IFC 4.3.0.1 (IFC4X3) development

8.5.2.9 IfcTaskDurationEnum

8.5.2.9.1 Semantic definition

IfcTaskDurationEnum identifies how a time duration is measured.

8.5.2.9.2 Type values

Type Description
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.

Table 8.5.2.9.A

8.5.2.9.3 Formal representation

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

8.5.2.9.4 References

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