Partial trenchless sewer rehabilitation 2026

Summary

The tender concerns partial trenchless sewer rehabilitation to be carried out in 2026. The bidder must submit an electronically signed tender, or a tender in the permitted text format, no later than 2 October 2026 at 09:45. The tender must include the tender letter, a completed and priced bill of quantities, the RAL quality mark issued by the sewer construction quality association “Güteschutz Kanalbau”, and DIBt approval. The contract will be awarded on the basis of the most economically advantageous tender. The bidder must also comply with the special conditions on quality assurance for trenchless sewer rehabilitation, tariff compliance and minimum employment conditions.