Using the examples provided on excel and powerpoint answer the following question:
An area with population densities d1 = 1000 people/km2and d2 = 3000 people/km2is served bythe water distribution network shown below. Assuming cast iron pipes, water at 4C, an averagedemand of Qmaxday = 300L/day/person and a peak factor of 1.5, calculate the flow rates and velocitiesin each pipe in L/s and m/s, respectively, as well as pressures at the nodes in kPa.

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