Inspection, maintenance, cleaning and repair of separators and sedimentation tanks in Łomża’s municipal stormwater drainage system

Summary

The tender covers the inspection, maintenance, repair and cleaning of separators and sedimentation tanks in Łomża’s municipal stormwater drainage system, together with the collection and treatment of hazardous waste. Within three months of signing the contract, the contractor must inspect all listed devices, prepare inspection records and complete the building maintenance logbooks. The work also includes cleaning 27 oil-separator units and 13 sedimentation tanks located upstream of them. The bidder must demonstrate at least two relevant services completed during the last 3 years, each worth at least PLN 100,000. Price is the only award criterion, and the bid must be submitted electronically by 9:30 on 18 September 2026.