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Piles stop short of aquifer threat


SIMPLEX FOUNDATIONS has completed 290 bearing piles on two levels to avoid possible contamination from an old gasholder on the site of the new £13.1M Lifelong Learning Centre and Library in Oldham, north west England.

Piles could not be drilled through the underlying boulder clay and into the sandstone aquifer beneath as there were concerns that contaminants in the made ground could migrate down into the aquifer. Foundation design was by Arup.

Main contractor on the Private Finance Initiative project is Kier North West, working for a consortium comprising Kier Project Investment, Caxton FM, Barclays Capital and Helaba.

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