<xs:complexType name="OuterCeilingSurfaceType">
<xs:annotation>
<xs:documentation>Mainly horizontal construction that separates the interior part of the Tunnel from the ambient medium
(rock, earth, ..) from above.</xs:documentation>
</xs:annotation>
<xs:complexContent>
<xs:extension base="AbstractBoundarySurfaceType">
<xs:sequence>
<xs:element ref="_GenericApplicationPropertyOfOuterCeilingSurface" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>