A Hochtief Infrastructure and Franki Grundbau joint venture has been awarded the contract for the €154 million Tunnel Stellingen in Hamburg, Germany.
The noise protection structure is part of the extension of the A7 highway in Hamburg and Schleswig-Holstein. Tunnel Stellingen is approximately 1km long.
The project will comprise two cut-and-cover tunnel tubes with five lanes each and one emergency lane. The tunnel is one of three noise protection tunnels which will be built within the framework of the expansion project.
Hochtief had already achieved financial close for planning, financing, expanding, operating and maintaining the A7 section from Neumünster-Nord to Hamburg-Nordwest in August 2014. In addition, Hochtief is also building the Langenfeld bridge on the A7 in Hamburg-Stellingen.