B 463, First retrofit of the Eisberg and Wolfsberg tunnels in Nagold

Summary

The tender concerns the first retrofit of the Eisberg and Wolfsberg tunnels on the B 463 road in Nagold. The works include tunnel lighting, traffic management and safety systems, power supply, cabling, ventilation, automation, control systems, construction and painting works, and commissioning of the equipment. The documents also provide for maintenance during years 1 to 5. The submission deadline is 29 September 2026. Participation requires, among other things, minimum annual total turnover of EUR 5,000,000, references for comparable construction works, the required workforce and qualifications, and the required declarations and evidence.