Civil Engineering - Highway Engineering - Discussion

1. 

Intermediate catch water drains are provided only, if

[A]. catchment area of the watershed above road is large
[B]. intensity of rainfall is heavy
[C]. single catch water drain is inadequate
[D]. all the above.

Answer: Option D

Explanation:

No answer description available for this question.

Nitin said: (Sep 8, 2018)  
Can anyone explain it?

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