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The objectified relationship, IfcRelCoversSpace, relates a space object to one or many coverings, which faces (or is assigned to) the space.

NOTE  Particularly floorings, ceilings and wall coverings, such as claddings or tiling are often considered as space coverings, rather then wall or slab coverings. In some life cycle phases, such as the operation phase, the relationship is always made to the space.

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 IFC2x3.
DEPRECATION  The relationship IfcRelCoversSpace shall not be used anymore, use IfcRelContainedInSpatialStructure instead.

XSD Specification:

 <xs:element name="IfcRelCoversSpaces" type="ifc:IfcRelCoversSpaces" substitutionGroup="ifc:IfcRelConnects" nillable="true"/>
 <xs:complexType name="IfcRelCoversSpaces">
   <xs:extension base="ifc:IfcRelConnects">
     <xs:element name="RelatingSpace" type="ifc:IfcSpace" 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 IfcRelCoversSpaces
SUBTYPE OF IfcRelConnects;
RelatingSpace : IfcSpace;
RelatedCoverings : SET [1:?] OF IfcCovering;

Link to EXPRESS-G diagram EXPRESS-G diagram

Attribute Definitions:

RelatingSpace : Relationship to the space object that is covered.
IFC4 CHANGE  The attribute name has been changed from RelatedSpace to RelatingSpace with upward compatibility for file based exchange.
RelatedCoverings : Relationship to the set of coverings covering that cover surfaces of this space.

Inheritance Graph:

ENTITY IfcRelCoversSpaces
GlobalId : IfcGloballyUniqueId;
OwnerHistory : OPTIONAL IfcOwnerHistory;
Name : OPTIONAL IfcLabel;
Description : OPTIONAL IfcText;
ENTITY IfcRelationship
ENTITY IfcRelConnects
ENTITY IfcRelCoversSpaces
RelatingSpace : IfcSpace;
RelatedCoverings : SET [1:?] OF IfcCovering;

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