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The “cofferdam technique” is used for building the foundation for a bridge. In this method, a wall enclo… | Unbelievable facts, History facts interesting, Fun facts
Concrete pour for bridge pylons marks next step for the Mersey Gateway Project | The Mersey Gateway Project
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BAY BRIDGE CHRONICLES / Piling it on -- loudly / Work on new span's foundation about to enter noisy next phase
One of the four cofferdams, the tidal river ment that the dam had to be pumped out before the next stage of the foundation was started Stock Photo - Alamy
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