Drainage system rehabilitation at Ratsgymnasium

Summary

The tender concerns the trenchless rehabilitation of the existing drainage system at Ratsgymnasium in Münster. The works include full-length lining of 7 pipe sections in DN 100–200, installation of five short liners, robotic milling, high-pressure cleaning, sewer camera inspections, reopening of connections and digital documentation. The works are planned for the North Rhine-Westphalia autumn school holidays in October 2026 and may be carried out while the school remains operational. The bidder must submit an electronic tender by 25 September 2026 at 07:30. The contract is not divided into lots, variant tenders are not permitted and price is the only award criterion.