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Koralm tunnel TBMs start

Koralm tunnel TBMs start

Two 9.93 m-diameter Aker Wirth TBMs have started construction of the 18 km-long central section (lot KAT 2) of the 32.5 km Koralm high-speed railway tunnel between Graz and Klagenfurt. More Information

Welcome to CBE newsletter number 6

The latest CBE newsletter focuses on innovation in practice, with products such as the anchored gasket being used for segments on the Lee tunnel in London and the Blue Plains sewer project in ... More Information

NFM EPB for Bucharest metro

NFM Technologies has recently added the supply of another TBM to the entrepreneur Astaldi to its list of orders. More Information

Five Crossrail TBMs underway

Five Crossrail TBMs underway

On 09.01.2013 Sophia, Crossrail’s fifth TBM, began the drive from Plumstead to North Woolwich which will carry London’s new rail link under the River Thames. More Information

CKR project in Hong Kong

CKR project in Hong Kong

The second phase of public engagement activities for the proposed Central Kowloon Route (CKR) in Hong Kong commenced on 05.12.2012: More Information

Meditunnel registration

The ITA-sponsored Mediterranean Tunnelling conference scheduled for May 7-8th in Porec, Croatia has published registration forms. More Information

NFM to build Sicilian giant

NFM to build Sicilian giant

NFM Technologies, based in the French cities of Lyons and Le Creusot, is starting the New Year with a couple of significant TBM orders which include the 15.08 m-diameter machine that will excavate the twin 3.9 km tubes More Information

Jennmar supports tunnelling

Jennmar supports tunnelling

US-based Jennmar and its network of affiliates aim to provide customers with a complete resource for all ground control requirements with reduced cost and short lead times. More Information

New Year, new jobs

International specialist recruitment agency iPS is seeking graduate engineers to fill two interesting positions in the Middle East tunnelling sector. More Information

Robbins TBM completes Milchbuck

Robbins TBM completes Milchbuck

On 04.12.2012 a 4.15 m-diameter Robbins TBM made its final breakthrough in Zurich, Switzerland. More Information

BASF sells Meyco

BASF has signed a contract to sell its Meyco equipment business, based in Winterthur, Switzerland, to Atlas Copco. More Information

ADFIL newsletter, latest edition

ADFIL newsletter, latest edition

The December issue of ADFIL newsletter observes that 2012 has been a highly successful year for the manufacturer of construction fibres, and carries clients’ More Information

St. Barbara celebrated in Bevera Tunnel

St. Barbara celebrated in Bevera Tunnel

St. Barbara day this year was celebrated in Bevera tunnel, on the new rail link Arcisate-Mendrisio, 14.8 km long, of which 8.2 km in Italy and 6.6 km in Switzerland. More Information

Robbins TBM for Indianapolis

Robbins TBM for Indianapolis

A 6.2 m-diameter Robbins hard rock cutterhead has been unveiled in Indianapolis, IN, USA at a ceremony that included the city’s mayor and local officials to mark the assembly progress of the main beam TBM. More Information

Switzerland and Italy sign MoU

On 17.12.2012 in Berne, Switzerland and Italy signed declarations of intent aimed at intensifying cooperation in rail transport and energy. More Information

A toast to all our readers!

The management and staff at tunnelbuilder ltd send greetings and good wishes to all our readers around the world at this festive time. More Information

Brenner Congress 2013

The international symposium on the Brenner Base Tunnel (BBT) will take place 21-22nd February during Viatec 2013 in Bolzano. More Information

2013 RETC for Washington, DC

2013 RETC for Washington, DC

The 2013 Rapid Excavation & Tunneling conference and exhibition takes place June 23-26th at Marriott Wardman Park, Washington, DC. More Information

Thousandth tunnel ring placed under Hyde Park

The first of eight Crossrail tunnelling machines is currently tunnelling under London’s Hyde Park after completing 1,000 tunnel rings. More Information

China tunnel summit agenda

The agenda has been published for the 7th China Tunnel Summit, scheduled for 7-8th March, 2013 at the Millennium Hotel in Wu’xi. More Information

Sofia airport metro underway

On 21.11.2012 construction started officially on lot 1, part of the 5 km extension of Sofia metro Line 1 from Tsarigradsko Road to the airport, including four stations More Information

Records set at Kishanganga

Records set at Kishanganga

Main contractor HCC is putting its 6.2 m-diameter SELI universal double-shield TBM to good use at Kishanganga hydro in the Himalaya region of Jammu & Kashmir More Information

METRO project results due

The results of the three-year METRO project are to be presented at an international seminar at Rosersberg, Stockholm More Information

Superfast TBM delivery by Terratec

Superfast TBM delivery by Terratec

Seven months from receipt of order, Australian specialist TBM manufacturer Terratec has delivered a 6.61 m-diameter bespoke EPB to contractors building Delhi metro. More Information

Project Director required

Project Director required

iPS, the international recruitment specialist, is seeking a project director for a client in South America. The requirements for the ideal candidate are: More Information

Expotunnel launching in 2013

Expotunnel, making its debut in Bologna, Italy 17-20th October, 2013, will provide a new showcase for the tunnelling industry. More Information

Valnerina excavation completed

On 20.11.2012 excavation was completed on the 3,523 m Valnerina tunnel located in the section from San Carlo in Terni province to the Lazio region border More Information

More breakthroughs on SS77

General contractor Val di Chienti has reported new breakthroughs on SS77, Quadrilatero Marche Umbria project. More Information

Fontanabuona tunnel to proceed

Liguria Region, ANAS and Autostrade per l'Italia have decided to proceed with the executive design of Fontanabuona tunnel, More Information

Delhi metro progress

On 25.10.2012 a TBM was lowered at the Mandi House construction site to start the 700 m tunnel excavation towards ITO metro station, in Phase 3 of the Delhi rail network. More Information

First Copenhagen EPB inaugurated

First Copenhagen EPB inaugurated

On 16.11.2012 the first of four TBMs destined to bore 24 km of new tunnels for Copenhagen metro was inaugurated by JV Salini Costruttori/Maire Tecnimont/SELI. More Information

Australian conference for Brisbane

The 11th Australian Tunnelling conference takes place in Brisbane 4-5th December, 2012 More Information

Beskyd rail tunnel in Ukraine

The State Railway Administration of Ukraine (Ukrzaliznytsia) is preparing to start the construction of the new double-track Beskyd tunnel in the Carpathian Mountains in western Ukraine. More Information

Daylight at Seiro tunnel

Daylight at Seiro tunnel

The top heading of the EUR88.7 million monotube, twin-track Seiro tunnel between Banos de Molgas and Vilar de Barrio municipalities More Information

Free accommodation in Wuxi

Organisers of the 7th China Tunnel Summit are offering free five-star accommodation for earlybird returning attendees More Information

Robbins EPBs at Moscow Metro

Robbins EPBs at Moscow Metro

Some 150 km of new metro lines will be constructed in Moscow by 2020. As part of this effort, contractor Engeocom purchased two 6.6 m-diameter Robbins More Information

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