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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

Book early for Hong Kong Tunnel Design & Construction conference!

Book early for Hong Kong Tunnel Design & Construction conference!Tunnel Design & Construction Northeast Asia takes place at Harbour Grand, Hong Kong 24-25 November, 2010. Register before 13 ... More Information

New video detection management system from Traficon

New video detection management system from TraficonTraficon Flux collects traffic data, alarms and video images generated by video detectors in tunnels and on the open road, providing an interface ... More Information

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Tunnelling News

Successful Breakthrough of Gudauri Tunnel in Georgia's North-South Corridor KK Highway Project

KAZBEGI, Georgia, April 23, 2024--The 10-kilometer LOT1 Section is constructed by China Railway Tunnel Group Co., Ltd., of which the Gudauri ... More Information

Construction of Shinku La Tunnel to bolster all-weather connectivity in Ladakh Rising Kashmir

Leh, Apr 21: Member of Parliament from Ladakh, Jamyang Tsering Namgyal, announced that work on the strategically vital Shinku La Tunnel is set to ... More Information

Tunneling works for key Davao bypass road seen completed this year

The Davao City Bypass Construction Project is among the 14 foreign-assisted infrastructure projects approved by the National Economic Development ... More Information

Hamptons Subway Cuts Ribbon on New Foxwoods Tunnel

Hamptons Subway, with U.S. Transportation Secretary Pete Buttigieg, cut the ribbon to begin construction of the new tunnel from Sag Harbor to ... More Information

_TBM quartet tackles differing geology on twin bore tunnel under London

All four tunnel boring machines are now working on HS2's Northholt tunnel, which is divided into two geologically differing sections. More Information

CRCHI video

New CRCHI video for world leading underground equipment - Technology innovates the world... More Information

Deer Creek update

Exciting update from the Deer Creek project team! The Wasatch Worm is almost in the ground and will be ready to start tunneling this week. Over the next few months, it will be devouring a ... More Information

Stonehenge tunnel: Underground cabling installed, while other enabling works paused

The scheme, which involves the construction of a new 12.8km two-lane dual carriageway with a 3.2km tunnel under the Unesco World Heritage Site, was ... More Information

Nepal's first transport tunnel being built with Japanese assistance

Nepal and Japan signed the contract for construction of the tunnel on September 23, 2019, while the commencement started on November 14, 2019. More ... More Information

Cowi selected as technical advisor on world's first ever ship tunnel proposed in Norway

Construction is currently estimated to begin next year. The objective of the Stad Ship Tunnel project is to improve the navigability and safety of ... More Information

How Arnold Dix became a Himalayan hero after rescuing 41 workers from Indian tunnel collapse

Arnold Dix slid his hand into a gap in the rock at the entrance to a tunnel where 41 men were trapped alive, put his back against the cold stone and listened, and felt, and listened some ... More Information

Central Interceptor Tunnel Boring Machine

Watercare Services Limited’s Central Interceptor Tunnel Boring Machine, Hiwa-i-te-Rangi, has achieved a significant milestone, reaching 10,000m (10 kilometres) since leaving Māngere in ... More Information

New tunnelling machine joins three others digging high-speed line under London

Construction of the new HS2 line has hit another major milestone with the launch of the fourth – and final – machine being used to build the giant Northolt Tunnel beneath the capital... More Information

Lower Thames Crossing planning decision moves a step closer

On 21 March, the Planning Inspectorate confirmed that the Examining Authority has sent their recommendation report on the Lower Thames Crossing Development Consent Order (DCO) application ... More Information

AECOM-Jacobs JV signs on to $6B Amtrak tunnel job

Amtrak is gearing up to dig deep in Baltimore. The railroad company selected ADVANCE, a joint venture between Dallas-based infrastructure firms AECOM and Jacobs, to serve as the delivery ... More Information

Lower Thames tunnel boosts new orders data

UK construction contract awards reached their highest level in February 2024 for seven months, according to one of the industry's data monitoring ... More Information

The incredible new £53m tunnel in Spain linking two pretty cities

The work is part of efforts to modernise the railway line between Ourense and Lugo in the autonomous Galicia region. Spanish construction giant ... More Information

ECRL hits new milestone with the completion of three tunnel excavations in Bentong district

The ECRL project features the construction of 41 tunnels with a total length of approximately 69 km along its rail alignment. Section A (Kota Bharu- ... More Information

