Discussion :: Estimating and Costing
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The inspection pit or chamber is a manhole provided in a base drainage system
|
A.
at every change of direction |
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B.
at every change of gradient |
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C.
at every 30 m intervals |
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D.
at the point where vertical soil pipe joins the house drain |
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E.
All the above. |
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Answer : Option E
Explanation :
No answer description available for this question.
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