Natural language names
Stack Terminal Type Enum
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
BIRDCAGEGuard cage, typically wire mesh, at the top of the stack preventing access by birds.
COWLA cowling placed at the top of a stack to eliminate downdraft.
RAINWATERHOPPERA box placed at the top of a rainwater downpipe to catch rainwater from guttering.
USERDEFINEDUser-defined type.
NOTDEFINEDUndefined 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"/>
EXPRESS Specification
TYPE IfcStackTerminalTypeEnum = ENUMERATION OF (

Link to EXPRESS-G diagram EXPRESS-G diagram

References  References: IfcStackTerminal IfcStackTerminalType

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