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MHI-Duro Felguera Receives Order for World Biggest TBM - es/104

MHI-Duro Felguera Receives Order for World Biggest TBM - es/104FCC and ACS Dragados have placed a EUR40 million order with MHI-Duro Felguera for the supply of possibly the world's biggest EPB ... More Information

World's Fifth Longest Road Tunnel Breaks Through in Taiwan - tw/14

World's Fifth Longest Road Tunnel Breaks Through in Taiwan - tw/14Taiwan on 16th September, 2004 celebrated the final breakthrough, the eighth of its kind since 2000, of what is the world's 5th ... More Information

Atlas Copco Completes Acquisition of Baker Hughes Mining Tools

Atlas Copco Completes Acquisition of Baker Hughes Mining ToolsAtlas Copco North America Inc. has completed its acquisition of Baker Hughes Mining Tools, a division of Hughes Christensen, a division ... More Information

British Tunnel Projects Face Long Road Ahead

British Tunnel Projects Face Long Road AheadThree major British tunnel projects have been slowed by extensive environmental requirements and funding issues.A public inquiry into the GBP150 million ... More Information

Portland's West Side Big Pipe North Drive is Completed

Portland's West Side Big Pipe North Drive is CompletedA Herrenknecht Mixshield TBM named Lewis (machine S-232) has broken through on 31st August into Confluent shaft on Swan Island after a 4-month ... More Information

Dublin Port Tunnel Breaks Through

Dublin Port Tunnel Breaks ThroughThe Herrenknecht EPB TBM excavating the second tube of the Dublin Port tunnel broke through into the reception pit at Whitehall on the 18th August, 2004. The event ... More Information

Tunnel Collapse Kills 29 in India

Tunnel Collapse Kills 29 in IndiaTwenty-nine labourers have been killed on 2nd August after a tunnel shaft collapsed in the Himalayas as part of the works for the Tehri hydro project in the northern ... More Information

New Personnel Vehicle from Normet

New Personnel Vehicle from NormetThe new RBO is a pioneering vehicle designed and built from Normet's experience over 40 years of underground mobile equipment production. Extreme conditions call for ... More Information

Lovat TBM Breaks Through Upper Reach Tunnel of NEIS - us/29

Lovat TBM Breaks Through Upper Reach Tunnel of NEIS - us/29The Traylor / J. F. Shea / Frontier Kemper / Kenny joint venture broke through on 16th July the 3.3 km Upper Reach tunnel of the North East ... More Information

Atlas Copco to Acquire Baker Hughes Mining Tools

Atlas Copco to Acquire Baker Hughes Mining ToolsAtlas Copco North America Inc. has signed an agreement to acquire Baker Hughes Mining Tools, a division of Hughes Christensen, a division of Baker ... More Information

Hook Fiber Goes Global

Hook Fiber Goes GlobalFrom its manufacturing base in Seoul, Korea, Hookfiber International Corporation (HIC) is bringing more competition into the steel fibre concrete and shotcrete reinforcement ... More Information

Robbins Breakthroughs in Sydney

Robbins Breakthroughs in SydneyTwo breakthroughs in two days, on July 27th and 29th, made for an eventful week on the Epping to Chatswood Rail Line project in Sydney, Australia. Thiess-Hochtief ... More Information

Wirth-NFM Group To Build TBM for Pajares Tunnel in Spain - es/55

Wirth-NFM Group To Build TBM for Pajares Tunnel in Spain - es/55The FCC / Necso JV has placed an order with the Wirth-NFM Technologies Group for one TBM to be used to drive one of the two parallel ... More Information

Wirth TBM Breaks Through Sabugal-Meimoa Water Tunnel

Wirth TBM Breaks Through Sabugal-Meimoa Water TunnelA Wirth hard rock TBM broke though a tunnel on 23rd June for the Rural Development and Irrigation Institute under the Portuguese Ministry of ... More Information

MHI Receives Order for Two TBMs from China - cn/28

MHI Receives Order for Two TBMs from China - cn/28Mitsubishi Heavy Industries has received an order to supply two earth pressure balance shield tunnelling machines to China Construction First Group ... More Information

China and Argentina to Build Tunnel to Link Atlantic and Pacific - ar/20 & cl/24

China and Argentina to Build Tunnel to Link Atlantic and Pacific - ar/20 & cl/24China and Argentina signed on 29th June an agreement in principle for building a 13.9 km tunnel across the Andes ... More Information

Wirth / NFM Technologies Group Creates Subsidiary in Spain

Wirth / NFM Technologies Group Creates Subsidiary in SpainThe Wirth / NFM Technologies Group has created NFM-Wirth Service S.A., a subsidiary located in Madrid. The new company has been operational ... More Information

