Media release,
Tunnelling
Implenia wins major order for A7 Altona Tunnel in Hamburg
the current A7 expansion projects north and south of the Elbtunnel. The top of the 2,230-metre Altona noise protection tunnel will be covered with allotments, greenery and parks, which will also serve to reconnect the two neighbouring districts of Othmarschen and Bahrenfeld. The eight-year project is scheduled [...] Engineering at Implenia: “We were able to identify numerous optimisation opportunities during the tendering process, which began in November 2019. This allowed us, among other things, to bring forward parts of the detailed design work and systematically incorporate the results of more than 30 coordination[...]