Q. The inspection pit or chamber is a manhole provided in a base drainage system
A. At every 30 m intervals
B. At every change of gradient
C. At every change of direction
D. All the above
Answer: All the above
We will be happy to hear your thoughts
A. At every 30 m intervals
B. At every change of gradient
C. At every change of direction
D. All the above
Answer: All the above
