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COFFERDAM CUT

COFFERDAM CUT: Dredging operations to remove the remaining temporary cofferdam surrounding the central lock and sluice complex of the £94M Cardiff Bay Barrage project began this week. The cofferdam was flooded at the beginning of March and the latest operation will allow joint venture main contractor Balfour Beatty-Costain to resume placement of precast concrete cofferdams. These will eventually form a new harbour for boats waiting to use one of the new locks. Sand removed from the cofferdam is to be stockpiled nearby ready to construct the main closure section of the barrage later this year.

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