Question
Download Solution PDFIn sewerage system drop manholes are provided when there is a:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Drop Manhole
A drop manhole is a manhole in which a vertical pipe is provided to allow for flow between the branch sewer and the main sewer.
- Drop manholes are provided when there is change in elevation of ground level.
- A drop manhole reduces the turbulence in the manhole when the elevation difference between the incoming and outflow sewers is greater than 0.5 meter.
- Sloping ground, with drop more than 0.6 m is required to control the gradient.
- Therefore they are provided in hilly townships.
Last updated on Jun 11, 2024
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