From 0b5ccd88a52bb9f5715a29e99dfcb1bef6425278 Mon Sep 17 00:00:00 2001 From: Andrej730 Date: Sat, 29 Oct 2022 16:31:54 +0600 Subject: [PATCH] Added descriptions for psets and qsets to ifc2x3, ifc4 schema Example of getting pset description: `get_property_set_doc("IFC4", "Pset_ZoneCommon")['description']` --- .../ifcopenshell/util/doc.py | 59 +- .../util/schema/ifc2x3_properties.json | 311 +++++++++++ .../util/schema/ifc4_properties.json | 512 ++++++++++++++++++ 3 files changed, 867 insertions(+), 15 deletions(-) diff --git a/src/ifcopenshell-python/ifcopenshell/util/doc.py b/src/ifcopenshell-python/ifcopenshell/util/doc.py index 3342720979..ddf0b1cbc1 100644 --- a/src/ifcopenshell-python/ifcopenshell/util/doc.py +++ b/src/ifcopenshell-python/ifcopenshell/util/doc.py @@ -117,7 +117,6 @@ class DocExtractor: # probably due domains on the website being from 4_0 # example (property set / github domain / website domain): # Pset_AirTerminalBoxPHistory IfcControlExtension IfcHvacDomain - self.extract_ifc2x3_property_sets_site_domains() self.extract_ifc2x3_entities() self.extract_ifc2x3_property_sets() @@ -193,7 +192,7 @@ class DocExtractor: if attr_name == "PredefinedType": # get references to all predefined types defined_type = html_attr["definedtype"] - enum_path = xml_path.parents[2] / "Types" / defined_type / 'DocEnumeration.xml' + enum_path = xml_path.parents[2] / "Types" / defined_type / "DocEnumeration.xml" with open(enum_path, "r", encoding="utf-8") as fi: enum_bs_tree = BeautifulSoup(fi.read(), features="lxml") hrefs = [i["href"] for i in enum_bs_tree.find_all("docconstant")] @@ -268,9 +267,27 @@ class DocExtractor: for property_set_path in glob.iglob(f"{parse_folder_path}/**/"): property_set_path = Path(property_set_path) property_set_name = property_set_path.stem + property_set_dict = dict() property_references = list() xml_path = property_set_path / "DocPropertySet.xml" + md_path = property_set_path / "Documentation.md" + + if md_path.is_file(): + with open(md_path, "r", encoding="utf-8-sig") as fi: + # convert markdown to html for easier parsing + html = markdown(fi.read()) + property_set_description = BeautifulSoup(html, features="lxml").find("p").text + property_set_description = property_set_description.replace("\n", " ") + property_set_description = property_set_description.split("HISTORY:", 1)[0] + property_set_description = property_set_description.strip() + property_set_dict["description"] = property_set_description + else: + print( + f"WARNING. Property set {property_set_name} has no Documentation.md, " + f"property set will be left without description." + ) + with open(xml_path, "r", encoding="utf-8") as fi: bs_tree = BeautifulSoup(fi.read(), features="lxml") for html_attr in bs_tree.find_all("docproperty"): @@ -282,7 +299,8 @@ class DocExtractor: "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML" f"/psd/{property_set_domain}/{property_set_name}.xml" ) - property_sets_spec_urls[property_set_name] = spec_url + property_set_dict["spec_url"] = spec_url + property_sets_dict[property_set_name] = property_set_dict # setup references look up tables to convert property hrefs to actual data paths references_paths_lookup = self.setup_ifc2x3_reference_lookup() @@ -345,10 +363,7 @@ class DocExtractor: for property_reference in property_sets_references[property_set_name]: property_name, property_dict = get_property_info_by_href(property_reference) properties_dict[property_name] = property_dict - property_sets_dict[property_set_name] = { - "properties": properties_dict, - "spec_url": property_sets_spec_urls[property_set_name], - } + property_sets_dict[property_set_name]["properties"] = properties_dict # export property sets data with open(BASE_MODULE_PATH / "schema/ifc2x3_properties.json", "w", encoding="utf-8") as fo: @@ -464,7 +479,7 @@ class DocExtractor: if attr_name == "PredefinedType": # get references to all predefined types defined_type = html_attr["definedtype"] - enum_path = xml_path.parents[2] / "Types" / defined_type / 'DocEnumeration.xml' + enum_path = xml_path.parents[2] / "Types" / defined_type / "DocEnumeration.xml" with open(enum_path, "r", encoding="utf-8") as fi: enum_bs_tree = BeautifulSoup(fi.read(), features="lxml") hrefs = [i["href"] for i in enum_bs_tree.find_all("docconstant")] @@ -520,7 +535,6 @@ class DocExtractor: # function parses both property and quantity sets property_sets_dict = dict() property_sets_references = dict() - property_sets_spec_urls = dict() # extract lists of properties and theirs references for each property set parsed_paths = [ @@ -539,10 +553,27 @@ class DocExtractor: for property_set_path in glob.iglob(f"{parse_folder_path}/**/"): property_set_path = Path(property_set_path) property_set_name = property_set_path.stem + property_set_dict = dict() property_references = list() property_quantity = property_set_path.parents[0].name == "QuantitySets" xml_path = property_set_path / ("DocQuantitySet.xml" if property_quantity else "DocPropertySet.xml") + md_path = property_set_path / "Documentation.md" + + if md_path.is_file(): + with open(md_path, "r", encoding="utf-8-sig") as fi: + # convert markdown to html for easier parsing + html = markdown(fi.read()) + property_set_description = BeautifulSoup(html, features="lxml").find("p").text + property_set_description = property_set_description.replace("\n", " ") + property_set_description = property_set_description.split("HISTORY:", 1)[0] + property_set_description = property_set_description.strip() + property_set_dict["description"] = property_set_description + else: + print( + f"WARNING. Property set {property_set_name} has no Documentation.md, " + f"property set will be left without description." + ) with open(xml_path, "r", encoding="utf-8") as fi: bs_tree = BeautifulSoup(fi.read(), features="lxml") @@ -561,10 +592,11 @@ class DocExtractor: spec_url = ( "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML" f"/schema/{property_set_domain}" - f'/{"qset" if property_quantity else "pset"}' + f"/{'qset' if property_quantity else 'pset'}" f"/{property_set_name.lower()}.htm" ) - property_sets_spec_urls[property_set_name] = spec_url + property_set_dict["spec_url"] = spec_url + property_sets_dict[property_set_name] = property_set_dict # setup references look up tables to convert property hrefs to actual data paths references_paths_lookup = self.setup_ifc4_reference_lookup() @@ -629,10 +661,7 @@ class DocExtractor: for property_reference in property_sets_references[property_set_name]: property_name, property_dict = get_property_info_by_href(property_reference) properties_dict[property_name] = property_dict - property_sets_dict[property_set_name] = {"properties": properties_dict} - if property_set_name in property_sets_spec_urls: - spec_url = property_sets_spec_urls[property_set_name] - property_sets_dict[property_set_name]["spec_url"] = spec_url + property_sets_dict[property_set_name]["properties"] = properties_dict # export property sets data with open(BASE_MODULE_PATH / "schema/ifc4_properties.json", "w", encoding="utf-8") as fo: diff --git a/src/ifcopenshell-python/ifcopenshell/util/schema/ifc2x3_properties.json b/src/ifcopenshell-python/ifcopenshell/util/schema/ifc2x3_properties.json index f7abfe34de..5e9e10fb1a 100644 --- a/src/ifcopenshell-python/ifcopenshell/util/schema/ifc2x3_properties.json +++ b/src/ifcopenshell-python/ifcopenshell/util/schema/ifc2x3_properties.json @@ -1,5 +1,6 @@ { "Pset_ActionRequest": { + "description": "An action request is a request for an action to fulfill a need.", "properties": { "RequestComments": { "description": "Comments that may be made on the request." @@ -23,6 +24,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcFacilitiesMgmtDomain/Pset_ActionRequest.xml" }, "Pset_ActorCommon": { + "description": "A property set that enables further classification of actors, including the ability to give a number of actors to be designated as a population, the number being specified as a property to be dealt with as a single value rather than having to aggregate a number of instances of IfcActor.", "properties": { "Category": { "description": "Designation of the category into which the actors in the population belong." @@ -37,6 +39,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcKernel/Pset_ActorCommon.xml" }, "Pset_ActuatorTypeCommon": { + "description": "Actuator type common attributes.", "properties": { "FailPosition": { "description": "Specifies the required fail-safe position of the actuator." @@ -48,6 +51,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_ActuatorTypeCommon.xml" }, "Pset_ActuatorTypeElectricActuator": { + "description": "A device that electrically actuates a control element.", "properties": { "ActuatorInputPower": { "description": "Maximum input power requirement" @@ -59,6 +63,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_ActuatorTypeElectricActuator.xml" }, "Pset_ActuatorTypeHydraulicActuator": { + "description": "A device that hydraulically actuates a control element.", "properties": { "InputFlowrate": { "description": "Maximum hydraulic flowrate requirement." @@ -70,6 +75,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_ActuatorTypeHydraulicActuator.xml" }, "Pset_ActuatorTypeLinearActuation": { + "description": "Characteristics of linear actuation of an actuator History: Replaces Pset_LinearActuator", "properties": { "Force": { "description": "Indicates the maximum close-off force for the actuator." @@ -81,6 +87,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_ActuatorTypeLinearActuation.xml" }, "Pset_ActuatorTypePneumaticActuator": { + "description": "A device that pneumatically actuates a control element", "properties": { "InputFlowrate": { "description": "Maximum input control air flowrate requirement" @@ -92,6 +99,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_ActuatorTypePneumaticActuator.xml" }, "Pset_ActuatorTypeRotationalActuation": { + "description": "Characteristics of rotational actuation of an actuator History: Replaces Pset_RotationalActuator", "properties": { "RangeAngle": { "description": "Indicates the maximum rotation the actuator must traverse." @@ -103,6 +111,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_ActuatorTypeRotationalActuation.xml" }, "Pset_AirSideSystemInformation": { + "description": "Attributes that apply to an air side HVAC system.", "properties": { "AirSideSystemDistributionType": { "description": "This enumeration defines the basic types of air side systems (e.g., SingleDuct, DualDuct, Multizone, etc.)" @@ -162,6 +171,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_AirSideSystemInformation.xml" }, "Pset_AirTerminalBoxPHistory": { + "description": "Air terminal box performance history attributes.", "properties": { "AirflowCurve": { "description": "Air flowrate versus damper position relationship;airflow = f ( valve position)." @@ -179,6 +189,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_AirTerminalBoxPHistory.xml" }, "Pset_AirTerminalBoxTypeCommon": { + "description": "Air terminal box type common attributes.", "properties": { "AirPressureRange": { "description": "Allowable air static pressure range at the entrance of the air terminal box." @@ -229,6 +240,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_AirTerminalBoxTypeCommon.xml" }, "Pset_AirTerminalPHistory": { + "description": "Air terminal performance history common attributes.", "properties": { "AirFlowRate": { "description": "Volumetric flow rate." @@ -255,6 +267,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_AirTerminalPHistory.xml" }, "Pset_AirTerminalTypeCommon": { + "description": "Air terminal type common attributes. SoundLevel attribute deleted in IFC2x2 Pset Addendum: Use IfcSoundProperties instead.", "properties": { "AirDiffusionPerformanceIndex": { "description": "The Air Diffusion Performance Index (ADPI) is used for cooling mode conditions. If several measurements of air velocity and air temperature are made throughout the occupied zone of a space, the ADPI is the percentage of locations where measurements were taken that meet the specifications for effective draft temperature and air velocity." @@ -326,6 +339,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_AirTerminalTypeCommon.xml" }, "Pset_AirTerminalTypeRectangular": { + "description": "Rectangular air terminal type attributes.", "properties": { "FaceType": { "description": "Identifies how the terminal face of an AirTerminal is constructed." @@ -334,6 +348,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_AirTerminalTypeRectangular.xml" }, "Pset_AirTerminalTypeRound": { + "description": "Round air terminal type attributes.", "properties": { "FaceType": { "description": "Identifies how the terminal face of an AirTerminal is constructed." @@ -342,6 +357,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_AirTerminalTypeRound.xml" }, "Pset_AirTerminalTypeSlot": { + "description": "Slot air terminal type attributes.", "properties": { "NumberOfSlots": { "description": "Number of slots." @@ -356,6 +372,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_AirTerminalTypeSlot.xml" }, "Pset_AirTerminalTypeSquare": { + "description": "Square air terminal type attributes.", "properties": { "FaceType": { "description": "Identifies how the terminal face of an AirTerminal is constructed." @@ -364,6 +381,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_AirTerminalTypeSquare.xml" }, "Pset_AirToAirHeatRecoveryPHist": { + "description": "Air to Air Heat Recovery performance history common attributes.", "properties": { "AirPressureDropCurves": { "description": "Air pressure drop as function of air flow rate" @@ -402,6 +420,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_AirToAirHeatRecoveryPHist.xml" }, "Pset_AirToAirHeatRecoveryTypeCommon": { + "description": "Air to Air Heat Recovery type common attributes.", "properties": { "HasDefrost": { "description": "has the heat exchanger has defrost function or not" @@ -426,6 +445,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_AirToAirHeatRecoveryTypeCommon.xml" }, "Pset_AnalogInput": { + "description": "Defines the characteristics of an analog input.", "properties": { "Deadband": { "description": "The deadband value for the analog input." @@ -452,6 +472,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_AnalogInput.xml" }, "Pset_AnalogOutput": { + "description": "Defines the characteristics of an analog output.", "properties": { "Deadband": { "description": "The deadband value for the analog output." @@ -478,6 +499,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_AnalogOutput.xml" }, "Pset_Asset": { + "description": "An asset is a uniquely identifiable element which has a financial value and against which maintenance actions are recorded.", "properties": { "AssetAccountingType": { "description": "Identifies the predefined types of risk from which the type required may be set." @@ -492,6 +514,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedFacilitiesElements/Pset_Asset.xml" }, "Pset_BeamCommon": { + "description": "Properties common to the definition of all occurrences of IfcBeam.", "properties": { "FireRating": { "description": "Fire rating for this object. It is given according to the national fire safety classification." @@ -515,6 +538,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgElements/Pset_BeamCommon.xml" }, "Pset_BinaryInput": { + "description": "Defines the characteristics of a binary input.", "properties": { "AckedTransitions": { "description": "Enumeration that defines the type of transition acknowledgement" @@ -544,6 +568,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_BinaryInput.xml" }, "Pset_BinaryOutput": { + "description": "Defines the characteristics of a binary output.", "properties": { "AckedTransitions": { "description": "Enumeration that defines the type of transition acknowledgement" @@ -567,6 +592,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_BinaryOutput.xml" }, "Pset_BoilerPHistory": { + "description": "Boiler performance history common attributes. WaterQuality attribute deleted in IFC2x2 Pset Addendum: Use IfcWaterProperties instead. CombustionProductsMaximulLoad and CombustionProductsPartialLoad attributes deleted in IFC2x2 Pset Addendum: Use IfcProductsOfCombustionProperties instead.", "properties": { "AuxiliaryEnergyConsumption": { "description": "Boiler secondary energy source consumption (i.e., the electricity consumed by electrical devices such as fans and pumps)." @@ -599,6 +625,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_BoilerPHistory.xml" }, "Pset_BoilerTypeCommon": { + "description": "Boiler type common attributes. SoundLevel attribute deleted in IFC2x2 Pset Addendum: Use IfcSoundProperties instead. PrimaryEnergySource and AuxiliaryEnergySource attributes deleted in IFC2x2 Pset Addendum: Use IfcEnergyProperties, IfcFuelProperties, etc. instead.", "properties": { "HeatOutput": { "description": "Total nominal heat output as listed by the Boiler manufacturer. For water boilers, it is a function of inlet versus outlet temperature. For steam boilers, it is a function of inlet temperature versus steam pressure." @@ -646,6 +673,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_BoilerTypeCommon.xml" }, "Pset_BoilerTypeSteam": { + "description": "Steam boiler type common attributes.", "properties": { "MaximumOutletPressure": { "description": "Maximum steam outlet pressure." @@ -654,6 +682,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_BoilerTypeSteam.xml" }, "Pset_BuildingCommon": { + "description": "Properties common to the definition of all instances of IfcBuilding. Please note that several building attributes are handled directly at the IfcBuilding instance, the building number (or short name) by IfcBuilding.Name, the building name (or long name) by IfcBuilding.LongName, and the description (or comments) by IfcBuilding.Description. Actual building quantities, like building perimeter, building area and building volume are provided by IfcElementQuantities, and the building classification according to national building code by IfcClassificationReference.", "properties": { "AncillaryFireUse": { "description": "Ancillary fire use for the building which is assigned from the fire use classification table as given by the relevant national building code." @@ -692,6 +721,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcProductExtension/Pset_BuildingCommon.xml" }, "Pset_BuildingElementProxyCommon": { + "description": "Properties common to the definition of all instances of IfcBuildingElementProxy.", "properties": { "Reference": { "description": "Reference ID for this specified type in this project (e.g. type 'A-1')" @@ -700,6 +730,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcProductExtension/Pset_BuildingElementProxyCommon.xml" }, "Pset_BuildingStoreyCommon": { + "description": "Properties common to the definition of all instances of IfcBuildingStorey. Please note that several building attributes are handled directly at the IfcBuildingStorey instance, the building storey number (or short name) by IfcBuildingStorey.Name, the building storey name (or long name) by IfcBuildingStorey.LongName, and the description (or comments) by IfcBuildingStorey.Description. Actual building storey quantities, like building storey perimeter, building storey area and building storey volume are provided by IfcElementQuantities, and the building storey classification according to national building code by IfcClassificationReference.", "properties": { "AboveGround": { "description": "Indication whether this building storey is fully above ground (TRUE), or below ground (FALSE), or partially above and below ground (UNKNOWN) - as in sloped terrain." @@ -723,6 +754,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcProductExtension/Pset_BuildingStoreyCommon.xml" }, "Pset_BuildingUse": { + "description": "Provides information on on the real estate context of the building of interest both current and anticipated.", "properties": { "MarketCategory": { "description": "Category of use e.g. residential, commercial, recreation etc." @@ -764,6 +796,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcProductExtension/Pset_BuildingUse.xml" }, "Pset_BuildingUseAdjacent": { + "description": "Provides information on adjacent buildings and their uses to enable their impact on the building of interest to be determined. Note that for each instance of the property set used, where there is an existence of risk, there will be an instance of the property set Pset_Risk (q.v)", "properties": { "MarketCategory": { "description": "Category of use e.g. residential, commercial, recreation etc." @@ -781,6 +814,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcProductExtension/Pset_BuildingUseAdjacent.xml" }, "Pset_BuildingWaterStorage": { + "description": "The basic set of properties that are used for determining the water requirements for a building. Typically, this property set is expected to be used in conjunction with IfcBuilding.", "properties": { "OneDayCoolingTowerMakeupWater": { "description": "The volume of water that needs to be stored to supply make up water to the cooling towers in a building for one day in the event of water supply failure." @@ -801,6 +835,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcProductExtension/Pset_BuildingWaterStorage.xml" }, "Pset_CableCarrierSegmentTypeCableLadderSegment": { + "description": "An open carrier segment on which cables are carried on a ladder structure.", "properties": { "LadderConfiguration": { "description": "Description of the configuration of the ladder structure used." @@ -818,6 +853,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_CableCarrierSegmentTypeCableLadderSegment.xml" }, "Pset_CableCarrierSegmentTypeCableTraySegment": { + "description": "An (typically) open carrier segment onto which cables are laid.", "properties": { "HasCover": { "description": "Indication of whether the cable tray has a cover (=TRUE) or not (= FALSE). By default, this value should be set to FALSE." @@ -835,6 +871,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_CableCarrierSegmentTypeCableTraySegment.xml" }, "Pset_CableCarrierSegmentTypeCableTrunkingSegment": { + "description": "An enclosed carrier segment with one or more compartments into which cables are placed.", "properties": { "NominalHeight": { "description": "The nominal height of the segment" @@ -852,6 +889,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_CableCarrierSegmentTypeCableTrunkingSegment.xml" }, "Pset_CableCarrierSegmentTypeConduitSegment": { + "description": "An enclosed tubular carrier segment through which cables are pulled.", "properties": { "ConduitShapeType": { "description": "The shape of the conduit segment" @@ -872,6 +910,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_CableCarrierSegmentTypeConduitSegment.xml" }, "Pset_CableSegmentTypeCableSegment": { + "description": "Electrical cable with a specific purpose to lead electric current within a circuit or any other electric construction. Includes all types of electric cables, mainly several electrical segments wrapped together, e.g. cable, tube, busbar. Note that the number of conductors within a cable is determined by an aggregation mechanism that aggregates the conductors within the cable.", "properties": { "CableInsulationMaterial": { "description": "The material from which the insulation is constructed. Such as PVC, PEX, EPR,..." @@ -901,6 +940,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_CableSegmentTypeCableSegment.xml" }, "Pset_CableSegmentTypeConductorSegment": { + "description": "An electrical conductor is a single linear element with the specific purpose to lead electric current. The core of one lead is normally single wired or multiwired which are intertwined.", "properties": { "ConductorMaterial": { "description": "Type of material from which the conductor is constructed. Such as Aluminium or Copper" @@ -933,6 +973,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_CableSegmentTypeConductorSegment.xml" }, "Pset_ChillerPHistory": { + "description": "Chiller performance history attributes.", "properties": { "Capacity": { "description": "The product of the ideal capacity and the overall volumetric efficiency of the compressor." @@ -956,6 +997,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_ChillerPHistory.xml" }, "Pset_ChillerTypeCommon": { + "description": "Chiller type common attributes.", "properties": { "NominalCapacity": { "description": "Nominal cooling capacity of chiller at standardized conditions per ARI Standards 550-92, Centrifugal and Rotary Screw Water-Chilling Packages, and ARI Standards 590-92, Positive Displacement Compressor." @@ -979,6 +1021,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_ChillerTypeCommon.xml" }, "Pset_CoilPHistory": { + "description": "Coil performance history common attributes. Sound attribute deleted in IFC2x2 Pset Addendum: Use IfcSoundProperties instead.", "properties": { "AirPressureDropCurve": { "description": "Air pressure drop curve, pressure drop \u2013 flow rate curve, AirPressureDrop = f (AirflowRate)." @@ -996,6 +1039,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_CoilPHistory.xml" }, "Pset_CoilTypeCommon": { + "description": "Coil type common attributes.", "properties": { "AirflowRateRange": { "description": "Possible range of airflow that can be delivered." @@ -1016,6 +1060,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_CoilTypeCommon.xml" }, "Pset_CoilTypeHydronic": { + "description": "Hydronic coil type attributes.", "properties": { "BypassFactor": { "description": "Fraction of air that is bypassed by the coil (0-1)." @@ -1063,6 +1108,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_CoilTypeHydronic.xml" }, "Pset_ColumnCommon": { + "description": "Properties common to the definition of all occurrences of IfcColumn.", "properties": { "FireRating": { "description": "Fire rating for this object. It is given according to the national fire safety classification." @@ -1083,6 +1129,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgElements/Pset_ColumnCommon.xml" }, "Pset_CompressorPHistory": { + "description": "Compressor performance history attributes.", "properties": { "CoefficientOfPerformance": { "description": "Coefficient of performance (COP)." @@ -1130,6 +1177,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_CompressorPHistory.xml" }, "Pset_CompressorTypeCommon": { + "description": "Compressor type common attributes.", "properties": { "CompressorSpeed": { "description": "Compressor speed" @@ -1165,6 +1213,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_CompressorTypeCommon.xml" }, "Pset_CondenserPHistory": { + "description": "Condenser performance history attributes.", "properties": { "CompressorCondenserHeatGain": { "description": "Heat gain between condenser inlet to compressor outlet." @@ -1203,6 +1252,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_CondenserPHistory.xml" }, "Pset_CondenserTypeCommon": { + "description": "Condenser type common attributes.", "properties": { "ExternalSurfaceArea": { "description": "External surface area (both primary and secondary area)." @@ -1232,6 +1282,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_CondenserTypeCommon.xml" }, "Pset_ControllerTypeCommon": { + "description": "Properties for signal handling for an analog controller taking disparate valued multiple inputs and creating a single valued output.", "properties": { "ControlType": { "description": "The type of signal modification effected" @@ -1249,6 +1300,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_ControllerTypeCommon.xml" }, "Pset_ControllerTypeProportional": { + "description": "Properties for signal handling for an proportional controller taking a single input and creating a single valued output", "properties": { "ControlType": { "description": "The type of signal modification effected" @@ -1269,6 +1321,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_ControllerTypeProportional.xml" }, "Pset_ControllerTypeTwoPosition": { + "description": "Properties for signal handling for an analog controller taking disparate valued multiple inputs and creating a single valued binary output.", "properties": { "BandWidth": { "description": "Dead band for controller" @@ -1280,6 +1333,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_ControllerTypeTwoPosition.xml" }, "Pset_CooledBeamPHistory": { + "description": "Common performance history attributes for a cooled beam.", "properties": { "BeamCoolingCapacity": { "description": "Cooling capacity of beam. This excludes cooling capacity of supply air" @@ -1324,6 +1378,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_CooledBeamPHistory.xml" }, "Pset_CooledBeamPHistoryActive": { + "description": "Performance history attributes for an active cooled beam.", "properties": { "AirFlowRate": { "description": "Air flow rate" @@ -1338,6 +1393,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_CooledBeamPHistoryActive.xml" }, "Pset_CooledBeamTypeActive": { + "description": "Active (ventilated) cooled beam common attributes.", "properties": { "AirFlowConfiguration": { "description": "Air flow configuration type of cooled beam" @@ -1355,6 +1411,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_CooledBeamTypeActive.xml" }, "Pset_CooledBeamTypeCommon": { + "description": "Cooled beam common attributes. SoundLevel and SoundAttenuation attributes deleted in IFC2x2 Pset Addendum: Use IfcSoundProperties instead.", "properties": { "CoilLength": { "description": "Length of coil" @@ -1426,6 +1483,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_CooledBeamTypeCommon.xml" }, "Pset_CoolingTowerPHistory": { + "description": "Cooling tower performance history attributes.", "properties": { "Capacity": { "description": "Cooling tower capacity in terms of heat transfer rate of the cooling tower between air stream and water stream." @@ -1446,6 +1504,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_CoolingTowerPHistory.xml" }, "Pset_CoolingTowerTypeCommon": { + "description": "Cooling tower type common attributes. WaterRequirement attribute unit type modified in IFC2x2 Pset Addendum.", "properties": { "AmbientDesignDryBulbTemperature": { "description": "Ambient design dry bulb temperature used for selecting the cooling tower." @@ -1499,6 +1558,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_CoolingTowerTypeCommon.xml" }, "Pset_CoveringCeiling": { + "description": "Properties common to the definition of all occurrences of IfcCovering with the PredefinedType set to CEILING.", "properties": { "FragilityRating": { "description": "The level of fragility of the ceiling. It is giving according to the national building code." @@ -1516,6 +1576,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcProductExtension/Pset_CoveringCeiling.xml" }, "Pset_CoveringCommon": { + "description": "Properties common to the definition of all occurrences of IfcCovering.", "properties": { "AcousticRating": { "description": "Acoustic rating for this object. It is giving according to the national building code. It indicates the sound transmission resistance of this object by an index ration (instead of providing full sound absorbtion values)." @@ -1551,6 +1612,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcProductExtension/Pset_CoveringCommon.xml" }, "Pset_CoveringFlooring": { + "description": "Properties common to the definition of all occurrences of IfcCovering with the PredefinedType set to FLOORING.", "properties": { "HasAntiStaticSurface": { "description": "Indication whether the surface finish is designed to prevent electrostatic charge (TRUE) or not (FALSE)." @@ -1562,6 +1624,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcProductExtension/Pset_CoveringFlooring.xml" }, "Pset_CurtainWallCommon": { + "description": "Properties common to the definition of all occurrences of IfcCurtainWall.", "properties": { "AcousticRating": { "description": "Acoustic rating for this object. It is giving according to the national building code. It indicates the sound transmission resistance of this object by an index ration (instead of providing full sound absorbtion values)." @@ -1588,6 +1651,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgElements/Pset_CurtainWallCommon.xml" }, "Pset_DamperPHistory": { + "description": "Damper performance history attributes.", "properties": { "AirFlowRate": { "description": "Air flow rate." @@ -1611,6 +1675,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_DamperPHistory.xml" }, "Pset_DamperTypeCommon": { + "description": "Damper type common attributes.", "properties": { "BladeAction": { "description": "Blade action." @@ -1694,6 +1759,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_DamperTypeCommon.xml" }, "Pset_DamperTypeControlDamper": { + "description": "Control damper type attributes. Pset renamed from Pset_DamperTypeControl to Pset_DamperTypeControlDamper in IFC2x2 Pset Addendum.", "properties": { "ControlDamperOperation": { "description": "The inherent characteristic of the control damper operation." @@ -1705,6 +1771,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_DamperTypeControlDamper.xml" }, "Pset_DamperTypeFireDamper": { + "description": "Fire damper type attributes. Pset renamed from Pset_DamperTypeFire to Pset_DamperTypeFireDamper in IFC2x2 Pset Addendum.", "properties": { "ActuationType": { "description": "Enumeration that identifies the different types of dampers" @@ -1722,6 +1789,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_DamperTypeFireDamper.xml" }, "Pset_DamperTypeFireSmokeDamper": { + "description": "Combination Fire and Smoke damper type attributes. New Pset in IFC2x2 Pset Addendum.", "properties": { "ControlType": { "description": "The type of control used to operate the damper (e.g., Open/Closed Indicator, Resetable Temperature Sensor, Temperature Override, etc.)" @@ -1730,6 +1798,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_DamperTypeFireSmokeDamper.xml" }, "Pset_DamperTypeSmokeDamper": { + "description": "Smoke damper type attributes. Pset renamed from Pset_DamperTypeSmoke to Pset_DamperTypeSmokeDamper in IFC2x2 Pset Addendum.", "properties": { "ControlType": { "description": "The type of control used to operate the damper (e.g., Open/Closed Indicator, Resetable Temperature Sensor, Temperature Override, etc.)" @@ -1738,6 +1807,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_DamperTypeSmokeDamper.xml" }, "Pset_DesignPoint": { + "description": "A point of connection taken as a reference for hydraulic calculations in sprinkler systems. The point is assigned to an instance of IfcDistributionPort and located according to circumstances as set out by local building codes. For instance, it may be either the last elbow, tee or branch downstream of which a sprinkler array is located (where ranges are directly connected to the distribution pipe without risers or drops) or the point of connection of the riser or drop nearest the installation valves in the sprinkler array (where ranges are connected to the distribution pipe with risers or drops). Other circumstances may be referenced in local codes and the assignment of the design point must be established by a user.", "properties": { "IsDesignPoint": { "description": "Indicates whether an instance of IfcDistributionPort is to act as the design point for sprinkler hydraulic calculation (set TRUE) or not (either set FALSE or assumed to be FALSE where an instance of the property set is not assigned to an instance of IfcDistributionPort)." @@ -1746,6 +1816,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_DesignPoint.xml" }, "Pset_DiscreteAccessoryAnchorBolt": { + "description": "Properties common to different types of anchor bolts.", "properties": { "AnchorBoltDiameter": { "description": "The nominal diameter of the anchor bolt bar(s)." @@ -1763,6 +1834,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedComponentElements/Pset_DiscreteAccessoryAnchorBolt.xml" }, "Pset_DiscreteAccessoryColumnShoe": { + "description": "Shape properties common to column shoes.", "properties": { "ColumnShoeBasePlateDepth": { "description": "The depth of the column shoe base plate." @@ -1786,6 +1858,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedComponentElements/Pset_DiscreteAccessoryColumnShoe.xml" }, "Pset_DiscreteAccessoryCornerFixingPlate": { + "description": "Properties specific to corner fixing plates.", "properties": { "CornerFixingPlateFlangeWidthInPlaneX": { "description": "The flange width of the L-shaped corner plate in plane X." @@ -1803,6 +1876,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedComponentElements/Pset_DiscreteAccessoryCornerFixingPlate.xml" }, "Pset_DiscreteAccessoryDiagonalTrussConnector": { + "description": "Shape properties specific to connecting accessories in truss form with diagonal cross-bars.", "properties": { "DiagonalTrussBaseBarDiameter": { "description": "The nominal diameter of the base bar." @@ -1826,6 +1900,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedComponentElements/Pset_DiscreteAccessoryDiagonalTrussConnector.xml" }, "Pset_DiscreteAccessoryEdgeFixingPlate": { + "description": "Properties specific to edge fixing plates.", "properties": { "EdgeFixingPlateFlangeWidthInPlaneX": { "description": "The flange width of the L-shaped edge plate in plane X." @@ -1843,6 +1918,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedComponentElements/Pset_DiscreteAccessoryEdgeFixingPlate.xml" }, "Pset_DiscreteAccessoryFixingSocket": { + "description": "Properties common to fixing sockets.", "properties": { "FixingSocketHeight": { "description": "The overall height of the fixing socket." @@ -1860,6 +1936,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedComponentElements/Pset_DiscreteAccessoryFixingSocket.xml" }, "Pset_DiscreteAccessoryLadderTrussConnector": { + "description": "Shape properties specific to connecting accessories in truss form with straight cross-bars in ladder shape.", "properties": { "LadderTrussBaseBarDiameter": { "description": "The nominal diameter of the base bar." @@ -1883,6 +1960,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedComponentElements/Pset_DiscreteAccessoryLadderTrussConnector.xml" }, "Pset_DiscreteAccessoryStandardFixingPlate": { + "description": "Properties specific to standard fixing plates.", "properties": { "StandardFixingPlateDepth": { "description": "The depth of the standard fixing plate." @@ -1897,6 +1975,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedComponentElements/Pset_DiscreteAccessoryStandardFixingPlate.xml" }, "Pset_DiscreteAccessoryWireLoop": { + "description": "Shape properties common to wire loop joint connectors.", "properties": { "WireDiameter": { "description": "The nominal diameter of the wire." @@ -1920,6 +1999,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedComponentElements/Pset_DiscreteAccessoryWireLoop.xml" }, "Pset_DistributionChamberElementTypeFormedDuct": { + "description": "Definition from BS6100 100 3410: Space formed in the ground for the passage of pipes, cables, ducts.", "properties": { "AccessCoverLoadRating": { "description": "The load rating of the access cover (which may be a value or an alphanumerically defined class rating)" @@ -1952,6 +2032,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_DistributionChamberElementTypeFormedDuct.xml" }, "Pset_DistributionChamberElementTypeInspectionChamber": { + "description": "Chamber constructed on a drain, sewer or pipeline and with a removable cover, that permits visible inspection.", "properties": { "AccessCoverLoadRating": { "description": "The load rating of the access cover (which may be a value or an alphanumerically defined class rating)" @@ -1996,6 +2077,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_DistributionChamberElementTypeInspectionChamber.xml" }, "Pset_DistributionChamberElementTypeInspectionPit": { + "description": "Recess or chamber formed to permit access for inspection of substructure and services (definition modified from BS6100 221 4128).", "properties": { "Depth": { "description": "The depth of the pit." @@ -2010,6 +2092,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_DistributionChamberElementTypeInspectionPit.xml" }, "Pset_DistributionChamberElementTypeManhole": { + "description": "Chamber constructed on a drain, sewer or pipeline and with a removable cover, that permits the entry of a person.", "properties": { "AccessCoverLoadRating": { "description": "The load rating of the access cover (which may be a value or an alphanumerically defined class rating)" @@ -2054,6 +2137,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_DistributionChamberElementTypeManhole.xml" }, "Pset_DistributionChamberElementTypeMeterChamber": { + "description": "Chamber that houses a meter(s) (definition modified from BS6100 250 6224).", "properties": { "AccessCoverMaterial": { "description": "The material from which the access cover to the chamber is constructed. NOTE: It is assumed that chamber walls will be constructed of a single material." @@ -2080,6 +2164,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_DistributionChamberElementTypeMeterChamber.xml" }, "Pset_DistributionChamberElementTypeSump": { + "description": "Definition from BS6100 100 3431: Recess or small chamber into which liquid is drained to facilitate its removal.", "properties": { "InvertLevel": { "description": "The lowest point in the cross section of the sump." @@ -2094,6 +2179,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_DistributionChamberElementTypeSump.xml" }, "Pset_DistributionChamberElementTypeTrench": { + "description": "Definition from BS6100 221 4118: Excavation, the length of which greatly exceeds the width.", "properties": { "Depth": { "description": "The depth of the trench." @@ -2108,6 +2194,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_DistributionChamberElementTypeTrench.xml" }, "Pset_DistributionChamberElementTypeValveChamber": { + "description": "Definition from BS6100 250 6224: Chamber that houses a valve(s).", "properties": { "AccessCoverMaterial": { "description": "The material from which the access cover to the chamber is constructed. NOTE: It is assumed that chamber walls will be constructed of a single material." @@ -2134,6 +2221,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_DistributionChamberElementTypeValveChamber.xml" }, "Pset_DistributionFlowElementCommon": { + "description": "Common properties of all occurrences of IfcDistributionFlowElement and their subtypes.", "properties": { "Reference": { "description": "Reference ID for this specific instance (e.g. 