IfcRelServicesBuildings

Definition from IAI: An objectified relationship that defines the relationship between a system and the sites, buildings, storeys or spaces, it serves. Examples of systems are:

- building service systems (heating, cooling, waste water system) represented by instances of IfcSystem
- idealized structural analysis systems represented by instances of IfcStructuralAnalysisSystem

> HISTORY New entity in IFC Release 1.0

> IFC2x PLATFORM CHANGE The data type of the attributeRelatedBuildings has been changed from IfcBuilding to its supertype IfcSpatialStructureElement with upward compatibility for file based exchange. The name IfcRelServicesBuildings is a known anomaly, as the relationship is not restricted to buildings anymore.

EXPRESS specification:

ENTITY IfcRelServicesBuildings
SUBTYPE OF ( | IfcRelConnects);
RelatingSystem | : | IfcSystem;
RelatedBuildings | : | SET [1:?] OF IfcSpatialStructureElement;
END_ENTITY;

Attribute definitions:

RelatingSystem | : | System that services the Buildings.
RelatedBuildings | : | Spatial structure elements (including site, building, storeys) that are serviced by the system. IFC2x PLATFORM CHANGE The data type has been changed from IfcBuilding to IfcSpatialStructureElement with upward compatibility for file based exchange.

Inheritance graph

ENTITY IfcRelServicesBuildings;
ENTITY IfcRoot;
GlobalId | : | IfcGloballyUniqueId;
OwnerHistory | : | IfcOwnerHistory;
Name | : | OPTIONAL IfcLabel;
Description | : | OPTIONAL IfcText;
ENTITY IfcRelationship;
ENTITY IfcRelConnects;
ENTITY IfcRelServicesBuildings;
RelatingSystem | : | IfcSystem;
RelatedBuildings | : | SET [1:?] OF IfcSpatialStructureElement;
END_ENTITY;