Description: reconstruction of existing facilities – distribution chambers, foculators and sedimentation tanks, filter galleries, administrative buildings; construction of new facilities – ozonation facility, floors P + 1, dimensions 21.43 × 9.8m in the base, total gross area 420m²; footbridges, with a gross area of 35.26 m2 connecting the ozonation facility with the existing facility-pipe gallery; sedimentation-lagoons, reinforced concrete building designed as an outdoor pool consisting of an inflow shaft, two retention chambers and an outflow channel measuring 13.9 × 23.70 m, gross area 329.43 m²; gas station; internal traffic.