IFC 4.3.1.0 (IFC4X3_ADD1) development

5.4.8.6 PEnum_UncertaintyBasis

5.4.8.6.1 Semantic definition

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5.4.8.6.2 Type values

Type	Description
`ASSESSMENT`	No description available.
`ESTIMATE`	No description available.
`INTERPRITATION`	No description available.
`MEASUREMENT`	No description available.
`OBSERVATION`	No description available.
`NOTKNOWN`	Value is unkown
`USERDEFINED`	User Defined
`NOTDEFINED`	Notdefined

Table 5.4.8.6.A

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