Purpose: to develop a concept of water supply for small and medium-sized communities with a population of less than 500 people. The remoteness of rural settlements, especially small and medium-sized ones with a population of up to 500 people, from surface water bodies and centralized water supply systems determines the relevance of the existing problem of their water supply.
Materials and methods. For the financial assessment of various options for water supply to small and medium-sized rural communities, water consumption standards, construction costs of water pipeline laying, constructing a permanent and container-type water treatment station in accordance with SP 31.13330.2021 and Order of the Ministry of Construction of the Russian Federation No. 1470/pr were used.
Results and discussion. The approximate cost of laying a water pipeline and constructing a permanent and container-type stations of the same configuration for water purification with a capacity based on the population of small and medium-sized communities was calculated. The construction cost of laying 1 km of the water pipeline was 1,850 thousand rubles, the construction of a permanent water treatment plant (PWTP) for a community with a population of 200–1,000 people is approximately 55,000 thousand rubles. The cost of constructing a container station varies from 5,935 to 8,360 thousand rubles depending on the population.
Conclusions. Comparison of the cost of a permanent and container treatment plant showed that with a population of 200 people, the cost of a permanent PWTP is 9.3 times higher than that of a container station, 500 people – 8.3 times, 1,000 people – 6.6 times, respectively. Based on the cost of the necessary equipment for the water treatment plant and the construction of one kilometer of the water pipeline, a cost-effective optimal length of the water pipeline was established, amounting to 4.5 km. When laying a longer water pipeline, which is typical for real conditions, the costs will exceed the cost of container treatment plants. The basic concept of water supply for small rural communities is the construction of containerized automated water treatment plants.
water supply concept, small rural communities, container-type treatment plant
Maryash S. A., Drovovozova T. I., Milchenkova D. V. Current concepts of water supply for small rural communities. Ways of Increasing the Efficiency of Irrigated Agriculture. 2024;94(3):51–61. (In Russ.).
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