5.4.4.19 Pset_ProvisionForVoid
5.4.4.19.1 Semantic definition
Properties for Provisions For Voids.
5.4.4.19.2 Applicable entities
- IfcBuildingElementProxy/PROVISIONFORVOID
 - IfcVirtualElement/PROVISIONFORVOID
 
5.4.4.19.3 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.  |