'WWS/VS1/400/001', which indicates the occurrence belongs to system WWS, subsystems VSI/400, and has the component number 001)" @@ -2142,6 +2230,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_DistributionFlowElementCommon.xml" }, "Pset_DistributionPortDuct": { + "description": "Duct port occurrence attributes attached to an instance of IfcDistributionPort.", "properties": { "ConnectionType": { "description": "The end-style treatment of the duct port: BEADEDSLEEVE: Beaded Sleeve. COMPRESSION: Compression. CRIMP: Crimp. DRAWBAND: Drawband. DRIVESLIP: Drive slip. FLANGED: Flanged. OUTSIDESLEEVE: Outside Sleeve. SLIPON: Slipon. SOLDERED: Soldered. SSLIP: S-Slip. STANDINGSEAM: Standing seam. SWEDGE: Swedge. WELDED: Welded. OTHER: Another type of end-style has been applied. NONE: No end-style has been applied." @@ -2153,6 +2242,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_DistributionPortDuct.xml" }, "Pset_DistributionPortPipe": { + "description": "Pipe port occurrence attributes attached to an instance of IfcDistributionPort.", "properties": { "ConnectionType": { "description": "The end-style treatment of the pipe port: BRAZED: Brazed. COMPRESSION: Compression. FLANGED: Flanged. GROOVED: Grooved. OUTSIDESLEEVE: Outside Sleeve. SOLDERED: Soldered. SWEDGE: Swedge. THREADED: Threaded. WELDED: Welded. OTHER: Another type of end-style has been applied. NONE: No end-style has been applied. USERDEFINED: User-defined port connection type. NOTDEFINED: Undefined port connection type." @@ -2164,6 +2254,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_DistributionPortPipe.xml" }, "Pset_DoorCommon": { + "description": "Properties common to the definition of all occurrences of IfcDoor.", "properties": { "AcousticRating": { "description": "Acoustic rating for this object. It is giving according to the national building code. It indicates the sound transmission resistance of this object by an index ration (instead of providing full sound absorbtion values)." @@ -2205,6 +2296,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgElements/Pset_DoorCommon.xml" }, "Pset_DoorWindowGlazingType": { + "description": "Properties common to the definition of the glazing component of occurrences of IfcDoor and IfcWindow, used for thermal and lighting calculations.", "properties": { "BeamRadiationTransmittance": { "description": "Direct solar radiation transmittance that passes the glazing at normal incidence. It is a value without unit, often referred to as (Tsol)." @@ -2258,6 +2350,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgElements/Pset_DoorWindowGlazingType.xml" }, "Pset_DoorWindowShadingType": { + "description": "Properties common to the definition of the shading component of occurrences of IfcDoor and IfcWindow, used for static (simplified) shading calculations.", "properties": { "ExternalShadingCoefficient": { "description": "Radiation transmission coefficient of the outside shading device. It is a value without unit." @@ -2272,6 +2365,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgElements/Pset_DoorWindowShadingType.xml" }, "Pset_DrainageCatchment": { + "description": "Area of land that drains naturally to a given point (BS6100 modified). Used as a non type driven property set in conjunction with an appropriate instance of IfcSpatialStructureElement that is identified as a catchment using the inherited IfcRoot.Name attribute. Catchments may be nested using IfcRelNests so that subcatchment areas (as component parts of a catchment area) can be identified. A catchment area will be geometrically defined by a closed loop (closed polyline or polyloop) Note also that the boundary between catchment areas (watershed) is not currently identified.", "properties": { "AreaDrained": { "description": "The area measure enclosed within the catchment" @@ -2280,6 +2374,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_DrainageCatchment.xml" }, "Pset_DrainageCulvert": { + "description": "Covered channel or large pipe that forms a watercourse below ground level, usually under a road or railway (BS6100). Used as a non type driven property set in conjunction with an instance of IfcSystem that is classified as a culvert.", "properties": { "ClearDepth": { "description": "The clear depth of the culvert" @@ -2291,6 +2386,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_DrainageCulvert.xml" }, "Pset_DrainageOutfall": { + "description": "Structure through which water is discharged into a watercourse or body of water (BS6100). Used as a non type driven property set in conjunction with an instance of IfcProxy that is identified as an outfall using the inherited IfcRoot.Name attribute.", "properties": { "InvertLevel": { "description": "The lowest point of the outfall" @@ -2299,6 +2395,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_DrainageOutfall.xml" }, "Pset_DrainageReserve": { + "description": "Area exclusively reserved for the routing of drainage services. Used as a non type driven property set in conjunction with an appropriate instance of IfcSpatialStructureElement that is identified as a drainage reserve using the inherited IfcRoot.Name attribute.", "properties": { "Width": { "description": "The width of the drainage reserve" @@ -2307,6 +2404,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_DrainageReserve.xml" }, "Pset_Draughting": { + "description": "Property set to capture layer and colour as a quick win implementation within IFC2x platform to enable more efficient exchange of 3D building models. NOTE: With implementation of the IFC2x2 capabilities defined in the presentation resources (IfcPresentationLayerAssignment, IfcCurveStyle) the use of this property set may become obsolete.", "properties": { "Colour": { "children": { @@ -2329,6 +2427,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcProductExtension/Pset_Draughting.xml" }, "Pset_DuctConnection": { + "description": "This property set is used to define the various types of duct connections. It is applied to occurrences of duct segments and fittings.", "properties": { "ConnectionType": { "description": "The connection type between duct segments or fittings and other segments or fittings. If the list contains only one value, then this connection type value applies to all ports. For more than one value in the list, the connection type value applies to the port that corresponds to the list index.The following suggested items should be utilized whenever possible for correlation with port enumerations: ANGLE: Angle. BEADEDSLEEVE: Beaded Sleeve. BRAZED: Brazed. COMPRESSION: Compression. CRIMP: Crimp. DRAWBAND: Drawband. DRIVESLIP: Drive slip. FLANGED: Flanged. OUTSIDESLEEVE: Outside Sleeve. SLIPON: Slipon. SOLDERED: Soldered. SSLIP: S-Slip. STANDINGSEAM: Standing seam. SWEDGE: Swedge. WELDED: Welded. NONE: No connection type. NOTDEFINED: Undefined connection type." @@ -2337,6 +2436,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_DuctConnection.xml" }, "Pset_DuctDesignCriteria": { + "description": "This property set is used to define the general characteristics of the duct design parameters. This property set is typically attached to an instance of an IfcSystem, however, it may also be attached to individual elements within a duct distribution system where individual design parameters overrule those of the system.", "properties": { "AspectRatio": { "description": "The default aspect ratio" @@ -2375,6 +2475,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_DuctDesignCriteria.xml" }, "Pset_DuctFittingPHistory": { + "description": "Duct fitting performance history common attributes.", "properties": { "AirFlowLeakage": { "description": "Volumetric leakage flow rate." @@ -2389,6 +2490,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_DuctFittingPHistory.xml" }, "Pset_DuctFittingTypeCommon": { + "description": "Duct fitting type common attributes.", "properties": { "EndStyleTreatment": { "description": "The end-style treatment of the duct fitting manufactured. If the list contains only one value, then this end-style applies to all ports. For more than one value in the list, the end-style value applies to the port that corresponds to the list index.The following suggested items should be utilized whenever possible for correlation with port enumerations: ANGLE: Angle. BEADEDSLEEVE: Beaded Sleeve. BRAZED: Brazed. COMPRESSION: Compression. CRIMP: Crimp. DRAWBAND: Drawband. DRIVESLIP: Drive slip. FLANGED: Flanged. OUTSIDESLEEVE: Outside Sleeve. SLIPON: Slipon. SOLDERED: Soldered. SSLIP: S-Slip. STANDINGSEAM: Standing seam. SWEDGE: Swedge. WELDED: Welded. NONE: No end-style treatment has been applied. NOTDEFINED: Undefined end-style type." @@ -2424,6 +2526,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_DuctFittingTypeCommon.xml" }, "Pset_DuctSegmentPHistory": { + "description": "Duct segment performance history common attributes.", "properties": { "AtmosphericPressure": { "description": "Ambient atmospheric pressure." @@ -2441,6 +2544,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_DuctSegmentPHistory.xml" }, "Pset_DuctSegmentTypeCommon": { + "description": "Duct segment type common attributes.", "properties": { "EndStyleTreatment": { "description": "The end-style treatment of the duct segment manufactured. If the list contains only one value, then this end-style applies to all ports. For more than one value in the list, the end-style value applies to the port that corresponds to the list index.The following suggested items should be utilized whenever possible for correlation with port enumerations: ANGLE: Angle. BEADEDSLEEVE: Beaded Sleeve. BRAZED: Brazed. COMPRESSION: Compression. CRIMP: Crimp. DRAWBAND: Drawband. DRIVESLIP: Drive slip. FLANGED: Flanged. OUTSIDESLEEVE: Outside Sleeve. SLIPON: Slipon. SOLDERED: Soldered. SSLIP: S-Slip. STANDINGSEAM: Standing seam. SWEDGE: Swedge. WELDED: Welded. NONE: No end-style treatment has been applied. NOTDEFINED: Undefined end-style type." @@ -2488,6 +2592,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_DuctSegmentTypeCommon.xml" }, "Pset_DuctSilencerPHistory": { + "description": "Duct silencer performance history common attributes.", "properties": { "AirFlowRate": { "description": "Volumetric air flow rate." @@ -2499,6 +2604,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_DuctSilencerPHistory.xml" }, "Pset_DuctSilencerTypeCommon": { + "description": "Duct silencer type common attributes. InsertionLoss and RegeneratedSound attributes deleted in IFC2x2 Pset Addendum: Use IfcSoundProperties instead.", "properties": { "AirFlowrateRange": { "description": "Possible range of airflow that can be delivered." @@ -2528,6 +2634,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_DuctSilencerTypeCommon.xml" }, "Pset_ElectricDistributionPointCommon": { + "description": "A room or a place or a box where an electrical supply enters and is then further distributed via electrical circuits. A distribution point may be a main distribution point or a sub-main distribution point.", "properties": { "CaseMaterial": { "description": "Material from which the casing surrounding the distribution point is constructed." @@ -2548,6 +2655,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_ElectricDistributionPointCommon.xml" }, "Pset_ElectricGeneratorTypeCommon": { + "description": "Defines a particular type of engine that is a machine for converting mechanical energy into electrical energy.", "properties": { "ElectricGeneratorEfficiency": { "description": "The ratio of output capacity to intake capacity." @@ -2562,6 +2670,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_ElectricGeneratorTypeCommon.xml" }, "Pset_ElectricHeaterTypeElectricalCableHeater": { + "description": "An electrical device that outputs heat uniformly along its path.", "properties": { "HeatOutputPerUnitLength": { "description": "The amount of heat output per unit length of heat emitter." @@ -2570,6 +2679,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_ElectricHeaterTypeElectricalCableHeater.xml" }, "Pset_ElectricHeaterTypeElectricalMatHeater": { + "description": "An electrical device that outputs heat uniformly across its surface area.", "properties": { "HeatOutputPerUnitArea": { "description": "The amount of heat output per unit area of heat emitter." @@ -2578,6 +2688,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_ElectricHeaterTypeElectricalMatHeater.xml" }, "Pset_ElectricHeaterTypeElectricalPointHeater": { + "description": "An electrical device that outputs heat as a total quantity from a point or restricted area that can be considered as a point.", "properties": { "HeatOutput": { "description": "The total amount of heat output by the heat emitter." @@ -2586,6 +2697,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_ElectricHeaterTypeElectricalPointHeater.xml" }, "Pset_ElectricalCircuit": { + "description": "A circuit supplies electrical devices with voltage and current.", "properties": { "Diversity": { "description": "A factor that is a means of reducing the cable size on the basis that not all the connected load will be drawing current simultaneously." @@ -2603,6 +2715,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_ElectricalCircuit.xml" }, "Pset_ElectricalDeviceCommon": { + "description": "A means of collecting together all properties that are commonly used by electrical devices.", "properties": { "ElectricalDeviceNominalPower": { "description": "The output power rating that is certified for a device." @@ -2641,6 +2754,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_ElectricalDeviceCommon.xml" }, "Pset_ElementShading": { + "description": "Shading device properties associated with an element that represents a shading device, e.g. an IfcBuildingElementProxy or any other building element.", "properties": { "AverageSolarTransmittance": { "description": "Overall or average ratio of the solar flux transmitted through a body to that incident upon it." @@ -2673,6 +2787,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcProductExtension/Pset_ElementShading.xml" }, "Pset_EnergyConsumptionPHistoryElectricity": { + "description": "Measured electrical energy consumption properties.", "properties": { "ApparentPower": { "description": "Apparent power." @@ -2696,6 +2811,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_EnergyConsumptionPHistoryElectricity.xml" }, "Pset_EnergyConsumptionPHistoryFuel": { + "description": "Measured fuel energy consumption properties.", "properties": { "Flowrate": { "description": "The flowrate of the fuel." @@ -2710,6 +2826,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_EnergyConsumptionPHistoryFuel.xml" }, "Pset_EnergyConsumptionPHistorySteam": { + "description": "Measured steam energy consumption properties.", "properties": { "Flowrate": { "description": "The mass flowrate of the steam." @@ -2727,6 +2844,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_EnergyConsumptionPHistorySteam.xml" }, "Pset_EnergyConversionDeviceCoil": { + "description": "Coil occurrence attributes attached to an instance of IfcEnergyConversionDevice.", "properties": { "HasSoundAttentuation": { "description": "TRUE if the coil has sound attenuation, FALSE if it does not." @@ -2735,6 +2853,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_EnergyConversionDeviceCoil.xml" }, "Pset_EnergyConversionDeviceSpaceHeaterPanel": { + "description": "Panel space heater type occurrence attributes.", "properties": { "NumberOfPanels": { "description": "Number of panels." @@ -2743,6 +2862,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_EnergyConversionDeviceSpaceHeaterPanel.xml" }, "Pset_EnergyConversionDeviceSpaceHeaterSectional": { + "description": "Sectional space heater type occurrence attributes.", "properties": { "NumberOfSections": { "description": "Number of vertical sections, measured in the direction of flow." @@ -2751,6 +2871,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_EnergyConversionDeviceSpaceHeaterSectional.xml" }, "Pset_EvaporativeCoolerPHistory": { + "description": "Evaporative cooler performance history attributes.", "properties": { "AirPressureDropCurve": { "description": "Air pressure drop as function of air flow rate." @@ -2780,6 +2901,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_EvaporativeCoolerPHistory.xml" }, "Pset_EvaporativeCoolerTypeCommon": { + "description": "Evaporative cooler type common attributes. Sound attribute deleted in IFC2x2 Pset Addendum: Use IfcSoundProperties instead. WaterRequirement attribute unit type modified in IFC2x2 Pset Addendum.", "properties": { "FlowArrangement": { "description": "CounterFlow: Air and water flow enter in different directions. CrossFlow: Air and water flow are perpendicular. ParallelFlow: Air and water flow enter in same directions." @@ -2803,6 +2925,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_EvaporativeCoolerTypeCommon.xml" }, "Pset_EvaporatorPHistory": { + "description": "Evaporator performance history attributes.", "properties": { "CompressorEvaporatorHeatGain": { "description": "Heat gain between the evaporator outlet and the compressor inlet." @@ -2841,6 +2964,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_EvaporatorPHistory.xml" }, "Pset_EvaporatorTypeCommon": { + "description": "Evaporator type common attributes.", "properties": { "EvaporatorCoolant": { "description": "The fluid used for the coolant in the evaporator." @@ -2876,6 +3000,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_EvaporatorTypeCommon.xml" }, "Pset_FanPHistory": { + "description": "Fan performance history attributes. Sound attribute deleted in IFC2x2 Pset Addendum: Use IfcSoundProperties instead.", "properties": { "DischargePressureLoss": { "description": "Fan discharge pressure loss associated with the discharge arrangement." @@ -2914,6 +3039,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_FanPHistory.xml" }, "Pset_FanTypeCommon": { + "description": "Fan type common attributes.", "properties": { "CapacityControlType": { "description": "InletVane: Control by adjusting inlet vane VariableSpeedDrive: Control by variable speed drive BladePitchAngle: Control by adjusting blade pitch angle TwoSpeed: Control by switch between high and low speed DischargeDamper: Control by modulating discharge damper" @@ -2955,6 +3081,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_FanTypeCommon.xml" }, "Pset_FanTypeSmokeControl": { + "description": "Smoke control attributes of a fan participating as part of a smoke control system.", "properties": { "MaximumDesignTemperature": { "description": "Maximum design operational temperature." @@ -2969,6 +3096,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_FanTypeSmokeControl.xml" }, "Pset_FilterPHistory": { + "description": "Filter performance history attributes.", "properties": { "CountedEfficiency": { "description": "Filter efficiency based the particle counts concentration before and after filter against particles with certain size distribution." @@ -2983,6 +3111,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_FilterPHistory.xml" }, "Pset_FilterTypeAirParticleFilter": { + "description": "Air particle filter type attributes.", "properties": { "AirParticleFilterType": { "description": "A panel dry type extended surface filter is a dry-type air filter with random fiber mats or blankets in the forms of pockets, V-shaped or radial pleats, and include the following: CoarseFilter: Filter with a efficiency lower than 30% for atmosphere dust-spot. CoarseMetalScreen: Filter made of metal screen. CoarseCellFoams: Filter made of cell foams. CoarseSpunGlass: Filter made of spun glass. MediumFilter: Filter with an efficiency between 30-98% for atmosphere dust-spot. MediumElectretFilter: Filter with fine electret synthetic fibers. MediumNaturalFiberFilter: Filter with natural fibers. HEPAFilter: High efficiency particulate air filter. ULPAFilter: Ultra low penetration air filter. MembraneFilters: Filter made of membrane for certain pore diameters in flat sheet and pleated form. A renewable media with a moving curtain viscous filter are random-fiber media coated with viscous substance in roll form or curtain where fresh media is fed across the face of the filter and the dirty media is rewound onto a roll at the bottom or to into a reservoir: RollForm: Viscous filter used in roll form. AdhesiveReservoir: Viscous filter used in moving curtain form. A renewable moving curtain dry media filter is a random-fiber dry media of relatively high porosity used in moving-curtain(roll) filters. An electrical filter uses electrostatic precipitation to remove and collect particulate contaminants." @@ -3024,6 +3153,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_FilterTypeAirParticleFilter.xml" }, "Pset_FilterTypeCommon": { + "description": "Filter type common attributes.", "properties": { "FinalResistance": { "description": "Filter fluid resistance when replacement is required (i.e., Pressure drop at the maximum air flowrate across the filter when the filter needs replacement per ASHRAE Standard 52.1)." @@ -3065,6 +3195,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_FilterTypeCommon.xml" }, "Pset_FireRatingProperties": { + "description": "Properties related to the combustion of materials for purposes of assessing fire hazard.", "properties": { "FireResistanceRating": { "description": "Fire rating identifying the entity's fire resistive value (e.g., 1-hour, 2-hour, etc.) so that its resistance to fire can be compared to that of the surrounding structure." @@ -3079,6 +3210,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_FireRatingProperties.xml" }, "Pset_FireSuppressionTerminalTypeBreechingInlet": { + "description": "Symmetrical pipe fitting that unites two or more inlets into a single pipe (BS6100 330 114 adapted).", "properties": { "BreechingInletType": { "description": "Defines the type of breeching inlet." @@ -3102,6 +3234,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_FireSuppressionTerminalTypeBreechingInlet.xml" }, "Pset_FireSuppressionTerminalTypeFireHydrant": { + "description": "Device, fitted to a pipe, through which a temporary supply of water may be provided (BS6100 330 6107)", "properties": { "BodyColor": { "description": "Color of the body of the hydrant." @@ -3137,6 +3270,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_FireSuppressionTerminalTypeFireHydrant.xml" }, "Pset_FireSuppressionTerminalTypeHoseReel": { + "description": "A supporting framework on which a hose may be wound (BS6100 155 8201).", "properties": { "ClassOfService": { "description": "A classification of usage of the hose reel that may be applied." @@ -3166,6 +3300,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_FireSuppressionTerminalTypeHoseReel.xml" }, "Pset_FireSuppressionTerminalTypeSprinkler": { + "description": "Device for sprinkling water from a pipe under pressure over an area (BS6100 100 3432)", "properties": { "Activation": { "description": "Identifies the predefined methods of sprinkler activation from which that required may be set." @@ -3213,6 +3348,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_FireSuppressionTerminalTypeSprinkler.xml" }, "Pset_FlowControllerDamper": { + "description": "Damper occurrence attributes attached to an instance of IfcFlowController.", "properties": { "SizingMethod": { "description": "Identifies whether the damper is sized nominally or with exact measurements: NOMINAL: Nominal sizing method. EXACT: Exact sizing method." @@ -3221,6 +3357,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_FlowControllerDamper.xml" }, "Pset_FlowControllerFlowMeter": { + "description": "Flow meter occurrence common attributes.", "properties": { "Purpose": { "description": "Enumeration defining the purpose of the flow meter occurrence." @@ -3229,6 +3366,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_FlowControllerFlowMeter.xml" }, "Pset_FlowFittingDuctFitting": { + "description": "Duct fitting occurrence attributes attached to an instance of IfcFlowFitting.", "properties": { "AbsoluteRoughnessFactor": { "description": "The absolute roughness factor of the duct fitting." @@ -3243,6 +3381,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_FlowFittingDuctFitting.xml" }, "Pset_FlowFittingPipeFitting": { + "description": "Pipe fitting occurrence attributes attached to an instance of IfcFlowFitting.", "properties": { "Color": { "description": "The color of the pipe fitting." @@ -3254,6 +3393,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_FlowFittingPipeFitting.xml" }, "Pset_FlowInstrumentTypePressureGauge": { + "description": "A device that reads and displays a pressure value at a point or the pressure difference between two points.", "properties": { "DisplaySize": { "description": "The physical size of the display. For a dial pressure gauge it will be the diameter of the dial." @@ -3265,6 +3405,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_FlowInstrumentTypePressureGauge.xml" }, "Pset_FlowInstrumentTypeThermometer": { + "description": "A device that reads and displays a temperature value at a point.", "properties": { "DisplaySize": { "description": "The physical size of the display. In the case of a stem thermometer, this will be the length of the stem. For a dial thermometer, it will be the diameter of the dial." @@ -3276,6 +3417,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_FlowInstrumentTypeThermometer.xml" }, "Pset_FlowMeterTypeCommon": { + "description": "Common attributes of a flow meter type", "properties": { "IsMain": { "description": "Indicates whether the meter is the main meter on the system. If FALSE, it is a submeter." @@ -3290,6 +3432,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_FlowMeterTypeCommon.xml" }, "Pset_FlowMeterTypeEnergyMeter": { + "description": "Device that measures, indicates and sometimes records, the energy usage in a system.", "properties": { "ConnectionSize": { "description": "Defines the size of inlet and outlet pipe connections to the meter." @@ -3298,6 +3441,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_FlowMeterTypeEnergyMeter.xml" }, "Pset_FlowMeterTypeGasMeter": { + "description": "Device that measures, indicates and sometimes records, the volume of gas that passes through it without interrupting the flow.", "properties": { "ConnectionSize": { "description": "Defines the size of inlet and outlet pipe connections to the meter." @@ -3315,6 +3459,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_FlowMeterTypeGasMeter.xml" }, "Pset_FlowMeterTypeOilMeter": { + "description": "Device that measures, indicates and sometimes records, the volume of oil that passes through it without interrupting the flow.", "properties": { "ConnectionSize": { "description": "Defines the size of inlet and outlet pipe connections to the meter." @@ -3326,6 +3471,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_FlowMeterTypeOilMeter.xml" }, "Pset_FlowMeterTypeWaterMeter": { + "description": "Device that measures, indicates and sometimes records, the volume of water that passes through it without interrupting the flow.", "properties": { "BackflowPreventerType": { "description": "Identifies the type of backflow preventer installed to prevent the backflow of contaminated or polluted water from an irrigation/reticulation system to a potable water supply." @@ -3346,6 +3492,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_FlowMeterTypeWaterMeter.xml" }, "Pset_FlowMovingDeviceCompressor": { + "description": "Compressor occurrence attributes attached to an instance of IfcFlowMovingDevice.", "properties": { "ImpellerDiameter": { "description": "Diameter of compressor impeller - used to scale performance of geometrically similar compressors." @@ -3354,6 +3501,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_FlowMovingDeviceCompressor.xml" }, "Pset_FlowMovingDeviceFan": { + "description": "Fan occurrence attributes attached to an instance of IfcFlowMovingDevice.", "properties": { "ApplicationOfFan": { "description": "The functional application of the fan: SUPPLYAIR: Supply air fan. RETURNAIR: Return air fan. EXHAUSTAIR: Exhaust air fan. OTHER: Other type of application not defined above." @@ -3380,6 +3528,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_FlowMovingDeviceFan.xml" }, "Pset_FlowMovingDeviceFanCentrifugal": { + "description": "Centrifugal fan occurrence attributes attached to an instance of IfcFlowMovingDevice.", "properties": { "Arrangement": { "description": "Defines the fan and motor drive arrangement as defined by AMCA: ARRANGEMENT1: Arrangement 1. ARRANGEMENT2: Arrangement 2. ARRANGEMENT3: Arrangement 3. ARRANGEMENT4: Arrangement 4. ARRANGEMENT7: Arrangement 7. ARRANGEMENT8: Arrangement 8. ARRANGEMENT9: Arrangement 9. ARRANGEMENT10: Arrangement 10. OTHER: Other type of fan drive arrangement." @@ -3394,6 +3543,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_FlowMovingDeviceFanCentrifugal.xml" }, "Pset_FlowMovingDevicePump": { + "description": "Pump occurrence attributes attached to an instance of IfcFlowMovingDevice.", "properties": { "BaseType": { "description": "Defines general types of pump bases: FRAME: Frame. BASE: Base. NONE: There is no pump base, such as an inline pump. OTHER: Other type of pump base." @@ -3408,6 +3558,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_FlowMovingDevicePump.xml" }, "Pset_FlowSegmentDuctSegment": { + "description": "Duct segment occurrence attributes attached to an instance of IfcFlowSegment.", "properties": { "Color": { "description": "The color of the duct segment." @@ -3428,6 +3579,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_FlowSegmentDuctSegment.xml" }, "Pset_FlowSegmentPipeSegment": { + "description": "Pipe segment occurrence attributes attached to an instance of IfcFlowSegment.", "properties": { "Color": { "description": "The color of the pipe segment." @@ -3448,6 +3600,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_FlowSegmentPipeSegment.xml" }, "Pset_FlowStorageDeviceTank": { + "description": "Properties that relate to an instance of a flow storage device that is typed as a tank. Note that a partial tank may be considered as a compartment within a compartmentalized tank.", "properties": { "HasLadder": { "description": "Indication of whether the tank is provided with a ladder (set TRUE) for access to the top. If no ladder is provided then value is set FALSE." @@ -3462,6 +3615,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_FlowStorageDeviceTank.xml" }, "Pset_FlowTerminalAirTerminal": { + "description": "Air terminal occurrence attributes attached to an instance of IfcFlowTerminal.", "properties": { "AirflowType": { "description": "Enumeration defining the functional type of air flow through the terminal." @@ -3473,6 +3627,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_FlowTerminalAirTerminal.xml" }, "Pset_FurnitureTypeChair": { + "description": "A set of specific properties for furniture type chair.", "properties": { "HighestSeatingHeight": { "description": "The value of seating height of high level if the chair height is adjustable." @@ -3487,6 +3642,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedFacilitiesElements/Pset_FurnitureTypeChair.xml" }, "Pset_FurnitureTypeCommon": { + "description": "Common properties for all types of furniture such as chair, desk, table, and file cabinet.", "properties": { "Description": { "description": "Specific description of this type of furniture." @@ -3510,6 +3666,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedFacilitiesElements/Pset_FurnitureTypeCommon.xml" }, "Pset_FurnitureTypeDesk": { + "description": "A set of specific properties for furniture type desk.", "properties": { "WorksurfaceArea": { "description": "The value of the work surface area of the desk." @@ -3518,6 +3675,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedFacilitiesElements/Pset_FurnitureTypeDesk.xml" }, "Pset_FurnitureTypeFileCabinet": { + "description": "A set of specific properties for furniture type file cabinet", "properties": { "WithLock": { "description": "Indicates whether the file cabinet is lockable (= TRUE) or not (= FALSE)." @@ -3526,6 +3684,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedFacilitiesElements/Pset_FurnitureTypeFileCabinet.xml" }, "Pset_FurnitureTypeTable": { + "description": "A set of specific properties for furniture type table.", "properties": { "NumberOfChairs": { "description": "Maximum number of chairs that can fit with the table for normal use." @@ -3537,6 +3696,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedFacilitiesElements/Pset_FurnitureTypeTable.xml" }, "Pset_GasTerminalPHistory": { + "description": "Gas terminal performance history common attributes.", "properties": { "GasFlowRate": { "description": "The volumetric flowrate of gas to the gas terminal." @@ -3545,6 +3705,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_GasTerminalPHistory.xml" }, "Pset_GasTerminalTypeCommon": { + "description": "Common attributes of gas terminal types. GasProperties attribute deleted in IFC2x2 Pset Addendum: Use IfcFuelProperties instead.", "properties": { "GasFlowRateRange": { "description": "Gas volumetric flowrate within which the gas terminal is designed to operate." @@ -3553,6 +3714,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_GasTerminalTypeCommon.xml" }, "Pset_GasTerminalTypeGasAppliance": { + "description": "Piece of equipment for occupants use that is connected to a gas installation (definition is a modification from that found in BS6100).", "properties": { "FlueType": { "description": "Defines the types of flue that may be specified for connection to gas appliances where:" @@ -3564,6 +3726,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_GasTerminalTypeGasAppliance.xml" }, "Pset_GasTerminalTypeGasBurner": { + "description": "A complete unit on which or in which a flame is maintained through the provision of a gas supply.", "properties": { "GasBurnerType": { "description": "Selection of the type of gas burner from the enumerated list of types" @@ -3572,6 +3735,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_GasTerminalTypeGasBurner.xml" }, "Pset_HeatExchangerTypeCommon": { + "description": "Heat exchanger type common attributes.", "properties": { "Arrangement": { "description": "Defines the basic flow arrangements for the heat exchanger: COUNTERFLOW: Counterflow heat exchanger arrangement. CROSSFLOW: Crossflow heat exchanger arrangement. PARALLELFLOW: Parallel flow heat exchanger arrangement. MULTIPASS: Multipass flow heat exchanger arrangement. OTHER: Other type of heat exchanger flow arrangement not defined above." @@ -3583,6 +3747,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_HeatExchangerTypeCommon.xml" }, "Pset_HeatExchangerTypePlate": { + "description": "Plate heat exchanger type common attributes.", "properties": { "NumberOfPlates": { "description": "Number of plates used by the plate heat exchanger." @@ -3591,6 +3756,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_HeatExchangerTypePlate.xml" }, "Pset_HumidifierPHistory": { + "description": "Humidifier performance history attributes. Sound attribute deleted in IFC2x2 Pset Addendum: Use IfcSoundProperties instead.", "properties": { "AirPressureDropCurve": { "description": "Air pressure drop versus air-flow rate." @@ -3608,6 +3774,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_HumidifierPHistory.xml" }, "Pset_HumidifierTypeCommon": { + "description": "Humidifier type common attributes. WaterProperties attribute renamed to WaterRequirement and unit type modified in IFC2x2 Pset Addendum.", "properties": { "Application": { "description": "Humidifier application. Fixed: Humidifier installed in a ducted flow distribution system. Portable: Humidifier is not installed in a ducted flow distribution system." @@ -3631,6 +3798,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_HumidifierTypeCommon.xml" }, "Pset_LampTypeCommon": { + "description": "A lamp is a component within a light fixture that is designed to emit light.", "properties": { "ColorAppearance": { "description": "In both the DIN and CIE standards, artificial light sources are classified in terms of their color appearance. To the human eye they all appear to be white; the difference can only be detected by direct comparison. Visual performance is not directly affected by differences in color appearance." @@ -3663,6 +3831,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_LampTypeCommon.xml" }, "Pset_LightFixtureTypeCommon": { + "description": "Common data for light fixtures.", "properties": { "ArticleNumber": { "description": "The article number." @@ -3689,6 +3858,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_LightFixtureTypeCommon.xml" }, "Pset_LightFixtureTypeExitSign": { + "description": "Properties that characterize an illuminated exit sign", "properties": { "Addressablility": { "description": "The type of addressability." @@ -3709,6 +3879,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_LightFixtureTypeExitSign.xml" }, "Pset_LightFixtureTypeThermal": { + "description": "Heat load data for a light fixture.", "properties": { "MaximumPlenumSensibleLoad": { "description": "Maximum or Peak sensible thermal load contributed to the conditioned space by the light fixture." @@ -3723,6 +3894,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_LightFixtureTypeThermal.xml" }, "Pset_ManufacturerOccurrence": { + "description": "Defines properties of individual instances of manufactured products that may be given by the manufacturer.", "properties": { "AcquisitionDate": { "description": "The date that the manufactured item was purchased." @@ -3740,6 +3912,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedFacilitiesElements/Pset_ManufacturerOccurrence.xml" }, "Pset_ManufacturerTypeInformation": { + "description": "Defines characteristics of manufactured products that may be given by the manufacturer. Note that the term 'manufactured' may also be used to refer to products that are supplied and identified by the supplier or that are assembled off site by a third party provider. This property set replaces the entity IfcManufacturerInformation from previous IFC releases.", "properties": { "ArticleNumber": { "description": "Article number or reference that may be applied to a product according to a standard scheme for article number definition (e.g. UN, EAN)" @@ -3760,6 +3933,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedFacilitiesElements/Pset_ManufacturerTypeInformation.xml" }, "Pset_MemberCommon": { + "description": "Properties common to the definition of all occurrences of IfcMember.", "properties": { "FireRating": { "description": "Fire rating for this object. It is given according to the national fire safety classification." @@ -3783,6 +3957,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgElements/Pset_MemberCommon.xml" }, "Pset_MultiStateInput": { + "description": "Defines the characteristics of a multi-state input.", "properties": { "AlarmValues": { "description": "Specifies any states the present value must equal before an EventEnable shall occur. Upper limit of the list is equal to the NumberOfStates." @@ -3803,6 +3978,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_MultiStateInput.xml" }, "Pset_MultiStateOutput": { + "description": "Defines the characteristics of a multi-state output.", "properties": { "AlarmValues": { "description": "Specifies any states the present value must equal before an EventEnable shall occur. Upper limit of the list is equal to the NumberOfStates." @@ -3823,6 +3999,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_MultiStateOutput.xml" }, "Pset_OpeningElementCommon": { + "description": "Properties common to the definition of all instances of IfcOpeningElement.", "properties": { "FireExit": { "description": "Indication whether this object is designed to serve as an exit in the case of fire (TRUE) or not (FALSE). Here whether the space (in case of e.g., a corridor) is designed to serve as an exit space, e.g., for fire escape purposes." @@ -3843,6 +4020,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcProductExtension/Pset_OpeningElementCommon.xml" }, "Pset_OutletTypeCommon": { + "description": "Common properties for different outlet types.", "properties": { "IsPluggableOutlet": { "description": "Indication of whether the outlet accepts a loose plug connection (= TRUE) or whether it is directly connected (= FALSE) or whether the form of connection has not yet been determined (= UNKNOWN)" @@ -3851,6 +4029,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_OutletTypeCommon.xml" }, "Pset_OutsideDesignCriteria": { + "description": "Outside air conditions used as the basis for calculating thermal loads at peak conditions, as well as the weather data location from which these conditions were obtained.", "properties": { "BuildingThermalExposure": { "description": "The thermal exposure expected by the building based on surrounding site conditions." @@ -3889,6 +4068,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_OutsideDesignCriteria.xml" }, "Pset_PackingInstructions": { + "description": "Packing instructions are specific instructions relating to the packing that is required for an artefact (instance of IfcProduct) in the event of a move (where the product is related to an instance of IfcMove).", "properties": { "ContainerMaterial": { "description": "Special requirements for material used to contain an artefact." @@ -3906,6 +4086,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcFacilitiesMgmtDomain/Pset_PackingInstructions.xml" }, "Pset_Permit": { + "description": "A permit is a document that allows permission to gain access to an area or carry out work in a situation where security or other access restrictions apply.", "properties": { "EndTime": { "description": "End time." @@ -3932,6 +4113,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcFacilitiesMgmtDomain/Pset_Permit.xml" }, "Pset_PipeConnection": { + "description": "This property set is used to define the various types of pipe connections. It is applied to occurrences of pipe segments and fittings.", "properties": { "ConnectionType": { "description": "The connection type between pipe segments or fittings and other segments or fittings. If the list contains only one value, then this connection type value applies to all ports. For more than one value in the list, the connection type value applies to the port that corresponds to the list index.The following suggested items should be utilized whenever possible for correlation with port enumerations: BRAZED: Brazed connection type. COMPRESSION: Compression connection type. FLANGED: Flanged connection type including bolts and gasket. GLANDJOINT: Gland-joint connection type. FLEXIBLEBOLTEDGLANDJOINT: Flexible bolted gland-joint connection type. FLEXIBLEBOLTEDGLANDJOINTWITHANODEENDCAP: Flexible bolted gland-joint with anode end-cap connection type. GROOVED: Grooved connection type. SOLDERED: Soldered connection type. SOLDERED_FEMALE: Female-soldered connection type. SOLDERED_MALE: Male-soldered connection type. SWEDGE: Swedge connection type. THREADED: Threaded connection type. THREADED_FEMALE: Female-threaded connection type. THREADED_MALE: Male-threaded connection type. WELDED: Welded connection type. WELDED_BUTT: Butt-welded connection type. WELDED_BRANCH: Branch-welded connection type. WELDED_FLANGE: Flange-welded connection type. NONE: There is no connection. NOTDEFINED: Undefined connection type." @@ -3940,6 +4122,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_PipeConnection.xml" }, "Pset_PipeConnectionFlanged": { + "description": "This property set is used to define the specifics of a flanged pipe connection used between occurrences of pipe segments and fittings.", "properties": { "BoltSize": { "description": "Size of the bolts securing the flange" @@ -3972,6 +4155,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_PipeConnectionFlanged.xml" }, "Pset_PipeFittingPHistory": { + "description": "Pipe fitting performance history common attributes.", "properties": { "FlowrateLeakage": { "description": "Leakage flowrate versus pressure difference." @@ -3983,6 +4167,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_PipeFittingPHistory.xml" }, "Pset_PipeFittingTypeCommon": { + "description": "Pipe fitting type common attributes.", "properties": { "EndStyleTreatment": { "description": "The end-style treatment of the pipe fitting as made available from the manufacturer. If the list contains only one value, then this end-style applies to all ports. For more than one value in the list, the end-style value applies to the port that corresponds to the list index.The following suggested items should be utilized whenever possible for correlation with port enumerations: FLANGED: Flanged. GROOVED: Grooved. THREADED: Threaded. NONE: No end-style has been applied. NOTDEFINED: Undefined end-style type." @@ -4021,6 +4206,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_PipeFittingTypeCommon.xml" }, "Pset_PipeSegmentPHistory": { + "description": "Pipe segment performance history common attributes.", "properties": { "FluidFlowLeakage": { "description": "Volumetric leakage flow rate." @@ -4032,6 +4218,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_PipeSegmentPHistory.xml" }, "Pset_PipeSegmentTypeCommon": { + "description": "Pipe segment type common attributes.", "properties": { "EndStyleTreatment": { "description": "The end-style treatment of the pipe segment as made available from the manufacturer. If the list contains only one value, then this end-style applies to all ports. For more than one value in the list, the end-style value applies to the port that corresponds to the list index.The following suggested items should be utilized whenever possible for correlation with port enumerations: FLANGED: Flanged. GROOVED: Grooved. THREADED: Threaded. NONE: No end-style has been applied. NOTDEFINED: Undefined end-style type." @@ -4064,6 +4251,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_PipeSegmentTypeCommon.xml" }, "Pset_PipeSegmentTypeGutter": { + "description": "Gutter segment type common attributes.", "properties": { "FlowRating": { "description": "Actual flow capacity for the gutter. Value of 0.00 means this value has not been set." @@ -4075,6 +4263,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_PipeSegmentTypeGutter.xml" }, "Pset_PlateCommon": { + "description": "Properties common to