IFC building model
Schema: "IFC4"
Description: "ViewDefinition[DesignTransferView]"
File name: "Stairs & Storeys_Ifc Arch.ifc"
Time stamp: "2023-02-02T16:02:32+02:00"
Preprocessor: "IfcOpenShell v0.7.0-07ee62eb9"
Originating system: "BlenderBIM 0.0.230201"
Authorization: "Nobody"

Units
  VOLUMEUNIT: MILLI CUBIC_METRE
  LENGTHUNIT: MILLI METRE
  PLANEANGLEUNIT: degree (conversion based)
  AREAUNIT: MILLI SQUARE_METRE

Spatial structure
IFCPROJECT "My Project"
  IFCSITE "My Site"
    IFCBUILDING "My Building"
      IFCBUILDINGSTOREY "1st Floor"
        contains 6 elements
          1 x IFCSLAB | type IFCSLABTYPE "FLR150" | names: "Slab" | material: layers ("Unknown" 200.) | property sets: EPset_Parametric
          1 x IFCSTAIRFLIGHT | STRAIGHT | names: "Stair" | property sets: BBIM_Stair
          4 x IFCCOLUMN | type IFCCOLUMNTYPE "C1" | names: "Column" | material: profiles ("Unknown") | property sets: EPset_Parametric
      IFCBUILDINGSTOREY "My Storey"
        contains 7 elements
          2 x IFCSLAB | type IFCSLABTYPE "FLR150" | names: "Slab" | material: layers ("Unknown" 200.) | property sets: EPset_Parametric
          1 x IFCSTAIRFLIGHT | STRAIGHT | names: "Stair" | property sets: BBIM_Stair
          4 x IFCCOLUMN | type IFCCOLUMNTYPE "C1" | names: "Column" | material: profiles ("Unknown") | property sets: EPset_Parametric

Types
  IFCSLABTYPE "FLR150" | 3 occurrences | material: layers ("Unknown" 200.)
  IFCCOLUMNTYPE "C1" | 8 occurrences | material: profiles ("Unknown")

Property sets
  EPset_Parametric | properties | on 8 objects (8 IFCCOLUMN)
    Engine = "BlenderBIM.DumbProfile" (IFCLABEL)
  EPset_Parametric | properties | on 3 objects (3 IFCSLAB)
    Engine = "BlenderBIM.DumbLayer3" (IFCLABEL)
  BBIM_Stair | properties | on 2 objects (2 IFCSTAIRFLIGHT)
    Data = "{"stair_type": "CONCRETE", "width": 1200.0, "height": 1000.0, "number_of_treads": 6, "tread_depth": 250.0, "tread_run": 300.0, "base_slab_depth": 250.0, "top_slab_depth": 250.0, "has_top_nib": true}" (IFCLABEL)