Control of the ramified head-and-gravity wastewater disposal system of Moscow is considered with respect to the possibility of redistributing flows of sewage between structural components through underground hydraulic connections (sewers). It is supposed that the sewerage pumping stations of a network are characterized by various consumptions of electric power for pumping a unit volume of sewage (specific consumption). Analysis is limited by the subsystem of transportation of the sewage (sewerage network). Controlling the network is reduced to the purposeful redistribution of the sewage flows between the sewers and pumping stations. The control criterion is the minimizing of total consumption of the electric power by all of the pumping stations of the network. Restrictions in control are the carrying capacities of the structural components. The control algorithm is adapted to the use of computer facilities.

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