the definition of all occurrences of IfcPlate.", "properties": { "AcousticRating": { "description": "Acoustic rating for this object. It is giving according to the national building code. It indicates the sound transmission resistance of this object by an index ration (instead of providing full sound absorbtion values)." @@ -4098,6 +4287,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgElements/Pset_PlateCommon.xml" }, "Pset_ProductRequirements": { + "description": "Categorization of the required properties of an entity that are used to determine what the level of the requirement is, to enable its performance/quality to be determined, assessed, or measured, and compared against the requirement, and then to analyze whether the entity is suitable for use within a given context..", "properties": { "Category": { "description": "A reference to a classification of the degree of aggregation or granularity of topic data such as regional, local etc." @@ -4133,6 +4323,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcKernel/Pset_ProductRequirements.xml" }, "Pset_ProjectCommon": { + "description": "Common properties for a building project.", "properties": { "BuildingPermitId": { "description": "The building permit identifier for the written authorization required by building authorities before construction on a specific project can begin." @@ -4147,6 +4338,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcKernel/Pset_ProjectCommon.xml" }, "Pset_ProjectOrderChangeOrder": { + "description": "A change order is an instruction to make a change to a product or work being undertake. Note that the change order status is defined in the same way as a work order status since a change order implies a work requirement.", "properties": { "BudgetSource": { "description": "The budget source requested." @@ -4161,6 +4353,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedMgmtElements/Pset_ProjectOrderChangeOrder.xml" }, "Pset_ProjectOrderMaintenanceWorkOrder": { + "description": "A MaintenanceWorkOrder is a detailed description of maintenance work that is to be performed. Note that the Scheduled Frequency property of the maintenance work order is used when the order is required as an instance of a scheduled work order.", "properties": { "ContractualType": { "description": "The contractual type of the work." @@ -4196,6 +4389,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedMgmtElements/Pset_ProjectOrderMaintenanceWorkOrder.xml" }, "Pset_ProjectOrderMoveOrder": { + "description": "Defines the requirements for move orders. Note that the move order status is defined in the same way as a work order status since a move order implies a work requirement.", "properties": { "MoveDescription": { "description": "A textual description of the move required." @@ -4207,6 +4401,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedMgmtElements/Pset_ProjectOrderMoveOrder.xml" }, "Pset_ProjectOrderPurchaseOrder": { + "description": "Defines the requirements for purchase orders in a project.", "properties": { "IsFOB": { "description": "Indication of whether contents of the purchase order are delivered 'Free on Board' (= True) or not (= False)." @@ -4218,6 +4413,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedMgmtElements/Pset_ProjectOrderPurchaseOrder.xml" }, "Pset_ProjectOrderWorkOrder": { + "description": "Defines the requirements for purchase orders in a project.", "properties": { "ContractualType": { "description": "The contractual type of the work." @@ -4241,6 +4437,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedMgmtElements/Pset_ProjectOrderWorkOrder.xml" }, "Pset_ProjectionElementShadingDevicePHistory": { + "description": "Shading device performance history attributes.", "properties": { "Azimuth": { "description": "The azimuth of the outward normal for the outward or upward facing surface." @@ -4252,6 +4449,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_ProjectionElementShadingDevicePHistory.xml" }, "Pset_PropertyAgreement": { + "description": "A property agreement is an agreement that enables the occupation of a property for a period of time.", "properties": { "AgreementType": { "description": "Identifies the predefined types of property agreement from which the type required may be set." @@ -4293,6 +4491,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedFacilitiesElements/Pset_PropertyAgreement.xml" }, "Pset_ProtectiveDeviceTypeCircuitBreaker": { + "description": "Definition from IEC 441-14-20: A circuit breaker is a mechanical switching device capable of making, carrying, and breaking currents under normal circuit conditions and also making, carrying for a specified time and breaking, current under specified abnormal circuit conditions such as those of short circuit.", "properties": { "CircuitBreakerType": { "description": "A list of the available types of circuit breaker from which that required may be selected where:" @@ -4301,6 +4500,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_ProtectiveDeviceTypeCircuitBreaker.xml" }, "Pset_ProtectiveDeviceTypeCommon": { + "description": "Common properties for different protective device types.", "properties": { "CharacteristicTripCurve": { "description": "A curve giving the time, e.g. prearcing time or operating time, as a function of the protective current under stated conditions of operation." @@ -4330,6 +4530,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_ProtectiveDeviceTypeCommon.xml" }, "Pset_ProtectiveDeviceTypeEarthFailureDevice": { + "description": "An earth failure device acts to protect people and equipment from the effects of current leakage.", "properties": { "EarthFailureDeviceType": { "description": "A list of the available types of circuit breaker from which that required may be selected where:" @@ -4341,6 +4542,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_ProtectiveDeviceTypeEarthFailureDevice.xml" }, "Pset_ProtectiveDeviceTypeFuseDisconnector": { + "description": "A device that will electrically open the circuit after a period of prolonged, abnormal current flow.", "properties": { "FuseDisconnectorType": { "description": "A list of the available types of fuse disconnector from which that required may be selected where:" @@ -4349,6 +4551,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_ProtectiveDeviceTypeFuseDisconnector.xml" }, "Pset_ProtectiveDeviceTypeResidualCurrentCircuitBreaker": { + "description": "A residual current circuit breaker opens, closes or isolates a circuit and has short circuit and overload protection.", "properties": { "Sensitivity": { "description": "Current leakage to an unwanted leading path during normal operation (IEC 151-14-49)" @@ -4357,6 +4560,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_ProtectiveDeviceTypeResidualCurrentCircuitBreaker.xml" }, "Pset_ProtectiveDeviceTypeResidualCurrentSwitch": { + "description": "A residual current switch opens, closes or isolates a circuit and has no short circuit or overload protection.", "properties": { "Sensitivity": { "description": "Current leakage to an unwanted leading path during normal operation (IEC 151-14-49)" @@ -4365,6 +4569,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_ProtectiveDeviceTypeResidualCurrentSwitch.xml" }, "Pset_ProtectiveDeviceTypeVaristor": { + "description": "A high voltage surge protection device.", "properties": { "VaristorType": { "description": "A list of the available types of varistor from which that required may be selected." @@ -4373,6 +4578,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_ProtectiveDeviceTypeVaristor.xml" }, "Pset_PumpPHistory": { + "description": "Pump performance history attributes.", "properties": { "Flowrate": { "description": "The actual operational fluid flowrate." @@ -4396,6 +4602,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_PumpPHistory.xml" }, "Pset_PumpTypeCommon": { + "description": "Common attributes of a pump type.", "properties": { "CasingMaterial": { "description": "Material from which the casing of the pump is constructed" @@ -4428,6 +4635,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_PumpTypeCommon.xml" }, "Pset_QuantityTakeOff": { + "description": "Description of quantities for work items to be exchanged in addition to the IfcElementQuantity", "properties": { "LayerQuantity": { "children": { @@ -4450,6 +4658,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcProductExtension/Pset_QuantityTakeOff.xml" }, "Pset_RailingCommon": { + "description": "Properties common to the definition of all occurrences of IfcRailing.", "properties": { "Diameter": { "description": "Diameter of the object. It is the diameter of the handrail of the railing. The size information is provided in addition to the shape representation and the geometric parameters used within. In cases of inconsistency between the geometric parameters and the size properties, provided in the attached property set, the geometric parameters take precedence. Here the diameter of the hand or guardrail within the railing." @@ -4467,6 +4676,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgElements/Pset_RailingCommon.xml" }, "Pset_RampCommon": { + "description": "Properties common to the definition of all occurrences of IfcRamp.", "properties": { "FireExit": { "description": "Indication whether this object is designed to serve as an exit in the case of fire (TRUE) or not (FALSE). Here it defines an exit ramp in accordance to the national building code." @@ -4496,6 +4706,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgElements/Pset_RampCommon.xml" }, "Pset_RampFlightCommon": { + "description": "Properties common to the definition of all occurrences of IfcRampFlight.", "properties": { "Headroom": { "description": "Actual headroom clearance for the passageway according to the current design. The shape information is provided in addition to the shape representation and the geometric parameters used within. In cases of inconsistency between the geometric parameters and the shape properties, provided in the attached property, the geometric parameters take precedence." @@ -4510,6 +4721,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgElements/Pset_RampFlightCommon.xml" }, "Pset_ReinforcementBarCountOfIndependentFooting": { + "description": "Reinforcement Concrete parameter [ST-2]: The amount number information of reinforcement bar with the independent footing. The X and Y direction are based on the local coordinate system of building storey. The X and Y direction of the reinforcement bar are parallel to the X and Y axis of the IfcBuildingStorey's local coordinate system, respectively.", "properties": { "Description": { "description": "Description of the reinforcement." @@ -4533,6 +4745,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcStructuralElementsDomain/Pset_ReinforcementBarCountOfIndependentFooting.xml" }, "Pset_ReinforcementBarPitchOfBeam": { + "description": "The ptich length information of reinforcement bar with the beam.", "properties": { "Description": { "description": "Description of the reinforcement." @@ -4550,6 +4763,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcStructuralElementsDomain/Pset_ReinforcementBarPitchOfBeam.xml" }, "Pset_ReinforcementBarPitchOfColumn": { + "description": "The pitch length information of reinforcement bar with the column. The X and Y direction are based on the local coordinate system of building storey. The X and Y direction of the reinforcement bar are parallel to the X and Y axis of the IfcBuildingStorey's local coordinate system, respectively.", "properties": { "Description": { "description": "Description of the reinforcement." @@ -4579,6 +4793,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcStructuralElementsDomain/Pset_ReinforcementBarPitchOfColumn.xml" }, "Pset_ReinforcementBarPitchOfContinuousFooting": { + "description": "Reinforcement Concrete parameter [ST-2]: The pitch length information of reinforcement bar with the continuous footing.", "properties": { "CrossingLowerBarPitch": { "description": "The pitch length of the crossing lower bar." @@ -4596,6 +4811,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcStructuralElementsDomain/Pset_ReinforcementBarPitchOfContinuousFooting.xml" }, "Pset_ReinforcementBarPitchOfSlab": { + "description": "The pitch length information of reinforcement bar with the slab.", "properties": { "Description": { "description": "Description of the reinforcement." @@ -4643,6 +4859,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcStructuralElementsDomain/Pset_ReinforcementBarPitchOfSlab.xml" }, "Pset_ReinforcementBarPitchOfWall": { + "description": "The pitch length information of reinforcement bar with the wall.", "properties": { "BarAllocationType": { "description": "Defines the type of the reinforcement bar allocation." @@ -4666,6 +4883,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcStructuralElementsDomain/Pset_ReinforcementBarPitchOfWall.xml" }, "Pset_ReinforcingBarBendingsBECCommon": { + "description": "Properties expressing the bending information of non-prestressed reinforcing bars. The properties in this Pset are defined according to the local Finnish BEC standard with minor adjustements (only bar bending information is included). The bending shape property definitions apply to both reinforcing bars (IfcReinforcingBar) and reinforcing meshes (IfcReinforcingMesh). It is presumed that a single standard for defining the bar bending is used throughout the project and that this standard is referenced from the IfcProject object through the IfcDocumentReference mechanism.", "properties": { "BECBarShapeCode": { "description": "The bending type code for the specific bending shape as defined in the BEC standard. Note: depending on the standardized shape different combinations of following parameters a...e (f...l), TD, u, v, u1, v1, aid_x, and aid_y are used." @@ -4734,6 +4952,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcStructuralElementsDomain/Pset_ReinforcingBarBendingsBECCommon.xml" }, "Pset_ReinforcingBarBendingsBS8666Common": { + "description": "Properties expressing the bending information of non-prestressed reinforcing bars. The properties in this Pset are largely defined according to BS8666. It is presumed that a single standard for defining the bar bending is used throughout the project and that this standard is referenced from the IfcProject object through the IfcDocumentReference mechanism.", "properties": { "BS8666ShapeCode": { "description": "The bending type code for the specific bending shape as defined in the BS8666 standard. Note: depending on the standardized shape different combinations of following parameters A...E and r are used." @@ -4760,6 +4979,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcStructuralElementsDomain/Pset_ReinforcingBarBendingsBS8666Common.xml" }, "Pset_ReinforcingBarBendingsDIN135610Common": { + "description": "Properties expressing the bending information of non-prestressed reinforcing bars. The properties in this Pset are largely defined according to DIN 1356 Teil 10 with some minor omissions: the shape type X2 is not considered since it is better represented by the explicit shape geometry. It is presumed that a single standard for defining the bar bending is used throughout the project and that this standard is referenced from the IfcProject object through the IfcDocumentReference mechanism. Note: This bending standard is presumably to be replaced by the upcoming ISO 3766 standard.", "properties": { "DIN135610ShapeCode": { "description": "The bending type code for the specific bending shape as defined in the DIN 1356 Teil 10 standard. Note: depending on the standardized shape different combinations of following parameters a...z are used." @@ -4786,6 +5006,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcStructuralElementsDomain/Pset_ReinforcingBarBendingsDIN135610Common.xml" }, "Pset_ReinforcingBarBendingsISOCD3766Common": { + "description": "Properties expressing the bending information of non-prestressed reinforcing bars. The properties in this Pset are largely defined according to ISO/CD 3766 with some minor changes in how the hooks are defined (explicit angle measures instead of coded parameters). It is presumed that a single standard for defining the bar bending is used throughout the project and that this standard is referenced from the IfcProject object through the IfcDocumentReference mechanism. Note: This standard is still under development and the Pset will be changed accordingly if so required.", "properties": { "ISOCD3766BendingEndHook": { "description": "The angle of the hook at end of the bar. If the property is not included the bar has no end hook. Note: this differs from how ISO/CD 3766 handles end hooks." @@ -4818,6 +5039,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcStructuralElementsDomain/Pset_ReinforcingBarBendingsISOCD3766Common.xml" }, "Pset_Reliability": { + "description": "Indication of the expected reliability of a product", "properties": { "MeanTimeBetweenFailure": { "description": "The average time duration between instances of failure of a product." @@ -4826,6 +5048,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedFacilitiesElements/Pset_Reliability.xml" }, "Pset_Risk": { + "description": "An indication of exposure to mischance, peril, menace, hazard or loss.", "properties": { "AffectsSurroundings": { "description": "Indicates wether the risk affects only to the person assigned to that task (FALSE) or if it can also affect to the people in the surroundings (TRUE)." @@ -4864,6 +5087,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedFacilitiesElements/Pset_Risk.xml" }, "Pset_RoofCommon": { + "description": "Properties common to the definition of all occurrences of IfcRoof. Note: Properties for ProjectedArea and TotalArea added in IFC 2x3", "properties": { "FireRating": { "description": "Fire rating for this object. It is given according to the national fire safety classification." @@ -4884,6 +5108,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgElements/Pset_RoofCommon.xml" }, "Pset_SanitaryTerminalTypeBath": { + "description": "Sanitary appliance for immersion of the human body or parts of it (BS6100).", "properties": { "BathType": { "description": "The property enumeration defines the types of bath that may be specified within the property set where:" @@ -4916,6 +5141,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_SanitaryTerminalTypeBath.xml" }, "Pset_SanitaryTerminalTypeBidet": { + "description": "Waste water appliance for washing the excretory organs while sitting astride the bowl (BS6100)", "properties": { "BidetMounting": { "description": "The property enumeration Pset_SanitaryMountingEnum defines the forms of mounting or fixing of the sanitary terminal that may be specified within property sets used to define sanitary terminals (WC\u2019s, basins, sinks, etc.) where:-" @@ -4945,6 +5171,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_SanitaryTerminalTypeBidet.xml" }, "Pset_SanitaryTerminalTypeCistern": { + "description": "A water storage unit attached to a sanitary terminal that is fitted with a device, operated automatically or by the user, that discharges water to cleanse a water closet (toilet) pan, urinal or slop hopper. (BS6100 330 5008)", "properties": { "CisternCapacity": { "description": "Volumetric capacity of the cistern" @@ -4974,6 +5201,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_SanitaryTerminalTypeCistern.xml" }, "Pset_SanitaryTerminalTypeSanitaryFountain": { + "description": "A sanitary terminal that provides a low pressure jet of water for a specific purpose (IAI).", "properties": { "Color": { "description": "Color selection for this object" @@ -5003,6 +5231,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_SanitaryTerminalTypeSanitaryFountain.xml" }, "Pset_SanitaryTerminalTypeShower": { + "description": "Installation or waste water appliance that emits a spray of water to wash the human body (BS6100).", "properties": { "Color": { "description": "Color selection for this object" @@ -5038,6 +5267,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_SanitaryTerminalTypeShower.xml" }, "Pset_SanitaryTerminalTypeSink": { + "description": "Waste water appliance for receiving, retaining or disposing of domestic, culinary, laboratory or industrial process liquids.", "properties": { "Color": { "description": "Color selection for this object" @@ -5067,6 +5297,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_SanitaryTerminalTypeSink.xml" }, "Pset_SanitaryTerminalTypeToiletPan": { + "description": "Soil appliance for the disposal of excrement.", "properties": { "NominalDepth": { "description": "Nominal or quoted depth of the object." @@ -5099,6 +5330,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_SanitaryTerminalTypeToiletPan.xml" }, "Pset_SanitaryTerminalTypeUrinal": { + "description": "Soil appliance that receives urine and directs it to a waste outlet (BS6100)", "properties": { "NominalDepth": { "description": "Nominal or quoted depth of the object." @@ -5125,6 +5357,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_SanitaryTerminalTypeUrinal.xml" }, "Pset_SanitaryTerminalTypeWCSeat": { + "description": "Hinged seat that fits on the top of a water closet (WC) pan. (BS6100 330 1401)", "properties": { "SeatColor": { "description": "Color of the object" @@ -5142,6 +5375,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_SanitaryTerminalTypeWCSeat.xml" }, "Pset_SanitaryTerminalTypeWashHandBasin": { + "description": "Waste water appliance for washing the upper parts of the body.", "properties": { "Color": { "description": "Color of the object" @@ -5171,6 +5405,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_SanitaryTerminalTypeWashHandBasin.xml" }, "Pset_SensorTypeCO2Sensor": { + "description": "A device that senses or detects carbon dioxide.", "properties": { "AccuracyOfCO2Sensor": { "description": "The accuracy of the sensor" @@ -5191,6 +5426,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_SensorTypeCO2Sensor.xml" }, "Pset_SensorTypeFireSensor": { + "description": "A device that senses or detects the presence of fire.", "properties": { "AccuracyOfFireSensor": { "description": "The accuracy of the sensor" @@ -5205,6 +5441,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_SensorTypeFireSensor.xml" }, "Pset_SensorTypeGasSensor": { + "description": "A device that senses or detects gas.", "properties": { "AccuracyOfGasSensor": { "description": "The accuracy of the sensor" @@ -5225,6 +5462,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_SensorTypeGasSensor.xml" }, "Pset_SensorTypeHeatSensor": { + "description": "A device that senses or detects heat.", "properties": { "CoverageArea": { "description": "The area that is covered by the sensor (typically measured as a circle whose center is at the location of the sensor)" @@ -5245,6 +5483,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_SensorTypeHeatSensor.xml" }, "Pset_SensorTypeHumiditySensor": { + "description": "A device that senses or detects humidity.", "properties": { "AccuracyOfHumiditySensor": { "description": "The accuracy of the sensor" @@ -5262,6 +5501,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_SensorTypeHumiditySensor.xml" }, "Pset_SensorTypeLightSensor": { + "description": "A device that senses or detects light.", "properties": { "LightSensorAccuracy": { "description": "The accuracy of the sensor." @@ -5279,6 +5519,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_SensorTypeLightSensor.xml" }, "Pset_SensorTypeMovementSensor": { + "description": "A device that senses or detects movement.", "properties": { "MovementSensingType": { "description": "Enumeration that identifies the type of movement sensing mechanism." @@ -5290,6 +5531,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_SensorTypeMovementSensor.xml" }, "Pset_SensorTypePressureSensor": { + "description": "A device that senses or detects pressure.", "properties": { "AccuracyOfPressureSensor": { "description": "The accuracy of the sensor" @@ -5310,6 +5552,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_SensorTypePressureSensor.xml" }, "Pset_SensorTypeSmokeSensor": { + "description": "A device that senses or detects smoke.", "properties": { "AccuracyOfSmokeSensor": { "description": "The accuracy of the sensor" @@ -5333,6 +5576,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_SensorTypeSmokeSensor.xml" }, "Pset_SensorTypeSoundSensor": { + "description": "A device that senses or detects sound.", "properties": { "SoundSensorAccuracy": { "description": "The accuracy of the sensor." @@ -5350,6 +5594,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_SensorTypeSoundSensor.xml" }, "Pset_SensorTypeTemperatureSensor": { + "description": "A device that senses or detects temperature.", "properties": { "AccuracyOfTemperatureSensor": { "description": "The accuracy of the sensor" @@ -5370,6 +5615,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcBuildingControlsDomain/Pset_SensorTypeTemperatureSensor.xml" }, "Pset_SiteCommon": { + "description": "Properties common to the definition of all occurrences of IfcSite. Please note that several site attributes are handled directly at the IfcSite instance, the site number (or short name) by IfcSite.Name, the site name (or long name) by IfcSite.LongName, and the description (or comments) by IfcSite.Description. The land title number is also given as an explicit attribute IfcSite.LandTitleNumber. Actual site quantities, like site perimeter, site area and site volume are provided by IfcElementQuantities, and site classification according to national building code by IfcClassificationReference. The global positioning of the site in terms of Northing and Easting and height above sea level datum is given by IfcSite.RefLongitude, IfcSite.RefLatitude, IfcSite.RefElevation and the postal address by IfcSite.SiteAddress.", "properties": { "BuildableArea": { "description": "The area of utilization expressed as a minimum value and a maximum value - according to local building codes." @@ -5384,6 +5630,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcProductExtension/Pset_SiteCommon.xml" }, "Pset_SlabCommon": { + "description": "Properties common to the definition of all occurrences of IfcSlab. Note: Properties for PitchAngle added in IFC 2x3", "properties": { "AcousticRating": { "description": "Acoustic rating for this object. It is giving according to the national building code. It indicates the sound transmission resistance of this object by an index ration (instead of providing full sound absorbtion values" @@ -5419,6 +5666,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgElements/Pset_SlabCommon.xml" }, "Pset_SpaceCommon": { + "description": "Properties common to the definition of all occurrences of IfcSpace. Please note that several space attributes are handled directly at the IfcSpace instance, the space number (or short name) by IfcSpace.Name, the space name (or long name) by IfcSpace:LongName, and the description (or comments) by IfcSpace.Description. Actual space quantities, like space perimeter, space area and space volume are provided by IfcElementQuantities, and space classification according to national building code by IfcClassificationReference. The level above zero (relative to the building) for the slab row construction is provided by the IfcBuildingStorey.Elevation, the level above zero (relative to the building) for the floor finish is provided by the IfcSpace.ElevationWithFlooring.", "properties": { "Category": { "description": "Category of space usage or utilization of the area. It is defined according to the presiding national building code." @@ -5458,6 +5706,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcProductExtension/Pset_SpaceCommon.xml" }, "Pset_SpaceFireSafetyRequirements": { + "description": "Properties related to fire protection of spaces that apply to the occurrences of IfcSpace or IfcZone.", "properties": { "AirPressurization": { "description": "Indication whether the space is required to have pressurized air (TRUE) or not (FALSE)." @@ -5490,6 +5739,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcProductExtension/Pset_SpaceFireSafetyRequirements.xml" }, "Pset_SpaceHeaterPHistoryCommon": { + "description": "Space heater performance history common attributes.", "properties": { "AirResistanceCurve": { "description": "Air resistance curve (w/ fan only); Pressure = f ( flow rate)." @@ -5531,6 +5781,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_SpaceHeaterPHistoryCommon.xml" }, "Pset_SpaceHeaterTypeCommon": { + "description": "Space heater type common attributes. SoundLevel attribute deleted in IFC2x2 Pset Addendum: Use IfcSoundProperties instead.", "properties": { "BodyMass": { "description": "Overall body mass of the heater." @@ -5557,6 +5808,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_SpaceHeaterTypeCommon.xml" }, "Pset_SpaceHeaterTypeHydronic": { + "description": "Hydronic space heater type common attributes. WaterProperties attribute deleted in IFC2x2 Pset Addendum: Use IfcWaterProperties instead.", "properties": { "TubingLength": { "description": "Water tube length inside the component." @@ -5568,6 +5820,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_SpaceHeaterTypeHydronic.xml" }, "Pset_SpaceLightingRequirements": { + "description": "Properties related to the lighting requirements that apply to the occurrences of IfcSpace or IfcZone. This includes the required artificial lighting, illuminance, etc.", "properties": { "ArtificialLighting": { "description": "Indication whether this space requires artificial lighting (as natural lighting would be not sufficient). (TRUE) indicates yes (FALSE) otherwise." @@ -5579,6 +5832,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcProductExtension/Pset_SpaceLightingRequirements.xml" }, "Pset_SpaceOccupancyRequirements": { + "description": "Properties concerning work activities occurring or expected to occur within one or a set of similar spatial structure elements.", "properties": { "AreaPerOccupant": { "description": "Design occupancy loading for this type of usage assigned to this space." @@ -5605,6 +5859,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcProductExtension/Pset_SpaceOccupancyRequirements.xml" }, "Pset_SpaceParking": { + "description": "Properties common to the definition of all occurrences of IfcSpace which have an attribute value for ObjectType = 'Parking'. NOTE: Modified in IFC 2x3, properties ParkingUse and ParkingUnits added.", "properties": { "HandicapAccessible": { "description": "Indication that this object is designed to be accessible by the handicapped. It is giving according to the requirements of the national building code." @@ -5619,6 +5874,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcProductExtension/Pset_SpaceParking.xml" }, "Pset_SpaceParkingAisle": { + "description": "Properties common to the definition of all occurrences of IfcSpace which have an attribute value for ObjectType = 'ParkingAisle'.", "properties": { "IsOneWay": { "description": "Indicates whether the parking aisle is designed for oneway traffic (TRUE) or twoway traffic (FALSE)." @@ -5627,6 +5883,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcProductExtension/Pset_SpaceParkingAisle.xml" }, "Pset_SpaceProgramCommon": { + "description": "Properties common to the definition of all instances of IfcSpaceProgram", "properties": { "EmployeeType": { "description": "General description of the employee type that will occupy the space (e.g. manager, programmer, secretary, etc.). The type classification depends on the company based terms for employee types." @@ -5659,6 +5916,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcArchitectureDomain/Pset_SpaceProgramCommon.xml" }, "Pset_SpaceThermalDesign": { + "description": "Space or zone HVAC design requirements.", "properties": { "BoundaryAreaHeatLoss": { "description": "Heat loss per unit area for the boundary object. This is a design input value for use in the absence of calculated load data." @@ -5703,6 +5961,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_SpaceThermalDesign.xml" }, "Pset_SpaceThermalPHistory": { + "description": "Thermal and air flow conditions of a space or zone.", "properties": { "CoolingAirFlowRate": { "description": "Cooling air flow rate in the space." @@ -5726,6 +5985,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_SpaceThermalPHistory.xml" }, "Pset_SpaceThermalRequirements": { + "description": "Properties related to the comfort requirements for thermal and other thermal related performances of spaces that apply to the occurrences of IfcSpace or IfcZone. This includes the required design temperature, humidity, and air conditioning.", "properties": { "AirConditioning": { "description": "Indication whether this space requires air conditioning provided (TRUE) or not (FALSE)." @@ -5776,6 +6036,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcProductExtension/Pset_SpaceThermalRequirements.xml" }, "Pset_StairCommon": { + "description": "Properties common to the definition of all occurrences of IfcStair.", "properties": { "FireExit": { "description": "Indication whether this object is designed to serve as an exit in the case of fire (TRUE) or not (FALSE). Here it defines an exit stair in accordance to the national building code." @@ -5814,6 +6075,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgElements/Pset_StairCommon.xml" }, "Pset_StairFlightCommon": { + "description": "Properties common to the definition of all occurrences of IfcStairFlight.", "properties": { "Headroom": { "description": "Actual headroom clearance for the passageway according to the current design. The shape information is provided in addition to the shape representation and the geometric parameters used within. In cases of inconsistency between the geometric parameters and the shape properties, provided in the attached property, the geometric parameters take precedence." @@ -5852,6 +6114,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgElements/Pset_StairFlightCommon.xml" }, "Pset_SwitchingDeviceTypeCommon": { + "description": "Definition from IEC 441-14-01: A switching device is a device designed to make or break the current in one or more electric circuits.", "properties": { "HasLock": { "description": "Indication of whether a switching device has a key operated lock (=TRUE) or not (= FALSE)" @@ -5866,6 +6129,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_SwitchingDeviceTypeCommon.xml" }, "Pset_SwitchingDeviceTypeContactor": { + "description": "An electrical device used to control the flow of power in a circuit on or off.", "properties": { "ContactorType": { "description": "A list of the available types of contactor from which that required may be selected where:" @@ -5874,6 +6138,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_SwitchingDeviceTypeContactor.xml" }, "Pset_SwitchingDeviceTypeEmergencyStop": { + "description": "Definition from IEC 826-08-03: An emergency stop device acts to remove as quickly as possible any danger that may have arisen unexpectedly.", "properties": { "SwitchOperation": { "description": "Indicates operation of emergency stop switch." @@ -5882,6 +6147,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_SwitchingDeviceTypeEmergencyStop.xml" }, "Pset_SwitchingDeviceTypeStarter": { + "description": "A starter is a switch which in the closed position controls the application of power to an electrical device.", "properties": { "StarterType": { "description": "A list of the available types of starter from which that required may be selected where:" @@ -5890,6 +6156,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_SwitchingDeviceTypeStarter.xml" }, "Pset_SwitchingDeviceTypeSwitchDisconnector": { + "description": "Definition from IEC 441-14-12: A switch disconnector is a switch which in the open position satisfies the isolating requirements specified for a disconnector.", "properties": { "HasVisualIndication": { "description": "Indicates whether a means of being to visually ascertain whether the contacts are open or closed is fitted (= TRUE) or not (= FALSE)" @@ -5904,6 +6171,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_SwitchingDeviceTypeSwitchDisconnector.xml" }, "Pset_SwitchingDeviceTypeToggleSwitch": { + "description": "A toggle switch is a switch that enables or isolates electrical power through a two position on/off action..", "properties": { "IsIlluminated": { "description": "An indication of whether there is an illuminated indicator to show that the switch is on (=TRUE) or not (= FALSE)." @@ -5924,6 +6192,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_SwitchingDeviceTypeToggleSwitch.xml" }, "Pset_SystemFurnitureElementTypeCommon": { + "description": "Common properties for all systems furniture (I.e. modular furniture) element types (e.g. vertical panels, work surfaces, and storage).", "properties": { "Finishing": { "description": "The finishing applied to system furniture elements of this type e.g. walnut, fabric." @@ -5944,6 +6213,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedFacilitiesElements/Pset_SystemFurnitureElementTypeCommon.xml" }, "Pset_SystemFurnitureElementTypePanel": { + "description": "A set of specific properties for vertical panels that assembly workstations..", "properties": { "FurniturePanelType": { "description": "Available panel types from which that required may be selected." @@ -5958,6 +6228,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedFacilitiesElements/Pset_SystemFurnitureElementTypePanel.xml" }, "Pset_SystemFurnitureElementTypeWorkSurface": { + "description": "A set of specific properties for work surfaces used in workstations.", "properties": { "HangingHeight": { "description": "The hanging height of the worksurface." @@ -5978,6 +6249,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedFacilitiesElements/Pset_SystemFurnitureElementTypeWorkSurface.xml" }, "Pset_TankTypeCommon": { + "description": "Common attributes of a tank type.", "properties": { "AccessType": { "description": "Defines the types of access (or cover) to a tank that may be specified." @@ -6013,6 +6285,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_TankTypeCommon.xml" }, "Pset_TankTypeExpansion": { + "description": "Common attributes of an expansion type tank.", "properties": { "ChargePressure": { "description": "Nominal or design operating pressure of the tank." @@ -6027,6 +6300,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_TankTypeExpansion.xml" }, "Pset_TankTypePreformed": { + "description": "Fixed vessel manufactured as a single unit with one or more compartments for storing a liquid.", "properties": { "EndShapeType": { "description": "Defines the types of end shapes that can be used for preformed tanks. The convention for reading these enumerated values is that for a vertical cylinder, the first value is the base and the second is the top; for a horizontal cylinder, the order of reading should be left to right. For a speherical tank, the value UNSET should be used." @@ -6044,6 +6318,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_TankTypePreformed.xml" }, "Pset_TankTypePressureVessel": { + "description": "Common attributes of a pressure vessel.", "properties": { "ChargePressure": { "description": "Nominal or design operating pressure of the tank." @@ -6058,6 +6333,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_TankTypePressureVessel.xml" }, "Pset_TankTypeSectional": { + "description": "Fixed vessel constructed from sectional parts with one or more compartments for storing a liquid.", "properties": { "NumberOfSections": { "description": "Number of sections used in the construction of the tank" @@ -6072,6 +6348,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_TankTypeSectional.xml" }, "Pset_ThermalLoadAggregate": { + "description": "The aggregated thermal loads experienced by one or many spaces, zones, or buildings. This aggregate thermal load information is typically addressed by a system or plant.", "properties": { "ApplianceDiversity": { "description": "Diversity of appliance load." @@ -6098,6 +6375,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_ThermalLoadAggregate.xml" }, "Pset_ThermalLoadDesignCriteria": { + "description": "Building thermal load design data that are used for calculating thermal loads in a space or building.", "properties": { "AppliancePercentLoadToRadiant": { "description": "Percent of sensible load to radiant heat." @@ -6121,6 +6399,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_ThermalLoadDesignCriteria.xml" }, "Pset_TransformerTypeCommon": { + "description": "An inductive stationary device that transfers electrical energy from one circuit to another.", "properties": { "MaximumApparentPower": { "description": "Maximum apparent power/capacity in VA (volt ampere)." @@ -6156,6 +6435,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcElectricalDomain/Pset_TransformerTypeCommon.xml" }, "Pset_TransportElementCommon": { + "description": "Properties common to the definition of all occurrences of IfcTransportElement.", "properties": { "FireExit": { "description": "Indication whether this object is designed to serve as an exit in the case of fire (TRUE) or not (FALSE). Here whether the transport element (in case of e.g., a lift) is designed to serve as a fire exit, e.g., for fire escape purposes." @@ -6167,6 +6447,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcProductExtension/Pset_TransportElementCommon.xml" }, "Pset_TransportElementElevator": { + "description": "Properties common to the definition of all occurrences of IfcTransportElement with the predefined type =\"ELEVATOR\"", "properties": { "ClearDepth": { "description": "Clear depth of the object (elevator). It indicates the distance from the inner surface of the elevator door to the opposite surface of the elevator car. The shape information is provided in addition to the shape representation and the geometric parameters used within. In cases of inconsistency between the geometric parameters and the shape properties, provided in the attached property, the geometric parameters take precedence." @@ -6181,6 +6462,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcProductExtension/Pset_TransportElementElevator.xml" }, "Pset_TubeBundleTypeCommon": { + "description": "Tube bundle type common attributes.", "properties": { "FoulingFactor": { "description": "Fouling factor of the tubes in the tube bundle." @@ -6231,6 +6513,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_TubeBundleTypeCommon.xml" }, "Pset_TubeBundleTypeFinned": { + "description": "Finned tube bundle type attributes. Contains the attributes related to the fins attached to a tube in a finned tube bundle such as is commonly found in coils.", "properties": { "Diameter": { "description": "Actual diameter of a fin for circular fins only." @@ -6263,6 +6546,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_TubeBundleTypeFinned.xml" }, "Pset_UnitaryEquipmentTypeAirConditioningUnit": { + "description": "Air conditioning unit equipment type attributes. Note that these attributes were formely Pset_PackagedACUnit prior to IFC2x2. HeatingEnergySource attribute deleted in IFC2x2 Pset Addendum: Use IfcEnergyProperties, IfcFuelProperties, etc. instead.", "properties": { "CondenserEnteringTemperature": { "description": "Temperature of fluid entering condenser per manufacturer's listing (if available)" @@ -6295,6 +6579,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_UnitaryEquipmentTypeAirConditioningUnit.xml" }, "Pset_UnitaryEquipmentTypeAirHandler": { + "description": "Air handler unitary equipment type attributes. Note that these attributes were formerly Pset_AirHandler prior to IFC2x2.", "properties": { "AirHandlerConstruction": { "description": "Enumeration defining how the air handler might be fabricated." @@ -6309,6 +6594,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_UnitaryEquipmentTypeAirHandler.xml" }, "Pset_UtilityConsumption": { + "description": "Consumption of utility resources, typically applied to the IfcBuilding instance, used to identify how much was consumed on I.e., a monthly basis.", "properties": { "Electricity": { "description": "The amount of electricity consumed during the period specified in the time series." @@ -6329,6 +6615,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgServiceElements/Pset_UtilityConsumption.xml" }, "Pset_ValvePHistory": { + "description": "Valve performance history common attributes