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Athens’ Line 3 Extension from Haidari to Piraeus

On 22.03.2017 a TBM broke through at Maniatika Station on the Athens Line 3 extension to Piraeus. By the end of March 67% of the tunnel had been completed which equates to 50% of the ... More Information

Hopper of Almohades

Preparation work for a hopper for Almohades in Casablancabegan at the beginning of 2017 has now finished. This will allow for tunnelling works to start shortly. In July 2016 the turkish company ... More Information

Thessaloniki Metro - Completed

On 05.04.17 the TBM Aktor broke through at Analipsi station after opening the second of the twin 7.8km main shafts which are part of of the Thessaloniki Metropolitan Railway. The breakthrough ... More Information

ISTSS call for paper is open - Submit prior to May 5th

The Call for Papers for the 8th International Symposium on Tunnel Safety and Security (ISTSS 2018) is open. The symposium will be held at the Textile ... More Information

RETC early registration

Early registration ends May 7 for the Rapid Excavation and Tunneling Conference (RETC), June 4 – 7, 2017 in San Diego. RETC 2017 is heating up in San Diego, California with tunneling ... More Information

Robbins TBM Takes on Eighth Bore for Galerie des Janots Project

A Robbins TBM, recently christened “Augustine”, is being commissioned to undertake its eighth bore after being launched by contractor Eiffage Civil Engineering on March 3. The TBM, ... More Information

Normet to form a joint venture in China

Normet Group and JCHX Mining Management Co Ltd have signed an agreement to form a joint venture to manufacture and sell underground mining equipment in the Chinese market. The joint venture will ... More Information

The Kuala Lumpur-Singapore HSR

The Kuala Lumpur-Singapore High Speed Rail (HSR) is a strategic project between the Governments of Malaysia and Singapore that aims to facilitate seamless travel between the two capital cities. The ... More Information

Casablanca Sewer update

On 06.02.2017 the Turkish group Makyol completed the excavation of a 5.2km sewer tunnel. The tunnel was driven by a TBM EPB (diameter 6.5 m, lenght 87 m) and is part of the Super West Collector ... More Information

West Gate Tunnel project update

The Joint venture between Cimic a subsidiary of CPB Contractors and John Holland has been named as the preferred contractor for the West Gate Tunnel project in Melbourne, Australia. The joint ... More Information

PPS - Machine Guidance Update

PPS is looking forward to make 2017 a year of innovation in the PPS product lines. A new generation of pipejacking and micro-tunneling systems will be introduced and classical PPS guidance systems ... More Information

ITA-COSUF workshop at WTC 2017

New threats like terrorist acts in tunnels and cyber-attacks to control systems could severely influence public life. Within a workshop on “New Security Challenges for Design and ... More Information

Amberg newsletter

To view Amberg technologies latest newsletter please click here.15/17. More Information

Lower Thames Crossing - update

The preferred route for the new Lower Thames Crossing between Tilbury in Essex and Gravesend in Kent has been announced. The new two-mile road tunnel will create a link between the A2 and the M25 ... More Information

Harriet's final breakthrough at Leimert Park Station

On 06.04.2017 the TBM Harriet arrived at the Leimert Park Station completing the second tunnel of the underground section of the Crenshaw/LAX Line in Los Angeles. The TBM began its work on ... More Information

ITA AITES video

The ITA video of Tunnelling Works over the world (updated) has been released on youtube please view it here https://www.youtube.com/watch?v=XzY0QuF4gkM&feature=youtu.be .14/17. More Information

STUVA 2017 update and latest newsletter

STUVA-Expo 2017 – multiple communication options for exhibitors available Improving the efficiency of communication for our exhibitors is currently the focus of the organizing team of ... More Information

ATS 2017 Call for Abstracts Extended

The call for Abstracts for 16th Australasian Tunnelling Conference has been extended to Monday the 10th of April. Submit in one of the following categories: 1. Urban Planning, ... More Information

Metro Tunnel Project – end of geotechnical investigations

The major phase of geotechnical investigations to inform tunnel and station designs for the Metro Tunnel Project is now complete. Over the past two years more than 270 boreholes have been drilled ... More Information

Follo Line - Update

Acciona Construction has completed the first of the 45 galleries connecting the two railway tunnels of the Follo Line project in Norway. These service galleries will be essential for carrying out ... More Information

Muck removal is key!

