Tunnelbuilder Promoting the world's tunnelling industry to a huge qualified audience

View the Spanish Tunnelbuilder website View the Italian Tunnelbuilder website

Archive - News

Featured News

Dätwyler Newsletter

Dätwyler Newsletter

The latest Dätwyler Newsletter is now available with updates on all their current and future projects. Please click here. 40/15   More Information

Seattle Northgate Link Extension - Tunneling update

Seattle Northgate Link Extension - Tunneling update

Tunneling crews continue to make progress on both tunnels between the Roosevelt Station site and the U District Station site for the Northgate Link Extension in Seattle. TBM Brenda is just south of ... More Information

Setronic ARGO at Expotunnel

Setronic ARGO at Expotunnel

Setronic Verona Srl is an ISO 9001:2008 certified company, specialized in design, manufacture and after sales service for optical beam smoke and fire detectors, opacity analyzer, ... More Information

Brenner Base Tunnel - TBM begins its work

Brenner Base Tunnel - TBM begins its work

On the 26/09/2015 the ceremony was held for the launch of a TBM in at the Brenner Base Tunnel in Innsbruck, Austria. The cavern at the Ahrental end was used for assembly and launch. There were ... More Information

TBM for Grand Paris Express ready

TBM for Grand Paris Express ready

The TBM for the grand Paris Express is now ready to start. The TBM was christened Magaly on the 09.09.2015 it is the first of two TBMs that will dig the tunnel for the extension of line 14. The ... More Information

Euclid Creek Tunnel closes under budget

On 17.09.2015  the Northeast Ohio Regional Sewer District’s Board of Trustees approved the final award of the contract 238-15. This contract will close $3.6 million less than the original ... More Information

Blanka tunnel opened in Prague

Blanka tunnel opened in Prague

The 6,382 m Blanka road tunnel complex in Prague, consisting of three tunnel sections, was opened on 19.09.2015. The project is on the north-western part of the inner ring road in Prague. Click ... More Information

Robbins Main Beam ramps up at Mid-Halton Outfall Tunnel.

Robbins Main Beam ramps up at Mid-Halton Outfall Tunnel.

 On July 22, 2015, a 3.5 m (11.5 ft) Robbins Main Beam TBM began a new chapter in its storied 32-year career. Originally built for the Terror Lake project in Alaska, the veteran machine has ... More Information

Sandvik Newsletter

Sandvik Newsletter

The latest newsletter from Sandvik Construction is now online. Visit http://construction.sandvik.com/news-media/e-newsletter/september-2015/ . 39/15 More Information

Nenskra hydroelectric project

Nenskra hydroelectric project

On 16.09.2015 the ground breaking ceremony for the Nenskra hydroelectric project  was held in the mountainous northwestern Georgian region of Svaneti. The 280MW project will ensure the ... More Information

Sydney Metro Northwest tunnelling breakthroughs for TBM1, TBM3 and TBM4

Sydney Metro Northwest tunnelling breakthroughs for TBM1, TBM3 and TBM4

On 18.09.2015 TBM3 Isabelle, one of four machines excavating the 15km twin tube tunnels from Bella Vista to Epping, broke through. It’s the first Sydney Metro Northwest TBM to reach the end of ... More Information

Construction has started on the first well for NorthConnex Tunnel in Australia

On 11/09/2015  a 40 t piling rig drilled the first pile at the northern interchange at Wahroonga junction. This is for the construction of the first well for the NorthConnex tunnel in Sydney. ... More Information

Waterview near completion

Waterview near completion

The Tunnel boring machine Alice is only 332 m away from her second breakthrough for the  Waterview Connection in Auckland, New Zealand. The second tunnel which is 2.4 kilometers long is also ... More Information

DUX Machinery introduces the DUX DT-20T

DUX Machinery  introduces the DUX DT-20T

With over 45 years of experience, DUX Machinery Corporation is a Canadian manufacturer of heavy-duty underground equipment designed to meet the needs of mining and tunnelling projects worldwide. DUX ... More Information

Australian Tunnelling Conference update

The latest project updates to be discussed at the Australian Tunnelling Conference in Sydney next month “We have a fantastic program featuring a number of project updates from all over ... More Information

TERRATEC TBM achieves new breakthrough in Delhi

TERRATEC TBM achieves new breakthrough in Delhi

On 03.08.2015, TERRATEC’s S23 TBM EPB completed the tunnelling on the up line 1,351 m tunnel between Kashmere Gate & Lal Quila Stations. This is the Delhi Metro Phase-III CC-07 Project, ... More Information

SR99 - Final three pieces safely in the access pit

SR99 - Final three pieces safely in the access pit

Between the 28th  August  and  4th  September 2015 Seattle Tunnel Partners have lowered the final three pieces of the SR 99 TBMs front shield into the access pit in Seattle, ... More Information

