diff --git a/src/blenderbim/blenderbim/bim/module/pset/calc_quantity_function_mapper.py b/src/blenderbim/blenderbim/bim/module/pset/calc_quantity_function_mapper.py
index aec9aac5b2..c27349d1f3 100644
--- a/src/blenderbim/blenderbim/bim/module/pset/calc_quantity_function_mapper.py
+++ b/src/blenderbim/blenderbim/bim/module/pset/calc_quantity_function_mapper.py
@@ -3,39 +3,39 @@ mapper = {
         'GrossWeight' : None,
     },
     'Qto_PlateBaseQuantities' : {
-        'Width' : None,
-        'Perimeter' : None,
-        'GrossArea' : None,
-        'NetArea' : None,
-        'GrossVolume' : None,
-        'NetVolume' : None,
+        'Width' : "get_height",
+        'Perimeter' : "get_gross_perimeter",
+        'GrossArea' : "get_gross_footprint_area",
+        'NetArea' : "get_net_footprint_area",
+        'GrossVolume' : "get_gross_volume",
+        'NetVolume' : "get_net_volume",
         'GrossWeight' : None,
         'NetWeight' : None,
     },
     'Qto_OpeningElementBaseQuantities' : {
-        'Width' : None,
-        'Height' : None,
-        'Depth' : None,
-        'Area' : None,
-        'Volume' : None,
+        'Width' : "get_length",
+        'Height' : "get_opening_height",
+        'Depth' : "get_opening_depth",
+        'Area' : "get_opening_mapping_area",
+        'Volume' : "get_net_volume",
     },
     'Qto_MarineFacilityBaseQuantities' : {
-        'Length' : None,
-        'Width' : None,
-        'Height' : None,
-        'Area' : None,
-        'Volume' : None,
+        'Length' : "get_length",
+        'Width' : "get_width",
+        'Height' : "get_height",
+        'Area' : "get_net_footprint_area",
+        'Volume' : "get_net_volume",
     },
     'Qto_ChillerBaseQuantities' : {
         'GrossWeight' : None,
     },
     'Qto_PileBaseQuantities' : {
-        'Length' : None,
-        'CrossSectionArea' : None,
-        'OuterSurfaceArea' : None,
-        'GrossSurfaceArea' : None,
-        'GrossVolume' : None,
-        'NetVolume' : None,
+        'Length' : "get_length",
+        'CrossSectionArea' : "get_cross_section_area",
+        'OuterSurfaceArea' : "get_outer_surface_area",
+        'GrossSurfaceArea' : "get_gross_surface_area",
+        'GrossVolume' : "get_gross_volume",
+        'NetVolume' : "get_net_volume",
         'GrossWeight' : None,
         'NetWeight' : None,
     },
@@ -46,9 +46,9 @@ mapper = {
         'GrossWeight' : None,
     },
     'Qto_VehicleBaseQuantities' : {
-        'Length' : None,
-        'Width' : None,
-        'Height' : None,
+        'Length' : "get_length",
+        'Width' : "get_width",
+        'Height' : "get_height",
     },
     'Qto_PipeFittingBaseQuantities' : {
         'Length' : None,
@@ -81,15 +81,15 @@ mapper = {
         'GrossWeight' : None,
     },
     'Qto_FacilityPartBaseQuantities' : {
-        'Length' : None,
-        'Width' : None,
-        'Height' : None,
-        'Area' : None,
-        'Volume' : None,
+        'Length' : "get_length",
+        'Width' : "get_width",
+        'Height' : "get_height",
+        'Area' : "get_net_footprint_area",
+        'Volume' : "get_net_volume",
     },
     'Qto_ProjectionElementBaseQuantities' : {
-        'Area' : None,
-        'Volume' : None,
+        'Area' : "get_net_side_area",
+        'Volume' : "get_net_volume",
     },
     'Qto_SignBaseQuantities' : {
         'Height' : None,
@@ -138,13 +138,12 @@ mapper = {
         'NetArea' : "get_net_footprint_area",
     },
     'Qto_PipeSegmentBaseQuantities' : {
-        'Length' : None,
+        'Length' : "get_length",
         'GrossCrossSectionArea' : None,
-        'NetCrossSectionArea' : None,
-        'OuterSurfaceArea' : None,
+        'NetCrossSectionArea' : "get_cross_section_area",
+        'OuterSurfaceArea' : "get_outer_surface_area",
         'GrossWeight' : None,
         'NetWeight' : None,
-        'FootPrintArea' : None,
     },
     'Qto_HumidifierBaseQuantities' : {
         'GrossWeight' : None,
@@ -243,9 +242,9 @@ mapper = {
         'GrossWeight' : None,
     },
     'Qto_SlabBaseQuantities' : {
-        'Width' : "get_height",
+        'Width' : "get_width",
         'Length' : "get_length",
-        'Depth' : "get_width",
+        'Depth' : "get_height",
         'Perimeter' : "get_gross_perimeter",
         'GrossArea' : "get_gross_footprint_area",
         'NetArea' : "get_net_footprint_area",
diff --git a/src/blenderbim/blenderbim/bim/module/pset/notes_about_mapped_calculated_quantities.txt b/src/blenderbim/blenderbim/bim/module/pset/notes_about_mapped_calculated_quantities.txt
index 8c123085c9..fd26390d76 100644
--- a/src/blenderbim/blenderbim/bim/module/pset/notes_about_mapped_calculated_quantities.txt
+++ b/src/blenderbim/blenderbim/bim/module/pset/notes_about_mapped_calculated_quantities.txt
@@ -29,6 +29,7 @@ Also GrossWallArea and NetWallArea need bounding object so for the moment is sti
 GrossFloorArea: following the definition, it should exclude the wall claddings, but for now, this is not considered into the calculation.
 NetFloorArea: it doesn't count the following entities contained in the spatial entity: IfcColumn and IfcWall. Just add other entities into 'get_net_floor_area' if it's needed
 NetVolume: like NetFloorArea, it doesn't count the following entities contained in the spatial entity: IfcColumn and IfcWall
+Also, the entire IfcColumn (or IfcWall) object volume is substracted, so it should be better to substract only the shared volume between IfcSpace and IfcColumn. Look at todo list
 
