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TERRATEC TBMs delivering results in Thailand

TERRATEC TBMs delivering results in Thailand

With seven TBMs currently at work on major underground projects in Thailand, TERRATEC marks its latest milestone on Bangkok’s Orange Line metro project. Having delivered seven TBMs to Thai ... More Information

Tunnelling works begin for DTSS Phase 2

On  the 04.04.209 PUB, Singapore’s national water agency celebrated the launch ceremony of the first TBM for the EUR6.58 bn (SGD10 bn) Deep Tunnel Sewerage System (DTSS) Phase 2 project ... More Information

Last TBM starts for DMRC at Najafgarh

The last Tunnel Boring Machine (TBM) of DMRC’s current phase of construction started work today between Najafgarh and Dhansa Stand on the Dwarka – Najafgarh – Dhansa Stand ... More Information

Press release - Looking forward to Snowy 2.0

Press release - Looking forward to Snowy 2.0

Since the days of our pioneering past, we’ve grown and today we’re looking forward as we take on the energy challenges of tomorrow. Snowy Hydro operates the Snowy Mountains Scheme, ... More Information

Forrestfield Airport Link Update

Forrestfield Airport Link Update

A major milestone was celebrated at the beginning of April with all tunnel segments required for the 8km twin-bored tunnels produced. A total of 9098 rings - that's 54,588 segments - have been ... More Information

Come and meet Bekaert-Maccaferri at BAUMA 2019!

Come and meet Bekaert-Maccaferri at BAUMA 2019!

We love meeting you. So, come and visit our booth C3.241 and have a drink see this map for our location. We will be at the show from the 8th until the 14th of April 2019 in Munich, ... More Information

Major contractors appointed to build Cross River Rail

The Palaszczuk Government has announced the international consortia that have won the three major works packages for the Cross-River Rail Project in Brisbane. The Palaszczuk Government has ... More Information

Robbins at BAUMA

BAUMA is quickly approaching, we’re just a few days away from the world’s largest construction tradeshow. If you’ll be in Munich, Germany between April 8-14, visit Robbins at ... More Information

International Recruitment company iPS signed a personnel partnership with Jan de Nul

International Recruitment company iPS signed a personnel partnership with Jan de Nul

iPS Powerful People – a specialist in Recruitment & Cross- Border payroll services – has signed a new service contract for the provision of personnel services to Jan de Nul on April, ... More Information

Less than a month to WTC 2019!

Less than a month to WTC 2019!

It is less than a month before the beginning of the World Tunnel Congress 2019. This annual international event for the engineering sector is dedicated to underground construction. The congress ... More Information

Breakthrough on the South-Western section of the Big Ring Line

On April 4th 2019 in Moscow, the TBM Polina broke through at the Michurinsky Avenue Station in the south-western section of the Big Ring Line (BCL). The TBM had bored 1.5 km of tunnel from ... More Information

More funding to complete the Adelaide's North-South Corridor

More funding to complete the Adelaide's North-South Corridor

The Morrison and Marshall Governments have put EUR3.43 bn (AUD5.4 bn) on the table towards completion of the final 10.5 km section of the 78km North-South Corridor, between Darlington and the ... More Information

Filling and sealing the Battery Street Tunnel in Seattle

The SR 99 tunnel in Seattle opened to drivers on 04.02.2019. The tunnel and a new Alaskan Way street are designed to work together to replace the functionality of the viaduct. The tunnel provides ... More Information

Robbins – Why choose a crossover?

Robbins – Why choose a crossover?

Ground conditions don’t always fit into one category so why should your machine? Today’s TBMs must adapt to shifting geology from hard rock, to soft soil, to boulders, and everything ... More Information

PPS at BAUMA 2019

PPS at BAUMA 2019

Celebrating the third decade of PPS-Poltinger Precision Systems at BAUMA 2019. PPS have celebrated their 20th birthday in 2018 and we are starting the third decade with a series of product ... More Information

Femern A/S launches major construction works on the Fehmarn tunnel

The political parties behind the Fehmarnbelt Fixed Link project have decided to initiate a number of large construction activities in Rødbyhavn on Lolland. Femern A/S have been requested ... More Information

Blue M4 Metro Line

Blue M4 Metro Line

On the 25th of March the second of two TBMs excavating the tunnels of the Western Section (from S.Cristoforo to Solari), which is part of the Blue M4 metro line in Milan reached the Tolstoj Station. ... More Information

Voting underway to decide on name for first tunnel boring machine

Voting underway to decide on name for first tunnel boring machine

Sirius Minerals - The public have been invited to decide on the winning name for the first of three 1,800 tonne tunnel boring machines (TBM) that will construct Sirius Minerals’ underground ... More Information

