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

Breakthrough in Col Cavalier tunnel in Italy

Breakthrough in Col Cavalier tunnel in Italy

On 31.07.2012 breakthrough the Col Cavalier tunnel in Belluno municipality (BL). The tunnel is 1,826 m long, of which 210 m in cut/cover, is part of the upgrading of a large section of SP1 Left Piave. More Information

Robbins EPB reaches Singapore DTL3

The new Robbins TBM EPB Tierra has reached Singapore from Shanghai, where, on 28-29th June it had been accepted by LTA (Land Transport Authority) and CMC. More Information

Sparvo mega-breakthrough

Sparvo mega-breakthrough

On 27.07.2012 the 15.62 m-diameter TBM Martina (EPB S-5) broke through the 2,564 m northbound tube of the Sparvo tunnel on Italy’s Variante di Valico project. More Information

IPS gains OHSAS certification

Crewing and recruitment agency iPS is newly OHSAS certified and compliant with international standards for safety management. More Information

Putzmeister buys Intermix

On 19.07.2012, Putzmeister acquired Intermix, one of Europe’s leading manufacturers of truck mixers and special mixers, with an annual output in the order of 800 units. More Information

Morazzone tunnel on Pedemontana Lombarda

The consortium Pedelombarda Scpa, comprising Impregilo (leader), Astaldi, Pizzarotti and ACI secured the Section A of the Pedemontana Lombarda and the first lots of the Varese and Como bypasses. More Information

TUCA Open Day

TUCA is the Tunnelling & Construction Academy in London, which iPS supports. iPS is a supplier of specialized tunnelling personnel for Crossrail and other projects. More Information

35 years with Herrenknecht

In 1975 Martin Herrenknecht set up on his own as an engineer, and two years later founded Herrenknecht GmbH in the tiny hamlet of Schwanau, Germany. More Information

Bentley - Be Inspired Awards 2012

Bentley's annual Be Inspired Awards programme is a competition open to all users of Bentley software for sustaining infrastructure. More Information

Robbins goes deep in Mumbai

Robbins goes deep in Mumbai

A Robbins 6.25 m-diameter main beam TBM is making good going in basalt over 100 m beneath the streets of Mumbai to install 8.3 km of much-needed replacement water main. More Information

East European tunnelling conference

The first East European tunnelling conference takes place in Budapest on 18-21st September, 2012. More Information

Italian road tunnels break through

On 05.07.2012 excavation was completed at the 990 m-long Cerzone tunnel (km 4,500 - km 5,450) on the road bypass to the SS 212 between Pietrelcina junction and San Marco dei Cavoti interchange in Italy’s Benevento province. More Information

CEAR moves admin and production across Milan

Costruzioni Elettrotecniche CEAR moved to new administrative and production facilities at Gessate (Milan) in June, 2012. More Information

CIFA sponsor of the XVI ERMCO congress

CIFA, a company in the Zoomlion Heavy Industries Group, sponsored the XVI ERMCO Congress held in Verona on 21-22nd June, 2012. More Information

Second Gotthard road tunnel agreed

The Swiss government has decided to build the second Gotthard road tunnel to facilitate refurbishment of the existing 16 km-long single tube, More Information

Saverne first tube sees daylight

Saverne first tube sees daylight

On 19.06.2012 10 m-diameter Herrenknecht TBM Charlotte broke through the 4 km-long east-west tube of Saverne tunnel, after seven months of work, during which average advance was 20 m/day. More Information

NFM EPB for Moscow metro

NFM Technologies has received an order for a 6.6 m-diameter earth pressure balance TBM to drive a section of the second circular line of Moscow metro. More Information

Fehmarnbelt project new time schedule

The prequalification process will still start this year, even though the planning of the fixed link across the Fehmarnbelt will take one year more than expected. More Information

Brussels airport line opens

On 7 June King Albert II inaugurated the new Diabolo railway infrastructure and reached by train the new Brussels Airport station. More Information

ITA global perspective

ITA has produced a video dealing with urban tunnelling at a time when it is estimated that migration will result in 70% of the world’s population living in cities. More Information

Geofluid international exhibition at Piacenza

Geofluid, the biannual international show specialised in subsoil fluid prospecting extraction and transport, geological and geophysical drilling, deep foundations, no-dig technology and construction of tunnels More Information

New locomotives from Mining Equipment

New locomotives from Mining Equipment

Thirty years’ experience in locomotive rebuilding has given American specialist Mining Equipment a unique insight into the requirements for successful operation in the rigorous tunnelling environment. More Information

Grand St Bernard safety tunnel complete

Grand St Bernard safety tunnel complete

On 06.06.2012 consortium Condotte Cossi completed TBM excavation of the emergency tube of the Grand St Bernard tunnel. The 5,760 m-long drive, lined with precast concrete segments, was completed in 18 months. More Information

Florence high-speed rail tunnel

Florence high-speed rail tunnel

Nodavia, a JV of Coopsette and Ergon, secured the EUR709 million contract for the Florence high-speed rail tunnel and station. More Information

Normet buys out TAM

Two years after acquiring a strategic 40 percent shareholding in TAM International, Normet has now proceeded to full ownership. More Information

Robbins trio at Pahang-Selangor

Three Robbins 5.23 m-diameter hardrock TBMs are returning fast advance rates in widely varying rock strengths and water More Information

CAT TBM holes out in London

Some 32 km of cable tunnels, 14 shafts and four connecting tunnels with associated chambers are under TBM construction by Costain between Hackney and Willesden (3 m-diameter) and between Kensal ... More Information

Bentley software solutions

Bentley Systems Inc provides comprehensive software solutions for sustaining infrastructure from buildings to bridges, transit to utilities, and clean energy to clean water. More Information

CEAR electrical and automation

Costruzioni Elettrotecniche CEAR has thirty years experience supplying electrical and automation solutions to main contractors worldwide in the construction, More Information

Excavation of Olabarrie tunnel starts

On 23.05.2012 excavation of the 1,102m Olabarrie tunnel started, including the 75 m section in cut/cover at the adit. More Information

Shift engineer required

Shift engineer required

iPS is currently looking for a shift engineer whose responsibilities will include supervision of shifts, monitoring TBM operating parameters, More Information

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

Tunnelling News

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


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

Morocco’s proposed $13 billion underwater tunnel to connect Europe to Africa by 2030s

An historic intercontinental rail link is aiming to link Europe to Morocco with an ambitious underwater tunnel. The Moroccan National Company for Strait Studies (SNED) announced last ... More Information

Government set to fund £1bn final HS2 London tunnel drive

The project was halted as part of Prime Minister Rishi Sunak’s £6.5bn cost-cutting plan announced last October. This involved axing phase 2 to Manchester and finding a private investor ... More Information

HS2 Project Update, May 2024

Our Victorian railways have carried us successfully through history, but with passenger numbers continuing to rise, investing in new, modern railway lines like HS2 is the key to meet the ... More Information