Cross Drainage Works Quiz

Cross-drainage works are normally not necessary after a canal is taken to the watershed unless the canal leaves the watershed for some distance forming a loop.

A cross drainage work is a structure carrying the discharge of a natural stream across a canal intercepting the stream. It is necessary when a canal is to be taken to the watershed and crosses a number of natural streams in the distance between the reservoir to the watershed.

Cross-drainage works are generally considered a costly item due to their construction and maintenance requirements.

<p>The two methods recommended for avoiding cross-drainage works as far as possible are (i) diverting one stream into another, or (ii) changing the alignment of the canal so that it crosses below the junction of two streams.</p> Signup and view all the answers

<p>The types of cross-drainage works based on relative levels and discharges may be of the following types: C.D. Works carrying canal over the drainage.</p> Signup and view all the answers