Tunnelbuilder Promoting the world's tunnelling industry to a huge qualified audience

View the Spanish Tunnelbuilder website View the Italian Tunnelbuilder website

Archive - News

Featured News

Naples Line 6 reaches Municipio

Naples Line 6 reaches Municipio

On 23.11.2011 breakthrough was achieved on the Mergellina-Municipio section of Naples Line 6 when the Wirth EPB TBM reached the exit shaft in Municipio. Excavation of the 2,902 m-long, 8.25 m-diameter tunnel below the water table started in October, 2007. More Information

MoU signed for Belgrade metro

On 18.11.2011 a Memorandum of Understanding was signed between the city of Belgrade and Alstom Transport South Europe for construction of a new EUR1billion public rail transport system. A 15-month preliminary study by Egis Rails will determine the full technical and operational features of a 15 km line (L1) with 4.5 km underground and 25 stations. Located on the southern bank of the Danube, the Y shaped line will connect the central districts of the city, linking Ustanicka-Novi Merkator to Tvornicka on one branch, to Zelesnicka Stanica Novi Beograd on the other. More Information

Normet concrete sprayer debuts in Mexico

Normet concrete sprayer debuts in MexicoNormet introduced its new Alpha series diesel hydraulic mobile concrete sprayer, the Semmco Alpha 30, at the recent CIM mining convention in Acapulco, Mexico. ... More Information

Final breakthrough for T-Connection in Norway

Final breakthrough for T-Connection in NorwayOn 13.10.2011 final breakthrough for the 9 km-long undersea tunnel of Norway's T-Connection was safely achieved by contractor AF Gruppen AS. The project, ... More Information

Italian breakthroughs

Italian breakthroughsOn 24.10.2011 breakthrough was achieved on the north tube of the Collemaggio tunnel, located between km9.244 and km10.036 on the SS318. Two days later, another tunnel holed out ... More Information

Middle East Tunnelling 2011

Middle East Tunnelling 2011This event takes place at Oryx Rotana Hotel in Doha, Qatar on 12-14th December, 2011. The region is home to some of the most significant and innovative tunnelling projects ... More Information

Robbins EPB starts Baku metro drive

Robbins EPB starts Baku metro driveA 6.3 m-diameter Robbins EPB has commenced boring the Baku metro in Azerbaijan. Together with another similar EPB, the machine will bore parallel 3.5 km-long ... More Information

Higher costs for Blanka tunnel in Prague

Higher costs for Blanka tunnel in PragueSaturday 15.10.2011 was open day at Blanka road tunnel, part of the northwest section of the Prague ring road in the Czech Republic. The construction cost is ... More Information

Middle East Tunnelling 2011

Middle East Tunnelling 2011The MEED Middle East tunnelling conference takes place in Doha, Qatar on 12-14th December, 2011. It will provide attendees with the latest information on tunnelling ... More Information

Minova acquires SDA business

Minova acquires SDA businessMinova, part of Australian group Orica, has acquired the self drilling anchor business from Atlas Copco MAI of Feistriz, Austria. Minova International is the world's ... More Information

Amsterdam-Almere metro feasibility studies

Amsterdam-Almere metro feasibility studiesThree selected consortia have completed technical and economic feasibility studies for the prposed direct metro link between Amsterdam and Almere across the ... More Information

ZED gets prestigious achievement award

ZED gets prestigious achievement awardZED Tunnel Guidance Ltd has received the Queen's Award for International Trade. The award follows the company's outstanding achievement in international trade, ... More Information

Sluiskil tunnel construction started

Sluiskil tunnel construction startedOn 05.10.2011, after a period of preparatory work, construction of the east adit of the 1,330 m-long twin tube Sluiskil tunnel under the Ghent-Terneuzen Canal in ... More Information

Breakthrough in SS77 Belfiore tunnel

Breakthrough in SS77 Belfiore tunnelOn 26.09.2011 breakthrough was achieved on the South carriageway of the 1,101 m-long Belfiore tunnel on the SS77 Val di Chienti. For more click here and it/116. ... More Information

Road tunnels manual

Road tunnels manualThe 24th World Road Congress took place in Mexico from 27.09.2011 to 30.09.2011. During the congress, the new road tunnels manual was installed online in English and French. The ... More Information

Sandvik rigs winning in Rio de Janeiro

Sandvik rigs winning in Rio de JaneiroMain contractor Odebrecht is upgrading 25 km of main highway between Barra and Santa Cruz in the southern suburbs of Rio, including construction of the 1.1 ... More Information

Robbins at AFTES International Congress in Lyon

Robbins at AFTES International Congress in LyonFind out more about high cover tunnelling at Robbins' technical session on Wednesday, 19th October at the AFTES Congress in Lyon, France. Paper title: ... More Information

