The project includes modernisation of the sewage treatment plant 166000 m³/day; 1 026 260RLM, including: — construction of storage tanks for GOŚ; — modernisation of sludge drainage system – delivery of centrifuges; — increasing the capacity of lines 6 and 7 by modernising waste water treatment and technological equipment; — modernisation of the sand node; — construction of a thermal sediment hydrolysis installation with nitrogen removal and phosphorus recovery from effluents.