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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
Fv 48 Tunnel behind Tysse
Tysse, Norway
Construction volume (value of our services):
25,7 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…
E39 Eiganestunnelen
Jølster, Norway
Construction volume (value of our services):
175 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…
Kvarnholmsförbindelsen
Stockholm, Sweden
Construction volume (value of our services):
29,9 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.
4th tube Elbe tunnel
Hamburg, Germany
Start of construction:
January 1995
Construction volume (value of our services):
287 M EUR
Costs converted according to average yearly exchange rates during project realization
A fourth tube was added to the Elbe tunnel in Hamburg due to the increased volume of traffic.
CERN LHC, Los 1
Genf, Switzerland
Start of construction:
January 1998
Construction volume (value of our services):
68,5 M EUR
Costs converted according to average yearly exchange rates during project realization
Construction contract for CERN, the European Organization for Nuclear Research (Conseil Européen pour la Recherche Nucléaire). CERN is one of the largest and most renowned centers for basic research in physics in the world.…
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.
Lötschberg Basistunnel
Niedergesteln, Switzerland
Start of construction:
October 2002
Construction volume (value of our services):
515 M EUR
Costs converted according to average yearly exchange rates during project realization
The Lötschberg base line runs from Frutigen to Raron. In the north, it includes the connection to the BLS line and the Frutigen bypass with the Engstligen tunnel, the Lötschberg base tunnel and, in the south, the Rhone crossing…
Wientalsammelkanal
Vienna, Austria
Start of construction:
January 2003
Construction volume (value of our services):
40,7 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):
257 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):
602 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…
Fréjus tunnel safety gallery
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)…
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…
U5 Berlin
Berlin, Germany
Start of construction:
January 2012
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):
59,9 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):
22 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):
72,3 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…
E6 Vinstra - Sjoa
Vinstra, Norway
Start of construction:
February 2014
Construction volume (value of our services):
176 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):
67 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…
SBB Bözbergtunnel
Strihen, Switzerland
Start of construction:
May 2015
Construction volume (value of our services):
134 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):
148 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. …
Albvorlandtunnel
Wendlingen am Neckar, Germany
Start of construction:
January 2016
Construction volume (value of our services):
675 M EUR
The new railway link (NBS) Wendlingen-Ulm together with Stuttgart 21 significantly improves the infrastructure of Baden-Württemberg and thus creates shortened travel and transport times not only in Baden-Württemberg but also…
E134 Myntbrua–Trollerudmoen
Kongsberg, Norway
Start of construction:
May 2016
Construction volume (value of our services):
103 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. …
Sanierung Abwasseranlagen Breitenrain
Bern, Switzerland
Start of construction:
May 2016
Construction volume (value of our services):
12,6 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.
Rv. 36 Skyggestein–Skjelbredstrand
Skien, Telemark, Norway
Start of construction:
January 2017
Construction volume (value of our services):
33,9 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.
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…
RBS Los 1.2 Postparc – Ausbau Bahnhof Bern
Bern, Switzerland
Start of construction:
August 2018
Construction volume (value of our services):
12,4 M EUR
Costs converted according to average yearly exchange rates during project realization
Sub-project involving the expansion of Bern train station
Fv. 6312 Berfjorden
Roan, Norway
Start of construction:
February 2019
Construction volume (value of our services):
22 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…
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.