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UDC 628.144:006.015.7

Neparidze R. Sh., Urakin M. V., Belyaev N. N., Sokolov A. I., Kovyrshina R. N., Neliubina A. A.

Results of hydraulic calculations of the water supply and distribution system in Tobolsk, the Tyumen Region

Summary

The progress of process surveys and hydraulic calculations of the water supply and distribution system of Tobolsk by the specialists of «RVKN» LLC (Moscow), PAO «Sibirsko-Ural’skaia Energeticheskaia Kompaniia» (Tyumen) and its Tobolsk branch are covered. The work is based on the theoretical foundations and methods in the field of hydraulic calculations of water distribution networks carried out by leading Russian research workers, as well as the rich experience of numerous similar works carried out by the specialists of «RVKN» LLC in previous years. Process surveys included an on-site survey of the water distribution system rating the relevant characteristics of pumping equipment and a manometric survey. In the course of hydraulic calculations 25 different options were considered that involved seasonal changes in the modes of operation of the municipal water supply system with account of the compliance with the fire extinguishing requirements. At the same time special attention was paid to including the newly commissioned (upgraded) Sokolovsky water intake facilities. The analysis of the calculation results showed a low relevant process and structural reliability of the water supply and distribution system, especially of the currently operated Zhukovsky water intake facilities. The stage-by-stage program for the development of the municipal water supply and distribution system (WSDS) provided for the measures aimed at the optimization of the operation in the coming years, as well as the development of a reliable and prospective water supply scheme for Tobolsk.

Key words

assessment of technical state , hydraulic design , mathematic modelling , water supply and water distribution system , manometric survey , detailization and simplification of the calculation model , surplus hydraulic head , inefficient water losses , relevant characteristics of pumping equipment , process and structural reliability

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