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Lake Mead Intake No. 3 to receive Tunnel Achievement Award at 9th Annual Breakthroughs in Tunneling Short Course

Lake Mead Intake No. 3 to receive Tunnel Achievement Award at 9th Annual Breakthroughs in Tunneling Short Course

The Lake Mead Intake No. 3 project has been selected as the winner of the 2016 Tunnel Achievement Award for Project Excellence. The award is presented annually at the Breakthroughs in Tunneling ... More Information

Three-level tunnel under Bosphorus Strait

Three-level tunnel under Bosphorus Strait

Transport, Maritime Affairs and Communications Minister Ahmet Arslan announced the preliminary qualification process, for technical and financial offers regarding the research bid for a three-level ... More Information

Work commences on India's longest rail tunnel

Work commences on India's longest rail tunnel

On 30.07.2016 the  Union Railway Minister Suresh Prabhakar Prabhu laid the first foundation for the Imphal Railway Station at Yurembam Awang Leikai. This is located 13km southwest of Imphal ... More Information

tunnelbuilder welcomes Eternal Metal!

tunnelbuilder welcomes Eternal Metal!

Tunnelbuilder would like to welcome Eternal Metal as the latest advertiser on our websites. Eternal Metal are builders of products for the tunnelling and mining industries, their main products ... More Information

Latest Dätwyler newsletter now available

Latest Dätwyler newsletter now available

For the latest information from Dätwyler please read their newsletter or you can visit their website http://www.datwyler.com/en/home/ .30/16. More Information

Agenda set for 9th Annual Tunnelling Short Course

Agenda set for 9th Annual Tunnelling Short Course

The agenda has been set for the 9th Annual Tunneling Short Course, course organizers announced. The Tunnelling Short Course – titled “Breakthroughs in tunnelling” – is being ... More Information

Chenani-Nashri tunnel will open in August

Constructed at a cost of Rs 2,519 crore, the Chenani-Nashri tunnel on Jammu-Srinagar National Highway is to be inaugurated by Prime Minister Narendra Modi in August. When the tunnel is fully open ... More Information

Lyon-Turin TBM Federica launched

Lyon-Turin  TBM Federica launched

On 21.07.2016 French Prime Minister, Manuel Valls, launched the  NFM, TBM named Federica, at Saint Martin la Porte. The 2400 t TBM will drive a 9 km survey tunnel towards ... More Information

Revised proposals for the construction of Parallel Thimble Shoal Tunnel submitted

Revised proposals for the construction of Parallel Thimble Shoal Tunnel submitted

On the 15.07.2016 the Chesapeake Bay Bridge and Tunnel Commission announced that the revised technical proposals were submitted from all three teams in the competitive procurement to construct a new ... More Information

BTS 2016 - registration now open

BTS 2016 - registration now open

Be part of the UK's largest tunnelling and excavation event - Registration is now open for the 2016 British Tunnelling Society exhibition, which returns to the prestigious QEII Conference Centre in ... More Information

16th International Water Mist Conference Programme is out now

16th International Water Mist Conference Programme is out now

This year’s International Water Mist Conference will take place in Vienna, Austria on the 21st and 22nd of September 2016. The venue will be the Arcotel Wimberger Wien. As of today, the ... More Information

First breakthrough of Norway’s longest tunnel

First breakthrough of Norway’s longest tunnel

On 07.06.2016 at 16:00 the construction company Società Italiana per Condotte d'Acqua, Jernbaneverket and Amberg Technolgies celebrated the first breakthrough of a 20 km tunnel which is one ... More Information

Isarco River construction update

Isarco River construction update

On the 12.07.2016 the groundbreaking ceremony was held for the main works for the Isarco River Underpass construction lot. This is at the southernmost part of the Brenner Base Tunnel just before the ... More Information

Green light for the Ringerike Line and the E16

Green light for the Ringerike Line and the E16

The Norwegian Government has asked Jernbaneverket and the Norwegian Public Roads Administration to start planning the Ringerike Line and the new four-lane motorway on the E16 from Hogkastet across ... More Information

Terratec securing new orders throughout 2016 and 2017

Terratec securing new orders throughout 2016 and 2017

In the first half of this year, TERRATEC has secured orders for the supply of 7 TBMs around the globe. In Turkey the joint venture formed by Turkish Companies Senbay, Kolin and Kalyon has ordered 2 ... More Information

Northgate Link extension complete

Northgate Link extension complete

On the 14.06.2016 tunneling contractor JCM re-launched TBM1 from the U District Station site to the University of Washington Station. The TBM has been refurbished after finishing the northbound ... More Information

Klokova Tunnel Breakthrough

Klokova Tunnel Breakthrough

On the 23.06.2016 the right tube of the twin tubed Klokova tunnel (2.9 km) broke through on the Ionia Odos A5 motorway. The new motorway tunnel has been built by using explosives and 2 hydraulic ... More Information

