Projects
The company is renowned for its ability to tackle challenging terrains and intricate projects, delivering pioneering solutions that enhance underground workplace safety through a rigorous technical approach.
SELI, with 75 years of experience, has consolidated unique expertise in geomechanical face characterization, risk management, and TBM (Tunnel Boring Machine) operations within extremely variable environments.
Today, SELI serves clients worldwide as a benchmark in the tunnelling industry, driven by an inherent DNA of innovation that continues to define its operations.
A World-Class Legacy. Throughout its history, SELI has built a globally recognized track record:
– Approx. 100 tunnels excavated, totaling 846 km of galleries across 32 countries.
– A vital contribution to developing strategic infrastructure in the water, energy, and sustainable mobility sectors across 5 continents.
– A track record featuring key works for Global Events, including Athens 2004, Vancouver 2010, and Expo Milan 2015.
– Priority interventions for water security in major metropolises such as Manila, Bogotá, and Rome, where new aqueducts were delivered in record time.
Discover SELI Overseas projects worldwide.
Val Lemme | Italy
Status
in progress
Client
CO. CI.V.
Cairo Metro, Line 4 | Egypt
Status
in progress
Client
Petrojet
Lodz Node railway | Poland
Status
in progress
Client
PBDiM
Radimero | Italy
Status
in progress
Client
COCIV – RFI Italian Railways
Lonato Tunnel | Italy
Status
in progress
Client
Cepav Due
Messina–Catania high-capacity railway | Italy
Status
in progress
Client
Consorzio Messina–Catania (WeBuild – Pizzarotti)
High Speed railway Fortezza-Ponte Gardena | Brennero
Status
in progress
Client
Consorzio Dolomiti
Salerno–Reggio Calabria high-speed railway | Italy
Status
in progress
Committente
Consorzio Xenia
High Speed railway Naples-Bari | Italy
Status
in progress
Committente
Consorzio BOVINO ORSARA AV
LOT 3A of Trento Railway Bypass | Italy
Status
in progress
Committente
RFI (FS Italiane Group)
Salerno-Reggio Calabria HS Railway Line, Cosenza – Paola/S. Lucido (Santomarco TUNNEL) section | Italy
Status
in progress
Committente
RFI (FS Italiane Group)
Palermo-Catania HC Rail Line, Fiumetorto-Lercara Junction (Lot 1+2) | Italy
Status
in progress
Committente
RFI (FS Italiane Group)
Palermo-Catania HC Line, Lercara-Caltanissetta Xirbi (LOT 3) | Italy
Status
in progress
Committente
RFI (FS Italiane Group)
Palermo-Catania HC RAILWAY Line, Caltanisetta Xirbi-Nuova Enna (Lot 4A) | Italy
Status
in progress
Committente
RFI (FS Italiane Group)
Sibiu–Pitești Motorway, Lot 3 | Romania
Status
ongoing
Client
CNAIR SA
Mavi Tunnel | Turkey
Excavation diameter
4.88 m
Tunnel length
17,061 m
Geology
Limestone, Sandstone, Clay and choke
Type of support
Prefabricated segments
Completed in
Completed in 2009
Client
ILCI
Suruc Tunnel | Turkey
Excavation diameter
7.80 m
Tunnel length
17,000 m
Geology
Limestone
Type of support
Prefabricated segments
Completed in
2013
Client
ILCI
Nosud Tunnel | Iran
Excavation diameter
6.12 m
Tunnel length
9,000 m
Geology
Limestone, Dolomitic Limestone
Type of support
Prefabricated segments
Completed in
2013
Client
JTMA
Piceno | Italy
Excavation diameter
4.04 m
Tunnel length
5,375 m
Geology
Sandstone and Marl
Type of support
Prefabricated segments
Completed in
2002
Client
Consorzio Idrico Intercomunale del Piceno
Isola | Italy
Excavation diameter
3.50 m
Tunnel length
6,200 m
Geology
Marl and sandstone
Type of support
NATM
Completed in
1986
Client
Romagna Acque SpA
Dogwood | Italy
Excavation diameter
3.50 m
Tunnel length
5,350 m
Geology
Marl and sandstone
Type of support
NATM
Completed in
1986
Client
Romagna Acque SpA
SSDS 1999 | Hong Kong
Excavation diameter
4.23 m
Tunnel length
5,300 m
Geology
Granite
Type of support
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
Type of support
NATM
Completed in
2002
Client
Government of Hong Kong
Umiray Angat | Philippines
Excavation diameter
4.88 m
Tunnel length
13,000 m
Geology
Conglomerate, basalt
Type of support
Prefabricated segments
Completed in
2000
Client
Metrop. Waterworks Sewerage Syst.
