Tunnelling construction projects and references

References for tunnel construction


References

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E39 Eiganestunnelen

Jølster, Norway


Construction volume (value of our services): 177,868 M EUR Costs converted according to average yearly exchange rates during project realization

The E39 Eiganes tunnel (Lot E04) is part of the coastal main road between Kristiansand and Trondheim and is built in conjunction with rv.13 Ryfast which connects the municipal districts of Strand and Stavanger. This urban road…

Fv 48 Tunnel behind Tysse

Tysse, Norway


Construction volume (value of our services): 26,151 M EUR Costs converted according to average yearly exchange rates during project realization

Implenia has constructed a new tunnel from Sætrevika to Tysseelva. The aim of the project was to relieve the centre of Tysse of through-traffic on FV 48 and to improve the poor road standard on this stretch. Implenia has…

Kvarnholmsförbindelsen

Stockholm, Sweden


Construction volume (value of our services): 29,864 M EUR

Kvarnholmen is an island in the Stockholm Archipelago that was used industrially. The former industrial area has now been developed into a vibrant urban environment.

Taiwan High Speed Railway

Changhua, 石牌里, Taiwan

Start of construction: May 2000
Construction volume (value of our services): 166 M EUR

Lot 6 (C 260) is 36.60 km long and includes seven tunnels with a total length of 9,245 m. The 7,276 m long Paghuashan Tunnel is the longest of tunnels. The lengths of the two northern and four southern shorter tunnels range…

Bodio & Faido sections, Alptransit Gotthard Base Tunnel

Bodio - Faido, Switzerland

Start of construction: January 2001
Construction volume (value of our services): 1,996 B EUR Costs converted according to average yearly exchange rates during project realization

Construction of two parallel single-track railway tunnels with a Gripper TBM and of a multi-function station using blasting

Sedrun tunnel, lot 360, AlpTransit, Gotthard Base Tunnel

Sedrun, Switzerland

Start of construction: December 2001
Construction volume (value of our services): 1,061 B EUR Costs converted according to average yearly exchange rates during project realization

Construction of two parallel single-track railway tunnels using blasting, and construction of a multi-function station.

Wientalsammelkanal

Vienna, Austria

Start of construction: January 2003
Construction volume (value of our services): 40,749 M EUR Costs converted according to average yearly exchange rates during project realization

To maintain water quality and to protect the Vienna River from canalisation, the City of Vienna began constructing the Vienna Valley Sewer (known as the Wiental-sammelkanal or WSKE) in May 2003. This is one of several projects…

Wienerwald-Tunnel

Westportal Wienerwaldtunnel, Austria

Start of construction: December 2003
Construction volume (value of our services): 341 M EUR

The Wienerwald Tunnel is an integral part of the new high speed railway line between Vienna and St. Pölten.

Métro Lausanne, M2 Lot 1700

Lausanne, Switzerland

Start of construction: March 2004
Construction volume (value of our services): 33 M EUR

Ouchy-Epalinges metro line via the Central Station and Place de l'Europe. Total length: 6 km, 14 stops, 9 tunnels and 5 bridges.

Malmö Citytunnel Lot E201

Malmö, Sweden

Start of construction: December 2004
Construction volume (value of our services): 325 M EUR

The Citytunnel Malmö is part of the in total 17 km long railway infrastructure project to improve connections of the Swedish railway network across the Öresund Bridge to Denmark and the European high speed railway network. …

East Side Combined Sewer Overflow ESCSO

Portland, United States

Start of construction: May 2005
Construction volume (value of our services): 349 M EUR

As the largest of all Portland’s projects to reduce overflows into the Willamette River, the East Side Combined Sewer Overflow tunnel is designed to significantly reduce sewage and storm water overflows. To reduce risk exposure…

Tunnel Clem Jones (CLEM 7) NSBT

Brisbane, Australia

Start of construction: December 2005
Construction volume (value of our services): 1,167 B EUR

The Clem Jones Tunnel (also known as North South Bypass Tunnel) is part of the Brisbane City Council’s vision to meet the existing and future transport needs of Brisbane. The project connects the north-south traffic below…

Wehrhahn line, lot 1

City of Düsseldorf, Germany

Start of construction: December 2006
Construction volume (value of our services): 455 M EUR

In order to improve the local public transportation system, the state capital of Duesseldorf has made the decision to expand the so-called core section of the Wehrhahn Line as an underground city railway line, replacing 5…

Weinbergtunnel DML SBB Zürich ATW

Zürich, Switzerland

Start of construction: January 2007
Construction volume (value of our services): 256,744 M EUR Costs converted according to average yearly exchange rates during project realization

Construction of a two-track railway tunnel with a TBM.