Boring Co. receives go-ahead to drill more Vegas Loop tunnels

LVCVA President and CEO Steve Hill offered the company access to safety officers after the company was fined $100000 for construction violations ... More Information

Biden-Harris Administration Announces Nearly $4 Billion in Support

The project includes construction of a new two-track heavy rail tunnel along the Northeast Corridor from the Bergen Palisades in New Jersey to ... More Information

World's Longest Twin-Lane Tunnel Inaugurated In Arunachal Pradesh

Constructed by the Border Roads Organisation (BRO) for INR 825 crore, the tunnel is strategically vital due to its proximity to the Line of Actual ... More Information

The £13.3bn tunnel 8.5 miles long that could transform one of the world's biggest cities

The Second Avenue Subway's per-mile construction cost is higher than that of other projects in similar cities like London's Crossrail and Paris's ... More Information

First look inside Silvertown tunnel as TfL confirms summer 2025 opening

... tunnel construction in the face of environmental concerns. Construction is costing about £1bn – with a further £1.2bn due in annual repayments ... More Information

Consortium of Aecom and Arcadis appointed to tunnel and station design contract for Ontario metro

The scope of work for the PTUS contract includes construction of 3km of twin tunnels underneath Pape Avenue between the Gerrard tunnel portal and ... More Information

Snowy Hydro is inching towards powering the nation

... tunnelling progress of one of its critical boring machines ... Some 80 metres underground in temperatures well in excess of 30C, tunnel boring machine ... More Information

Judge rejects challenge to £1.7bn Stonehenge Tunnel

The High Court has thrown out a case brought by campaigners against the £1.7bn Stonehenge Tunnel project. Mr Justice Holgate said most of the ... More Information

9 of the longest underwater tunnels in the world

These stations are the first railway stations constructed under the sea and serve as emergency escape points in case of a disaster. Today, the Seikan ... More Information

EPC contractors sought for Dubai's £17bn sewer tunnels project

The strategic sewerage tunnels project by Dubai Municipality known as the Deep Tunnels Portfolio will involve the construction of wastewater assets ... More Information

The $7BN Mega-Tunnels You've Never Heard Of

But thanks to some incredible underground construction methods, Antwerp is now on course to complete a massive piece of infrastructure it's been ... More Information

3 listed & 2 Unlisted get LOA to build Mumbai Coastal Road Ext

The underground tunnel will run below Malad and Kandivali through the Mangrove creeks and a tunnel boring machine (TBM) will be used for this phase. More Information

New tunnel planned to under the Thames at Tilbury and Gravesend

ianVisits ... tunnel (c) National Grid. Construction will be done by a conventional tunnel boring machine (TBM), which will launch from a 41-metre deep shaft dug ... More Information

Third tunnel breakthrough on Guildford sewage works

A micro-TBM recently broke through on a new tunnel being built for Thames Water's project to relocate sewage treatment works in Guildford. More Information

Japan maglev train project being derailed by Shizuoka stalemate

Opposition in Shizuoka Prefecture emerged from fears the planned tunnel construction for the line could adversely affect the overall volume of water ... More Information

World's most expensive tunnel that ended up costing a whopping £2.3m a day to build

Over 5000 construction workers were employed to complete the Central Artery/Tunnel Project in the United States. More Information

Underground or Elevated Metro Rail – Which One is Better for India?

The cost of tunnel boring machines (TBM) is another significant component. The tunneling cost can be reduced by making longer tunnel contract ... More Information

From Undersea Tunnel To Station Redevelopment

The NHSRCL will construct an adjoining tunnel location as part of the package. To construct this tunnel, the Tunnel Boring Machines (TBMs) with a ... More Information

Second tunnel boring machine for Broadway Subway reaches South Granville Station

The tunnel boring machines will end their journey just before Arbutus Station, which spans two city blocks, with the west block used as the footprint ... More Information

BESIX-MTH awards Nordhavn work to Bravida

... construction of the Nordhavn Tunnel. By & Havn is tasked with developing Ørestad and the port of Copenhagen and runs the daily operations of the ... More Information

After India's first undersea tunnel, Mumbai to get its longest intra-city underground road

... construction with viaducts and modern safety measures. The Coastal Road tunnel is India's first undersea tunnel, constructed using a 12-metre ... More Information