Reconstruction of the wastewater treatment plant in Sobótka – second procedure

Summary

The tender concerns the reconstruction and expansion of the wastewater treatment plant in Sobótka, Poland, including design modifications, preparation of complete execution documentation, construction, delivery and installation of equipment, and technological commissioning. The plant serves 14,800 population equivalent (PE) and must achieve treated wastewater parameters of below 25 mg O₂/l BOD5, 125 mg O₂/l COD, 15 mg N/l total nitrogen, 2 mg P/l total phosphorus and 35 mg/l suspended solids. Offers must be submitted electronically in Polish via the contracting platform by 8 September 2026. Offers are assessed by price (60%), warranty period (20%) and the experience of the main sanitary works manager (20%).