The Minimum Recommended Diameter of Sewers is

Answer: C. 150 mm

The minimum recommended diameter of sewers is 150 mm.

Solution

When the length of the sewer line is 6 metre then a sewer of 100 mm dia is adopted but if the length of sewer line is more than 6 metre then a sewer of minimum diameter 150 mm is allowed. The minimum recommended diameter of sewers is 150 mm.

Maximum diameter of sewer adopted in design is 300 mm.

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