A. If the bed level is above N.S.L. the canal is called fully in baking and the berms are designed as 3 d where d is full supply depth of water (F.S.D.)
B. Area of canal in cutting = BD + Sd2 where B = bed width, d = depth of cutting and S is the side slope
C. Area of the bank of canal = B1d1 + Sd2 where B1, d1 and S are the width of bank, height of the bank above N.S.L. and side slope respectively
D. If F.S.L. is above N.S.L the canal is called partly in cutting and partly in filling and berms are designed as 2d where d is full supply depth
E. All the above.
Correct Answer
All the above.
Estimating and Costing problems
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1. A cement concrete road is 1000 m long, 8 m wide and 15 cm thick over the sub-base of 10 cm thick gravel. The box cutting in road crust is