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Seven Service in UAE tunnel

Seven Service in UAE tunnel

Seven Service has delivered its first rotary washer to Abu Dhabi (UAE): 576 m - 72 m underground and 504 m above ground - in the Al Salam tunnel. Seven Service, after the acquisition of contracts in ... More Information

Sandvik quarry seminar

Sandvik quarry seminar

Sandvik Construction Russia, together with official distributor Quarry-Service, recently held a highly successful Quarry Seminar located in Yekaterinburg. It was focused on the drilling and blasting ... More Information

Karavanke dualling

Karavanke dualling

On 14.04.2015, at Bruck an der Mur, Austria, the Slovenian and Austrian state motorway companies signed an agreement on the construction of a second tube of the 8 km-long Karavanke tunnel linking ... More Information

HST Tokyo to Nagoya

HST Tokyo to Nagoya

At the beginning of April a Japanese magnetic levitation train broke its own world speed record, hitting 603 km/h. The test marks the end of high-speed test runs to decide the best operational speed ... More Information

Rome B1 metro complete

Rome B1 metro complete

On 21.04.2015 Salini Impregilo SpA completed and handed over to the city of Rome the last section of line B1 of the Rome Metro stretching from the Conca d'Oro station to the Jonio station. The Jonio ... More Information

WTC technical visits

WTC is offering four interesting technical visits that will take place after the closure of the congress: Underground structures of HPP Zakucac and HPP Peruca - on 28.05.2015 Underground ... More Information

Evergreen line TBM maintenance

Evergreen line TBM maintenance

In British Columbia, Canada the Evergreen Line is being driven by TBM Alice, named for Alice Wilson, born in 1881 in Cobourg (Ontario) and the first woman to hold a professional position at the ... More Information

Sunset Tunnel renovation

Last month the San Francisco Municipal Transportation Agency (SFMTA) began replacing the ageing track and other infrastructure inside the 1,290 m Sunset Tunnel to improve safety and reliability of ... More Information

Call for Abstracts

All authors are invited and encouraged to submit their maximum 300 words abstracts for consideration and inclusion in the Scientific Programme for Underground Construction Prague 2016. All abstracts ... More Information

Toronto-York Spadina plan

In Canada, the TTC Board approved a plan to complete the Toronto-York Spadina Subway Extension (TYSSE) project by the end of 2017. Tunnelling with the four TBMs was completed 18 months ... More Information

Eglinton Crosstown TBMs move

Eglinton Crosstown TBMs move

Over the weekend of April 17-20, 2015 the TBMs Dennis and Lea involved in the construction of the Eglinton Crosstown light rail transit line in Toronto, Canada will be lifted out of the extraction ... More Information

Improving rail links to Heathrow

A new direct rail link connecting the west to Heathrow will improve passenger journeys to the UK’s busiest airport and help to increase economic productivity across the Thames Valley. Network ... More Information

Sandvik DT1131i jumbo in Korea

Sandvik DT1131i jumbo in Korea

A new high speed railway is being constructed in Korea to link Wonju and Gangneung as part of an extensive infrastructure programme for the 2018 Pyeongchang Winter Olympics. Gusan Construction has ... More Information

New Sandvik Construction website

New Sandvik Construction website

Sandvik Construction has launched a brand new website to provide customers with information tailored to their specific requirements. To view, visit www.construction.sandvik.com. 15/15. More Information

Parallel Thimble Shoal tunnel

The Parallel Thimble Shoal Tunnel Project in Virginia, US currently includes the following elements of design and construction: approximately 1,740 m of two-lane tunnel connecting previously ... More Information

Robbins system in Indianapolis

Robbins system in Indianapolis

On 05.03.2015 a Robbins 6.2 m-diameter Main Beam TBM completed boring a 2.8 km-long extension tunnel, known as the Eagle Creek Tunnel, for the Indianapolis Deep Tunnel System in Indiana, USA. The ... More Information

Turkey Expositions

Tunnel Expo Turkey takes place in Istanbul 27-29th August, 2015. The Expo parallels a concurrent Mining Expo, and also hosts a tunnelling short course. Read the prospectus and visit ... More Information

Delaware-Rondout Aqueduct Bypass Tunnel

The Department of Environmental Protection (DEP) will build a 4.02 km-long bypass tunnel around a leaking portion of the Delaware-Rondout aqueduct in New York. Other leaks in the Town of Wawarsing, ... More Information

