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New Dry Dock Gates for Shipyard
01 Oct 2006
C Spencer Ltd in Barrow-on-Humber in the UK has completed work on a project to design and commission a new 30m by 12m lock gate and drive mechanisms at Dry Dock No 3 at BAE System’s Scotstoun, Glasgow shipyard, a project that involved the installation of five cellular cofferdams. The improvements to the dock were commissioned by BAe Shipbuilders to accommodate the fit out and trials of a new vessel.
The principal reason for Spencer’s award was the innovative proposal developed with design partners Bennett Associates which allowed the existing dock apron to be utilised, obviating the need for its demolition and removal and resulting in a saving in time and costs for the client.The 14m deep cofferdams provide a temporary barrier between the River Clyde and the dock to enable the removal and replacement of the existing gate.
This method was used because of the rock present at river bed level which prevents the use of standard driven sheet piles. Each cell holds 2,500m3 of fill material.
By DAVID FOXWELL
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