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Autumn finish for main line stabilisation near Bristol

CAN GEOTECHNICAL is working on the stabilisation of both faces of a 15m high, 450m long rail cutting carrying the main line between London, south Wales and south west England.

The contractor is installing more than 1,200 rock bolts up to 7m long into carboniferous sandstone on the outskirts of Bristol. Drill masts mounted on telehandlers and excavators are forming holes in the lower locations, while the upper portion of the cutting is being accessed with A-frame drill rigs suspended over protective rockfall netting.

The bolts will be used to pre-tension netting over the entire rock face. Most of the work has had to be carried out during weekend possessions and is due to finish this autumn.

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