Computer · Environmental Engineering
A drop manhole is provided along a sewer line under which of the following conditions?
- 1When a branch sewer outfalls into a main sewer from a height of more than 0.6 m✓
- 2To provide necessary inspection chambers in the sewer line
- 3When the main sewer drops from a height of more than 0.6 m
- 4When rainwater is diverted into the sewer line
Correct answer
When a branch sewer outfalls into a main sewer from a height of more than 0.6 m
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