IfcStackTerminalTypeEnum

Semantic definitions at the type

Type definition

An IfcStackTerminalTypeEnum defines the range of different types of stack terminal that can be specified for use at the top of a vertical stack subsystem.

HISTORY New type in IFC2x.

Enumeration definition

Constant	Description
BIRDCAGE	Guard cage, typically wire mesh, at the top of the stack preventing access by birds.
COWL	A cowling placed at the top of a stack to eliminate downdraft.
RAINWATERHOPPER	A box placed at the top of a rainwater downpipe to catch rainwater from guttering.
USERDEFINED	User-defined type.
NOTDEFINED	Undefined type.

Formal representations

XML Specification

 <xs:simpleType name="IfcStackTerminalTypeEnum">

  <xs:restriction base="xs:string">

   <xs:enumeration value="birdcage"/>

   <xs:enumeration value="cowl"/>

   <xs:enumeration value="rainwaterhopper"/>

   <xs:enumeration value="userdefined"/>

   <xs:enumeration value="notdefined"/>

  </xs:restriction>

 </xs:simpleType>

EXPRESS Specification


TYPE IfcStackTerminalTypeEnum = ENUMERATION OF (

 BIRDCAGE, 
 COWL, 
 RAINWATERHOPPER, 
 USERDEFINED, 
 NOTDEFINED);
END_TYPE;


 EXPRESS-G diagram