No Classification		
IFC	BuildingElement	1
IFC	Beam	2
IFC	BuildingElementProxy	2
IFC	Chimney	2
IFC	Column	2
IFC	CurtainWall	2
IFC	Door	2
IFC	Footing	2
IFC	Member	2
IFC	Pile	2
IFC	Plate	2
IFC	Railing	2
IFC	Ramp	2
IFC	RampFlight	2
IFC	Roof	2
IFC	ShadingDevice	2
IFC	Stair	2
IFC	StairFlight	2
IFC	Wall	2
IFC	Window	2
IFC	DistributionElement	1
IFC	DistributionControlElement	2
IFC	Actuator	3
IFC	Alarm	3
IFC	Controller	3
IFC	FlowInstrument	3
IFC	ProtectiveDeviceTripping	3
IFC	Sensor	3
IFC	UnitaryControlElement	3
IFC	DistibutionFlowElement	2
IFC	DistributionChamberElement	3
IFC	EnergyConversionDevice	3
IFC	FlowController	3
IFC	FlowFitting	3
IFC	FlowMovingDevice	3
IFC	FlowSegment	3
IFC	FlowStorageDevice	3
IFC	FlowTerminal	3
IFC	FlowTreatmentDevice	3
IFC	ElementComponent	1
IFC	BuildingElementPart	2
IFC	DiscreteAccessory	2
IFC	Fastner	2
IFC	MechanicalFastner	2
IFC	ReinforcingElement	2
IFC	FurnishingElement	1
IFC	Furniture	2
IFC	SystemFurnitureElement	2