IfcProjectOrderTypeEnum

BACnet MVD

#### IfcProjectOrderTypeEnum

Natural language names

| Project Order Type Enum

##### Semantic definitions at the type

Type definition

An IfcProjectOrderTypeEnum is a list of the types of project order that may be identified.

> HISTORY New enumeration in IFC2x2.

Enumeration definition

Constant | Description
--- | ---
CHANGEORDER | An instruction to make a change to a product or work being undertaken and a description of the work that is to be performed.
MAINTENANCEWORKORDER | An instruction to carry out maintenance work and a description of the work that is to be performed.
MOVEORDER | An instruction to move persons and artefacts and a description of the move locations, objects to be moved, etc.
PURCHASEORDER | An instruction to purchase goods and/or services and a description of the goods and/or services to be purchased that is to be performed.
WORKORDER | A general instruction to carry out work and a description of the work to be done. Note the difference between a work order generally and a maintenance work order.
USERDEFINED | User-defined type.
NOTDEFINED | Undefined type.

##### Formal representations

XML Specification
`<xs:simpleType name="IfcProjectOrderTypeEnum">
<xs:restriction base="xs:string">
<xs:enumeration value="changeorder"/>
<xs:enumeration value="maintenanceworkorder"/>
<xs:enumeration value="moveorder"/>
<xs:enumeration value="purchaseorder"/>
<xs:enumeration value="workorder"/>
<xs:enumeration value="userdefined"/>
<xs:enumeration value="notdefined"/>
</xs:restriction>
</xs:simpleType>
`
EXPRESS Specification
`TYPE IfcProjectOrderTypeEnum = ENUMERATION OF (
CHANGEORDER,
MAINTENANCEWORKORDER,
MOVEORDER,
PURCHASEORDER,
WORKORDER,
USERDEFINED,
NOTDEFINED);
END_TYPE;

EXPRESS-G diagram

`

References: IfcProjectOrder

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