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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

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

Almaty metro line 1 to open in 2009

Almaty metro line 1 to open in 2009Line 1 of Almaty metro in Kazakhstan has been a long time coming. Started in 1988, some 7 km of tunnel were bored, only to be abandoned when cash ran out. A new ... More Information

Martin Herrenknecht becomes first European Mole

Martin Herrenknecht becomes first European MoleThe Moles Award 2009 has gone to Dr Martin Herrenknecht for his extraordinary service to the heavy construction industry, and in particular for his ... More Information

Update your shows diary with tunnelbuilder!

Update your shows diary with tunnelbuilder!Our Professional Tunnellers Diary, accessed through the front page button above, is continuously updated. Right now you will find contact details for 28 ... More Information

SELI success in southeast Europe

SELI success in southeast EuropeItalian contractor SELI has been active in Turkey and Greece, with TBMs in the ground in both countries.In December 2008, SELI commissioned to ILCI the new 4.88 ... More Information

Thermal Ceramics wins Bjorvika fireproofing contract

Thermal Ceramics wins Bjorvika fireproof lining contractSome 675 m of the centre section of Bjorvika tunnel comprises six immersed tube elements containing three traffic lanes in each direction. ... More Information

Recession lessons (9)

Recession lessons (9)"After 21 years of experience in the design, production and commissioning of high-tech equipment, the expertise and know-how of our teams is recognized both on the national and ... More Information

Update on Australia and New Zealand

Update on Australia and New ZealandThe Brisbane Airport Link feasibility study has been completed, and a jv of Thiess, John Holland, Macquarie has been selected as preferred contractor. And the ... More Information

Shenzhen metro line 3 progress

Shenzhen metro line 3 progressA trio of NFM Technologies 6.28 m-diameter EPBs has begun excavation of metro line 3 tunnels in Shenzhen, China. The first machine got underway on 14.10.2008 driving ... More Information

Robit Rocktools lead the way!

Robit Rocktools lead the way!We are particularly pleased to announce that Robit Rocktools of Finland is our first new client for 2009. For around 25 years, Robit has been providing high quality rock ... More Information

Recession lessons (8)

Recession lessons (8)"Despondency and constant negativism, attitudes which unfortunately abound today, are not recipes which are of much use to us in the future. Providing young and ambitious junior ... More Information

Marioff milestones

Marioff milestonesFrom its base in Vantaa, Finland Marioff produces its innovative HI-FOG® water mist fire protection systems for use in every corner of the Earth. Each system is tailored to the ... More Information

Update on Australia and New Zealand

Update on Australia and New ZealandAmongst major projects completed by end-2008 in Australia are the Gold Coast desalination plant with 2 x 3.4 m x 1.5 km outfalls bored by 2 off Herrenknecht TBMs ... More Information

Thermal Ceramics wins Bjorvika fireproof lining contract

Thermal Ceramics wins Bjorvika fireproof lining contractThe tender for fire protection at Bjorvika road tunnel in Oslo, see tunnelbuilder archive no/56, has been awarded to IFS, the official ... More Information

Poyry awarded Polish railway engineering contracts

Poyry awarded Polish railway engineering contractsPöyry has been awarded a EUR8.9 million engineering contract by PKP Polskie Linie Kolejowe SA for detail design and tender documentation for the ... More Information

Recession lessons (7)

Recession lessons (7)Don't be fooled by imitators! There is only one tunnelbuilder, and the only way to benefit from our 2,000+ readers/day is to promote your company at our websites. That way, ... More Information

Recession lessons (6)

Recession lessons (6)"We need to remake the banking system to better reflect the needs of business. They cannot simply go back to a reliance on mortgage lending." Edmund Phelps, Columbia University, ... More Information

STEC launches its own large-diameter slurry shield

STEC launches its own large-diameter slurry shieldShanghai Tunnel Engineering Company (STEC) has announced the launch on 26.12.2008 of its in-house designed and built 11.22 m-diameter slurry shield. ... More Information

Ganzstein closes Semmering gap

Ganzstein closes Semmering gapCompletion of the second 2.1 km-long tube at Ganzstein on the S6 Semmering Expressway will provide the final link on the motorway route between Lower Austria and ... More Information

Happy New Year for 2009!