Norra Länken 12 och 22

Stockholm, Sweden

Start of construction: December 2007
Construction volume (value of our services): 165 M EUR

The design was carried out by Technisches Büro, Implenia's, then Bilfinger's, in-house Structural Design department.

Pumpspeicherkraftwerk Nant de Drance

Finhaut VS (Le Châtelard), Switzerland

Start of construction: January 2008
Construction volume (value of our services): 601,596 M EUR Costs converted according to average yearly exchange rates during project realization

Construction of an underground pumped-storage power station.

Citybanan Project Odenplan and Vasatunnel

Stockholm, Sweden

Start of construction: December 2008
Construction volume (value of our services): 147 M EUR

The Citybanan connects the northern and the southern part of Stockholm subterranean with two additional rail tracks and doubles the capacity of the rail connection which exists since 1871. The wider area of Stockholm increases by…

European XFEL Röntgenlaserprojekt

Hamburg, Germany

Start of construction: January 2009
Construction volume (value of our services): 206 M EUR

The European XFEL (X-Ray Free Electron Laser) project brings a new research facility to Hamburg.

Tunnel Silberberg

Großbreitenbach, Germany

Start of construction: January 2009
Construction volume (value of our services): 222 M EUR

The New Railway Line of the German Railway System from Ebensfeld to Erfurt is part of the “Deutsche Einheit” Track No. 8 expansion and new railway project that runs from Nuremberg to Berlin. It is the connecting link between the…

Galerie de sécurité du tunnel du Fréjus

Fréjus, France

Start of construction: January 2009
Construction volume (value of our services): 128 M EUR

Following the fire of the Mont Blanc Tunnel in 1999, substantial changes were made to the regulations which resulted in the Fréjus Tunnel being brought into compliance. The Société Française du Tunnel Routier du Fréjus (SFTRF)…

U5, Berlin

Berlin, Germany

Start of construction: December 2011
Construction volume (value of our services): 159 M EUR

Construction of 1.6-kilometre-long double-tube tunnel and shell construction of two stations in central Berlin

Brokke Nord

Bykle, Setesdal, Norway

Start of construction: May 2012
Construction volume (value of our services): 59,912 M EUR Costs converted according to average yearly exchange rates during project realization

The project involved the shell works for the Brokke North power plant and included the construction of a new transmission tunnel, the construction of the Sarvoss dam and the Skarg power plant.

Funicular railway Schwyz-Stoos

Schwyz, Switzerland

Start of construction: May 2013
Construction volume (value of our services): 21,955 M EUR Costs converted according to average yearly exchange rates during project realization

The existing funicular on the Stoos will be replaced by a new construction (the concession of the existing funicular is expiring and cannot be extended) with new lines. The type of cableway to be used is a funicular in shuttle…

UFP-08 Eidanger

Porsgrunn, Norway

Start of construction: September 2013
Construction volume (value of our services): 72,332 M EUR Costs converted according to average yearly exchange rates during project realization

Das Projekt UFP-08 Eidanger ist Teil der neuen Eisenbahnstrecke zwischen Larvik und Porsgrunn, die in der Zuteilung der "Vestfold Line, Farriseidet - Porsgrunn" enthalten ist. Der Abschnitt wird zweigleisig für eine…

Semmering Basistunnel SBT Los 2.1

Steiermark, Austria

Start of construction: January 2014
Construction volume (value of our services): 623 M EUR

The planned Semmering Base Tunnel (SBT) is currently one of the most important large-scale infrastructure projects in the heart of Europe, and forms part of the new Austrian southern railway, a central axis on the trans-European…

E6 Vinstra - Sjoa

Vinstra, Norway

Start of construction: February 2014
Construction volume (value of our services): 176,215 M EUR Costs converted according to average yearly exchange rates during project realization

E6 Vinstra-Sjoa is part of Frya-Sjoa, which has been one of the biggest road developments in Norway in recent years. The contract was noted as the part of the "Plant of the Year" in 2016.

Lysebotn II Kraftverk

Lysebotn, Norway

Start of construction: May 2014
Construction volume (value of our services): 66,96 M EUR Costs converted according to average yearly exchange rates during project realization

Lysebotn power plant is the main power plant of the Lyse Group and was opened in 1953 with a capacity of 210 mW. The development of Lysebotn II has provided a new output of 370 mW and was commissioned in 2018. The development…

E4 Förbifart, Johannelund Tunnel

Vällingby, Sweden

Start of construction: January 2015
Construction volume (value of our services): 254 M EUR

The bypass “Förbifart” Stockholm is a link between the north and south of the capital of Sweden and intends to relieve the traffic through the city. The 21 km long bypass motorway, of which approximately 17 km are underground in…