Press release – Autopista al Mar 1

STRABAG: Financial close of its project “Autopista al Mar 1” in Colombia completed. USD 713 million project financing Seven international and one national bank are ... More Information

ITACET training courses at WTC 2019

Two ITACET training sessions will be organized on 3rd-4th May during WTC2019. • Tunnelling 4.0 information technology for the design, construction and maintenance of underground ... More Information

More than 25 000 moulds produced all over the world by CBE Group

More than 25 000 moulds produced all over the world by CBE Group

The French company can be proud of very satisfying production results for 2018 : CBE Group exceeds now 25 000 moulds manufactured by its French and Chinese teams since 1987. More Information

CIFA will see you at BAUMA!

CIFA will see you at BAUMA!

CIFA will be showing at BAUMA this year, they will be exhibiting as part of Zoomlion Heavy Industry group (outdoor area 905/2) and CIFA by Euromecc. They will be showcasing their leading products ... More Information

VMT at BAUMA press release

VMT at BAUMA press release

VMT will be 25 years old on the opening day of Bauma2019  VMT is crowning this anniversary with a series of product innovations to be presented for the first time at Bauma. They are the ... More Information

From paving local roads to pioneering the world’s greenest reinforced concrete: how one engineer solidified her career in tunnels

From paving local roads to pioneering the world’s greenest reinforced concrete: how one engineer solidified her career in tunnels

Carola Edvardsen is one of the world’s leading concrete experts, specialised in major international bridge, tunnel and marine projects. But getting to this point was no easy feat and she had ... More Information

Robbins EPB and Conveyors complete complex Lot 5 at Emisor Oriente

Robbins EPB and Conveyors complete complex Lot 5 at Emisor Oriente

Powerful TBM proves itself in both soft ground and hard rock.  On February 28, 2019 a ceremony was held to mark the breakthrough of a machine proven in both soft ground and hard rock. The ... More Information

West Gate Tunnel Project Graduate Program

West Gate Tunnel Project Graduate Program

The 2020 Graduate Program is now open for the Major Transport Infrastructure Authority. If you’re looking for an opportunity to get involved in Victoria’s Big Build in Melbourne ... More Information

Stockholm Metro extension

Stockholm is one of the fastest growing metropolitan regions in Europe. The population is increasing by 35,000 a year. Stockholm needs more housing and better public transportation and as a result ... More Information

TELT – approves call for tenders for French side of the tunnel

On the 11th of March 2019 the board of TELT, the Italian-French company building the tunnel for the Turin-Lyon high-speed rail link, approved the call for tenders for the tunnel, on the French ... More Information

Cool Reflections for Overheating Metros!

Cool Reflections for Overheating Metros!

“Why paint trains with high-performance solar reflective paint ..... .....and fit low emissivity glass windows?” (N.B. The focus of this document is on mixed surface and sub-surface ... More Information

Bergen Point WWTP TBM ready to be shipped to New York

Bergen Point WWTP TBM ready to be shipped to New York

The existing outfall pipe at the Bergen Point Waste Water Treatment Plant (WWTP) in Babylon, Suffolk County, NY, has to be replaced. A 4.33 km (14,200-foot) tunnel, with a 3.05 m (120-inch) inner ... More Information

Sanierungstunnel Belchen - Bi-Component Mixing Plant

Sanierungstunnel Belchen - Bi-Component Mixing Plant

The Belchen Tunnel, built in the 1970s, had to be rehabilitated due to damage to the tunnel support structure. In order to keep the traffic restrictions to a minimum, the Belchen rehabilitation ... More Information

Beyond Tunnelling - a manifesto for national action groups

Through the initiative of ITACUS, THINK DEEP groups have been established in recent years or are in the process of being established in several countries. These groups aim at raising awareness of ... More Information

Westgate update

Assembly is underway on the first of the two TBMs that will build the West Gate Tunnel, the Victoria’s alternative to the West Gate Bridge. It will take around 75,000 working hours to assemble ... More Information

Swiss Tunnel Database

Are you interested in finding out comprehensive information about all the tunnels that have been built in Switzerland? Use this link ... More Information

EnigmaCG’s Tunnels 10x10x10

EnigmaCG’s Tunnels 10x10x10

EnigmaCG’s Tunnels 10x10x10 The number 10, for EnigmaCG symbolises us being10 years old. For you it means the first 10 Delegates get a 10% discount for the 4th Annual Innovation in ... More Information

TELT - February

TELT - February

The excavation of the French Saint-Martin-la-Porte construction site (SMP4) with the Fedrica TBM exceeded 77% of the 9 km planned by the end of February. Also in February, the target of 30 m/day ... 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