Bilfinger Berger, the German contractor delivering the Edinburgh tram scheme, needed to source robust, secure housings for the trackside switchgear, protection and control equipment required by the trams.


Portastor manufactured and supplied three multi-room, single-piece modules to house power and control equipment for the Edinburgh trams. These were specially designed to house switchgear, ring-main units and protected control areas, all in separate rooms within the building.
The buildings were manufactured without floors, to provide a simple ’drop-over’ solution. The completed buildings, comprising walls and roof, were simply craned over the equipment located on site, then bolted down to provide a secure housing. The buildings were painted brown to complement the Edinburgh street scene.

02 Siemens – Rail Electrification

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03 Siemens Rail Electrification & Hawker Siddeley Switchgear

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04 ABB – Great Western Railway

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05 Bilfinger Berger – Edinburgh

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