Renovation of the water supply network and raw water pipeline, reconstruction and extension of the water supply network with necessary technical infrastructure in Sejny

Summary

The tender covers the renovation of the water supply network and raw water pipeline, reconstruction and extension of the water supply network, and related technical infrastructure in Sejny. The works are divided into stages and must be completed by 31 January 2028. The contractor must prepare the price based on the full technical documentation, submit the tender electronically in Polish by 21 September 2026 at 16:00, and provide a 60-month warranty. Evaluation is based on price, weighted at 60%, and contractor experience, weighted at 40%. The tender requires at least two relevant water-network projects, financial capacity, liability insurance, and qualified technical personnel. No tender guarantee is required, but the successful bidder must provide performance security equal to 3% of the gross tender price.