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

South Hartford Conveyance and Storage Tunnel update

South Hartford Conveyance and Storage Tunnel update

The Metropolitan District (MDC) announced that TBM Iris will be lowered into place this week. The parts will be lowered in separate segments approximately 61 m (200 feet) down into the South ... More Information

HRBT project

The Hampton Roads Bridge-Tunnel expansion project will move forward with the bored-tunnel construction method to deliver the next connection across the Hampton Roads harbour, the Virginia ... More Information

HS2 contract opportunities

HS2 contract opportunities

Do you want to see the latest information on HS2?  Also find information about contracts awarded directly by HS2 Ltd, including the status of current and future opportunities. Just click ... More Information

Take A Virtual Drive Through The West Gate Tunnel

Visitors to the West Gate Tunnel’s new information centre will be able to take a virtual drive through the tunnel via a high tech interactive model and learn more about the congestion busting ... More Information

The Five Billion Pound Super Sewer documentary series commissioned by BBC Two

BBC Two has commissioned Raw to produce a three-part documentary series following the £5bn project to build London’s 20 mile-long ‘super sewer’, cutting through the heart ... More Information

TELT update

Turin/Lyon - Before the end of the Summer 2018 the tenders for the French section of the base tunnel TELT will be released. The bi-national co-operation program agreed by the two European Union ... More Information

TERRATEC EPBM delivered for Bangkok’s Orange Metro Line

TERRATEC EPBM delivered for Bangkok’s Orange Metro Line

 The new 6.39 m diameter Earth Pressure Balance TBM will complete a series of complex tunnel drives for  Phase 1 of  Bangkok’s new Orange metro line , in Thailand . ... More Information

New iPS office opens in Houston

New iPS office opens in Houston

iPS – Powerful people is opening a new office in the “Energy Capital of the World”, Houston, Texas. The move is in line with the iPS goals to serve their clients all over the ... More Information

Melbourne Metro Tunnel’s Jobs Hub Drives Employment Opportunities

Thousands of Victorian jobs seekers can train and upskill as part of the state’s biggest-ever public transport project thanks to the launch of MetroHub – a one-stop-shop for jobs and ... More Information

Melbourne Metro July update

Melbourne Metro July update

Preferred contractor selected to build tunnel entrances - A consortium comprising John Holland, CPB Contractors and AECOM has been selected as the preferred bidder to deliver the $1 billion Rail ... More Information

Robbins Double Shield is conquering the Himalayas

Robbins Double Shield is conquering the Himalayas

Nepal’s First TBM bores 1,000 Meters in One Month Nepal’s first tunnel boring machine, a 5.06 m (16.6 ft) diameter Robbins Double Shield, is living up to the nation’s high ... More Information

4th International Underground Excavations Symposium and Exhibition

4th International Underground Excavations Symposium and Exhibition

4th International Underground Excavations Symposium and Exhibition is organized by the Chamber of Mining Engineers Istanbul Branch and Turkish Tunneling Society. The exhibition will be held on ... More Information

Frome Valley relief sewer

Frome Valley relief sewer

Wessex water are investing around £15 million in building a new sewer which will ensure their system copes with ongoing and future development in North Bristol and South ... More Information

ACCIONA and Gülermak complete excavation of the “Route 2020” project tunnel

ACCIONA and Gülermak complete excavation of the “Route 2020” project tunnel

Press release provided by ACCIONA and Gülermak. This tunnel is part of the Dubai Metro Red Line extension that will connect Nakheel Harbour and Tower station with the site of EXPO 2020 ... More Information

ITA Tunnelling Awards 2018 Finalists

ITA Tunnelling Awards 2018 Finalists

The list of finalists for this year’s awards has now been released please see below. The awards ceremony will be held  in Chuzhou-Nanjing in China from 5-7 November 2018. For further ... More Information

SAIE 2018

SAIE 2018

The construction market is in a transformation phase. The entire construction supply chain is going through a transition phase towards new markets and new production methods. The SAIE show, which ... More Information

Plans for USD1.2 Billion Tunnelling Project in Westchester County

On the  12.07.2018 the New York City Department of Environmental Protection (DEP) announced plans for a EUR1.03 bn (USD1.2 bn) tunnelling project that will improve operational flexibility ... More Information

Fugro awarded pre-construction site investigation for HS2 Chliterns tunnel

Fugro awarded pre-construction site investigation for HS2 Chliterns tunnel

Fugro has been awarded a £5.2M site characterisation package by Align JV as part of design and construction preparation works for HS2 Phase 1 (Area: Central 1). The international ... More Information

ITA newsletter #65

ITA newsletter #65

MESSAGE FROM TARCISIO CELESTINO, ITA PRESIDENT     Dear ITA Friends The World Tunnel Congress 2018 in Dubai was successful and all the beneficial consequences for the industry are ... More Information

Monitoring, Surveying and Information Technology

Monitoring, Surveying and Information Technology

Geodata offers an easy access to data and information with 24/7 availability is a factor of success for our customers. A high degree of data integrity and reliability is therefore a key parameter ... More Information

Twin Robbins Crossover TBMs to bore on Mumbai Metro Line 3

Twin Robbins Crossover TBMs to bore on Mumbai Metro Line 3

Massive Metro Project Will Improve Traffic and Rail Congestion in One of India’s Largest Cities On June 11, 2018, a Robbins Crossover XRE destined for Line 3 of India’s Mumbai Metro ... More Information

11th Annual breakthroughs in tunneling short course

11th Annual breakthroughs in tunneling short course

Celebrating its 11th year, the Breakthroughs in Tunneling Short Course is the longest running and most-attended course of its kind. Presented by leading practitioners from around the globe, the ... More Information

Tideway update

Tideway update

Going Underground: Tideway’s first tunnelling machines lowered 53 metres into the ground  First two tunnelling machines have been lowered underground Tunnelling to ... More Information

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

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