Tunnelling construction projects and references
References for tunnel construction
Get an idea of our work and take a look at our projects. Below you will find a selection of reference projects that we are currently realising or have realised in recent years.
References
E39 Rogfast, E02 Kvitsøy contract
Kvitsøy, Norway
Start of construction:
August 2024
Construction volume (value of our services):
438 M EUR
Costs converted according to average yearly exchange rates during project realization
The Joint Venture (JV) of Implenia and Stangeland Maskin (Implenia 77%, Stangeland Maskin 23%) has been awarded with a second contract for the Rogfast project by the Norwegian Public Roads Administration. The total contract value…
K2D Skøyen – Vækerø
Oslo, Norway
Start of construction:
March 2023
Construction volume (value of our services):
114 M EUR
Costs converted according to average yearly exchange rates during project realization
Implenia has been awarded the contract for section K2D Skøyen - Vækerø, which is part of the entire Fornebu line that will be completed in 2030. The contract is a continuation of an ongoing tunnel contract for the Fornebu line…
Metro Toulouse line C, Lot 3
Toulouse, France
Start of construction:
January 2023
Construction volume (value of our services):
332 M EUR
The third metro line, Line C, will connect Colomiers and Labège in 20 minutes. Faster journeys, less congestion and pollution: this will benefit the quality of life and the environment. Implenia - Demathieu Bard Construction has…
E03 Boknafjordtunnelen sør (Rogfast)
Stavanger, Norway
Start of construction:
January 2023
Construction volume (value of our services):
355 M EUR
Costs converted according to average yearly exchange rates during project realization
E03 - The southern part of the Boknafjord tunnel is part of the E39 Rogfast. A total of 26.7 km of underwater main tunnel will be constructed between Harestad and Laupeland in Stavanger.
Secondo tubo San Gottardo - Lot 241, Main Tunnel North
Göschenen, Switzerland
Start of construction:
October 2022
Construction volume (value of our services):
449 M EUR
Costs converted according to average yearly exchange rates during project realization
The present project includes the execution of the second tunnel tube north (2TG), the fault zone drive north, the second stage of the precut, the TBM launch section, the cross connections, the ventilation control centers and the…
KS-2 Tangenvika jernbanebru
Stange, Innlande, Norway
Start of construction:
May 2022
Construction volume (value of our services):
165 M EUR
Costs converted according to average yearly exchange rates during project realization
Bane NOR and Implenia Norway has entered a contract to construct a railway bridge with a double-track railway over Tangenvika in Stange Kommune. The contract, which is a turnkey contract for Tangenvika railway bridge, is the…
Brenner Basistunnel Los H41
Pfons, Austria
Start of construction:
January 2022
Construction volume (value of our services):
651 M EUR
The Brenner Base Tunnel is a flat railroad tunnel connecting Italy and Austria. It runs between Innsbruck and Franzensfeste over a length of 55 km.
Sofia
Stockholm, Sweden
Start of construction:
August 2021
Construction volume (value of our services):
120 M EUR
Sofia metro station is part of the extension of the blue line towards Gullmarsplan and Nacka
Franzensfeste-Waidbruck, Baulos 1, Brenner
Franzensfeste, Italy
Start of construction:
June 2021
Construction volume (value of our services):
1.071 B EUR
Construction lot 1 from Franzensfeste to Waidbuck will run almost entirely as a tunnel and reach a length of approx. 22.5 km. The challenging construction project includes the construction of two new rail tunnel sections as well…
K2A Tunnel og grunnarbeider Lysaker-Fornebu
Fornebu, Bærum, Norway
Start of construction:
May 2021
Construction volume (value of our services):
118 M EUR
Costs converted according to average yearly exchange rates during project realization
The Fornebubanen will establish a new t-train line between Majorstuen and Fornebu. The line will run 8 km in a tunnel under the hill. The line will start with a new station and base at Fornebu and extend to Majorstuen where the…
Secondo tubo San Gottardo - Lot 243, North access tunnel
Göschenen, Switzerland
Start of construction:
April 2021
Construction volume (value of our services):
85,1 M EUR
Costs converted according to average yearly exchange rates during project realization
To rehabilitate the existing Gotthard Road Tunnel, a second tunnel tube (2TG) will be built first. Lot 243 comprises the construction of the access tunnel and the north logistics excavations. The project serves for the…
E39 Lyngdal Øst - Lyngdal Vest
Lyngdal, Norway
Start of construction:
January 2021
Construction volume (value of our services):
275 M EUR
Costs converted according to average yearly exchange rates during project realization
E39 Lyngdal East - Lyngdal West stretches from Herdal to Røyskår for a total of 11 km. The project involves a longer road with several tunnels, bridges and complex infrastructure. The contract will be executed as a total contract…
District heating tunnel – West (FWS-West) Southern Line
Hamburg, Germany
Start of construction:
January 2021
Construction volume (value of our services):
75,6 M EUR
Costs converted according to average yearly exchange rates during project realization
Wärme Hamburg is a 100% municipal heat supplier and, with the "FWS-West project", intends to install a district heating line from the new CHP plant to be built at the Dradenau site through the Waltershof port area, in a new…
TELT, CO08 - Villard Clément
Lyon, France
Start of construction:
January 2021
Construction volume (value of our services):
248 M EUR
Construction of the base tunnel from the Villard Clément portal attacks.