The Robbins Company holds nearly 90% of world records for TBMs, and behind two thirds of those TBMs are continuous conveyor systems for rapid muck removal. Whether hard rock or soft ground, ... More Information

RETC

The Rapid Excavation and Tunnel Conference (RETC) will be held in San Diego, California June 4-7, featuring 100 technical sessions, short courses and more. Covering topics from contracting to ... More Information

Seli Overseas breaks through in Laos

On March 18th 2017 SELI Overseas completed the 11,4 km long headrace tunnel at the Xe-Pian Xe-Namnoy Hydro Power Plant, in southern Laos, using a 5.84 m diameter Double Shield TBM built by TERRATEC ... More Information

MMRC fabricates first tunnel ring for Metro-3

On 07.03.2017 Mumbai Metro Rail Corporation (MMRC) fabricated the first tunnel ring for the 33.5 km Colaba-Bandra-SEEPZ Metro-3 corridor project at the Wadala casting yard. About 40,000 segment ... More Information

RETC scholarships available

Are you a college student interested in attending the Rapid Excavation and Tunneling Conference (RETC)? If you answered yes, scholarships are now available through April 12. If you are looking to ... More Information

U5 tunnel - Breakthrough at the Brandenburger Tor station

On the 22.03.2017, Implenia broke through on a section of the U-Bahn in central Berlin having reached the Brandenburger Tor station from the new U5 tunnel built. The new tunnel connects the ... More Information

Performance Under Pressure: Robbins EPBs

On April 12, 2017 (Time: 7am PDT / 10am EDT / 2pm GMT ) there will be a complimentary 60-minute webinar, held by Robbins Engineering Manager Brad Grothen and Robbins Chief EPB Engineer Shinichi ... More Information

Call for Abstracts - Workshop on Concrete Spalling due to Fire Exposure

We are pleased to send this Call for Abstracts for the 5th International Workshop on Concrete Spalling due to Fire Exposure, 12 - 13 October 2017, in Borås, Sweden. Controlling the ... More Information

Risks associated with alternative fuels in road tunnels and underground garages

In the future, a large number of road vehicles will not be powered by fossil fuels and due to environmental considerations, much current transportation policy development is aimed at increasing ... More Information

Robbins Single Shield to repair a Part of World’s Longest Tunnel

Specialized TBM will work below the Hudson River on the Delaware Aqueduct. Robbins has completed the manufacture and testing of a unique tunnel boring machine that will be used to repair the ... More Information

Chenani- Nashri tunnel will open in March 2017

IL&FS Transportation Networks Ltd has completed the construction of the longest tunnel in the South East Asian Region the Chenani to Nashri section of NH - 1A. The project had been awarded ... More Information

Regional Connector in LA update

Metro has signed a contract with Regional Connector Constructors JV (Regional Connector Constructors) led by Skanska USA Civil West California District Inc. (Skanska), in partnership with Traylor ... More Information

WTC 2017!

The Norwegian Tunnelling Society (NFF) wants to welcome you to the World Tunnelling Congress and the ITA – AITES General Assembly which will be in Bergen, Norway from June 9th to June 15th ... More Information

Metro de Quito TBM works start

On 24.02.2017 the TBM named La Guaragua, the first of three machines involved in the Metro de Quito project, started tunnelling works. The machine, arrived in Guayaquil on the 13.11.2016 and will ... More Information

IAT introduces its latest creation

IAT Solution is pleased to introduce to the market our latest creation: IAT Data Acquisition & Visualization System. Designed and developed by some of the most experienced engineers in the ... More Information

TERRATEC MTBM systems excel in Bangkok

TERRATEC Microtunnelling Systems and speciality Field Services aid swift progress on major utility tunnel projects in Bangkok, Thailand. In February 2017, TERRATEC Micro Tunnel Boring Machines ... More Information

