Great Dixence | CCD Switzerland
Completed in
1998
Client
EOS (L'Energie de l'Ouest-Suisse)
Railway to Jerusalem – Line C | Israel
Completed in
2014
Client
Joint Venture Shapir-Pizzarotti
Mavi Tunnel | Turkey
Excavation diameter
4.88 m
Tunnel length
17,061 m
Geology
Limestone, Sandstone, Clay and choke
Media Type
Prefabricated ashlars
Completed in
2009
Client
ILCI
Suruc Tunnel | Turkey
Excavation diameter
7.80 m
Tunnel length
17,000 m
Geology
Limestone
Media Type
Prefabricated ashlars
Completed in
2013
Client
ILCI
Nosud Tunnel | Iran
Excavation diameter
6.12 m
Tunnel length
9,000 m
Geology
Limestone, Dolomitic Limestone
Media Type
Prefabricated ashlars
Completed in
2013
Client
JTMA
Piceno | Italy
Excavation diameter
4.04 m
Tunnel length
5,375 m
Geology
Sandstone and Marl
Media Type
Prefabricated ashlars
Completed in
2002
Client
Consorzio Idrico Intercomunale del Piceno
| Island Italy
Excavation diameter
3.50 m
Tunnel length
6,200 m
Geology
Marl and sandstone
Media Type
NATM
Completed in
1986
Client
Romagna Waters S.p.A.
Dogwood | Italy
Excavation diameter
3.50 m
Tunnel length
5,350 m
Geology
Marl and sandstone
Media Type
NATM
Completed in
1986
Client
Romagna Waters S.p.A.
SSDS 1999 | Hong Kong
Excavation diameter
4.23 m
Tunnel length
5,300 m
Geology
Granite
Media Type
NATM
Completed in
1999
Client
Government of Hong Kong
SSDS 2002 | Hong Kong
Excavation diameter
3.20 m
Tunnel length
4,500 m
Geology
Granite
Media Type
NATM
Completed in
2002
Client
Government of Hong Kong
Umiray Angat | Filipino
Excavation diameter
4.88 m
Tunnel length
13,000 m
Geology
Conglomerate, basalt
Media Type
Prefabricated ashlars
Completed in
2000
Client
Metrop. Waterworks Sewerage Syst.
Tolo Harbour | Hong Kong
Excavation diameter
3.56 m
Tunnel length
7,450 m
Geology
Granite
Media Type
Prefabricated ashlars
Completed in
1992
Client
Government of Hong Kong
Silvermine Bay | Hong Kong
Excavation diameter
3.50 m
Tunnel length
7,000 m
Geology
Granite and tuff
Media Type
NATM
Completed in
1996
Client
Government of Hong Kong
Whanjazhai Yellow River Diversion | China
Excavation diameter
4.85 m
Tunnel length
86,800 m
Geology
Limestone-Sandstone
Media Type
Prefabricated ashlars
Completed in
2001
Client
Wan Long Joint Venture / CMC / Impregilo
Yindaruqin | China
Excavation diameter
5.56 m
Tunnel length
17,050 m
Geology
Conglomerates and limestones
Media Type
Prefabricated ashlars
Completed in
1992
Client
Water Resources Bureau of Ganzu
Yellow River tunnel | China
Excavation diameter
6.12 m
Tunnel length
21,000 m
Geology
Limestones-Dolomie-Loess
Media Type
Prefabricated ashlars
Completed in
1995
Client
Shanxi Province
Evinos – Mornos | Greece
Excavation diameter
4.0-4.2 m
Tunnel length
29,033 m
Geology
Clay and limestone
Media Type
NATM
Completed in
1994
Client
Ministry of Public Works
Talave | Spain
Excavation diameter
4.04 m
Tunnel length
7,208 m
Geology
Sandstone, Clay
Media Type
Prefabricated ashlars
Completed in
2007
Client
Dragados S.A.
Sant Just | Spain
Excavation diameter
5.98 m
Tunnel length
5,316 m
Geology
Shale, Porphyry, Cornubian, Granodiorite
Media Type
Prefabricated ashlars
Completed in
2009
Client
UTE FCC – COPISA
Daule Esperanza | Ecuador
Excavation diameter
4.88 m
Tunnel length
8,300 m
Geology
Marl and sandstone
Media Type
Prefabricated ashlars
Completed in
1999
Client
Dragados Y Construcciones S.A.
