If the maximum spring rise is 2 m and height of the waves expected is 4 m , then the breakwater height above the datum will be_________________?
A. 2.5 m
B. 4 m
C. 5 m
D. 7 m
If the maximum spring rise is 2 m and height of the waves expected is 4 m , then the breakwater height above the datum will be_________________?