ifc:IfcDistributionSystemEnum

<xs:simpleType name="IfcDistributionSystemEnum">
  <xs:restriction base="xs:string">
    <xs:enumeration value="airconditioning"/>
    <xs:enumeration value="audiovisual"/>
    <xs:enumeration value="chemical"/>
    <xs:enumeration value="chilledwater"/>
    <xs:enumeration value="communication"/>
    <xs:enumeration value="compressedair"/>
    <xs:enumeration value="condenserwater"/>
    <xs:enumeration value="control"/>
    <xs:enumeration value="conveying"/>
    <xs:enumeration value="data"/>
    <xs:enumeration value="disposal"/>
    <xs:enumeration value="domesticcoldwater"/>
    <xs:enumeration value="domestichotwater"/>
    <xs:enumeration value="drainage"/>
    <xs:enumeration value="earthing"/>
    <xs:enumeration value="electrical"/>
    <xs:enumeration value="electroacoustic"/>
    <xs:enumeration value="exhaust"/>
    <xs:enumeration value="fireprotection"/>
    <xs:enumeration value="fuel"/>
    <xs:enumeration value="gas"/>
    <xs:enumeration value="hazardous"/>
    <xs:enumeration value="heating"/>
    <xs:enumeration value="lighting"/>
    <xs:enumeration value="lightningprotection"/>
    <xs:enumeration value="municipalsolidwaste"/>
    <xs:enumeration value="oil"/>
    <xs:enumeration value="operational"/>
    <xs:enumeration value="powergeneration"/>
    <xs:enumeration value="rainwater"/>
    <xs:enumeration value="refrigeration"/>
    <xs:enumeration value="security"/>
    <xs:enumeration value="sewage"/>
    <xs:enumeration value="signal"/>
    <xs:enumeration value="stormwater"/>
    <xs:enumeration value="telephone"/>
    <xs:enumeration value="tv"/>
    <xs:enumeration value="vacuum"/>
    <xs:enumeration value="vent"/>
    <xs:enumeration value="ventilation"/>
    <xs:enumeration value="wastewater"/>
    <xs:enumeration value="watersupply"/>
    <xs:enumeration value="userdefined"/>
    <xs:enumeration value="notdefined"/>
  </xs:restriction>
</xs:simpleType>