Classification

In one sentence: Assign a classification code (Uniclass, OmniClass, ETIM, etc.) to elements for cost estimating and facilities management.

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Overview

Workbench: BIM
Menu: Manage → Classification
Command: BIM_Classification

Assigns a classification code to selected elements. Classification codes (Uniclass 2015, OmniClass, ETIM, NBS, etc.) are stored as IfcClassificationReference objects in the IFC file.

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Why classifications matter

Classification codes are used by:

• Cost estimating software to look up unit rates.
• Facilities management software to identify maintainable elements.
• BIM compliance checking (some contracts require Uniclass coding).

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See also

• IFC Elements — manage IFC class assignments
• Material — assign materials to elements
• Schedule — aggregate quantities by classification
• BIM Workbench — workbench overview