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Colombia - Toyo Tunnel project

The Toyo tunnel project includes 18 tunnels divided into two sections. On the 26.01.2018 FCC Construccion began building section one, this section will improve connectivity between Medellin and ... More Information

Colombia - Tesalia Tunnel

To date more than 1000m of the main Tesalia tunnel (length 3.4km), which is part of the Pacifico 3 highway in Colombia has been excavated. The tunnel project will connect Antioquia, the Coffee ... More Information

Looking for the “Water Mist “Researcher 2019

Since 2016, the International Water Mist Association (IWMA) has honoured young researchers who dedicate their masters and/or Ph.D. theses to water mist technology. The call for submissions for ... More Information

IRF Global R2T Conference & Expo

Only a Few Exhibit Booths are still available at the IRF Global R2T Conference & Expo. The IRF Global R2T Conference & Expo will be held from Nov 7-9, 2018 in Las Vegas, USA. It is your ... More Information

Rosie completes her journey!

On the 29th of August 2018 Rosie, the Robbins Crossover TBM, broke through on the Ohio Canal Interceptor Tunnel. This tunnel is the largest part of the Akron Waterways Renewel project. The TBM, ... More Information

Koralm Tunnel achieves tunnel breakthrough

At the heart of the Koralm railway project between Graz and Klagenfurt in Austria is the 33km-long Koralm Tunnel. The new 130 km high-performance line consists of 12 new stations, over 100 bridges ... More Information

TERRATEC TBMs get up to speed on Mumbai Metro

The first four of seven TERRATEC TBMs to be used on Mumbai Metro ’s highly anticipated 33.5km Line 3 underground corridor , in India , are making good progress . In early August, ... More Information

Thimble Shoal Tunnel

The TBM Chessie, that was custom-made by Herrenknecht for Dragados USA Inc and Schiavone Construction Co. LLC, is now ready to begin construction of the New Tunnel under the Thimble Shoal Canal in ... More Information

Castelbello/Colsano works underway in Autumn

In September 2018, work will begin on the new 3,360 m Castelbello and Colsano bypass, which will lighten transit traffic within the two towns and improve the traffic movement on the road to the ... More Information

Filder Tunnel

At the end of July, the ATCOST 21 Consortium (Porr Bau GmbH Tunnelbau, G. Hinteregger & Soehne Baugesellschaft mbH, Oestu - Stettin Hoch - und Tiefbau GmbH, Swietelsky Baugesellschaft mbH) and ... More Information

MMRC - Metro 3 Corridor

On August 10, 2018 Mumbai Metro Rail Corporation (MMRC) started the tunnelling for package 01, which comprises of Cuffe Parade, Vidhan Bhavan, Churchgate and Hutatma Chowk stations. The TBM Surya 1, ... More Information

Forrestfield-Airport Link update

The TBMs Grace and Sandy, after a detailed maintenance program, have started tunnelling from the Airport Central Station and will install 3291 rings between them before breaking through into the ... More Information

First mega borer arrives for big dig under city centre

The first of five mega TBMs has arrived to extend Sydney’s new metro railway deep under the city centre. The TBM arrived at the Marrickville launch site in eight shipping containers and 23 ... More Information

Brenner Base Tunnel update

FLAVIA” joins “VIRGINIA” The last large component of the TBM “Flavia” has arrived at the Mules construction site. A short video shows the long journey that began ... More Information

Metro Line B extension in Lyon

In July SYTRAL, the transport association for Rhone Department and Lyon, awarded to the Consortium Implenia (50%)/Demathieu Bard (50%) the EUR138 million contract to build Lot GC 01 of the Metro ... More Information

Mamajo, the TBM for 3RPORT

On 07.08.2018 City Utilities unveiled the name for the 121.92 m (400-feet) long TBM – MamaJo! The TBM will dig the 8km (five-mile) Fort Wayne’s Deep Rock Tunnel at 61 m (200 feet) ... More Information

Public invited to submit comments for EIA report on Malta-Gozo tunnel

An open consultation for the public to talk about the preparation of an EIA report on the Malta- Gozo tunnel, has been launched by the Ministry for the Environment, Sustainable Development and ... More Information

PIARC international conference on Road Tunnel Operations and Safety.

