Change of the heating method in residential unit 2 at 156 Zwycięstwa Street, Koszalin

Summary

The tender covers changing the heating method in residential unit 2 at 156 Zwycięstwa Street in Koszalin, including sanitary and general construction works. The scope includes partial dismantling of the existing gas, water and heating systems, installation of new gas and central-heating systems, water-supply and sewage installations and a dedicated electrical supply for the boiler, as well as installation of a 24 kW condensing gas boiler and radiators. The contractor must also carry out testing, flushing, disinfection, commissioning, adjustment and reinstatement works. The completion period is up to 2 months from handover of the construction site, and the works and materials carry a 5-year warranty. Tenders must be submitted by 28 September 2026 at 09:00. Price is the only award criterion. The bidder must submit a compliant electronic tender with a detailed priced cost estimate, declarations concerning exclusion and qualification requirements, and information on the required qualified personnel.