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
High quality and in time: four cooling water pipelines in pipe jacking drive for a new coal-fired power plant in Wilhelmshaven.
Rehabilitation of the water reservoir ensures the flood protection in the Isar valley. The construction section comprises the construction of the seepage water tunnel as well as the access structures at both ends of the tunnel.
1,700 m above sea level: In the Linthal Project 2015 the inclined tunnel with an incline of 24 % compensates an altitude difference of 900 m in the high mountains of Switzerland.