When the depth of water is from 4.5 to 6 m, the type of cofferdam used – McqOptions

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1.	When the depth of water is from 4.5 to 6 m, the type of cofferdam used is
A.	earthen cofferdam
B.	rock fill cofferdam
C.	single-walled cofferdam
D.	double walled cofferdam
Answer» D. double walled cofferdam

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