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UDC 628.17

Danilov A. N., Hyamyalyainen M. M., Karabenin M. S., JUDIN M. Iu.

Water consumption dynamics in big Russian cities by the example of St. Petersburg

Summary

The common task of the water and wastewater utilities is efficient operation of the public water supply and wastewater disposal systems. To perform the task one should know the demand for the produced and supplied resource. The best indicator of the water demand is the specific water consumption by the population. Lately a steady decrease in water consumption in the Russian cities has been observed. Now the actual values of the specific water consumption by the population is lower compared to the set regulated values. The observed dynamics of this indicator demands a detailed study. To do this the factors that could affect the water consumption level were selected. On the basis of selecting the data on the domestic water consumption in Saint-Petersburg and the number of residents the specific water consumption values were calculated. The calculations provided for determining and substantiating the dependence of the specific water consumption by the population on the following factors: capital repairs in the apartment houses (including the plumbing), occupancy density and the age of the residents.

Key words

water consumption , operation expenditures , centralized water supply , strategic planning , specific domestic cold water consumption , reliability of distribution network operation

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