Semmering Basistunnel Los 1.1

Maria Schutz, Austria

Start of construction: January 2015
Construction volume (value of our services): 457 M EUR

The approximately 27.3 km long Semmering Basistunnel is one of the most important and complex infrastructure projects in the heart of Europe. This double-tube railway tunnel is located between Gloggnitz and Mürzzuschlag, linking…

SBB Bözbergtunnel

Strihen, Switzerland

Start of construction: May 2015
Construction volume (value of our services): 133,693 M EUR Costs converted according to average yearly exchange rates during project realization

The existing Bözberg tunnel between Frick and Brugg does not meet the new requirements for the clearance gauge (corner height 4.0 m) and will therefore be replaced by a new 4-metre corridor as part of the overall project. …

K11 Rådal – Nordås – Flyplassvegen

Bergen, Norway

Start of construction: September 2015
Construction volume (value of our services): 147,591 M EUR Costs converted according to average yearly exchange rates during project realization

E39 K11 Rådal - Nordås - The airport road is Implenia's largest road project in Norway and one of two main contracts on the E39 between Bergen and Os, which are part of the new standard road between Kristiansand and Trondheim. …

Extension of Métro Ligne 11, Lot GC01, Rosny-sous-Bois, Paris

Paris, France

Start of construction: December 2015
Construction volume (value of our services): 267 M EUR

The “Grand Paris Express” project aims to improve links between the French capital and the neighboring residential areas in the Greater Paris region (Île-de-France) by building a transport network of six driverless underground…

SGP – Ligne 15 sud, Lot T2C

Noisy-Champs, France

Start of construction: December 2015
Construction volume (value of our services): 365 M EUR

The Grand Paris Express project aims to better connect the French capital and neighbouring residential areas in the Paris region by building a six-line driverless metro system by 2030. The project will require 210 kilometres of…

Sanierung Abwasseranlagen Breitenrain

Bern, Switzerland

Start of construction: May 2016
Construction volume (value of our services): 12,615 M EUR Costs converted according to average yearly exchange rates during project realization

The sewer systems in Viktoriastrasse and Moserstrasse in Bern have reached their age and are being replaced.

E134 Myntbrua–Trollerudmoen

Kongsberg, Norway

Start of construction: May 2016
Construction volume (value of our services): 102,908 M EUR Costs converted according to average yearly exchange rates during project realization

Implenia builds the new E134 through Kongsberg in Buskerud. The contract is one of three main contracts on E134 between Damåsen and Saggrenda. One of the challenges for the project is areas with very little overburden. …

Extension of Métro Ligne 15 South, Lot T2C, Paris

Paris, France

Start of construction: December 2016
Construction volume (value of our services): 365 M EUR

The “Grand Paris Express” project aims to improve links between the French capital and neighboring residential areas in the Greater Paris region (Île-de-France) by building a transport network of six driverless underground…

Rv. 36 Skyggestein–Skjelbredstrand

Skien, Telemark, Norway

Start of construction: January 2017
Construction volume (value of our services): 33,888 M EUR Costs converted according to average yearly exchange rates during project realization

Rv. 36 Skyggestein - Skjelbredstrand is part of Bypakke Grenland Phase 1. The project is the largest single project in Bypakke Grenland together with fv. 32 Gimlevegen - Augestadvegen.

Getingmidjan

Stockholm, Sweden

Start of construction: April 2017
Construction volume (value of our services): 88 M EUR

Complex project in the heart of Stockholm.

Tubbing factory – Limoges Fourches

Limoges-Fourches, France

Start of construction: December 2017
Construction volume (value of our services): 105 M EUR

Implenia France, within the ALLIANCE group, has developed a specific production tool for segments (tunnel lining) for the needs of Grand Paris.

Extension of Metro B – Hopitaux Lyon Sud – GC01

LYON, France

Start of construction: December 2017
Construction volume (value of our services): 138 M EUR

In order to serve the city center of Oullins, the university-hospital hub of Lyon Sud, to create a multimodal exchange center and globally to intensify the development of the "valley of hospitals", SYTRAL has decided to extend…

Åseral Nord

Åseral, Norway

Start of construction: January 2018
Construction volume (value of our services): 59,5 M EUR Costs converted according to average yearly exchange rates during project realization

Åseral North is located in the upper part of the Mandalsvassdraget in West Agder, existing facilities were built in the 1950s. In this undertaking, the Langevatn Dam was replaced by a new stone infill dam, which constitutes 10…

Rönnskär - Endlager

Skellefteå, Sweden

Start of construction: January 2018

Implenia Sweden is building a repository for process waste from Boliden's Rönnskär copper smelter in Skelleftehamn. Boliden has awarded Implenia the contract, which essentially consists of drilling and blasting a series of rock…

Slussen SN91

Stockholm, Sweden

Start of construction: January 2018
Construction volume (value of our services): 77 M EUR

Extensive rock and concrete work at Katarina Mountain

Line B of the Lyon Metro

Lyon, France

Start of construction: January 2018
Construction volume (value of our services): 394 M EUR

This project, with a length of approximately 2.5 km, will extend line B from Gare d'Oullins station to Hôpitaux Lyon Sud station and create two additional stations. The journey time between Oullins station and the Lyon Sud…

Varberg Tunneln FAS 2

Varberg, Sweden

Start of construction: June 2018
Construction volume (value of our services): 328 M EUR

Strategically important railway project in Varberg.

