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Ganzstein closes Semmering gap

Ganzstein closes Semmering gapCompletion of the second 2.1 km-long tube at Ganzstein on the S6 Semmering Expressway will provide the final link on the motorway route between Lower Austria and ... More Information

Happy New Year for 2009!

Happy New Year for 2009!When we look back on 2008, we can be thankful that we work in the tunnelling industry, possibly the only part of the construction sector that is still largely intact. The ... More Information

Mont Sion tunnel opens to traffic

Mont Sion tunnel opens to trafficThe north stretch of the A41 highway between Villy-le-Pelloux/Saint-Martin-Bellevue and Saint-Julien-en-Genevois in the Upper Savoy region of the French Alps, ... More Information

VMT consolidates success in China

VMT consolidates success in ChinaHaving operated in China since 2006 as a service company supporting its TBM guidance systems, VMT has now achieved the official status of a Trading Company. So, ... More Information

California high speed rail programme management

California high speed rail programme managementThe proposed USD40 billion (US$1 = EUR0.72), 1,290 km-long California high speed rail system will serve San Franciso, Los Angeles and San Diego, with ... More Information

Recession lessons (5)

Recession lessons (5)"Just because we have a US$15 billion (US$1 = EUR0.72) budget deficit does not mean we should not have a high speed rail system. California should show leadership, and show the ... More Information

Halfway to Pinglu

Halfway to PingluAlpine Bau, a subsidiary of Spanish construction giant FCC, has reported that its Robbins hard rock double shield TBM excavating a EUR47 million section of the north main line of ... More Information

Palazzoli seeks commercial partner for Norway

Palazzoli seeks commercial partner for NorwayPalazzoli, a leading European industrial electrical equipment manufacturer with increasing activity in road and railway tunnels, is seeking a ... More Information

Engineering firms wanted

Engineering firms wantedArup, a global firm of designers, engineers, planners and business consultants is looking to source small and medium enterprises (SMEs) and black and minority ethnic ... More Information

Oraki diversion going well for Lovat

Oraki diversion going well for LovatContractor McConnel-Dowell has reported good progress on the 2.9 km-long Oraki Main Sewer Hobson Diversion project in Auckland, New Zealand where its Lovat TBM ... More Information

Recession lessons (4)

Recession lessons (4)"I am particularly proud to announce the adoption by the European Commission today of these 11 funding decisions totalling EUR1.7 billion. They will greatly contribute to making ... More Information

Underground Construction 2010 Prague

Underground Construction 2010 PragueConference Transport and City Tunnels co-organized by Slovak Tunnelling Association and Czech Tunnelling Association scheduled to take place from 14.06.2010 to ... More Information

New tunnel scaling rig from Atlas Copco

New tunnel scaling rig from Atlas CopcoAtlas Copco has launched a new version of its popular Scaletec scaling rig giving operators a stronger and faster scaling tool for use in tunnels. Click here ... More Information

Breakthrough in King County Brightwater Conveyance System

Breakthrough in King County Brightwater Conveyance System The Kenny, Shea, and Traylor Joint Venture has announced that "Luminita" their LOVAT RME229SE Series 22900 TBM has broken ... More Information

Three Robbins EPBMs to Improve Mexico City Drainage

Three Robbins EPBMs to Improve Mexico City DrainageMexico City, founded on what was once an island in the middle of a lake, is sinking at the rate of 10 cm (4 in) per year. Over the last 30 years, ... More Information

Breakthrough in King County Brightwater Conveyance System

Breakthrough in King County Brightwater Conveyance SystemThe Kenny, Shea, and Traylor Joint Venture has announced that "Luminita" their LOVAT RME229SE Series 22900 TBM has broken through and ... More Information

Banverket plans freezing at Hallandsas

Banverket plans freezing at HallandsasThe TBM advancing the east tube of the Hallandsas tunnel in southwest Sweden will enter the unstable Molle Back zone towards the end of 2009, some 1 km ahead of ... More Information

Daily bids and awards at tunnelbuilder.com!

