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Intertunnel 2010 gains pace

Intertunnel 2010 gains paceAs the only Italian exhibition dedicated exclusively to the tunnelling industry, Intertunnel is drawing some of the great names to Torino for 8-10th June, 2010. Palazzoli ... More Information

Breakthrough of Barritteri tunnel on the A3 Salerno-Reggio Calabria

Breakthrough of Barritteri tunnel on the A3 Salerno-Reggio CalabriaOn 04.12.2009, the Consortium Salerno-Reggio Calabria, composed of Impregilo and Condotte, broke through the EUR105 million, 2.5 ... More Information

Hedinsfjardargong opening delayed

Hedinsfjardargong opening delayedAt the beginning of April, 2009, the last 40 m of the Hedinsfjardargong tunnel between Ólafsfjördur and Siglufjördur in north Iceland was blasted open. The tunnel ... More Information

New Zealand Rosedale sewer outfall holed

New Zealand Rosedale sewer outfall holedThe 3.3 m-diameter EPB employed by McConnell Dowell on the 2.95 km-long Auckland Rosedale outfall has holed through into the prepared subaqueous shaft, some ... More Information

Robit Rocktools to sponsor tunnelbuilder.com

Robit Rocktools to sponsor tunnelbuilder.comFinland-based Robit Rocktools has gone from strength to strength since the company first became a tunnelbuilder advertiser. Now a major player in the ... More Information

IPS Group Tunnelling Department introduces Keith Gill

IPS Group Tunnelling Department introduces Keith GillIPS Group is pleased to announce that Keith Gill has joined the company and is now representing the IPS Tunnelling Department in the United ... More Information

Sandvik rigs for Vietnam hydro

Sandvik rigs for Vietnam hydroThe Dakmi 4 hydro plant project in Vietnam experienced unforeseen severe rock conditions near the portal of the 3.37 km-long tailrace tunnel, requiring the driving of a ... More Information

BASF launches improved ecological tail sealant

BASF launches improved ecological tail sealantZurich-based BASF Construction Chemicals has launched a specially developed tail sealant with low ecological impact designed for open mode EPB and hard ... More Information

Herrenknecht breakthrough at Buettenberg

Herrenknecht breakthrough at BuettenbergOn 20.11.2009 the 2,500 t Herrenknecht TBM broke through on the first tube of the 1,230 m A5 Buettenberg tunnel on Biel bypass. It will now be moved to ... More Information

Breakthrough for Thessaloniki metro

Breakthrough for Thessaloniki metroIn 2007, Attiko Metro of Athens awarded the EUR958 million contract for design, construction and commissioning of the 9.5 km Thessaloniki metro to an Italian-Greek ... More Information

RITCO joins tunnelbuilder.com

RITCO joins tunnelbuilder.com Royal Industrial Technology Corporation, or RITCO, is the largest tunnel management engineering company in Korea, with 90% market share for roads tunnels of 1-5 km in ... More Information

Tunnel safety and security conference

Tunnel safety and security conferenceThe fourth international symposium on tunnel safety and security, ISTSS, will take place in Frankfurt, Germany from 17-19th March, 2010. Online registration is ... More Information

Thermal Ceramics Firemaster Fire protection for Faver tunnel

Thermal Ceramics Firemaster Fire protection for Faver tunnelCossi Costruzioni SpA will complete construction of the 1.2 km single-tube Faver tunnel on the SS 612 bypass in Val di Cembra in March, ... More Information

Robbins TBMs for Malaysia

Robbins TBMs for MalaysiaSince the 1980s, Malaysia's capital Kuala Lumpur and surrounding areas have experienced rapid economic growth. The area sources most of its water from a network of local ... More Information

Breakthrough in Beles headrace tunnel in Ethiopia

Breakthrough in Beles headrace tunnel in EthiopiaOn 08.11.2009 the 8.1 m-diameter SELI Double Shield/EPB Dual Mode TBM broke through the 12 km long Beles headrace tunnel in Ethiopia. The tunnel is ... More Information

World Tunnel Congress China 2010

World Tunnel Congress China 2010To be held in Shanghai, China on 04-05.03.2010, the World Tunnel Congress China 2010 promises to be an interesting event. Co-organized by Beijing Jiaotong University ... More Information

India-Nepal road link kicks off

India-Nepal road link kicks offThe proposed 76.2 km-long, EUR 474 million fast highway between Kathmandu in Nepal and the Indian border at Birgunj has commenced construction under the direction of ... More Information

ZED - guiding the world's TBMs since 1975

ZED - guiding the world's TBMs since 1975Based west of London, UK, just 30 minutes from Heathrow Airport, ZED Tunnel Guidance specializes in the manufacture of advanced guidance systems for tunnel ... More Information

Adtracker shows the way to success

Adtracker shows the way to successA year ago, tunnelbuilder adtracker was introduced to help fulfil our promise of maximum response for minimum cost throughout the recession. Our tunnelbuilder.com ... More Information

