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The IfcRelCoversBldgElements relationship is an objectified relationship between an element and one to many coverings, which cover that element.

NOTE  The definition of IfcCoverings include both the coverings of building elements, such as flooring or cladding. and the covering of distribution elements, such as wrapping or sleeving.

The IFC specification provides two relationships:

Whether the relationship between the covering and the space, or between the covering and the element, is regarded as primary, has to be determined within the context of a model view definition.

HISTORY  New entity in IFC1.5
DEPRECATION  The relationship IfcRelCoversBldgElements shall not be used anymore, use IfcRelAggregates instead.

XSD Specification:

 <xs:element name="IfcRelCoversBldgElements" type="ifc:IfcRelCoversBldgElements" substitutionGroup="ifc:IfcRelConnects" nillable="true"/>
 <xs:complexType name="IfcRelCoversBldgElements">
   <xs:extension base="ifc:IfcRelConnects">
     <xs:element name="RelatingBuildingElement" type="ifc:IfcElement" nillable="true"/>
     <xs:element name="RelatedCoverings">
        <xs:element ref="ifc:IfcCovering" maxOccurs="unbounded"/>
       <xs:attribute ref="ifc:itemType" fixed="ifc:IfcCovering"/>
       <xs:attribute ref="ifc:cType" fixed="set"/>
       <xs:attribute ref="ifc:arraySize" use="optional"/>

EXPRESS Specification:

ENTITY IfcRelCoversBldgElements
SUBTYPE OF IfcRelConnects;
RelatingBuildingElement : IfcElement;
RelatedCoverings : SET [1:?] OF IfcCovering;

Link to EXPRESS-G diagram EXPRESS-G diagram

Attribute Definitions:

RelatingBuildingElement : Relationship to the element that is covered. It includes building elements for coverings such as flooring or cladding, or distribution elements for coverings such as sleeving or wrapping.
RelatedCoverings : Relationship to the set of coverings that are assigned to this element.

Inheritance Graph:

ENTITY IfcRelCoversBldgElements
GlobalId : IfcGloballyUniqueId;
OwnerHistory : OPTIONAL IfcOwnerHistory;
Name : OPTIONAL IfcLabel;
Description : OPTIONAL IfcText;
ENTITY IfcRelationship
ENTITY IfcRelConnects
ENTITY IfcRelCoversBldgElements
RelatingBuildingElement : IfcElement;
RelatedCoverings : SET [1:?] OF IfcCovering;

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