Construction of a stormwater drainage system with five underground retention tanks at Niedźwiedź Primary School

Summary

The tender concerns construction of a stormwater drainage system and five underground, watertight rainwater retention tanks at Niedźwiedź Primary School. The works include PVC-U pipelines with total lengths of 26.8 m and 320.9 m, inspection and settling chambers, connections for existing rainwater downpipes, and five 10 m³ tanks. The works must be completed by 27 November 2026. Tenders must be submitted electronically in Polish by 23 September 2026 at 13:00. Price accounts for 60% of the evaluation and additional warranty accounts for 40%. The bidder must demonstrate the required previous experience, submit the exclusion and qualification declarations, and provide performance security.