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Fermacell fire-resistant boards protect tunnels

Over more than thirty years, Aestuver has developed into one of Germany's leading firms in the glass fibre reinforced lightweight concrete sector. Their Fermacell branded fire protection boards can ... More Information

Robbins TBM launched at Laotian hydro

Robbins TBM launched at Laotian hydroIn February 2010, contractor CMC di Ravenna launched the first TBM to work in Laos. The 7.6 m-diameter Robbins single shield TBM is excavating a 5.5 km-long ... More Information

IPS Group aids Skanska-Vinci at Hallandsas

IPS Group aids Skanska-Vinci at HallandsasIPS Group and Skanska-Vinci joined forces in 2005 for the Hallandsas project, an extremely challenging undertaking, involving state of the art equipment and ... More Information

Blasting underway in Ceneri base tunnel

Blasting underway in Ceneri base tunnelThe first blast took place in the main lot of the Ceneri base tunnel on the 10.03.2010. The job was awarded to a consortium of Societa Italiana per Condotte ... More Information

Pando and Monte Lirio HEPPs ready to start

Pando and Monte Lirio HEPPs ready to startTunnel excavation by SELI SpA for the Pando and Monte Lirio hydroelectric power projects in Panama is expected to start in April, 2010 for completion in ... More Information

German HSR breakthroughs

German HSR breakthroughsThe 6,466 m-long western bore of the Bibra tunnel on the Erfurt-Leipzig/Halle high-speed railway broke through on 03.03.2010. It was excavated using drill/blast techniques by ... More Information

Thirre-Kalimash tunnel under reconstruction

Thirre-Kalimash tunnel under reconstructionBreakthrough of the bi-tube 5,475 m Thirre-Kalimash tunnel was achieved at end-May, 2009 as part of the Bechtel-Enka contract to build the 61 km four lane ... More Information

Breakthrough on A3 Salerno-Reggio Calabria motorway

Breakthrough on A3 Salerno-Reggio Calabria motorwayThe EUR26 million Monaco tunnel, in Grimaldi municipality on the A3 Salerno-Reggio Calabria motorway, holed through on 01.03.2010. The new tunnel ... More Information

Sydney metro plans stalled

Sydney metro plans stalledOn 21.02.2010 the Premier of New South Wales, Australia introduced the Metropolitan Transport Plan: Connecting the City of Cities. It includes a 25-year strategy for land ... More Information

Kolkata Metro East West corridor

Kolkata Metro East West corridorThe EUR754.4 million East West corridor of Kolkata Metro Rail Project is a medium capacity system covering approximately 15 km from IT hub Salt Lake Sector V to ... More Information

Robbins TBMs at Chongqing metro

Robbins TBMs at Chongqing metro Two 6.4 m-diameter Robbins Main Beam TBMs were launched in winter 2009-2010 beneath Chongqing, a Chinese mega-city of over 35 million people. The two machines are ... More Information

SYSTRA gains ISO 14001 certification

SYSTRA gains ISO 14001 certificationFrench-based international rail and urban transport engineering company SYSTRA has been awarded ISO 14001 environmental certification effective 10.02.2010 for all ... More Information

Intertunnel/Expoferroviaria at Turin

Intertunnel/Expoferroviaria at TurinThe Intertunnel-Expoferroviaria will take place in Turin at the Lingotto Fiere exhibition centre June 8-10, 2010. For Intertunnel, more than 60 exhibitors from 11 ... More Information

Ile de France road tunnel refurbishment

Ile de France road tunnel refurbishmentRefurbishment works in the 1,357 m Landy road tunnel on the A1 in Ile de France will be completed by summer, 2012 as part of the programme to update 22 road ... More Information

Thirty Atlantic Axis excavations complete

Thirty Atlantic Axis excavations completeOn 25.02.2010 excavation of the 725 m-long, 110 sq m twin-track Ardilleiro tunnel was completed, including two cut/cover sections. Ardilleiro tunnel is on ... More Information

Tunnel Design & Construction Asia

Tunnel Design & Construction AsiaThe Tunnel Design & Construction Asia conference will bring together international industry experts to speak on the most relevant issues related to regional ... More Information

Ground consolidation at TBM passage in Girona

Ground consolidation at TBM passage in GironaInstallation of 178 sheet piles has been completed between Girona I tunnel and adjacent buildings to consolidate the structures before the Gerunda TBM ... More Information

Elche railway tunnel underway in Alicante

Elche railway tunnel underway in AlicanteOn 15.02.2010, excavation of the 1,288 m-long, 86 sq m twin-track Elche tunnel started on the El Carrús-Elche section of the Madrid-Castilla La ... More Information

Mammoth Genoa underground motorway agreed

Mammoth Genoa underground motorway agreed A memorandum of understanding was signed in Genoa on 08.02.2010 for the construction of a 23 km underground motorway, including the Gronda di Ponente and ... More Information

First news from tunnelbuilder, daily!