Tolo Harbour | Hong Kong
Excavation diameter
3.56 m
Tunnel length
7,450 m
Geology
Granite
Type of support
Prefabricated segments
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
Type of support
NATM
Completed in
1996
Client
Government of Hong Kong
Bergen Point | USA
Completed in
2022
Client
Suffolk County – Long Island (New York)
Whanjazhai Yellow River Diversion | China
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
Type of support
Prefabricated segments
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
Type of support
Prefabricated segments
Completed in
1995
Client
Shanxi Province
Tsuen Wan | Hong Kong
Completed in
2010
Client
Government of Hong Kong
Evinos – Mornos | Greece
Completed in
1994
Client
Ministry of Public Works
Talave | Spain
Excavation diameter
4.04 m
Tunnel length
7,208 m
Geology
Sandstone, Clay
Type of support
Prefabricated segments
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
Type of support
Prefabricated segments
Completed in
2009
Client
UTE FCC – COPISA
Poza Honda | Ecuador
Completed in
2001
Client
Odebrecht Servicos No Exterior Limitada
Daule Esperanza | Ecuador
Excavation diameter
4.88 m
Tunnel length
8,300 m
Geology
Marl and sandstone
Type of support
Prefabricated segments
Completed in
1999
Client
Dragados Y Construcciones S.A.
Navarre | Spain
Excavation diameter
5.84 m
Tunnel length
9,850 m
Geology
Sandstone-Marne
Type of support
Prefabricated segments
Completed in
2003
Client
Dreagaos S.A.
Mercury | New Zealand
Excavation diameter
3.56 m
Tunnel length
6,450 m
Geology
Sandstone-siltite
Type of support
Prefabricated segments
Completed in
1999
Client
Mercury Energy LTD
Rosales | Colombia
Completed in
1990
Client
E.A.A.B.
Brasimone | Italy
Completed in
1975
Client
ENEL – Italian Power Corporation
Orichella e Timpagrande | Italy
Completed in
1979
Client
ENEL – Italian Power Corporation
Tunjita | Colombia
Excavation diameter
4.30 m
Tunnel length
8,500 m
Geology
Sandstone and quartzite
Type of support
NATM
Completed in
1985
Client
I.S.A.
Chivor | Colombia
Excavation diameter
4.30 m
Tunnel length
7,600 m
Geology
Clays and siltites
Type of support
Prefabricated segments
Completed in
1985
Client
I.S.A.
Paute C | Ecuador
Excavation diameter
7.80 m
Tunnel length
6,200 m
Geology
Granodiorite
Type of support
NATM
Completed in
1991
Client
I.N.E.C.E.L.
St. Francisco | Ecuador
Excavation diameter
7.00 m
Tunnel length
9,400 m
Geology
Granite, Gneiss and Shale
Type of support
Prefabricated + supports
Completed in
2006
Client
Odebrecht Servicos No Exterior Limitada
Beles Tailrace | Ethiopia
Completed in
2009
Client
Salini S.p.A.
Beles Headrace | Ethiopia
Completed in
2009
Client
Salini S.p.A.
Gilgel Gibe Hreadrace Tunnel | Ethiopia
Excavation diameter
7.00 m
Tunnel length
26,000 m
Geology
Basalt
Type of support
Prefabricated segments
Completed in
2009
Client
Salini S.p.A.
Kishanganga | India
Completed in
2014
Client
Hindustan Construction Company Ltd
Dai Ninh | Viet Nam
Excavation diameter
5.48 m
Tunnel length
7,800 m
Geology
Sandstone, andesite, dacites, rhyolites
Type of support
Prefabricated segments
Completed in
2006
Client
Kajima Kumagai Song By JV
El Alto | Panama
Completed in
2013
Client
Hydro Caisan Ltd
La Joya | Costa Rica
Excavation diameter
6.18 m
Tunnel length
7,850 m
Geology
Lahar, andesiti and tuffs
Type of support
Prefabricated segments
Completed in
2006
Client
Union Fenosa International S.A.
Mohale Tunnel | Leshoto
Excavation diameter
4.88 m
Tunnel length
15,000 m
Geology
Basalt
Type of support
Prefabricated segments
Completed in
2001
Client
Mohale Matsoku Contractors (MMC)
Passirio | Italy
Excavation diameter
3.70 m
Tunnel length
5,715 m
Geology
Gneiss, MicaScisti
Type of support
Prefabricated segments
Completed in
2008
Client
Enerpass AG
Xe-Pian Xe-Namnoy | Laos
Completed in
2014
Client
SK Engineering & Construction
Varzo | Italy
Excavation diameter
4.04 m
Tunnel length
4,700 m
Geology
Gneis Car Hire
Type of support
Prefabricated segments
Completed in
2000
Client
Pizzarotti S.p.A.
