![](https://selioverseas.com/wp-content/uploads/2022/06/20190226_093611-1024x498.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/a-1024x768.jpeg)
![](https://selioverseas.com/wp-content/uploads/2022/06/SELI_COCIV_Ser_006-1024x683.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/20200913_194700-1024x768.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/WhatsApp-Image-2021-01-27-at-18.46.55-1024x768.jpeg)
![](https://selioverseas.com/wp-content/uploads/2022/06/46101086025_223d625edf_b.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/Foratura01.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/STA60240-1024x987.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/100_0093-1024x768.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/Kishanganga_20180423_630_630.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/IMG_5604-1024x768.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/IMG_5885-1024x683.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/CCD-750x1024.jpg)
Great Dixence | CCD Switzerland
Completed in
1998
Client
EOS (L'Energie de l'Ouest-Suisse)
![](https://selioverseas.com/wp-content/uploads/2022/06/VNC-FORATURA-1024x768.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/img1444m.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/DSC_0331-1024x685.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/VideoCapture_20191112-124535-1024x576.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/unnamed-1.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/IMG_0852-1024x768.jpg)
Railway to Jerusalem – Line C | Israel
Completed in
2014
Client
Joint Venture Shapir-Pizzarotti
![](https://selioverseas.com/wp-content/uploads/2022/06/2-PHOTO-2020-10-28-09-02-49.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/Tunnelband_Sur_Los_Bronces_002.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/Metro-Cairo.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/20190226_093611-1024x498.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/2-PHOTO-2020-10-28-09-02-49.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/a-1024x768.jpeg)
![](https://selioverseas.com/wp-content/uploads/2022/06/SELI_COCIV_Ser_006-1024x683.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/20200913_194700-1024x768.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/MAVI-2-1024x670.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/MAVI-3.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/MAVI-4.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/MAVI-5.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/MAVI-1-1024x766.jpg)
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
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
Suruc Tunnel | Turkey
Excavation diameter
7.80 m
Tunnel length
17,000 m
Geology
Limestone
Media Type
Prefabricated ashlars
Completed in
2013
Client
ILCI
![](https://selioverseas.com/wp-content/uploads/2022/06/Nosoud01.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/NosoudA-02.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/download-1.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/NosoudA-03.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/1download.jpg)
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
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
| 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.
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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.
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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
![](https://selioverseas.com/wp-content/uploads/2022/06/unnamed-2.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/unnamed-1-1.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/unnamed-2-1.jpg)
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.
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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
![](https://selioverseas.com/wp-content/uploads/2022/06/WhatsApp-Image-2021-01-27-at-18.46.55-1024x768.jpeg)
![](https://selioverseas.com/wp-content/uploads/2022/06/lotto-v-5.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/lotto-v-2.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/lotto-v-3.jpg)
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
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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
![](https://selioverseas.com/wp-content/uploads/2022/06/46101086025_223d625edf_b.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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.
![](https://selioverseas.com/wp-content/uploads/2022/06/Sant-just-2.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/Sant-just-1.jpg)
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
![](https://selioverseas.com/wp-content/uploads/2022/06/Foratura01.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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.
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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.
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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.
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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.
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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.
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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.
![](https://selioverseas.com/wp-content/uploads/2022/06/uhe-sanfrancisco-equador_1.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/San-1.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/San-2.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/San-3.jpg)
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
![](https://selioverseas.com/wp-content/uploads/2022/06/STA60240-1024x987.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/100_0093-1024x768.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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.
![](https://selioverseas.com/wp-content/uploads/2022/06/Kishanganga_20180423_630_630.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/2-1-1024x766.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/1.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/4.jpg)
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
![](https://selioverseas.com/wp-content/uploads/2022/06/IMG_5604-1024x768.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/36_imm1.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/La-joya.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/e14_04_newjpg-1024x768.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/e14_08_newjpg-1024x768.jpg)
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.
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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)
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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
![](https://selioverseas.com/wp-content/uploads/2022/06/IMG_5885-1024x683.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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.
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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.
![](https://selioverseas.com/wp-content/uploads/2022/06/Picture-n.-3-Los-Condores.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/Portale-TBM-2.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/Portale-TBM-31-1024x576.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/Picture-n.-4-Los-Condores.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/Picture-n.-1-Los-Condores-765x1024.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/Picture-n.-2-Los-Condores-768x1024.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/Picture-n.-5-Los-Condores.jpg)
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
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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.
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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
![](https://selioverseas.com/wp-content/uploads/2022/06/CCD-750x1024.jpg)
Great Dixence | CCD Switzerland
Completed in
1998
Client
EOS (L'Energie de l'Ouest-Suisse)
![](https://selioverseas.com/wp-content/uploads/2022/06/TRN5-DSCF1253-1024x768.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/IM001527.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/DSCF0425-1024x769.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/TRN5-DSCN1806-senza-data-1024x768.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/DSCN1786-1024x768.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/IM009441.jpg)
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
![](https://selioverseas.com/wp-content/uploads/2022/06/VNC-FORATURA-1024x768.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/Metro-Porto_interno-tunnel_01.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/Metro-Porto_Linea-S_1-768x1024.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/DSCN0007-768x1024.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/Metro-Porto_Breakthrough-Sao-Bento-768x1024.jpg)
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
![](https://selioverseas.com/wp-content/uploads/2022/06/unnamed-1-2.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/1-1.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/unnamed-3.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/1-tbm-1024x692.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/2-tunnel-1024x762.jpg)
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
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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.
![](https://selioverseas.com/wp-content/uploads/2022/06/SELI-Rome-Breakthrough1.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/images-2.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/Seli-Rome-breakthrough.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/SELI-Rome-Breakthrough3.jpg)
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.
![](https://selioverseas.com/wp-content/uploads/2022/06/SELI-Rome-Breakthrough1.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/images-2.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/Seli-Rome-breakthrough.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/SELI-Rome-Breakthrough3.jpg)
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.
![](https://selioverseas.com/wp-content/uploads/2022/06/img1444m.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/4-1-1024x704.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/5-1024x704.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/1-2-1024x682.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/2-2-684x1024.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/3-1-1024x684.jpg)
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
![](https://selioverseas.com/wp-content/uploads/2022/06/DSC_0331-1024x685.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/unnamed-1.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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.
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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.
![](https://selioverseas.com/wp-content/uploads/2022/06/week3106_pic7-1.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/Pajares-Site-2-1030x773-2-1024x768.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/2006_04_19-014-1-1024x768.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/06/tunelpajares-1-1024x512.jpg)
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
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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
![](https://selioverseas.com/wp-content/uploads/2022/06/IMG_0852-1024x768.jpg)
Railway to Jerusalem – Line C | Israel
Completed in
2014
Client
Joint Venture Shapir-Pizzarotti
![](https://selioverseas.com/wp-content/uploads/2022/06/Tunnelband_Sur_Los_Bronces_002.jpg)
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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
![](https://selioverseas.com/wp-content/uploads/2022/05/SeliOverseas_WBGroup_vert_Colore-1024x466.webp)
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