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Rutherford for temporary electrical equipment and cables

Rutherford for temporary electrical equipment and cablesBased in New South Wales, Australia, and with strategically located companies in Italy and Singapore, Rutherford Power is well placed to ... More Information

Seville metro operational

Seville metro operational Line 1 of Seville metro opened on 02.04.2009 with 17 of 22 stations operating, from Ciudad Expo in Mairena del Aljarafe to Condequinto station at Dos Hermanas. For ... More Information

Breakthrough in New Zealand

Breakthrough in New ZealandMcConnell Dowell & Fletcher Construction JV has reported early completion of the 2,953 m-long TBM drive for the Orakei Main Sewer Hobson Diversion (OMSHD), some 17 ... More Information

VMT expands in Australia

VMT expands in AustraliaDuring the last two years, Australia has grown into one of the key markets for VMT GmbH worldwide. Huge infrastructure projects, such as the North-South Bypass Tunnel or the ... More Information

New hydro project for Bosnia Herzegovina

New hydro project for Bosnia HerzegovinaDMT, a provider of technology services based in Essen, Germany is contributing to the feasibility study for a new hydroelectric plant near Vrelo in Bosnia ... More Information

Recession lessons (12)

Recession lessons (12)On 21.05.2006 the people of Montenegro voted for independence from Serbia, and the country is now a sovereign state and member of the UN, with EU candidate status expected this ... More Information

World Tunnel Congress in Budapest

World Tunnel Congress in BudapestThe next ITA World Tunnel Congress (WTC 09), entitled Underground Space and Tunnelling: Planning with Vision, will be organized by the Hungarian Tunnelling ... More Information

Ten years of progress at tunnelbuilder.com

Ten years of progress at tunnelbuilder.com1st April, 1999. The Internet bubble had popped, first generation dot.com companies had gone bust, and magazines were looking sick. Recession was the name ... More Information

Ten years of progress at tunnelbuilder.com

Ten years of progress at tunnelbuilder.com1st April, 1999. The Internet bubble had popped, first generation dot.com companies had gone bust, and magazines were looking sick. Recession was the name ... More Information

tunnelbuilder - meet the team

tunnelbuilder - meet the teamWhether you speak English, Spanish, Italian, French, German, Portuguese, Welsh, or most other languages, we will understand you. Our people in London, Madrid, Milan, Las ... More Information

Brenner base tunnel moves ahead

Brenner base tunnel moves aheadAt talks held at the EU in Brussels last week, EU transport commissioner Antonio Tajani, Austrian transport minister Doris Bures, Italian transport minister Altero ... More Information

Recession lessons (11)

Recession lessons (11)"The international economic stimulus packages are creating unprecedented opportunities for the tunnelling profession. Engineers understand the risks, understand the realities, ... More Information

Turin metro reaches Dante station

Turin metro reaches Dante stationAt Turin metro, during the period 07.10.2008 to 12.03.2009, TBM Caterina completed excavation of the tunnel from Marconi station to Nizza station, and the 500 m-long ... More Information

Perschling chain breakthrough by Herrenknecht TBM

Perschling chain breakthrough by Herrenknecht TBMOn 11.03.2009, after meeting serious challenges during the construction phase, the Herrenknecht S-319 12,980 mm-diameter, 3,200 Kw single shield TBM ... More Information

Schlüchterner breakthrough by Wirth-NFM TBM

Schlüchterner breakthrough by Wirth-NFM TBMOn 19.03.2009, after nearly 23 months of intensive construction work, the 4 km-long Schluechterner tunnel on the Fulda-Frankfurt/Main railway achieved ... More Information

Epping-Chatswood tunnel cracks

Epping-Chatswood tunnel cracks The New South Wales Government in Australia is undertaking electronic monitoring of the EUR1.2 billion Epping to Chatswood railway line after cracks appeared in the ... More Information

Recruitment services in Toronto

Recruitment services in TorontoKevin Browning, Managing Director of International Tunnelling Services, is attending the 27th annual International No-Dig Show at the Sheraton Centre in Toronto, ... More Information

India - Robbins EPB surpasses records on New Delhi metro

India - Robbins EPB surpasses records on New Delhi metroIn February, 2009 one of two 6.52 m diameter Robbins EPBs boring India's New Delhi Metro achieved a weekly advance rate of 168 rings, or 202 ... More Information

