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P&S Consulting Engineers

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Projects » Thompson Street Services Bridge

Thompson Street in Darlington crosses over the East Coast main line. The existing plate girder bridge had a timber deck with limited capacity and was to be replaced. 

On investigation it was found that the bridge carried a 400mm diameter water main supplying Darlington, and this and other auxiliary services needed to be supported across the opening when the bridge was removed. The required services bridge span was 26m and needed to be capable of resisting horizontal thrust loads exerted by the water main. In addition, the bridge needed to provide a suitable support for the OLE when the existing bridge was removed.

PaSCoE designed a three section bridge for Birse Rail Ltd that allowed the sections to be installed without the need for craneage. The temporary services bridge was used for over six months, and the capability and versatility of the bridge were such that it was retained for use on future projects.

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