B14 Construction Sections 1.2 and 2.1 – Tunnel Complex

Summary

The tender covers extensive road and tunnel construction works for new B14 construction sections 1.2 and 2.1, including the Waldrems and Maubach tunnels, roads, drainage, support structures, traffic management and utility networks. Works must start no later than 11 January 2027 and be completed by 30 December 2030. The bidder must submit a compliant tender, demonstrate the required technical capability, appoint a qualified health and safety coordinator, and account for strict requirements concerning temporary traffic arrangements, ground conditions, anchors, piles, concrete, asphalt and price adjustments. Performance security is 5% and defects security is 3%.