Repair of drainage and dewatering network failures

Summary

The contract covers the removal of failures in drainage and dewatering networks in the Piaseczno municipality until 15 December 2028. The works include cleaning ditches, drainage outlets and wells, desilting pipes with diameters from 0.4 m to 1 m, relocating drainage collectors, constructing pipelines, repairing ditches, removing blockages from watercourses and removing waste from the work area. The contractor must provide 24-hour receipt of failure reports and maintain water flow during snowmelt and heavy rainfall. Offers must be submitted electronically by 3 September 2026 at 10:00. The evaluation uses price (60%), manager experience (20%) and rates for work outside the lump sum (20%). A 3% performance security is required; bid security is not required.