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A cofferdam is a temporary barrier built to keep water out of the area surrounding a ship, usually prior to construction or repair work. It is usually created by driving interlocking sheet piling into the ground and then pumping the area out with a portable pump. The cofferdam creates a dry area aroRead more
A cofferdam is a temporary barrier built to keep water out of the area surrounding a ship, usually prior to construction or repair work. It is usually created by driving interlocking sheet piling into the ground and then pumping the area out with a portable pump. The cofferdam creates a dry area around the ship so that it can be accessed and worked on without coming into contact with the water.
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