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Melbourne desalination ant tunnels underway

Melbourne desalination plant tunnels underwayTwo Herrenknecht 4.8 m-diameter TBMs equipped with VMT guidance systems are at work on the fourth, and largest, desalination plant to be built in ... More Information

Normet global spares depot opens in Netherlands

Normet global spares depot opens in NetherlandsNormet Life Time Care has opened its global distribution centre for spare parts in Maarssen, The Netherlands with the objective of speeding deliveries ... More Information

City of Austin pre-bid meeting

City of Austin pre-bid meetingAll companies interested in bidding on the Waller Creek flood control tunnel and shafts project are invited to attend a vendor conference at 10.30h on 22.09.2010 in ... More Information

Shetlands tunnel manager appointment

Shetlands tunnel manager appointmentThe Shetland Islands Council in the north of Scotland is appointing a senior manager to oversee plans for four subsea tunnels over the next 20 years. The islands ... More Information

Sruwaddacon Bay tunnel alignment moved

Sruwaddacon Bay tunnel alignment movedShell has realigned the route of the proposed Corrib gas pipeline in County Mayo in order to avoid homes in the locality, and will reduce the gas pressure in ... More Information

Thames Water invites qualification

Thames Water invites qualificationThames Water Utilities Ltd is inviting organizations to qualify for its UK construction, operational and service registers, which form the basis for contract awards ... More Information

Tunnel Design & Construction comes to Switzerland

Tunnel Design & Construction comes to SwitzerlandThe inaugural Tunnel Design & Construction Europe conference tales place at the Crowne Plaza Zurich on October 25-28, 2010 following ... More Information

Catalogue of notable tunnel failures

Catalogue of notable tunnel failuresThe Civil Engineering and Development Department of Hong Kong SAR has updated its comprehensive catalogue of reported tunnel failures between 1964 and end-2008. ... More Information

Rosedale outfall commissioned

Rosedale outfall commissionedMcConnell Dowell contractors have commissioned the 3 km-long wastewater tunnel from Rosedale WWT plant to Wairangi Bay in Auckland, NZ. The 3.3 m-diameter Lovat RME131SE ... More Information

TBM tunnelling underway at Brisbane Airport Link

TBM tunnelling underway at Brisbane Airport LinkBoth Herrenknecht 12.45 m-diameter EPBs are now underway at the Airport Link tunnels in Brisbane, Australia. Starting from Clayfield in a westerly ... More Information

Bangalore Metro Rail tunnelling to start soon

Bangalore Metro Rail tunnelling to start soonWork has started on ramps and utilities diversion for the 3.4 km-long East-West underground section of Metro Rail alignment from MG Road to the Leprosy ... More Information

Self compacting concrete moulds from CBE

Self compacting concrete moulds from CBECBE Group has developed a unique method of segment production without vibration. During casting, the mould is inclined and self compacting concrete is ... More Information

CBE sponsors tunnelbuilder.com

CBE sponsors tunnelbuilder.comFrench group CBE, led by engineer Didier Lefebvre since 2005, has grown to208 employees at two major locations in Saint Avertin and L’Ile Bouchard, serving 30 ... More Information

Hindhead tunnel drivethrough

Hindhead tunnel drivethroughTen years after being let as a design/build contract, the 1.6 km-long twin tube A3 Hindhead tunnel in southeast England is set to open in summer, 2011. A ministerial ... More Information

Irish Rail names DART shortlist

Irish Rail names DART shortlistPrequalified construction consortia for Dublin's EUR2.5 billion DART underground railway have been named as BBI (Balfour Beatty Capital, BAM PPP Investments Ireland, ... More Information

EuroTAP reports on safety compliance failures in road tunnels

EuroTAP reports on safety compliance failures in road tunnelsRecent inspection of 26 tunnels in 13 countries under the European Tunnel Assessment Programme has revealed that almost 40% missed the ... More Information

Boomer arrives in style

Boomer arrives in styleRefurbishment of the Linth-Limmern hydro station is setting new standards in equipment design and delivery. Construction will take 250 workers nearly five years to complete ... More Information

International tunnel forum at InnoTrans 2010

International tunnel forum at InnoTrans 2010The international tunnel forum takes place 22-23 September, 2010 at InnoTrans, the transport technology meeting in Messe Muenchen, parallel with product ... More Information

