IFC 4.3.2.20240809 (IFC4X3_ADD2) under development

7.5.4.39 Pset_DuctSegmentOccurrence

7.5.4.39.1 Semantic definition

Duct segment occurrence attributes attached to an instance of IfcDuctSegment.

7.5.4.39.2 Applicable entities

7.5.4.39.3 Properties

Name Property Type Data Type Description
InteriorRoughnessCoefficient IfcPropertySingleValue IfcPositiveLengthMeasure

The interior roughness of the material of the object.

HasLiner IfcPropertySingleValue IfcBoolean

TRUE if the fitting has interior duct insulating lining, FALSE if it does not.

Colour IfcPropertySingleValue IfcLabel

Colour of this object.

Table 7.5.4.39.A

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7.5.4.39.4 Changelog

7.5.4.39.4.1 IFC4

  • New resource

7.5.4.39.4.2 IFC4.3_DEV_20bdb3d

  • property, Colour
  • property, Color