VMT opens branch office in US

VMT opens branch office in USThe current dramatic growth in the US tunnelling industry has resulted in VMT opening an office in Sumner, WA to service its clients more effectively. The new facility ... More Information

Contitech commitment to sustainability

Contitech commitment to sustainabilityContitech division of Continental is a leader in rubber technical elastomer products and plastics technology. The company has introduced its sustainability ... More Information

Montcada EPB completes its task

Montcada EPB completes its taskOn 28.09.2011, 11.7 m-diameter Herrenknecht EPB Montcada reached the exit shaft after a 3,017 m drive north-south at up to 50 m depth. Its 105 m-long back-up installed ... More Information

tunnelbuilder readership hits new highs

tunnelbuilder readership hits new highsSeptember was a good month for tunnelbuilder.com, with a weekday readership high of 1,586/day and a weekend high of 983/day. Daily average was 956, which rolls ... More Information

Thames tunnels to be bored by Herrenknecht TBMs

Thames tunnels to be bored by Herrenknecht TBMsHochtief/Murphy JV will use two Herrenknecht slurry TBMs to drive the 2 x 2.6 km-long x 6 m-diameter Crossrail Thames tunnels. This brings to eight the ... More Information

Cut/cover tunnel on the SS36 at Monza in Italy

Cut/cover tunnel on the SS36 at Monza in ItalyThe link road under construction between the SS36 and the Milan motorway network crosses the municipalities of Monza and Cinisello Balsamo, through ... More Information

Austunnel Partnering Success

Austunnel Partnering SuccessAustunnel supplies professional tunnelling personnel such as supervisors, TBM fitters/mechanics, electricians, PLC electricians, boilermaker/welders and TBM pilots. ... More Information

Tunnel design and construction

Tunnel design and constructionThe latest conference in the series takes place on 16-18 November, 2011 in Amsterdam. For full details of speakers visit Tunnel Design & Construction Europe. 39/11. More Information

South Tyrol Castelbello ring road decision

South Tyrol Castelbello ring road decision The competition for the construction of the 3 km-long Castelbello and Colsano ring on the SS 38 has been decided, and funds will be allocated in 2012. The ... More Information

Fire protection and safety in tunnels

Fire protection and safety in tunnelsThird annual international conference takes place October 11-12, 2011 in Salzburg, Austria. More from www.arena-international.com/fpst2011/index.html. 38/11. More Information

Going underground at IUT

Going underground at IUTThis week sees the sixth international underground and tunnel fair IUT taking place in the Hagerbach Test Gallery (VSH) near Sargans, Switzerland from 14-15 September. The ... More Information

Normet teams up with QME

Normet teams up with QMENormet and QME, a mining equipment company based in Ireland, have signed an agreement to develop their cooperation and service activities. QME, who have a long history in ... More Information

First TBM EPB ready for delivery to Panama metro

First TBM EPB ready for delivery to Panama metroPanama City's first metro line will involve the construction of a 6.4 km-long tunnel using two Herrenknecht 9,730 mm-diameter EPBs. The machines have ... More Information

Marble Road to open in 2012

Marble Road to open in 2012The Marble Road from Aurelia to Miseglia Bassa is complete except for the truck weighing and washing facility between Miseglia and Canaglie. Lot 1 Miseglia, including the ... More Information

Florence high speed rail tunnel schedule

Florence high speed rail tunnel schedule TBM Monnalisa, 9.364 m-diameter and 200 m-long, commissioned to Seli from the JV Coopsette/consortium Ergon Engineering and Contracting for the high speed ... More Information

Brazil high speed railway studies

Brazil high speed railway studiesBrazil's first 350 km/h high speed railway will run between Campinas, Sao Paulo and Rio de Janeiro, with airport statons at Viracopos, Guarulhos and Galeao. Total ... More Information

Putzmeister sets record at Lainzer

Putzmeister sets record at LainzerThe 12.3 km-long Lainzer tunnel in Vienna will connect the western and southern railway systems and the Donauldebahn railway, increasing capacity, and forming a ... More Information

Senior mechanical engineer vacancy

Senior mechanical engineer vacancyA client of iPS, the international personnel consultant, is seeking a senior mechanical engineer for planning and operation of large-scale projects. Duties ... More Information

Grand St Bernard safety tunnel

Grand St Bernard safety tunnelOn 31.07.2011 Lovat TBM Isabelle completed 2.9 km of the 5.8 km-long emergency tube of the Grand St Bernard tunnel. Construction of the 23 drill/blast cross passages at ... More Information

Page:

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