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Iceland TBMs Make a Strong Finish and Tie a World Record

Iceland TBMs Make a Strong Finish and Tie a World RecordThe Kárahnjúkar hydroelectric project includes approx. 72 km of tunnels that will transfer water to a powerhouse in the Fljótsdalur ... More Information

First Breakthrough on Andora-San Lorenzo al Mare Section on Genoa-Ventimiglia Line Dualling

First Breakthrough on Andora-San Lorenzo al Mare Section on Genoa-Ventimiglia Line DuallingOn 24th September, 2006 in San Bartolomeo al mare, next to Cervo torrent valley, tunnelling ended at ... More Information

4th Asian Rock Mechanics Symposium in Singapore

4th Asian Rock Mechanics Symposium in SingaporeThe 4th Asian Rock Mechanics Symposium is organised by the Singapore National Group of the International Society for Rock Mechanics (ISRM) and the ... More Information

TIMBY, New Construction Process for Immersed Tunnels

TIMBY, New Construction Process for Immersed TunnelsTIMBY, which stands for Tunnel IMmersed BY Bouygues, is a new process for construction of immersed tunnels. It is based on a machine ... More Information

Tunnelling Well Advanced on Tizi Ouzou-Algiers Potable Water Scheme

Tunnelling Well Advanced on Tizi Ouzou-Algiers Potable Water SchemeTizi Ouzou is situated at a pass that culminates at 270 metres ("tizi" means pass and "ouzou" means broom in Kabylian) but it is ... More Information

Herrenknecht TBM Completes Metronorte Line in Madrid

Herrenknecht TBM Completes Metronorte Line in MadridA TBM dubbed 'Chotis' finished the Metronorte tunnel as it holed through into Marques de la Valdavia station in Alcobendas at 12:18 p.m. on 18th ... More Information

First Sections Get Under Way on Ionian Coast Road SS 106

First Sections Get Under Way on Ionian Coast Road SS 106 The SS 106 Ionian road is approximately 490 km long, of which 415 km in Calabria (85%), 37 km in Basilicata and 38 km in Puglia. It ... More Information

Zillastro Tunnel on Ionian Tyrrhenian Cross-Country Road Also Called Bagnara-Bovalino

Zillastro Tunnel on Ionian Tyrrhenian Cross-Country Road Also Called Bagnara-BovalinoThe Zillastro tunnel is the major structure on the Ionian Tyrrhenian cross-country road, called Bagnara-Bovalino, ... More Information

Robbins TBM Digs Sewer Outfall in Northwest Spain

Robbins TBM Digs Sewer Outfall in Northwest SpainThe project to clean up the Ferrol estuary represents an investment of EUR112 million, financed by the North of Spain water agency (85%) and ... More Information

IPS Tunnel Division Wins Malmö City Tunnel Contract to Supply Personnel

IPS Tunnel Division Wins Malmö City Tunnel Contract to Supply PersonnelIPS is proud to announce that they have been awarded a contract to supply TBM specialists to the Malmö City tunnel joint ... More Information

First Breakthough at Gotthard Base Tunnel

First Breakthrough at Gotthard Base TunnelConstruction workers made the first breakthrough at the Gotthard base tunnel on 6th September, 2006 in what will be the world's longest rail tunnel, ... More Information

Austin Builds Three Water Tunnels and Has Four More in Project

Austin Builds Three Water Tunnels and Has Four More in ProjectThere are three in-use wastewater tunnels in Austin: Crosstown (1973), Onion (1978) and Govalle (1988). Crosstown delivers ... More Information

Lovat Receives Order for TBM for Croydon Cable Tunnel in the UK

Lovat Receives Order for TBM for Croydon Cable Tunnel in the UKMorgan Est has contracted with Lovat for the purposes of design and manufacture of a 3.6 m-diameter EPB TBM for the Croydon cable ... More Information

