TeachMeFinance.com - explain Cofferdam
Cofferdam The term 'Cofferdam' as it applies to the area of reclamation can be defined as ' A temporary structure enclosing all or part of the construction area so that construction can proceed in the dry. A diversion cofferdam diverts a river into a pipe, channel or tunnel. A temporary barrier, usually an earthen dike, constructed around a worksite in a reservoir or on a stream, so the worksite can be dewatered or the water level controlled. See dam'.
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