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Top award for Lok Home of Robbins

Once a year, the Underground Construction Association honours a person who has made major contributions to the tunnelling industry throughout their career. Lok Home is the exceptionally deserving ... More Information

Merano northwest bypass

Merano northwest bypass

On 22.07.2014 Bozen Province in Italy approved the definitive alignment of Merano northwest bypass – Lot 2. Tender is expected in 2016, start of work in 2017. Lot 2 will be mainly underground ... More Information

Rishikesh-Karanprayag railway

RNVL is implementing the 125.09 km-long rail project in the Garhwal region in Uttarakhand with a preliminary cost of EUR530 million. The rail project passes through Dehradun, Tehri, Pauri and ... More Information

Breakthrough at the Kargi HEPP

A Robbins double shield TBM broke through on 05.07.2014 in Turkey at the Kargi HEPP. The machine made it through fault zones and squeezing ground, ultimately excavating over 700 m/month. Click ... More Information

First Northgate Link TBM launches

The first of two TBMs that will dig new twin light rail tunnels from the Northgate neighbourhood in Seattle to the University of Washington began mining on 09.07.2014.  The TBM will mine ... More Information

Basel east ring road, new variant

Basel east ring road, new variant

The Federal Roads Office has drawn up, and discussed with the cantons, a new variant involving the construction of a tunnel under the Rhine between Birsfelden and the North Ring Road branch Wiese to ... More Information

WTC2015 – Deadline Abstracts

WTC 2015 will take place on May 22-28, 2015 at Lacroma Valamar Congress Center, Dubrovnik, Croatia. Deadline for abstract submission: July 31, 2014. Visit http://wtc15.com/forms/call-for-papers. ... More Information

Terratec micro impresses

Terratec micro impresses

A Terratec MTBM working in Bangkok, Thailand has completed a 380 m-long drive of 1.8 m-ID pipejacked tunnel in just 23 days. Key to this successful operation was the high performance of the ... More Information

Australasian conference papers

The 15th Australasian Tunnelling Conference entitled “Underground Space – Solutions for the Future” takes place in Sydney on 17-19th September, 2014. Click here for online ... More Information

New products from Condat

New products from Condat

French manufacturer Condat supplies a complete range of self-extinguishing lubricants to the tunnelling industry that includes Tail Seal Greases, Main Bearing Lubrication & Protection ... More Information

Fairbank-Silverthorn Prequalification

Fairbank-Silverthorn Prequalification

City of Toronto, Canada has posted information for potential prequalifiers for the upcoming design-build Fairbank-Silverthorn Trunk Storm Sewer System project for which an RFP is expected to be ... More Information

DTL2 metro tunnels completed

On 11.06.2014 McConnell Dowell completed excavation on the 1,395 m-long twin metro tunnel from King Albert Park (KAP) to Sixth Avenue (SAV) station for DTL2 in Singapore (contract C917A). The TBM ... More Information

Thomson Line underway

Thomson Line underway

On 27.06.2014 construction of the 30 km-long Thomson Line (TSL) got underway. The new underground rail line, which will connect the northern part of Singapore to the Central Business District (CBD) ... More Information

ExpoTunnel 2014

ExpoTunnel 2014

The second edition of ExpoTunnel will take place in Bologna-Italy on October 23-25, 2014 at BolognaFiere Hall 19. The deadline for early booking of stands at favourable rates is end-June. Visit ... More Information

North West Rail Link update

North West Rail Link update

The NSW Government has announced that the Northwest Rapid Transit consortium has been selected as the preferred operator to deliver the project’s operations contract. Click au/11. The first of ... More Information

SR 99 TBM repairs

On 16.06.2014 Seattle Tunnel Partners, the Washington State Department of Transportation’s design-build contractor for the SR 99 Tunnel Project illustrated a new repair work plan for TBM ... More Information

Finale for Twin Robbins EPBs

The second Robbins EPB broke through on 11.06.2014, marking the completion of twin tunnels at San Francisco’s Central Subway in California, USA. The first of the two machines holed through a ... More Information

New projects for CBE

CBE Group has signed new contracts for a total of 256 moulds for tunnelling projects around the world. Read the press release and visit www.cbe-tunnels.com. 26/14. More Information