Marti Technik to Supply Conveyor Belt for Castle Peak Cable Tunnel in Hong Kong

Marti Technik to Supply Conveyor Belt for Castle Peak Cable Tunnel in Hong KongSwitzerland's Marti Technik has been contracted by Dragages Hong Kong to supply a conveyor belt for the Castle ... More Information

SELI TBM Breaks Through Dai Ninh Headrace Tunnel in Vietnam

SELI TBM Breaks Through Dai Ninh Headrace Tunnel in VietnamAfter 20 months of work on the headrace tunnel of the Dai Ninh hydropower project, Cavico Corporation announced that the tunnel has ... More Information

NFM Technologies Pockets Major Contract for Six TBMs in China

NFM Technologies Pockets Major Contract for Six TBMs in ChinaNFM Technologies, affiliated to Wirth, has won an order for the supply of six slurry Benton'air® type TBMs to China. The contract is ... More Information

BASF Acquires Degussa Construction Chemicals to Create New Innovative Potentials

BASF Acquires Degussa Construction Chemicals to Create New Innovative PotentialsBASF acquired the global construction chemicals business of Degussa, with effect from 30th June, 2006 and ... More Information

Launch Ceremony of World's Largest Hard Rock TBM at Niagara Falls in Ontario

Launch Ceremony of World's Largest Hard Rock TBM at Niagara Falls in OntarioA ceremony was held on 8th August, 2006 to celebrate the official start up of the largest hard rock TBM in existence ... More Information

NYC Completes Excavation of Third Water Tunnel

NYC Completes Excavation of Third Water TunnelMayor of New York City Michael Bloomberg turned off on 9th August, 2006 a tunnel boring machine and announced that the excavation of Stage 2, or ... More Information

Atlas Copco Secoroc Dresses in Yellow

Atlas Copco Secoroc Dresses in Yellow As of 15th August, 2006 all Atlas Copco Secoroc rock drilling tools delivered will be dressed in yellow. This is yet another step in strengthening ... More Information

Robbins TBM Starts Pinglu Tunnel in China

Robbins TBM Starts Pinglu Tunnel in ChinaA launch ceremony of a Robbins TBM was held on 12th July, 2006 in Souzhou in China's Shanxi province to celebrate the start of the 25.15 km-long Pinglu ... More Information

Herrenknecht to Supply TBM for Castle Peak Cable Tunnel in Hong Kong

Herrenknecht to Supply TBM for Castle Peak Cable Tunnel in Hong KongThe Castle Peak cable tunnel project was awarded by CLP Power Hong Kong Ltd to Dragages Hong Kong Ltd on 30th November, 2005. ... More Information

Fire Fighting Systems For Tunnel Boring Machines

Fire Fighting Systems For Tunnel Boring MachinesHall and Kay Fire Engineering Ltd have recently been awarded a major contract by Herrenknecht for fire fighting systems on a 180 m-long machine to be ... More Information

Tunnelling Ends on Metro Project in Lausanne

Tunnelling Ends on Metro Project in LausanneThe final milestone has been reached on the M2 metro line in Lausanne, Switzerland when two teams of tunnellers made the junction at a 136 m-long ... More Information

World's Biggest TBM Finishes Boring in Madrid

World's Biggest TBM Finishes Boring in Madrid 'Dulcinea', the world's biggest TBM featuring a 15.2 m diameter and a power of 22,000 kW, has completed its job in record time. Machine ... More Information

Boring Begins on the San Vicente Pipeline Project

Boring Begins on the San Vicente Pipeline ProjectA Robbins hard rock main beam TBM began boring a section of the San Vicente pipeline in San Diego, California on 21st June, 2006. The 3.5 ... More Information

Lake Hodges-Olivenhain Reservoir Water Tunnel Nears End

Lake Hodges-Olivenhain Reservoir Water Tunnel Nears EndA water tunnel to link Lake Hodges and Olivenhain Reservoir is built by Kiewit Pacific Co. for the San Diego County Water Authority ... More Information

