#### 7.1.3.1 IfcConstructionEquipmentResource

| Équipement utilisé pour la construction
| Baugerät - Ressource

IfcConstructionEquipmentResource is usage of construction equipment to assist in the performance of construction. Construction Equipment resources are wholly or partially consumed or occupied in the performance of construction.

> HISTORY New entity in IFC2.0.

Occurrences of IfcConstructionEquipmentResource are products that are used as resources to assist the process of construction. More specifically, they are products that are standalone items brought to a project to fulfil a particular purpose. Examples might be a tower crane or other mobile crane, a screwing machine, or a lifting hoist.

Instances of any subtype of IfcProduct may be assigned to the equipment resource using IfcRelAssignsToResource in order to characterize the equipment further, as described at the supertype IfcResource. Examples of relevant subtypes of IfcProduct are IfcTransportElement, IfcDiscreteAccessory, or IfcProxy (for particular cases where more precise usage details are not available)

## Electrical System Design

Instance diagram

Identity

The Identity concept applies to this entity.

Object Typing

The Object Typing concept applies to this entity as shown in Table 54.

Type
IfcConstructionEquipmentResourceType
Table 54 — IfcConstructionEquipmentResource Object Typing

Exchange |  |  |  |  |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Import |  |  |  |  |  |  |  |  |  |  |  |  |
Export |  |  |  |  |  |  |  |  |  |  |  |  |

Resource Cost

The Resource Cost concept applies to this entity.

Resource Quantity

The Resource Quantity concept applies to this entity.

XSD Specification:

<xs:element name="IfcConstructionEquipmentResource" type="ifc:IfcConstructionEquipmentResource" substitutionGroup="ifc:IfcConstructionResource" nillable="true"/>
<xs:complexType name="IfcConstructionEquipmentResource">
<xs:complexContent>
<xs:extension base="ifc:IfcConstructionResource"/>
</xs:complexContent>
</xs:complexType>

EXPRESS Specification:

ENTITY IfcConstructionEquipmentResource

| SUBTYPE OF (IfcConstructionResource);

PredefinedType | : | OPTIONAL IfcStrippedOptional;

| WHERE

CorrectPredefinedType | : | NOT(EXISTS(PredefinedType)) OR (PredefinedType <> IfcConstructionEquipmentResourceTypeEnum.USERDEFINED) OR ((PredefinedType = IfcConstructionEquipmentResourceTypeEnum.USERDEFINED) AND EXISTS (SELF\IfcObject.ObjectType));

END_ENTITY;

Attribute Definitions:

PredefinedType | : | Defines types of construction equipment resources. IFC4 New attribute.

Inheritance Graph:

ENTITY IfcConstructionEquipmentResource

| ENTITY IfcRoot

GlobalId | : | IfcGloballyUniqueId;
OwnerHistory | : | OPTIONAL IfcOwnerHistory;
Name | : | OPTIONAL IfcLabel;
Description | : | OPTIONAL IfcText;

| ENTITY IfcObjectDefinition

| INVERSE

HasAssignments | : | SET OF IfcRelAssigns FOR RelatedObjects;
Nests | : | SET [0:1] OF IfcRelNests FOR RelatedObjects;
IsNestedBy | : | SET OF IfcRelNests FOR RelatingObject;
HasContext | : | SET [0:1] OF IfcRelDeclares FOR RelatedDefinitions;
IsDecomposedBy | : | SET OF IfcRelAggregates FOR RelatingObject;
Decomposes | : | SET [0:1] OF IfcRelAggregates FOR RelatedObjects;
HasAssociations | : | SET OF IfcRelAssociates FOR RelatedObjects;

| ENTITY IfcObject

ObjectType | : | OPTIONAL IfcStrippedOptional;

| INVERSE

IsDeclaredBy | : | SET [0:1] OF IfcRelDefinesByObject FOR RelatedObjects;
Declares | : | SET OF IfcRelDefinesByObject FOR RelatingObject;
IsTypedBy | : | SET [0:1] OF IfcRelDefinesByType FOR RelatedObjects;
IsDefinedBy | : | SET OF IfcRelDefinesByProperties FOR RelatedObjects;

| ENTITY IfcResource

Identification | : | OPTIONAL IfcStrippedOptional;
LongDescription | : | OPTIONAL IfcStrippedOptional;

| INVERSE

ResourceOf | : | SET OF IfcRelAssignsToResource FOR RelatingResource;

| ENTITY IfcConstructionResource

Usage | : | OPTIONAL IfcStrippedOptional;
BaseCosts | : | OPTIONAL LIST [1:?] OF IfcAppliedValue;
BaseQuantity | : | OPTIONAL IfcPhysicalQuantity;

| ENTITY IfcConstructionEquipmentResource

PredefinedType | : | OPTIONAL IfcStrippedOptional;

END_ENTITY;

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