Daily bids and awards at tunnelbuilder.com!After ten years providing weekly updates for our global readership, tunnelbuilder.com has now gone daily. This allows us to publish bids and awards much ... More Information

Your essential daily reports

Your essential daily reportsEvery daily report published at tunnelbuilder.com is numbered, dated and archived so that you can research the history of a project, region or country. We add all of the ... More Information

Sandvik jumbos for La Confluencia hydro in Chile

Sandvik jumbos for La Confluencia hydro in ChileMain contractor Hochtief-Tecsa JV is using six Sandvik DT 720C underground drilling rigs and three Sandvik DC300 surface rigs at the La ... More Information

Hangzhou metro tunnel collapse kills five

Hangzhou metro tunnel collapse kills fiveOn Saturday, 15th November, a wide section of road over the alignment of the 48 km-long No. 1 line of Hangzhou metro construction on Fengqing Avenue in ... More Information

Recession lessons (3)

Recession lessons (3)"Economic growth in China and India has contributed to lowering the impact of the financial crisis and will help recovery. The difficult trade-off is between managing inflation ... More Information

Robbins holes out at Race Course

Robbins holes out at Race CourseAfter five months of tunnelling, a 6.52 m-diameter Robbins EPBM working for Continental Engineering Corporation (CEC) and Soma JV has completed the first 1 km ... More Information

Recession lessons (2)

Recession lessons (2)"To create jobs and help the economy we will bring forward major infrastructure projects like London Crossrail."Rt Hon Gordon Brown, PM, Westminster, 12.11.2008. 46/08. More Information

Short course on rock mechanics, stability and design of tunnels and slopes

Short course on rock mechanics, stability and design of tunnels and slopesProfessor Dr-Ing W Wittke will lead this fifth 4-day course for 30 participants at WBI head office in Aachen, Germany from ... More Information

Robbins opens new Asia Pacific office

Robbins opens new Asia Pacific officeThe Robbins Company of Solon, Ohio has set up a Robbins Asia Pacific Pty Ltd office in Hong Kong to service East Asia, Middle East and Australia. The ... More Information

Piqueras tunnel finally opens to traffic

Piqueras tunnel finally opens to trafficAfter three years of delays due to unforeseen circumstances related to poor ground conditions, and the redesign of the route for environmental reasons, ... More Information

tunnelbuilder.com - your daily news!

tunnelbuilder.com - your daily news!Our new server and specially developed software now makes daily updating of tunnelbuilder.com feasible, allowing us to shave even more time off our publishing ... More Information

ANBEL offers personalized tunnelling solutions

ANBEL offers personalized tunnelling solutionsFor more than 40 years Italian company ANBEL has represented leading machinery and tunnel equipment manufacturers, offering personalized solutions to ... More Information

New energy carriers workshop

New energy carriers workshopL-surF Services, a grouping of Ineris, SP, STUVA and VSH is running a workshop "New energy carriers in tunnels and underground installations" in Frankfurt, Germany on ... More Information

Recession lessons

Recession lessons"Those companies that invest in their brands during a recession do better than those who don't.""Parts of the western world will show flat or declining GNP growth in 2009, but this ... More Information

Sokkia and Geodata team up

Sokkia and Geodata team upJapanese manufacturer Sokkia and Austrian company Geodata have joined forces to offer high performance solutions to all geodetic tasks in the field of tunnelling, ... More Information

Sandvik iSURE Drilling Software Revolutionises Professional Tunnelling

Sandvik iSURE Drilling Software Revolutionises Professional TunnellingOnly seamless interaction of drilled pattern, charged explosives and detonator delays can provide optimum excavation results in ... More Information

Sandvik Launches New DTi Series Tunnelling Jumbos

Sandvik Launches New DTi Series Tunnelling JumbosAt an official launch event on 8th-10th October in Helsinki and Tampere, Finland, Sandvik Mining and Construction has taken tunnelling performance to ... More Information

First International Congress on Railroad Crossing through the Central Pyrenees

First International Congress on Railroad Crossing through the Central PyreneesThe Spanish society of civil engineers and the trans-Pyrenean foundation organise in Saragossa, Spain the first congress ... More Information

Workshop "New Energy Carriers in Tunnels and Underground Installations"

Workshop "New Energy Carriers in Tunnels and Underground Installations"L-surF Services, the grouping of INERIS, SP, STUVA and VSH, organises on 20th November, 2008 at the InterCity Hotel in ... More Information

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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