RAT (Rapid Access Train)

Street CraneXpress Ltd designed and installed an under deck maintenance train system to carry 4 maintenance engineers and their equipment to anywhere under the second Severn crossing bridge. The “RAT” (Rapid Access Train) allows workers carry out their work on the three access gantries, two pylons and the ten stations (including one at each Abutment) of the bridge.

The train consists of a “tractor” (the engine compartment), the cabin which seats up to 4 persons, and the trailer for carrying the equipment. The entire system has a loading capacity of 2400kg SWL (400kg in the cabin and 2000kg on the trailer).

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