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

Short-Term Rockburst Prediction in TBM Tunnels

ABSTRACT: Rockbursts in the tight confines of a TBM tunnel can be highly hazardous events given the proximity of vital equipment and workers to the rockburst source, and the space constraints that ... More Information

Robbins - White Papers

Robbins - White Papers

If you need more in-depth explanations of Robbins products, browse through our white papers. These downloadable and printable papers, written by Robbins employees, cover everything from disc ... More Information

Route 2020 update

Route 2020 update

On 30.06.2018 the Roads and Transport Authority (RTA) in Dubai, announced the completion of key tunnelling works for the Route 2020 Project stretching 3.2 km at a depth ranging from 12 to 36 ... More Information

TBM La Carolina completes its journey for the Quito Metro

TBM La Carolina completes its journey for the Quito Metro

On the 19.06.2018  TBM La Carolina reached the end of its underground journey after boring 3.55 km of tunnel and installing 2,281 concrete rings for the Quito Metro. The TBM began the ... More Information

40 years of Geofluid

40 years of Geofluid

2018 is a special year for Geofluid, as it celebrates its first 40 years, getting to stage its 22nd edition. at Piacenza Expo from 3rd to the 6th of October. The Piacenza is around 30,000 square ... More Information

Melbourne Metro Tunnel HQ opens

Melbourne Metro Tunnel HQ opens

This week marks the unveiling of Metro Tunnel HQ, an information centre where visitors can learn how this once-in-a-generation project will be built and get up-to-date information about works in ... More Information

First TBM on its way for Sydney Metro

First TBM on its way for Sydney Metro

The first of five double-shield TBMs which will deliver the next stage of the Metro is on its way to start digging deep under Sydney on Australia’s biggest public transport project. The TBM ... More Information

3rd International Roads, Bridges and Tunnels Fair

3rd International Roads, Bridges and Tunnels Fair

Mega Projects Call Their Heroes  “Where the Continents Meet” is the motto that best describes the goal of the Expo which will be held in Istanbul, a city that serves as a bridge ... More Information

Stockholm’s Metro to be expanded

Construction and civil engineering companies will be informed about the Stockholm’s metro extension at the Supplier Day 2018, organized by SLL (Stockholms lans landsting) on  Tuesday ... More Information

TERRATEC meets the gold standard in Colombia

TERRATEC meets the gold standard in Colombia

In early June, TERRATEC successfully completed the Factory Acceptance Testing of a TR2000 Raise Boring Machine (RBM), which will be deployed by Peruvian mining contractor INCIMMET on Continental ... More Information

Spain - Breakthrough in the Requejo rail tunnel

On the 20.06.2018 Adif completed the excavation of the left tube of the Requejo tunnel (2.5 km), on the Pedralba de la Praderia - Padornelo Tunnel subsection (province of Zamora) of the AV ... More Information

Let’s Be Clear: Transparency is a Boon, not a Bust, for the Tunnelling Industry

Let’s Be Clear: Transparency is a Boon, not a Bust, for the Tunnelling Industry

Posted by Lok Home | Jun 18, 2018 | Redefining the Industry The idea of transparency is one that we most often hear touted in politics and policies.  But transparency is a concept that ... More Information

2019 World Tunnel Congress - 1000 abstracts received

2019 World Tunnel Congress - 1000 abstracts received

1000 abstracts is an important result, if compared with the previous editions. The figure is a good indicator of the high expectations for the next WTC 2019 in Naples. The Organizing Secretariat ... More Information

NCE Tunnelling Festival 2018

NCE Tunnelling Festival 2018

We are proudly supporting this year's New Civil Engineer's ... More Information

Mining and tunnel construction - GHH opens training centre

Mining and tunnel construction - GHH opens training centre

Getting the most out of things: This is the motto of the company GHH Fahrzeuge GmbH from Gelsenkirchen, not just for special mining and tunnel construction vehicles. With the inauguration of its new ... More Information

Two new Australian contracts for CBE Group

Two new Australian contracts for CBE Group

CBE Group has recently won two sizable contracts in Australia. The French midcap company will take part in two substantial projects: the Melbourne metro and the West Gate Tunnel,  located in ... More Information

Lima expressway update

Lima expressway update

On the 15.06.2018 the MML (Municipalidad Metropolitana de Lima) opened the new Linea Amarilla expressway in Lima in Peru, also named the Via Parque Rimac, linking 11 districts of Lima. The new 9 km ... More Information

Record-Setting Robbins TBM breaks through at China’s Jilin project

Record-Setting Robbins TBM breaks through at China’s Jilin project

Hard Rock Machine crosses Finish Line Nearly Five Months Ahead of Schedule In mid-May 2018 the national-record-setting 7.9 m (26 ft) Robbins Main Beam TBM at the Jilin Lot 3 Tunnel broke through. A ... More Information

