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Colle di Tenda start

The JV Grandi Lavori Fincosit/Toto Costruzioni Generali has started construction of the new Colle di Tenda tunnel on SS 20 Valle di Roja and Colle di Tenda in Piemonte. More Information

Arabian conference programme

The Arabian tunneling conference and exhibition takes place in Dubai, UAE December 10-11 More Information

OFTA from Robbins

OFTA from Robbins

Onsite First Time Assembly was developed by Robbins for the Niagara Tunnel project, which used a 14.4 m-diameter hard rock TBM. OFTA reduces delivery schedules and overall costs significantly. More Information

Pipe systems in tunnels

Tunnels present designers and engineers with particular challenges when it comes to installing pipework. Read a paper prepared by Dave Hudson, More Information

InterTunnel Russia 2014

InterTunnel Russia will take place 14-16 May at VVC All Russia Exhibition Centre, Moscow - a new venue for 2014. More Information

TBM starts Maddalena survey tunnel

TBM starts Maddalena survey tunnel

On 12.11.2013 TBM excavation started for the Maddalena survey tunnel in Chiomonte on the Lyon-Turin line. More Information

Hong Kong sewage treatment

Hong Kong sewage treatment

On 08.11.2013 the breakthrough ceremony took place for Hong Kong’s Harbour Area Treatment Scheme (HATS) Stage 2A sewage tunnel (North Point-Wan Chai section), marking a new milestone for the project More Information

EnviroLAV from MineARC

EnviroLAV from MineARC

The powerless EnviroLAV is a robust, self-contained, corrosion resistant steel toilet system that is easy to operate and maintain. More Information

Zitron sponsors tunnelbuilder.es

Zitron sponsors tunnelbuilder.es

As the largest Spanish manufacturer of mining and tunnelling ventilation fans, Zitron has been a mainstream advertiser at tunnelbuilder.com More Information

Clean water for Mumbai

Clean water for Mumbai

A rapid Robbins 6.25 m-diameter main beam TBM is speeding up the provision of clean water to 20.5 million residents of Mumbai, India. More Information

Metro construction in Santiago

On 09.11.2013 construction started on the Los Leones station of Santiago metro Line 6. More Information

Transmission line Sorgente-Rizziconi

Transmission line Sorgente-Rizziconi

The underground link between the Favazzina arrival location of the submarine cables and the Scilla power station is key to the new 380 kV AC double-circuit Sorgente-Rizziconi transmission line to link Sicily and Calabria. More Information

World TBM records

For a comprehensive list of TBM records by diameter and type visit More Information

Sandvik jumbos for Tampere

Sandvik jumbos for Tampere

Top Finnish infrastructure company Lemminkainen has chosen Tamrock DT1131i jumbos to excavate the 2.3 km-long Rantavayla tunnel on its Lakeside Route project in Tampere More Information

2nd Eastern European Tunnelling Conference

Abstract submission deadline for next year’s Eastern European Tunnelling Conference is 30.11.2013. More Information

Breakthrough for Crossrail

Breakthrough for Crossrail

On 07.11.2013 Crossrail reached another important milestone as 1,000 t TBM Elizabeth broke into Stepney Green Cavern, one of Europe’s largest mined caverns, in the East End of London. More Information

Fehmarnbelt pre-bid conference

From 12-15th November, Femern A/S will gather together around 125 representatives from the nine consortia that have pre-qualified to bid for work on the immersed tunnel. More Information

TBM Bertha stops for maintenance

A week ago, Seattle’s SR 99 tunnelling machine Bertha stopped near South King Street for scheduled maintenance. More Information

Visit ES Rubber at STUVA

Visit ES Rubber at STUVA

A warm invitation from ES Rubber, renowned manufacturer of gaskets for segmental lining elements, to visit booth G122 More Information

Sandvik roadheaders for Confederation Line

Sandvik roadheaders for Confederation Line

Three Sandvik MT720 roadheaders will be used to excavate the 2.5 km-long tunnel on Ottawa’s 12.5 km-long Confederation Line. More Information

STUVA Conference 2013 in Stuttgart

STUVA Conference 2013, with the slogan ‘’Tunnels – Infrastructure for the Future’’ will be held at the Congress Centrum of Stuttgart from 27-29th November, 2013 More Information

New Irvington Tunnel excavated

On 08.10.2013 the final breakthrough for the 5.7 km-long New Irvington tunnel was recorded. More Information

Breakthrough at Steinbuehl

Breakthrough at Steinbuehl

On 30.10.2013 first breakthrough was accomplished on the 4.847 km-long Steinbuehl tunnel on the 15 km-long Wendlingen-Ulm section 2.2 at Stuttgart. More Information

Breakthrough in Abu Dhabi

On 08.10.2013 boring of the 41 km-long Abu Dhabi deep sewer tunnel was completed at internal diameters up to 5.5 m. More Information

News from Leeds

The third and final part of a major scheme to fix the Leeds Inner Relief Road can go ahead after the Department for Transport approved EUR19 million. More Information

Marmaray tunnel opens

The first tunnel to connect two continents has finally opened in Turkey. The Marmaray tunnel beneath the Bosphorus is the world’s deepest immersed tube at 55 m below sea level at its lowest point. More Information

ATS call for abstracts

Abstract submission deadline for next year’s Australasian Tunnelling Conference is 25.11.2013. More Information