Finnfast crossing opens

Finnfast crossing opensOn the 30.10.2009 the 8,372 m-long Finnfast crossing project on national road Rv 519 in south western Norway was opened to traffic. It consists primarily of a 5,685 m-long ... More Information

Robbins EPB for Chengdu Metro

Robbins EPB for Chengdu MetroThe 11 million inhabitants of Chengdu, China will soon have a reduced commuting time thanks to an extensive new metro system. Chengdu Metro will have five lines ... More Information

Kjøsnesfjorden bypass opens

Kjøsnesfjorden bypass opensOn 02.11.2009 the 3,250 m Kjøsnesfjorden bypass on RV5 between Hammarsgrovi and Stølsneset in Sogn og Fjordane region in Norway was opened, including the Støylsnes ... More Information

tunnelbuilder.com now in nine languages

tunnelbuilder.com now in nine languagesThe latest version of Google translator is sufficiently technically accurate for us to be able to add six languages to our tunnelbuilder.com output. German, ... More Information

Cranes for operation in hazardous areas

Cranes for operation in hazardous areasBritish company J D Neuhaus manufactures air-operated cranes for use in hazardous areas as standard. These include options for increased spark protection and ... More Information

Sustainable solutions from Herrenknecht

Sustainable solutions from HerrenknechtHerrenknecht is presenting examples of innovative high-performance tunnelling technology on the German-Chinese Esplanade in Wuhan. Seven TBMs from the company ... More Information

Marche-Umbria quadrilateral scheme underway

Marche-Umbria quadrilateral scheme underwayOn 30.10.2009, Quadrilatero Marche-Umbria SpA approved the Foligno-Pontelatrave section of SS 77, which comprises 17.5 km of roadway in Umbria to ... More Information

Breakthrough in Sharjah

Breakthrough in SharjahThe twin 1.2 km-long Difah-Shis road tunnels are nearing completion, with the eastbound tube breaking through on 01.10.2009 and the second tube due to hole out in ... More Information

Normet reforms in Canada

Normet reforms in CanadaThe incorporation of Normet Canada Ltd increases to fifteen the number of countries in which Normet has a permanent presence. The new Canadian company will provide the ... More Information

Good progress on the Vitoria-Bilbao-San Sebastian high speed link

Good progress on the Vitoria-Bilbao-San Sebastian high speed linkConstruction of the 5.5 km-long Eskoriatza-Aramaio section on the Vitoria-Bilbao-San Sebastian high-speed railway, of which 3.5 km is ... More Information

Fire Protection and Safety in Tunnels

Fire Protection and Safety in TunnelsThe first Fire Protection and Safety in Tunnels conference is being held in Paris 17-18 November, 2009. The programme is designed to help attendees comply with ... More Information

O Curro tunnel excavation ended

O Curro tunnel excavation endedThe 110 sq m twin-track O Curro tunnel, at 840 m, is the longest of the eight planned tunnels on the 13.2 km Silleda (Dornelas) to Vedra-Boqueixón section of the ... More Information

Live Bids at tunnelbuilder.com!

Live Bids at tunnelbuilder.com!Live Bids is a new service provided by tunnelbuilder for readers whose interest lies in bids rather than awards or news. By clicking on the Live Bids box in the ... More Information

China - Beijing Metro Line 4 opens

China - Beijing Metro Line 4 opensBeijing metro Line 4 started trial operation on 28.09.2009. The 29 km underground line runs from Gongyixiqiao on the South Fourth Ring Road at Fengtai District, via ... More Information

Sandvik signs global agreement with BASF for MEYCO Equipment

Sandvik signs global agreement with BASF for MEYCO Equipment Sandvik Mining and Construction and BASF's unit MEYCO Equipment have signed an agreement on a global cooperation in the field of ... More Information

CAT excavator with tunnel boom boosts productivity

CAT excavator with tunnel boom boosts productivityA CAT 328D LCR compact radius excavator, the first of its type to operate in Switzerland, is at work on the A9 Autoroute project near Visp. With a ... More Information

DSI consolidates global business activities

DSI consolidates global business activitiesDYWIDAG-Systems International (DSI) is a global network of wholly-owned subsidiaries and associated companies with a key focus on developing, manufacturing ... More Information

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Tunnelling News

4000-tonne machines dig arterial route under Melbourne's west

The West Gate Tunnel Project is in full swing beneath Melbourne's inner west, with tunnel boring machines (TBMs) Bella and Vida at the helm... More Information

Gotthard drilling machine gets no further - now it has to be blown up

Forced break in the Gotthard road tunnel: After 190 meters, the drilling machine working on the second tube has come to an end for the time being... More Information

Construction begins on 6 Cross Island Line Phase 2 stations

Tunnel Boring Machine measuring 12.8m in diameter. The machine will “bore through the ground only once for the construction of the tunnel which ... More Information

Tunnel boring machine returns after installing $22 million outfall

A 19.5 tonne tunnel-boring machine docked at Onehunga Wharf on Friday afternoon after successfully tunnelling the $22m Clarks Beach Outfall over ... More Information

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