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Mabey jacks 700t bridge off bearings

PLANT

MABEY Support Systems used eight hydraulic jacks to lift the 700-tonne Bluther Burn Bridge in Rosyth clear of its bearings to enable highway operator BEAR Scotland to carry out maintenance work.

Mabey used the 300-tonne climbing jacks to raise the bridge deck by 1.5 m and build hardwood supporting towers underneath, which then took the load.

To minimise traffic disruption, the support specialist supplied a 117 m-long steel temporary bridge directly above the existing bridge.