Pipe diameter: $0\mathrm{.}6m,$ pipe slope: $0\mathrm{.}002,n=0\mathrm{.}015$ ignore infiltration and inflow.

What is the maximum population that this trunk sewer can serve for, if the average water demand per person is $200\frac{L}{?}$ cap.d and the wastewater generation ratio is $0\mathrm{.}8.$ You can use factor $0\mathrm{.}5$ for minimum flow and factor $2\mathrm{.}5$ for peak flow$($ANSWER $$S $51408)!!!!!$