Recovery Act funds Doyle Drive replacement

Recovery Act funds Doyle Drive replacementExcavation started this week on the first of four tunnels forming part of the Doyle Drive Replacement Project on the southwest connection to the Golden Gate ... More Information

Aker Wirth inclined TBM for Switzerland

Aker Wirth inclined TBM for SwitzerlandThe Limmern access tunnel at Tierfehd in the Swiss canton of Glarus has a diameter of 8.03 m and will rise at a constant gradient of 24% from 800 m ASL to ... More Information

Limerick tunnel opens to traffic

Limerick tunnel opens to trafficThe Limerick southern bypass is now complete, and opened to traffic last week when the 900 m-long immersed tube tunnel beneath the River Shannon was inaugurated. The ... More Information

More Google translations for tunnelbuilder

More Google translations for tunnelbuilderSpanish, Italian and Chinese have been added to our range of Google translations of tunnelbuilder.com and Newsfeed, making a total of 10 languages now ... More Information

Putzmeister worldwide market presence

Putzmeister worldwide market presencePutzmeister supplies the construction, mining and tunnelling industries with concrete, mortar and solids pumps and high-pressure cleaners in systems developed, ... More Information

Toronto opts for foot tunnel to airport

Toronto opts for foot tunnel to airportToronto Port Authority will start work in 2011 on the EUR33.5 million pedestrian tunnel beneath the Western Channel linking the Western Gap ferry docks at the ... More Information

New Robbins support system working at Qinling

New Robbins support system working at QinlingThe 16.6 km-long West Qinling rail tunnels will pass nearly 1.5 km beneath the mountain peaks, necessitating a complete rethink of the TBM support ... More Information

Happy holidays to all our readers!

Happy holidays to all our readers!All at tunnelbuilder wish you a great holiday! This year, more than ever, you have earned it! The industry has survived the recession in great shape, a tribute to ... More Information

Swedvent introduces new quiet fans

Swedvent introduces new quiet fansA new generation of Swedvent ventilation fans and ducting for tunnel construction has been announced by the Swedish manufacturer. Design changes have resulted in ... More Information

Lucerne bypass in design

Lucerne bypass in designThe Federal Council recently added the Lucerne bypass project to Module 3 of its programme to improve capacity on the road network. The design will be studied in depth and ... More Information

Work starts on India's longest road tunnel

Work starts on India's longest road tunnelWork on India's 8.8 km-long Rohtang tunnel began end-June, 2010 with completion scheduled in 2015, a duration of 63 months. Ms/SMEC International Pvt Ltd ... More Information

Ourense-Vigo AV line project approved

Ourense-Vigo AV line project approvedOption 3 of the feasibility study for the 54.6 km Ourense-Vigo high-speed line has been approved in which an 18 km-long central tunnel will be required from the ... More Information

Sarria tunnel excavation completed

Sarria tunnel excavation completedThe 3,118 m-long Sarria tunnel on the 4.96 km Sarria de Ter-Sant Julia de Ramis subsection of the Madrid-Barcelona-French border high-speed railway was completed on ... More Information

East Side Access moves ahead

East Side Access moves aheadA milestone on the long awaited East Side Access beneath the East River between Manhattan and Queens boroughs in New York was reached when a Robbins main beam TBM ... More Information

Specialized treatment plants from Fraccaroli & Balzan

Specialized treatment plants from Fraccaroli & Balzan For more than 40 years Italian manufacturer Fraccaroli & Balzan has been a world leader in providing wastewater treatment plants and mud ... More Information

New credit facility for Athens Metro extension

New credit facility for Athens Metro extensionOn 17.06.2010 Attiko Metro S.A. and European Investment Bank (EIB) signed an agreement covering a new credit facility of EUR150 million for design, ... More Information

Mühlhäuser launches customer-friendly website

Mühlhäuser launches customer-friendly websiteLong-time tunnelbuilder client Mühlhäuser has a new home page designed to provide information needed by customers in their project planning. Product ... More Information

NZ Transport Agency seeks registrants for Auckland job

NZ Transport Agency seeks registrants for Auckland jobRegistrations of interest are sought, at the latest by 21st July 2010, from suitably qualified and experienced consortia to deliver the design ... More Information

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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