Railway Concessionaire Orders Perthus TBM with Option for Second Machine - fr/16 & es/21

Railway Concessionaire Orders Perthus TBM with Option for Second Machine - fr/16 & es/21Herrenknecht has received an order from TP Ferro, the concession company set up by ACS-Dragados of Spain ... More Information

Germany and Denmark Sign Declaration on Fixed Baltic Link

Germany and Denmark Sign Declaration on Fixed Baltic LinkThe German and Danish transport ministers, Manfred Stolpe and Flemming Hansen, signed on 23rd June a declaration to pursue a fixed road and ... More Information

Caterpillar to Hold Live Demo of Tunnelling Excavator

Caterpillar to Hold Live Demo of Tunnelling ExcavatorAfter the high-level attention the 325CR tunnelling excavator got at the Bauma fair in Munich, Cat will run a live tunnelling construction ... More Information

Nusantara Tunnel Project in Indonesia Needs Experts

Nusantara Tunnel Project in Indonesia Needs ExpertsPT Nusantara Tunnel Indonesia is currently preparing to construct a 33 km subsea twin tunnel crossing the Sunda Strait in Indonesia. The tunnel ... More Information

Gjerstad for toughness, durability, and a long working life

Gjerstad for toughness, durability, and a long working lifeMost people in the tunnelling industry associate the name Gjerstad with side-tipping buckets, an item that they have produced for nearly 40 ... More Information

At the Heart of the Lötschberg

At the Heart of the LötschbergTwenty minutes are necessary to cover the 7 km southward between the Mitholz entrance of the Lötschberg base tunnel and the worksite to Ferden. Consortium Satco, a JV ... More Information

Black Diamond Cutters Take on the World

Black Diamond Cutters Take on the WorldBlack Diamond Cutters, manufactured in the New South Wales town of Artarmon, Australia, have been a growing influence on Asia Pacific TBM projects over the ... More Information

Squeezing Ground Obliges to Innovate at Gotthard Base Tunnel

Squeezing Ground Obliges to Innovate at Gotthard Base TunnelThe 800 m Sedrun shaft enables to descend to the heart of the Gotthard base tunnel in 67 seconds, at a speed of 12 m/sec. The elevator has ... More Information

Harvey Parker - ITA President with a Mission

Harvey Parker - ITA President with a MissionDr Harvey W. Parker, PE, a tunnel and geotechnical engineer in private practice, has been elected to a three-year term as President of the International ... More Information

Spain Inaugurates First Phase of Test and R&D Tunnel

Spain Inaugurates First Phase of Test and R&D TunnelVicente Alvarez Areces, the president of Asturias in northern Spain, inaugurated on 25th May a EUR1.3 million high temperature fan test ... More Information

Goodbye WT, hello TTC!

Goodbye WT, hello TTC!April edition of World Tunnelling magazine was the last of the series, and the title has closed after some 150 issues. Launched in March, 1988, WT was well-received by both ... More Information

Sandvik Tamrock Wins Order for Tunnelling Jumbos - cn/61

Sandvik Tamrock Wins Order for Tunnelling Jumbos - cn/61Sandvik Tamrock has signed a supply contract with the Leighton-Kumagai JV to deliver five new Tamrock Axera tunnelling jumbos for Route 8 ... More Information

Four Cat 330C HD Special Application Excavators on the World's Longest Tunnelling Project

Four Cat 330C HD Special Application Excavators on the World's Longest Tunnelling ProjectThe Sedrun intermediate adit is one of the most spectacular sections of the 2 x 57 km Gotthard base tunnel in ... More Information

France and Italy Sign Lyon-Turin High Speed Rail Link Agreement

France and Italy Sign Lyon-Turin High Speed Rail Link AgreementFrance and Italy on 5th May signed an agreement on the financing of a EUR12 billion transalpine high speed rail link between the cities ... More Information

Austria and Italy Sign Agreement on Brenner Base Tunnel

Austria and Italy Sign Agreement on Brenner Base TunnelHubert Gorbach, the Austrian deputy chancellor and minister for transport, innovation and technology, and Pietro Lunardi, Italy's minister for ... More Information

EU Welcomes New TEN Guidelines

EU Welcomes New TEN GuidelinesThe European Parliament and Council adopted 30 priority projects of the Trans-European transport Network (TEN) on 21st April, a few days before the enlargement of the ... More Information

