6.1.2.4 IfcBuildingSystemTypeEnum
6.1.2.4.1 Semantic definition
This enumeration identifies different types of building systems.
6.1.2.4.2 Type values
| Type | Description | 
|---|---|
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 elements 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
 | 
 System of shading elements (external or internal) that permits the limitation or control of impact of natural sun light.  | 
TRANSPORT
 | 
 System of all transport elements in a building that enables the transport of people or goods.  | 
USERDEFINED
 | 
 No description available.  | 
NOTDEFINED
 | 
 No description available.  | 
6.1.2.4.3 Formal representation
TYPE IfcBuildingSystemTypeEnum = ENUMERATION OF
	(FENESTRATION
	,FOUNDATION
	,LOADBEARING
	,OUTERSHELL
	,SHADING
	,TRANSPORT
	,USERDEFINED
	,NOTDEFINED);
END_TYPE;