IFC 4.3.0.1 (IFC4X3) development

7.6.2.4 IfcStackTerminalTypeEnum

7.6.2.4.1 Semantic 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.

7.6.2.4.2 Type values

Type 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.

Table 7.6.2.4.A

7.6.2.4.3 Formal representation

TYPE IfcStackTerminalTypeEnum = ENUMERATION OF
	(BIRDCAGE
	,COWL
	,RAINWATERHOPPER
	,USERDEFINED
	,NOTDEFINED);
END_TYPE;

7.6.2.4.4 References

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