Various sorts of Cofferdams are typically needed for ventures, for example, denis, docks, and development of extension wharves and projections.
Prerequisites of a Cofferdam:
It ought to be sensibly watertight.
It ought to be for the most part developed at the site of work.
The plan and format of a cofferdam ought to be with the end goal that the all-out cost of development, support, and siphoning is least.
It ought to be steady against exploding, upsetting, and sliding, under the floods and waves.
The water to be avoided by a dam might be either groundwater or water lying over the ground level. They might be profound or shallow and still or running.
The materials utilized in the development of a cofferdam are earth, lumber, steel, and cement.
