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.
Table 6.5.2.5.A
6.5.2.5.3 Formal representation
TYPE IfcProjectOrderTypeEnum = ENUMERATION OF
(CHANGEORDER
,MAINTENANCEWORKORDER
,MOVEORDER
,PURCHASEORDER
,WORKORDER
,USERDEFINED
,NOTDEFINED);
END_TYPE;