The contract involved execution of construction works related to the expansion and redevelopment of existing facilities and systems of the mechanical, biological and sedimentary parts in Klimzowiec Sewage Treatment Plant, located on the border of two cities: Chorzów and Katowice. The works involved the modernization of the plant’s power supply system, as well as installing new Control and Measurement Instruments and Automation. The plant’s throughput is above 100,000 population equivalent. The total net value of the project is PLN 93 million.