If you would like to know about the PIARC conference in Lyon starting on October 3rd 2018 please click on this link to their brochure. A representative from the tunnelbuilder team will be ... More Information

Balfour Beatty VINCI announces appointment of new Managing Director for HS2 Joint Venture

Balfour Beatty VINCI today announces the appointment of Mark Davies as Managing Director for its HS2 Joint Venture. Mark Davies will take on the role from Mark Cutler who leaves after a ... More Information

11th Annual breakthroughs in tunneling short course

Learn from the case studies below at the 11th annual breakthroughs in tunnelling short course. This course will be held from the 10th to the 12th of September 2018 at the University of Denver, ... More Information

EBRD finances upgrading of Cairo Metro Line 1

Millions of commuters will benefit from a EUR205 million loan provided by the European Bank for Reconstruction and Development (EBRD) to support the Egyptian National Authority for Tunnels (NAT) ... More Information

South Hartford Conveyance and Storage Tunnel update

The Metropolitan District (MDC) announced that TBM Iris will be lowered into place this week. The parts will be lowered in separate segments approximately 61 m (200 feet) down into the South ... More Information

HRBT project

The Hampton Roads Bridge-Tunnel expansion project will move forward with the bored-tunnel construction method to deliver the next connection across the Hampton Roads harbour, the Virginia ... More Information

HS2 contract opportunities

Do you want to see the latest information on HS2? Also find information about contracts awarded directly by HS2 Ltd, including the status of current and future opportunities. Just click ... More Information

Take A Virtual Drive Through The West Gate Tunnel

Visitors to the West Gate Tunnel’s new information centre will be able to take a virtual drive through the tunnel via a high tech interactive model and learn more about the congestion busting ... More Information

The Five Billion Pound Super Sewer documentary series commissioned by BBC Two

BBC Two has commissioned Raw to produce a three-part documentary series following the £5bn project to build London’s 20 mile-long ‘super sewer’, cutting through the heart ... More Information

TELT update

Turin/Lyon - Before the end of the Summer 2018 the tenders for the French section of the base tunnel TELT will be released. The bi-national co-operation program agreed by the two European Union ... More Information

TERRATEC EPBM delivered for Bangkok’s Orange Metro Line

The new 6.39 m diameter Earth Pressure Balance TBM will complete a series of complex tunnel drives for Phase 1 of Bangkok’s new Orange metro line , in Thailand . ... More Information

New iPS office opens in Houston

iPS – Powerful people is opening a new office in the “Energy Capital of the World”, Houston, Texas. The move is in line with the iPS goals to serve their clients all over the ... More Information

Melbourne Metro Tunnel’s Jobs Hub Drives Employment Opportunities

Thousands of Victorian jobs seekers can train and upskill as part of the state’s biggest-ever public transport project thanks to the launch of MetroHub – a one-stop-shop for jobs and ... More Information

Melbourne Metro July update

Preferred contractor selected to build tunnel entrances - A consortium comprising John Holland, CPB Contractors and AECOM has been selected as the preferred bidder to deliver the $1 billion Rail ... More Information

Robbins Double Shield is conquering the Himalayas

Nepal’s First TBM bores 1,000 Meters in One Month Nepal’s first tunnel boring machine, a 5.06 m (16.6 ft) diameter Robbins Double Shield, is living up to the nation’s high ... More Information

4th International Underground Excavations Symposium and Exhibition

4th International Underground Excavations Symposium and Exhibition is organized by the Chamber of Mining Engineers Istanbul Branch and Turkish Tunneling Society. The exhibition will be held on ... More Information

Frome Valley relief sewer

Wessex water are investing around £15 million in building a new sewer which will ensure their system copes with ongoing and future development in North Bristol and South ... More Information

ACCIONA and Gülermak complete excavation of the “Route 2020” project tunnel

Press release provided by ACCIONA and Gülermak. This tunnel is part of the Dubai Metro Red Line extension that will connect Nakheel Harbour and Tower station with the site of EXPO 2020 ... More Information

ITA Tunnelling Awards 2018 Finalists

The list of finalists for this year’s awards has now been released please see below. The awards ceremony will be held in Chuzhou-Nanjing in China from 5-7 November 2018. For further ... More Information

