2 single-track railway tunnels
2 cut and cover tunnel sections
Railway sections in a cutting and on an embankment
Construction of sonic boom structures at all 4 tunnel portals in order to avoid the sonic boom effect
Part of new Erfurt-Leipzig-Halle railway line
Single-track railway tunnel
DB Netz AG [German rail company]
represented by DB Projekt Bau GmbH
Wayss & Freytag Ingenieurbau AG
as technical leader of a joint leader
December 2006 to September 2012
€ 270 million
47 km sewerage tunnel across the Ruhr area
Tunnel for a gas pipeline under Scruwaddacon Bay, Ireland was awarded the prize for best environmental initiative 2015 during the Tunnelling Awards at the International Tunelling Association.
The North-South link Antwerp is part of the Brussels-Amsterdam high-speed line. The project comprises the reconstruction of the existing accesses, the construction of a passage under the main station as well as the construction of two tunnel sections from „Astridplatz“ to „Damplatz“.