The domain specific data schemas contain final specializations of entities as shown highlighted in blue. Entities defined in this layer are self-contained and cannot be referenced by any other layer. The domain specific layer organizes definitions according to industry discipline.
7.1 IfcElectricalDomain
7.2 IfcHvacDomain
7.3 IfcPlumbingFireProtectionDomain
7.4 IfcStructuralAnalysisDomain
7.5 IfcStructuralElementsDomain