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Southern section of Prague ring motorway opens

Southern section of Prague ring motorway opens On 20.09.2010 the Road and Motorway Directorate of the Czech Republic (RSD) opened the 23 km-long southern part of the Prague ring road. The section ... More Information

Bilbao Metro Line 3 Txurdinaga-Casco Viejo alignment

Bilbao Metro Line 3 Txurdinaga-Casco Viejo alignmentFrom the beginning of the stretch (km 3+400 to km.4+350) the design consists of a double-track tunnel 950 m long of 58 m2 in cross section. In the ... More Information

Line 3 for Bilbao metro

Line 3 for Bilbao metro The Txurdinaga-Casco Vejo section of Bilbao metro Line 3 More Information

Four tenders closing this week

Four tenders closing this weekAt this time of year, when tenders are thin on the ground as the system recovers from the northern hemisphere holiday season, every little counts. Our Live Bids section ... More Information

Innotrans 2010 opens in Berlin

Innotrans 2010 opens in BerlinToday sees the opening of the largest rail transport technology show to be held in Berlin. Innotrans 2010 features 2,242 exhibitors from 45 countries, and takes up the ... More Information

STUVA praise for transport tunnels

STUVA praise for transport tunnelsDr Roland Leucker, head of STUVA, observed at the opening press conference at Innotrans in Berlin that tunnels help to relieve the volume of traffic and improve the ... More Information

TAM and Normet acquire total control of TAM India

TAM and Normet acquire total control of TAM IndiaNormet and TAM have taken a further step towards their goal of total solutions provider for the construction sector by acquiring the remaining 50% of ... More Information

International Tunnelling Awards deadline extended

International Tunnelling Awards deadline extendedThe inaugural international tunnelling awards presentations take place in London on Wednesday, 8th December, 2010. Nominations are invited in ... More Information

Robbins enters slurry TBM market in China

Robbins enters slurry TBM market in ChinaThe Robbins Company will supply a 6.26 m-diameter slurry TBM to excavate the 2.7 km-long Zhanjiang Bay cross-sea tunnel that will carry fresh water to the ... More Information

Experienced TBM Operators and TBM Electricians urgently required

Experienced TBM Operators and TBM Electricians urgently required IPS is seeking experienced TBM Operators and TBM electricians for new contracts in Europe, starting as soon as possible. Contact ... More Information

Global Tunnel Conference-China 2010

Global Tunnel Conference-China 2010November 17-18 sees the Global Tunnel Conference-China event revisiting Beijing. The conference theme is based on new technologies, new equipment and new methods ... More Information

ES Rubber Industries for tailor-made sealing solutions

ES Rubber Industries for tailor-made sealing solutions ES Rubber offers the tunnelling industry tailor-made gasket solutions adjusted to specific projects. Together with Dr Werner Grabe with more ... More Information

Singapore Downtown alignment fixed

Singapore Downtown alignment fixedThe alignment of the third stage of the Downtown line connecting eastern suburbs of Singapore to Marina Bay has been revealed as 2 km longer than expected. The new ... More Information

Atkins to acquire PBSJ Corporation

Atkins to acquire PBSJ CorporationWS Atkins, the 11th largest design firm in the world, is to acquire PBSJ Corporation in an all-cash transaction, subject to regulatory and shareholder approvals. ... More Information

2010 TBM conference in London

2010 TBM conference in LondonThe TBM conference takes place on 28-29th October, 2010 at One Great George Street in the centre of London. An international team of prominent experts will discuss ... More Information

Crossrail qualification shortlists announced

Crossrail qualification shortlists announcedFor Contract 315, Connaught Tunnel, Crossrail has short-listed Vinci Construction, Hochtief-Murphy JV, BAM Nuttall, and VolkerFitzpatrick Barhale JV. For ... More Information

Thu Thiem immersed section complete

Thu Thiem immersed section completeObayashi has completed the immersed tube section of the 1.49 km-long Thu Thiem tunnel beneath the Saigon river on the east-west highway in Ho Chi Minh City. Each ... More Information

Chile mine rescue hole underway

Chile mine rescue hole underwayA Strata 950 raise borer capable of reaming up to 6 m-diameter holes over lengths of up to 1 km is drilling a 38 cm-diameter pilot hole some 702 m to a safe holing ... More Information