of a typical 2 port pattern type valve.", "properties": { "MeasuredFlowRate": { "description": "The rate of flow of a fluid measured across the valve." @@ -6343,6 +6630,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_ValvePHistory.xml" }, "Pset_ValveTypeAirRelease": { + "description": "Valve used to release air from a pipe or fitting. Note that an air release valve is constrained to have a single port pattern", "properties": { "IsAutomatic": { "description": "Indication of whether the valve is automatically operated (TRUE) or manually operated (FALSE)" @@ -6351,6 +6639,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_ValveTypeAirRelease.xml" }, "Pset_ValveTypeCommon": { + "description": "Valve type common attributes.", "properties": { "BodyMaterial": { "description": "Material from which the body of the valve is constructed" @@ -6386,6 +6675,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_ValveTypeCommon.xml" }, "Pset_ValveTypeDrawOffCock": { + "description": "Definition from BS6100 250 6223: A small diameter valve, used to drain water from a cistern or water filled system.", "properties": { "HasHoseUnion": { "description": "Indicates whether the drawoff cock is fitted with a hose union connection (= TRUE) or not (= FALSE)" @@ -6394,6 +6684,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_ValveTypeDrawOffCock.xml" }, "Pset_ValveTypeFaucet": { + "description": "Definition from BS6100: A small diameter valve, with a free outlet, from which water is drawn.", "properties": { "FaucetFunction": { "description": "Defines the operating temperature of a faucet that may be specified." @@ -6414,6 +6705,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_ValveTypeFaucet.xml" }, "Pset_ValveTypeFlushing": { + "description": "Valve that flushes a predetermined quantity of water to cleanse a WC, urinal or slop hopper. Note that a flushing valve is constrained to have a 2 port pattern.", "properties": { "FlushingRate": { "description": "The predetermined quantity of water to be flushed" @@ -6428,6 +6720,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_ValveTypeFlushing.xml" }, "Pset_ValveTypeGasTap": { + "description": "A small diameter valve, used to discharge gas from a system.", "properties": { "HasHoseUnion": { "description": "Indicates whether the gas tap is fitted with a hose union connection (= TRUE) or not (= FALSE)" @@ -6436,6 +6729,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_ValveTypeGasTap.xml" }, "Pset_ValveTypeIsolating": { + "description": "Valve that is used to isolate system components. Note that an isolating valve is constrained to have a 2 port pattern.", "properties": { "IsNormallyOpen": { "description": "If TRUE, the valve is normally open. If FALSE is is normally closed." @@ -6447,6 +6741,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_ValveTypeIsolating.xml" }, "Pset_ValveTypeMixing": { + "description": "A valve where typically the temperature of the outlet is determined by mixing hot and cold water inlet flows.", "properties": { "MixerControl": { "description": "Defines the form of control of the mixing valve." @@ -6458,6 +6753,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_ValveTypeMixing.xml" }, "Pset_ValveTypePressureReducing": { + "description": "Valve that reduces the pressure of a fluid immediately downstream of its position in a pipeline to a preselected value or by a predetermined ratio. Note that a pressure reducing valve is constrained to have a 2 port pattern.", "properties": { "DownstreamPressure": { "description": "The operating pressure of the fluid downstream of the pressure reducing valve" @@ -6469,6 +6765,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_ValveTypePressureReducing.xml" }, "Pset_ValveTypePressureRelief": { + "description": "Spring or weight loaded valve that automatically discharges to a safe place fluid that has built up to excessive pressure in pipes or fittings. Note that a pressure relief valve is constrained to have a single port pattern.", "properties": { "ReliefPressure": { "description": "The pressure at which the spring or weight in the valve is set to discharge fluid" @@ -6477,6 +6774,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_ValveTypePressureRelief.xml" }, "Pset_VibrationIsolatorTypeCommon": { + "description": "Vibration isolator type common attributes.", "properties": { "Height": { "description": "Height of the vibration isolator before tha application of load." @@ -6500,6 +6798,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcHvacDomain/Pset_VibrationIsolatorTypeCommon.xml" }, "Pset_WallCommon": { + "description": "Properties common to the definition of all occurrences of IfcWall and IfcWallStandardCase.", "properties": { "AcousticRating": { "description": "Acoustic rating for this object. It is giving according to the national building code. It indicates the sound transmission resistance of this object by an index ration (instead of providing full sound absorbtion values)." @@ -6535,6 +6834,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgElements/Pset_WallCommon.xml" }, "Pset_WasteTerminalTypeFloorTrap": { + "description": "Pipe fitting, set into the floor, that retains liquid to prevent the passage of foul air.", "properties": { "BodyMaterial": { "description": "The primary material used to construct the object" @@ -6582,6 +6882,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_WasteTerminalTypeFloorTrap.xml" }, "Pset_WasteTerminalTypeFloorWaste": { + "description": "Pipe fitting, set into the floor, that collects waste water and discharges it to a separate trap.", "properties": { "BodyMaterial": { "description": "The primary material used to construct the object" @@ -6611,6 +6912,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_WasteTerminalTypeFloorWaste.xml" }, "Pset_WasteTerminalTypeGreaseInterceptor": { + "description": "Chamber, on the line of a drain or discharge pipe, that prevents grease passing into a drainage system (BS6100 330 6205).", "properties": { "BodyDepth": { "description": "Nominal or quoted length, measured along the z-axis of the local coordinate system of the object, of the body of the object." @@ -6652,6 +6954,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_WasteTerminalTypeGreaseInterceptor.xml" }, "Pset_WasteTerminalTypeGullySump": { + "description": "Pipe fitting or assembly of fittings to receive surface water or waste water, fitted with a grating or sealed cover.", "properties": { "BackInletPatternType": { "description": "Identifies the pattern of inlet connections to a gully trap." @@ -6693,6 +6996,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_WasteTerminalTypeGullySump.xml" }, "Pset_WasteTerminalTypeGullyTrap": { + "description": "Pipe fitting or assembly of fittings to receive surface water or waste water, fitted with a grating or sealed cover and discharging through a trap (BS6100 330 3504 modified)", "properties": { "BackInletPatternType": { "description": "Identifies the pattern of inlet connections to a gully trap." @@ -6737,6 +7041,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_WasteTerminalTypeGullyTrap.xml" }, "Pset_WasteTerminalTypeOilInterceptor": { + "description": "One or more chambers arranged to prevent the ingress of oil to a drain or sewer, that retain the oil for later removal (BS6100 330 67316).", "properties": { "BodyMaterial": { "description": "The material from which the object is constructed." @@ -6769,6 +7074,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_WasteTerminalTypeOilInterceptor.xml" }, "Pset_WasteTerminalTypePetrolInterceptor": { + "description": "Two or more chambers with inlet and outlet pipes arranged to allow petrol/gasoline collected on the surface of water drained into them to evaporate through ventilating pipes.", "properties": { "BodyMaterial": { "description": "The material from which the object is constructed." @@ -6804,6 +7110,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_WasteTerminalTypePetrolInterceptor.xml" }, "Pset_WasteTerminalTypeRoofDrain": { + "description": "Pipe fitting, set into the roof, that collects rainwater for discharge into the rainwater system.", "properties": { "BodyMaterial": { "description": "The primary material used to construct the object" @@ -6833,6 +7140,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_WasteTerminalTypeRoofDrain.xml" }, "Pset_WasteTerminalTypeWasteDisposalUnit": { + "description": "Electrically operated device that reduces kitchen or other waste into fragments small enough to be flushed into a drainage system.", "properties": { "DrainConnectionSize": { "description": "Size of the drain connection inlet to the waste disposal unit." @@ -6847,6 +7155,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_WasteTerminalTypeWasteDisposalUnit.xml" }, "Pset_WasteTerminalTypeWasteTrap": { + "description": "Pipe fitting, set adjacent to a sanitary terminal, that retains liquid to prevent the passage of foul air.", "properties": { "InletConnectionSize": { "description": "Size of the inlet connection(s), where used, of the inlet connections." @@ -6861,6 +7170,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcPlumbingFireProtectionDomain/Pset_WasteTerminalTypeWasteTrap.xml" }, "Pset_WindowCommon": { + "description": "Properties common to the definition of all occurrences of Window.", "properties": { "AcousticRating": { "description": "Acoustic rating for this object. It is giving according to the national building code. It indicates the sound transmission resistance of this object by an index ration (instead of providing full sound absorbtion values)." @@ -6893,6 +7203,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/psd/IfcSharedBldgElements/Pset_WindowCommon.xml" }, "Pset_ZoneCommon": { + "description": "Properties common to the definition of all occurrences of IfcZone.", "properties": { "Category": { "description": "Category of space usage or utilization of the area. It is defined according to the presiding national building code." diff --git a/src/ifcopenshell-python/ifcopenshell/util/schema/ifc4_properties.json b/src/ifcopenshell-python/ifcopenshell/util/schema/ifc4_properties.json index ab84c8e6bc..16db2f158c 100644 --- a/src/ifcopenshell-python/ifcopenshell/util/schema/ifc4_properties.json +++ b/src/ifcopenshell-python/ifcopenshell/util/schema/ifc4_properties.json @@ -1,5 +1,6 @@ { "Pset_ActionRequest": { + "description": "An action request is a request for an action to fulfill a need.", "properties": { "RequestComments": { "description": "Comments that may be made on the request." @@ -14,6 +15,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedmgmtelements/pset/pset_actionrequest.htm" }, "Pset_ActorCommon": { + "description": "A property set that enables further classification of actors, including the ability to give a number of actors to be designated as a population, the number being specified as a property to be dealt with as a single value rather than having to aggregate a number of instances of IfcActor.", "properties": { "Category": { "description": "Designation of the category into which the actors in the population belong." @@ -28,6 +30,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifckernel/pset/pset_actorcommon.htm" }, "Pset_ActuatorPHistory": { + "description": "Properties for history of actuators.", "properties": { "Position": { "description": "Indicates position of the actuator over time where 0.0 is fully closed and 1.0 is fully open." @@ -42,6 +45,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_actuatorphistory.htm" }, "Pset_ActuatorTypeCommon": { + "description": "Actuator type common attributes.", "properties": { "Application": { "description": "Indicates application of actuator." @@ -62,6 +66,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_actuatortypecommon.htm" }, "Pset_ActuatorTypeElectricActuator": { + "description": "A device that electrically actuates a control element.", "properties": { "ActuatorInputPower": { "description": "Maximum input power requirement." @@ -73,6 +78,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_actuatortypeelectricactuator.htm" }, "Pset_ActuatorTypeHydraulicActuator": { + "description": "A device that hydraulically actuates a control element.", "properties": { "InputFlowrate": { "description": "Maximum hydraulic flowrate requirement." @@ -84,6 +90,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_actuatortypehydraulicactuator.htm" }, "Pset_ActuatorTypeLinearActuation": { + "description": "Characteristics of linear actuation of an actuator History: Replaces Pset_LinearActuator", "properties": { "Force": { "description": "Indicates the maximum close-off force for the actuator." @@ -95,6 +102,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_actuatortypelinearactuation.htm" }, "Pset_ActuatorTypePneumaticActuator": { + "description": "A device that pneumatically actuates a control element", "properties": { "InputFlowrate": { "description": "Maximum input control air flowrate requirement." @@ -106,6 +114,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_actuatortypepneumaticactuator.htm" }, "Pset_ActuatorTypeRotationalActuation": { + "description": "Characteristics of rotational actuation of an actuator History: Replaces Pset_RotationalActuator", "properties": { "RangeAngle": { "description": "Indicates the maximum rotation the actuator must traverse." @@ -117,6 +126,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_actuatortyperotationalactuation.htm" }, "Pset_AirSideSystemInformation": { + "description": "Attributes that apply to an air side HVAC system.", "properties": { "AirSideSystemDistributionType": { "description": "This enumeration defines the basic types of air side systems (e.g., SingleDuct, DualDuct, Multizone, etc.)." @@ -176,6 +186,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_airsidesysteminformation.htm" }, "Pset_AirTerminalBoxPHistory": { + "description": "Air terminal box performance history attributes.", "properties": { "AirflowCurve": { "description": "Air flowrate versus damper position relationship;airflow = f ( valve position)." @@ -193,6 +204,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_airterminalboxphistory.htm" }, "Pset_AirTerminalBoxTypeCommon": { + "description": "Air terminal box type common attributes.", "properties": { "AirPressureRange": { "description": "Allowable air static pressure range at the entrance of the air terminal box." @@ -243,6 +255,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_airterminalboxtypecommon.htm" }, "Pset_AirTerminalOccurrence": { + "description": "Air terminal occurrence attributes attached to an instance of IfcAirTerminal.", "properties": { "AirFlowRate": { "description": "The actual airflow rate as designed." @@ -257,6 +270,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_airterminaloccurrence.htm" }, "Pset_AirTerminalPHistory": { + "description": "Air terminal performance history common attributes.", "properties": { "AirFlowRate": { "description": "Volumetric flow rate." @@ -283,6 +297,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_airterminalphistory.htm" }, "Pset_AirTerminalTypeCommon": { + "description": "Air terminal type common attributes. SoundLevel attribute deleted in IFC2x2 Pset Addendum: Use IfcSoundProperties instead.", "properties": { "AirDiffusionPerformanceIndex": { "description": "The Air Diffusion Performance Index (ADPI) is used for cooling mode conditions. If several measurements of air velocity and air temperature are made throughout the occupied zone of a space, the ADPI is the percentage of locations where measurements were taken that meet the specifications for effective draft temperature and air velocity." @@ -366,6 +381,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_airterminaltypecommon.htm" }, "Pset_AirToAirHeatRecoveryPHistory": { + "description": "Air to Air Heat Recovery performance history common attributes.", "properties": { "AirPressureDropCurves": { "description": "Air pressure drop as function of air flow rate." @@ -404,6 +420,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_airtoairheatrecoveryphistory.htm" }, "Pset_AirToAirHeatRecoveryTypeCommon": { + "description": "Air to Air Heat Recovery type common attributes.", "properties": { "HasDefrost": { "description": "has the heat exchanger has defrost function or not." @@ -430,6 +447,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_airtoairheatrecoverytypecommon.htm" }, "Pset_AlarmPHistory": { + "description": "Properties for history of alarm values.", "properties": { "Acknowledge": { "description": "Indicates acknowledgement status where False indicates acknowlegement is required and outstanding, True indicates condition has been acknowedged, and Unknown indicates no acknowledgement is required. Upon resetting the condition, then acknowledgement reverts to Unknown." @@ -450,6 +468,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_alarmphistory.htm" }, "Pset_AlarmTypeCommon": { + "description": "Alarm type common attributes.", "properties": { "Condition": { "description": "Table mapping alarm condition identifiers to descriptive labels, which may be used for interpreting Pset_AlarmPHistory.Condition." @@ -464,6 +483,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_alarmtypecommon.htm" }, "Pset_AnnotationContourLine": { + "description": "Specifies parameters of a standard curve that has a single, consistent measure value.", "properties": { "ContourValue": { "description": "Value of the elevation of the contour above or below a reference plane." @@ -472,6 +492,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/pset/pset_annotationcontourline.htm" }, "Pset_AnnotationLineOfSight": { + "description": "Specifies the properties of the line of sight at a point of connection between two elements. Typically used to define the line of sight visibility at the junction between two roads (particularly between an access road and a public road).", "properties": { "RoadVisibleDistanceLeft": { "description": "Distance visible to the left of the access." @@ -492,6 +513,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/pset/pset_annotationlineofsight.htm" }, "Pset_AnnotationSurveyArea": { + "description": "Specifies particular properties of survey methods to be assigned to survey point set or resulting surface patches", "properties": { "AccuracyQualityExpected": { "description": "A measure of the accuracy quality of survey points as expected expressed in percentage terms." @@ -506,6 +528,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/pset/pset_annotationsurveyarea.htm" }, "Pset_Asset": { + "description": "An asset is a uniquely identifiable element which has a financial value and against which maintenance actions are recorded.", "properties": { "AssetAccountingType": { "description": "Identifies the predefined types of risk from which the type required may be set." @@ -520,6 +543,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedfacilitieselements/pset/pset_asset.htm" }, "Pset_AudioVisualAppliancePHistory": { + "description": "Captures realtime information for audio-video devices, such as for security camera footage and retail information displays.", "properties": { "AudioVolume": { "description": "Indicates the audio volume level where the integer level corresponds to an entry or interpolation within Pset_AudioVisualApplianceTypeCommon.AudioVolume." @@ -537,6 +561,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_audiovisualappliancephistory.htm" }, "Pset_AudioVisualApplianceTypeAmplifier": { + "description": "An audio-visual amplifier is a device that renders audio from a single external source connected from a port.", "properties": { "AmplifierType": { "description": "Indicates the type of amplifier." @@ -551,6 +576,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_audiovisualappliancetypeamplifier.htm" }, "Pset_AudioVisualApplianceTypeCamera": { + "description": "An audio-visual camera is a device that captures video, such as for security.", "properties": { "CameraType": { "description": "Indicates the type of camera." @@ -592,6 +618,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_audiovisualappliancetypecamera.htm" }, "Pset_AudioVisualApplianceTypeCommon": { + "description": "An audio-visual appliance is a device that renders or captures audio and/or video.", "properties": { "AudioVolume": { "description": "Indicates discrete audio volume levels and corresponding sound power offsets, if applicable. Missing values may be interpolated." @@ -609,6 +636,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_audiovisualappliancetypecommon.htm" }, "Pset_AudioVisualApplianceTypeDisplay": { + "description": "An audio-visual display is a device that renders video from a screen.", "properties": { "AudioMode": { "description": "Indicates audio sound modes and corresponding labels, if applicable." @@ -656,6 +684,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_audiovisualappliancetypedisplay.htm" }, "Pset_AudioVisualApplianceTypePlayer": { + "description": "An audio-visual player is a device that plays stored media into a stream of audio and/or video, such as camera footage in security systems, background audio in retail areas, or media presentations in conference rooms or theatres.", "properties": { "PlayerMediaEject": { "description": "Indicates whether the media can be ejected from the player (if physical media)." @@ -670,6 +699,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_audiovisualappliancetypeplayer.htm" }, "Pset_AudioVisualApplianceTypeProjector": { + "description": "An audio-visual projector is a device that projects video to a surface.", "properties": { "ProjectorType": { "description": "Indicates the type of projector." @@ -693,6 +723,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_audiovisualappliancetypeprojector.htm" }, "Pset_AudioVisualApplianceTypeReceiver": { + "description": "An audio-visual receiver is a device that switches audio and/or video from multiple sources, including external sources connected from ports and internal aggregated sources.", "properties": { "AudioAmplification": { "description": "Indicates audio amplification frequency ranges." @@ -707,6 +738,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_audiovisualappliancetypereceiver.htm" }, "Pset_AudioVisualApplianceTypeSpeaker": { + "description": "An audio-visual speaker is a device that converts amplified audio signals into sound waves.", "properties": { "FrequencyResponse": { "description": "Indicates the output over a specified range of frequencies." @@ -727,6 +759,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_audiovisualappliancetypespeaker.htm" }, "Pset_AudioVisualApplianceTypeTuner": { + "description": "An audio-visual tuner is a device that demodulates a signal into a stream of audio and/or video.", "properties": { "TunerChannel": { "description": "Indicates the tuner channels, if applicable." @@ -744,6 +777,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_audiovisualappliancetypetuner.htm" }, "Pset_BeamCommon": { + "description": "Properties common to the definition of all occurrence and type objects of beam.", "properties": { "FireRating": { "description": "Fire rating for the element. It is given according to the national fire safety classification." @@ -776,6 +810,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/pset/pset_beamcommon.htm" }, "Pset_BoilerPHistory": { + "description": "Boiler performance history common attributes. WaterQuality attribute deleted in IFC2x2 Pset Addendum: Use IfcWaterProperties instead. CombustionProductsMaximulLoad and CombustionProductsPartialLoad attributes deleted in IFC2x2 Pset Addendum: Use IfcProductsOfCombustionProperties instead.", "properties": { "AuxiliaryEnergyConsumption": { "description": "Boiler secondary energy source consumption (i.e., the electricity consumed by electrical devices such as fans and pumps)." @@ -808,6 +843,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_boilerphistory.htm" }, "Pset_BoilerTypeCommon": { + "description": "Boiler type common attributes. SoundLevel attribute deleted in IFC2x2 Pset Addendum: Use IfcSoundProperties instead. PrimaryEnergySource and AuxiliaryEnergySource attributes deleted in IFC2x2 Pset Addendum: Use IfcEnergyProperties, IfcFuelProperties, etc. instead.", "properties": { "EnergySource": { "description": "Enumeration defining the energy source or fuel cumbusted to generate heat." @@ -852,6 +888,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_boilertypecommon.htm" }, "Pset_BoilerTypeSteam": { + "description": "Steam boiler type common attributes.", "properties": { "HeatOutput": { "description": "Total nominal heat output as listed by the Boiler manufacturer. For steam boilers, it is a function of inlet temperature versus steam pressure. Note: as two variables are used, DefiningValues and DefinedValues are null, and values are stored in IfcTable in the following order: InletTemperature(IfcThermodynamicTemperatureMeasure) and OutletTemperature(IfcThermodynamicTemperatureMeasure) in DefiningValues, and HeatOutput(IfcEnergyMeasure) in DefinedValues. For example, DefiningValues(InletTemp, OutletTemp), DefinedValues(null, HeatOutput). The IfcTable is related to IfcPropertyTableValue using IfcMetric and IfcPropertyConstraintRelationship." @@ -866,6 +903,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_boilertypesteam.htm" }, "Pset_BoilerTypeWater": { + "description": "Water boiler type common attributes.", "properties": { "HeatOutput": { "description": "Total nominal heat output as listed by the Boiler manufacturer. For water boilers, it is a function of inlet versus outlet temperature. For steam boilers, it is a function of inlet temperature versus steam pressure. Note: as two variables are used, DefiningValues and DefinedValues are null, and values are stored in IfcTable in the following order: InletTemperature(IfcThermodynamicTemperatureMeasure), OutletTemperature(IfcThermodynamicTemperatureMeasure), HeatOutput(IfcEnergyMeasure). The IfcTable is related to IfcPropertyTableValue using IfcMetric and IfcPropertyConstraintRelationship." @@ -877,6 +915,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_boilertypewater.htm" }, "Pset_BuildingCommon": { + "description": "Properties common to the definition of all instances of IfcBuilding. Please note that several building attributes are handled directly at the IfcBuilding instance, the building number (or short name) by IfcBuilding.Name, the building name (or long name) by IfcBuilding.LongName, and the description (or comments) by IfcBuilding.Description. Actual building quantities, like building perimeter, building area and building volume are provided by IfcElementQuantity, and the building classification according to national building code by IfcClassificationReference.", "properties": { "BuildingID": { "description": "A unique identifier assigned to a building. A temporary identifier is initially assigned at the time of making a planning application. This temporary identifier is changed to a permanent identifier when the building is registered into a statutory buildings and properties database." @@ -940,6 +979,7 @@ } }, "Pset_BuildingElementProxyCommon": { + "description": "Properties common to the definition of all instances of IfcBuildingElementProxy.", "properties": { "FireRating": { "description": "Fire rating for the element. It is given according to the national fire safety classification." @@ -963,6 +1003,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/pset/pset_buildingelementproxycommon.htm" }, "Pset_BuildingElementProxyProvisionForVoid": { + "description": "Properties common to the definition of a provision for void as a special type of an instance of IfcBuildingElementProxy. A provision for void is a spatial provision that might be resolved into a void in a building element. The properties carry requested values.", "properties": { "Depth": { "description": "The requested depth or thickness of the provision for void." @@ -986,6 +1027,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/pset/pset_buildingelementproxyprovisionforvoid.htm" }, "Pset_BuildingStoreyCommon": { + "description": "Properties common to the definition of all instances of IfcBuildingStorey. Please note that several building attributes are handled directly at the IfcBuildingStorey instance, the building storey number (or short name) by IfcBuildingStorey.Name, the building storey name (or long name) by IfcBuildingStorey.LongName, and the description (or comments) by IfcBuildingStorey.Description. Actual building storey quantities, like building storey perimeter, building storey area and building storey volume are provided by IfcElementQuantity, and the building storey classification according to national building code by IfcClassificationReference.", "properties": { "AboveGround": { "description": "Indication whether this building storey is fully above ground (TRUE), or below ground (FALSE), or partially above and below ground (UNKNOWN) - as in sloped terrain." @@ -1015,6 +1057,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/pset/pset_buildingstoreycommon.htm" }, "Pset_BuildingSystemCommon": { + "description": "Properties common to the definition of building systems.", "properties": { "Reference": { "description": "Reference ID for this specified instance of building system in this project (e.g. 'TRA/EL1'), The reference values depend on the local code of practice." @@ -1023,6 +1066,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/pset/pset_buildingsystemcommon.htm" }, "Pset_BuildingUse": { + "description": "Provides information on on the real estate context of the building of interest both current and anticipated.", "properties": { "MarketCategory": { "description": "Category of use e.g. residential, commercial, recreation etc." @@ -1064,6 +1108,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/pset/pset_buildinguse.htm" }, "Pset_BuildingUseAdjacent": { + "description": "Provides information on adjacent buildings and their uses to enable their impact on the building of interest to be determined. Note that for each instance of the property set used, where there is an existence of risk, there will be an instance of the property set Pset_Risk (q.v).", "properties": { "MarketCategory": { "description": "Category of use e.g. residential, commercial, recreation etc." @@ -1081,6 +1126,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/pset/pset_buildinguseadjacent.htm" }, "Pset_BurnerTypeCommon": { + "description": "Common attributes of burner types.", "properties": { "EnergySource": { "description": "Enumeration defining the energy source or fuel cumbusted to generate heat." @@ -1095,6 +1141,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_burnertypecommon.htm" }, "Pset_CableCarrierFittingTypeCommon": { + "description": "Common properties for cable carrier fittings.", "properties": { "Reference": { "description": "Reference ID for this specified type in this project (e.g. type 'A-1'), provided, if there is no classification reference to a recognized classification system used." @@ -1106,6 +1153,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_cablecarrierfittingtypecommon.htm" }, "Pset_CableCarrierSegmentTypeCableLadderSegment": { + "description": "An open carrier segment on which cables are carried on a ladder structure.", "properties": { "LadderConfiguration": { "description": "Description of the configuration of the ladder structure used." @@ -1120,6 +1168,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_cablecarriersegmenttypecableladdersegment.htm" }, "Pset_CableCarrierSegmentTypeCableTraySegment": { + "description": "An (typically) open carrier segment onto which cables are laid.", "properties": { "HasCover": { "description": "Indication of whether the cable tray has a cover (=TRUE) or not (= FALSE). By default, this value should be set to FALSE.." @@ -1134,6 +1183,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_cablecarriersegmenttypecabletraysegment.htm" }, "Pset_CableCarrierSegmentTypeCableTrunkingSegment": { + "description": "An enclosed carrier segment with one or more compartments into which cables are placed.", "properties": { "NominalHeight": { "description": "The nominal height of the segment." @@ -1148,6 +1198,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_cablecarriersegmenttypecabletrunkingsegment.htm" }, "Pset_CableCarrierSegmentTypeCommon": { + "description": "Common properties for cable carrier segments.", "properties": { "Reference": { "description": "Reference ID for this specified type in this project (e.g. type 'A-1'), provided, if there is no classification reference to a recognized classification system used." @@ -1159,6 +1210,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_cablecarriersegmenttypecommon.htm" }, "Pset_CableCarrierSegmentTypeConduitSegment": { + "description": "An enclosed tubular carrier segment through which cables are pulled.", "properties": { "ConduitShapeType": { "description": "The shape of the conduit segment." @@ -1176,6 +1228,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_cablecarriersegmenttypeconduitsegment.htm" }, "Pset_CableFittingTypeCommon": { + "description": "Common properties for cable fittings.", "properties": { "Reference": { "description": "Reference ID for this specified type in this project (e.g. type 'A-1'), provided, if there is no classification reference to a recognized classification system used." @@ -1187,6 +1240,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_cablefittingtypecommon.htm" }, "Pset_CableSegmentOccurrence": { + "description": "Properties for the occurrence of an electrical cable, core or conductor that conforms to a type as specified by an appropriate type definition within IFC. NOTE: Maximum allowed voltage drop should be derived from the property within Pset_ElectricalCircuit.", "properties": { "CarrierStackNumber": { "description": "Number of carrier segments (tray, ladder etc.) that are vertically stacked (vertical is measured as the z-axis of the local coordinate system of the carrier segment)." @@ -1234,6 +1288,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_cablesegmentoccurrence.htm" }, "Pset_CableSegmentTypeBusBarSegment": { + "description": "Properties specific to busbar cable segments.", "properties": { "IsHorizontalBusbar": { "description": "Indication of whether the busbar occurrences are routed horizontally (= TRUE) or vertically (= FALSE)." @@ -1242,6 +1297,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_cablesegmenttypebusbarsegment.htm" }, "Pset_CableSegmentTypeCableSegment": { + "description": "Electrical cable with a specific purpose to lead electric current within a circuit or any other electric construction. Includes all types of electric cables, mainly several electrical segments wrapped together, e.g. cable, tube, busbar. Note that the number of conductors within a cable is determined by an aggregation mechanism that aggregates the conductors within the cable. A single-core cable is defined in IEV 461-06-02 as being 'a cable having only one core'; a multiconductor cable is defined in IEV 461-06-03 as b eing 'a cable having more than one conductor, some of which may be uninsulated'; a mulicore cable is defined in IEV 461-06-04 as being 'a cable having more than one core'.", "properties": { "FunctionReliable": { "description": "Cable/bus maintain given properties/functions over a given (tested) time and conditions. According to IEC standard." @@ -1292,6 +1348,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_cablesegmenttypecablesegment.htm" }, "Pset_CableSegmentTypeCommon": { + "description": "Properties for the definitions of electrical cable segments.", "properties": { "Reference": { "description": "Reference ID for this specified type in this project (e.g. type 'A-1'), provided, if there is no classification reference to a recognized classification system used." @@ -1303,6 +1360,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_cablesegmenttypecommon.htm" }, "Pset_CableSegmentTypeConductorSegment": { + "description": "An electrical conductor is a single linear element with the specific purpose to lead electric current. The core of one lead is normally single wired or multiwired which are intertwined. According to IEC 60050: IEV 195-01-07, a conductor is a conductive part intended to carry a specified electric current.", "properties": { "Construction": { "description": "Purpose of informing on how the vonductor is constucted (interwined or solid). I.e. Solid (IEV 461-01-06), stranded (IEV 461-01-07), solid-/finestranded(IEV 461-01-11) (not flexible/flexible)." @@ -1323,6 +1381,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_cablesegmenttypeconductorsegment.htm" }, "Pset_CableSegmentTypeCoreSegment": { + "description": "An assembly comprising a conductor with its own insulation (and screens if any)", "properties": { "CoreIdentifier": { "description": "The core identification used Identifiers may be used such as by color (Black, Brown, Grey) or by number (1, 2, 3) or by IEC phase reference (L1, L2, L3) etc." @@ -1364,6 +1423,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_cablesegmenttypecoresegment.htm" }, "Pset_ChillerPHistory": { + "description": "Chiller performance history attributes.", "properties": { "Capacity": { "description": "The product of the ideal capacity and the overall volumetric efficiency of the compressor." @@ -1378,6 +1438,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_chillerphistory.htm" }, "Pset_ChillerTypeCommon": { + "description": "Chiller type common attributes.", "properties": { "CapacityCurve": { "description": "Chiller cooling capacity is a function of condensing temperature and evaporating temperature, data is in table form, Capacity = f (TempCon, TempEvp), capacity = a1+b1*Tei+c1*Tei\\^2+d1*Tci+e1*Tci\\^2+f1*Tei*Tci. This table uses multiple input variables; to represent, both DefiningValues and DefinedValues lists are null and IfcTable is attached using IfcPropertyConstraintRelationship and IfcMetric. Columns are specified in the following order: 1.IfcPowerMeasure:Capacity 2.IfcThermodynamicTemperatureMeasure:CondensingTemperature 3.IfcThermodynamicTemperatureMeasure:EvaporatingTemperature" @@ -1416,6 +1477,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_chillertypecommon.htm" }, "Pset_ChimneyCommon": { + "description": "Properties common to the definition of all occurrence and type objects of chimneys.", "properties": { "FireRating": { "description": "Fire rating for the element. It is given according to the national fire safety classification." @@ -1442,6 +1504,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/pset/pset_chimneycommon.htm" }, "Pset_CivilElementCommon": { + "description": "Properties common to the definition of all occurrence and type objects of civil element.", "properties": { "Reference": {}, "Status": {} @@ -1449,6 +1512,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/pset/pset_civilelementcommon.htm" }, "Pset_CoilOccurrence": { + "description": "Coil occurrence attributes attached to an instance of IfcCoil.", "properties": { "HasSoundAttenuation": { "description": "TRUE if the coil has sound attenuation, FALSE if it does not." @@ -1457,6 +1521,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_coiloccurrence.htm" }, "Pset_CoilPHistory": { + "description": "Coil performance history common attributes. Sound attribute deleted in IFC2x2 Pset Addendum: Use IfcSoundProperties instead.", "properties": { "AirPressureDropCurve": { "description": "Air pressure drop curve, pressure drop \u2013 flow rate curve, AirPressureDrop = f (AirflowRate)." @@ -1474,6 +1539,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_coilphistory.htm" }, "Pset_CoilTypeCommon": { + "description": "Coil type common attributes.", "properties": { "AirflowRateRange": { "description": "Possible range of airflow that can be delivered. For cases where there is no airflow across the coil (e.g. electric coil in a floor slab), then the value is zero." @@ -1503,6 +1569,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_coiltypecommon.htm" }, "Pset_CoilTypeHydronic": { + "description": "Hydronic coil type attributes.", "properties": { "BypassFactor": { "description": "Fraction of air that is bypassed by the coil (0-1)." @@ -1547,6 +1614,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_coiltypehydronic.htm" }, "Pset_ColumnCommon": { + "description": "Properties common to the definition of all occurrence and type objects of column.", "properties": { "FireRating": { "description": "Fire rating for the element. It is given according to the national fire safety classification." @@ -1576,6 +1644,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/pset/pset_columncommon.htm" }, "Pset_CommunicationsAppliancePHistory": { + "description": "Captures realtime information for communications devices, such as for server farm energy usage.", "properties": { "PowerState": { "description": "Indicates the power state of the device where True is on and False is off." @@ -1584,6 +1653,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_communicationsappliancephistory.htm" }, "Pset_CommunicationsApplianceTypeCommon": { + "description": "Common properties for communications appliances.", "properties": { "Reference": { "description": "Reference ID for this specified type in this project (e.g. type 'A-1'), provided, if there is no classification reference to a recognized classification system used." @@ -1595,6 +1665,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_communicationsappliancetypecommon.htm" }, "Pset_CompressorPHistory": { + "description": "Compressor performance history attributes.", "properties": { "CoefficientOfPerformance": { "description": "Coefficient of performance (COP)." @@ -1642,6 +1713,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_compressorphistory.htm" }, "Pset_CompressorTypeCommon": { + "description": "Compressor type common attributes.", "properties": { "CompressorSpeed": { "description": "Compressor speed." @@ -1683,6 +1755,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_compressortypecommon.htm" }, "Pset_ConcreteElementGeneral": { + "description": "General properties common to different types of concrete elements, including reinforced concrete elements. The property set can be used by a number of subtypes of IfcBuildingElement, indicated that such element is designed or constructed using a concrete construction method.", "properties": { "ConcreteCover": { "description": "The protective concrete cover at the reinforcing bars according to local building regulations." @@ -1724,6 +1797,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcstructuralelementsdomain/pset/pset_concreteelementgeneral.htm" }, "Pset_CondenserPHistory": { + "description": "Condenser performance history attributes.", "properties": { "CompressorCondenserHeatGain": { "description": "Heat gain between condenser inlet to compressor outlet." @@ -1762,6 +1836,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_condenserphistory.htm" }, "Pset_CondenserTypeCommon": { + "description": "Condenser type common attributes.", "properties": { "ExternalSurfaceArea": { "description": "External surface area (both primary and secondary area)." @@ -1792,6 +1867,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_condensertypecommon.htm" }, "Pset_Condition": { + "description": "Determines the state or condition of an element at a particular point in time.", "properties": { "AssessmentCondition": { "description": "The overall condition of a product based on an assessment of the contributions to the overall condition made by the various criteria considered. The meanings given to the values of assessed condition should be agreed and documented by local agreements. For instance, is overall condition measured on a scale of 1 - 10 or by assigning names such as Good, OK, Poor." @@ -1806,6 +1882,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedfacilitieselements/pset/pset_condition.htm" }, "Pset_ConstructionResource": { + "description": "Properties for tracking resource usage over time.", "properties": { "ActualCompletion": { "description": "The actual completion percentage of the allocation." @@ -1835,6 +1912,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcconstructionmgmtdomain/pset/pset_constructionresource.htm" }, "Pset_ControllerPHistory": { + "description": "Properties for history of controller