Happy New Year for 2009!When we look back on 2008, we can be thankful that we work in the tunnelling industry, possibly the only part of the construction sector that is still largely intact. The ... More Information

Mont Sion tunnel opens to traffic

Mont Sion tunnel opens to trafficThe north stretch of the A41 highway between Villy-le-Pelloux/Saint-Martin-Bellevue and Saint-Julien-en-Genevois in the Upper Savoy region of the French Alps, ... More Information

VMT consolidates success in China

VMT consolidates success in ChinaHaving operated in China since 2006 as a service company supporting its TBM guidance systems, VMT has now achieved the official status of a Trading Company. So, ... More Information

California high speed rail programme management

California high speed rail programme managementThe proposed USD40 billion (US$1 = EUR0.72), 1,290 km-long California high speed rail system will serve San Franciso, Los Angeles and San Diego, with ... More Information

Recession lessons (5)

Recession lessons (5)"Just because we have a US$15 billion (US$1 = EUR0.72) budget deficit does not mean we should not have a high speed rail system. California should show leadership, and show the ... More Information

Halfway to Pinglu

Halfway to PingluAlpine Bau, a subsidiary of Spanish construction giant FCC, has reported that its Robbins hard rock double shield TBM excavating a EUR47 million section of the north main line of ... More Information

Palazzoli seeks commercial partner for Norway

Palazzoli seeks commercial partner for NorwayPalazzoli, a leading European industrial electrical equipment manufacturer with increasing activity in road and railway tunnels, is seeking a ... More Information

Engineering firms wanted

Engineering firms wantedArup, a global firm of designers, engineers, planners and business consultants is looking to source small and medium enterprises (SMEs) and black and minority ethnic ... More Information

Oraki diversion going well for Lovat

Oraki diversion going well for LovatContractor McConnel-Dowell has reported good progress on the 2.9 km-long Oraki Main Sewer Hobson Diversion project in Auckland, New Zealand where its Lovat TBM ... More Information

Recession lessons (4)

Recession lessons (4)"I am particularly proud to announce the adoption by the European Commission today of these 11 funding decisions totalling EUR1.7 billion. They will greatly contribute to making ... More Information

Underground Construction 2010 Prague

Underground Construction 2010 PragueConference Transport and City Tunnels co-organized by Slovak Tunnelling Association and Czech Tunnelling Association scheduled to take place from 14.06.2010 to ... More Information

New tunnel scaling rig from Atlas Copco

New tunnel scaling rig from Atlas CopcoAtlas Copco has launched a new version of its popular Scaletec scaling rig giving operators a stronger and faster scaling tool for use in tunnels. Click here ... More Information

Breakthrough in King County Brightwater Conveyance System

Breakthrough in King County Brightwater Conveyance System The Kenny, Shea, and Traylor Joint Venture has announced that "Luminita" their LOVAT RME229SE Series 22900 TBM has broken ... More Information

Three Robbins EPBMs to Improve Mexico City Drainage

Three Robbins EPBMs to Improve Mexico City DrainageMexico City, founded on what was once an island in the middle of a lake, is sinking at the rate of 10 cm (4 in) per year. Over the last 30 years, ... More Information

Breakthrough in King County Brightwater Conveyance System

Breakthrough in King County Brightwater Conveyance SystemThe Kenny, Shea, and Traylor Joint Venture has announced that "Luminita" their LOVAT RME229SE Series 22900 TBM has broken through and ... More Information

Banverket plans freezing at Hallandsas

Banverket plans freezing at HallandsasThe TBM advancing the east tube of the Hallandsas tunnel in southwest Sweden will enter the unstable Molle Back zone towards the end of 2009, some 1 km ahead of ... More Information

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Tunnelling News

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

Kolkata Metro: D-Wall's Construction Work At Victoria Metro Station Is Advancing Swiftly

For the tunnelling work of the stretch from the Khidderpore to Park Street stretch of this Corridor, two Tunnel Boring Machines (TBM) will be deployed ... More Information

K2D Skøyen – Vækerø

Implenia has been awarded the contract for section K2D Skøyen - Vækerø, which is part of the entire Fornebu line that will be completed in 2030... More Information