#### 6.2.3.3 AISC_EM11_Pset_Washer

| Washer: Washer can be mapped to explicit instance of Fastener (IfcMechanicalFastener) without geometric representation or local placement. It may use properties to identify size and relative location from bolt head.

buildingSMART Data Dictionary

PSD-XML

Name | Type | Description
--- | --- | ---
WasherStandard | P_SINGLEVALUE / IfcIdentifier |
| Washer Standard | Name of Washer Type Library
WasherSize | P_SINGLEVALUE / IfcPositiveLengthMeasure |
| Washer Size | Washer size designation as specified in the Standard
WasherThickness | P_SINGLEVALUE / IfcPositiveLengthMeasure |
| Washer Thickness |
BoltAssemblySequentialOrder | P_SINGLEVALUE / IfcCountMeasure |
| Bolt Assembly Sequential Order | Sequential order from the Bolt Head. Location of the washer is relative to the location of its Bolt Assembly
HeadSideWasher | P_SINGLEVALUE / IfcBoolean |
| Head Side Washer | Indicates if the washer is located on the bolt head side or not.

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