Navarre | Spain
Excavation diameter
5.84 m
Tunnel length
9,850 m
Geology
Sandstone-Marne
Media Type
Prefabricated ashlars
Completed in
2003
Client
Dreagaos S.A.
Mercury | New Zealand
Excavation diameter
3.56 m
Tunnel length
6,450 m
Geology
Sandstone-siltite
Media Type
Prefabricated ashlars
Completed in
1999
Client
Mercury Energy LTD
Rosales | Colombia
Excavation diameter
3.56 m
Tunnel length
9,000 m
Geology
Sandstone, siltite and clay
Media Type
Prefabricated ashlars
Completed in
1990
Client
And.A.A.B.
Brasimone | Italy
Excavation diameter
6.40 m
Tunnel length
4,800 m
Geology
Marl-sandstone-shale clay
Media Type
Prefabricated ashlars
Completed in
1975
Client
ENEL – Italian Power Corporation
Orichella Timpagarande | Italy
Excavation diameter
4.32 m
Tunnel length
4,100 m
Geology
Granite
Media Type
Prefabricated ashlars
Completed in
1975
Client
ENEL – Italian Power Corporation
Tunjita | Colombia
Excavation diameter
4.30 m
Tunnel length
8,500 m
Geology
Sandstone and quartzite
Media Type
NATM
Completed in
1985
Client
The.Yes, it is not the first timeA.
Chivor | Colombia
Excavation diameter
4.30 m
Tunnel length
7,600 m
Geology
Clays and siltites
Media Type
Prefabricated ashlars
Completed in
1985
Client
The.Yes, it is not the first timeA.
Paute C | Ecuador
Excavation diameter
7.80 m
Tunnel length
6,200 m
Geology
Granodiorite
Media Type
NATM
Completed in
1991
Client
The.N.And.C.And.L.
St. Francisco | Ecuador
Excavation diameter
7.00 m
Tunnel length
9,400 m
Geology
Granite, Gneiss and Shale
Media Type
Prefabricated + supports
Completed in
2006
Client
Odebrecht Servicos No Exterior Limitada
Gilgel Gibe Hreadrace Tunnel | Ethiopia
Excavation diameter
7.00 m
Tunnel length
26,000 m
Geology
Basalt
Media Type
Prefabricated ashlars
Completed in
2009
Client
Salini S.p.A.
Dai Ninh | Viet Nam
Excavation diameter
5.48 m
Tunnel length
7,800 m
Geology
Sandstone, andesite, dacites, rhyolites
Media Type
Prefabricated ashlars
Completed in
2006
Client
Kajima Kumagai Song By JV
La Joya | Costa Rica
Excavation diameter
6.18 m
Tunnel length
7,850 m
Geology
Lahar, andesiti and tuffs
Media Type
Prefabricated ashlars
Completed in
2006
Client
Union Fenosa International S.A.
Mohale Tunnel | Leshoto
Excavation diameter
4.88 m
Tunnel length
15,000 m
Geology
Basalt
Media Type
Prefabricated ashlars
Completed in
2001
Client
Mohale Matsoku Contractors (MMC)
Passirio | Italy
Excavation diameter
3.70 m
Tunnel length
5,715 m
Geology
Gneiss, MicaScisti
Media Type
Prefabricated ashlars
Completed in
2008
Client
Enerpass AG
Varzo | Italy
Excavation diameter
4.04 m
Tunnel length
4,700 m
Geology
Gneis Car Hire
Media Type
Prefabricated ashlars
Completed in
2000
Client
Pizzarotti S.p.A.
Vergonte parish | Italy
Excavation diameter
4.04 m
Tunnel length
10,000 m
Geology
Micaschists and granodiorite
Media Type
Prefabricated ashlars
Completed in
2000
Client
ENEL – Italian Power Corporation
Viola | Valley Italy
Excavation diameter
3.70 m
Tunnel length
18,800 m
Geology
Filladi Hotels
Media Type
Prefabricated ashlars
Completed in
2004
Client
A.And.M. Milan
Plave Doblar | Slovenia
Excavation diameter
6.98 m
Tunnel length
5,929 m
Geology
Limestone
Media Type
Prefabricated ashlars
Completed in
2000
Client
Seng – Soske Elektrarne Nova Gorica, d.o.o.
