IFC (IFC4X3_ADD2) under development Pset_ProvisionForVoid Semantic definition

Properties for Provisions For Voids. Applicable entities Properties

Name Property Type Data Type Description
VoidShape IfcPropertySingleValue IfcLabel

The shape form of the provision for void, the minimum set of agreed values includes 'Rectangle', 'Round', and 'Undefined'.

Width IfcPropertySingleValue IfcPositiveLengthMeasure

The width of the object. Only given, if the object has constant thickness (prismatic).

Height IfcPropertySingleValue IfcPositiveLengthMeasure

Characteristic height

Vertical extension in elevation. Only provided if the Shape property is set to "rectangle".

Diameter IfcPropertySingleValue IfcPositiveLengthMeasure

The Diameter of the object.

Depth IfcPropertySingleValue IfcPositiveLengthMeasure

The depth of the object.

System IfcPropertySingleValue IfcLabel

The building service system that requires the provision for voids, e.g. 'Air Conditioning', 'Plumbing', 'Electro', etc.

Reference to the building service is done using the Name attribute.


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