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Outdoor pools for all-season use in the Urals make it possible to develop optimal conditions for population health promotion and recreation. The operational reliability of a pool involves designing and building of the pool basin structure as well as the modern water treatment that enables conditioning and purification of water from all kinds of contaminants received by water from the external sources and customers including water disinfection. This is achieved by means of development of the water recycling system with the use of filters loaded by the local filtering materials, the use of the combined water disinfection by liquid chlorine-containing reagents and by ozonation, water heating to desired temperatures in summer and in winter. The filter scouring water is intended for car wash after suitable decontamination. Reduction of water discharge for replenishing of the water-treatment system is possible thanks to ozonation and allowance for time estimation of operative and idle periods. These measures decrease the construction costs for such objects and shorten the payback period, attract investors for the project implementation

Characteristic Features of the Water-Treatment System Design for Outdoor Pools in the Urals