Lovat Launches TBM in Singapore

Lovat Launches TBM in SingaporeDowner Engineering has launched a refurbished 6.15 m-diameter Lovat TBM, model RMP242SE Series 18500, for the Singapore cable tunnel contract C302, section from West ... More Information

Annual Tunnel Test Results Disclosed as EU Adopts New Directive on Safety

Annual Tunnel Test Results Disclosed as EU Adopts New Directive on SafetyADAC, the German motoring club, has presented the results of its sixth annual tunnel test survey since 1999. This year's ... More Information

Three Killed, One Missing at Singapore Metro Collapse

Three Killed, One Missing at Singapore Metro CollapseThree workers, one Malaysian, one Chinese and one Singaporean, have been killed on 20th April at a metro collapse on a Circle Line worksite in ... More Information

Tunnelling News

Tesla Cybertruck escorts Boring Co's Prufrock-3 tunnel boring machine

The Boring Company's Prufrock-3 tunnel boring machine (TBM) recently completed a tunnel to Giga Texas, and in true Elon Musk fashion, ... More Information

Kazakhstan’s First Automobile Tunnel and Largest Bridge to be Completed this Year

As reported by the Kazakhstan’s Ministry of Transport, Kazakhstan’s first automobile tunnel through the Shakpak Baba Pass and the country’s largest bridge over the Bukhtarma Reservoir ... More Information

HRBT Expansion Project hits big milestone, could be on track for early completion

The tunnel boring machine, known as Mary ... construction of our two new bored tunnels,” said Project Director Ryan Banas... More Information

TBMs Pass Factory Test For Lesotho Highlands Water Project

A team of engineers and tunnel experts from the Lesotho Highlands Development Authority (LHDA) together with consultants and contractors working on the Polihali transfer tunnel recently ... More Information

Royal Cargo opts for Goldhofer heavy transport equipment

It has also been in action moving tunnel boring machines (TBM) for the Metro Manila Subway project ... machine part posed a significant challenge due ... More Information

Tunnel breakthrough on NI Water's £7.8M Portadown wastewater project

The tunnel boring machine excavated roughly 1,000m3 of material, which would have risen to 8,000m3 of spoil with a more traditional open-cut method. More Information

The Boring Company announces Cybertunnel at Tesla Texas HQ

In January, the company's latest tunnel boring machine (TBM), Prufrock 3, was first spotted near Tesla's Giga Texas. Prufrock-3 has ... More Information

How do you build tunnels and bridges underwater?

Underground construction usually uses powerful tunnel-boring machines to excavate soil directly. This machine is often called a mole for a reason. More Information

Five Huge New Construction Projects Coming To The US

A spokesperson for the project told Newsweek: "The Hudson Tunnel Project is a generational investment that is expected to create 95,000 new jobs and ... More Information

Chennai Metro Corridor 3: Adyar River Tunnel Work Hampered By Geological Setbacks

For the stretch between Greenways Road and Adyar, CMRL engaged two TBMs, 'Kauvery' and 'Adyar.' These machines were launched from Greenways Road ... More Information

French and Danish firms to build Valby 'cloudburst tunnel'

The underground tunnel will be 2,380m long and will be constructed as a drilled tunnel with an internal diameter of 3.4m. The tunnel will have the ... More Information

Howard's approved budgets include $44.9M for Ellicott City tunnel

The Howard County Council has approved a $2.4 billion operating budget for fiscal 2025, along with a $413 million capital construction budget that ... More Information

DC Water Breaks Ground On Potomac River Tunnel Project

DC Water on May 21 hosted a groundbreaking ceremony to officially commence construction activities for the Potomac River Tunnel Project... More Information

Silvertown Tunnel portal connections completed

A complete transformation of the tunnel shape was needed to connect the circular tunnel boring machine (TBM) constructed ... More Information

The $4BN Tunnel to Save Stockholm - The B1M

Above: A tunnel entrance under construction. When it completes in 2030, the $4BN project will be one of the longest road tunnel systems in the world. More Information

OHLA awarded the Gjønnes tunnel in Norway for nearly 160 million euros

The Norwegian Public Roads Administration (Statens Vegvesen) has awarded the company the design and construction of the Gjønnes tunnel for 156 ... More Information

Utilities tunnel dug through 'challenging' ground conditions under River Tees

Main contractor Farrans Construction worked with specialist contractor Joseph Gallagher to construct the tunnel. During its five weeks of tunnelling ... More Information

China develops world's first boring and blasting machine

In a groundbreaking development, the world's first boring and blasting machine, jointly developed by Tsinghua University and China Railway Science and Industry Group, has successfully ... More Information