The Boring Company awarded Chicago Express Loop Contract

The Boring Company awarded Chicago Express Loop Contract

Chicago Infrastructure Trust (CIT) awarded the Boring Company the contract to design, build, finance, operate and maintain the Chicago Express Loop, an O’Hare Express service between ... More Information

Pune Metro Project

Pune is the second largest city in the Indian state of Maharashtra and ninth most populated city of the country. The population of the Pune metro region is more than 6 million. In order to improve ... More Information

Monte Sperone tunnel update

Monte Sperone tunnel update

CIPA S.p.A. has recently signed a contract with the company Autostrade per l'Italia which involves the upgrading of tunnels on the A12. The joint venture between Cipa Spa and Paolo Barghi Srl are ... More Information

ITA Tunnelling Awards 2018 – Extended Deadline

The deadline for the project for the ITA Tunnelling Awards 2018 has been extended  to June 18th, 2018 (9AM CET). The 2018 edition will take place on 7 November, in Chuzhou-Nanjing during the ... More Information

The TBM Masha breaks through in Turin

On the 07.06.2018 the TBM Masha completed the Southern extension of the Metro Line 1 in Turin. The TBM, had been launched last November 2017, and has finished driving the last 690 m section between ... More Information

Nepal - The Dudhkoshi Storage Hydroelectric Project

The Nepal Electricity Authority (NEA) has planned the use of another TBM to dig the 13km tunnels of the Dudhkoshi Storage Hydroelectric Project which is currently under study. The TBM will be used ... More Information

Nepal – The Bheri Babai project updates

A Robbins Double Shield TBM 5.06 m diameter has had a successful time with its drive as part of the Bheri Babai Diversion Multipurpose Project. The Bheri Babai project is the only project in Nepal ... More Information

The Dirt!

The Dirt!

The dirt is a newsletter written for the BTSYM (British Tunnelling Society Young Members) so far they have had two issues. The first was in March ... More Information

Brenner Base Tunnel Update

Brenner Base Tunnel  Update

The first 100 m of Exploratory tunnel had started being excavated for the Brenner base tunnel overnight the 24th  and 25th  May. The TBM Serena started at the beginning of May, has now ... More Information

Costruzioni Elettrotecniche Cear Srl and the Blue Line of Milan

Costruzioni Elettrotecniche Cear Srl and the Blue Line of Milan

  Costruzioni Elettrotecniche Cear Srl continues to improve Milan's road network by participating in the construction of the M4 underground or "Blue Line", which will connect the historic ... More Information

3rd International Roads, Bridges and Tunnels Fair Mega Projects

3rd International Roads, Bridges and Tunnels Fair Mega Projects

The third Road2Tunnel Fair, the International Roads, Bridges and Tunnels Fair, will bring together all stakeholders involved in the planning, design, application, and management of international ... More Information

Qatar - Construction of Mesaimeer pumping station and discharge tunnel underway.

On 13.05.2018, Ashghal, the Public Works Authority in Qatar, started the construction of the Mesaimeer pumping station project and sewage tunnel, a sustainable solution for rainwater and ... More Information

Bocciolone Antincendio S.p.A at Fire Sprinkler International 2018

Bocciolone Antincendio S.p.A at Fire Sprinkler International 2018

The Fire Sprinkler International 2018 will be held in Stockholm 13th & 14th of June. Bocciolone Antincendio S.p.A. the Italian leading manufacturing company for Fire Fighting Equipment and ... More Information

Why Safety Matters by Dallas Adams

Why Safety Matters by Dallas Adams

Dallas Adams delivered a raw and emotional presentation describing the impact a workplace accident can have on family, friends and work colleagues.  With his experience in the industry, ... More Information

The ‘cool’ Channel Tunnel!

Channel Tunnel stays cool and reduces environmental impact on Eurotunnel, after its first season of operating a new cooling system for maintaining requisite temperatures in the landmark Channel ... More Information

Kalkaji Mandir - Janakpuri Delhi West section of Line 8 inaugurated

Kalkaji Mandir - Janakpuri Delhi West section of Line 8 inaugurated

On the  28.05.2018 the flagging-off ceremony was held for the Kalkaji Mandir - Janakpuri West section of Line 8 (Magenta Line) in  Delhi. The 24.82 km Janakpuri West – Kalkaji Mandir ... More Information

Europe’s First Robbins Crossover Makes Breakthrough

Europe’s First Robbins Crossover Makes Breakthrough

Moglicë Headrace Tunnel - On May 3, 2018 a 6.2 m (20.3 ft) diameter Robbins Crossover (XRE) TBM broke through, marking the completion of the first TBM-driven tunnel in Albania. The TBM, ... More Information

Melbourne Metro – updated station designs revealed

Melbourne will be home to five stunning new landmarks when the underground stations for the Metro Tunnel open in 2025. Designs for the stations, unveiled earlier today, combine functionality, ... More Information

Tunnelling News

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

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