The project includes the following tasks: 1. Construction of a sanitary sewage network with a sewage pumping station in Chotowa with a length of 995.5 meters and inclusion of 10 households in the network. 2. Construction of a gravitational sanitary sewerage network in Grabiny with a length of 288,5 meters and inclusion in the network of 1 household 3. Construction of a gravitational sanitary sewerage network in Głowaczowa with a length of 331 meters. 4. Construction of a gravitational sanitary sewerage network with a length of 255.5 meters and a pressure sewerage network with a length of 170.5 along with a sewage pumping station in Głowaczowa and inclusion of 2 households in the network. 5. Renovation of the sewage pumping station in Chotowa on plot 283/1. 6. Renovation of the sewage pumping station in Chotowa on plots 460/3, 469. 7. Replacement of chillers (blowers) for air stamping pcs. 4 in the reactors of the wastewater treatment plant in Głowaczowa. 8. Investor supervision. The total length of sewage networks is 2041 meters and will enable the inclusion of 13 houses and will be the armament of existing building plots. The rationale for undertaking the tasks falling within the scope of the project is the need to adapt the wastewater infrastructure to the conditions of the Wastewater Directive. Execution of replacement of 4 units of air compressor units (blowers) in two reactors of the sewage treatment plant in Głowaczowa will allow to reduce the electricity consumption of the system, and renovation of 2 units of the sewage pumping station will ensure the safety of operation of the collective sewage system of the Głowaczowa agglomeration. Addendum: The objectives of the project are: 1. Improving the functioning of the wastewater treatment system in the municipality of Czarna through the renovation of existing wastewater pumping stations and the replacement of air compressors (blowers) in the reactors of wastewater treatment plants. 2. Incorporation of 13 houses into the sewage network and armament of existing building plots.