. Generally manhole are located at every
(a) 10m-20m in the sewerage.
(b) 20m-30m in the sewerage.
(c) 40-50m in the sewerage.
(d) 50-60m in the sewerage.
Best Answer
(d) 50-60m in the sewerage
Manhole is a hole (usually with a flush cover) through which a person can gain access to an underground structure.
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