values.", "properties": { "Quality": { "description": "Indicates the quality of measurement or failure condition, which may be further qualified by the Status. True: measured values are considered reliable; False: measured values are considered not reliable (i.e. a fault has been detected); Unknown: reliability of values is uncertain." @@ -1849,6 +1927,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_controllerphistory.htm" }, "Pset_ControllerTypeCommon": { + "description": "Controller type common attributes.", "properties": { "Reference": { "description": "Reference ID for this specified type in this project (e.g. type 'A-1'), provided, if there is no classification reference to a recognized classification system used." @@ -1860,6 +1939,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_controllertypecommon.htm" }, "Pset_ControllerTypeFloating": { + "description": "Properties for signal handling for an analog controller taking disparate valued multiple inputs and creating a single valued output.", "properties": { "ControlType": { "description": "The type of signal modification effected and applicable ports: " @@ -1886,6 +1966,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_controllertypefloating.htm" }, "Pset_ControllerTypeMultiPosition": { + "description": "Properties for discrete inputs, outputs, and values within a programmable logic controller.", "properties": { "ControlType": { "description": "The type of signal modification effected and applicable ports:" @@ -1903,6 +1984,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_controllertypemultiposition.htm" }, "Pset_ControllerTypeProgrammable": { + "description": "Properties for Discrete Digital Control (DDC) or programmable logic controllers.", "properties": { "Application": { "description": "Indicates application of controller." @@ -1920,6 +2002,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_controllertypeprogrammable.htm" }, "Pset_ControllerTypeProportional": { + "description": "Properties for signal handling for an proportional controller taking setpoint and feedback inputs and creating a single valued output.", "properties": { "ControlType": { "description": "The type of signal modification. PROPORTIONAL: Output is proportional to the control error. The gain of a proportional control (Kp) will have the effect of reducing the rise time and reducing , but never eliminating, the steady-state error of the variable controlled. PROPORTIONALINTEGRAL: Part of the output is proportional to the control error and part is proportional to the time integral of the control error. Adding the gain of an integral control (Ki) will have the effect of eliminating the steady-state error of the variable controlled, but it may make the transient response worse. PROPORTIONALINTEGRALDERIVATIVE: Part of the output is proportional to the control error, part is proportional to the time integral of the control error and part is proportional to the time derivative of the control error. Adding the gain of a derivative control (Kd) will have the effect of increasing the stability of the system, reducing the overshoot, and improving the transient response of the variable controlled." @@ -1952,6 +2035,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_controllertypeproportional.htm" }, "Pset_ControllerTypeTwoPosition": { + "description": "Properties for signal handling for an analog controller taking disparate valued multiple inputs and creating a single valued binary output.", "properties": { "ControlType": { "description": "The type of signal modification effected and applicable ports:" @@ -1969,6 +2053,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_controllertypetwoposition.htm" }, "Pset_CooledBeamPHistory": { + "description": "Common performance history attributes for a cooled beam.", "properties": { "BeamCoolingCapacity": { "description": "Cooling capacity of beam. This excludes cooling capacity of supply air." @@ -2013,6 +2098,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_cooledbeamphistory.htm" }, "Pset_CooledBeamPHistoryActive": { + "description": "Performance history attributes for an active cooled beam.", "properties": { "AirFlowRate": { "description": "Air flow rate." @@ -2027,6 +2113,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_cooledbeamphistoryactive.htm" }, "Pset_CooledBeamTypeActive": { + "description": "Active (ventilated) cooled beam common attributes.", "properties": { "AirFlowConfiguration": { "description": "Air flow configuration type of cooled beam." @@ -2044,6 +2131,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_cooledbeamtypeactive.htm" }, "Pset_CooledBeamTypeCommon": { + "description": "Cooled beam common attributes. SoundLevel and SoundAttenuation attributes deleted in IFC2x2 Pset Addendum: Use IfcSoundProperties instead.", "properties": { "CoilLength": { "description": "Length of coil." @@ -2112,6 +2200,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_cooledbeamtypecommon.htm" }, "Pset_CoolingTowerPHistory": { + "description": "Cooling tower performance history attributes.", "properties": { "Capacity": { "description": "Cooling tower capacity in terms of heat transfer rate of the cooling tower between air stream and water stream." @@ -2132,6 +2221,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_coolingtowerphistory.htm" }, "Pset_CoolingTowerTypeCommon": { + "description": "Cooling tower type common attributes. WaterRequirement attribute unit type modified in IFC2x2 Pset Addendum.", "properties": { "AmbientDesignDryBulbTemperature": { "description": "Ambient design dry bulb temperature used for selecting the cooling tower." @@ -2182,6 +2272,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_coolingtowertypecommon.htm" }, "Pset_CoveringCeiling": { + "description": "Properties common to the definition of all occurrence and type objects of covering with the predefined type set to CEILING.", "properties": { "Permeability": { "description": "Ratio of the permeability of the ceiling. The ration can be used to indicate an open ceiling (that enables identification of whether ceiling construction should be considered as impeding distribution of sprinkler water, light etc. from installations within the ceiling area)." @@ -2196,6 +2287,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/pset/pset_coveringceiling.htm" }, "Pset_CoveringCommon": { + "description": "Properties common to the definition of all occurrence and type objects of covering", "properties": { "AcousticRating": { "description": "Acoustic rating for this object. It is giving according to the national building code. It indicates the sound transmission resistance of this object by an index ration (instead of providing full sound absorbtion values)." @@ -2234,6 +2326,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/pset/pset_coveringcommon.htm" }, "Pset_CoveringFlooring": { + "description": "Properties common to the definition of all occurrence and type objects of covering with the predefined type set to FLOORING.", "properties": { "HasAntiStaticSurface": { "description": "Indication whether the surface finish is designed to prevent electrostatic charge (TRUE) or not (FALSE)." @@ -2245,6 +2338,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/pset/pset_coveringflooring.htm" }, "Pset_CurtainWallCommon": { + "description": "Properties common to the definition of all occurrences of IfcCurtainWall.", "properties": { "AcousticRating": { "description": "Acoustic rating for this object. It is provided according to the national building code. It indicates the sound transmission resistance of this object by an index ratio (instead of providing full sound absorbtion values)." @@ -2274,6 +2368,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/pset/pset_curtainwallcommon.htm" }, "Pset_DamperOccurrence": { + "description": "Damper occurrence attributes attached to an instance of IfcDamper", "properties": { "SizingMethod": { "description": "Identifies whether the damper is sized nominally or with exact measurements:" @@ -2282,6 +2377,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_damperoccurrence.htm" }, "Pset_DamperPHistory": { + "description": "Damper performance history attributes.", "properties": { "AirFlowRate": { "description": "Air flow rate." @@ -2305,6 +2401,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_damperphistory.htm" }, "Pset_DamperTypeCommon": { + "description": "Damper type common attributes.", "properties": { "BladeAction": { "description": "Blade action." @@ -2382,6 +2479,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_dampertypecommon.htm" }, "Pset_DamperTypeControlDamper": { + "description": "Control damper type attributes. Pset renamed from Pset_DamperTypeControl to Pset_DamperTypeControlDamper in IFC2x2 Pset Addendum.", "properties": { "ControlDamperOperation": { "description": "The inherent characteristic of the control damper operation." @@ -2393,6 +2491,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_dampertypecontroldamper.htm" }, "Pset_DamperTypeFireDamper": { + "description": "Fire damper type attributes. Pset renamed from Pset_DamperTypeFire to Pset_DamperTypeFireDamper in IFC2x2 Pset Addendum.", "properties": { "ActuationType": { "description": "Enumeration that identifies the different types of dampers." @@ -2410,6 +2509,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_dampertypefiredamper.htm" }, "Pset_DamperTypeFireSmokeDamper": { + "description": "Combination Fire and Smoke damper type attributes. New Pset in IFC2x2 Pset Addendum.", "properties": { "ActuationType": { "description": "Enumeration that identifies the different types of dampers." @@ -2430,6 +2530,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_dampertypefiresmokedamper.htm" }, "Pset_DamperTypeSmokeDamper": { + "description": "Smoke damper type attributes. Pset renamed from Pset_DamperTypeSmoke to Pset_DamperTypeSmokeDamper in IFC2x2 Pset Addendum.", "properties": { "ControlType": { "description": "The type of control used to operate the damper (e.g., Open/Closed Indicator, Resetable Temperature Sensor, Temperature Override, etc.) ." @@ -2438,6 +2539,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_dampertypesmokedamper.htm" }, "Pset_DiscreteAccessoryColumnShoe": { + "description": "Shape properties common to column shoes.", "properties": { "ColumnShoeBasePlateDepth": { "description": "The depth of the column shoe base plate." @@ -2461,6 +2563,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedcomponentelements/pset/pset_discreteaccessorycolumnshoe.htm" }, "Pset_DiscreteAccessoryCornerFixingPlate": { + "description": "Properties specific to corner fixing plates.", "properties": { "CornerFixingPlateFlangeWidthInPlaneX": { "description": "The flange width of the L-shaped corner plate in plane X." @@ -2478,6 +2581,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedcomponentelements/pset/pset_discreteaccessorycornerfixingplate.htm" }, "Pset_DiscreteAccessoryDiagonalTrussConnector": { + "description": "Shape properties specific to connecting accessories in truss form with diagonal cross-bars.", "properties": { "DiagonalTrussBaseBarDiameter": { "description": "The nominal diameter of the base bar." @@ -2501,6 +2605,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedcomponentelements/pset/pset_discreteaccessorydiagonaltrussconnector.htm" }, "Pset_DiscreteAccessoryEdgeFixingPlate": { + "description": "Properties specific to edge fixing plates.", "properties": { "EdgeFixingPlateFlangeWidthInPlaneX": { "description": "The flange width of the L-shaped edge plate in plane X." @@ -2518,6 +2623,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedcomponentelements/pset/pset_discreteaccessoryedgefixingplate.htm" }, "Pset_DiscreteAccessoryFixingSocket": { + "description": "Properties common to fixing sockets.", "properties": { "FixingSocketHeight": { "description": "The overall height of the fixing socket." @@ -2535,6 +2641,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedcomponentelements/pset/pset_discreteaccessoryfixingsocket.htm" }, "Pset_DiscreteAccessoryLadderTrussConnector": { + "description": "Shape properties specific to connecting accessories in truss form with straight cross-bars in ladder shape.", "properties": { "LadderTrussBaseBarDiameter": { "description": "The nominal diameter of the base bar." @@ -2558,6 +2665,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedcomponentelements/pset/pset_discreteaccessoryladdertrussconnector.htm" }, "Pset_DiscreteAccessoryStandardFixingPlate": { + "description": "Properties specific to standard fixing plates.", "properties": { "StandardFixingPlateDepth": { "description": "The depth of the standard fixing plate." @@ -2572,6 +2680,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedcomponentelements/pset/pset_discreteaccessorystandardfixingplate.htm" }, "Pset_DiscreteAccessoryWireLoop": { + "description": "Shape properties common to wire loop joint connectors.", "properties": { "WireDiameter": { "description": "The nominal diameter of the wire." @@ -2595,6 +2704,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedcomponentelements/pset/pset_discreteaccessorywireloop.htm" }, "Pset_DistributionChamberElementCommon": { + "description": "Common properties of all occurrences of IfcDistributionChamberElement.", "properties": { "Reference": { "description": "Reference ID for this specific instance (e.g. 'WWS/VS1/400/001', which indicates the occurrence belongs to system WWS, subsystems VSI/400, and has the component number 001)." @@ -2606,6 +2716,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_distributionchamberelementcommon.htm" }, "Pset_DistributionChamberElementTypeFormedDuct": { + "description": "Space formed in the ground for the passage of pipes, cables, ducts.", "properties": { "AccessCoverLoadRating": { "description": "The load rating of the access cover (which may be a value or an alphanumerically defined class rating)." @@ -2626,6 +2737,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_distributionchamberelementtypeformedduct.htm" }, "Pset_DistributionChamberElementTypeInspectionChamber": { + "description": "Chamber constructed on a drain, sewer or pipeline and with a removable cover, that permits visible inspection.", "properties": { "AccessCoverLoadRating": { "description": "The load rating of the access cover (which may be a value or an alphanumerically defined class rating)." @@ -2670,6 +2782,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_distributionchamberelementtypeinspectionchamber.htm" }, "Pset_DistributionChamberElementTypeInspectionPit": { + "description": "Recess or chamber formed to permit access for inspection of substructure and services (definition modified from BS6100 221 4128).", "properties": { "Depth": { "description": "The depth of the pit." @@ -2684,6 +2797,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_distributionchamberelementtypeinspectionpit.htm" }, "Pset_DistributionChamberElementTypeManhole": { + "description": "Chamber constructed on a drain, sewer or pipeline and with a removable cover, that permits the entry of a person.", "properties": { "AccessCoverLoadRating": { "description": "The load rating of the access cover (which may be a value or an alphanumerically defined class rating)." @@ -2728,6 +2842,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_distributionchamberelementtypemanhole.htm" }, "Pset_DistributionChamberElementTypeMeterChamber": { + "description": "Chamber that houses a meter(s) (definition modified from BS6100 250 6224).", "properties": { "AccessCoverMaterial": { "description": "The material from which the access cover to the chamber is constructed. NOTE: It is assumed that chamber walls will be constructed of a single material." @@ -2754,6 +2869,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_distributionchamberelementtypemeterchamber.htm" }, "Pset_DistributionChamberElementTypeSump": { + "description": "Recess or small chamber into which liquid is drained to facilitate its removal.", "properties": { "InvertLevel": { "description": "The lowest point in the cross section of the sump." @@ -2768,6 +2884,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_distributionchamberelementtypesump.htm" }, "Pset_DistributionChamberElementTypeTrench": { + "description": "Excavation, the length of which greatly exceeds the width.", "properties": { "Depth": { "description": "The depth of the trench." @@ -2782,6 +2899,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_distributionchamberelementtypetrench.htm" }, "Pset_DistributionChamberElementTypeValveChamber": { + "description": "Chamber that houses a valve(s).", "properties": { "AccessCoverMaterial": { "description": "The material from which the access cover to the chamber is constructed. NOTE: It is assumed that chamber walls will be constructed of a single material." @@ -2808,6 +2926,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_distributionchamberelementtypevalvechamber.htm" }, "Pset_DistributionPortCommon": { + "description": "Common attributes attached to an instance of IfcDistributionPort.", "properties": { "ColorCode": { "description": "Name of a color for identifying the connector, if applicable." @@ -2819,6 +2938,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_distributionportcommon.htm" }, "Pset_DistributionPortPHistoryCable": { + "description": "Log of electrical activity attached to an instance of IfcPerformanceHistory having an assigned IfcDistributionPort of type CABLE.", "properties": { "ApparentPower": { "description": "Apparent power." @@ -2848,6 +2968,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_distributionportphistorycable.htm" }, "Pset_DistributionPortPHistoryDuct": { + "description": "Fluid flow performance history attached to an instance of IfcPerformanceHistory assigned to IfcDistributionPort. This replaces the deprecated IfcFluidFlowProperties for performance values.", "properties": { "FlowCondition": { "description": "Defines the flow condition as a percentage of the cross-sectional area." @@ -2874,6 +2995,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_distributionportphistoryduct.htm" }, "Pset_DistributionPortPHistoryPipe": { + "description": "Log of substance usage attached to an instance of IfcPerformanceHistory having an assigned IfcDistributionPort of type PIPE.", "properties": { "Flowrate": { "description": "The flowrate of the fuel." @@ -2888,6 +3010,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_distributionportphistorypipe.htm" }, "Pset_DistributionPortTypeCable": { + "description": "Cable port occurrence attributes attached to an instance of IfcDistributionPort.", "properties": { "ConductorFunction": { "description": "For ports distributing power, indicates function of the conductors to which the load is connected." @@ -2920,6 +3043,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_distributionporttypecable.htm" }, "Pset_DistributionPortTypeDuct": { + "description": "Duct port occurrence attributes attached to an instance of IfcDistributionPort.", "properties": { "ConnectionSubType": { "description": "The physical port connection subtype that further qualifies the ConnectionType." @@ -2955,6 +3079,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_distributionporttypeduct.htm" }, "Pset_DistributionPortTypePipe": { + "description": "Pipe port occurrence attributes attached to an instance of IfcDistributionPort.", "properties": { "ConnectionSubType": { "description": "The physical port connection subtype that further qualifies the ConnectionType." @@ -2993,6 +3118,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_distributionporttypepipe.htm" }, "Pset_DistributionSystemCommon": { + "description": "Distribution system occurrence attributes attached to an instance of IfcDistributionSystem.", "properties": { "Reference": { "description": "Reference ID for this specific instance of a distribution system, or sub-system (e.g. 'WWS/VS1', which indicates the system to be WWS, subsystems VSI/400). The reference values depend on the local code of practice." @@ -3001,6 +3127,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_distributionsystemcommon.htm" }, "Pset_DistributionSystemTypeElectrical": { + "description": "Properties of electrical circuits.", "properties": { "Diversity": { "description": "The ratio, expressed as a numerical value or as a percentage, of the simultaneous maximum demand of a group of electrical appliances or consumers within a specified period, to the sum of their individual maximum demands within the same period. The group of electrical appliances is in this case connected to this circuit. Defenition from IEC 60050, IEV 691-10-04 NOTE1: It is often not desirable to size each conductor in a distribution system to support the total connected load at that point in the network. Diversity is applied on the basis of the anticipated loadings that are likely to result from all loads not being connected at the same time. NOTE2: Diversity is applied to final circuits only, not to sub-main circuits supplying other DBs." @@ -3024,6 +3151,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_distributionsystemtypeelectrical.htm" }, "Pset_DistributionSystemTypeVentilation": { + "description": "This property set is used to define the general characteristics of the duct design parameters within a system.", "properties": { "AspectRatio": { "description": "The default aspect ratio." @@ -3062,6 +3190,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_distributionsystemtypeventilation.htm" }, "Pset_DoorCommon": { + "description": "Properties common to the definition of all occurrences of IfcDoor.", "properties": { "AcousticRating": { "description": "Acoustic rating for this object. It is provided according to the national building code. It indicates the sound transmission resistance of this object by an index ratio (instead of providing full sound absorbtion values)." @@ -3124,6 +3253,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/pset/pset_doorcommon.htm" }, "Pset_DoorWindowGlazingType": { + "description": "Properties common to the definition of the glazing component of occurrences of IfcDoor and IfcWindow, used for thermal and lighting calculations.", "properties": { "FillGas": { "description": "Name of the gas by which the gap between two glass layers is filled. It is given for information purposes only." @@ -3186,6 +3316,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/pset/pset_doorwindowglazingtype.htm" }, "Pset_DuctFittingOccurrence": { + "description": "Duct fitting occurrence attributes.", "properties": { "Color": { "description": "The color of the duct segment." @@ -3200,6 +3331,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_ductfittingoccurrence.htm" }, "Pset_DuctFittingPHistory": { + "description": "Duct fitting performance history common attributes.", "properties": { "AirFlowLeakage": { "description": "Volumetric leakage flow rate." @@ -3214,6 +3346,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_ductfittingphistory.htm" }, "Pset_DuctFittingTypeCommon": { + "description": "Duct fitting type common attributes.", "properties": { "PressureClass": { "description": "Pressure classification as defined by the authority having jurisdiction (e.g., SMACNA, etc.)." @@ -3234,6 +3367,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_ductfittingtypecommon.htm" }, "Pset_DuctSegmentOccurrence": { + "description": "Duct segment occurrence attributes attached to an instance of IfcDuctSegment.", "properties": { "Color": { "description": "The color of the duct segment." @@ -3248,6 +3382,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_ductsegmentoccurrence.htm" }, "Pset_DuctSegmentPHistory": { + "description": "Duct segment performance history common attributes.", "properties": { "AtmosphericPressure": { "description": "Ambient atmospheric pressure." @@ -3265,6 +3400,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_ductsegmentphistory.htm" }, "Pset_DuctSegmentTypeCommon": { + "description": "Duct segment type common attributes.", "properties": { "LongitudinalSeam": { "description": "The type of seam to be used along the longitudinal axis of the duct segment." @@ -3303,6 +3439,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_ductsegmenttypecommon.htm" }, "Pset_DuctSilencerPHistory": { + "description": "Duct silencer performance history common attributes.", "properties": { "AirFlowRate": { "description": "Volumetric air flow rate." @@ -3314,6 +3451,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_ductsilencerphistory.htm" }, "Pset_DuctSilencerTypeCommon": { + "description": "Duct silencer type common attributes. InsertionLoss and RegeneratedSound attributes deleted in IFC2x2 Pset Addendum: Use IfcSoundProperties instead.", "properties": { "AirFlowrateRange": { "description": "Possible range of airflow that can be delivered." @@ -3346,6 +3484,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_ductsilencertypecommon.htm" }, "Pset_ElectricAppliancePHistory": { + "description": "Captures realtime information for electric appliances, such as for energy usage.", "properties": { "PowerState": { "description": "Indicates the power state of the device where True is on and False is off." @@ -3354,6 +3493,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_electricappliancephistory.htm" }, "Pset_ElectricApplianceTypeCommon": { + "description": "Common properties for electric appliances.", "properties": { "Reference": { "description": "Reference ID for this specified type in this project (e.g. type 'A-1'), provided, if there is no classification reference to a recognized classification system used." @@ -3365,6 +3505,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_electricappliancetypecommon.htm" }, "Pset_ElectricApplianceTypeDishwasher": { + "description": "Common properties for dishwasher appliances.", "properties": { "DishwasherType": { "description": "Type of dishwasher." @@ -3373,6 +3514,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_electricappliancetypedishwasher.htm" }, "Pset_ElectricApplianceTypeElectricCooker": { + "description": "Common properties for electric cooker appliances.", "properties": { "ElectricCookerType": { "description": "Type of electric cooker." @@ -3381,6 +3523,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_electricappliancetypeelectriccooker.htm" }, "Pset_ElectricDistributionBoardOccurrence": { + "description": "Properties that may be applied to electric distribution board occurrences.", "properties": { "IsMain": { "description": "Identifies if the current instance is a main distribution point or topmost level in an electrical distribution hierarchy (= TRUE) or a sub-main distribution point (= FALSE)." @@ -3392,6 +3535,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_electricdistributionboardoccurrence.htm" }, "Pset_ElectricDistributionBoardTypeCommon": { + "description": "Properties that may be applied to electric distribution boards.", "properties": { "Reference": { "description": "Reference ID for this specified type in this project (e.g. type 'A-1'), provided, if there is no classification reference to a recognized classification system used." @@ -3403,6 +3547,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_electricdistributionboardtypecommon.htm" }, "Pset_ElectricFlowStorageDevicePHistory": { + "description": "Electric flow storage device performance history common attributes.", "properties": { "Level": { "description": "The fraction of usable energy stored." @@ -3411,6 +3556,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_electricflowstoragedevicephistory.htm" }, "Pset_ElectricFlowStorageDeviceTypeCommon": { + "description": "The characteristics of the supply associated with an electrical device occurrence acting as a source of supply to an electrical distribution system NOTE: Properties within this property set should ONLY be used in circumstances when an electrical supply is applied. The property set, the properties contained and their values are not applicable to a circumstance where the sypply is not being applied to the eletrical system or is temporarily disconnected. All properties within this property set are considered to represent a steady state situation.", "properties": { "ConnectedConductorFunction": { "description": "Function of the conductors to which the load is connected." @@ -3482,6 +3628,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_electricflowstoragedevicetypecommon.htm" }, "Pset_ElectricGeneratorTypeCommon": { + "description": "Defines a particular type of engine that is a machine for converting mechanical energy into electrical energy.", "properties": { "ElectricGeneratorEfficiency": { "description": "The ratio of output capacity to intake capacity." @@ -3502,6 +3649,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_electricgeneratortypecommon.htm" }, "Pset_ElectricMotorTypeCommon": { + "description": "Defines a particular type of engine that is a machine for converting electrical energy into mechanical energy. Note that in cases where a close coupled or monobloc pump or close coupled fan is being driven by the motor, the motor may itself be considered to be directly part of the pump or fan. In this case , motor information may need to be specified directly at the pump or fan and not througfh separate motor/motor connection entities. NOTE: StartingTime and TeTime added at IFC4", "properties": { "ElectricMotorEfficiency": { "description": "The ratio of output capacity to intake capacity." @@ -3543,6 +3691,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_electricmotortypecommon.htm" }, "Pset_ElectricTimeControlTypeCommon": { + "description": "Common properties for electric time control devices.", "properties": { "Reference": { "description": "Reference ID for this specified type in this project (e.g. type 'A-1'), provided, if there is no classification reference to a recognized classification system used." @@ -3554,6 +3703,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_electrictimecontroltypecommon.htm" }, "Pset_ElectricalDeviceCommon": { + "description": "A collection of properties that are commonly used by electrical device types.", "properties": { "ConductorFunction": { "description": "Function of a line conductor to which a device is intended to be connected where L1, L2 and L3 represent the phase lines according to IEC 60446 notation (sometimes phase lines may be referenced by color [Red, Blue, Yellow] or by number [1, 2, 3] etc). Protective Earth is sometimes also known as CPC or common protective conductor. Note that for an electrical device, a set of line conductor functions may be applied." @@ -3589,6 +3739,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_electricaldevicecommon.htm" }, "Pset_ElementAssemblyCommon": { + "description": "Properties common to the definition of all occurrence and type objects of element assembly.", "properties": { "Reference": {}, "Status": {} @@ -3596,6 +3747,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/pset/pset_elementassemblycommon.htm" }, "Pset_ElementCommon": { + "description": "This property set serves as a placeholder for common properties to assist in translation, and is not currently published (the property set type is set to NOTDEFINED).", "properties": { "Reference": { "description": "Reference ID for this specified type in this project (e.g. type 'A-1'), Also referred to as \"construction type\". It should be provided as an alternative to the name of the \"object type\", if the software does not support object types." @@ -3606,6 +3758,7 @@ } }, "Pset_ElementComponentCommon": { + "description": "Set of common properties of component elements (especially discrete accessories, but also fasteners, reinforcement elements, or other types of components).", "properties": { "CorrosionTreatment": { "description": "Determines corrosion treatment for metal components. This property is provided if the requirement needs to be expressed (a) independently of a material specification and (b) as a mere requirements statement rather than a workshop design/ processing feature." @@ -3623,6 +3776,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedcomponentelements/pset/pset_elementcomponentcommon.htm" }, "Pset_EngineTypeCommon": { + "description": "Engine type common attributes.", "properties": { "EnergySource": { "description": "The source of energy." @@ -3637,6 +3791,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_enginetypecommon.htm" }, "Pset_EnvironmentalImpactIndicators": { + "description": "Environmental impact indicators are related to a given \u201cfunctional unit\u201d (ISO 14040 concept). An example of functional unit is a \"Double glazing window with PVC frame\" and the unit to consider is \"one square meter of opening elements filled by this product\u201d. Indicators values are valid for the whole life cycle or only a specific phase (see LifeCyclePhase property). Values of all the indicators are expressed per year according to the expected service life. The first five properties capture the characteristics of the functional unit. The following properties are related to environmental indicators. There is a consensus agreement international for the five one. Last ones are not yet fully and formally agreed at the international level.", "properties": { "AtmosphericAcidificationPerUnit": { "description": "Quantity of gases responsible for the atmospheric acidification calculated in equivalent SO2" @@ -3699,6 +3854,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/pset/pset_environmentalimpactindicators.htm" }, "Pset_EnvironmentalImpactValues": { + "description": "The following properties capture environmental impact values of an element. They correspond to the indicators defined into Pset_EnvironmentalImpactIndicators. Environmental impact values are obtained multiplying indicator value per unit by the relevant quantity of the element.", "properties": { "AtmosphericAcidification": { "description": "Quantity of gases responsible for the atmospheric acidification calculated in equivalent SO2." @@ -3755,6 +3911,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/pset/pset_environmentalimpactvalues.htm" }, "Pset_EvaporativeCoolerPHistory": { + "description": "Evaporative cooler performance history attributes.", "properties": { "Effectiveness": { "description": "Ratio of the change in dry bulb temperature of the (primary) air stream to the difference between the entering dry bulb temperature of the (primary) air and the wet-bulb temperature of the (secondary) air." @@ -3775,6 +3932,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_evaporativecoolerphistory.htm" }, "Pset_EvaporativeCoolerTypeCommon": { + "description": "Evaporative cooler type common attributes. Sound attribute deleted in IFC2x2 Pset Addendum: Use IfcSoundProperties instead. WaterRequirement attribute unit type modified in IFC2x2 Pset Addendum.", "properties": { "AirPressureDropCurve": { "description": "Air pressure drop as function of air flow rate." @@ -3807,6 +3965,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_evaporativecoolertypecommon.htm" }, "Pset_EvaporatorPHistory": { + "description": "Evaporator performance history attributes.", "properties": { "CompressorEvaporatorHeatGain": { "description": "Heat gain between the evaporator outlet and the compressor inlet." @@ -3845,6 +4004,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_evaporatorphistory.htm" }, "Pset_EvaporatorTypeCommon": { + "description": "Evaporator type common attributes.", "properties": { "EvaporatorCoolant": { "description": "The fluid used for the coolant in the evaporator." @@ -3883,6 +4043,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_evaporatortypecommon.htm" }, "Pset_FanCentrifugal": { + "description": "Centrifugal fan occurrence attributes attached to an instance of IfcFan.", "properties": { "Arrangement": { "description": "Defines the fan and motor drive arrangement as defined by AMCA." @@ -3897,6 +4058,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_fancentrifugal.htm" }, "Pset_FanOccurrence": { + "description": "Fan occurrence attributes attached to an instance of IfcFan.", "properties": { "ApplicationOfFan": { "description": "The functional application of the fan." @@ -3923,6 +4085,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_fanoccurrence.htm" }, "Pset_FanPHistory": { + "description": "Fan performance history attributes. Sound attribute deleted in IFC2x2 Pset Addendum: Use IfcSoundProperties instead.", "properties": { "DischargePressureLoss": { "description": "Fan discharge pressure loss associated with the discharge arrangement." @@ -3955,6 +4118,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_fanphistory.htm" }, "Pset_FanTypeCommon": { + "description": "Fan type common attributes.", "properties": { "CapacityControlType": { "description": "InletVane: Control by adjusting inlet vane. VariableSpeedDrive: Control by variable speed drive. BladePitchAngle: Control by adjusting blade pitch angle. TwoSpeed: Control by switch between high and low speed. DischargeDamper: Control by modulating discharge damper." @@ -3999,6 +4163,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_fantypecommon.htm" }, "Pset_FastenerWeld": { + "description": "Properties related to welded connections.", "properties": { "Intermittent": { "description": "If fillet weld, intermittent or not" @@ -4052,6 +4217,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedcomponentelements/pset/pset_fastenerweld.htm" }, "Pset_FilterPHistory": { + "description": "Filter performance history attributes.", "properties": { "CountedEfficiency": { "description": "Filter efficiency based the particle counts concentration before and after filter against particles with certain size distribution." @@ -4066,6 +4232,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_filterphistory.htm" }, "Pset_FilterTypeAirParticleFilter": { + "description": "Air particle filter type attributes.", "properties": { "AirParticleFilterType": { "description": "A panel dry type extended surface filter is a dry-type air filter with random fiber mats or blankets in the forms of pockets, V-shaped or radial pleats, and include the following:" @@ -4104,6 +4271,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_filtertypeairparticlefilter.htm" }, "Pset_FilterTypeCommon": { + "description": "Filter type common attributes.", "properties": { "FinalResistance": { "description": "Filter fluid resistance when replacement is required (i.e., Pressure drop at the maximum air flowrate across the filter when the filter needs replacement per ASHRAE Standard 52.1)." @@ -4148,6 +4316,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_filtertypecommon.htm" }, "Pset_FilterTypeCompressedAirFilter": { + "description": "Compressed air filter type attributes.", "properties": { "AutomaticCondensateDischarge": { "description": "Whether or not the condensing water or oil is discharged automatically from the filter." @@ -4168,6 +4337,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_filtertypecompressedairfilter.htm" }, "Pset_FilterTypeWaterFilter": { + "description": "Water filter type attributes.", "properties": { "WaterFilterType": { "description": "Further qualifies the type of water filter. Filtration removes undissolved matter; Purification removes dissolved matter; Softening replaces dissolved matter." @@ -4176,6 +4346,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_filtertypewaterfilter.htm" }, "Pset_FireSuppressionTerminalTypeBreechingInlet": { + "description": "Symmetrical pipe fitting that unites two or more inlets into a single pipe (BS6100 330 114 adapted).", "properties": { "BreechingInletType": { "description": "Defines the type of breeching inlet." @@ -4196,6 +4367,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/pset/pset_firesuppressionterminaltypebreechinginlet.htm" }, "Pset_FireSuppressionTerminalTypeCommon": { + "description": "Common properties for fire suppression terminals.", "properties": { "Reference": { "description": "Reference ID for this specified type in this project (e.g. type 'A-1'), provided, if there is no classification reference to a recognized classification system used." @@ -4207,6 +4379,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/pset/pset_firesuppressionterminaltypecommon.htm" }, "Pset_FireSuppressionTerminalTypeFireHydrant": { + "description": "Device, fitted to a pipe, through which a temporary supply of water may be provided (BS6100 330 6107)", "properties": { "BodyColor": { "description": "Color of the body of the hydrant." @@ -4242,6 +4415,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/pset/pset_firesuppressionterminaltypefirehydrant.htm" }, "Pset_FireSuppressionTerminalTypeHoseReel": { + "description": "A supporting framework on which a hose may be wound (BS6100 155 8201).", "properties": { "ClassOfService": { "description": "A classification of usage of the hose reel that may be applied." @@ -4271,6 +4445,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/pset/pset_firesuppressionterminaltypehosereel.htm" }, "Pset_FireSuppressionTerminalTypeSprinkler": { + "description": "Device for sprinkling water from a pipe under pressure over an area (BS6100 100 3432)", "properties": { "Activation": { "description": "Identifies the predefined methods of sprinkler activation from which that required may be set." @@ -4312,6 +4487,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/pset/pset_firesuppressionterminaltypesprinkler.htm" }, "Pset_FlowInstrumentPHistory": { + "description": "Properties for history of flow instrument values.", "properties": { "Quality": { "description": "Indicates the quality of measurement or failure condition, which may be further qualified by the Status. True: measured values are considered reliable; False: measured values are considered not reliable (i.e. a fault has been detected); Unknown: reliability of values is uncertain." @@ -4326,6 +4502,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_flowinstrumentphistory.htm" }, "Pset_FlowInstrumentTypeCommon": { + "description": "Flow Instrument type common attributes.", "properties": { "Reference": { "description": "Reference ID for this specified type in this project (e.g. type 'A-1'), provided, if there is no classification reference to a recognized classification system used." @@ -4337,6 +4514,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_flowinstrumenttypecommon.htm" }, "Pset_FlowInstrumentTypePressureGauge": { + "description": "A device that reads and displays a pressure value at a point or the pressure difference between two points.", "properties": { "DisplaySize": { "description": "The physical size of the display. For a dial pressure gauge it will be the diameter of the dial." @@ -4348,6 +4526,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_flowinstrumenttypepressuregauge.htm" }, "Pset_FlowInstrumentTypeThermometer": { + "description": "A device that reads and displays a temperature value at a point.", "properties": { "DisplaySize": { "description": "The physical size of the display. In the case of a stem thermometer, this will be the length of the stem. For a dial thermometer, it will be the diameter of the dial." @@ -4359,6 +4538,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_flowinstrumenttypethermometer.htm" }, "Pset_FlowMeterOccurrence": { + "description": "Flow meter occurrence common attributes.", "properties": { "Purpose": { "description": "Enumeration defining the purpose of the flow meter occurrence." @@ -4367,6 +4547,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_flowmeteroccurrence.htm" }, "Pset_FlowMeterTypeCommon": { + "description": "Common attributes of a flow meter type", "properties": { "ReadOutType": { "description": "Indication of the form that readout from the meter takes. In the case of a dial read out, this may comprise multiple dials that give a cumulative reading and/or a mechanical odometer." @@ -4384,6 +4565,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_flowmetertypecommon.htm" }, "Pset_FlowMeterTypeEnergyMeter": { + "description": "Device that measures, indicates and sometimes records, the energy usage in a system.", "properties": { "MaximumCurrent": { "description": "The maximum allowed current that a device is certified to handle." @@ -4398,6 +4580,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_flowmetertypeenergymeter.htm" }, "Pset_FlowMeterTypeGasMeter": { + "description": "Device