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Tunnelling News

Europe's $45BN Mega Tunnels through the Alps

Discover the record-breaking network of tunnels being constructed beneath the Alps. This video explores the top 6 longest tunnels in the region, .. More Information

AFRY secures contract for Switzerland's Twann Tunnel project

Construction oversight of the Twann Tunnel in the country. The tunnel on the Lake of Bienne is intended to ease traffic congestion in Twann by ... More Information

Line 5 Tunnel Project: Public comments now open for proposal to build under Straits of Mackinac

"The purpose of the project is to facilitate the construction of a tunnel beneath Lake Michigan bottomlands to replace the Line 5 dual pipelines ... More Information

ECRL Breakthrough: Genting Tunnel Becomes SEA's Longest Rail Tunnel

Genting Tunnel's construction used both Tunnel Boring Machines (TBM) and traditional drill-and-blast methods. The TBMs, built in China and ... More Information

Sydney tunnel factory creates 700 manufacturing jobs

The factory will support two of the largest tunnel boring machines (TBMs) in the Southern Hemisphere, set to arrive later this year. Once ... More Information

2.7 km Breakthrough Achieved in Bullet Train Tunnel

The tunnel also features a 7-kilometre undersea stretch beneath Thane Creek, a first of its kind in India. To ... More Information

Australian-first Sydney tunnel fabrication facility opens

The tunnel boring machines are expected to arrive in Sydney later this year, before being assembled deep underground below Birchgrove. They will ... More Information

ECRL Breakthrough: Genting Tunnel Becomes SEA's Longest Rail Tunnel

Genting Tunnel's construction used both Tunnel Boring Machines (TBM) and traditional drill-and-blast methods. The TBMs, built in China and ... More Information

4000-tonne machines dig arterial route under Melbourne's west

The West Gate Tunnel Project is in full swing beneath Melbourne's inner west, with tunnel boring machines (TBMs) Bella and Vida at the helm... More Information

Gotthard drilling machine gets no further - now it has to be blown up

Forced break in the Gotthard road tunnel: After 190 meters, the drilling machine working on the second tube has come to an end for the time being... More Information

Construction begins on 6 Cross Island Line Phase 2 stations

Tunnel Boring Machine measuring 12.8m in diameter. The machine will “bore through the ground only once for the construction of the tunnel which ... More Information

Tunnel boring machine returns after installing $22 million outfall

A 19.5 tonne tunnel-boring machine docked at Onehunga Wharf on Friday afternoon after successfully tunnelling the $22m Clarks Beach Outfall over ... More Information

Scarborough Subway Extension tunnelling progresses following maintenance stop

The remaining portion of the tunnel will be delivered by Scarborough Transit Connect, the development partner for the project's stations, rail and ... More Information

World's Deepest Underwater Tunnel to Have Cars Drive 16 Miles Under the Sea

Norway is building what is to become the longest and deepest road tunnel under the sea. The Rogfast project, measuring 26.7 kilometers (about 16.5 ... More Information

Tunnelling underway for National Grid’s 3.4km power tunnel in Snowdonia

The tunnel boring machine (TBM) Buddug has commenced excavation of National Grid’s 3.4km power tunnel in Wales’ Eryri National Park, otherwise known as Snowdonia. The tunnel is part of ... More Information

CPK signs contract for construction of HSR tunnel in Łódź

The contract for the construction of a 4.6 km long, 14-metre wide High-Speed Rail (HSR) tunnel will be carried out by construction company PORR. The project is valued at approximately PLN ... More Information

Underneath the busy Baltimore streets, the Howard Street Tunnel gets its makeover

A squad of construction workers descend daily under the streets of Baltimore. They labour deep down, in the semi-secret and highly restricted ... More Information

London Power Tunnels Milestone

We're thrilled to announce that our second 2.5km high-voltage circuit between Hurst and Crayford is now live. This £1 billion project is rewiring London, strengthening energy supply, and ... More Information

U.S. Tunneling Professionals Convene in Dallas at RETC 2025

The event drew approximately 1,400 people. Another highlight of the conference was the presentation of the now annual Underground Construction ... More Information

