4.1.8.1.3 Type Clearance Geometry

For elements that require clearance such as for safety, maintenance, or other purpose, this represents the 3D clearance volume of the item having RepresentationType of 'Surface3D'. Such clearance region indicates space that should not intersect with the 'Body' representation of other elements, though may intersect with the 'Clearance' representation of other elements.

The following diagram shows the generic classes and relationships used when applying this concept. In addition, concepts may have particular importance to common or standardised industry practices and scenarios. For these specific usage scenarios, the table below shows a recommended list of general usage patterns that users may adopt.

Figure 4.1.8.1.3.A

General Usage

ApplicableEntity
IfcDistributionFlowElementType

Table 4.1.8.1.3.B