Underground Construction Prague 2016 – Final Call for Abstracts

The final deadline for abstract submission is on 30.09.2015, using the on-line form which is available at http://www.ucprague.com/call-for-abstracts/ . 37/15. More Information

Robbins Crossover TBMs in New Territory

Robbins Crossover TBMs in New Territory

First Rock/EPB TBM in North America represents an Evolution in Design On August 10, 2015, North America’s first Robbins Crossover TBM was launched for the Túnel Emisor Poniente ... More Information

Ritchie Bros. auction Spain features tunneling equipment

Ritchie Bros. auction Spain features tunneling equipment

Tunnelbuilders that are in need of heavy equipment for their upcoming projects may be able to grab a good deal at Ritchie Bros. upcoming auction in Ocaña (Central Spain). The unreserved ... More Information

‘Full Crew’ change name to iPS – Powerful People Mexico

‘Full Crew’ change name to iPS – Powerful People Mexico

iPS’ Mexican entity has changed its commercial name from ‘Full Crew’ to iPS – Powerful People. Full Crew has been active in Mexico since 2007 and has established a well ... More Information

VMT developments

VMT developments

HADES from VMT networks all areas of a construction site above and below ground. Development of the HADES control centre is underway. Read the press release and visit www.vmt-gmbh.de. 36/15. More Information

Sandvik for service

Sandvik for service

Sandvik supports clients with in-depth product and application expertise, rapid response, local presence and worldwide network. Read the August, 2015 edition of Sandvik E-newsletter and visit ... More Information

TBM tunnel enlargement

TBM tunnel enlargement

At the beginning of August Fillie, a 9 m-diameter TBM, started work near Bolton, UK as part of a Network Rail project to electrify the Preston-Bolton-Manchester line, one of north-west ... More Information

Muhlhauser logistics solutions

Muhlhauser logistics solutions

The fourth generation of the Muhlhauser family continues in the company tradition of tailormade logistics solutions for tunnelling and mining, offering railbound and trackless vehicles and machines ... More Information

Robbins TBM in Tirol

Robbins TBM in Tirol

A 6.53 m-diameter, 200 m-long, 600 t Double Shield Robbins TBM named Magliadrun (meaning Glutton) is gearing up for the Gemeinschafts Kraftwerk Inn GmbH (GKI) project in Tirol, Austria. The name was ... More Information

Owning a TBM

Owning a TBM

Cost of ownership of a TBM is a complex subject, whether specifying a machine for a single job or to span a generation of projects. Experience will give the best insight, and a complimentary Robbins ... More Information

Putzmeister success story

Germany-based machine manufacturer Putzmeister has announced a 10 percent increase in business volume for 2014 with sales of EUR691.2 worldwide. Read the press release and visit www.putzmeister.com. ... More Information

Jacon at Waterview, NZ

Jacon at Waterview, NZ

The 2.4 km-long Waterview Connection in Auckland, New Zealand will connect two existing motorways. It is being driven by TBM, supplied around the clock by Jacon MSVs, each carrying a complete 90 t ... More Information

Normet beefs up in A-P

Normet beefs up in A-P

Normet has strengthened both its Australian and Asia-Pacific regional operations with the appointment of Neil Fitzmaurice as managing director and John Gelson as his manager of ground control and ... More Information

Blue Plains holing

In early July, 2015 Herrenknecht TBM Lady Bird completed the 7.24 km-long Blue Plains Tunnel that will be used to help improve the water quality in the Anacostia River in Washington DC, US. Blue ... More Information

EuroTAP 2015 reports

The results of EuroTAP tests overseen by the German Automobile Club, ADAC, together with its partner clubs: ACI in Italy, OEAMTC in Austria, and TCS in Switzerland have been published. The 2015 ... More Information

Jaime Ibarra joins Normet in North America

Jaime Ibarra joins Normet in North America

Jaime Ibarra is the new TBM Technical Manager – Americas in Normet. He’ll lead Normet’s North and Latin American teams into the fast growing market of TBM related construction ... More Information

Robbins at Moscow metro

Robbins at Moscow metro

On 15.07.2015 Robbins EPB Elena completed excavation of the 1,710 m-long left-hand tunnel for the Moscow Metro Second Circle line (Third Interchange Circuit) and arrived in the future 65 m-deep ... More Information

SR99 schedule revision

SR99 schedule revision

Seattle Tunnel Partners has begun installing a new main bearing on the SR 99 TBM with a view to restarting tunnelling next November. Tunnelling will take a year to complete, with the tunnel now ... More Information

Northgate Link TBMs advance

In Seattle, US, TBM Pamela has arrived at Roosevelt Station and TBM Brenda is expected at U District Station in early-Autumn. On 13.07.2015  the Robbins EPBM Pamela arrived at the ... More Information

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