Ahr River Channel Restoration, Subproject BNA230 Walporzheim: Construction Sections 05–07 – Main Excavation

Summary

The tender concerns the partial widening and ecological improvement of the Ahr river channel in Bad Neuenahr-Ahrweiler, including the main excavation in subproject BNA230 Walporzheim. The works include removing topsoil and vegetation, excavating banks and floodplain areas in layers, removing obstacles where necessary, constructing access tracks, maintaining material and soil storage areas, separating and temporarily storing excavated material, profiling the banks, and partially installing slope or bank protection. The submission deadline is 16 September 2026. Precise exclusion, qualification and compliance requirements were not provided in the machine-readable notice and must be checked in the official tender documents.