Upgrading the heating, domestic hot water and heat substation systems at the residential property at 20 Kłopotowskiego Street

Summary

The tender concerns construction works at the residential property at 20 Kłopotowskiego Street in Warsaw: converting basement rooms for a heat substation and upgrading the central heating, domestic hot water circulation and heat substation systems, including sanitary, electrical, finishing and renovation works. The contract period is 240 days and bids must be submitted electronically in Polish by 17 September 2026 at 00:00. Offers are assessed by price (60%) and warranty period (40%). The bidder must have civil liability insurance of at least PLN 1,000,000, demonstrate two relevant works completed within the last five years, and provide the required technical staff and at least six employees working under employment contracts at a minimum of 0.5 full-time equivalent throughout contract performance.