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Pile test makes savings on London supermarket

PRELIMINARY PILE testing on a new supermarket site in west London has allowed a reduced factor of safety to be used for foundations and retaining wall piles. This has resulted in shorter piles, which are cheaper and quicker to construct. Testing was undertaken on sacrificial piles, loading them to three times their working load, and on six working piles at one-and-a-half times their working load.

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