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Florence high-speed rail tunnel

Florence high-speed rail tunnel

Nodavia, a JV of Coopsette and Ergon, secured the EUR709 million contract for the Florence high-speed rail tunnel and station. More Information

Normet buys out TAM

Two years after acquiring a strategic 40 percent shareholding in TAM International, Normet has now proceeded to full ownership. More Information

Robbins trio at Pahang-Selangor

Three Robbins 5.23 m-diameter hardrock TBMs are returning fast advance rates in widely varying rock strengths and water More Information

CAT TBM holes out in London

Some 32 km of cable tunnels, 14 shafts and four connecting tunnels with associated chambers are under TBM construction by Costain between Hackney and Willesden (3 m-diameter) and between Kensal ... More Information

Bentley software solutions

Bentley Systems Inc provides comprehensive software solutions for sustaining infrastructure from buildings to bridges, transit to utilities, and clean energy to clean water. More Information

CEAR electrical and automation

Costruzioni Elettrotecniche CEAR has thirty years experience supplying electrical and automation solutions to main contractors worldwide in the construction, More Information

Excavation of Olabarrie tunnel starts

On 23.05.2012 excavation of the 1,102m Olabarrie tunnel started, including the 75 m section in cut/cover at the adit. More Information

Shift engineer required

Shift engineer required

iPS is currently looking for a shift engineer whose responsibilities will include supervision of shifts, monitoring TBM operating parameters, More Information

Markovec road tunnel holed

On 14.05.2012 Alpine Bau GmbH broke through the 2,174 m-long left tube of the Markovec bi-tube tunnel on the motorway More Information

ERMCO 2012 Congress for Verona

The XVI International ERMCO Congress, returning to Italy after 26 years, will be in Verona from June 21st – 22nd. More Information

Listec fire detection at Rome metro

The Listec RDU 316 Remote Display Unit is reassuring for Rome metro tunnel operations. More Information

World Tunnel Congress 2012

WTC is taking place in Bangkok, Thailand from 18th to 23rd May. Congress theme is Tunnelling and Underground Space for a Global Society. More Information

Trigoni tunnel on SS106 Jonica

Trigoni tunnel on SS106 Jonica

On 11.05.2012 Cipa SpA broke through the north tube of 840 m-long Trigoni tunnel, lot DG22 of SS106 More Information

Grizzana tunnel on Variante di Valico

Grizzana tunnel on Variante di Valico

On 02.04.2012 the south tube of Grizzana tunnel on the La Quercia-Lagaro section lot 5 of Variante di Valico broke out. More Information

Work begins on Gilon tunnel

On 23.04.2012 the JV Danya Cebus/China Civil Engineering Construction Corp (CCECC) began work on a 4.6 km-long twin-bore tunnel at a depth of 100 m More Information

Robbins foursome at Nanjing metro

Robbins foursome at Nanjing metro

Four Robbins 6.5 m-diameter EPBs with mixed-ground cutterheads have been successfully launched and brought up to speed on two lines of the Nanjing metro in Jiangsu province of China. More Information

Renovation of Leopold II tunnel for 2014

The Brussels Regional Government has given the go-ahead for the renovation by a Private Public Partnership of the 2.5 km-long Leopold II road tunnel More Information

Doha Metro starts in 2013

Qatar Railways Company (QRail) has invited some five tenders for the first phase of the metro rail transit system in the country More Information

CIFA to unveil telescopic shotcrete boom

CIFA to unveil telescopic shotcrete boom

At the World Tunnel Congress 2012 in Bangkok, Thailand 18-23 May, CIFA, a company in the Zoomlion Heavy Industries Group, will present the new CST 8.20 shotcrete jumbo with telescopic boom designed specifically for applications in small size tunnels and mining drives More Information

A4 Delft-Schiedam motorway start

Construction of the A4 Delft-Schiedam motorway commenced on 26.04.2012 under a EUR298 million design and construction contract awarded last year to consortium A4ALL, comprising Boskalis, Heijmans and VolkerWessels. More Information

Malta-Gozo road tunnel options

Malta-Gozo road tunnel options

In July, 2011 Transport Malta appointed Mott Macdonald to carry out a preliminary analysis of road tunnel link options between Malta and Gozo. A fixed link would reduce average journey times by at least 40 minutes. More Information

Emcor requires more agents in Europe

Emcor has 30 years of experience in the manufacture and supply of machines and consumables to the underground sector, helping Spanish tunnelling contractors to become the most efficient in the world. More Information

Global reach by Sandvik

Sandvik provides comprehensive tunnelling and underground civil engineering equipment and expertise across a range of methods including drill/blast, mechanical cutting and breaking. More Information

Funding for Madrid-Galicia HSR

Funding for Madrid-Galicia HSR

Funding of EUR927.41 million including VAT has been approved for work on four sections, in Zamora and Ourense provinces, More Information

More exposure at tunnelbuilder.com

That the tunnelling industry is growing can be measured by the steady increase in bids and awards reported at tunnelbuilder.com More Information

Robbins’ progress in Mexico City

Robbins’ progress in Mexico City

Three 8.93 m Robbins EPBs with continuous conveyor systems are tunnelling from shafts up to 150 m deep through watery clays and large More Information

New record for Sparvo TBM

The 15.62 m-diameter EPB Martina, built by Herrenknecht for the 2.5 km-long twin-tube Sparvo tunnel on Italy’s Variante di Valico project More Information

2013 Strait Crossings conference for Bergen

The sixth international conference, dealing with extreme crossings and new technologies, takes place in Bergen, Norway on 16-19 June More Information

SS77 Sostino tunnel completed

On 03.04.2012, breakthrough was achieved on the 2,834 m south tube of the SS77 More Information

Intermat in Paris

Time to order your visitor badge for Intermat, the international exhibition for equipment and techniques for the construction and materials industries taking More Information

NAT 2012 registration

Registration is now open for the upcoming NAT conference and exhibition scheduled for Indianapolis, 24-27th June, 2012. More Information

New breakthrough on SS77

New breakthrough on SS77

On 26.03.2012, breakthrough of the 3,472 m south tube was achieved on the SS77 Varano tunnel in Serravalle del Chienti municipality More Information

Kiora TBM rescued

The 19.8 km-long Kiora tunnel for the Yin Hong Ji Shi water diversion project in Tabai County of Shanxi Province comprises 8.7 km drill/blast and 11.1 km TBM drive. The drill/blast section has been completed, but the double shield TBM became trapped in poor ground after driving just 6 km. More Information

Breakthrough in Slovenia

The contract to build the twin-tube Markovec road tunnel was awarded to Alpine and its Slovenian partner CPM (Cestno podjetje Maribor) in 2009, but CPM went into receivership in February, 2011 More Information

Hard task in Korea for new Sandvik rig

A Sandvik DT1130i three-boom drill rig, one of the new series from Sandvik, is being employed by Taeah Construction to excavate 2.4 km of the Gwanak highway tunnel south of Seoul. More Information

North American Tunneling 2012 for Indianapolis

The prestigious biennial conference North American Tunneling will take place 24th-27th June, 2012 at the JW Marriott in Indianapolis, IN, US, organized by Underground Construction Association of Society Mining, Metallurgy and Exploration Inc (UCA of SME). 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