Construction of NY and NJ GatewayTunnel hits halfway mark

People are looking down at the ground from the Highline on Manhattan's West Side. Some parts of the new train tunnel structure ... More Information

Silicon Valley BART extension seeks new tunneling contractor

Silicon Valley BART extension seeks new tunneling contractor for construction. Maguire told reporters during a briefing Monday morning. He noted that VTA is trying to fill a $1.2 billion ... More Information

Tunneling In The Digital Age: Rethinking Subsurface Infrastructure

But successful construction is just the start of the journey. Underground infrastructure is a long-term investment—just look at the London Underground ... More Information

Sydney Moves Forward with Final Tunnelling for Harbour Project

Sydney prepares for the arrival of the largest TBMs in the Southern Hemisphere as the Western Harbour Tunnel project enters its final tunnelling ... More Information

Metrolinx seeks help to name 2 of its massive Ontario Line tunnel digging machines

Metrolinx is now accepting names for two of its giant tunnel boring machines (TBMs), which will be used for twin 16-metre-deep and six-kilometre-long ... More Information

Deutsche Bahn awards contract for Munich S-Bahn project

The contract involves structural works for the expansion, including the construction of tunnels and an underground station. The Tunnel Ostbahnhof JV, ... More Information

Excavation completed on Italian side of Brenner Base Tunnel

The tunnel boring machine (TBM) named “Flavia” successfully bored through the Alps beneath the Mules 2–3 section, reaching the Austrian border. More Information

Giant tunnel borer set for Shantou Bay project

A giant tunnel boring machine has been installed for tunnelling under Shantou Bay in Shantou, South China's Guangdong province. [Photo provided to ... More Information

€0.4bn road and tunnel project in Georgia

Work is proceeding on the Kvesheti-Kobi road and tunnel scheme in Georgia. The scheme is part of a larger project, being carried out with Chinese ... More Information

Lahore to transform with Rs49 billion tunnel boring project

Pakistan, April 27 -- The federal government has approved Lahore's Rs49 billion Tunnel Boring Project, marking a major development for the city... More Information

Construction at Cleveland Hopkins International Airport

The 2,100-foot-long tunnel connects the terminal to parking facilities and the tramway leading to the RTA public rail line. During the project, two of ... More Information

AFFHOLDER AND J.F. SHEA TEAM UP ON $700 MILLION CONTRACT

The tunneling subsidiary, Affholder LLC, will lead a joint venture with J.F. Shea Construction, Inc., to build the I-35 Capital Express Central ... More Information

Factory Testing Complete on DC Water's first tunnel boring machine for the Potomac River

Mary passed all the necessary requirements and is one of two TBM's on the project. The tunnel is part of DC Water's Clean Rivers Project, to ... More Information

Work on Chennai Metro tunnel racing to a finish

The machine Flamingo, which started boring in 2023 for the tunnel linking Light House with Thirumayilai, is expected to reach the other end in ... More Information

CPK awards contract to build high-speed rail tunnel in Lodz, Poland

The tunnel, to be constructed using a tunnel boring machine (TBM), will have a ... More Information

Inside HS2: Meet London's miners working on the Northolt tunnels

We are on a tunnel boring machine (TBM) inside High Speed Two's huge Northolt tunnels. These tunnel boring machines are part of a tunnelling ... More Information

Ontario Begins Construction Of Last Tunnel Segment Of The Eglinton Crosstown West Extension

The remaining eastern portion of tunnel construction (500-meter twin tunnels) will use the sequential excavation method, with daily progress of ... More Information

Norway is building the world's longest and deepest subsea road beneath its fjords

We have subsea road tunnels which have that construction. And the new tunnel between Germany and Denmark, there they are laying down cases and put ... More Information

CERN releases report on the feasibility of a possible Future Circular Collider

The estimated cost of construction of the FCC electron–positron stage, including the tunnel and all the infrastructure, is 15 billion Swiss francs... More Information

TBM break through on Auckland's £915M wastewater megaproject completes 16.2km tunnel

Auckland's major wastewater infrastructure project, the Central Interceptor, has reached a significant milestone with the final breakthrough of ... More Information

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