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. |
7.6.2.4.3 Formal representation
TYPE IfcStackTerminalTypeEnum = ENUMERATION OF
(BIRDCAGE
,COWL
,RAINWATERHOPPER
,USERDEFINED
,NOTDEFINED);
END_TYPE;