Sewer rehabilitation using lining – City of Burgdorf

Summary

The tender covers the rehabilitation of 13 sewer sections in Burgdorf using lining technology: 4 DN200 sections with a total length of 169 m, 6 DN250 sections with a total length of 271 m, 1 DN200 section measuring 51 m, and 2 DN900/600 egg-profile sections with a total length of 126 m. The works include sewer flushing, preparatory works such as root and joint-offset milling, liner installation, pumping around the work area, follow-up works, material and watertightness testing, and CCTV inspection. The works must be carried out from 2 January 2027 to 30 June 2027. Tenders must be submitted electronically through the e-tendering portal in German by 13 October 2026 at 08:45. Price is the only award criterion. Bidders must meet the suitability requirements, provide the required sewer construction quality mark, and submit the priced bill of quantities in the required electronic format.