 
 
@@ -36,4 +37,7 @@ REMAINING TODO FUNCTIONS
 IfcSpace - NetPerimeter
 IfcSpace - GrossWallArea
 IfcSpace - NetWallArea
+IfcSpace - Calculate only shared volume between IfcColumn and IfcSpace
+IfcPipeSegment - Gross cross section area
+Qto_PipeFittingBaseQuantities - Basically all quantities because the object can not be straight
 
diff --git a/src/blenderbim/blenderbim/bim/module/pset/qto_calculator.py b/src/blenderbim/blenderbim/bim/module/pset/qto_calculator.py
index 3a3f99b651..b4ed236e46 100644
--- a/src/blenderbim/blenderbim/bim/module/pset/qto_calculator.py
+++ b/src/blenderbim/blenderbim/bim/module/pset/qto_calculator.py
@@ -138,6 +138,24 @@ class QtoCalculator:
         """
         return (Vector(o.bound_box[1]) - Vector(o.bound_box[0])).length
 
+    def get_opening_height(self, obj):
+        if self.is_opening_horizontal(obj):
+            return self.get_width(obj)
+        else:
+            return self.get_height(obj)
+
+    def get_opening_depth(self, obj):
+        if self.is_opening_horizontal(obj):
+            return self.get_height(obj)
+        else:
+            return self.get_width(obj)
+
+    def get_opening_mapping_area(self, obj):
+        if self.is_opening_horizontal(obj):
+            return self.get_net_footprint_area(obj)
+        else:
+            return self.get_net_side_area(obj)
+
     def get_finish_ceiling_height(self, obj):
         space_height = self.get_height(obj)
         floor_height = self.get_finish_floor_height(obj)
@@ -1063,6 +1081,13 @@ class QtoCalculator:
         else:
             return "x"
 
+    def is_opening_horizontal(self, o):
+        x = (Vector(o.bound_box[4]) - Vector(o.bound_box[0])).length
+        y = (Vector(o.bound_box[3]) - Vector(o.bound_box[0])).length
+        z = (Vector(o.bound_box[1]) - Vector(o.bound_box[0])).length
+
+        return z < x and z < y
+
     def delete_mesh(self, mesh):
         mesh.user_clear()
         bpy.data.meshes.remove(mesh)