Kiepe sponsors tunnelbuilder.it

Kiepe sponsors tunnelbuilder.it

Kiepe Electric provides solutions for fire protection in road, rail and subway tunnels as well as in industrial and marine sectors. More Information

Robbins at NAT

The Robbins Company will present a series of lectures on high power TBMs on Tuesday 24.06.2014 at NAT in Los Angeles. Read the press release and visit the company at booth 425 or at ... More Information

Bucharest subway approved

The European Commission has approved a EUR409.5 million investment from the Regional Development Fund (FEDR) for Romania's Eroilor-Drumul Taberei subway route currently in development. The new line ... More Information

Twelfth party for Robbins TBM

Twelfth party for Robbins TBM

The breakthrough of a veteran Robbins hardrock TBM on 19.05.2014 at the Lemay Redundant Force Main in St. Louis, MO was its twelfth in over 40 km of rock, since its manufacture in 1981. The TBM, ... More Information

New products from Condat

New products from Condat

French manufacturer Condat supplies a complete range of self-extinguishing lubricants to the tunnelling industry that includes Tail Seal Greases, Main Bearing Lubrication & Protection ... More Information

Webinar through WebEx on 18 June 2014

Webinar through WebEx on 18 June 2014

Following successful cooperation with the Robbins Company on TBM seminars in Colombia, Ecuador and Brazil, Mapei UTT is participating in the first of a Webinar series for 2014 organized by Robbins. ... More Information

Open day at Bure tunnel

On Saturday 14.06.2014 the construction site open day for the new 8.8 km Bure-Porrentruy A16 section will be held in Switzerland. The section includes the mono-tube and bi-directional 3,059 m Bure ... More Information

Robbins earns hard rock title

Robbins earns hard rock title

A 2.2 m-diameter Robbins heavy duty double shield hardrock TBM in Fairfax, VA on its seventh project has holed out after a punishing run through diabase of 345 MPa hardness. The machine has set a ... More Information

Istanbul Strait road tunnel

Istanbul Strait road tunnel

Tunnel boring under the Bosphorus as part of the Eurasia Tunnel Project (Istanbul Strait Road Tunnel) began on 19.04.2014 with a ceremony at Haydarpasa construction site. The 3,300 t TBM has been ... More Information

Marieholm tunnel

Marieholm tunnel

On 04.06.2014 the Swedish road and railway authority Trafikverket signed with the JV Zueblin/Boskalis the design and build contract for the Marieholm tunnel project. The tunnel, 30 m-wide and 10 ... More Information

More Terratec orders

More Terratec orders

Asia-Pacific based manufacturer Terratec has announced details of TBM sales to Turkey and Laos, significantly expanding the company’s current geographic spread. Read the press release and ... More Information

Central Subway Robbins TBM holes out

Central Subway Robbins TBM holes out

The first of two Robbins TBMs working on San Francisco Central Subway has holed out. Read the blog and visit www.robbinstbm.com. 23/14. More Information

Ground conditioning for EPB TBMs Webinar

Ground conditioning for EPB TBMs Webinar

The Robbins Company is hosting a complimentary hour-long web seminar on 18th June, 2014 at which experts from Robbins, BASF and Mapei will discuss available ground conditioning techniques and ... More Information

Geodata moves up

Geodata Group, based in Leoben, Austria has stepped up to sponsor our flagship website tunnelbuilder.com. A tunnelbuilder client for many years, Geodata has grown along with the tunnelling industry. ... More Information

Australian meeting registration

Time to register for the Australian Tunnelling Conference taking place in Sydney 17-19 September, 2014. Click here for list of papers and online registration, or visit www.ausimm.com. 22/14. More Information

Nova Subida da Serra

Nova Subida da Serra

The Nova Subida da Serra (NSS) in Brazil comprises five lots and involves a new 20 km-long road section for which 15 km of the existing BR-040 will be doubled and a 4,640 m tunnel at Petropolis will ... More Information

Mesaimeer tunnel underway

Mesaimeer tunnel underway

The construction of Mesaimeer tunnel in Qatar started on 20.05.2014 and will be complete by early 2017. The Mesaimeer tunnel for surface and ground water is one of the key drainage projects within ... More Information

Bolzano ring road alignment

On 26.05.2014 the provincial government approved the technical characteristics of the future Bolzano ring road alignment in Italy. The construction of the EUR368million project will be divided into ... More Information

Tunnelling News

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

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