Pieve Vergonte | Italy
Excavation diameter
4.04 m
Tunnel length
10,000 m
Geology
Micaschists and granodiorite
Type of support
Prefabricated segments
Completed in
2000
Client
ENEL – Italian Power Corporation
Val Viola | Italy
Completed in
2004
Client
A.E.M. Milano
Plave Doblar | Slovenia
Excavation diameter
6.98 m
Tunnel length
5,929 m
Geology
Limestone
Type of support
Prefabricated segments
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
Type of support
Prefabricated segments
Completed in
2021
Client
ENEL Chile
Monte Giglio | Italy
Excavation diameter
4.88 m
Tunnel length
8,509 m
Geology
Sandstone, Marl and Limestone
Type of support
Prefabricated segments
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
Type of support
Prefabricated segments
Completed in
2007
Client
Gammon India
CCD Grande Dixence | Switzerland
Completed in
1998
Client
EOS (L’Energie de l’Ouest-Suisse)
Algiers Metro | Algeria
Status
2025
Client
Cosider Travaux Publics
Turin Underground Lots 3, 4 and 5 | Italy
Completed in
2003-2005-2006
Client
INFRATO ex GTT
Vancouver Underground – Canada Line | Canada
Completed in
2008
Client
SNC Lavalin
Porto Underground | Portugal
Excavation diameter
8.71 m
Tunnel length
5,600 m
Geology
Granite
Type of support
Prefabricated segments
Completed in
2002
Client
Transmetro Ace
Tehran Underground Line 7- South North | Iran
Excavation diameter
9.16 m
Tunnel length
14,000 m
Geology
Clay and gravel sand
Type of support
Prefabricated segments
Completed in
2014
Client
Sepanir
Attiko Underground Line 3 | Greece
Excavation diameter
9.44 m
Tunnel length
3,340 m
Geology
Silt, clay and shale of Athens
Type of support
Prefabricated segments
Completed in
2004
Client
Attiko Metro SA.
Rome Underground Line B1- Bologna – Conca D’Oro | Italy
Excavation diameter
6.79 m
Tunnel length
6,676 m
Geology
Clay, sandy clay, conglomerate
Type of support
Prefabricated segments
Completed in
2010
Client
METRO B1 S.c.a.r.l.
Rome Underground Line B1 – Conca D’Oro-Ionio | Italy
Excavation diameter
9.79 m
Tunnel length
1,100 m
Geology
Clay, sandy clay, conglomerate
Type of support
Prefabricated segments
Completed in
2011
Client
METRO B1 S.c.a.r.l.
Milan Underground Line 5 | Italy
Completed in
2014
Client
Astaldi S.p.A.
S. Paolo Underground Line 4 | Brazil
Excavation diameter
9.50 m
Tunnel length
6,464 m
Geology
Clay, sandy clay, sand
Type of support
Prefabricated segments
Completed in
2009
Client
Consorcio Vai Amarela
Doha Underground – Gold Line | Qatar
Completed in
2015
Client
JV ALYSJ
Serravalle | Italy
Status
february 2024
Client
COCIV – RFI Italian Railways
Abdalajis East | Spain
Completed in
2007
Client
ADIF
Settingiano | Italy
Excavation diameter
8.70 m
Tunnel length
2,450 m
Geology
Clay, marl
Type of support
Prefabricated segments
Completed in
2007
Client
ITALFERR S.p.A.
Monte Zucco | Italy
Excavation diameter
8.03 m
Tunnel length
2,710 m
Geology
Limestone
Type of support
Prefabricated segments
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
Type of support
Prefabricated segments
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
Type of support
Prefabricated segments
Completed in
2010
Client
OAO BAMTONELSTROY
Brennero – Aica Mules Service Tunnel | Italy
Excavation diameter
6.30 m
Tunnel length
10,258 m
Geology
Granite
Type of support
Prefabricated segments
Completed in
2011
Client
BBT – Brenner Base Tunnel
Railway to Jerusalem – Line C | Israel
Completed in
2014
Client
Joint Venture Shapir-Pizzarotti
Los Bronces | Chile
Completed in
2010
Client
Dragados – Besalco JV
S. Pellegrino pilot tunel | Italy
Excavation diameter
3.90 m
Tunnel length
2,100 m
Geology
Limestone
Type of support
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
Type of support
Prefabricated segments
Completed in
1998
Client
A.N.A.S. – English National Roads Company