IfcBuildingSystemTypeEnum

Semantic definitions at the type

Type definition

This enumeration identifies different types of building systems.

HISTORY New enumeration in IFC4.

Enumeration definition

Constant	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 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	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
NOTDEFINED

Formal representations

XML Specification

 <xs:simpleType name="IfcBuildingSystemTypeEnum">

  <xs:restriction base="xs:string">

   <xs:enumeration value="fenestration"/>

   <xs:enumeration value="foundation"/>

   <xs:enumeration value="loadbearing"/>

   <xs:enumeration value="outershell"/>

   <xs:enumeration value="shading"/>

   <xs:enumeration value="transport"/>

   <xs:enumeration value="userdefined"/>

   <xs:enumeration value="notdefined"/>

  </xs:restriction>

 </xs:simpleType>

EXPRESS Specification


TYPE IfcBuildingSystemTypeEnum = ENUMERATION OF (

 FENESTRATION, 
 FOUNDATION, 
 LOADBEARING, 
 OUTERSHELL, 
 SHADING, 
 TRANSPORT, 
 USERDEFINED, 
 NOTDEFINED);
END_TYPE;


 EXPRESS-G diagram

Item	Change	Description
IFC2x3 to IFC4 4.0.0.0
IfcBuildingSystemTypeEnum	ADDED
IFC4x2 Candidate 4.2.0.0
IfcBuildingSystemTypeEnum
REINFORCING	ADDED
PRESTRESSING	ADDED
IFC4x2 to IFC4x3_RC1
IfcBuildingSystemTypeEnum	MODIFIED	Status changed to Deprecated.
EROSIONPREVENTION	ADDED

	Building System Type Enum
	Enumération des types de système