Delhi metro start at INA

Delhi metro start at INA

DMRC has started TBM tunnelling Delhi metro from INA to South Extension on the Mukundpur-Shiv Vehar corridor as a part of its Phase 3 More Information

MineARC refuge chambers for tunnels

MineARC refuge chambers for tunnels

MineARC systems specializes in designing and custom building refuge chambers for the safe retreat of personnel engaged in tunnelling and underground construction. More Information

iPS in Middle East

iPS in Middle East

Barrie Willis, tunnelling manager with international recruitment agency iPS, is visiting the Middle East this week to discuss opportunities for various infrastructure and tunnelling projects in Qatar and elsewhere More Information

Femern A/S submission in Germany

Femern A/S has officially handed in its overall application for approval of the Fehmarnbelt Fixed Link in Germany. More Information

Toronto-York Spadina breakout

On 07.10.2013 TBM Yorkie broke through the headwall at the extraction shaft located on Highway 7, More Information

ILMEG products AB launches dust collector system

ILMEG products AB launches dust collector system

ILMEG develops, manufactures, markets and sells dust control systems for the construction, tunnelling and mining industries. More Information

Robbins’ VP Joe Roby on cutting tools

Robbins hopes to see you at stand 26 at the Queen Elizabeth II Conference Centre during the BTS conference in London from October 23-24th, More Information

New website for ES Rubber

New website for ES Rubber

Since 1968, ES Rubber has designed, developed and manufactured superior rubber solutions for global industries. More Information

Terratec delivers number six TBM

Terratec delivers number six TBM

TBM manufacturer Terratec has now delivered six of the eight TBMs ordered for Delhi Metro Phase 3. More Information

Tunnelling News

IN MEMORIAM - OLIVIER VION (1962-2024)

Through the past decades, the energy and foresight to lead the management of the ITA International Tunnelling and Underground Space Association has been in the hands of Olivier Vion, a man ... More Information

Amtrak awards construction contract for East River Tunnel rehabilitation

The $1.6 billion project calls for demolishing all existing tunnel systems down to the liner, then restoring both tubes. During the project, one tube ... More Information

Strabag in €110 million deal to equip transalpine tunnel

Austrian contractor Strabag has won a €110 million (US$120 million) to equip a transalpine tunnel linking Austria and Slovenia... More Information

19 tunnel boring machines for Manila subway set

A close-up of the tunnel boring machine head, with a diameter of 6.9 meters. ... The first cutter head of the first tunnel boring machine (TBM), named ... More Information

$16 billion Gateway Tunnel Project gets federal funding boost after years of delays

The $16.1 billion project includes a new rail tunnel linking New York and New Jersey — and is set to be open by 2035 ... More Information

Preferred bidder announced for second tunnelling contract

The global consortium of WeBuild S.p.A, GS Engineering and Construction Australia and Bouygues Construction ... Tunnel Project, North East Link ... More Information

Bechtel Picked as CM for $12.7B Single-bore BART Extension

Officials with the VTA are aiming to begin major construction and tunnelling for the $12.7-billion BART Silicon Valley Phase II Extension Project next ... More Information

Stonehenge could be put on world heritage danger list over tunnel plan

The United Nations Educational, Scientific and Cultural Organization (UNESCO) has recommended that Stonehenge be listed as ‘World Heritage in Danger’ due to the A303 upgrade scheme and is ... More Information

World’s longest railway tunnel to reopen after a year

The tunnel closed on 10th August last year following the derailment of a freight train, and SBB has since been pushing ahead with repair work... More Information

Afcons Infrastructure Wins Bid for Thane Tunnel Project

Afcons Infrastructure secures the L1 bid for a tunnel project in Thane, marking a significant milestone in infrastructure development. More Information

Kolkata Metro: D-Wall's Construction Work At Victoria Metro Station Is Advancing Swiftly

For the tunnelling work of the stretch from the Khidderpore to Park Street stretch of this Corridor, two Tunnel Boring Machines (TBM) will be deployed ... More Information

K2D Skøyen – Vækerø

Implenia has been awarded the contract for section K2D Skøyen - Vækerø, which is part of the entire Fornebu line that will be completed in 2030... More Information

Massey Tunnel replacement project hits design-build proposal stage

Tunnel replacement project has finally hit the design-and-build proposal stage. The Transportation Ministry announced Wednesday that three bid ... More Information

Barhale wins £36m East London sewer remediation

Thames Water has appointed Barhale to deliver essential remediation works on a Victorian gravity sewer as it passes above the Jubilee Line and Docklands Light Railway in East London... More Information

Reaping Rewards From Continuous Innovation

In boring underground tunnels for Malaysia's MRTs, Gamuda developed the world's first autonomous tunnel boring machine (A-TBM), utilizing in-house ... More Information

5 of the longest tunnels in the world and how they were built

Since the invention of the tunnel boring machine in 1853, engineers have used advanced technology to drill, blast, and bore into the earth. From ... More Information

Femern - inauguration of the first tunnel element

We are pleased to announce that H.M. King Frederik X will take part in the inauguration of the first tunnel element on the construction site on 17 June. H.M. King Frederik X will arrive at ... More Information

HOCHTIEF-MURPHY Joint Venture (HMJV)

A busy first half of the year on the HOCHTIEF-MURPHY Joint Venture (HMJV) Package 5 Headhouses & M&E contract on National Grid’s LPT Phase 2... More Information

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