IFC 4.3.x development

8.5.2.9 IfcTaskDurationEnum

8.5.2.9.1 Semantic definitions at the entity

IfcTaskDurationEnum identifies how a time duration is measured.

HISTORY  New enumeration in IFC4.

Items

ELAPSEDTIME

The time duration is based on elapsed time (24 hours per day, independent of calendar).

WORKTIME

The time duration is based on work time (calendar-dependent).

NOTDEFINED

The time duration is undefined.

8.5.2.9.1 Formal representations

TYPE IfcTaskDurationEnum = ENUMERATION OF
	(ELAPSEDTIME
	,WORKTIME
	,NOTDEFINED);
END_TYPE;