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Definition from buildingSMART: The element type IfcDistributionChamberElementType defines a list of commonly shared property set definitions of a distribution chamber element and an optional set of product representations. It is used to define a distribution chamber element specification (i.e. the specific product information, that is common to all occurrences of that product type).

NOTE: The product representations are defined as representation maps (at the level of the supertype IfcTypeProduct, which get assigned by an element occurrence instance through the IfcShapeRepresentation.Item[1] being an IfcMappedItem.

A distribution chamber element type is used to define the common properties of a distribution chamber element that may be applied to many occurrences of that type. A distribution chamber element is a formed volume used in a distribution system, such as a sump, trench or manhole. Distribution chamber element types may be exchanged without being already assigned to occurrences.

The occurrences of the IfcDistributionChamberElementType are represented by instances of IfcDistributionElement or its subtypes.

Property Set Use Definition:

The property sets relating to this entity are defined by the IfcPropertySet and attached by the IfcRelDefinesByProperties relationship. It is accessible by the inverse IsDefinedBy relationship. The following property set definitions specific to this entity are part of this IFC release:

HISTORY: New entity in IFC Release 2x2.

EXPRESS specification:

ENTITY IfcDistributionChamberElementType
SUBTYPE OF ( IfcDistributionFlowElementType);
PredefinedType  :  IfcDistributionChamberElementTypeEnum;

Attribute definitions:

PredefinedType  :  Predefined types of distribution chambers.

Inheritance graph

ENTITY IfcDistributionChamberElementType;
GlobalId  :  IfcGloballyUniqueId;
OwnerHistory  :  IfcOwnerHistory;
Name  :  OPTIONAL IfcLabel;
Description  :  OPTIONAL IfcText;
ENTITY IfcObjectDefinition;
HasAssignments  :  SET OF IfcRelAssigns FOR RelatedObjects;
IsDecomposedBy  :  SET OF IfcRelDecomposes FOR RelatingObject;
Decomposes  :  SET [0:1] OF IfcRelDecomposes FOR RelatedObjects;
HasAssociations  :  SET OF IfcRelAssociates FOR RelatedObjects;
ENTITY IfcTypeObject;
ApplicableOccurrence  :  OPTIONAL IfcLabel;
HasPropertySets  :  OPTIONAL SET [1:?] OF IfcPropertySetDefinition;
ObjectTypeOf  :  SET [0:1] OF IfcRelDefinesByType FOR RelatingType;
ENTITY IfcTypeProduct;
RepresentationMaps  :  OPTIONAL LIST [1:?] OF UNIQUE IfcRepresentationMap;
Tag  :  OPTIONAL IfcLabel;
ENTITY IfcElementType;
ElementType  :  OPTIONAL IfcLabel;
ENTITY IfcDistributionElementType;
ENTITY IfcDistributionFlowElementType;
ENTITY IfcDistributionChamberElementType;
PredefinedType  :  IfcDistributionChamberElementTypeEnum;