First news from tunnelbuilder, daily!Only one tunnelling website on earth updates every day of the week, including weekends! Whenever there is important news for our readers, it is uploaded at ... More Information

Reboredo railway tunnel excavation completed

Reboredo railway tunnel excavation completedExcavation of the 790 m-long, 110 sq m twin-track Reboredo tunnel was completed, including two cut/cover sections. Reboredo tunnel is on the Silleda, ... More Information

Atlas Copco and Rio Tinto to go mechanical tunnelling

Atlas Copco and Rio Tinto to go mechanical tunnellingAtlas Copco will develop one of two rapid tunnelling concepts for Rio Tinto, which will enable fast and cost-effective construction of mine ... More Information

Major collapse at Gilgel-Gibe hydro

Major collapse at Gilgel-Gibe hydro Gilgel-Gibe hydroelectric power plant is located in the Great African Rift Valley region of Ethiopia. It’s 26 km-long headrace tunnel cuts through heterogeneous ... More Information

Pedemontana Lombarda startup

Pedemontana Lombarda startup Work on the Pedemontana Lombarda officially started on 06.02.2010. The Pedemontana will link the five provinces of Bergamo, Monza & Brianza, Milan, Como and Varese ... More Information

Three Robbins TBMs enroute to Mexico city

Three Robbins TBMs enroute to Mexico cityOn 02.02.2010, the ceremony to mark the assembly of three Robbins EPBs was held in Corpus Christi, Texas, US. The machines are headed to Mexico City's Emisor ... More Information

Normet International appoints Kleven

Normet International appoints KlevenThe new Director, Tunnelling and Special Projects at Normet International is Odd-Bjorn Kleven, who will work out of the company's offices in Baar, Switzerland and ... More Information

Atlantic Ocean tunnel opens in Norway

Atlantic Ocean tunnel opens in NorwayOn 19.12.2009, the 5.37 km-long Atlantic Ocean tunnel between Kristiansund and Bremnes on National Road 64 was opened. For construction history visit ... More Information

Spanish symposium on tunnels

Spanish symposium on tunnelsThe fifth symposium on tunnels entitled Security for tunnels in the 21st century will be held in Bilbao, Spain later this month from 24.02.2010 to 26.02.2010 at the ... More Information

Stuttgart 21 project starts in Germany

Stuttgart 21 project starts in GermanyWork on the Stuttgart 21 project finally started on 02.02.2010. Initially, the existing Stuttgart main station will be replaced with a subsurface station 12m ... More Information

Castellanza railway tunnels open in Italy

Castellanza railway tunnels open in ItalyThe Castellanza tunnels on the Milan Cadorna-Saronno-Busto Arsizio-Malpensa line operated by Ferrovie Nord Milano opened on 30.01.2010. The two parallel ... More Information

Aker Wirth TBM for Switzerland

Aker Wirth TBM for Switzerland Aker Wirth has been commissioned to construct and deliver a gripper tunnel boring machine (TBM) by ARGE Zugangsstollen Limmern (AZL). The order has a total value of ... More Information

Elasto Plastic Concrete in Atlantic Ocean tunnel

Elasto Plastic Concrete in Atlantic Ocean tunnelMore than ten major tunnelling projects in Norway are benefiting from the use of Barchip structural synthetic fibre to reinforce their shotcrete ... More Information

Ravnehei tunnel commissioned in Norway

Ravnehei tunnel commissioned in NorwayOn 24.11.2009 the 7 km Hanesund-Sande section on road Rv 465 opened, including the 3.3 km-long Ravnehei tunnel between Kjorrefjord and Ulland in Farsund ... More Information

Burata railway tunnel excavation completed

Burata railway tunnel excavation completedOn 26.01.2010 excavation of the 4,068 m-long, 85 sq m twin-track Burata tunnel was completed. Burata is on the 6.4 km Ourense to Amoeiro section of the ... More Information

