Fossenbratte tunnel upgrading works

Summary

The tender concerns the upgrading of the Fossenbratte tunnel on county road 49 in Samnanger municipality, in line 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 inside the tunnel and in the open-air zone. The completed tunnel must meet the specified lane width, clearance height and shoulder requirements. The tender documents are based on a model design with supplementary drawings.