Tunnelling construction projects and references

References for tunnel construction


References

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K2D Skøyen – Vækerø

Oslo, Norway

Start of construction: March 2023
Construction volume (value of our services): 115,643 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…

Secondo tubo San Gottardo - Lot 241, Main Tunnel North

Göschenen, Switzerland

Start of construction: October 2022
Construction volume (value of our services): 441,9 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): 169,117 M EUR Costs converted according to average yearly exchange rates during project realization

Bane NOR und Implenia haben einen Vertrag über den Bau einer Eisenbahnbrücke für eine zweigleisige Eisenbahnstrecke über Tangenvika in der Kommune Stange in der norwegischen Provinz Innlandet unterzeichnet. Der Vertrag, bei dem…

Brenner Basistunnel Los H41

Pfons, Austria

Start of construction: January 2022
Construction volume (value of our services): 651,037 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): 118,098 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): 84,893 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): 284,553 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…

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.

CERN - Galerie UA 53

Cessy, France

Start of construction: November 2019
Construction volume (value of our services): 280.000 EUR

All for science: CERN, the European Organisation for Nuclear Research (Conseil Européen pour la Recherche Nucléaire), is one of the largest and most renowned centres for basic physics research in the world. Here, researchers…