The implementation of the contract is aimed at the construction of a sanitary sewage system discharging domestic and commercial sewage from the southern areas of the Wilanów district, ie Powsina, Latoszków and Kępa Latoszkowej. The sewage system will be located in the following streets: Prętowa (section from the planned well sewage S5 to Ruczaj street), Ruczaj, Rosochata, Przyczółkowa, Przekornej and Potułkały. Four sewage pumping stations will be located along the sewage route