4.2.2.1 Quantities on Occurrences

Any specialization of object can be related to multiple quantity set occurrences. A quantity set contains multiple quantity occurrences. The data type of quantity occurrence are count, length, area, volume, weight, time, and combination of quantity occurrences.

Figure 7 illustrates an instance diagram.

Quantities on OccurrencesIfcObjectIfcRelDefinesByPropertiesIfcElementQuantityIfcLabelIfcPhysicalSimpleQuantityIfcLabel

Figure 7 — Quantities on Occurrences

AISC Model View

Entity
IfcBeamO
O
IfcColumnO
O
IfcDiscreteAccessoryO
O
IfcElementAssemblyO
O
IfcMemberO
O

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