IfcFacilityPartCommonTypeEnum

Item	Change	Description
IFC4x2 to IFC4x3_RC1
IfcFacilityPartCommonTypeEnum	ADDED
IFC4x3_RC3 to IFC4x3_RC4
IfcFacilityPartCommonTypeEnum	MOVED	Schema changed from IFCSHAREDINFRASTRUCTUREELEMENTS to IFCPRODUCTEXTENSION.

Semantic definitions at the type

Type definition

This container defines the different common predefined types of facility parts that can further specify an IfcFacilityPart.

Enumeration definition

Constant	Description
SEGMENT	A longitudinal facility part encompassing a linear portion of the facility defined by some uniform characteristics, or a transition between segments of uniform characteristics.
ABOVEGROUND	A vertical facility part for elements belonging to the space above the finished ground.
JUNCTION	A longitudinal facility part providing an at grade junction between two or more segments of longitudinal facilities usually of the same type.
LEVELCROSSING	A longitudinal facility part providing an at grade crossing between two or more different modes of transport e.g. road and railway or road and pedestrian.
BELOWGROUND	A vertical facility part for the containment of elements below the finished ground. This may include for example earthworks elements and elements in a pavement structure.
SUBSTRUCTURE	A vertical facility part comprising of an underlying or supporting structure. this can be above or below finished ground level.
TERMINAL	A longitudinal facility part that represents a termination segment of a longitudinal facility such as the end of a breakwater, road or rail section.
SUPERSTRUCTURE	A vertical facility part comprising of the upper volume of a structure, usually forming the volume of operation or the receiving of live loading.
USERDEFINED	User-defined type
NOTDEFINED	Undefined type.

Formal representations

XML Specification

 <xs:simpleType name="IfcFacilityPartCommonTypeEnum">

  <xs:restriction base="xs:string">

   <xs:enumeration value="segment"/>

   <xs:enumeration value="aboveground"/>

   <xs:enumeration value="junction"/>

   <xs:enumeration value="levelcrossing"/>

   <xs:enumeration value="belowground"/>

   <xs:enumeration value="substructure"/>

   <xs:enumeration value="terminal"/>

   <xs:enumeration value="superstructure"/>

   <xs:enumeration value="userdefined"/>

   <xs:enumeration value="notdefined"/>

  </xs:restriction>

 </xs:simpleType>

EXPRESS Specification


TYPE IfcFacilityPartCommonTypeEnum = ENUMERATION OF (

 SEGMENT, 
 ABOVEGROUND, 
 JUNCTION, 
 LEVELCROSSING, 
 BELOWGROUND, 
 SUBSTRUCTURE, 
 TERMINAL, 
 SUPERSTRUCTURE, 
 USERDEFINED, 
 NOTDEFINED);
END_TYPE;


 EXPRESS-G diagram