RBS Los 1.2 Postparc – Ausbau Bahnhof Bern

Bern, Switzerland

Start of construction: August 2018
Construction volume (value of our services): 12,414 M EUR Costs converted according to average yearly exchange rates during project realization

Sub-project involving the expansion of Bern train station

Citylink Anneberg-Skanstull Tunnel

Stockholm, Sweden

Start of construction: December 2018
Construction volume (value of our services): 90 M EUR

As the second of four phases of the so-called City Link Project, the Anneberg-Skanstull Tunnel serves to improve the power supply in the Greater Stockholm area. At a length of around 14 km and a diameter of 5 m, the tunnel is…

U-Bahn Linie 17.1 - Paris Grand Paris Express

Paris, France

Start of construction: January 2019
Construction volume (value of our services): 441 M EUR

With a length of 27 km, line 17 extends over 13 municipalities in the departments of Seine-Saint-Denis, Val-d'Oise and Seine-et-Marne. It connects nine stations between Saint-Denis Pleyel and Le Mesnil-Amelot in less than…

München Haltepunkt Marienhof

München, Germany

Start of construction: January 2019
Construction volume (value of our services): 394,7 M EUR

The major project 2nd S-Bahn main line Munich consists of the sub-projects "above-ground areas", "inner city area/tunnel" and "supplementary network measures" in the outer branches.

Fv. 6312 Berfjorden

Roan, Norway

Start of construction: February 2019
Construction volume (value of our services): 22,044 M EUR Costs converted according to average yearly exchange rates during project realization

Existing Fv. 6312 was curved, narrow and heavily skredutsatt. The route had poor accessibility and a traffic volume of 380 vehicles, 15% of which was heavy traffic. New route 6312 is a landslide protection project which included…

Sandbukta-Moss-Såstad (SMS2A)

Sandbukta, Moss, Såstad, Norway

Start of construction: June 2019
Construction volume (value of our services): 600,825 M EUR Costs converted according to average yearly exchange rates during project realization

The project New double track Sandbukta-Moss-Såstad (SMS2A) is part of the Intercity expansion, and is one of the parsellene in the direction of Halden (Østfoldbanens vestre line). On the line, 10.3 km of new double track will be…

380-kV-Kabeldiagonale, 50hertz

Berlin, Germany

Start of construction: August 2019
Construction volume (value of our services): 128 M EUR

Cable diagonal Berlin - Construction of a 6.7 km long cable tunnel with 4 shafts as supply / rescue shafts

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…

District heating tunnel – West (FWS-West) Southern Line

Hamburg, Germany

Start of construction: January 2021
Construction volume (value of our services): 76,309 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.

E39 Lyngdal Øst - Lyngdal Vest

Lyngdal, Norway

Start of construction: January 2021
Construction volume (value of our services): 277,136 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…

Secondo tubo San Gottardo - Lot 243, North access tunnel

Göschenen, Switzerland

Start of construction: April 2021
Construction volume (value of our services): 85,081 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…

K2A Tunnel og grunnarbeider Lysaker-Fornebu

Fornebu, Bærum, Norway

Start of construction: May 2021
Construction volume (value of our services): 117,786 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…

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…

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

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.

KS-2 Tangenvika jernbanebru

Stange, Innlande, Norway

Start of construction: May 2022
Construction volume (value of our services): 166,915 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…

Secondo tubo San Gottardo - Lot 241, Main Tunnel North

Göschenen, Switzerland

Start of construction: October 2022
Construction volume (value of our services): 457,005 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…

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…

K2D Skøyen – Vækerø

Oslo, Norway

Start of construction: March 2023
Construction volume (value of our services): 115,796 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…

Tunnel Ligerz, Lot 2

Ligerz, Switzerland

Start of construction: September 2024
Construction volume (value of our services): 235,015 M EUR Costs converted according to average yearly exchange rates during project realization

The project comprises the construction of the 2.1 km long twin-track tunnel in Ligerz. The total contract value is CHF 220 million, with Implenia's share amounting to around CHF 150 million.