ifc:IfcPileConstructionEnum

<xs:simpleType name="IfcPileConstructionEnum">
  <xs:restriction base="xs:string">
    <xs:enumeration value="cast_in_place"/>
    <xs:enumeration value="composite"/>
    <xs:enumeration value="precast_concrete"/>
    <xs:enumeration value="prefab_steel"/>
    <xs:enumeration value="userdefined"/>
    <xs:enumeration value="notdefined"/>
  </xs:restriction>
</xs:simpleType>