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Cross River Rail Roadheaders break through ahead of schedule

Two 115-tonne roadheaders recently broke through into the cavern of the future Boggo Road station two months ahead of schedule, marking yet another significant milestone for the transformational ... More Information

HS2’s first Midlands tunnelling machine name unveiled

The name of HS2’s first TBM on the northern section of Phase One has been unveiled. During a ceremony on the construction site, which is managed by HS2 joint venture Balfour Beatty VINCI, the ... More Information

TBM naming contests for Eglinton Crosstown West and Scarborough Subway Extensions TBMs

On 19/10/2021 Metrolinx introduced their naming contest for the 3 giant machines that will dig the tunnels for the Eglinton Crosstown West Extension and Scarborough Subway Extension in the Greater ... More Information

Latest News from Grand Paris Express Project

Line 15 East - Over night between the 6th and 7th of October, the head of TBM Sarah (almost 150 t) was transferred from the Finot structure in Saint-Ouen to the Agnes shaft in Aubervilliers, ... More Information

Local Precast factory launched for Snowy 2.0

Over the weekend Snowy Hydro and the principal contractor and factory operator Future Generation Joint Venture officially launched the new Snowy 2.0 precast factory in Cooma, where 130,000 concrete ... More Information

Breakthrough! Karangahape welcomes Dame Whina Cooper

On the 17/10/2021 Auckland’s City Rail Link (CRL) celebrated a mighty milestone with its TBM Dame Whina Cooper, breaking through 32 m below ground into the Karangahape Station construction ... More Information

Grand Paris Express - End of the tunnel for TBM Aby!

TBM Aby has broken through at the Villejuif Louis-Aragon station on Line 15 South. The TBM - that last March crossed the Vitry Centre Station - completed the 4.3km tunnel from the Arrighi ... More Information

TBM breakthrough on the Kemano hydropower project

A TBM has broken through to complete its journey for Rio Tinto’s Kemano T2 hydropower project in British Columbia. The Kemano T2 Project has completed a second tunnel to carry water into ... More Information

Women in Tunneling Happy Hour: Digging Deeper

UCA Women In Tunneling (WIT) invites you to join in conversation with some of the remarkable women in tunneling. Pour your favourite beverage and connect on Thursday, October 21st at 6:00 pm ET. ... More Information

Grand Paris Express –Line 18

On the 16/10/2021 an open day will be held from 6 p.m. to 11 p.m. for the launch of a new TBM for Line 18. This will be the second TBM for Line 18, whose name will be revealed during the site ... More Information

Second Main Line in Munich - Planning documents for the eastern section are now available

The planning approval documents for the construction of the eastern section (PFA 3 East) between the western bank of the Isar and Leuchtenbergring station, from km 107.853 to km 110.711, of ... More Information

iPS - Safety in tunnels and excavation

Tunnelling is essential underground construction that creates tunnels in many different applications for the benefit of the community. Did you know there are many safety hazards and risks involved ... More Information

BCL - Breakthrough for TBM Olga

On 08/10/2021 the TBM Olga - diameter 6 m - completed the right running single-track tunnel – 500 m long - between the Kashirskaya station and the transition chamber at the Klenovy ... More Information

T & M Specialists now in Canada

T&M Specialists Canada now offers a full range of tunnelling and mining specialist services throughout North America. As Hong Kong based T&M Specialists nears 10 years ... More Information

CEAR introduces their pressurized and ventilated containerized substation – ATEX certified

Press release - Costruzioni Elettrotecniche CEAR is proud to introduce to the market the ATEX certified pressurized and ventilated containerized substation, that is suitable for Hazardous Area ... More Information

Second Narrows Water Supply Tunnel - Canada

On the 04/10/2021 the joint venture between Aecon (40%) /Traylor Bros Inc. (60%) completed for Metro Vancouver excavation of the Second Narrows Water Supply Tunnel, located in North Vancouver, ... More Information

West Connex - M4-M5 Link Tunnelling update

Construction work on the M4-M5 Link Tunnels Project - part of WestConnex - the Australia’s largest road infrastructure project - restarted from 31 July 2021, undertaken 24 hours a ... More Information

Epiroc - Collaboration to develop an electric trolley truck system for underground mining

