The contract included construction of sanitary gravity sewerage system in housing estates: Podgórze, Wojków, Krzaczyna and the Centre of total length over 38 km and realization of sanitary sewerage system with two sedimentation tanks and storm rain water separators. Additionally in the Centre we realized two waste water pumping stations and pressure sewerage system. Moreover, we realized 5 km water supply network with a new water intake and water purification plant.