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Tunnelling News

ECRL Breakthrough: Genting Tunnel Becomes SEA's Longest Rail Tunnel

Genting Tunnel's construction used both Tunnel Boring Machines (TBM) and traditional drill-and-blast methods. The TBMs, built in China and ... More Information

Sydney tunnel factory creates 700 manufacturing jobs

The factory will support two of the largest tunnel boring machines (TBMs) in the Southern Hemisphere, set to arrive later this year. Once ... More Information

2.7 km Breakthrough Achieved in Bullet Train Tunnel

The tunnel also features a 7-kilometre undersea stretch beneath Thane Creek, a first of its kind in India. To ... More Information

Australian-first Sydney tunnel fabrication facility opens

The tunnel boring machines are expected to arrive in Sydney later this year, before being assembled deep underground below Birchgrove. They will ... More Information

ECRL Breakthrough: Genting Tunnel Becomes SEA's Longest Rail Tunnel

Genting Tunnel's construction used both Tunnel Boring Machines (TBM) and traditional drill-and-blast methods. The TBMs, built in China and ... More Information

4000-tonne machines dig arterial route under Melbourne's west

The West Gate Tunnel Project is in full swing beneath Melbourne's inner west, with tunnel boring machines (TBMs) Bella and Vida at the helm... More Information

Gotthard drilling machine gets no further - now it has to be blown up

Forced break in the Gotthard road tunnel: After 190 meters, the drilling machine working on the second tube has come to an end for the time being... More Information

Construction begins on 6 Cross Island Line Phase 2 stations

Tunnel Boring Machine measuring 12.8m in diameter. The machine will “bore through the ground only once for the construction of the tunnel which ... More Information

Tunnel boring machine returns after installing $22 million outfall

A 19.5 tonne tunnel-boring machine docked at Onehunga Wharf on Friday afternoon after successfully tunnelling the $22m Clarks Beach Outfall over ... More Information

Scarborough Subway Extension tunnelling progresses following maintenance stop

The remaining portion of the tunnel will be delivered by Scarborough Transit Connect, the development partner for the project's stations, rail and ... More Information

World's Deepest Underwater Tunnel to Have Cars Drive 16 Miles Under the Sea

Norway is building what is to become the longest and deepest road tunnel under the sea. The Rogfast project, measuring 26.7 kilometers (about 16.5 ... More Information

Tunnelling underway for National Grid’s 3.4km power tunnel in Snowdonia

The tunnel boring machine (TBM) Buddug has commenced excavation of National Grid’s 3.4km power tunnel in Wales’ Eryri National Park, otherwise known as Snowdonia. The tunnel is part of ... More Information

CPK signs contract for construction of HSR tunnel in Łódź

The contract for the construction of a 4.6 km long, 14-metre wide High-Speed Rail (HSR) tunnel will be carried out by construction company PORR. The project is valued at approximately PLN ... More Information

Underneath the busy Baltimore streets, the Howard Street Tunnel gets its makeover

A squad of construction workers descend daily under the streets of Baltimore. They labour deep down, in the semi-secret and highly restricted ... More Information

London Power Tunnels Milestone

We're thrilled to announce that our second 2.5km high-voltage circuit between Hurst and Crayford is now live. This £1 billion project is rewiring London, strengthening energy supply, and ... More Information

U.S. Tunneling Professionals Convene in Dallas at RETC 2025

The event drew approximately 1,400 people. Another highlight of the conference was the presentation of the now annual Underground Construction ... More Information

Construction of NY and NJ GatewayTunnel hits halfway mark

People are looking down at the ground from the Highline on Manhattan's West Side. Some parts of the new train tunnel structure ... More Information

Silicon Valley BART extension seeks new tunneling contractor

Silicon Valley BART extension seeks new tunneling contractor for construction. Maguire told reporters during a briefing Monday morning. He noted that VTA is trying to fill a $1.2 billion ... More Information

Tunneling In The Digital Age: Rethinking Subsurface Infrastructure

But successful construction is just the start of the journey. Underground infrastructure is a long-term investment—just look at the London Underground ... More Information

