IFC Export and BIM

IFC stands for Industry Foundation Classes (IFC). This is a standard data model used to describe data for the building and construction industries
It is a platform neutral, open file format specification commonly used collaboration format for Building information modeling (BIM).
The following Items are exported to IFC:

Architectural objects Architecture Tools
Custom Properties Custom Properties, Database, and Reports
Property Sets Property Set Definitions

The data is mapped as follows:

TurboCAD Object	IFC Object
Beam	IfcBeam
Column	IfcColumn
Drawing	IfcProject IfcSite IfcBuilding IfcBuildingStorey IfcPropertySet(Pset_ProjectCommon) IfcPropertySet(Pset_BuildingCommon) IfcPropertySet(Pset_BuildingStoreyCommon)
Wall	IfcWallStandardCase
Wall style	IfcMatarial
Window	IfcOpening IfcWindow
Window style	IfcWindowLiningProperties IfcWindowPanelProperties IfcPropertySet(Pset_WindowCommon) IfcPropertySet(Pset_DoorWindowGlazingType)
Door	IfcOpening IfcDoor
Door style	IfcDoorLiningProperties IfcDoorPanelProperties IfcPropertySet(Pset_DoorCommon) IfcPropertySet(Pset_DoorWindowGlazingType)
Slab	IfcSlab
Slab style	IfcMaterial
Stair	IfcStair
Stair style	IfcPropertySet(Pset_StairCommon)
Rail	IfcRailing
Rail style	IfcPropertySet(Pset_RailingCommon)
Roof	IfcRoof
Roof style	IfcMaterial
Landscape	IfcBuildingElementProxy
Other 3D objects	IfcBuildingElementProxy
Layer	IfcPresentationLayerWithStyle
Custom properties	IfcPropertySet(TC_Pset_Custom)
Property set	IfcPropertySet(property set definition name )