<?xml version="1.0" encoding="utf-8"?>
<PropertySetDef xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" ifdguid="06a176c62464629fc9ce291d6151f68b" templatetype="PSET_TYPEDRIVENOVERRIDE" xsi:noNamespaceSchemaLocation="http://buildingSMART-tech.org/xml/psd/PSD_IFC4.xsd" xmlns="http://buildingSMART-tech.org/xml/psd/PSD_IFC4.xsd">
  <IfcVersion version="IFC4X4" />
  <Name>Pset_DiscreteAccessoryTypeSoundAbsorption</Name>
  <Definition>Properties of sound absorption equipment used in railway. The property set can be used by the predefined type SOUNDABSORPTION of IfcDiscreteAccessory.</Definition>
  <Applicability />
  <ApplicableClasses>
    <ClassName>IfcDiscreteAccessory/SOUNDABSORPTION</ClassName>
  </ApplicableClasses>
  <ApplicableTypeValue>IfcDiscreteAccessory/SOUNDABSORPTION</ApplicableTypeValue>
  <PropertyDefs>
    <PropertyDef ifdguid="cdf251b9f95940e28654b7ff0218f944">
      <Name>SoundAbsorptionLimit</Name>
      <Definition>Mandatory limit values in sound absorption.</Definition>
      <PropertyType>
        <TypePropertySingleValue>
          <DataType type="IfcSoundPowerLevelMeasure" />
        </TypePropertySingleValue>
      </PropertyType>
      <NameAliases />
      <DefinitionAliases />
    </PropertyDef>
  </PropertyDefs>
  <PsetDefinitionAliases />
</PropertySetDef>