Nororiente Motorway opened in Santiago, Chile

Nororiente Motorway opened in Santiago, ChileOn 9th March, 2009 Michelle Bachelet, President of Chile, and Luis del Rivero, Chairman of Sacyr Vallehermoso, opened the 21.5 km-long Nororiente ... More Information

NCE Crossrail Conference

NCE Crossrail ConferenceWill be held on Tuesday 31st March 2009 at the Hotel Russell, London W1The conference explores an expansive range of topics from design to procurement, construction to ... More Information

Rock mechanics, stability and design of tunnels and slopes

Rock mechanics, stability and design of tunnels and slopesProf. Dr.-Ing. Walter Wittke and Dr.-Ing. Bettina Wittke-Schmitt will host the 6th annual WBI-International short course from 26.11.2009 to ... More Information

International Symposium for Shanghai

International Symposium for ShanghaiThe fourth annual symposium on tunnelling, entitled Safety and Environmental Friendliness in Tunnel and Underground Works, is scheduled for Shanghai from October ... More Information

New concept tunneljobs.com relaunched

New concept tunneljobs.com relaunchedtunnelbuilder has relaunched its tunneljobs.com website, accessible through the Jobs button in the toolbar at the top of this page. tunneljobs.com has been ... More Information

RETC 2009 to be bigger, better than ever before

RETC 2009 to be bigger, better than ever beforeFrom ABC to ZED, more than 100 exhibitors are already signed up to RETC 2009, which takes place June 14-17 at Caesars Palace, Las Vegas. A fair ... More Information

Figueres tunnel excavation underway

Figueres tunnel excavation underwayWork has started on the 1.75 km-long Figueres tunnel on the 7.48 km-long Borrassa-Figueres section of the Madrid-Barcelona-French Border high-speed railway line. ... More Information

High speed from Madrid to the Atlantic

High speed from Madrid to the AtlanticThe 87.1 km-long section from Ourense to Santiago de Compostela on the Madrid-Galicia electrified high-speed line is European standard, double track. It passes ... More Information

Italian tunnel upgrades announced

Italian tunnel upgrades announced Autostrade per l'Italia Spa has announced the awards of contracts to upgrade installations in 50 tunnels on the A1 and A7 motorways out of Milano. Medi Impianti ... More Information

Abu Dhabi by 2030

Abu Dhabi by 2030The Capital City District, currently under planning for the Emirate of Abu Dhabi in the UAE, will house 350,000 people and provide 150,000 jobs. An integrated, high capacity transit ... More Information

Italian tunnel upgrades announced

Italian tunnel upgrades announced Autostrade per l'Italia Spa has announced the awards of contracts to upgrade installations in 50 tunnels on the A1 and A7 motorways out of Milano. Click here. 09/09. More Information

Excavation of Stafelter tunnel starts in Luxembourg

Excavation of Stafelter tunnel starts in Luxembourg Excavation of the 1.85 km-long twin tube Stafelter tunnel on the A7 Route du Nord began at the south portal on 18.02.2009. The tunnel, 200 m of ... More Information

Recession lessons (10)

Recession lessons (10)"Longterm, American business is a very good place to be, but sometimes the machine gets gummed up, and people get afraid. Fear is contagious: it takes five minutes to become ... More Information

Work starts in Laives tunnel

Work starts in Laives tunnelWork started on 10.02.2009 at the northern portal of the new 2,882 m-long, Laives tunnel in Trentino Alto Adige, Italy, which is part of the ring road between Bronzolo ... More Information

Robbins TBM designed to reduce diameter

Robbins TBM designed to reduce diameterThe Robbins main beam TBM employed at Akkoy II hydro project in northeast Turkey will bore a 6.7 km-long headrace at 4.8 m-diameter before downsizing to 4.0 ... More Information

New BASF excluder grease for TBMs

New BASF excluder grease for TBMsBASF Construction Chemicals has set up a dedicated production plant for main bearing sealing greases for the current generation of large, fast TBMs. Read the full ... More Information

Herrenknecht threesome for Mexico City

Herrenknecht threesome for Mexico CityHerrenknecht is providing three EPBs for the Mexico City Eastern Wastewater Tunnel, which will have a total length of 60 km at depths of up to 200 m. The first ... More Information