that measures, indicates and sometimes records, the volume of gas that passes through it without interrupting the flow.", "properties": { "ConnectionSize": { "description": "Defines the size of inlet and outlet pipe connections to the meter." @@ -4415,6 +4598,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_flowmetertypegasmeter.htm" }, "Pset_FlowMeterTypeOilMeter": { + "description": "Device that measures, indicates and sometimes records, the volume of oil that passes through it without interrupting the flow.", "properties": { "ConnectionSize": { "description": "Defines the size of inlet and outlet pipe connections to the meter." @@ -4426,6 +4610,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_flowmetertypeoilmeter.htm" }, "Pset_FlowMeterTypeWaterMeter": { + "description": "Device that measures, indicates and sometimes records, the volume of water that passes through it without interrupting the flow.", "properties": { "BackflowPreventerType": { "description": "Identifies the type of backflow preventer installed to prevent the backflow of contaminated or polluted water from an irrigation/reticulation system to a potable water supply." @@ -4446,6 +4631,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_flowmetertypewatermeter.htm" }, "Pset_FootingCommon": { + "description": "Properties common to the definition of all occurrences of IfcFooting.", "properties": { "LoadBearing": { "description": "Indicates whether the object is intended to carry loads (TRUE) or not (FALSE)" @@ -4460,6 +4646,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcstructuralelementsdomain/pset/pset_footingcommon.htm" }, "Pset_FurnitureTypeChair": { + "description": "A set of specific properties for furniture type chair.", "properties": { "HighestSeatingHeight": { "description": "The value of seating height of high level if the chair height is adjustable." @@ -4474,6 +4661,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedfacilitieselements/pset/pset_furnituretypechair.htm" }, "Pset_FurnitureTypeCommon": { + "description": "Common properties for all types of furniture such as chair, desk, table, and file cabinet.", "properties": { "IsBuiltIn": { "description": "Indicates whether the furniture type is intended to be 'built in' i.e. physically attached to a building or facility (= TRUE) or not i.e. Loose and movable (= FALSE)." @@ -4499,6 +4687,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedfacilitieselements/pset/pset_furnituretypecommon.htm" }, "Pset_FurnitureTypeDesk": { + "description": "A set of specific properties for furniture type desk.", "properties": { "WorksurfaceArea": { "description": "The value of the work surface area of the desk." @@ -4507,6 +4696,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedfacilitieselements/pset/pset_furnituretypedesk.htm" }, "Pset_FurnitureTypeFileCabinet": { + "description": "A set of specific properties for furniture type file cabinet", "properties": { "WithLock": { "description": "Indicates whether the file cabinet is lockable (= TRUE) or not (= FALSE)." @@ -4515,6 +4705,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedfacilitieselements/pset/pset_furnituretypefilecabinet.htm" }, "Pset_FurnitureTypeTable": { + "description": "", "properties": { "NumberOfChairs": { "description": "Maximum number of chairs that can fit with the table for normal use." @@ -4526,6 +4717,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedfacilitieselements/pset/pset_furnituretypetable.htm" }, "Pset_HeatExchangerTypeCommon": { + "description": "Heat exchanger type common attributes.", "properties": { "Arrangement": { "description": "Defines the basic flow arrangements for the heat exchanger:" @@ -4540,6 +4732,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_heatexchangertypecommon.htm" }, "Pset_HeatExchangerTypePlate": { + "description": "Plate heat exchanger type common attributes.", "properties": { "NumberOfPlates": { "description": "Number of plates used by the plate heat exchanger." @@ -4548,6 +4741,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_heatexchangertypeplate.htm" }, "Pset_HumidifierPHistory": { + "description": "Humidifier performance history attributes. Sound attribute deleted in IFC2x2 Pset Addendum: Use IfcSoundProperties instead.", "properties": { "AtmosphericPressure": { "description": "Ambient atmospheric pressure." @@ -4559,6 +4753,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_humidifierphistory.htm" }, "Pset_HumidifierTypeCommon": { + "description": "Humidifier type common attributes. WaterProperties attribute renamed to WaterRequirement and unit type modified in IFC2x2 Pset Addendum.", "properties": { "AirPressureDropCurve": { "description": "Air pressure drop versus air-flow rate." @@ -4594,6 +4789,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_humidifiertypecommon.htm" }, "Pset_InterceptorTypeCommon": { + "description": "Common properties for interceptors.", "properties": { "CoverLength": { "description": "The length measured along the x-axis in the local coordinate system or the radius (in the case of a circular shape in plan) of the cover of the oil interceptor." @@ -4629,6 +4825,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/pset/pset_interceptortypecommon.htm" }, "Pset_JunctionBoxTypeCommon": { + "description": "A junction box is an enclosure within which cables are connected.", "properties": { "ClearDepth": { "description": "Clear unobstructed depth available for cable inclusion within the junction box." @@ -4661,6 +4858,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_junctionboxtypecommon.htm" }, "Pset_LampTypeCommon": { + "description": "A lamp is a component within a light fixture that is designed to emit light.", "properties": { "ColorAppearance": { "description": "In both the DIN and CIE standards, artificial light sources are classified in terms of their color appearance. To the human eye they all appear to be white; the difference can only be detected by direct comparison. Visual performance is not directly affected by differences in color appearance." @@ -4699,6 +4897,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_lamptypecommon.htm" }, "Pset_LandRegistration": { + "description": "Specifies the identity of land within a statutory registration system.", "properties": { "IsPermanentID": { "description": "Indicates whether the identity assigned to a land parcel is permanent (= TRUE) or temporary (=FALSE)." @@ -4713,6 +4912,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/pset/pset_landregistration.htm" }, "Pset_LightFixtureTypeCommon": { + "description": "Common data for light fixtures. History: IFC4 - Article number and manufacturer specific information deleted. Use Pset_ManufacturerTypeInformation. ArticleNumber instead. Load properties moved from Pset_LightFixtureTypeThermal (deleted).", "properties": { "LightFixtureMountingType": { "description": "A list of the available types of mounting for light fixtures from which that required may be selected." @@ -4748,6 +4948,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_lightfixturetypecommon.htm" }, "Pset_LightFixtureTypeSecurityLighting": { + "description": "Properties that characterize security lighting.", "properties": { "Addressablility": { "description": "The type of addressability." @@ -4771,6 +4972,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_lightfixturetypesecuritylighting.htm" }, "Pset_ManufacturerOccurrence": { + "description": "Defines properties of individual instances of manufactured products that may be given by the manufacturer.", "properties": { "AcquisitionDate": { "description": "The date that the manufactured item was purchased." @@ -4791,6 +4993,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedfacilitieselements/pset/pset_manufactureroccurrence.htm" }, "Pset_ManufacturerTypeInformation": { + "description": "Defines characteristics of types (ranges) of manufactured products that may be given by the manufacturer. Note that the term 'manufactured' may also be used to refer to products that are supplied and identified by the supplier or that are assembled off site by a third party provider.", "properties": { "ArticleNumber": { "description": "Article number or reference that is be applied to a configured product according to a standard scheme for article number definition as defined by the manufacturer. It is often used as the purchasing number." @@ -4817,6 +5020,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedfacilitieselements/pset/pset_manufacturertypeinformation.htm" }, "Pset_MaterialCombustion": { + "description": "A set of extended material properties of products of combustion generated by elements typically used within the context of building services and flow distribution systems.", "properties": { "CO2Content": { "description": "Carbon dioxide (CO2) content of the products of combustion. This is measured in weight of CO2 per unit weight and is therefore unitless." @@ -4834,6 +5038,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcmaterialresource/pset/pset_materialcombustion.htm" }, "Pset_MaterialCommon": { + "description": "A set of general material properties.", "properties": { "MassDensity": { "description": "Material mass density." @@ -4848,6 +5053,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcmaterialresource/pset/pset_materialcommon.htm" }, "Pset_MaterialConcrete": { + "description": "A set of extended mechanical properties related to concrete materials.", "properties": { "AdmixturesDescription": { "description": "Description of the admixtures added to the concrete mix." @@ -4871,6 +5077,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcmaterialresource/pset/pset_materialconcrete.htm" }, "Pset_MaterialEnergy": { + "description": "A set of extended material properties for energy calculation purposes.", "properties": { "GasPressure": { "description": "Fill pressure (e.g. for between-pane gas fills): the pressure exerted by a mass of gas confined in a constant volume." @@ -4897,6 +5104,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcmaterialresource/pset/pset_materialenergy.htm" }, "Pset_MaterialFuel": { + "description": "A set of extended material properties of fuel energy typically used within the context of building services and flow distribution systems.", "properties": { "CarbonContent": { "description": "The carbon content in the fuel. This is measured in weight of carbon per unit weight of fuel and is therefore unitless." @@ -4914,6 +5122,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcmaterialresource/pset/pset_materialfuel.htm" }, "Pset_MaterialHygroscopic": { + "description": "A set of hygroscopic properties of materials.", "properties": { "IsothermalMoistureCapacity": { "description": "Based on water vapor density." @@ -4934,6 +5143,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcmaterialresource/pset/pset_materialhygroscopic.htm" }, "Pset_MaterialMechanical": { + "description": "A set of mechanical material properties normally used for structural analysis purpose. It contains all properties which are independent of the actual material type.", "properties": { "DynamicViscosity": { "description": "A measure of the viscous resistance of the material." @@ -4954,6 +5164,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcmaterialresource/pset/pset_materialmechanical.htm" }, "Pset_MaterialOptical": { + "description": "A set of optical properties of materials.", "properties": { "SolarReflectanceBack": { "description": "Reflectance at normal incidence (solar): back side. Defines the fraction of the solar ray that is reflected and not transmitted when the ray passes from one medium into another, at the \"back\" side of the other material, perpendicular to the surface. Dependent on material and surface characteristics." @@ -4986,6 +5197,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcmaterialresource/pset/pset_materialoptical.htm" }, "Pset_MaterialSteel": { + "description": "A set of extended mechanical properties related to steel (or other metallic and isotropic) materials.", "properties": { "HardeningModule": { "description": "A measure of the hardening module of the material (slope of stress versus strain curve after yield range)." @@ -5012,6 +5224,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcmaterialresource/pset/pset_materialsteel.htm" }, "Pset_MaterialThermal": { + "description": "A set of thermal material properties.", "properties": { "BoilingPoint": { "description": "The boiling point of the material (fluid)." @@ -5029,6 +5242,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcmaterialresource/pset/pset_materialthermal.htm" }, "Pset_MaterialWater": { + "description": "A set of extended material properties for of water typically used within the context of building services and flow distribution systems.", "properties": { "AcidityConcentration": { "description": "Maximum CaCO3 equivalent that would neutralize the acid." @@ -5055,6 +5269,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcmaterialresource/pset/pset_materialwater.htm" }, "Pset_MaterialWood": { + "description": "This is a collection of properties applicable to wood-based materials that specify kind and grade of material as well as moisture related parameters.", "properties": { "AppearanceGrade": { "description": "Grade with respect to visual quality." @@ -5087,6 +5302,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcmaterialresource/pset/pset_materialwood.htm" }, "Pset_MaterialWoodBasedBeam": { + "description": "This is a collection of mechanical properties applicable to wood-based materials for beam-like products, especially laminated materials like glulam and LVL. Anisotropy of such materials is taken into account by different properties according to grain direction and load types.", "properties": { "ApplicableStructuralDesignMethod": { "description": "Determines whether mechanical material properties are applicable to 'ASD' = allowable stress design (working stress design), 'LSD' = limit state design, or 'LRFD' = load and resistance factor design." @@ -5254,6 +5470,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcmaterialresource/pset/pset_materialwoodbasedbeam.htm" }, "Pset_MaterialWoodBasedPanel": { + "description": "This is a collection of mechanical properties related to wood-based materials for panel-like products like plywood or OSB. The propositions given above for wood-based beam materials with respect to anisotropy, strength graduation according to element sizes (especially panel thickness) apply accordingly.", "properties": { "ApplicableStructuralDesignMethod": { "description": "Determines whether mechanical material properties are applicable to 'ASD' = allowable stress design (working stress design), 'LSD' = limit state design, or 'LRFD' = load and resistance factor design." @@ -5376,6 +5593,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcmaterialresource/pset/pset_materialwoodbasedpanel.htm" }, "Pset_MechanicalFastenerAnchorBolt": { + "description": "Properties common to different types of anchor bolts.", "properties": { "AnchorBoltDiameter": { "description": "The nominal diameter of the anchor bolt bar(s)." @@ -5393,6 +5611,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedcomponentelements/pset/pset_mechanicalfasteneranchorbolt.htm" }, "Pset_MechanicalFastenerBolt": { + "description": "Properties related to bolt-type fasteners. The properties of a whole set with bolt, washers and nut may be provided. Note, it is usually not necessary to transmit these properties in case of standardized bolts. Instead, the standard is referred to.", "properties": { "HeadShape": { "description": "Shape of the bolt's head, e.g. 'Hexagon', 'Countersunk', 'Cheese'" @@ -5422,6 +5641,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedcomponentelements/pset/pset_mechanicalfastenerbolt.htm" }, "Pset_MechanicalFastenerCommon": { + "description": "Properties related to mechanical fasteners.", "properties": { "NominalDiameter": { "description": "The nominal diameter describing the cross-section size of the fastener type." @@ -5433,6 +5653,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedcomponentelements/pset/pset_mechanicalfastenercommon.htm" }, "Pset_MedicalDeviceTypeCommon": { + "description": "Medical device type common attributes.", "properties": { "Reference": { "description": "Reference ID for this specified type in this project (e.g. type 'A-1')." @@ -5444,6 +5665,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_medicaldevicetypecommon.htm" }, "Pset_MemberCommon": { + "description": "Properties common to the definition of all occurrences of IfcMember.", "properties": { "FireRating": { "description": "Fire rating for this object. It is given according to the national fire safety classification." @@ -5476,6 +5698,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/pset/pset_membercommon.htm" }, "Pset_MotorConnectionTypeCommon": { + "description": "Common properties for motor connections.", "properties": { "Reference": { "description": "Reference ID for this specified type in this project (e.g. type 'A-1'), provided, if there is no classification reference to a recognized classification system used." @@ -5487,6 +5710,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_motorconnectiontypecommon.htm" }, "Pset_OpeningElementCommon": { + "description": "Properties common to the definition of all instances of IfcOpeningElement.", "properties": { "FireExit": { "description": "Indication whether this object is designed to serve as an exit in the case of fire (TRUE) or not (FALSE). Here whether the space (in case of e.g., a corridor) is designed to serve as an exit space, e.g., for fire escape purposes." @@ -5507,6 +5731,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/pset/pset_openingelementcommon.htm" }, "Pset_OutletTypeCommon": { + "description": "Common properties for different outlet types.", "properties": { "IsPluggableOutlet": { "description": "Indication of whether the outlet accepts a loose plug connection (= TRUE) or whether it is directly connected (= FALSE) or whether the form of connection has not yet been determined (= UNKNOWN)." @@ -5524,6 +5749,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_outlettypecommon.htm" }, "Pset_OutsideDesignCriteria": { + "description": "Outside air conditions used as the basis for calculating thermal loads at peak conditions, as well as the weather data location from which these conditions were obtained.", "properties": { "BuildingThermalExposure": { "description": "The thermal exposure expected by the building based on surrounding site conditions." @@ -5562,6 +5788,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_outsidedesigncriteria.htm" }, "Pset_PackingInstructions": { + "description": "Packing instructions are specific instructions relating to the packing that is required for an artifact in the event of a move (or transport).", "properties": { "ContainerMaterial": { "description": "Special requirements for material used to contain an artefact." @@ -5579,6 +5806,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedmgmtelements/pset/pset_packinginstructions.htm" }, "Pset_Permit": { + "description": "A permit is a document that allows permission to gain access to an area or carry out work in a situation where security or other access restrictions apply.", "properties": { "EndDate": { "description": "Date and time at which the permit ceases to be valid." @@ -5596,6 +5824,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedmgmtelements/pset/pset_permit.htm" }, "Pset_PileCommon": { + "description": "Properties common to the definition of all occurrences of IfcPile.", "properties": { "LoadBearing": {}, "Reference": { @@ -5608,6 +5837,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcstructuralelementsdomain/pset/pset_pilecommon.htm" }, "Pset_PipeConnectionFlanged": { + "description": "This property set is used to define the specifics of a flanged pipe connection used between occurrences of pipe segments and fittings.", "properties": { "BoltSize": { "description": "Size of the bolts securing the flange." @@ -5637,6 +5867,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_pipeconnectionflanged.htm" }, "Pset_PipeFittingOccurrence": { + "description": "Pipe segment occurrence attributes attached to an instance of IfcPipeSegment.", "properties": { "Color": { "description": "The color of the pipe segment." @@ -5648,6 +5879,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_pipefittingoccurrence.htm" }, "Pset_PipeFittingPHistory": { + "description": "Pipe fitting performance history common attributes.", "properties": { "FlowrateLeakage": { "description": "Leakage flowrate versus pressure difference." @@ -5659,6 +5891,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_pipefittingphistory.htm" }, "Pset_PipeFittingTypeBend": { + "description": "Pipe fitting type attributes for bend shapes.", "properties": { "BendAngle": { "description": "The change of direction of flow." @@ -5670,6 +5903,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_pipefittingtypebend.htm" }, "Pset_PipeFittingTypeCommon": { + "description": "Pipe fitting type common attributes.", "properties": { "FittingLossFactor": { "description": "A factor that determines the pressure loss due to friction through the fitting." @@ -5693,6 +5927,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_pipefittingtypecommon.htm" }, "Pset_PipeFittingTypeJunction": { + "description": "Pipe fitting type attributes for junction shapes.", "properties": { "JunctionLeftAngle": { "description": "The change of direction of flow for the left junction." @@ -5713,6 +5948,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_pipefittingtypejunction.htm" }, "Pset_PipeSegmentOccurrence": { + "description": "Pipe segment occurrence attributes attached to an instance of IfcPipeSegment.", "properties": { "Color": { "description": "The color of the pipe segment." @@ -5730,6 +5966,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_pipesegmentoccurrence.htm" }, "Pset_PipeSegmentPHistory": { + "description": "Pipe segment performance history common attributes.", "properties": { "FluidFlowLeakage": { "description": "Volumetric leakage flow rate." @@ -5741,6 +5978,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_pipesegmentphistory.htm" }, "Pset_PipeSegmentTypeCommon": { + "description": "Pipe segment type common attributes.", "properties": { "InnerDiameter": { "description": "The actual inner diameter of the pipe." @@ -5770,6 +6008,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_pipesegmenttypecommon.htm" }, "Pset_PipeSegmentTypeCulvert": { + "description": "Covered channel or large pipe that forms a watercourse below ground level, usually under a road or railway (BS6100).", "properties": { "ClearDepth": { "description": "The clear depth of the culvert." @@ -5781,6 +6020,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_pipesegmenttypeculvert.htm" }, "Pset_PipeSegmentTypeGutter": { + "description": "Gutter segment type common attributes.", "properties": { "FlowRating": { "description": "Actual flow capacity for the gutter. Value of 0.00 means this value has not been set." @@ -5792,6 +6032,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_pipesegmenttypegutter.htm" }, "Pset_PlateCommon": { + "description": "Properties common to the definition of all occurrences of IfcPlate.", "properties": { "AcousticRating": { "description": "Acoustic rating for this object. It is provided according to the national building code. It indicates the sound transmission resistance of this object by an index ratio (instead of providing full sound absorbtion values)." @@ -5818,6 +6059,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/pset/pset_platecommon.htm" }, "Pset_PrecastConcreteElementFabrication": { + "description": "Production and manufacturing related properties common to different types of precast concrete elements. The Pset applies to manufactured pieces. It can be used by a number of subtypes of IfcBuildingElement. If the precast concrete ele", "properties": { "ActualErectionDate": { "description": "Date erected." @@ -5844,6 +6086,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcstructuralelementsdomain/pset/pset_precastconcreteelementfabrication.htm" }, "Pset_PrecastConcreteElementGeneral": { + "description": "Production and manufacturing related properties common to different types of precast concrete elements. The Pset can be used by a number of subtypes of IfcBuildingElement. If the precast concrete element is a sandwich wall panel each structural layer or shell represented by an IfcBuildingElementPart may be attached to a separate Pset of this type, if needed. Some of the properties apply only for specific types of precast concrete elements.", "properties": { "BatterAtEnd": { "description": "The angle, in radians, by which the formwork at the ending face of a piece is to be rotated from the vertical in order to compensate for the rotation of the face that will occur once the piece is stripped from its form, inducing camber due to eccentric prestressing." @@ -5909,6 +6152,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcstructuralelementsdomain/pset/pset_precastconcreteelementgeneral.htm" }, "Pset_PrecastSlab": { + "description": "Layout and component information defining how prestressed slab components are laid out in a precast slab assembly. The values are global defaults for the slab as a whole, but can be overridden by local placements of the individual com", "properties": { "AngleBetweenComponentAxes": { "description": "The angle between the axes of each pair of components." @@ -5938,6 +6182,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcstructuralelementsdomain/pset/pset_precastslab.htm" }, "Pset_ProfileArbitraryDoubleT": { + "description": "This is a collection of geometric properties of double-T section profiles of precast concrete elements, to be used in conjunction with IfcArbitraryProfileDef when profile designation alone does not fulfill the information requirements.", "properties": { "FlangeBaseFillet": { "description": "Flange base fillet of the profile." @@ -5988,6 +6233,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcprofileresource/pset/pset_profilearbitrarydoublet.htm" }, "Pset_ProfileArbitraryHollowCore": { + "description": "This is a collection of geometric properties of hollow core section profiles of precast concrete elements, to be used in conjunction with IfcArbitraryProfileDefWithVoids when profile designation alone does not fulfill the information requirements.", "properties": { "BaseChamfer": { "description": "Base chamfer of the profile." @@ -6062,6 +6308,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcprofileresource/pset/pset_profilearbitraryhollowcore.htm" }, "Pset_ProfileMechanical": { + "description": "This is a collection of mechanical properties that are applicable to virtually all profile classes. Most of these properties are especially used in structural analysis.", "properties": { "CentreOfGravityInX": { "description": "Location of the profile's centre of gravity (geometric centroid), measured along xp." @@ -6142,6 +6389,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcprofileresource/pset/pset_profilemechanical.htm" }, "Pset_ProjectOrderChangeOrder": { + "description": "A change order is an instruction to make a change to a product or work being undertake. Note that the change order status is defined in the same way as a work order status since a change order implies a work requirement.", "properties": { "BudgetSource": { "description": "The budget source requested." @@ -6153,6 +6401,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedmgmtelements/pset/pset_projectorderchangeorder.htm" }, "Pset_ProjectOrderMaintenanceWorkOrder": { + "description": "A MaintenanceWorkOrder is a detailed description of maintenance work that is to be performed. Note that the Scheduled Frequency property of the maintenance work order is used when the order is required as an instance of a scheduled work order.", "properties": { "ContractualType": { "description": "The contractual type of the work." @@ -6182,6 +6431,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedmgmtelements/pset/pset_projectordermaintenanceworkorder.htm" }, "Pset_ProjectOrderMoveOrder": { + "description": "Defines the requirements for move orders. Note that the move order status is defined in the same way as a work order status since a move order implies a work requirement.", "properties": { "SpecialInstructions": { "description": "Special instructions that affect the move." @@ -6190,6 +6440,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedmgmtelements/pset/pset_projectordermoveorder.htm" }, "Pset_ProjectOrderPurchaseOrder": { + "description": "Defines the requirements for purchase orders in a project.", "properties": { "IsFOB": { "description": "Indication of whether contents of the purchase order are delivered 'Free on Board' (= True) or not (= False). FOB is a shipping term which indicates that the supplier pays the shipping costs (and usually also the insurance costs) from the point of manufacture to a specified destination, at which point the buyer takes responsibility." @@ -6201,6 +6452,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedmgmtelements/pset/pset_projectorderpurchaseorder.htm" }, "Pset_ProjectOrderWorkOrder": { + "description": "Defines the requirements for purchase orders in a project.", "properties": { "ContractualType": { "description": "The contractual type of the work." @@ -6218,6 +6470,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedmgmtelements/pset/pset_projectorderworkorder.htm" }, "Pset_PropertyAgreement": { + "description": "A property agreement is an agreement that enables the occupation of a property for a period of time.", "properties": { "AgreementType": { "description": "Identifies the predefined types of property agreement from which the type required may be set." @@ -6259,6 +6512,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedfacilitieselements/pset/pset_propertyagreement.htm" }, "Pset_ProtectiveDeviceBreakerUnitI2TCurve": { + "description": "A coherent set of attributes representing a curve for let-through energy of a protective device. Note - A protective device may be associated with different instances of this pSet providing information related to different basic characteristics", "properties": { "BreakerUnitCurve": { "description": "A curve that establishes the let through energy of a breaker unit when a particular prospective current is applied. Note that the breaker unit curve is defined within a Cartesian coordinate system and this fact must be asserted within the property set:" @@ -6273,6 +6527,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_protectivedevicebreakeruniti2tcurve.htm" }, "Pset_ProtectiveDeviceBreakerUnitI2TFuseCurve": { + "description": "A coherent set of attributes representing curves for melting- and breaking-energy of a fuse. Note - A fuse may be associated with different instances of this property set providing information related to different basic characteristics.", "properties": { "BreakerUnitFuseBreakingingCurve": { "description": "A curve that establishes the let through breaking energy of a breaker unit when a particular prospective breaking current is applied. Note that the breaker unit fuse breaking curve is defined within a Cartesian coordinate system and this fact must be:" @@ -6287,6 +6542,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_protectivedevicebreakeruniti2tfusecurve.htm" }, "Pset_ProtectiveDeviceBreakerUnitIPICurve": { + "description": "A coherent set of attributes representing curves for let-through currents of a protective device. Note - A protective device may be associated with different instances of this pSet providing information related to different basic characteristics.", "properties": { "BreakerUnitIPICurve": { "description": "A curve that establishes the let through peak current of a breaker unit when a particular prospective current is applied. Note that the breaker unit IPI curve is defined within a Cartesian coordinate system and this fact must be asserted within the property set:" @@ -6301,6 +6557,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_protectivedevicebreakerunitipicurve.htm" }, "Pset_ProtectiveDeviceBreakerUnitTypeMCB": { + "description": "A coherent set of attributes representing the breaking capacities of an MCB. Note - A protective device may be associated with different instances of this property set providing information related to different basic characteristics.", "properties": { "ICN60898": { "description": "The nominal breaking capacity in [A] for an MCB tested in accordance with the IEC 60898 series." @@ -6327,6 +6584,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_protectivedevicebreakerunittypemcb.htm" }, "Pset_ProtectiveDeviceBreakerUnitTypeMotorProtection": { + "description": "A coherent set of attributes representing different capacities of a a motor protection device, defined in accordance with IEC 60947. Note - A protective device may be associated with different instances of this Pset.", "properties": { "ICM60947": { "description": "The making capacity in [A] for a circuit breaker or motor protection device tested in accordance with the IEC 60947 series." @@ -6350,6 +6608,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_protectivedevicebreakerunittypemotorprotection.htm" }, "Pset_ProtectiveDeviceOccurrence": { + "description": "Properties that are applied to an occurrence of a protective device.", "properties": { "GroundFaultCurrentSetValue": { "description": "Ground fault current set value. The set value of the ground tripping current if adjustable." @@ -6397,6 +6656,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_protectivedeviceoccurrence.htm" }, "Pset_ProtectiveDeviceTrippingCurve": { + "description": "Tripping curves are applied to thermal, thermal magnetic or MCB_RCD tripping units (i.e. tripping units having type property sets for thermal, thermal magnetic or MCB_RCD tripping defined). They are not applied to electronic tripping units.", "properties": { "TrippingCurve": { "description": "A curve that establishes the release time of a tripping unit when a particular prospective current is applied. Note that the tripping curve is defined within a Cartesian coordinate system and this fact must be asserted within the property set: " @@ -6408,6 +6668,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_protectivedevicetrippingcurve.htm" }, "Pset_ProtectiveDeviceTrippingFunctionGCurve": { + "description": "Tripping functions are applied to electronic tripping units (i.e. tripping units having type property sets for electronic tripping defined). They are not applied to thermal, thermal magnetic or RCD tripping units. This property set represent the ground fault protection (G-curve) of an electronic protection device", "properties": { "CurrentTolerance1": { "description": "The tolerance for the current of time/current-curve in [%]." @@ -6464,6 +6725,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_protectivedevicetrippingfunctiongcurve.htm" }, "Pset_ProtectiveDeviceTrippingFunctionICurve": { + "description": "Tripping functions are applied to electronic tripping units (i.e. tripping units having type property sets for electronic tripping defined). They are not applied to thermal, thermal magnetic or RCD tripping units. This property set represent the instantaneous time protection (I-curve) of an electronic protection device.", "properties": { "CurrentTolerance1": { "description": "The tolerance for the current of time/current-curve in [%]." @@ -6511,6 +6773,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_protectivedevicetrippingfunctionicurve.htm" }, "Pset_ProtectiveDeviceTrippingFunctionLCurve": { + "description": "Tripping functions are applied to electronic tripping units (i.e. tripping units having type property sets for electronic tripping defined). They are not applied to thermal, thermal magnetic or RCD tripping units. This property set represent the long time protection (L-curve) of an electronic protection device", "properties": { "IsSelectable": { "description": "Indication whether the L-function can be switched off or not." @@ -6543,6 +6806,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_protectivedevicetrippingfunctionlcurve.htm" }, "Pset_ProtectiveDeviceTrippingFunctionSCurve": { + "description": "Tripping functions are applied to electronic tripping units (i.e. tripping units having type property sets for electronic tripping defined). They are not applied to thermal, thermal magnetic or RCD tripping units. This property set represent the short time protection (S-curve) of an electronic protection device.", "properties": { "CurrentTolerance1": { "description": "The tolerance for the current of time/current-curve in [%]." @@ -6599,6 +6863,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_protectivedevicetrippingfunctionscurve.htm" }, "Pset_ProtectiveDeviceTrippingUnitCurrentAdjustment": { + "description": "A set of current adjustment values that may be applied to an electronic or thermal tripping unit type.", "properties": { "AdjustmentDesignation": { "description": "The desgnation on the device for the adjustment." @@ -6619,6 +6884,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_protectivedevicetrippingunitcurrentadjustment.htm" }, "Pset_ProtectiveDeviceTrippingUnitTimeAdjustment": { + "description": "A set of time adjustment values that may be applied to an electronic or thermal tripping unit type.", "properties": { "AdjustmentDesignation": { "description": "The desgnation on the device for the adjustment." @@ -6645,6 +6911,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_protectivedevicetrippingunittimeadjustment.htm" }, "Pset_ProtectiveDeviceTrippingUnitTypeCommon": { + "description": "Common information concerning tripping units that area associated with protective devices", "properties": { "AtexVerified": { "description": "An indication whether the tripping_unit is verified to be applied in EX-environment or not." @@ -6671,6 +6938,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_protectivedevicetrippingunittypecommon.htm" }, "Pset_ProtectiveDeviceTrippingUnitTypeElectroMagnetic": { + "description": "Information on tripping units that are electrically or magnetically tripped.", "properties": { "CurveDesignation": { "description": "The designation of the trippingcurve given by the manufacturer. For a MCB the designation should be in accordance with the designations given in IEC 60898." @@ -6706,6 +6974,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_protectivedevicetrippingunittypeelectromagnetic.htm" }, "Pset_ProtectiveDeviceTrippingUnitTypeElectronic": { + "description": "Information on tripping units that are electronically tripped.", "properties": { "ElectronicTrippingUnitType": { "description": "A list of the available types of electronic tripping unit from which that required may be selected." @@ -6729,6 +6998,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_protectivedevicetrippingunittypeelectronic.htm" }, "Pset_ProtectiveDeviceTrippingUnitTypeResidualCurrent": { + "description": "Information on tripping units that are activated by residual current.", "properties": { "TrippingUnitReleaseCurrent": { "description": "The value of tripping or residual current for which the device has the possibility to be equipped. The values are given in mA." @@ -6737,6 +7007,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_protectivedevicetrippingunittyperesidualcurrent.htm" }, "Pset_ProtectiveDeviceTrippingUnitTypeThermal": { + "description": "Information on tripping units that are thermally tripped.", "properties": { "CurveDesignation": { "description": "The designation of the trippingcurve given by the manufacturer. For a MCB the designation should be in accordance with the designations given in IEC 60898." @@ -6763,6 +7034,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_protectivedevicetrippingunittypethermal.htm" }, "Pset_ProtectiveDeviceTypeCircuitBreaker": { + "description": "A coherent set of attributes representing different capacities of a circuit breaker or of a motor protection device, defined in accordance with IEC 60947. Note - A protective device may be associated with different instances of this property set providing information related to different basic characteristics.", "properties": { "ICM60947": { "description": "The making capacity in [A] for a circuit breaker or motor protection device tested in accordance with the IEC 60947 series." @@ -6786,6 +7058,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_protectivedevicetypecircuitbreaker.htm" }, "Pset_ProtectiveDeviceTypeCommon": { + "description": "Properties that are applied to a definition of a protective device.", "properties": { "Reference": { "description": "Reference ID for this specified type in this project (e.g. type 'A-1'), provided, if there is no classification reference to a recognized classification system used." @@ -6797,6 +7070,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_protectivedevicetypecommon.htm" }, "Pset_ProtectiveDeviceTypeEarthLeakageCircuitBreaker": { + "description": "An earth failure device acts to protect people and equipment from the effects of current leakage.", "properties": { "EarthFailureDeviceType": { "description": "A list of the available types of circuit breaker from which that required may be selected where:" @@ -6808,6 +7082,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_protectivedevicetypeearthleakagecircuitbreaker.htm" }, "Pset_ProtectiveDeviceTypeFuseDisconnector": { + "description": "A coherent set of attributes representing the breakeing capacity of a fuse, defined in accordance with IEC 60269. Note - A protective device may be associated with different instances of this pSet providing information related to different basic characteristics.", "properties": { "FuseDisconnectorType": { "description": "A list of the available types of fuse disconnector from which that required may be selected where:" @@ -6825,6 +7100,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_protectivedevicetypefusedisconnector.htm" }, "Pset_ProtectiveDeviceTypeResidualCurrentCircuitBreaker": { + "description": "A residual current circuit breaker opens, closes or isolates a circuit and has short circuit and overload protection.", "properties": { "Sensitivity": { "description": "Current leakage to an unwanted leading path during normal operation (IEC 151-14-49)." @@ -6833,6 +7109,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_protectivedevicetyperesidualcurrentcircuitbreaker.htm" }, "Pset_ProtectiveDeviceTypeResidualCurrentSwitch": { + "description": "A residual current switch opens, closes or isolates a circuit and has no short circuit or overload protection.", "properties": { "Sensitivity": { "description": "Current leakage to an unwanted leading path during normal operation (IEC 151-14-49)." @@ -6841,6 +7118,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_protectivedevicetyperesidualcurrentswitch.htm" }, "Pset_ProtectiveDeviceTypeVaristor": { + "description": "A high voltage surge protection device.", "properties": { "VaristorType": { "description": "A list of the available types of varistor from which that required may be selected." @@ -6849,6 +7127,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_protectivedevicetypevaristor.htm" }, "Pset_PumpOccurrence": { + "description": "Pump occurrence attributes attached to an instance of IfcPump.", "properties": { "BaseType": { "description": "Defines general types of pump bases." @@ -6863,6 +7142,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_pumpoccurrence.htm" }, "Pset_PumpPHistory": { + "description": "Pump performance history attributes.", "properties": { "Flowrate": { "description": "The actual operational fluid flowrate." @@ -6886,6 +7166,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_pumpphistory.htm" }, "Pset_PumpTypeCommon": { + "description": "Common attributes of a pump type.", "properties": { "ConnectionSize": { "description": "The connection size of the to and from the pump." @@ -6915,6 +7196,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_pumptypecommon.htm" }, "Pset_RailingCommon": { + "description": "Properties common to the definition of all occurrences of