Epiroc, Boliden and ABB recently entered a joint collaboration to develop an electric trolley truck system for underground mining. This development project will lower CO2 emissions, improve work ... More Information

Tunnel Skills - Tunnel Vision

TunnelSkills – the national specialist training forum for the UK tunnelling industry – specialises in the application of immersive learning and new technology to improve training, ... More Information

1000th ring completed on Tideways Greenwich Connection Tunnel

The 1000th ring has been installed on the Greenwich Connection Tunnel by TBM Annie. The TBM is now 1.5km into the journey to Chambers Wharf in Bermondsey, where the Greenwich Connection ... More Information

Clearwater Project - TBM Rachel Launched

On 28/09/2021 TBM Rachel started its journey towards Royal Palm Beach for the Clearwater Project: at first, she’ll go slowly while systems are tested, but soon she’ll pick up speed ... More Information

Snowy 2.0 Project Updates

Following a brief pause in July to install the remaining gantries and connect the conveyor belt, Lady Eileen - the first TBM to start tunnelling - is now more than 160 m into the mountain. By ... More Information

The TBM in Swinoujscie reaches Wolin Island

On 19/09/2021 TBM Wyspiarka, which started the Swinoujscie tunnel construction in March this year, broke through the wall of the receiving chamber - 35 m long, 19 m wide and 18 m high - on ... More Information

Press release - Tunnel progress as HS2 completes first mile under the Chilterns

The first enormous 2,000 tonne tunnelling machine passed the one mile mark this week during the construction of the first tunnels for HS2 - Britain’s new high speed rail link between London, ... More Information

Mapei - Concrete restoration and waterproofing systems on existing tunnels

Maintenance of underground infrastructure is one of the most important issues for the construction market. Nowadays, maintenance includes priority activities, in order to maintain the value of ... More Information

Gotthard Road Tunnel update

On the 29/09/2021 in Goeschenen and Airolo the works for the second tube of the Gotthard motorway tunnel were officially opened. This was a symbolic ceremony, because the original celebration was ... More Information

hyperTunnel – tunnelling reimagined

Innovation born out of necessity: the launch of hyperTunnel will see tunnels built completely differently in future, for huge global societal benefit. hyperTunnel is a new British tunnelling ... More Information

Factory Acceptance Ceremony for STRABAG’s 12m EPB TBM

The Factory Acceptance Ceremony for STRABAG’s 12m EPB TBM took place yesterday at the Herrenknecht AG workshop in Schwanau, Germany. The TBM will tunnel the Metrolinx & Infrastructure ... More Information

Tianxi Expressway - Weilan Tunnel Completed

On 17/09/2021 the Weilan Tunnel part of the Guangxi Tianxi Expressway project invested in and constructed by Energy China Gezhouba Group successfully achieved a full-scale break ... More Information

Brenner Base Tunnel - Update of Total Project Costs

On the 07/09/2021, after the approval of the updated construction programme, approval was also obtained for the total costs of the BBT project, which had been updated to take the following issues ... More Information

Third breakthrough for Suki Kinari hydropower project in Pakistan

On the 25/09/2021 a ceremony was held to celebrate the third breakthrough of headrace tunnel for the 884 MW Suki Kinari Hydropower Project. The project has been under construction since 2017 ... More Information

STRATA Worldwide launches new website

From their early beginnings in underground coal mining roof support, STRATA has evolved into a leading global provider of advanced products and technologies in multiple industries. “Our ... More Information

Namma Metro - TBM URJA Tunnel Breakthrough at Shivajinagar metro station

On 22/09/21 Urja, the first TBM for the Namma Metro's Reach 6 line made a breakthrough at Shivajinagar, after completing the north bound tunnel of 855 m from Cantonment to Shivajinagar stations: ... More Information

MineARCs - Chamber Commissioning & Everything You Need To Know About It

Purchasing a MineARC chamber is an investment in ensuring that your crew are safe in the event of a disaster, but simply purchasing a chamber is only the first step in this process. A big part of ... More Information

T&M SPECIALISTS AWARDED A PERMANENT SPRAYED CONCRETE LINING PROJECT IN HONG KONG.

