Modernisation of the stormwater sewer network in the area of the Mirków estate in Konstancin-Jeziorna

Summary

The tender concerns modernisation of the stormwater sewer network in the Mirków estate and the area between Mirkowska Street and Wojska Polskiego Avenue in Konstancin-Jeziorna. The works are to be completed within 12 months. Tenders will be evaluated solely on price, and the tender must be submitted electronically by 10:00 on 23 September 2026. The bidder must demonstrate four specific types of previous sewer-renovation experience and provide at least one specialist with the required construction design authorisation and at least three years of sanitary-design experience. The tender must be prepared in Polish, submitted in PDF format and properly signed electronically. A performance security is required.