Los Condores | Chile
Excavation diameter
4.56 m
Tunnel length
11,000 m
Geology
Vulik rocks, Andesite, and Tuff
Media Type
Prefabricated ashlars
Completed in
2021
Client
ENEL Chile
Mount Giglio | Italy
Excavation diameter
4.88 m
Tunnel length
8,509 m
Geology
Sandstone, Marl and Limestone
Media Type
Prefabricated ashlars
Completed in
2005
Client
Italcementi S.p.A.
Parbati | India
Excavation diameter
4.88 m
Tunnel length
3,600 m
Geology
Chloritic quartz and shale
Media Type
Prefabricated ashlars
Completed in
2007
Client
Gammon India
Great Dixence | CCD Switzerland
Completed in
1998
Client
EOS (L'Energie de l'Ouest-Suisse)
Turin Metro Lots 3, 4 and 5 | Italy
Excavation diameter
7.77-7.77-8.03 m
Tunnel length
2,835-2,358-2,543 m
Geology
Sands and gravels in fluvio-glacial deposits
Media Type
Prefabricated ashlars
Completed in
2003-2005-2006
Client
INFRATO ex GTT
Metro Porto | Portugal
Excavation diameter
8.71 m
Tunnel length
5,600 m
Geology
Granite
Media Type
Prefabricated ashlars
Completed in
2002
Client
Ace Transmeter
Tehran Metro Line 7- South North | Iran
Excavation diameter
9.16 m
Tunnel length
14,000 m
Geology
Clay and gravel sand
Media Type
Prefabricated ashlars
Completed in
2014
Client
Sepanir
Attiko Metro Line 3 | Greece
Excavation diameter
9.44 m
Tunnel length
3,340 m
Geology
Silt, clay and shale of Athens
Media Type
Prefabricated ashlars
Completed in
2004
Client
Attiko Metro LTD.
Rome Metro Line B1- Bologna – Conca D'Oro | Italy
Excavation diameter
6.79 m
Tunnel length
6,676 m
Geology
Clay, sandy clay, conglomerate
Media Type
Prefabricated ashlars
Completed in
2010
Client
METRO B1 S.c.a.r.l.
Rome Metro Line B1 – Conca D'Oro-Ionio | Italy
Excavation diameter
9.79 m
Tunnel length
1,100 m
Geology
Clay, sandy clay, conglomerate
Media Type
Prefabricated ashlars
Completed in
2011
Client
METRO B1 S.c.a.r.l.
Metro S. Paolo Line 4 | Brazil
Excavation diameter
9.50 m
Tunnel length
6,464 m
Geology
Clay, sandy clay, sand
Media Type
Prefabricated ashlars
Completed in
2009
Client
Consorcio Go Amarela
Settingian | Italy
Excavation diameter
8.70 m
Tunnel length
2,450 m
Geology
Clay, marl
Media Type
Prefabricated ashlars
Completed in
2007
Client
ITALFERR S.p.A.
Monte Zucco | Italy
Excavation diameter
8.03 m
Tunnel length
2,710 m
Geology
Limestone
Media Type
Prefabricated ashlars
Completed in
2003
Client
Ferrovie dello Stato S.p.A.
Pajares | Spain
Excavation diameter
9.88 m
Tunnel length
10,248 m
Geology
Sandstone, Quartzite, Shale
Media Type
Prefabricated ashlars
Completed in
2009
Client
UTE Pajares IV
Sochi Olympic Games – Railway Tunnel | Russia
Excavation diameter
10.00 m
Tunnel length
4,651 m
Geology
Sandstone, siltite, conglomerate, Basalt
Media Type
Prefabricated ashlars
Completed in
2010
Client
OAO BAMTONELSTROY
Brennero – Aica Mules Service Tunnel | Italy
Excavation diameter
6.30 m
Tunnel length
10,258 m
Geology
Granite
Media Type
Prefabricated ashlars
Completed in
2011
Client
BBT – Brenner Base Tunnel
Railway to Jerusalem – Line C | Israel
Completed in
2014
Client
Joint Venture Shapir-Pizzarotti
S. Pellegrino pilot tunel | Italy
Excavation diameter
3.90 m
Tunnel length
2,100 m
Geology
Limestone
Media Type
NATM & Prefabricated
Completed in
1996
Client
A.N.A.S. – English National Roads Company
S. Pellegrino road tunnel | Italy
Excavation diameter
11.81 m
Tunnel length
2,200 m
Geology
Limestone
Media Type
Prefabricated ashlars
Completed in
1998
Client
A.N.A.S. – English National Roads Company