Engineering design of structures for the rehabilitation of Main Collector 1.0

Summary

The tender concerns engineering design services for the rehabilitation of Main Collector 1.0. The work covers design for an approximately 1.6 km section of the wastewater system’s main collector in Quierschied, under § 43 HOAI and across service phases 1–9. The planned works include pipe rehabilitation using a liner, replacement by both open-cut and trenchless methods, and local repairs. The machine-readable notice does not provide precise participation or technical requirements; these must be checked in the tender documents. The submission deadline is 30 October 2026.