North American update

North American updateThe proposed replacement of the Alaskan Way viaduct in downtown Seattle with a 3.2 km-long bored double-deck road tunnel is symptomatic of the current trend in North America to ... More Information

Tunnelling News

Kerala Moves Closer To Vizhinjam–Balaramapuram Tunnel Rail Project

The Kerala government is preparing to invite bids next month for the tunnel rail project linking Vizhinjam International Seaport with ... More Information

Norway's Ship Tunnel Project Under Threat as Costs Rise

New cost estimates suggest the ambitious project will far exceed its approved budget, raising questions about whether it will ever be built. More Information

Davao City Bypass southbound tunnel nears breakthrough

The Department of Public Works and Highways (DPWH) announced that the southbound tunnel of the Davao City Bypass Construction Project (DCBCP) is ... More Information

CA should pursue better alternatives to the costly Delta Tunnel Project Stocktonia

Governor Gavin Newsom is attempting to fast-track the construction of a massive, budget-busting water tunnel through the Delta to ship freshwater to ... More Information

Physical Origins of Shear Strength Fluctuations in Fault Gouges

Fault gouge is rock texture within fault zones that may include rock fragments (RF) and foliated structures. Previous studies have primarily focused on remould soils, the natural structure ... More Information

Webuild expands its role in high-speed rail projects

Four modern tunnel boring machines will be deployed to ensure precision and safety in complex geological conditions. Once completed, the old single- ... More Information

Hudson Tunnel Project advances as tunnel boring machines near completion

The Hudson Tunnel Project hit a key milestone as massive tunnel boring machines near completion, with delivery set for November. More Information

Nagdhunga tunnel in final stages of construction

If we look at the history of road construction and development in Nepal, there are various records of road construction starting from the Rana period. According to articles published in ... More Information

Boring of tunnel across Yellow River completed in China's Shandong

Constructed by using a "Shanhe" shield machine with a 17.5-meter excavation diameter, this double-deck, two-way, six-lane tunnel stands as the world's ... More Information

The £1.6bn plan for world's deepest underwater road tunnel leaving 'no room for error'

Opening of Rogfast tunnel under construction. The Rogfast tunnel will be the longest and deepest undersea road tunnel on Earth. (Image: SKANSA). A ... More Information

Tunnelling complete on NSW's Coffs Harbour bypass project

Tunnelling has been completed on the A$2.2bn (£1.1bn) Coffs Harbour bypass project in New South Wales, Australia, with the excavation of the third ... More Information

Veidekke acquires tunnel construction contract for Gothenburg's West Link Project

Veidekke has received a contract from the Swedish Transport Administration to build the Stora Hamnkanalen tunnel, a component of the West Link ... More Information

German Rail completes construction of Rastatt Tunnel

GERMAN Rail (DB) has completed civil works on the new 4270m twin-bore Rastatt Tunnel, a major component of the project to widen to four tracks the ... More Information

Final contracts signed for Eastern Freeway transformation

A huge amount of work is underway to build North East Link and upgrade the freeways – two tunnel boring machines are digging deep under Rosanna ... More Information

Progress on Sydney pipeline duplication

Bouygues Construction Australia and Rob Carr have launched a tunnel boring machine (TBM) on Sydney Water's Thornleigh pipeline duplication ... More Information

The latest plan to connect BART to downtown San Jose: One tunnel rather than two

When BART and Santa Clara Valley Transportation Authority first discussed plans to send trains rolling under downtown San Jose, transit officials contemplated a design with two tunnels ... More Information

Nashville Tesla tunnel: Here's when construction could start on the Music City Loop

Elon Musk's The Boring Company is currently in the design phase of constructing a tunnel connecting downtown Nashville to the Nashville ... More Information

World's longest underwater 'mega tunnel' to cost $46 billion but will halve 21-hour drive

Oddvar Kaarmo, the Rogfast project manager, cited additional motivation for the tunnel's construction: "The port at Mortavika is quite exposed and ... More Information

China's first vertical large model for tunnel, underground space sector released

The project which is in the Guangdong-Hong Kong-Macao Greater Bay Area. The model helps make tunnel construction safer, higher-quality, more efficient and ... More Information