Innovations at Bauma 2010

Innovations at Bauma 2010The 29th Bauma takes place in three months time at Neue Muenchen Messe, from 19-25 April. The exhibition is sold out, with around 3,000 firms showing their goods. Some ... More Information

SELI opens branch in Hong Kong

SELI opens branch in Hong KongThe new SELI branch office at 28 Canton Road, Unit 408A - Lippo Sun Building, Kowloon, HKSAR will serve as an immediate reference contact for all the company's projects ... More Information

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Tunnelling News

Hong Kong West Drainage Tunnel

Arup is the consultant to the Hong Kong Drainage Services Department in carrying out the design, pre-qualification, tender and construction ... More Information

Lane JV Wins Tunnel Package for Hudson River Tunnel Project Valued at $466 Million

CHARLOTTE, NC – The Lane Construction Corporation, the U.S. subsidiary of Webuild Group, has won a $466 million contract, of which Lane has a 35% share, to construct the Palisades Tunnel ... More Information

World’s biggest developers eye bids for Dublin MetroLink contracts

A consortium made up of some of the biggest infrastructure developers in the world has formed in preparation to bid for contracts to build and operate the long awaited MetroLink rail line ... More Information

The Boring Company's Prufrock-3 completes Las Vegas tunnel

The tunneling startup did not share the length of the tunnel that ... construction projects with speed and automation. This is highlighted by ... More Information

Coastal road phase 2: Mumbai's second twin tunnel to pass under rivers, mangroves

As part of phase 2 of Mumbai's Coastal Road Project, a 22.93 km high-speed corridor linking Versova with Dahisar will be created. More Information

Rock tunnel for £1.7bn Norway road scheme takes shape

The consortium responsible for the construction of a new road system in Norway has excavated approximately 500m of a new 1.9km long tunnel... More Information

Tunnel boring machine reaches halfway point on HS2's route into Birmingham

Balfour Beatty VINCI is celebrating a key milestone in the construction of HS2's gateway to Birmingham. The joint venture today (Thursday 29 ... More Information

Gateway Development Commission secures $3.8B in funding for Hudson Rail Tunnel project

The money is the final funding piece for the $16 billion project to build a new rail tunnel that will carry Amtrak and New Jersey Transit trains under ... More Information

TBM Zelda starts on 6.5km Melbourne tunnel

The 4,000t machine is the first of two TBMs that will excavated a section of the project's twin road tunnels in the city's suburbs. Named after local ... More Information

Tunnels of the Future: Key Innovations and Projects at InnoTrans 2024

BBT SE, responsible for the construction of the Brenner Base Tunnel, will provide details on its ambitious project. This 55-kilometer tunnel is ... More Information

Hudson tunnel contract awarded

Webuild's Lane, ACS firms win $466 million Hudson Tunnel contract tunnels as part of the Hudson Tunnel Project in the New York City area, the Italian construction group said on Thursday. More Information

All women crew to build SRL tunnels

Crews are moving underground services and building tunnel boring machine launch sites, preparing sites for major construction. Suburban .. More Information

Officials break ground on one of world's longest underwater rail tunnels connecting 2 major cities

This tunneling project, which is part of the larger Mumbai-Ahmedabad HSR corridor spanning 315.66 miles, is part of an effort to reduce the ... More Information

Severn Trent unveils huge 25m deep new storm tank to ease flooding and prevent spills

Four tunnel boring machines were used to install the new sewer pipes under the town to minimise disruption, as well as lining 1km of old brick ... More Information

Here's how downtown Toronto's first subway tunnel in over 60 years will be dug

Crews are now drilling deep into the soil around the launch shaft ... Once piling is complete and this massive pit is dug, tunnel boring machines ... More Information

LTA awards S$199M contract for Maju-Clementi rail tunnels and S$400M for Cross Island

Construction will use a slurry tunnel-boring machine due to the hard sedimentary rock in the area. LTA has assured that rigorous safety measures ... More Information

Northside Interceptor Tunnel named after local environmental advocate

The machine will be named “Elaine” after environmental advocate Elaine Marsh. A tunnel boring machine is used to excavate tunnels through hard ... More Information

Tunnelling works complete on NI Water's £7.8m wastewater upgrade at Meadow Lane

The 25-tonne Tunnel Boring Machine (TBM) broke through to the new stormwater storage tank to complete this significant element of work. The new ... More Information