T&M Specialists Limited, established in Hong Kong in 2014, are delighted to announce they have been awarded a Permanent Sprayed Concrete Lining project. Taking part in Hong Kong’s ... More Information

iPS Powerful People at British Tunnelling Society Conference and Exhibition

Our Business Development Manager Tunnelling Barrie Willis and our Manager Tunnelling Sam Merrick will be attending the British Tunnelling Society Conference on September 30th and October 1st in ... More Information

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Tunnelling News

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

In pics: construction site of Chongming-Taicang tunnel

A smart assembling vehicle works at "Linghang" large diameter shield tunneling machine at the construction site of the Chongming-Taicang tunnel, part of the Shanghai-Chongqing-Chengdu ... More Information

IN PICTURES: Spectacular images of the removal of HS2's huge tunnelling machine

TBM Sushila was used to construct part of the Northolt Tunnel – an 8.4-mile tunnel ... construction/london-tunnels/progress-3/northolt-tunnel/tbm- ... More Information

Historic tunnels uncovered beneath Salisbury station during £5.3M upgrade project

Engineers from Network Rail and South Western Railway have uncovered a network of tunnels and rooms beneath Salisbury station during ongoing £5.3M upgrades to the station’s forecourt... More Information

Massive $450m road project connecting Russia and Georgia with six bridges & five tunnels

Massive $450m road project connecting Russia and Georgia with six bridges & five tunnels. The new road will pass through Georgia along a trade route ... More Information

Buca Metro Tunnel Excavations Reached 50 Percent Level

Important progress is being made in the construction of the line, where four tunnel boring machines (TBMs), each 100 meters long, 7 meters wide and ... More Information

'Very promising' narrow-reef boring technology nearing rollout stage

A novel tunnel boring machine (TBM) will open up Bokoni's narrow tabular dipping PGM orebody to allow narrow-reef boring to take place, so that ... More Information

A vast undersea tunnel is being built

The 7.4 billion-euro ($7.7 billion) project is a huge undertaking, in every sense. Each section of the tunnel is colossal. These concrete structures ... More Information

National Grid gets planning permission for Grain to Tilbury upgrade with new Thames tunnel

National Grid has secured full planning approval for the Grain to Tilbury project, which includes a new power tunnel under the River Thames... More Information

Right track tunnel of Huangjialing Tunnel in NW China's Gansu drilled through

A staff member works on the construction site of the right track tunnel of the Huangjialing Tunnel in Linxia Hui Autonomous Prefecture, northwest ... More Information

Shetland Islands tunnels plan takes 'huge step forward' with sonar investigations

This phase will further inform the project's development and feasibility. The tunnel project, seen by locals as pivotal for improving ... More Information

Construction of the Tarande tunnel begins next week

On March 17th, in Vilnius district Construction of a tunnel and other related infrastructure will begin at Taranda and Bukiškis. This project aims ... More Information

Delhi Metro's Golden Line achieves major tunnel breakthrough;

The construction of Delhi Metro's Golden Line achieved a major milestone on Thursday as the Tunnel Boring Machine (TBM) broke through at the ... More Information

RiverRenew Tunnel Project Nearing Completion

The RiverRenew Tunnel System Project, the largest infrastructure investment in Alexandria's history, is nearing completion. More Information

Sydney Metro West tunnels enter final stretch after big breakthrough

Two tunnel boring machines (TBMs) constructing the huge Sydney Metro West tunnels have made a smashing entrance 24 metres below the surface. More Information

Chennai Metro Rail launches first tunnel boring machine for underground tunnelling in Kolathur

Corridor 5 begins at Madhavaram Milk Colony and connects through Koyambedu, Porur, Alandur and other residential/commercial areas of the city to ... More Information

Element Six, Master Drilling Announce Tunnel Development Partnership

Element Six and Master Drilling will deliver a diamond-enabled solution designed to increase tunneling development speed, reducing costs and minimize the environmental impact of tunnel ... More Information

Gateway Project Tunnel Connecting NY and NJ Moves Forward

Five Gateway contracts have been awarded so far, including one on Predergast's first day for construction on the Manhattan side of the tunnel... More Information

HSR Xi'an – Yan'an: Completion of All Tunnels in the Project

The HSR Xi'an – Yan'an has completed the excavation of all tunnels, including the Tongchuan Tunnel. This is a key milestone in the construction ... More Information

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