Capacity of the trunk sewer

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Reference no: EM13339004

3 An existing trunk sewer ABC has a diameter of 600 mm (see Fig. Q4). The length of sewers between successive manholes A to B and B to C is 50 m. The sewage flow from a new development at X (ground elevation = 536.35m) to the north of the trunk sewer is planned to be conveyed in a new sewer line XB (distance = 50m) to discharge in manhole B. The average flow is estimated to be 300 Lpcd, and the peaking factor is 3. The following limitations are given Vmin = 0.75 m/s, Vmax = 3.0 m/s, n = 0.013, minimum cover = 1.5 m. Determine the following:

1306_Determine the peak outflow rate1.png

(i) The maximum population that can be served from the new development without exceeding the capacity of the trunk sewer.

(ii) Diameter, slope, and invert elevations of sewer XB.

Reference no: EM13339004

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