Fifth and Last TBM Launch at Pajares

Fifth and Last TBM Launch at PajaresThe fifth of the five TBMs needed to dig the 2 x 24.7 km Pajares tunnel commenced on 10th July, 2006 from the Asturias side. That TBM has been produced at ... More Information

Second Islisberg Tunnel Breaks Through

Second Islisberg Tunnel Breaks ThroughA Herrenknecht tunnel boring machine (machine S-256) holed through on 12th July, 2006 the 4,645 m-long east tube of the Islisberg tunnel in Zurich, ... More Information

Tunnelling of Maurice Lemaire Safety Tunnel Ends

Tunnelling of Maurice Lemaire Safety Tunnel EndsMore than fifteen months have been necessary for a Herrenknecht gripper TBM, christened 'Cynthia' in December 2004, to complete a 6,226 m-long ... More Information

Line C Extension of Prague Metro Makes Headway

Line C Extension of Prague Metro Makes HeadwayThe extension of Line C in Prague from Ladvi to Letnany (4,602 m, whereof 2,360 m in mined tunnels, with stops in Strizkov, Prosek and Letnany) is built ... More Information

Repairing the Montblanc Tunnels on the Lleida-Barcelona High Speed Link

Repairing the Montblanc Tunnels on the Lleida-Barcelona High Speed LinkThe Camp Magre, Lilla and Puig Cabrer tunnels are situated on subsection lV-b (for the first two) and V on the ... More Information

Putzmeister Ibérica Markets Vacuum Cleaner for TBMs

Putzmeister Ibérica Markets Vacuum Cleaner for TBMsSpain is the world's first market in terms of the number of tunnel boring machines in activity at the moment. At least 25 TBMs were working ... More Information

Third TBM Starts Boring on Line 9 in Barcelona

Third TBM Starts Boring on Line 9 in BarcelonaTunnelling on the future Line 9 of Barcelona's metro, an infrastructure that will cross Barcelona connecting Badalona and Santa Coloma de ... More Information

Chicago Finishes Deep Tunnel

Chicago Finishes Deep TunnelAfter 30 years and more than USD3 billion, the 176 km of tunnels were completed recently when the 12.9 km Little Calumet leg near Calumet City, Lansing and South ... More Information

Lovat TBM Starts Canada Line in Vancouver

Lovat TBM Starts Canada Line in VancouverA Lovat TBM, nicknamed 'Sweet Leilani', was launched with champagne on 10th June, 2006 at an official ceremony at the future False Creek South station ... More Information

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Tunnelling News

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

Brazil's US$1bn underwater tunnel project making waves among potential bidders

The first underwater road tunnel project in Brazil is attracting interest from multiple potential bidders, an official familiar with the matter ... More Information

Element Six and Master Drilling Announce Strategic Partnership for Advanced Tunnel

Achieving high quality, nonexplosive tunnel construction with various aspects of value generated compared to traditional rock excavation methods is a ... More Information

Tutor Perini Wins a $1.2 Billion NYC Contract

A joint venture of Sylmar-based civil construction firm Tutor Perini Corp. and its subsidiary Frontier-Kemper Constructors has won a $1.18 billion contract to construct a pair of rail ... More Information

Milestone reached for $1.6b Auckland wastewater tunne

Watercare's Central Interceptor project has passed an historic milestone with the southern half of the 16.2 kilometre tunnel – Blockhouse Bay ... More Information

Elon Musk's 'Wormhole' Tunnel Promises To Carry 20,000 People Per Hour In Dubai

It’s been more than eight years since Elon Musk decided he was fed up with traffic and declared he’d start digging tunnels to revolutionize public transport across the United States. So ... More Information

First tender for Dubai’s $22bn tunnels due within days

Dubai Municipality is expected to tender the first two packages of the $22bn Dubai Strategic Sewerage Tunnels (DSST) project imminently... More Information