Environment Effects Statement process for Melbourne Metro

Melbourne Metro Rail Authority (MMRA) has received authorisation from the Minister for Planning to exhibit the Environment Effects Statement (EES) for public review. The Metro Tunnel EES and draft ... More Information

SR99 update

SR99 update

On 23.06.2016 Seattle Tunnel Partners (STP) with the SR 99 TBM Bertha, reached 940 m or one-third of the total bored tunnel length. So far they have installed 466 concrete tunnel rings. STP ... More Information

Expotunnel in Bologna

Expotunnel in Bologna

Expotunnel will be held in Bologna, Italy from the 19th until the 21st of October 2016. Expotunnel will dedicate one day of its international conference and program to the Gotthard Base Tunnel. The ... More Information

Helsinki-Tallinn tunnel

Helsinki-Tallinn tunnel

The Helsinki-Uusimaa Regional Council together with its partners, the Harju County Government, the cities of Helsinki and Tallinn, the Estonian Ministry of Economic Affairs & Communications and ... More Information

Robbins - Joe Lechner

Robbins - Joe Lechner

The Robbins Company announced the appointment of Joe Lechner to the role of Small Boring Unit (SBU) Sales Manager. With over 18 years of industry experience, the role is a natural career progression ... More Information

Agua Negra Tunnel project

The Minister of Public Works, Alberto Undurraga, announced today that the bidding process will commence within the next two months for the 13.9 km binational Agua Negra tunnel in the ... More Information

South tube of the Ejpovice Tunnel complete

South tube of the Ejpovice Tunnel complete

On 11.06.2016,  following more than 1.5 years of underground work, the TBM Victoria, 1800 ton in weight, 115 m long and with a 10m diameter officially breakthrough on the south tube of the ... More Information

Robbins achieves another breakthrough in Bangalore

Robbins achieves another breakthrough in Bangalore

On June 8, 2016, one of two 6.4 m (21.0 ft) diameter mixed-face EPB machines broke through at Namma Metro. After being launched in March 2015, the TBM named Kaveri made its way through its difficult ... More Information

Chennai Metro tunneling update

Chennai Metro tunneling update

On the 01.06.2016 the Indian Union Cabinet approved the 9.05 km extension of Corridor-1 of the Chennai Metro Rail Project Phase-I from Washermanpet to Wimconagar (Lot UAA08).  The 2.4 km ... More Information

WTC 2017 - call for abstracts deadline extended

The Norwegian Tunnelling Society (NFF) announced that the Call for Abstracts for WTC 2017 has been extended until the 01.07.2016.  Abstracts for WTC2017 are welcome on the following ... More Information

Cross River Rail - Brisbane

Cross River Rail - Brisbane

Cross River Rail in Brisbane is the Queensland Government’s highest priority infrastructure project. It is required to support the region’s growing urban population. With the population ... More Information

Ottawa’s LRT tunnel

Ottawa’s LRT tunnel

Rideau Transit Group, which is building the phase 1 of Ottawa’s light rail transit (LRT), called the Confederation Line, is coordinating the repair work for a 300-m stretch of the LRT tunnel ... More Information

SoilFreeze - Ground freezing for excavations

SoilFreeze - Ground freezing for excavations

SoilFreeze is the only U.S. construction company specializing exclusively in ground freezing services for construction and related industries. The company provides structural shoring, ... More Information

FCC concludes tunnelling work on Riyadh Metro Green Line

FCC concludes tunnelling work on Riyadh Metro Green Line

Madrid, 10 June 2016. The FAST consortium, headed by FCC, has completed tunnelling work on Riyadh Metro line 5 (Green line). The announcement was made at an event held in the Saudi capital that was ... More Information

New recruitment company tunneljobs.com launches

New recruitment company tunneljobs.com launches

Tunneljobs.com is a new company created specifically for the tunnelling industry by tunnelling professionals. It has been kept simple and easy to use and there is a team of people at tunneljobs to ... More Information

Expansion of the northern Zurich bypass begins

On 06.06.2016 in Regensdorf the main works for the expansion of the 10 km northern Zurich bypass began. The bypass, which has been open to traffic since 1985 with two lanes in both directions, runs ... More Information

Valico di Fossato tunnel

On 13.05.2016 the final breakthrough occurred in the Valico di Fossato tunnel on the SS76 Val d’Esino, Fossato di Vico-Cancelli section. This tunnel is part of the Quadrilatero Marche-Umbria ... More Information

Gotthard Base Tunnel has opened

Gotthard Base Tunnel has opened

On 01.06.2016 the inauguration of the Gotthard Base Tunnel was held at Rynächt Pollegio north and south. The Gotthard Base tunnel is 57km long between the north portal in Erstfeld and Bodio in ... More Information

16th International Water Mist Conference – Conference Webpage now LIVE!

The 16th International Water Mist Conference will take place in Vienna, Austria, on the 21st and 22nd of September 2016. The venue will be the Arcotel Wimberger Wien. The ... More Information

Tunnelling News

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

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