<?xml version="1.0"?>
<PropertySetDef xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" ifdguid="ac2f2880d1d011e1800000215ad4efdf" templatetype="PSET_OCCURRENCEDRIVEN" xsi:noNamespaceSchemaLocation="http://buildingSMART-tech.org/xml/psd/PSD_IFC4.xsd">
  <IfcVersion version="IFC4" />
  <Name>Pset_DamperOccurrence</Name>
  <Definition>Damper occurrence attributes attached to an instance of IfcDamper</Definition>
  <Applicability />
  <ApplicableClasses>
    <ClassName>IfcDamper</ClassName>
  </ApplicableClasses>
  <ApplicableTypeValue>IfcDamper</ApplicableTypeValue>
  <PropertyDefs>
    <PropertyDef ifdguid="b2250980d1d011e1800000215ad4efdf">
      <Name>SizingMethod</Name>
      <Definition>Identifies whether the damper is sized nominally or with exact measurements:

NOMINAL: Nominal sizing method. 
EXACT: Exact sizing method.</Definition>
      <PropertyType>
        <TypePropertyEnumeratedValue>
          <EnumList name="PEnum_DamperSizingMethod">
            <EnumItem>NOMINAL</EnumItem>
            <EnumItem>EXACT</EnumItem>
            <EnumItem>NOTKNOWN</EnumItem>
            <EnumItem>UNSET</EnumItem>
          </EnumList>
          <ConstantList>
            <ConstantDef>
              <Name>NOMINAL</Name>
              <NameAliases>
                <NameAlias lang="en">Nominal</NameAlias>
              </NameAliases>
              <DefinitionAliases>
                <DefinitionAlias lang="en">Nominal sizing method</DefinitionAlias>
              </DefinitionAliases>
            </ConstantDef>
            <ConstantDef>
              <Name>EXACT</Name>
              <NameAliases>
                <NameAlias lang="en">Exact</NameAlias>
              </NameAliases>
              <DefinitionAliases>
                <DefinitionAlias lang="en">Exact sizing method</DefinitionAlias>
              </DefinitionAliases>
            </ConstantDef>
            <ConstantDef>
              <Name>NOTKNOWN</Name>
              <NameAliases>
                <NameAlias lang="en">(unknown)</NameAlias>
              </NameAliases>
              <DefinitionAliases>
                <DefinitionAlias lang="en">Value is unknown.</DefinitionAlias>
              </DefinitionAliases>
            </ConstantDef>
            <ConstantDef>
              <Name>UNSET</Name>
              <NameAliases>
                <NameAlias lang="en">(unset)</NameAlias>
              </NameAliases>
              <DefinitionAliases>
                <DefinitionAlias lang="en">Value has not been specified.</DefinitionAlias>
              </DefinitionAliases>
            </ConstantDef>
          </ConstantList>
        </TypePropertyEnumeratedValue>
      </PropertyType>
      <NameAliases>
        <NameAlias lang="en">Sizing Method</NameAlias>
      </NameAliases>
      <DefinitionAliases>
        <DefinitionAlias lang="en" />
      </DefinitionAliases>
    </PropertyDef>
  </PropertyDefs>
  <PsetDefinitionAliases>
    <PsetDefinitionAlias lang="en" />
  </PsetDefinitionAliases>
</PropertySetDef>