Sydney Moves Forward with Final Tunnelling for Harbour Project

Sydney prepares for the arrival of the largest TBMs in the Southern Hemisphere as the Western Harbour Tunnel project enters its final tunnelling ... More Information

Metrolinx seeks help to name 2 of its massive Ontario Line tunnel digging machines

Metrolinx is now accepting names for two of its giant tunnel boring machines (TBMs), which will be used for twin 16-metre-deep and six-kilometre-long ... More Information

Deutsche Bahn awards contract for Munich S-Bahn project

The contract involves structural works for the expansion, including the construction of tunnels and an underground station. The Tunnel Ostbahnhof JV, ... More Information

Excavation completed on Italian side of Brenner Base Tunnel

The tunnel boring machine (TBM) named “Flavia” successfully bored through the Alps beneath the Mules 2–3 section, reaching the Austrian border. More Information

Giant tunnel borer set for Shantou Bay project

A giant tunnel boring machine has been installed for tunnelling under Shantou Bay in Shantou, South China's Guangdong province. [Photo provided to ... More Information

€0.4bn road and tunnel project in Georgia

Work is proceeding on the Kvesheti-Kobi road and tunnel scheme in Georgia. The scheme is part of a larger project, being carried out with Chinese ... More Information

Lahore to transform with Rs49 billion tunnel boring project

Pakistan, April 27 -- The federal government has approved Lahore's Rs49 billion Tunnel Boring Project, marking a major development for the city... More Information

Construction at Cleveland Hopkins International Airport

The 2,100-foot-long tunnel connects the terminal to parking facilities and the tramway leading to the RTA public rail line. During the project, two of ... More Information

AFFHOLDER AND J.F. SHEA TEAM UP ON $700 MILLION CONTRACT

The tunneling subsidiary, Affholder LLC, will lead a joint venture with J.F. Shea Construction, Inc., to build the I-35 Capital Express Central ... More Information

Factory Testing Complete on DC Water's first tunnel boring machine for the Potomac River

Mary passed all the necessary requirements and is one of two TBM's on the project. The tunnel is part of DC Water's Clean Rivers Project, to ... More Information

Work on Chennai Metro tunnel racing to a finish

The machine Flamingo, which started boring in 2023 for the tunnel linking Light House with Thirumayilai, is expected to reach the other end in ... More Information

CPK awards contract to build high-speed rail tunnel in Lodz, Poland

The tunnel, to be constructed using a tunnel boring machine (TBM), will have a ... More Information

Inside HS2: Meet London's miners working on the Northolt tunnels

We are on a tunnel boring machine (TBM) inside High Speed Two's huge Northolt tunnels. These tunnel boring machines are part of a tunnelling ... More Information

Ontario Begins Construction Of Last Tunnel Segment Of The Eglinton Crosstown West Extension

The remaining eastern portion of tunnel construction (500-meter twin tunnels) will use the sequential excavation method, with daily progress of ... More Information

Norway is building the world's longest and deepest subsea road beneath its fjords

We have subsea road tunnels which have that construction. And the new tunnel between Germany and Denmark, there they are laying down cases and put ... More Information

CERN releases report on the feasibility of a possible Future Circular Collider

The estimated cost of construction of the FCC electron–positron stage, including the tunnel and all the infrastructure, is 15 billion Swiss francs... More Information

TBM break through on Auckland's £915M wastewater megaproject completes 16.2km tunnel

Auckland's major wastewater infrastructure project, the Central Interceptor, has reached a significant milestone with the final breakthrough of ... More Information

In pics: construction site of Chongming-Taicang tunnel

A smart assembling vehicle works at "Linghang" large diameter shield tunneling machine at the construction site of the Chongming-Taicang tunnel, part of the Shanghai-Chongqing-Chengdu ... More Information

IN PICTURES: Spectacular images of the removal of HS2's huge tunnelling machine

TBM Sushila was used to construct part of the Northolt Tunnel – an 8.4-mile tunnel ... construction/london-tunnels/progress-3/northolt-tunnel/tbm- ... More Information

Historic tunnels uncovered beneath Salisbury station during £5.3M upgrade project

Engineers from Network Rail and South Western Railway have uncovered a network of tunnels and rooms beneath Salisbury station during ongoing £5.3M upgrades to the station’s forecourt... More Information

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