Upgrading of the Fossenbratte tunnel

Summary

The tender concerns the upgrading of the Fossenbratte tunnel in accordance with the County Road Tunnel Safety Regulations. The works mainly include replacing and modernising electrical and technical control installations, building a new technical facility in the open air, installing a new drainage and surface water system, and adding new railings in the tunnel and in the open-air zone. The completed tunnel must meet the specified lane width, sign height and shoulder requirements. The tender documents should be checked for the exact technical and participation requirements.