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The Making of a Dam ... Cofferdams

To isolate the construction site for works to begin and protect the area from flooding, two cofferdams were constructed. The upper cofferdam was built in 1990, by the previous contractor and the lower cofferdam was constructed in 2003 by MCH JV.

     
Upstream view of the Cofferdams in 2003
     
Upstream aerial view of the Cofferdams in 2003
     
 
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