Modernization of the aeration systems at the wastewater treatment plant in Klwatka Królewska, Gózd municipality

Summary

The tender concerns the modernization of the aeration systems at the wastewater treatment plant in Klwatka Królewska, Gózd municipality. The works include cleaning the nitrification, denitrification and dephosphatation chambers, replacing membrane disc aeration with elastomeric panel diffusers, replacing compressed-air piping, installing two oxygen meters, replacing the influent pipe, pumping and managing liquid sludge, and removing sludge and cleaning waste. The contractor must carry out the works while the plant remains in operation, complete testing and commissioning, prepare as-built documentation, maintain and restore the site, and remedy any damage caused during the works. The contract period is two months. The bid deadline is 21 September 2026 at 10:00, and bids must be submitted electronically through the contracting authority’s platform. Price accounts for 60% of the evaluation and the length of the warranty and statutory liability period for 40%. A bid guarantee of PLN 4,000 is required.