IfcRailing.", "properties": { "Diameter": { "description": "Diameter of the object. It is the diameter of the handrail of the railing. The size information is provided in addition to the shape representation and the geometric parameters used within. In cases of inconsistency between the geometric parameters and the size properties, provided in the attached property set, the geometric parameters take precedence. Here the diameter of the hand or guardrail within the railing." @@ -6935,6 +7217,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/pset/pset_railingcommon.htm" }, "Pset_RampCommon": { + "description": "Properties common to the definition of all occurrences of IfcRamp.", "properties": { "FireExit": { "description": "Indication whether this object is designed to serve as an exit in the case of fire (TRUE) or not (FALSE). Here it defines an exit ramp in accordance to the national building code." @@ -6969,6 +7252,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/pset/pset_rampcommon.htm" }, "Pset_RampFlightCommon": { + "description": "Properties common to the definition of all occurrences of IfcRampFlight.", "properties": { "ClearWidth": { "description": "Actual clear width measured as the clear space for accessibility and egress; it is a measured distance betwen the two handrails or the wall and a handrail on a ramp. The shape information is provided in addition to the shape representation and the geometric parameters used within. In cases of inconsistency between the geometric parameters and the shape properties, provided in the attached property, the geometric parameters take precedence." @@ -6992,6 +7276,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/pset/pset_rampflightcommon.htm" }, "Pset_ReinforcementBarCountOfIndependentFooting": { + "description": "Reinforcement Concrete parameter [ST-2]: The amount number information of reinforcement bar with the independent footing. The X and Y direction are based on the local coordinate system of building storey. The X and Y direction of the reinforcement bar are parallel to the X and Y axis of the IfcBuildingStorey's local coordinate system, respectively.", "properties": { "Description": { "description": "Description of the reinforcement." @@ -7015,6 +7300,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcstructuralelementsdomain/pset/pset_reinforcementbarcountofindependentfooting.htm" }, "Pset_ReinforcementBarPitchOfBeam": { + "description": "The pitch length information of reinforcement bar with the beam.", "properties": { "Description": { "description": "Description of the reinforcement." @@ -7032,6 +7318,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcstructuralelementsdomain/pset/pset_reinforcementbarpitchofbeam.htm" }, "Pset_ReinforcementBarPitchOfColumn": { + "description": "The pitch length information of reinforcement bar with the column. The X and Y direction are based on the local coordinate system of building storey. The X and Y direction of the reinforcement bar are parallel to the X and Y axis of the IfcBuildingStorey's local coordinate system, respectively.", "properties": { "Description": { "description": "Description of the reinforcement." @@ -7061,6 +7348,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcstructuralelementsdomain/pset/pset_reinforcementbarpitchofcolumn.htm" }, "Pset_ReinforcementBarPitchOfContinuousFooting": { + "description": "Reinforcement Concrete parameter [ST-2]: The pitch length information of reinforcement bar with the continuous footing.", "properties": { "CrossingLowerBarPitch": { "description": "The pitch length of the crossing lower bar." @@ -7078,6 +7366,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcstructuralelementsdomain/pset/pset_reinforcementbarpitchofcontinuousfooting.htm" }, "Pset_ReinforcementBarPitchOfSlab": { + "description": "The pitch length information of reinforcement bar with the slab.", "properties": { "Description": { "description": "Description of the reinforcement." @@ -7125,6 +7414,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcstructuralelementsdomain/pset/pset_reinforcementbarpitchofslab.htm" }, "Pset_ReinforcementBarPitchOfWall": { + "description": "The pitch length information of reinforcement bar with the wall.", "properties": { "BarAllocationType": { "description": "Defines the type of the reinforcement bar allocation." @@ -7148,6 +7438,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcstructuralelementsdomain/pset/pset_reinforcementbarpitchofwall.htm" }, "Pset_ReinforcingBarCommon": { + "description": "Properties common to the definition of all occurrences of IfcReinforcingBar.", "properties": { "BarLength": { "description": "The total length of the reinforcing bar. The total length of bended bars are calculated according to local standards with corrections for the bends." @@ -7177,6 +7468,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcstructuralelementsdomain/pset/pset_reinforcingbarcommon.htm" }, "Pset_ReinforcingMeshCommon": { + "description": "Properties common to the definition of all occurrences of IfcReinforcingMesh.", "properties": { "LongitudinalBarNominalDiameter": {}, "LongitudinalBarSpacing": {}, @@ -7206,6 +7498,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcstructuralelementsdomain/pset/pset_reinforcingmeshcommon.htm" }, "Pset_Risk": { + "description": "An indication of exposure to mischance, peril, menace, hazard or loss.", "properties": { "AffectsSurroundings": { "description": "Indicates wether the risk affects only to the person assigned to that task (FALSE) or if it can also affect to the people in the surroundings (TRUE)." @@ -7244,6 +7537,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedfacilitieselements/pset/pset_risk.htm" }, "Pset_RoofCommon": { + "description": "Properties common to the definition of all occurrences of IfcRoof. Note: Properties for ProjectedArea and TotalArea added in IFC 2x3", "properties": { "AcousticRating": { "description": "Acoustic rating for this object. It is provided according to the national building code. It indicates the sound transmission resistance of this object by an index ratio (instead of providing full sound absorbtion values)." @@ -7268,6 +7562,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/pset/pset_roofcommon.htm" }, "Pset_SanitaryTerminalTypeBath": { + "description": "Sanitary appliance for immersion of the human body or parts of it (BS6100).", "properties": { "BathType": { "description": "The property enumeration defines the types of bath that may be specified within the property set." @@ -7282,6 +7577,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/pset/pset_sanitaryterminaltypebath.htm" }, "Pset_SanitaryTerminalTypeBidet": { + "description": "Waste water appliance for washing the excretory organs while sitting astride the bowl (BS6100).", "properties": { "DrainSize": { "description": "The size of the drain outlet connection from the object." @@ -7296,6 +7592,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/pset/pset_sanitaryterminaltypebidet.htm" }, "Pset_SanitaryTerminalTypeCistern": { + "description": "A water storage unit attached to a sanitary terminal that is fitted with a device, operated automatically or by the user, that discharges water to cleanse a water closet (toilet) pan, urinal or slop hopper. (BS6100 330 5008)", "properties": { "CisternCapacity": { "description": "Volumetric capacity of the cistern" @@ -7319,6 +7616,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/pset/pset_sanitaryterminaltypecistern.htm" }, "Pset_SanitaryTerminalTypeCommon": { + "description": "Common properties for sanitary terminals.", "properties": { "Color": { "description": "Color selection for this object." @@ -7340,6 +7638,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/pset/pset_sanitaryterminaltypecommon.htm" }, "Pset_SanitaryTerminalTypeSanitaryFountain": { + "description": "Asanitary terminal that provides a low pressure jet of water for a specific purpose (IAI).", "properties": { "DrainSize": { "description": "The size of the drain outlet connection from the object." @@ -7354,6 +7653,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/pset/pset_sanitaryterminaltypesanitaryfountain.htm" }, "Pset_SanitaryTerminalTypeShower": { + "description": "Installation or waste water appliance that emits a spray of water to wash the human body (BS6100).", "properties": { "DrainSize": { "description": "The size of the drain outlet connection from the object." @@ -7371,6 +7671,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/pset/pset_sanitaryterminaltypeshower.htm" }, "Pset_SanitaryTerminalTypeSink": { + "description": "Waste water appliance for receiving, retaining or disposing of domestic, culinary, laboratory or industrial process liquids.", "properties": { "Color": { "description": "Color selection for this object." @@ -7391,6 +7692,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/pset/pset_sanitaryterminaltypesink.htm" }, "Pset_SanitaryTerminalTypeToiletPan": { + "description": "Soil appliance for the disposal of excrement.", "properties": { "PanMounting": { "description": "The property enumeration Pset_SanitaryMountingEnum defines the forms of mounting or fixing of the sanitary terminal that may be specified within property sets used to define sanitary terminals (WC\u2019s, basins, sinks, etc.) where:-" @@ -7408,6 +7710,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/pset/pset_sanitaryterminaltypetoiletpan.htm" }, "Pset_SanitaryTerminalTypeUrinal": { + "description": "Soil appliance that receives urine and directs it to a waste outlet (BS6100).", "properties": { "Mounting": { "description": "Selection of the form of mounting from the enumerated list of mountings where:-" @@ -7422,6 +7725,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/pset/pset_sanitaryterminaltypeurinal.htm" }, "Pset_SanitaryTerminalTypeWashHandBasin": { + "description": "Waste water appliance for washing the upper parts of the body.", "properties": { "DrainSize": { "description": "The size of the drain outlet connection from the object." @@ -7439,6 +7743,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/pset/pset_sanitaryterminaltypewashhandbasin.htm" }, "Pset_SensorPHistory": { + "description": "Properties for history of controller values.", "properties": { "Direction": { "description": "Indicates sensed direction for sensors capturing magnitude and direction measured from True North (0 degrees) in a clockwise direction." @@ -7456,6 +7761,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_sensorphistory.htm" }, "Pset_SensorTypeCO2Sensor": { + "description": "A device that senses or detects carbon dioxide.", "properties": { "SetPointConcentration": { "description": "The carbon dioxide concentration to be sensed. Use IfcPropertyBoundedValue.SetPointValue to set the set point value." @@ -7464,6 +7770,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_sensortypeco2sensor.htm" }, "Pset_SensorTypeCommon": { + "description": "Sensor type common attributes.", "properties": { "Reference": { "description": "Reference ID for this specified type in this project (e.g. type 'A-1'), provided, if there is no classification reference to a recognized classification system used." @@ -7475,6 +7782,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_sensortypecommon.htm" }, "Pset_SensorTypeConductanceSensor": { + "description": "A device that senses or detects electrical conductance.", "properties": { "SetPointConductance": { "description": "The fill level value to be sensed. Use IfcPropertyBoundedValue.SetPointValue to set the set point value." @@ -7483,6 +7791,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_sensortypeconductancesensor.htm" }, "Pset_SensorTypeContactSensor": { + "description": "A device that senses or detects contact.", "properties": { "SetPointContact": { "description": "The contact value to be sensed. Use IfcPropertyBoundedValue.SetPointValue to set the set point value." @@ -7491,6 +7800,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_sensortypecontactsensor.htm" }, "Pset_SensorTypeFireSensor": { + "description": "A device that senses or detects the presence of fire.", "properties": { "AccuracyOfFireSensor": { "description": "The accuracy of the sensor." @@ -7505,6 +7815,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_sensortypefiresensor.htm" }, "Pset_SensorTypeFlowSensor": { + "description": "A device that senses or detects flow.", "properties": { "SetPointFlow": { "description": "The volumetric flow value to be sensed. Use IfcPropertyBoundedValue.SetPointValue to set the set point value." @@ -7513,6 +7824,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_sensortypeflowsensor.htm" }, "Pset_SensorTypeFrostSensor": { + "description": "A device that senses or detects the presense of frost.", "properties": { "SetPointFrost": { "description": "The detection of frost." @@ -7521,6 +7833,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_sensortypefrostsensor.htm" }, "Pset_SensorTypeGasSensor": { + "description": "A device that senses or detects gas.", "properties": { "CoverageArea": { "description": "The floor area that is covered by the sensor (typically measured as a circle whose center is at the location of the sensor)." @@ -7535,6 +7848,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_sensortypegassensor.htm" }, "Pset_SensorTypeHeatSensor": { + "description": "A device that senses or detects heat.", "properties": { "CoverageArea": { "description": "The area that is covered by the sensor (typically measured as a circle whose center is at the location of the sensor)." @@ -7549,6 +7863,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_sensortypeheatsensor.htm" }, "Pset_SensorTypeHumiditySensor": { + "description": "A device that senses or detects humidity.", "properties": { "SetPointHumidity": { "description": "The humidity value to be sensed. Use IfcPropertyBoundedValue.SetPointValue to set the set point value." @@ -7557,6 +7872,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_sensortypehumiditysensor.htm" }, "Pset_SensorTypeIdentifierSensor": { + "description": "A device that senses identification tags.", "properties": { "SetPointIdentifier": { "description": "The detected tag value." @@ -7565,6 +7881,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_sensortypeidentifiersensor.htm" }, "Pset_SensorTypeIonConcentrationSensor": { + "description": "A device that senses or detects ion concentration such as water hardness.", "properties": { "SetPointConcentration": { "description": "The ion concentration value to be sensed. Use IfcPropertyBoundedValue.SetPointValue to set the set point value." @@ -7576,6 +7893,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_sensortypeionconcentrationsensor.htm" }, "Pset_SensorTypeLevelSensor": { + "description": "A device that senses or detects fill level.", "properties": { "SetPointLevel": { "description": "The fill level value to be sensed. Use IfcPropertyBoundedValue.SetPointValue to set the set point value." @@ -7584,6 +7902,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_sensortypelevelsensor.htm" }, "Pset_SensorTypeLightSensor": { + "description": "A device that senses or detects light.", "properties": { "SetPointIlluminance": { "description": "The illuminance value to be sensed. Use IfcPropertyBoundedValue.SetPointValue to set the set point value." @@ -7592,6 +7911,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_sensortypelightsensor.htm" }, "Pset_SensorTypeMoistureSensor": { + "description": "A device that senses or detects moisture.", "properties": { "SetPointMoisture": { "description": "The moisture value to be sensed. Use IfcPropertyBoundedValue.SetPointValue to set the set point value." @@ -7600,6 +7920,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_sensortypemoisturesensor.htm" }, "Pset_SensorTypeMovementSensor": { + "description": "A device that senses or detects movement.", "properties": { "MovementSensingType": { "description": "Enumeration that identifies the type of movement sensing mechanism." @@ -7611,6 +7932,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_sensortypemovementsensor.htm" }, "Pset_SensorTypePHSensor": { + "description": "A device that senses or detects acidity.", "properties": { "SetPointPH": { "description": "The fill level value to be sensed. Use IfcPropertyBoundedValue.SetPointValue to set the set point value." @@ -7619,6 +7941,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_sensortypephsensor.htm" }, "Pset_SensorTypePressureSensor": { + "description": "A device that senses or detects pressure.", "properties": { "IsSwitch": { "description": "Identifies if the sensor also functions as a switch at the set point (=TRUE) or not (= FALSE)." @@ -7630,6 +7953,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_sensortypepressuresensor.htm" }, "Pset_SensorTypeRadiationSensor": { + "description": "A device that senses or detects radiation.", "properties": { "SetPointRadiation": { "description": "The radiation power value to be sensed. Use IfcPropertyBoundedValue.SetPointValue to set the set point value." @@ -7638,6 +7962,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_sensortyperadiationsensor.htm" }, "Pset_SensorTypeRadioactivitySensor": { + "description": "A device that senses or detects atomic decay.", "properties": { "SetPointRadioactivity": { "description": "The radioactivity value to be sensed. Use IfcPropertyBoundedValue.SetPointValue to set the set point value." @@ -7646,6 +7971,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_sensortyperadioactivitysensor.htm" }, "Pset_SensorTypeSmokeSensor": { + "description": "A device that senses or detects smoke.", "properties": { "CoverageArea": { "description": "The floor area that is covered by the sensor (typically measured as a circle whose center is at the location of the sensor)." @@ -7660,6 +7986,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_sensortypesmokesensor.htm" }, "Pset_SensorTypeSoundSensor": { + "description": "A device that senses or detects sound.", "properties": { "SetPointSound": { "description": "The sound pressure value to be sensed. Use IfcPropertyBoundedValue.SetPointValue to set the set point value." @@ -7668,6 +7995,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_sensortypesoundsensor.htm" }, "Pset_SensorTypeTemperatureSensor": { + "description": "A device that senses or detects temperature.", "properties": { "SetPointTemperature": { "description": "The temperature value to be sensed. Use IfcPropertyBoundedValue.SetPointValue to set the set point value." @@ -7679,6 +8007,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_sensortypetemperaturesensor.htm" }, "Pset_SensorTypeWindSensor": { + "description": "A device that senses or detects wind speed and direction.", "properties": { "SetPointSpeed": { "description": "The wind speed value to be sensed. Use IfcPropertyBoundedValue.SetPointValue to set the set point value." @@ -7690,6 +8019,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_sensortypewindsensor.htm" }, "Pset_ServiceLife": { + "description": "Captures the period of time that an artifact will last.", "properties": { "MeanTimeBetweenFailure": { "description": "The average time duration between instances of failure of a product." @@ -7701,6 +8031,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedfacilitieselements/pset/pset_servicelife.htm" }, "Pset_ServiceLifeFactors": { + "description": "Captures various factors that impact the expected service life of elements within the system or zone.", "properties": { "DesignLevel": { "description": "Adjustment of the service life resulting from the effect of design level employed." @@ -7727,6 +8058,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedfacilitieselements/pset/pset_servicelifefactors.htm" }, "Pset_ShadingDeviceCommon": { + "description": "Shading device properties associated with an element that represents a shading device", "properties": { "IsExternal": { "description": "Indication whether the element is designed for use in the exterior (TRUE) or not (FALSE). If (TRUE) it is an external element and faces the outside of the building." @@ -7768,6 +8100,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/pset/pset_shadingdevicecommon.htm" }, "Pset_ShadingDevicePHistory": { + "description": "Shading device performance history attributes.", "properties": { "Azimuth": { "description": "The azimuth of the outward normal for the outward or upward facing surface." @@ -7779,6 +8112,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_shadingdevicephistory.htm" }, "Pset_SiteCommon": { + "description": "Properties common to the definition of all occurrences of IfcSite. Please note that several site attributes are handled directly at the IfcSite instance, the site number (or short name) by IfcSite.Name, the site name (or long name) by IfcSite.LongName, and the description (or comments) by IfcSite.Description. The land title number is also given as an explicit attribute IfcSite.LandTitleNumber. Actual site quantities, like site perimeter, site area and site volume are provided by IfcElementQuantity, and site classification according to national building code by IfcClassificationReference. The global positioning of the site in terms of Northing and Easting and height above sea level datum is given by IfcSite.RefLongitude, IfcSite.RefLatitude, IfcSite.RefElevation and the postal address by IfcSite.SiteAddress.", "properties": { "BuildableArea": { "description": "The area of site utilization expressed as a maximum value according to local building codes." @@ -7802,6 +8136,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/pset/pset_sitecommon.htm" }, "Pset_SlabCommon": { + "description": "Properties common to the definition of all occurrences of IfcSlab. Note: Properties for PitchAngle added in IFC 2x3", "properties": { "AcousticRating": { "description": "Acoustic rating for this object. It is provided according to the national building code. It indicates the sound transmission resistance of this object by an index ratio (instead of providing full sound absorbtion values)." @@ -7840,6 +8175,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/pset/pset_slabcommon.htm" }, "Pset_SolarDeviceTypeCommon": { + "description": "Common properties for solar device types.", "properties": { "ActiveCellSurfaceAreaFraction": { "description": "The percentage of surface area containing active solar cells. Note: the surface area may be provided at Qto_SolarDeviceBaseQuantities.GrossArea." @@ -7857,6 +8193,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_solardevicetypecommon.htm" }, "Pset_SoundAttenuation": { + "description": "Common definition to capture sound pressure at a point on behalf of a device typically used within the context of building services and flow distribution systems. To indicate sound values from an instance of IfcDistributionFlowElement at a particular location, IfcAnnotation instance(s) should be assigned to the IfcDistributionFlowElement through the IfcRelAssignsToProduct relationship. The IfcAnnotation should specify ObjectType of 'Sound' and geometric representation of 'Annotation Point' consisting of a single IfcPoint subtype as described at IfcAnnotation. This property set is instantiated multiple times on an object for each frequency band.", "properties": { "SoundFrequency": { "description": "List of nominal sound frequencies, correlated to the SoundPressure time series values (IfcTimeSeries.ListValues)" @@ -7871,6 +8208,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_soundattenuation.htm" }, "Pset_SoundGeneration": { + "description": "Common definition to capture the properties of sound typically used within the context of building services and flow distribution systems. This property set is instantiated multiple times on an object for each frequency band.", "properties": { "SoundCurve": { "description": "Table of sound frequencies and sound power measured in decibels at a reference power of 1 picowatt(10\\^(-12) watt) for the referenced octave band frequency." @@ -7879,6 +8217,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_soundgeneration.htm" }, "Pset_SpaceCommon": { + "description": "Properties common to the definition of all occurrences of IfcSpace. Please note that several space attributes are handled directly at the IfcSpace instance, the space number (or short name) by IfcSpace.Name, the space name (or long name) by IfcSpace:LongName, and the description (or comments) by IfcSpace.Description. Actual space quantities, like space perimeter, space area and space volume are provided by IfcElementQuantity, and space classification according to national building code by IfcClassificationReference. The level above zero (relative to the building) for the slab row construction is provided by the IfcBuildingStorey.Elevation, the level above zero (relative to the building) for the floor finish is provided by the IfcSpace.ElevationWithFlooring.", "properties": { "GrossPlannedArea": { "description": "Total planned gross area for the space. Used for programming the space." @@ -7902,6 +8241,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/pset/pset_spacecommon.htm" }, "Pset_SpaceCoveringRequirements": { + "description": "Properties common to the definition of covering requirements of IfcSpace. Those properties define the requirements coming from a space program in early project phases and can later be used to define the room book information, if such coverings are not modeled explicitly as covering elements.", "properties": { "CeilingCovering": { "description": "Label to indicate the material or finish of the space flooring. The label is used for room book information and often displayed in room stamp." @@ -7949,6 +8289,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/pset/pset_spacecoveringrequirements.htm" }, "Pset_SpaceFireSafetyRequirements": { + "description": "Properties related to fire protection of spaces that apply to the occurrences of IfcSpace or IfcZone.", "properties": { "AirPressurization": { "description": "Indication whether the space is required to have pressurized air (TRUE) or not (FALSE)." @@ -7972,6 +8313,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/pset/pset_spacefiresafetyrequirements.htm" }, "Pset_SpaceHeaterPHistory": { + "description": "Space heater performance history common attributes.", "properties": { "AirResistanceCurve": { "description": "Air resistance curve (w/ fan only); Pressure = f ( flow rate)." @@ -8013,6 +8355,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_spaceheaterphistory.htm" }, "Pset_SpaceHeaterTypeCommon": { + "description": "Space heater type common attributes. SoundLevel attribute deleted in IFC2x2 Pset Addendum: Use IfcSoundProperties instead. Properties added in IFC4.", "properties": { "BodyMass": { "description": "Overall body mass of the heater." @@ -8057,6 +8400,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_spaceheatertypecommon.htm" }, "Pset_SpaceHeaterTypeConvector": { + "description": "Space heater type convector attributes.", "properties": { "ConvectorType": { "description": "Indicates the type of convector, whether forced air (mechanically driven) or natural (gravity)." @@ -8065,6 +8409,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_spaceheatertypeconvector.htm" }, "Pset_SpaceHeaterTypeRadiator": { + "description": "Space heater type radiator attributes.", "properties": { "RadiatorType": { "description": "Indicates the type of radiator." @@ -8079,6 +8424,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_spaceheatertyperadiator.htm" }, "Pset_SpaceLightingRequirements": { + "description": "Properties related to the lighting requirements that apply to the occurrences of IfcSpace or IfcZone. This includes the required artificial lighting, illuminance, etc.", "properties": { "ArtificialLighting": { "description": "Indication whether this space requires artificial lighting (as natural lighting would be not sufficient). (TRUE) indicates yes (FALSE) otherwise." @@ -8090,6 +8436,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/pset/pset_spacelightingrequirements.htm" }, "Pset_SpaceOccupancyRequirements": { + "description": "Properties concerning work activities occurring or expected to occur within one or a set of similar spatial structure elements.", "properties": { "AreaPerOccupant": { "description": "Design occupancy loading for this type of usage assigned to this space." @@ -8116,6 +8463,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/pset/pset_spaceoccupancyrequirements.htm" }, "Pset_SpaceParking": { + "description": "Properties common to the definition of all occurrences of IfcSpace which have an attribute value for ObjectType = 'Parking'. NOTE: Modified in IFC 2x3, properties ParkingUse and ParkingUnits added.", "properties": { "IsAisle": { "description": "Indicates that this parking zone is for accessing the parking units, i.e. an aisle (TRUE) and not a parking unit itself (FALSE)" @@ -8133,6 +8481,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/pset/pset_spaceparking.htm" }, "Pset_SpaceThermalDesign": { + "description": "Space or zone HVAC design requirements.", "properties": { "BoundaryAreaHeatLoss": { "description": "Heat loss per unit area for the boundary object. This is a design input value for use in the absence of calculated load data." @@ -8177,6 +8526,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_spacethermaldesign.htm" }, "Pset_SpaceThermalLoad": { + "description": "The space thermal load defines all thermal losses and gains occurring within a space or zone. The thermal load source attribute defines an enumeration of possible sources of the thermal load. The maximum, minimum, time series and app", "properties": { "AirExchangeRate": { "description": "Loads from the air exchange rate." @@ -8224,6 +8574,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_spacethermalload.htm" }, "Pset_SpaceThermalLoadPHistory": { + "description": "The space thermal load IfcSpaceThermalLoadProperties defines actual measured thermal losses and gains occurring within a space or zone. The thermal load source attribute defines an enumeration of possible sources of the thermal load.", "properties": { "AirExchangeRate": { "description": "Loads from the air exchange rate." @@ -8271,6 +8622,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_spacethermalloadphistory.htm" }, "Pset_SpaceThermalPHistory": { + "description": "Thermal and air flow conditions of a space or zone.", "properties": { "CoolingAirFlowRate": { "description": "Cooling air flow rate in the space." @@ -8294,6 +8646,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_spacethermalphistory.htm" }, "Pset_SpaceThermalRequirements": { + "description": "Properties related to the comfort requirements for thermal and other thermal related performance properties of spaces that apply to the occurrences of IfcSpace, IfcSpatialZone or IfcZone. It can also be used to capture requirements for IfcSpaceType's. This includes the required design temperature, humidity, ventilation, and air conditioning.", "properties": { "AirConditioning": { "description": "Indication whether this space requires air conditioning provided (TRUE) or not (FALSE)." @@ -8362,6 +8715,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/pset/pset_spatialzonecommon.htm" }, "Pset_StackTerminalTypeCommon": { + "description": "Common properties for stack terminals.", "properties": { "Reference": { "description": "Reference ID for this specified type in this project (e.g. type 'A-1'), provided, if there is no classification reference to a recognized classification system used." @@ -8373,6 +8727,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/pset/pset_stackterminaltypecommon.htm" }, "Pset_StairCommon": { + "description": "Properties common to the definition of all occurrences of IfcStair.", "properties": { "FireExit": { "description": "Indication whether this object is designed to serve as an exit in the case of fire (TRUE) or not (FALSE). Here it defines an exit stair in accordance to the national building code." @@ -8431,6 +8786,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/pset/pset_staircommon.htm" }, "Pset_StairFlightCommon": { + "description": "Properties common to the definition of all occurrences of IfcStairFlight.", "properties": { "Headroom": { "description": "Actual headroom clearance for the passageway according to the current design. The shape information is provided in addition to the shape representation and the geometric parameters used within. In cases of inconsistency between the geometric parameters and the shape properties, provided in the attached property, the geometric parameters take precedence." @@ -8472,6 +8828,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/pset/pset_stairflightcommon.htm" }, "Pset_StructuralSurfaceMemberVaryingThickness": { + "description": "Thickness parameters of a surface member (structural analysis item) with varying thickness, particularly with linearly varying thickness. The thickness is interpolated/ extrapolated from three points. The locations of these points are given either in local x,y coordinates of the surface member or in global X,Y,Z coordinates. Either way, these points are required to be located within the face or at the bounds of the face of the surface member, and they must not be located on a common line. Local and global coordinates shall not be mixed within the same property set instance.", "properties": { "Location1Global": { "description": "Global X,Y,Z coordinates of the point in which Thickness1 is given" @@ -8504,6 +8861,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcstructuralanalysisdomain/pset/pset_structuralsurfacemembervaryingthickness.htm" }, "Pset_SwitchingDeviceTypeCommon": { + "description": "A switching device is a device designed to make or break the current in one or more electric circuits.", "properties": { "HasLock": { "description": "Indication of whether a switching device has a key operated lock (=TRUE) or not (= FALSE)." @@ -8533,6 +8891,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_switchingdevicetypecommon.htm" }, "Pset_SwitchingDeviceTypeContactor": { + "description": "An electrical device used to control the flow of power in a circuit on or off.", "properties": { "ContactorType": { "description": "A list of the available types of contactor from which that required may be selected where:" @@ -8541,6 +8900,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_switchingdevicetypecontactor.htm" }, "Pset_SwitchingDeviceTypeDimmerSwitch": { + "description": "A dimmer switch is a switch that adjusts electrical power through a variable position level action.", "properties": { "DimmerType": { "description": "A list of the available types of dimmer switch from which that required may be selected." @@ -8549,6 +8909,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_switchingdevicetypedimmerswitch.htm" }, "Pset_SwitchingDeviceTypeEmergencyStop": { + "description": "An emergency stop device acts to remove as quickly as possible any danger that may have arisen unexpectedly.", "properties": { "SwitchOperation": { "description": "Indicates operation of emergency stop switch." @@ -8557,6 +8918,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_switchingdevicetypeemergencystop.htm" }, "Pset_SwitchingDeviceTypeKeypad": { + "description": "A keypad is a switch supporting multiple functions.", "properties": { "KeypadType": { "description": "A list of the available types of keypad switch from which that required may be selected." @@ -8565,6 +8927,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_switchingdevicetypekeypad.htm" }, "Pset_SwitchingDeviceTypeMomentarySwitch": { + "description": "A momentary switch is a switch that does not hold state.", "properties": { "MomentaryType": { "description": "A list of the available types of momentary switch from which that required may be selected." @@ -8573,6 +8936,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_switchingdevicetypemomentaryswitch.htm" }, "Pset_SwitchingDeviceTypePHistory": { + "description": "Indicates switch positions or levels over time, such as for energy management or surveillance.", "properties": { "SetPoint": { "description": "Indicates the switch position over time according to Pset_SwitchingDeviceTypeCommon.SetPoint." @@ -8581,6 +8945,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_switchingdevicetypephistory.htm" }, "Pset_SwitchingDeviceTypeSelectorSwitch": { + "description": "A selector switch is a switch that adjusts electrical power through a multi-position action.", "properties": { "SelectorType": { "description": "A list of the available types of selector switch from which that required may be selected." @@ -8595,6 +8960,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_switchingdevicetypeselectorswitch.htm" }, "Pset_SwitchingDeviceTypeStarter": { + "description": "A starter is a switch which in the closed position controls the application of power to an electrical device.", "properties": { "StarterType": { "description": "A list of the available types of starter from which that required may be selected where:" @@ -8603,6 +8969,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_switchingdevicetypestarter.htm" }, "Pset_SwitchingDeviceTypeSwitchDisconnector": { + "description": "A switch disconnector is a switch which in the open position satisfies the isolating requirements specified for a disconnector.", "properties": { "LoadDisconnectionType": { "description": "A list of the available types of load disconnection from which that required may be selected." @@ -8614,6 +8981,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_switchingdevicetypeswitchdisconnector.htm" }, "Pset_SwitchingDeviceTypeToggleSwitch": { + "description": "A toggle switch is a switch that enables or isolates electrical power through a two position on/off action.", "properties": { "SwitchActivation": { "description": "A list of the available activations for toggle switches from which that required may be selected." @@ -8628,6 +8996,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_switchingdevicetypetoggleswitch.htm" }, "Pset_SystemFurnitureElementTypeCommon": { + "description": "Common properties for all systems furniture (I.e. modular furniture) element types (e.g. vertical panels, work surfaces, and storage).", "properties": { "Finishing": { "description": "The finishing applied to system furniture elements of this type e.g. walnut, fabric." @@ -8648,6 +9017,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedfacilitieselements/pset/pset_systemfurnitureelementtypecommon.htm" }, "Pset_SystemFurnitureElementTypePanel": { + "description": "A set of specific properties for vertical panels that assembly workstations..", "properties": { "FurniturePanelType": { "description": "Available panel types from which that required may be selected." @@ -8662,6 +9032,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedfacilitieselements/pset/pset_systemfurnitureelementtypepanel.htm" }, "Pset_SystemFurnitureElementTypeWorkSurface": { + "description": "A set of specific properties for work surfaces used in workstations.", "properties": { "HangingHeight": { "description": "The hanging height of the worksurface." @@ -8682,6 +9053,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedfacilitieselements/pset/pset_systemfurnitureelementtypeworksurface.htm" }, "Pset_TankOccurrence": { + "description": "Properties that relate to a tank. Note that a partial tank may be considered as a compartment within a compartmentalized tank.", "properties": { "HasLadder": { "description": "Indication of whether the tank is provided with a ladder (set TRUE) for access to the top. If no ladder is provided then value is set FALSE." @@ -8696,6 +9068,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_tankoccurrence.htm" }, "Pset_TankPHistory": { + "description": "Tank performance history common attributes.", "properties": { "Level": { "description": "The level of the tank as a fraction of its available capacity." @@ -8710,6 +9083,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_tankphistory.htm" }, "Pset_TankTypeCommon": { + "description": "Common attributes of a tank type.", "properties": { "AccessType": { "description": "Defines the types of access (or cover) to a tank that may be specified." @@ -8760,6 +9134,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_tanktypecommon.htm" }, "Pset_TankTypeExpansion": { + "description": "Common attributes of an expansion type tank.", "properties": { "ChargePressure": { "description": "Nominal or design operating pressure of the tank." @@ -8774,6 +9149,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_tanktypeexpansion.htm" }, "Pset_TankTypePreformed": { + "description": "Fixed vessel manufactured as a single unit with one or more compartments for storing a liquid.", "properties": { "EndShapeType": { "description": "Defines the types of end shapes that can be used for preformed tanks. The convention for reading these enumerated values is that for a vertical cylinder, the first value is the base and the second is the top; for a horizontal cylinder, the order of reading should be left to right. For a speherical tank, the value UNSET should be used." @@ -8791,6 +9167,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_tanktypepreformed.htm" }, "Pset_TankTypePressureVessel": { + "description": "Common attributes of a pressure vessel.", "properties": { "ChargePressure": { "description": "Nominal or design operating pressure of the tank." @@ -8805,6 +9182,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_tanktypepressurevessel.htm" }, "Pset_TankTypeSectional": { + "description": "Fixed vessel constructed from sectional parts with one or more compartments for storing a liquid.", "properties": { "NumberOfSections": { "description": "Number of sections used in the construction of the tank" @@ -8819,6 +9197,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_tanktypesectional.htm" }, "Pset_TendonAnchorCommon": { + "description": "Properties common to the definition of all occurrences of IfcTendonAnchor.", "properties": { "Reference": { "description": "Reference ID for this specified type in this project (e.g. type 'A-1')." @@ -8830,6 +9209,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcstructuralelementsdomain/pset/pset_tendonanchorcommon.htm" }, "Pset_TendonCommon": { + "description": "Properties common to the definition of all occurrences of IfcTendon.", "properties": { "NominalDiameter": { "description": "The nominal diameter defining the cross-section size of the prestressed part of the tendon." @@ -8847,6 +9227,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcstructuralelementsdomain/pset/pset_tendoncommon.htm" }, "Pset_ThermalLoadAggregate": { + "description": "The aggregated thermal loads experienced by one or many spaces, zones, or buildings. This aggregate thermal load information is typically addressed by a system or plant.", "properties": { "ApplianceDiversity": { "description": "Diversity of appliance load." @@ -8873,6 +9254,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_thermalloadaggregate.htm" }, "Pset_ThermalLoadDesignCriteria": { + "description": "Building thermal load design data that are used for calculating thermal loads in a space or building.", "properties": { "AppliancePercentLoadToRadiant": { "description": "Percent of sensible load to radiant heat." @@ -8896,6 +9278,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_thermalloaddesigncriteria.htm" }, "Pset_TransformerTypeCommon": { + "description": "An inductive stationary device that transfers electrical energy from one circuit to another.", "properties": { "EfficiencyCurve": { "description": "The ratio of power transformed according to fractional load, where the first value indicates the load percentage and the second value indicates the efficiency of power transformation." @@ -8961,6 +9344,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/pset/pset_transformertypecommon.htm" }, "Pset_TransportElementCommon": { + "description": "Properties common to the definition of all occurrences of IfcTransportElement or IfcTransportElementType", "properties": { "CapacityPeople": { "description": "Capacity of the transportation element measured in numbers of person." @@ -8981,6 +9365,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/pset/pset_transportelementcommon.htm" }, "Pset_TransportElementElevator": { + "description": "Properties