1. Engineering
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  3. as a training officer you were asked to complete the...

Question: as a training officer you were asked to complete the...

Question details
  1. As a training officer, you were asked to complete the analysis of sewer collection design in Table Q1c by showing calculation for each manhole. Design the sewerage reticulation by using the Manning's n = 0.009.   

Table Q1c

Manholes

Population Equivalent

Peak Flow Factor (PFF)

Dry Weather Flow (DWF)

DWF Cumulative Q dry (m3/s)

Peak Flow, PF Q Peak

PF Cumulative, Q design

From

To

MH1

MH2

60

MH2

MH3

0

MH3

MH4

50

  

Diameter (mm)

Area (m2)

Slope (1/x)

Length (m)

Velocity (m/s)

Q pipe (m3/s)

Qpipe>Qdesign

250

150

32.60

250

150

23.00

250

150

51.50

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