IFC 4.3.x development

6.1.2.5 IfcBuildingSystemTypeEnum

6.1.2.5.1 Semantic definitions at the entity

This enumeration identifies different types of building systems.

HISTORY  New enumeration in IFC4.

Items

FENESTRATION

System of doors, windows, and other fillings in openings in a built envelope that are designed to permit the passage of air or light.

FOUNDATION

System of shallow and deep foundation element that transmit forces to the supporting ground.

LOADBEARING

System of built elements that transmit forces and stiffen the construction.

OUTERSHELL

System of built elements that provide the outer skin to protect the construction (such as the facade).

SHADING
TRANSPORT

System of all transport elements in a building that enables the transport of people or goods.

REINFORCING

System of elements providing reinforcing to the structure.

PRESTRESSING
EROSIONPREVENTION
USERDEFINED
NOTDEFINED

6.1.2.5.1 Formal representations

TYPE IfcBuildingSystemTypeEnum = ENUMERATION OF
	(FENESTRATION
	,FOUNDATION
	,LOADBEARING
	,OUTERSHELL
	,SHADING
	,TRANSPORT
	,REINFORCING
	,PRESTRESSING
	,EROSIONPREVENTION
	,USERDEFINED
	,NOTDEFINED);
END_TYPE;