common to the definition of all occurrences of IfcTransportElement with the predefined type =\"ELEVATOR\"", "properties": { "ClearDepth": { "description": "Clear depth of the object (elevator). It indicates the distance from the inner surface of the elevator door to the opposite surface of the elevator car. The shape information is provided in addition to the shape representation and the geometric parameters used within. In cases of inconsistency between the geometric parameters and the shape properties, provided in the attached property, the geometric parameters take precedence." @@ -8998,6 +9383,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/pset/pset_transportelementelevator.htm" }, "Pset_TubeBundleTypeCommon": { + "description": "Tube bundle type common attributes.", "properties": { "FoulingFactor": { "description": "Fouling factor of the tubes in the tube bundle." @@ -9051,6 +9437,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_tubebundletypecommon.htm" }, "Pset_TubeBundleTypeFinned": { + "description": "Finned tube bundle type attributes. Contains the attributes related to the fins attached to a tube in a finned tube bundle such as is commonly found in coils.", "properties": { "Diameter": { "description": "Actual diameter of a fin for circular fins only." @@ -9080,6 +9467,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_tubebundletypefinned.htm" }, "Pset_UnitaryControlElementPHistory": { + "description": "Properties for history and operating schedules of thermostats.", "properties": { "Fan": { "description": "Indicates fan operation where True is on, False is off, and Unknown is automatic." @@ -9097,6 +9485,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_unitarycontrolelementphistory.htm" }, "Pset_UnitaryControlElementTypeCommon": { + "description": "Unitary control element type common attributes.", "properties": { "Mode": { "description": "Table mapping operation mode identifiers to descriptive labels, which may be used for interpreting Pset_UnitaryControlElementPHistory.Mode." @@ -9111,6 +9500,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_unitarycontrolelementtypecommon.htm" }, "Pset_UnitaryControlElementTypeIndicatorPanel": { + "description": "Unitary control element type indicator panel attributes.", "properties": { "Application": { "description": "The application of the unitary control element." @@ -9119,6 +9509,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_unitarycontrolelementtypeindicatorpanel.htm" }, "Pset_UnitaryControlElementTypeThermostat": { + "description": "Unitary control element type thermostat attributes.", "properties": { "TemperatureSetPoint": { "description": "The temperature setpoint range and default setpoint." @@ -9127,6 +9518,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/pset/pset_unitarycontrolelementtypethermostat.htm" }, "Pset_UnitaryEquipmentTypeAirConditioningUnit": { + "description": "Air conditioning unit equipment type attributes. Note that these attributes were formely Pset_PackagedACUnit prior to IFC2x2. HeatingEnergySource attribute deleted in IFC2x2 Pset Addendum: Use IfcEnergyProperties, IfcFuelProperties, etc. instead.", "properties": { "CondenserEnteringTemperature": { "description": "Temperature of fluid entering condenser." @@ -9159,6 +9551,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_unitaryequipmenttypeairconditioningunit.htm" }, "Pset_UnitaryEquipmentTypeAirHandler": { + "description": "Air handler unitary equipment type attributes. Note that these attributes were formerly Pset_AirHandler prior to IFC2x2.", "properties": { "AirHandlerConstruction": { "description": "Enumeration defining how the air handler might be fabricated." @@ -9173,6 +9566,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_unitaryequipmenttypeairhandler.htm" }, "Pset_UnitaryEquipmentTypeCommon": { + "description": "Unitary equipment type common attributes.", "properties": { "Reference": { "description": "Reference ID for this specified type in this project (e.g. type 'A-1')." @@ -9184,6 +9578,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_unitaryequipmenttypecommon.htm" }, "Pset_UtilityConsumptionPHistory": { + "description": "Consumption of utility resources, typically applied to the IfcBuilding instance, used to identify how much was consumed on I.e., a monthly basis.", "properties": { "Electricity": { "description": "The amount of electricity consumed during the period specified in the time series." @@ -9204,6 +9599,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/pset/pset_utilityconsumptionphistory.htm" }, "Pset_ValvePHistory": { + "description": "Valve performance history common attributes of a typical 2 port pattern type valve.", "properties": { "MeasuredFlowRate": { "description": "The rate of flow of a fluid measured across the valve." @@ -9218,6 +9614,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_valvephistory.htm" }, "Pset_ValveTypeAirRelease": { + "description": "Valve used to release air from a pipe or fitting. Note that an air release valve is constrained to have a single port pattern", "properties": { "IsAutomatic": { "description": "Indication of whether the valve is automatically operated (TRUE) or manually operated (FALSE)." @@ -9226,6 +9623,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_valvetypeairrelease.htm" }, "Pset_ValveTypeCommon": { + "description": "Valve type common attributes.", "properties": { "CloseOffRating": { "description": "Close off rating." @@ -9259,6 +9657,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_valvetypecommon.htm" }, "Pset_ValveTypeDrawOffCock": { + "description": "A small diameter valve, used to drain water from a cistern or water filled system.", "properties": { "HasHoseUnion": { "description": "Indicates whether the drawoff cock is fitted with a hose union connection (= TRUE) or not (= FALSE)." @@ -9267,6 +9666,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_valvetypedrawoffcock.htm" }, "Pset_ValveTypeFaucet": { + "description": "A small diameter valve, with a free outlet, from which water is drawn.", "properties": { "FaucetFunction": { "description": "Defines the operating temperature of a faucet that may be specified." @@ -9287,6 +9687,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_valvetypefaucet.htm" }, "Pset_ValveTypeFlushing": { + "description": "Valve that flushes a predetermined quantity of water to cleanse a WC, urinal or slop hopper. Note that a flushing valve is constrained to have a 2 port pattern.", "properties": { "FlushingRate": { "description": "The predetermined quantity of water to be flushed." @@ -9301,6 +9702,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_valvetypeflushing.htm" }, "Pset_ValveTypeGasTap": { + "description": "A small diameter valve, used to discharge gas from a system.", "properties": { "HasHoseUnion": { "description": "Indicates whether the gas tap is fitted with a hose union connection (= TRUE) or not (= FALSE)." @@ -9309,6 +9711,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_valvetypegastap.htm" }, "Pset_ValveTypeIsolating": { + "description": "Valve that is used to isolate system components. Note that an isolating valve is constrained to have a 2 port pattern.", "properties": { "IsNormallyOpen": { "description": "If TRUE, the valve is normally open. If FALSE is is normally closed." @@ -9320,6 +9723,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_valvetypeisolating.htm" }, "Pset_ValveTypeMixing": { + "description": "A valve where typically the temperature of the outlet is determined by mixing hot and cold water inlet flows.", "properties": { "MixerControl": { "description": "Defines the form of control of the mixing valve." @@ -9331,6 +9735,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_valvetypemixing.htm" }, "Pset_ValveTypePressureReducing": { + "description": "Valve that reduces the pressure of a fluid immediately downstream of its position in a pipeline to a preselected value or by a predetermined ratio. Note that a pressure reducing valve is constrained to have a 2 port pattern.", "properties": { "DownstreamPressure": { "description": "The operating pressure of the fluid downstream of the pressure reducing valve." @@ -9342,6 +9747,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_valvetypepressurereducing.htm" }, "Pset_ValveTypePressureRelief": { + "description": "Spring or weight loaded valve that automatically discharges to a safe place fluid that has built up to excessive pressure in pipes or fittings. Note that a pressure relief valve is constrained to have a single port pattern.", "properties": { "ReliefPressure": { "description": "The pressure at which the spring or weight in the valve is set to discharge fluid." @@ -9350,6 +9756,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_valvetypepressurerelief.htm" }, "Pset_VibrationIsolatorTypeCommon": { + "description": "Vibration isolator type common attributes.", "properties": { "IsolatorCompressibility": { "description": "The compressibility of the vibration isolator." @@ -9374,6 +9781,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/pset/pset_vibrationisolatortypecommon.htm" }, "Pset_WallCommon": { + "description": "Properties common to the definition of all occurrences of IfcWall and IfcWallStandardCase.", "properties": { "AcousticRating": { "description": "Acoustic rating for this object. It is provided according to the national building code. It indicates the sound transmission resistance of this object by an index ratio (instead of providing full sound absorbtion values)." @@ -9412,6 +9820,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/pset/pset_wallcommon.htm" }, "Pset_Warranty": { + "description": "An assurance given by the seller or provider of an artefact that the artefact is without defects and will operate as described for a defined period of time without failure and that if a defect does arise during that time, that it will be corrected by the seller or provider.", "properties": { "Exclusions": { "description": "Items, conditions or actions that may be excluded from the warranty or that may cause the warranty to become void." @@ -9441,6 +9850,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedfacilitieselements/pset/pset_warranty.htm" }, "Pset_WasteTerminalTypeCommon": { + "description": "Common properties for waste terminals.", "properties": { "Reference": { "description": "Reference ID for this specified type in this project (e.g. type 'A-1'), provided, if there is no classification reference to a recognized classification system used." @@ -9452,6 +9862,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/pset/pset_wasteterminaltypecommon.htm" }, "Pset_WasteTerminalTypeFloorTrap": { + "description": "Pipe fitting, set into the floor, that retains liquid to prevent the passage of foul air.", "properties": { "CoverLength": { "description": "The length measured along the x-axis in the local coordinate system or the radius (in the case of a circular shape in plan) of the cover of the trap." @@ -9496,6 +9907,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/pset/pset_wasteterminaltypefloortrap.htm" }, "Pset_WasteTerminalTypeFloorWaste": { + "description": "Pipe fitting, set into the floor, that collects waste water and discharges it to a separate trap.", "properties": { "CoverLength": { "description": "The length measured along the x-axis in the local coordinate system or the radius (in the case of a circular shape in plan) of the cover of the waste." @@ -9519,6 +9931,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/pset/pset_wasteterminaltypefloorwaste.htm" }, "Pset_WasteTerminalTypeGullySump": { + "description": "Pipe fitting or assembly of fittings to receive surface water or waste water, fitted with a grating or sealed cover.", "properties": { "BackInletPatternType": { "description": "Identifies the pattern of inlet connections to a gully trap." @@ -9554,6 +9967,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/pset/pset_wasteterminaltypegullysump.htm" }, "Pset_WasteTerminalTypeGullyTrap": { + "description": "Pipe fitting or assembly of fittings to receive surface water or waste water, fitted with a grating or sealed cover and discharging through a trap (BS6100 330 3504 modified)", "properties": { "BackInletPatternType": { "description": "Identifies the pattern of inlet connections to a gully trap." @@ -9592,6 +10006,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/pset/pset_wasteterminaltypegullytrap.htm" }, "Pset_WasteTerminalTypeRoofDrain": { + "description": "Pipe fitting, set into the roof, that collects rainwater for discharge into the rainwater system.", "properties": { "CoverLength": { "description": "The length measured along the x-axis in the local coordinate system or the radius (in the case of a circular shape in plan) of the cover of the drain." @@ -9615,6 +10030,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/pset/pset_wasteterminaltyperoofdrain.htm" }, "Pset_WasteTerminalTypeWasteDisposalUnit": { + "description": "Electrically operated device that reduces kitchen or other waste into fragments small enough to be flushed into a drainage system.", "properties": { "DrainConnectionSize": { "description": "Size of the drain connection inlet to the waste disposal unit." @@ -9629,6 +10045,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/pset/pset_wasteterminaltypewastedisposalunit.htm" }, "Pset_WasteTerminalTypeWasteTrap": { + "description": "Pipe fitting, set adjacent to a sanitary terminal, that retains liquid to prevent the passage of foul air.", "properties": { "InletConnectionSize": { "description": "Size of the inlet connection(s), where used, of the inlet connections." @@ -9643,6 +10060,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/pset/pset_wasteterminaltypewastetrap.htm" }, "Pset_WindowCommon": { + "description": "Properties common to the definition of all occurrences of Window.", "properties": { "AcousticRating": { "description": "Acoustic rating for this object. It is provided according to the national building code. It indicates the sound transmission resistance of this object by an index ratio (instead of providing full sound absorbtion values)." @@ -9699,6 +10117,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/pset/pset_windowcommon.htm" }, "Pset_WorkControlCommon": { + "description": "Properties common to the definition of all occurrences of IfcWorkPlan and IfcWorkSchedule (subtypes of IfcWorkControl).", "properties": { "WorkDayDuration": { "description": "The elapsed time within a worktime-based day. For presentation purposes, applications may choose to display IfcTask durations in work days where IfcTaskTime.DurationType=WORKTIME. This value must be less than or equal to 24 hours (an elapsed day); if omitted then 8 hours is assumed." @@ -9719,6 +10138,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcprocessextension/pset/pset_workcontrolcommon.htm" }, "Pset_ZoneCommon": { + "description": "Properties common to the definition of all occurrences of IfcZone.", "properties": { "GrossPlannedArea": { "description": "Total planned gross area for the zone. Used for programming the zone." @@ -9742,6 +10162,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/pset/pset_zonecommon.htm" }, "Qto_ActuatorBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of actuator.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -9750,6 +10171,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/qset/qto_actuatorbasequantities.htm" }, "Qto_AirTerminalBaseQuantities": { + "description": "Base quantities that are common to the definition of all types of air terminals.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -9764,6 +10186,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_airterminalbasequantities.htm" }, "Qto_AirTerminalBoxTypeBaseQuantities": { + "description": "Base quantities that are common to the definition of all types of air terminal boxes.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -9772,6 +10195,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_airterminalboxtypebasequantities.htm" }, "Qto_AirToAirHeatRecoveryBaseQuantities": { + "description": "Base quantities that are common to the definition of all types of air-to-air heat recovery elements.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -9780,6 +10204,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_airtoairheatrecoverybasequantities.htm" }, "Qto_AlarmBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of alarm.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -9788,6 +10213,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/qset/qto_alarmbasequantities.htm" }, "Qto_AudioVisualApplianceBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of audio visual appliance.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -9796,6 +10222,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/qset/qto_audiovisualappliancebasequantities.htm" }, "Qto_BeamBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of beams.", "properties": { "CrossSectionArea": { "description": "Total area of the cross section (or profile) of the beam." @@ -9828,6 +10255,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/qset/qto_beambasequantities.htm" }, "Qto_BoilerBaseQuantities": { + "description": "Base quantities that are common to the definition of all types of boilers.", "properties": { "GrossWeight": { "description": "Weight of the element, not including contained fluid." @@ -9842,6 +10270,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_boilerbasequantities.htm" }, "Qto_BuildingBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of building.", "properties": { "EavesHeight": { "description": "Standard net height of this storey, from the top surface of the construction floor, to the bottom surface of the construction floor or roof above. Only provided is there is a constant height." @@ -9875,6 +10304,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/qset/qto_buildingelementproxyquantities.htm" }, "Qto_BuildingStoreyBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of building storey.", "properties": { "GrossFloorArea": { "description": "Sum of all gross areas of spaces within the building storey. It includes the area of construction elements within the building storey. May be provided in addition to the quantities of the spaces and the construction elements assigend to the storey. In case of inconsistencies, the individual quantities of spaces and construction elements take precedence." @@ -9901,6 +10331,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/qset/qto_buildingstoreybasequantities.htm" }, "Qto_BurnerBaseQuantities": { + "description": "Base quantities that are common to the definition of all types of burners.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -9909,6 +10340,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_burnerbasequantities.htm" }, "Qto_CableCarrierFittingBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of cable carrier fitting.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -9917,6 +10349,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/qset/qto_cablecarrierfittingbasequantities.htm" }, "Qto_CableCarrierSegmentBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of cable carrier segment.", "properties": { "CrossSectionArea": { "description": "Area of the cross section." @@ -9934,6 +10367,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/qset/qto_cablecarriersegmentbasequantities.htm" }, "Qto_CableFittingBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of flow cable fitting.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -9942,6 +10376,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/qset/qto_cablefittingbasequantities.htm" }, "Qto_CableSegmentBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of cable segment.", "properties": { "CrossSectionArea": { "description": "Area of the cross section." @@ -9959,6 +10394,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/qset/qto_cablesegmentbasequantities.htm" }, "Qto_ChillerBaseQuantities": { + "description": "Base quantities that are common to the definition of all types of chillers.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -9967,6 +10403,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_chillerbasequantities.htm" }, "Qto_ChimneyBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of chimneys.", "properties": { "Length": { "description": "Total length of the chimney from the foundation (or beginning) to the top not taking into account any cut-out's or other processing features." @@ -9975,6 +10412,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/qset/qto_chimneybasequantities.htm" }, "Qto_CoilBaseQuantities": { + "description": "Base quantities that are common to the definition of all types of coils.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -9983,6 +10421,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_coilbasequantities.htm" }, "Qto_ColumnBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of columns.", "properties": { "CrossSectionArea": { "description": "Total area of the cross section (or profile) of the column." @@ -10015,6 +10454,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/qset/qto_columnbasequantities.htm" }, "Qto_CommunicationsApplianceBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of communications appliance.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10023,6 +10463,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/qset/qto_communicationsappliancebasequantities.htm" }, "Qto_CompressorBaseQuantities": { + "description": "Base quantities that are common to the definition of all types of compressors.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10031,6 +10472,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_compressorbasequantities.htm" }, "Qto_CondenserBaseQuantities": { + "description": "Base quantities that are common to the definition of all types of condensers.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10039,6 +10481,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_condenserbasequantities.htm" }, "Qto_ConstructionEquipmentResourceBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of construction equipment resources.", "properties": { "OperatingTime": { "description": "Productive time using the equipment including operating time and excluding idle time." @@ -10050,6 +10493,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcconstructionmgmtdomain/qset/qto_constructionequipmentresourcebasequantities.htm" }, "Qto_ConstructionMaterialResourceBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of construction material resources.", "properties": { "GrossVolume": { "description": "Total gross volume of the material, including material placed and wasted." @@ -10067,6 +10511,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcconstructionmgmtdomain/qset/qto_constructionmaterialresourcebasequantities.htm" }, "Qto_ControllerBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of controller.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10075,6 +10520,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/qset/qto_controllerbasequantities.htm" }, "Qto_CooledBeamBaseQuantities": { + "description": "Base quantities that are common to the definition of all types of cooled beams.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10083,6 +10529,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_cooledbeambasequantities.htm" }, "Qto_CoolingTowerBaseQuantities": { + "description": "Base quantities that are common to the definition of all types of cooling towers.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10091,6 +10538,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_coolingtowerbasequantities.htm" }, "Qto_CoveringBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of coverings applied to spaces.", "properties": { "GrossArea": { "description": "Sum of all gross areas of the covering facing the space. No opening that is included in the covering is subtracted." @@ -10105,6 +10553,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/qset/qto_coveringbasequantities.htm" }, "Qto_CurtainWallQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of curtain walls.", "properties": { "GrossSideArea": { "description": "Area of the curtain wall as viewed by an elevation view of the middle plane of the curtain wall. It does not take into account any curtain wall modifications." @@ -10125,6 +10574,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/qset/qto_curtainwallquantities.htm" }, "Qto_DamperBaseQuantities": { + "description": "Base quantities that are common to the definition of all types of dampers.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10133,6 +10583,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_damperbasequantities.htm" }, "Qto_DistributionChamberElementBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of distribution chamber elements.", "properties": { "GrossSurfaceArea": { "description": "Total gross area of the inner surface of the chamber, not taking into account openings such as for pipes, ducts, or cables." @@ -10150,6 +10601,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgserviceelements/qset/qto_distributionchamberelementbasequantities.htm" }, "Qto_DoorBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of doors.", "properties": { "Area": { "description": "Total area of the outer lining of the door." @@ -10167,6 +10619,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/qset/qto_doorbasequantities.htm" }, "Qto_DuctFittingBaseQuantities": { + "description": "Base quantities that are common to the definition of all types and occurrences of duct fittings.", "properties": { "GrossCrossSectionArea": { "description": "Area of the cross section at the inlet, including the duct fitting itself and the interior flow space." @@ -10187,6 +10640,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_ductfittingbasequantities.htm" }, "Qto_DuctSegmentBaseQuantities": { + "description": "Base quantities that are common to the definition of all types and occurrences of duct segments.", "properties": { "GrossCrossSectionArea": { "description": "Area of the cross section, including the duct itself and the interior flow space." @@ -10207,6 +10661,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_ductsegmentbasequantities.htm" }, "Qto_DuctSilencerBaseQuantities": { + "description": "Base quantities that are common to the definition of all types of duct silencers.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10215,6 +10670,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_ductsilencerbasequantities.htm" }, "Qto_ElectricApplianceBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of electric appliance.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10223,6 +10679,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/qset/qto_electricappliancebasequantities.htm" }, "Qto_ElectricDistributionBoardBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of electric distribution board.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10234,6 +10691,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/qset/qto_electricdistributionboardbasequantities.htm" }, "Qto_ElectricFlowStorageDeviceBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of electric flow storage device.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10242,6 +10700,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/qset/qto_electricflowstoragedevicebasequantities.htm" }, "Qto_ElectricGeneratorBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of electric generator.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10250,6 +10709,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/qset/qto_electricgeneratorbasequantities.htm" }, "Qto_ElectricMotorBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of electric motor.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10258,6 +10718,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/qset/qto_electricmotorbasequantities.htm" }, "Qto_ElectricTimeControlBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of electric time control.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10266,6 +10727,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/qset/qto_electrictimecontrolbasequantities.htm" }, "Qto_EvaporativeCoolerBaseQuantities": { + "description": "Base quantities that are common to the definition of all types of evaporative coolers.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10274,6 +10736,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_evaporativecoolerbasequantities.htm" }, "Qto_EvaporatorBaseQuantities": { + "description": "Base quantities that are common to the definition of all types of evaporators.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10282,6 +10745,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_evaporatorbasequantities.htm" }, "Qto_FanBaseQuantities": { + "description": "Base quantities that are common to the definition of all types of fans.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10290,6 +10754,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_fanbasequantities.htm" }, "Qto_FilterBaseQuantities": { + "description": "Base quantities that are common to the definition of all types of filters.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10298,6 +10763,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_filterbasequantities.htm" }, "Qto_FireSuppressionTerminalBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of fire suppression terminal.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10306,6 +10772,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/qset/qto_firesuppressionterminalbasequantities.htm" }, "Qto_FlowInstrumentBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of flow instrument.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10314,6 +10781,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/qset/qto_flowinstrumentbasequantities.htm" }, "Qto_FlowMeterBaseQuantities": { + "description": "Base quantities that are common to the definition of all types of flow meters.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10322,6 +10790,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_flowmeterbasequantities.htm" }, "Qto_FootingBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of footings.", "properties": { "CrossSectionArea": { "description": "Total area of the cross section (or profile) of the footing." @@ -10357,6 +10826,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcstructuralelementsdomain/qset/qto_footingbasequantities.htm" }, "Qto_HeatExchangerBaseQuantities": { + "description": "Base quantities that are common to the definition of all types of heat exchangers.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10365,6 +10835,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_heatexchangerbasequantities.htm" }, "Qto_HumidifierBaseQuantities": { + "description": "Base quantities that are common to the definition of all types of humidifiers.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10373,6 +10844,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_humidifierbasequantities.htm" }, "Qto_InterceptorBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of interceptor.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10381,6 +10853,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/qset/qto_interceptorbasequantities.htm" }, "Qto_JunctionBoxBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of junction box.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10392,6 +10865,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/qset/qto_junctionboxbasequantities.htm" }, "Qto_LaborResourceBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of labour resources.", "properties": { "OvertimeWork": { "description": "Work that is performed after exceeding a particular limit such as hours per day and/or hours per week, after which company or municipal policy requires a different rate to apply. Note: Policies for when overtime takes effect are the responsibility of the user or application; they are not modelled in IFC." @@ -10403,6 +10877,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcconstructionmgmtdomain/qset/qto_laborresourcebasequantities.htm" }, "Qto_LampBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of lamp.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10411,6 +10886,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/qset/qto_lampbasequantities.htm" }, "Qto_LightFixtureBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of light fixture.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10419,6 +10895,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/qset/qto_lightfixturebasequantities.htm" }, "Qto_MemberBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of members.", "properties": { "CrossSectionArea": { "description": "Total area of the cross section (or profile) of the member." @@ -10451,6 +10928,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/qset/qto_memberbasequantities.htm" }, "Qto_MotorConnectionBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of motor connection.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10459,6 +10937,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/qset/qto_motorconnectionbasequantities.htm" }, "Qto_OpeningElementBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of opening elements.", "properties": { "Area": { "description": "Area of the opening as viewed by an elevation view (for wall openings) or as viewed by a ground floor view (for slab openings)." @@ -10479,6 +10958,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/qset/qto_openingelementbasequantities.htm" }, "Qto_OutletBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of outlet.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10487,6 +10967,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/qset/qto_outletbasequantities.htm" }, "Qto_PileBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of piles.", "properties": { "CrossSectionArea": { "description": "Total area of the cross section (or profile) of the pile." @@ -10516,6 +10997,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcstructuralelementsdomain/qset/qto_pilebasequantities.htm" }, "Qto_PipeFittingBaseQuantities": { + "description": "Base quantities that are common to the definition of all types and occurrences of pipe fittings.", "properties": { "GrossCrossSectionArea": { "description": "Area of the cross section at the inlet, including the pipe fitting itself and the interior flow space." @@ -10539,6 +11021,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_pipefittingbasequantities.htm" }, "Qto_PipeSegmentBaseQuantities": { + "description": "Base quantities that are common to the definition of all types and occurrences of pipe segments.", "properties": { "GrossCrossSectionArea": { "description": "Area of the cross section, including the pipe itself and the interior flow space." @@ -10562,6 +11045,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_pipesegmentbasequantities.htm" }, "Qto_PlateBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of plates.", "properties": { "GrossArea": { "description": "Total area of the extruded area of the plate. Openings, recesses and projections are not taken into account. Only given, if the plate is prismatic." @@ -10591,6 +11075,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/qset/qto_platebasequantities.htm" }, "Qto_ProjectionElementBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of projection elements.", "properties": { "Area": { "description": "Area of the projection as viewed by an elevation view (for wall projections or as viewed by a ground floor view (for slab projections)." @@ -10602,6 +11087,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/qset/qto_projectionelementbasequantities.htm" }, "Qto_ProtectiveDeviceBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of protective device.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10610,6 +11096,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/qset/qto_protectivedevicebasequantities.htm" }, "Qto_ProtectiveDeviceTrippingUnitBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of protective device tripping unit.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10618,6 +11105,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/qset/qto_protectivedevicetrippingunitbasequantities.htm" }, "Qto_PumpBaseQuantities": { + "description": "Base quantities that are common to the definition of all types of pumps.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10626,6 +11114,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_pumpbasequantities.htm" }, "Qto_RailingBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of railings.", "properties": { "Length": { "description": "Total nominal length of the railing, not taking into account any cut-out's or other processing features." @@ -10634,6 +11123,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/qset/qto_railingbasequantities.htm" }, "Qto_RampFlightBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of ramp flights.", "properties": { "GrossArea": { "description": "Total area of the ramp flight (not the projected area). Openings, recesses and projections are not taken into account. Only given, if the ramp flight is prismatic." @@ -10657,6 +11147,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/qset/qto_rampflightbasequantities.htm" }, "Qto_ReinforcingElementBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of reinforcement.", "properties": { "Count": { "description": "Total count of reinforcing items." @@ -10671,6 +11162,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcstructuralelementsdomain/qset/qto_reinforcingelementbasequantities.htm" }, "Qto_RoofBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of roof.", "properties": { "GrossArea": { "description": "Total gross area of the outer surface of the roof. It is the sum of all roof slab gross areas. Roof openings, like sky windows and other openings and cut-outs are not taken into account." @@ -10685,6 +11177,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/qset/qto_roofbasequantities.htm" }, "Qto_SanitaryTerminalBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of sanitary terminal.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10693,6 +11186,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/qset/qto_sanitaryterminalbasequantities.htm" }, "Qto_SensorBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of sensor.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10701,6 +11195,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/qset/qto_sensorbasequantities.htm" }, "Qto_SiteBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of site.", "properties": { "GrossArea": { "description": "Gross area for this site, measured in horizontal projections." @@ -10712,6 +11207,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/qset/qto_sitebasequantities.htm" }, "Qto_SlabBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of slabs.", "properties": { "Depth": { "description": "Depth (one direction of the non-projected foot print area) of the slab. It shall only be provided, if the slab is rectangular." @@ -10747,6 +11243,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/qset/qto_slabbasequantities.htm" }, "Qto_SolarDeviceBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of solar devices.", "properties": { "GrossArea": { "description": "Area of the solar device including the outer frame." @@ -10758,6 +11255,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/qset/qto_solardevicebasequantities.htm" }, "Qto_SpaceBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of spaces.", "properties": { "FinishCeilingHeight": { "description": "Height of the suspended ceiling (from top of flooring to the bottom of the suspended ceiling). To be provided only if the space has a suspended ceiling with constant height." @@ -10802,6 +11300,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcproductextension/qset/qto_spacebasequantities.htm" }, "Qto_SpaceHeaterBaseQuantities": { + "description": "Base quantities that are common to the definition of all types of space heaters.", "properties": { "GrossWeight": { "description": "Weight of the element itself, not including contained fluid." @@ -10816,6 +11315,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_spaceheaterbasequantities.htm" }, "Qto_StackTerminalBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of stack terminal.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10824,6 +11324,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/qset/qto_stackterminalbasequantities.htm" }, "Qto_StairFlightBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of stair flights.", "properties": { "GrossVolume": { "description": "Total gross volume of the stair flight. Openings, recesses, and projections are not taken into account." @@ -10838,6 +11339,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/qset/qto_stairflightbasequantities.htm" }, "Qto_SwitchingDeviceBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of switching device.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10846,6 +11348,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/qset/qto_switchingdevicebasequantities.htm" }, "Qto_TankBaseQuantities": { + "description": "Base quantities that are common to the definition of all types of tanks.", "properties": { "GrossWeight": { "description": "Weight of the element itself, not including contained fluid." @@ -10860,6 +11363,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_tankbasequantities.htm" }, "Qto_TransformerBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of transformer.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10868,6 +11372,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcelectricaldomain/qset/qto_transformerbasequantities.htm" }, "Qto_TubeBundleBaseQuantities": { + "description": "Base quantities that are common to the definition of all types of tube bundles.", "properties": { "GrossWeight": { "description": "Weight of the element itself, not including contained fluid." @@ -10879,6 +11384,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_tubebundlebasequantities.htm" }, "Qto_UnitaryControlElementBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of unitary control element.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10887,6 +11393,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcbuildingcontrolsdomain/qset/qto_unitarycontrolelementbasequantities.htm" }, "Qto_UnitaryEquipmentBaseQuantities": { + "description": "Base quantities that are common to the definition of all types of unitary equipment.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10895,6 +11402,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_unitaryequipmentbasequantities.htm" }, "Qto_ValveBaseQuantities": { + "description": "Base quantities that are common to the definition of all types of valves.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10903,6 +11411,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_valvebasequantities.htm" }, "Qto_VibrationIsolatorBaseQuantities": { + "description": "Base quantities that are common to the definition of all types of vibration isolators.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10911,6 +11420,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifchvacdomain/qset/qto_vibrationisolatorbasequantities.htm" }, "Qto_WallBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of walls.", "properties": { "GrossFootprintArea": { "description": "Area of the wall as viewed by a ground floor view, not taking any wall modifications (like recesses) into account. It is also referred to as the foot print of the wall." @@ -10949,6 +11459,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcsharedbldgelements/qset/qto_wallbasequantities.htm" }, "Qto_WasteTerminalBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of waste terminal.", "properties": { "GrossWeight": { "description": "Weight of the element." @@ -10957,6 +11468,7 @@ "spec_url": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcplumbingfireprotectiondomain/qset/qto_wasteterminalbasequantities.htm" }, "Qto_WindowBaseQuantities": { + "description": "Base quantities that are common to the definition of all occurrences of windows.", "properties": { "Area": { "description": "Total area of the outer lining of the window."