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Markovec road tunnel holed

On 14.05.2012 Alpine Bau GmbH broke through the 2,174 m-long left tube of the Markovec bi-tube tunnel on the motorway More Information

ERMCO 2012 Congress for Verona

The XVI International ERMCO Congress, returning to Italy after 26 years, will be in Verona from June 21st – 22nd. More Information

Listec fire detection at Rome metro

The Listec RDU 316 Remote Display Unit is reassuring for Rome metro tunnel operations. More Information

World Tunnel Congress 2012

WTC is taking place in Bangkok, Thailand from 18th to 23rd May. Congress theme is Tunnelling and Underground Space for a Global Society. More Information

Trigoni tunnel on SS106 Jonica

Trigoni tunnel on SS106 Jonica

On 11.05.2012 Cipa SpA broke through the north tube of 840 m-long Trigoni tunnel, lot DG22 of SS106 More Information

Grizzana tunnel on Variante di Valico

Grizzana tunnel on Variante di Valico

On 02.04.2012 the south tube of Grizzana tunnel on the La Quercia-Lagaro section lot 5 of Variante di Valico broke out. More Information

Work begins on Gilon tunnel

On 23.04.2012 the JV Danya Cebus/China Civil Engineering Construction Corp (CCECC) began work on a 4.6 km-long twin-bore tunnel at a depth of 100 m More Information

Robbins foursome at Nanjing metro

Robbins foursome at Nanjing metro

Four Robbins 6.5 m-diameter EPBs with mixed-ground cutterheads have been successfully launched and brought up to speed on two lines of the Nanjing metro in Jiangsu province of China. More Information

Renovation of Leopold II tunnel for 2014

The Brussels Regional Government has given the go-ahead for the renovation by a Private Public Partnership of the 2.5 km-long Leopold II road tunnel More Information

Doha Metro starts in 2013

Qatar Railways Company (QRail) has invited some five tenders for the first phase of the metro rail transit system in the country More Information

CIFA to unveil telescopic shotcrete boom

CIFA to unveil telescopic shotcrete boom

At the World Tunnel Congress 2012 in Bangkok, Thailand 18-23 May, CIFA, a company in the Zoomlion Heavy Industries Group, will present the new CST 8.20 shotcrete jumbo with telescopic boom designed specifically for applications in small size tunnels and mining drives More Information

A4 Delft-Schiedam motorway start

Construction of the A4 Delft-Schiedam motorway commenced on 26.04.2012 under a EUR298 million design and construction contract awarded last year to consortium A4ALL, comprising Boskalis, Heijmans and VolkerWessels. More Information

Malta-Gozo road tunnel options

Malta-Gozo road tunnel options

In July, 2011 Transport Malta appointed Mott Macdonald to carry out a preliminary analysis of road tunnel link options between Malta and Gozo. A fixed link would reduce average journey times by at least 40 minutes. More Information

Emcor requires more agents in Europe

Emcor has 30 years of experience in the manufacture and supply of machines and consumables to the underground sector, helping Spanish tunnelling contractors to become the most efficient in the world. More Information

Global reach by Sandvik

Sandvik provides comprehensive tunnelling and underground civil engineering equipment and expertise across a range of methods including drill/blast, mechanical cutting and breaking. More Information

Funding for Madrid-Galicia HSR

Funding for Madrid-Galicia HSR

Funding of EUR927.41 million including VAT has been approved for work on four sections, in Zamora and Ourense provinces, More Information

More exposure at tunnelbuilder.com

That the tunnelling industry is growing can be measured by the steady increase in bids and awards reported at tunnelbuilder.com More Information

Robbins’ progress in Mexico City

Robbins’ progress in Mexico City

Three 8.93 m Robbins EPBs with continuous conveyor systems are tunnelling from shafts up to 150 m deep through watery clays and large More Information

New record for Sparvo TBM

The 15.62 m-diameter EPB Martina, built by Herrenknecht for the 2.5 km-long twin-tube Sparvo tunnel on Italy’s Variante di Valico project More Information

2013 Strait Crossings conference for Bergen

The sixth international conference, dealing with extreme crossings and new technologies, takes place in Bergen, Norway on 16-19 June More Information

SS77 Sostino tunnel completed

On 03.04.2012, breakthrough was achieved on the 2,834 m south tube of the SS77 More Information

Intermat in Paris

Time to order your visitor badge for Intermat, the international exhibition for equipment and techniques for the construction and materials industries taking More Information

NAT 2012 registration

Registration is now open for the upcoming NAT conference and exhibition scheduled for Indianapolis, 24-27th June, 2012. More Information

New breakthrough on SS77

New breakthrough on SS77

On 26.03.2012, breakthrough of the 3,472 m south tube was achieved on the SS77 Varano tunnel in Serravalle del Chienti municipality More Information

Kiora TBM rescued

The 19.8 km-long Kiora tunnel for the Yin Hong Ji Shi water diversion project in Tabai County of Shanxi Province comprises 8.7 km drill/blast and 11.1 km TBM drive. The drill/blast section has been completed, but the double shield TBM became trapped in poor ground after driving just 6 km. More Information

Breakthrough in Slovenia

The contract to build the twin-tube Markovec road tunnel was awarded to Alpine and its Slovenian partner CPM (Cestno podjetje Maribor) in 2009, but CPM went into receivership in February, 2011 More Information

Hard task in Korea for new Sandvik rig

A Sandvik DT1130i three-boom drill rig, one of the new series from Sandvik, is being employed by Taeah Construction to excavate 2.4 km of the Gwanak highway tunnel south of Seoul. More Information

North American Tunneling 2012 for Indianapolis

The prestigious biennial conference North American Tunneling will take place 24th-27th June, 2012 at the JW Marriott in Indianapolis, IN, US, organized by Underground Construction Association of Society Mining, Metallurgy and Exploration Inc (UCA of SME). More Information

Mergellina-Municipio Wirth EPB extracted

Extraction of the Wirth EBP and backup will be completed end-March following construction of the Mergellina-Municipio section of Line 6 metro in Naples. More Information

News from Adfil

Andrew Kitchen, GM at Adfil Construction Fibres, is headlining the company newsletter for March, 2012. More Information

Crossrail shortlists C610 qualifiers

Crossrail has declared five organizations are shortlisted for contract C610: Alstom Transport/TSO/Costain Ltd JV; Balfour Beatty Rail Ltd; BAM Nuttall/Ferrovial Agroman/ Kier Construction JV; Laing O’Rourke Construction/Volker Rail More Information

Matrican injection moulds for tunnels

Cantabrian manufacturer Matrican, with more than 40 years experience in the design and production of customized thermoplastic injection moulds, More Information

Rapallo-Fontanabuona presentation

On 23.03.2012 the preliminary design for the link between Val Fontanabuona and the A12 Genova-Rome was presented by Spea Engineering Europe Spa. More Information

Robbins successes at Sochi

Robbins successes at Sochi

Two Robbins double shield TBMs have been working at the Sochi 2014 Winter Olympics site in Russia in complex geology with multiple fault zones. More Information

Fehmarnbelt project briefing

Around 500 participants from 17 countries met up in Copenhagen on 21.03.2012 for briefing on the construction of the 18 km-long tunnel under the Fehmarnbelt to link Germany and Denmark. More Information

Safety of life in tunnels

The international conference SOLIT takes place in Berlin, Germany on 27-28 June, 2012 with a focus on integration of fire fighting systems. 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