The longest railway tunnels in the world

The three rail tunnels have a diameter of 7.6 m, while the service tunnel has a diameter of 4.8 m. A total of 11 tunnel boring machines (TBM) dug the ... More Information

Reusing dirt and rock as we build the North East Link tunnels

As the TBMs dig underground, excavated dirt and rock is moved via an enclosed conveyor system that crosses high ... More Information

Nanjiao-Xichang section of tunnel

Guangzhou International Guangzhou International Recently, the right-line tunnel boring machine (TBM) tunnel of the Nanjiao-Xichang section (hereinafter referred to as the "Nanxi ... More Information

Fehmarn Belt Tunnel opening set for mid-2029

This reduces waste and simultaneously strengthens the supply security for the project by producing steel grids to size and on demand. Setting up for ... More Information

HRBT Expansion Project's first gantry extracted and lifted

Mary the Tunnel Boring Machine exited the tunnel and made her U-turn back in June. Work on the second tunnel will begin in September of this year... More Information

Gateway Board Forms Search Committee for CEO to Lead $16B Tunnel Project

The Gateway Development Commission, which leads the $16.1-billion Hudson Tunnel Project between New Jersey and New York, has launched a board ... More Information

Costain awarded £6.6m by Thames Water to upgrade Hertfordshire treatment sites

Costain, the infrastructure solutions company, has been awarded a contract with Thames Water to upgrade strategic treatment assets in Markyate and Brickendon in Hertfordshire... More Information

National Grid switches on first 2.5km circuit of £1bn London Power Tunnels 2

The LPT2 project has seen 32.5km of new tunnels bored under the capital city between Wimbledon and Crayford to host a new high voltage 275kV network. The 3m diameter tunnels were bored by ... More Information

_Goregaon-Mulund Link Road Nears Completion, Set To Cut Travel Time To 25 Minutes

The tunnels, which will be excavated using a tunnel boring machine with a diameter of approximately 14.2 metres, will be equipped with lighting ... More Information

Snowy 2.0 Tunnel Boring Machines Update

The Snowy 2.0 project continues to make significant strides with its Tunnel Boring Machines (TBMs) advancing the construction of critical ... More Information

Vancouver's Broadway subway tunnel boring equipment arrivin

The tunnels will serve all six stations of the Millennium Line SkyTrain extension project, from Great Northern Way to Arbutus Street. Each boring ... More Information

IN MEMORIAM - OLIVIER VION (1962-2024)

Through the past decades, the energy and foresight to lead the management of the ITA International Tunnelling and Underground Space Association has been in the hands of Olivier Vion, a man ... More Information

Amtrak awards construction contract for East River Tunnel rehabilitation

The $1.6 billion project calls for demolishing all existing tunnel systems down to the liner, then restoring both tubes. During the project, one tube ... More Information

Strabag in €110 million deal to equip transalpine tunnel

Austrian contractor Strabag has won a €110 million (US$120 million) to equip a transalpine tunnel linking Austria and Slovenia... More Information

19 tunnel boring machines for Manila subway set

A close-up of the tunnel boring machine head, with a diameter of 6.9 meters. ... The first cutter head of the first tunnel boring machine (TBM), named ... More Information

$16 billion Gateway Tunnel Project gets federal funding boost after years of delays

The $16.1 billion project includes a new rail tunnel linking New York and New Jersey — and is set to be open by 2035 ... More Information

Preferred bidder announced for second tunnelling contract

The global consortium of WeBuild S.p.A, GS Engineering and Construction Australia and Bouygues Construction ... Tunnel Project, North East Link ... More Information

Bechtel Picked as CM for $12.7B Single-bore BART Extension

Officials with the VTA are aiming to begin major construction and tunnelling for the $12.7-billion BART Silicon Valley Phase II Extension Project next ... More Information

Stonehenge could be put on world heritage danger list over tunnel plan

The United Nations Educational, Scientific and Cultural Organization (UNESCO) has recommended that Stonehenge be listed as ‘World Heritage in Danger’ due to the A303 upgrade scheme and is ... More Information

World’s longest railway tunnel to reopen after a year

The tunnel closed on 10th August last year following the derailment of a freight train, and SBB has since been pushing ahead with repair work... More Information

Afcons Infrastructure Wins Bid for Thane Tunnel Project

Afcons Infrastructure secures the L1 bid for a tunnel project in Thane, marking a significant milestone in infrastructure development. More Information