Tunnel boring machine wedged in hard rock, leaving Snowy 2.0 hydropower project with new issues

Tunnelling problems are plaguing the $12 billion Snowy 2.0 hydropower project, with a boring machine previously bogged in soft ground now wedged in ... More Information

Construction Complete On New High-Speed Rail Tunnel

Inside the completed Desheng Tunnel, and inset, a Chinese high-speed train. Work on the project is now complete. © China ... More Information

DC Water Breaks Ground on Potomac River Tunnel Project

The Project consists of a large-diameter deep sewer tunnel, diversion facilities, drop shafts, and support structures to capture flows from existing ... More Information

Morocco’s proposed $13 billion underwater tunnel to connect Europe to Africa by 2030s

An historic intercontinental rail link is aiming to link Europe to Morocco with an ambitious underwater tunnel. The Moroccan National Company for Strait Studies (SNED) announced last ... More Information

Government set to fund £1bn final HS2 London tunnel drive

The project was halted as part of Prime Minister Rishi Sunak’s £6.5bn cost-cutting plan announced last October. This involved axing phase 2 to Manchester and finding a private investor ... More Information

HS2 Project Update, May 2024

Our Victorian railways have carried us successfully through history, but with passenger numbers continuing to rise, investing in new, modern railway lines like HS2 is the key to meet the ... More Information

PM inaugurates breakthrough of Sunkoshi Marin Diversion tunnel

A breakthrough of the Sunkoshi Marin Diversion Multi-purpose Project tunnel has been made... More Information

Toronto's Eglinton Crosstown extension moves closer to tunnelling completion

The project is being delivered by Infrastructure Ontario and Metrolinx. West End Connectors was awarded the C$729M (£425M) contract to design, build ... More Information

_Fehmarnbelt tunnel program hits major milestone

DEME Group said that the Fehmarnbelt tunnel project, one of Europe's largest infrastructure projects, has achieved a significant milestone with ... More Information

The incredbile new £12bn mega-tunnel that could end traffic chaos in world famous city

Construction on the £12.63 billion mega-tunnel has already begun and it is expected to be open in 2035. · Animation for The Hudson River Tunnel project. More Information

Great Lakes Tunnel Project makes progress

Ready to move forward. Enbridge is preparing to begin tunnel construction as soon as possible, following receipt of environmental permits ... More Information

Hudson Tunnel Project is expected to create 95,000 jobs

The report is based on research done on behalf of the Gateway Development Commission. “The Hudson Tunnel Project is the most pressing infrastructure ... More Information

The $2.8BN Megaproject Dividing London

London is building a controversial new tunnel under the River Thames. Head to https://brilliant.org/TheB1M/ for a 30-day free trial + the first 200 people will receive 20% off their ... More Information

Namma Metro: Underground tunnel work on Pink Line 95% complete

This underground portion includes the ambitious task of constructing 20.992 km of twin tunnels. Progress is also underway on the construction of 18 ... More Information

How an ancient water tunnel design is cooling 21st-century streets

In Seville, 3,000-year-old underground technology is being transformed in modern day air-conditioning. An aqueduct at the unopened CartujaQanat pilot ... More Information

Frederick Douglass Tunnel Program B&P Tunnel Replacement Project

Project Description: Proposed utility and roadway relocations include civil work to support the construction of Amtrak's Frederick Douglass Tunnel. More Information

Fehmarnbelt | Purpose-built vessel arrives to line tunnel trench with gravel 'cushion'

The Fehmarnbelt Fixed Link is a new road and rail tunnel being constructed between Denmark and Germany. It will comprise 89 precast concrete ... More Information

Successful Breakthrough of Gudauri Tunnel in Georgia's North-South Corridor KK Highway Project

KAZBEGI, Georgia, April 23, 2024--The 10-kilometer LOT1 Section is constructed by China Railway Tunnel Group Co., Ltd., of which the Gudauri ... More Information

Construction of Shinku La Tunnel to bolster all-weather connectivity in Ladakh Rising Kashmir

Leh, Apr 21: Member of Parliament from Ladakh, Jamyang Tsering Namgyal, announced that work on the strategically vital Shinku La Tunnel is set to ... More Information

Tunneling works for key Davao bypass road seen completed this year

The Davao City Bypass Construction Project is among the 14 foreign-assisted infrastructure projects approved by the National Economic Development ... More Information

Hamptons Subway Cuts Ribbon on New Foxwoods Tunnel

Hamptons Subway, with U.S. Transportation Secretary Pete Buttigieg, cut the ribbon to begin construction of the new tunnel from Sag Harbor to ... More Information