Question

2.1 A combined sewer was designed to serve an area of 60km^2 with an average population density of 185 persons/hectare. the average rate of sewage flow is 350 liters per capital per day. The maximum flow is 50% in excess of the average sewer flow. The rain fall equivalent to surface runoff. what will be the discharge in the sewer in cubic meters per second? find the diameter of the sewer if running full at maximum discharge. take S=0.045

Answer 1

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