Ahr River Restoration, Subproject ALT380 Hönningen-Liers, Construction Section 03, Liers Built-up Area

Summary

The tender concerns the partial widening and ecological restoration of the Ahr riverbed and its bank areas in Liers, within the Hönningen municipality. The works cover approximately 700 metres and include removal of topsoil and soil layers, earthworks and water engineering works, construction of access tracks, separate storage and analysis of excavated material, transport for recovery or disposal, documentation, bank profiling and partial installation of slope or bank stabilisation. An explosive-ordnance specialist must be involved as a construction subcontractor. The submission deadline is 14 October 2026. Precise qualification, compliance and technical requirements must be checked in the official tender documents.