IFC 4.3.1.0 (IFC4X3_ADD1) development

6.2.5.1 Qto_DistributionChamberElementBaseQuantities

6.2.5.1.1 Semantic definition

Base quantities that are common to the definition of all occurrences of distribution chamber elements.

6.2.5.1.2 Applicable entities

6.2.5.1.3 Properties

Name Data Type Description
GrossSurfaceArea IfcQuantityArea

Total gross area of the object, normally generated as perimeter * length + 2 * cross section area. It is the sum of OuterSurfaceArea + (2 x CrossSectionArea) and shall only be given, if the OuterSurfaceArea and CrossSectionArea cannot be established separately.

NetSurfaceArea IfcQuantityArea

Net surface area of the object, normally generated as perimeter * length + 2 * cross section area taking into account possible processing features (cut-out's, etc.) or openings and recesses.

Total net area of the inner surface of the chamber, subtracting any openings such as for pipes, ducts, or cables.

GrossVolume IfcQuantityVolume

Total gross volume of the object. Openings, recesses, enclosed objects and projections are not taken into account.

NetVolume IfcQuantityVolume

Total net volume of the object, taking into account possible processing features (cut-out's, etc.) or openings and recesses.

Total net volume of the chamber, subtracting any enclosed elements such as pipes, ducts, cables, or equipment.

Depth IfcQuantityLength

The depth of the object.

Indicates the depth of the element.

Table 6.2.5.1.A

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6.2.5.1.4 Changelog

6.2.5.1.4.1 IFC4

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6.2.5.1.4.2 IFC4.3_DEV_c9a7b2db