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Eurasia tunnel excavation schedule

For driving the Eurasia tunnel beneath the Bosphorus, Turkish-South Korean construction consortium Yapı Merkezi Insaat ve Sanayi AS/SK Engineering & Construction ordered a specially developed 13.6 m-diameter Herrenknecht TBM Mixshield. More Information

Marti chooses Sandvik for Solbakk

Marti chooses Sandvik for Solbakk

Marti Group will employ four intelligent computer-controlled Sandvik DT1 series jumbo drilling rigs at 14.3 km-long Solbakk tunnel, the world’s longest subsea road tunnel More Information

Railworld summit in Bangkok

For those who like railways, metros and tunnels, the ninth Railworld Summit takes place in Bangkok, Thailand 23-25th October, 2013. More Information

BTS London conference

The British Tunnelling Society conference and exhibition is billed as the UK tunnelling event of the year, with over 50 booths sold. More Information

Australian conference call

Call for papers for the fifteenth edition of this triennial event to be held at Hilton Hotel, Sydney 17-19th September, 2014. More Information

Four Robbins EPBs for Brazil

Four Robbins EPBs for Brazil

Metro Fortaleza will be the first application of Robbins EPBs in Brazil. Four 6.92 m-diameter machines have been ordered ahead of contractor selection. More Information

ExpoTunnel in Bologna, Italy 17-19 October 2013

ExpoTunnel in Bologna, Italy 17-19 October 2013

The first edition of the trade show dedicated to all product sectors related to underground, for the creation of underground works as well as the investigation and exploration of ground conditions, will take place on 17th-19th October, 2013 at Bologna Fairground. More Information

SR99 TBM starts digging

SR99 TBM starts digging

On 30.07.2013 TBM Bertha, involved in the Alaskan Way Viaduct Replacement More Information

Sandvik drilling rigs for Sakarya

Sandvik drilling rigs for Sakarya

Contractor Bayburt has ordered seven Sandvik rigs for its Turkish State Railway project More Information

iPS seeking TBM professionals

International recruitment consultant iPS is currently looking for personnel for an upcoming project in Europe starting mid-September. More Information

San Giorgio/Brunico bypass proposals

Florian Mussner, provincial commissioner of public works at Bolzano, presented the 13 variants for the construction of a bypass in San Giorgio/Brunico. More Information

Mom Chung bites dirt at San Francisco

On 26.07.2013 the Robbins EPB, named Mom Chung, started digging, kicking off construction of San Francisco’s new subway tunnel. More Information

TBM Martina ended Sparvo tunnel

TBM Martina ended Sparvo tunnel

On 29.07.2013, after only eight months tunnelling, the 15.62-diameter TBM Martina, built by Herrenknecht for Toto Costruzioni Generali, broke through the 2,600 m south tube of Sparvo tunnel More Information

Terratec microtunnelling system for Bangkok

Terratec microtunnelling system for Bangkok

Terratec has completed factory acceptance tests for a 1.5 m-diameter microtunnelling system to be used in the Bangkok metropolitan area. More Information

Another tunnelling milestone

Tunnelling has been concentrated in Italy, Norway and Spain over most of the 15 years during which tunnelbuilder has been monitoring activity. More Information

Delegations at ExpoTunnel

Delegations at ExpoTunnel

Major Russian and Brazilian delegations will be introduced at ExpoTunnel in Bologna, 17-19th October, 2013 as part of the internationalisation plan for the show. More Information

Robbins sets Indianapolis 24-hour record

Robbins sets Indianapolis 24-hour record

Just two weeks after Tony Kanaan set the fastest winning average speed of over 300 km/h in the Indy 500, a 37 year-old, 6.2 m-diameter Robbins More Information

Milan metro holed out

On 18.07.2013 the fourth and last TBM, the S238 named Roberta driving the underground section between Monumentale and Tre Torri stations, reached Pozzo Orafi, More Information

Sold at Ritchie Bros auction in Caorso

Sold at Ritchie Bros auction in Caorso

At a large industrial auction held by Ritchie Bros. in Caorso (Piacenza) on 11.07.2013, a selection of 1,130 heavy equipment items and trucks were sold to a large crowd of bidders. More Information

Second breakthrough in Val Sarentino

Breakthrough in the second Val Sarentino road tunnel is scheduled for midday on 19.07.2013. More Information

NFM TBM at Caltanissetta

The first parts of the 15 m-diameter, 100 m-long NFM TBM ordered for the twin 3.9 km tubes of the Caltanissetta road tunnel have arrived at site. More Information

TBM dedication in Seattle

On 20.07.2013 a public celebration took place at TBM Bertha’s launch site to mark the start of the SR 99 tunnel beneath Seattle. More Information

Warsaw Metro progress

Warsaw Metro progress

On 28.10.2009 the JV Astaldi (Italy), Gulermak (Turkey) and PBDiM (Poland) signed the EUR780 million contract for design and construction of Warsaw Metro Line 2, More Information

Active tenders

Just as you were thinking you might get a quiet, unstressed holiday season, the tunnelbuilder active tenders list has hit 70 for the first time. More Information

CBE newsletter number 7

CBE newsletter number 7

The latest issue of the informative CBE newsletter has been published, with topics such as special precast facilities, interviews and project updates. More Information

Crossrail newsletter

The Crossrail Moving Ahead newsletter has been released giving full updates on this project, which is now in its fourth year. More Information

Mumbai Metro approval

The Union Cabinet has approved the Mumbai Metro Line-3 Colaba-Bandra-Santacruz Electronics Export Processing Zone (Colaba-Bandra-SEEPZ) corridor. More Information

Pir Panchal inauguration

Pir Panchal inauguration

On 26.06.2013 the 11 km Pir Panchal railway tunnel opened as the longest tunnel in India. More Information

Explosion-proof equipment at Ritchie Bros auction in Italy

Explosion-proof equipment at Ritchie Bros auction in Italy

World-renowned auctioneer Ritchie Bros is selling a variety of heavy equipment at 08.30h on Thursday, 11.07.2013 More Information

Legacy Way TBMs hole out

Legacy Way TBMs hole out

Both 12.4 m-diameter TBMs excavating the Legacy Way tunnels from Toowong to Kelvin Grove in Brisbane, Australia have now holed out some two months ahead of schedule More Information

Fire Protection and Safety

Fire Protection and Safety

The fifth conference on fire protection and safety in tunnels will be held in Copenhagen, from 11th to 12th September, 2013 More Information

Railworld 2013 for Bangkok

The ninth Railworld Summit will take place in Bangkok, Thailand on 24th and 25th October, 2013. More Information

Innovative segment handling clamp

Innovative segment handling clamp

Acimex, the handling equipment branch of CBE, has supplied a clamp to feed complete piles of segments to the TBM More Information

Second TBM reaches Canary Wharf

Crossrail’s second TBM has reached Canary Wharf box, breaking through on 06.06.2013. More Information

Corga de Vela excavation complete

On 13.06.2013 Adif completed the drilling of the Corga de Vela railway tunnel. More Information

Work starts on SS 223

On 14.06.2013 Anas started work on the four-lane adaptation of the 11.56 km Lanzo-Ornate section in Civitella Paganico More Information

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