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Tunnel Russia for Moscow

Tunnel Russia, a new international conference scheduled for Moscow on March 12-14, 2014, will cover tunnelling and microtunnelling, directional drilling and combined construction technologies used ... More Information

Two Moscow meetings

In the first half of 2014 there will be two tunnelling conferences in Moscow: Tunnel Russia in March and Intertunnel in May. For details visit www.tunnelrussia.com and contact ... More Information

Fehmarn tenders attract attention

More than 400 participants representing more than 200 companies met together in Copenhagen on 21.01.2014 to learn more about the two upcoming tender packages from Femern A/S. Nine international ... More Information

A year is a long time in advertising

The key to Internet advertising is its availability. Whenever the reader wants you, you can be there, 24/7 for 52 weeks of the year! All that is needed is a good advertisement and qualified readers. ... More Information

Robbins TBMs return to Norway

Robbins TBMs return to Norway

On 21.11.2013 a cutterhead turning ceremony and champagne celebration marked the return of TBMs to Norway. More Information

Drilling shafts in front of Bertha

It turns out that Bertha, the SR 99 TBM constructing the tunnel to replace the earthquake-damaged Alaskan Way viaduct in Seattle, was stopped by a 20 cm-diameter steel pipe traced to a 2002 groundwater study. More Information

Terratec microtunneller bringing relief to Delhi

Terratec microtunneller bringing relief to Delhi

Delhi Jal Board DJB is laying a 59 km-long sewer along the Yamuna river at depths of 6-18 m on which a Terratec DN1600 microtunnelling system is already halfway through its allotted task. Read ... More Information

Time to celebrate

As 2013 draws to a close, what a pleasure it is to read about improving financial and employment statistics across the major economies! It has taken five years and a lot of pain to get to this ... More Information

Gotthard milestone

Gotthard milestone

On 16.12.2013 Swiss federal councillor Doris Leuthard officially opened the pilot rail operation in the west tube of the Gotthard base tunnel. For the first time, a train travelled over the ... More Information

Blocked Bertha, the SR 99 TBM

Seattle Tunnel Partners (STP), WSDOT’s design-build tunnel contractor, have taken their first step toward resumption of progress of Bertha, the SR 99 tunnelling machine. More Information

Recordbreaking Ritchie Bros’ auction

Recordbreaking Ritchie Bros’ auction

More than 1,220 bidders from 72 countries registered to participate in the auction in Caorso, Italy on 10.12.2013: a record for the Italian branch. More Information

Eight Terratec TBMs in Delhi

Eight Terratec TBMs in Delhi

Terratec has announced delivery of the final two TBMs of eight ordered for Delhi Metro Phase 3. More Information

Black River launch

Black River launch

Near the banks of the Black River in Ohio, a 7.0 m-diameter Robbins Double Shield TBM and continuous conveyor system are starting up. More Information

First blast in Wolf access

Excavation work by Swietelsky construction company has started on the access tunnel in Wolf, near Steinach, Austria with the first blast on December 4th, St. Barbara's Day. More Information

Morazzone breakthrough

Breakthrough of the east tube of the 2,167m Morazzone tunnel Pedemontana Lombarda was achieved on 04.12.2013 to complete the tunneling works. More Information

Pale breakthrough

Pale breakthrough

On 04.12.2013 final breakthrough was achieved on the Pale tunnel (2,319 m - 2,045 m) in Scopoli, Foligno municipality on SS77 Val di Chienti in Italy. More Information

Bypass for Palermo railway

Bypass for Palermo railway

On 02.12.2013 details were released about the 5 km-long bypass Section B for the railway network in Palermo. More Information

MineARC picks up safety award

MineARC picks up safety award

The international tunnelling award for safety initiative of the year was accepted in London by Thomas Horton of MineARC Systems for its emergency refuge chambers engineered for tunnels under construction. More Information

Aker sells TBM technology to CRTE

Aker Solutions has sold its German Aker Wirth tunnel-boring and shaft-boring technology to China Railway Tunneling Equipment Co. Ltd (CRTE). More Information

Huge Ritchie Bros. auction for Caorso

Huge Ritchie Bros. auction for Caorso

More than a hundred businesses have already supplied 1,020 heavy equipment items and trucks for Ritchie Bros’ final Caorso auction of 2013, to be held on Tuesday December 10, 2013. More Information

Robbins TBMs in Singapore

Robbins TBMs in Singapore

Downtown Line Stage 3 Contract 927 in Singapore involves the construction of two mainline tunnels by TBM, a breakdown siding tunnel by shotcrete lining, and the Bedok Reservoir station. More Information

Singapore expressway opens soon

The Land Transport Authority (LTA) will open the new Marina Coastal Expressway (MCE) from 09.00h on Sunday, 29.12.2013. The 5 km-long MCE, Singapore’s tenth expressway, More Information

University Link to open early

Sound Transit will open the University Link light rail extension by March, 2016, some six months earlier than previously scheduled. More Information

Prado Sud tunnel opens

Prado Sud, a consortium led by Vinci Concessions with Eiffage, inaugurated the 1.5 km-long Prado Sud tunnel in Marseille on 15.11.2013. More Information

Colle di Tenda start

The JV Grandi Lavori Fincosit/Toto Costruzioni Generali has started construction of the new Colle di Tenda tunnel on SS 20 Valle di Roja and Colle di Tenda in Piemonte. More Information

Arabian conference programme

The Arabian tunneling conference and exhibition takes place in Dubai, UAE December 10-11 More Information

OFTA from Robbins

OFTA from Robbins

Onsite First Time Assembly was developed by Robbins for the Niagara Tunnel project, which used a 14.4 m-diameter hard rock TBM. OFTA reduces delivery schedules and overall costs significantly. More Information

Pipe systems in tunnels

Tunnels present designers and engineers with particular challenges when it comes to installing pipework. Read a paper prepared by Dave Hudson, More Information

InterTunnel Russia 2014

InterTunnel Russia will take place 14-16 May at VVC All Russia Exhibition Centre, Moscow - a new venue for 2014. More Information

TBM starts Maddalena survey tunnel

TBM starts Maddalena survey tunnel

On 12.11.2013 TBM excavation started for the Maddalena survey tunnel in Chiomonte on the Lyon-Turin line. More Information

Hong Kong sewage treatment

Hong Kong sewage treatment

On 08.11.2013 the breakthrough ceremony took place for Hong Kong’s Harbour Area Treatment Scheme (HATS) Stage 2A sewage tunnel (North Point-Wan Chai section), marking a new milestone for the project More Information

EnviroLAV from MineARC

EnviroLAV from MineARC

The powerless EnviroLAV is a robust, self-contained, corrosion resistant steel toilet system that is easy to operate and maintain. More Information

Zitron sponsors tunnelbuilder.es

Zitron sponsors tunnelbuilder.es

As the largest Spanish manufacturer of mining and tunnelling ventilation fans, Zitron has been a mainstream advertiser at tunnelbuilder.com More Information

Clean water for Mumbai

Clean water for Mumbai

A rapid Robbins 6.25 m-diameter main beam TBM is speeding up the provision of clean water to 20.5 million residents of Mumbai, India. More Information

Metro construction in Santiago

On 09.11.2013 construction started on the Los Leones station of Santiago metro Line 6. More Information

Transmission line Sorgente-Rizziconi

Transmission line Sorgente-Rizziconi

The underground link between the Favazzina arrival location of the submarine cables and the Scilla power station is key to the new 380 kV AC double-circuit Sorgente-Rizziconi transmission line to link Sicily and Calabria. More Information

Tunnelling News

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

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