IFC 4.4.0.0 build 20261005 (IFC4X4_DEV_20260525) ⚠ buildingSMART Working Draft. All content is under 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 A

8.5.2.9.3 Formal representation

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

8.5.2.9.4 References

Edit on Github

3 contributor(s):
Last change: Improve definition split (#876) * bring back headers headers were previously removed by mistake, now bringing them back * add new lines and rename the tag add the word 'short' in it * unify newlines make exactly one newline before and two after the tag * resolving typos Because bringing back headers required to go back in time to previous version, I'm now re-resolving the issues: #861, #860, #856 by ArturTomczak on 2024-07-16T16:07:28+02:00

Is this page difficult to understand? Let us know!

8.5.2.9.5 Changelog

8.5.2.9.5.1 IFC4

New resource