Melbourne desalination ant tunnels underway

Melbourne desalination plant tunnels underwayTwo Herrenknecht 4.8 m-diameter TBMs equipped with VMT guidance systems are at work on the fourth, and largest, desalination plant to be built in ... More Information

Normet global spares depot opens in Netherlands

Normet global spares depot opens in NetherlandsNormet Life Time Care has opened its global distribution centre for spare parts in Maarssen, The Netherlands with the objective of speeding deliveries ... More Information

City of Austin pre-bid meeting

City of Austin pre-bid meetingAll companies interested in bidding on the Waller Creek flood control tunnel and shafts project are invited to attend a vendor conference at 10.30h on 22.09.2010 in ... More Information

Shetlands tunnel manager appointment

Shetlands tunnel manager appointmentThe Shetland Islands Council in the north of Scotland is appointing a senior manager to oversee plans for four subsea tunnels over the next 20 years. The islands ... More Information

Sruwaddacon Bay tunnel alignment moved

Sruwaddacon Bay tunnel alignment movedShell has realigned the route of the proposed Corrib gas pipeline in County Mayo in order to avoid homes in the locality, and will reduce the gas pressure in ... More Information

Thames Water invites qualification

Thames Water invites qualificationThames Water Utilities Ltd is inviting organizations to qualify for its UK construction, operational and service registers, which form the basis for contract awards ... More Information

Tunnel Design & Construction comes to Switzerland

Tunnel Design & Construction comes to SwitzerlandThe inaugural Tunnel Design & Construction Europe conference tales place at the Crowne Plaza Zurich on October 25-28, 2010 following ... More Information

Catalogue of notable tunnel failures

Catalogue of notable tunnel failuresThe Civil Engineering and Development Department of Hong Kong SAR has updated its comprehensive catalogue of reported tunnel failures between 1964 and end-2008. ... More Information

Rosedale outfall commissioned

Rosedale outfall commissionedMcConnell Dowell contractors have commissioned the 3 km-long wastewater tunnel from Rosedale WWT plant to Wairangi Bay in Auckland, NZ. The 3.3 m-diameter Lovat RME131SE ... More Information

TBM tunnelling underway at Brisbane Airport Link

TBM tunnelling underway at Brisbane Airport LinkBoth Herrenknecht 12.45 m-diameter EPBs are now underway at the Airport Link tunnels in Brisbane, Australia. Starting from Clayfield in a westerly ... More Information

Bangalore Metro Rail tunnelling to start soon

Bangalore Metro Rail tunnelling to start soonWork has started on ramps and utilities diversion for the 3.4 km-long East-West underground section of Metro Rail alignment from MG Road to the Leprosy ... More Information

Self compacting concrete moulds from CBE

Self compacting concrete moulds from CBECBE Group has developed a unique method of segment production without vibration. During casting, the mould is inclined and self compacting concrete is ... More Information

CBE sponsors tunnelbuilder.com

CBE sponsors tunnelbuilder.comFrench group CBE, led by engineer Didier Lefebvre since 2005, has grown to208 employees at two major locations in Saint Avertin and L’Ile Bouchard, serving 30 ... More Information

Hindhead tunnel drivethrough

Hindhead tunnel drivethroughTen years after being let as a design/build contract, the 1.6 km-long twin tube A3 Hindhead tunnel in southeast England is set to open in summer, 2011. A ministerial ... More Information

Irish Rail names DART shortlist

Irish Rail names DART shortlistPrequalified construction consortia for Dublin's EUR2.5 billion DART underground railway have been named as BBI (Balfour Beatty Capital, BAM PPP Investments Ireland, ... More Information

EuroTAP reports on safety compliance failures in road tunnels

EuroTAP reports on safety compliance failures in road tunnelsRecent inspection of 26 tunnels in 13 countries under the European Tunnel Assessment Programme has revealed that almost 40% missed the ... More Information

Boomer arrives in style

Boomer arrives in styleRefurbishment of the Linth-Limmern hydro station is setting new standards in equipment design and delivery. Construction will take 250 workers nearly five years to complete ... More Information

International tunnel forum at InnoTrans 2010

International tunnel forum at InnoTrans 2010The international tunnel forum takes place 22-23 September, 2010 at InnoTrans, the transport technology meeting in Messe Muenchen, parallel with product ... 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