Robbins webinar 1-2015

Robbins webinar 1-2015

The first Robbins webinar of the year is scheduled for 15th April, 2015. Webinar Details: Title:  A Myth Dispelled: In Difficult Ground, the Time for Drill & Blast Excavation has ... More Information

Terratec in Laos

Terratec in Laos

A Terratec 5.74 m-diameter double shield hardrock TBM has started boring and lining 11.3 km of a hydro tunnel in Laos. Read the press release and visit www.terratec.co. If you have not yet read ... More Information

Robbins top stories

Robbins top stories

Robbins year-end edition of its Underground Innovations newsletter reviews 2014/2015 projects in the article Up for the Challenge. Read the newsletter and visit www.TheRobbinsCompany.com. 14/15. More Information

Northgate link extension

Northgate link extension

On 17.03.2015 TBM Brenda broke through the north wall at the future Roosevelt Station of the Northgate Link Extension in Seattle, US. The EUR2 billion Northgate Link Extension will connect ... More Information

Southbound Ceneri holing

Southbound Ceneri holing

On 30.03.2015, the final breakthrough in the south-bound east tube of the Ceneri Base Tunnel linked Sigirino with the south adit at Vezia, some five years from the first blast by Consortium ... More Information

Ceneri breakthroughs

Ceneri breakthroughs

On 17.03.2015, thirteen months ahead of schedule, the first breakthrough to the south took place in the southbound west tube of the Ceneri Base Tunnel. The deviation was extremely small, only 2 cm ... More Information

London Power Tunnels completion

London Power Tunnels completion

On 11.03.2015 TBM Evelyn broke into the shaft at Kensal Green bringing to an end the tunnel construction phase of the London Power Tunnels project, the  longest single tunnelling contract in ... More Information

BBT tunnels approved

On 24.03.2015 the Province of Bolzano approved the project for the construction of the main tunnels of the Brenner Basis Tunnel (Lot Mules) and confirmed the requirements for environmental ... More Information

Joint statement on cross alpine corridors

Joint statement on cross alpine corridors

On 20.03.2015, at Innsbruck, the joint statement on cross alpine corridors was signed. The Austria, Germany, France, Slovenia, Switzerland and Liechtenstein ministers of transport signed an European ... More Information

Cifa at Intermat 2015

Cifa at Intermat 2015

CIFA is further widening the Carbotech range truck-mounted pumps that, thanks to new high-performance materials, feature longer booms while still respecting weight limits. Two more models will be ... More Information

TBM Victoria arrival

TBM Victoria arrival

London Crossrail TBM Victoria, named after Queen Victoria who oversaw the birth of modern railways, has successfully broken in to the eastern end of Liverpool Street Crossrail station. The ... More Information

Follo Line award

Follo Line award

Acciona (Spain) in partnership with Ghella (Italy) have been named preferred bidders by the Norwegian National Rail Administration to design and build the 19 km-long twin tunnels of the Follo Line ... More Information

Project Managers for Norway

Project Managers for Norway

International tunnelling recruitment specialist iPS is seeking managers, planners and QS for a tunnel project in Norway, starting immediately and with two-year duration. ... More Information

19 TBMs drive Delhi Metro

Some 19 TBMs are currently engaged in constructing tunnels of Phase 3 of Delhi Metro, where 74 separate tunnelling drives are planned. Around 41 km of tunnelling and 33 tunnelling drives have been ... More Information

Terratec’s 25th anniversary

Terratec’s 25th anniversary

Terratec was incorporated in Australia in 1990 to satisfy the local market for TBMs and RBMs. Since then, the company has expanded its sales coverage into China, South East Asia, India, Europe and ... More Information

Lafontaine protection

Lafontaine protection

The1.8 km-long Louis-Hippolyte-La Fontaine Tunnel in Montreal is the only underwater tunnel in Quebec. Opened in 1967, the tunnel connects the south shore of the Saint Lawrence River to the Island ... More Information

Ahrental work starts

The Brenner Base Tunnel, the 64 km-long heart of the new Brenner rail line between Munich and Verona, is progressing apace, with work starting on the Ahrental main tunnel in Austria. Many important ... More Information

Seymour-Capilano completion

The Twin Tunnels project on the North Shore is nearing completion near Vancouver, Canada. Two tunnels, 3.8 m in diameter and 7.1 km long, have been constructed beneath Grouse Mountain and Mount ... 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