BMC Begins Major Water Supply Upgrade Mumbai

The project commenced in 2023 and has adopted tunnel boring machine (TBM) technology to minimise surface disruptions in crowded neighbourhoods. Of ... More Information

Slurry tunnel boring machines to be deployed for Bengaluru Twin Tunnel Road Project

B-SMILE opts for slurry TBMs over hard rock TBMs for Twin Tunnel Road project in Bengaluru due to mixed terrain... More Information

Tunnel along railway linking Shenzhen and Shanwei special cooperation zone under construction

Technicians check a tunnel boring machine (TBM) at the construction site of a tunnel in Pingshan, Shenzhen City, south China's Guangdong Province, Aug ... More Information

Construction staging area approved for Nashville's airport tunnel project

The Music City Loop will be a 10 mile tunnel connecting downtown Nashville to the Nashville International Airport (BNA)... More Information

Zojila tunnel deadline pushed to 2028: Here's why Asia's longest tunnel project is delayed

Zojila Tunnel Latest Update: On completion, the project will not only play an important role in the country's infrastructure development but also ... More Information

W.A. Rasic Construction Awarded Major Subcontract on Dragados' $630M Effluent Outfall

The tunnel project is a critical component of Southern California's long-term infrastructure resilience strategy. The project directly supports the ... More Information

VDOT gives HRBT expansion update

Construction on the Hampton Roads Bridge-Tunnel Expansion Project hit key milestones as tunneling progresses and traffic shifts to new lanes. More Information

HS2 lifts third TBM following 3.4-mile journey

HS2 Ltd has lifted Tunnel Boring Machine Emily's 9.11-metre diameter cutterhead, front and middle shield, weighing 880 tonnes, from below the ... More Information

Musk's Boring Company unveils Music City Loop tunnel project for Nashville

The big picture: The project has an ambitious timeline of completing the 10-mile route in less than two years. The tunnel would move vehicles at warp ... More Information

Progress Update on East Dallas Tunnel Project to Address Flooding Problems

With so much rainfall throughout the metroplex, NBC 5 wanted an update on a project expected to mitigate flooding in East Dallas... More Information

KIB gets go-ahead for landmark Kuwait tunnel revamp project

On the key tunnel beautification project, Vice Chairman and CEO Raed Jawad Bukhamseen said: "This initiative reflects KIB's vision of supporting ... More Information

From hills to hope

As night falls over the northern highlands of Lesotho in early July, winter's chill sets in. Yet, the Polihali Transfer Tunnel construction site ... More Information

Tunnel boring machines reach Parramatta in major Metro West milestone

Tunnel boring machines have reached Parramatta, marking a major milestone in the construction of the Metro West project. More Information

Completion of hyperbaric excavated tunnel marks major milestone for Naples-Bari rail project

The construction of the Casalnuovo Tunnel, a critical and technically challenging segment of the high-speed railway line between Naples and Bari ... More Information

Multraship tugs support Antwerp Scheldt tunnel construction

Tugboats are supporting the construction of a motorway tunnel in the River Scheldt in Antwerp by towing and manoeuvring concrete structures and ... More Information

Europe's $45BN Mega Tunnels through the Alps

Discover the record-breaking network of tunnels being constructed beneath the Alps. This video explores the top 6 longest tunnels in the region, .. More Information

AFRY secures contract for Switzerland's Twann Tunnel project

Construction oversight of the Twann Tunnel in the country. The tunnel on the Lake of Bienne is intended to ease traffic congestion in Twann by ... More Information

Line 5 Tunnel Project: Public comments now open for proposal to build under Straits of Mackinac

"The purpose of the project is to facilitate the construction of a tunnel beneath Lake Michigan bottomlands to replace the Line 5 dual pipelines ... More Information

ECRL Breakthrough: Genting Tunnel Becomes SEA's Longest Rail Tunnel

Genting Tunnel's construction used both Tunnel Boring Machines (TBM) and traditional drill-and-blast methods. The TBMs, built in China and ... More Information

Sydney tunnel factory creates 700 manufacturing jobs

The factory will support two of the largest tunnel boring machines (TBMs) in the Southern Hemisphere, set to arrive later this year. Once ... More Information