Design of the strengthening of Büschdorf Tunnel

Summary

The tender concerns planning services for the temporary strengthening of Büschdorf Tunnel so that it can be used as a construction-site access route for motor vehicles, including 40-ton articulated lorries, while railway operations continue. The mandatory scope covers HOAI 2021 service phases 1–3: basic evaluation, preliminary planning and design planning, together with coordination with Finsterwalder, Deutsche Bahn and the contracting authority. Service phases 4–8, including approval planning, detailed design, tender preparation, tender support and construction supervision, may be commissioned optionally in stages. The successful bidder must start within 2 weeks of award and complete phases 1–3 within 3 months. The tender must be submitted in German by 14 October 2026 at 11:00. Evaluation is based on price (45%) and the concept (55%).