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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

Largest Robbins TBM winning at Niagara

Largest Robbins TBM winning at NiagaraThe 14.4 m-diameter Robbins hardrock TBM is now two-thirds along the challenging alignment at Niagara, having broken a few records in between times. Contractor ... More Information

North American Tunneling show underway in Portland

North American Tunneling show underway in PortlandThe conference and exhibition organized by UCA of SME for Portland, Oregon started today at the Marriott Waterfront and will continue until ... 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

First section of Gautrain Rapid Rail Link opens for World Cup

First section of Gautrain Rapid Rail Link opens for World Cup The first section of the 160 km/h Gautrain Rapid Rail Link, between Sandton Station and the OR Tambo International Airport in ... More Information

New heavy duty rock drills from Atlas Copco

New heavy duty rock drills from Atlas CopcoAtlas Copco has launched three heavy duty versions of its popular 1800-series hydraulic rock drill intended for face drilling in tough underground mining ... More Information

Breakthrough at Sellero tunnel on SS 42 in Brescia

Breakthrough at Sellero tunnel on SS 42 in BresciaSellero tunnel broke through on 18.06.2010 as part of the refurbishment work on the SS 42 Tonale-Mendola for the completion of the ... More Information

Madrid-Barcelona-French border high-speed railway

Madrid-Barcelona-French border high-speed railwayOn 17.06.2010 the TBM Gerundi completed the first 480 m of the 3.6 km-long Girona section on the Madrid-Barcelona-French border high-speed railway. ... More Information

Tunnel Design & Construction Europe

Tunnel Design & Construction EuropeThe Tunnel Design & Construction Europe conference to be held in Zurich, Switzerland 25th-28th October 2010 will bring together international industry ... More Information

Tunnel Design & Construction Europe

Tunnel Design & Construction EuropeInternational conference scheduled for Zurich, Switzerland 25-28th October 2010. Early birds can register by 25th June 2010 and get up to EUR465 off standard ... More Information

Hits and misses

Hits and missesTen years ago, when Internet advertising was in its infancy and mega-hits were the order of the day, we started to see a variation between hits and visits. In short, hits were running ... More Information

EN12101-3 certification for large Flakt Woods JM axial fans

EN12101-3 certification for large Flakt Woods JM axial fansFlakt Woods has achieved EN12101-3 certification for 400 degrees C for 2 hours (F400) on its range of large axial fans up to 2.8 m-diameter ... More Information

Meet Babendererde Engineers at NAT in Portland

Meet Babendererde Engineers at NAT in Portland Babendererde Engineers is an independent engineering company specializing in underground tunneling. Together with the sister company in ... More Information

Normet increases production capacity in Finland

Normet increases production capacity in FinlandNormet has extended and modernized its factory at Iisalmi, Finland, signalling its recovery from the recent economic downturn in mining and tunnelling ... More Information

Herrenknecht giant EPB for Italy

Herrenknecht giant EPB for ItalyThe largest TBM ever built, a 15.55 m-diameter Herrenknecht EPB, will be used on the extension of the A1 highway between Bologna and Florence in 2011. Read the press ... More Information

Success at Brightwater conveyance tunnel in Seattle, WA

Success at Brightwater conveyance tunnel in Seattle, WAThe JV JCT (Jay Dee Contractors/Frank Coluccio Construction/Taisei Corporation) has announced that their EPB TBM is stopped just short of the ... More Information

Cooling the Tube in London

Cooling the Tube in LondonFlakt Woods has been commissioned to produce a mix of bespoke ventilation products to help improve the airflow on station concourses and in tunnels on the London Tube. For ... More Information

See you at Intertunnel in Torino!

See you at Intertunnel in Torino!The tunnelbuilder team will be at Intertunnel in Torino, Italy on June 8-10 this week, so look out for us! We will be visiting our clients to ensure they are getting ... More Information

Swiss Tunnel Congress 2010

Swiss Tunnel Congress 2010 The Swiss Tunnel Society (STS) is hosting the Swiss Tunnel Congress in the Lucerne Culture and Convention Centre from June 9-11, 2010. With nearly 800 registrations, just ... More Information

Paiesco tunnel on SS337 in Val Vigezzo opens

Paiesco tunnel on SS337 in Val Vigezzo opens The new single-bore 1,431 m-long, 9% gradient Paiesco tunnel opened on ... More Information

Final launch at B1 metro in Rome

Final launch at B1 metro in Rome On 26.05.2010, the 9.8 m-diameter EPB launched on construction of the Conca d'Oro-Jonio section, a single tube tunnel for the B1 metro line in Rome. Preparatory ... More Information

Refurbishment plans for Swiss road tunnels

Refurbishment plans for Swiss road tunnelsIn 2008 a survey by ASTRA, the Federal Roads Office, revealed that 126 of the 220 national road tunnels in Switzerland are not fully compliant with the ... More Information

Curved microtunnel success in United States

Curved microtunnel success in United StatesOn 19.05.2010 contractor Northeast Remsco Construction completed the first planned curved microtunnel in the US at Hartford, CT as part of the USD1.6 ... More Information

Stop-go in US

Stop-go in USNewspapers in the US are reporting that the Seattle tunnel will take a year longer than expected, due to long lead times on TBM delivery. End-2016 now seems to be the likely completion ... More Information

First Expomatec for Madrid in 2011

First Expomatec for Madrid in 2011The first of a series of triennial business conferences and exhibitions is scheduled for Ifema, Madrid from 17-20 May, 2011. Organised by Ifema and Grupo TPI, ... More Information

Robbins EPB claims record at Chengdu

Robbins EPB claims record at ChengduA 6.26 m-diameter Robbins EPB has achieved daily rates of 24 m in the alluvium of Chengdu metro in China, setting a record amongst the 12 machines working on the ... More Information

Google newsfeed comes to tunnelbuilder

Google newsfeed comes to tunnelbuilderTo complement our daily updates dealing with contract news, bids and awards, we have introduced a Google newsfeed which culls the best of the daily newspaper ... More Information

Work starts on Perca by-pass in Tirol

Work starts on Perca by-pass in TirolGeological investigation for the new Perca bypass on SS 49 Val Pusteria started on 19.05.2010. The project, awarded to JV Ing Mario Valdemarin (Bressanone), ... More Information

News from Turin-Lyon AV railways

News from Turin-Lyon AV railwaysThe preliminary design for the new Lyon-Turin rail link, including environmental impact study and cost analysis, is scheduled for the end of June, 2010. Click here. ... More Information

Work starts on Merano bypass in Tyrol

Work starts on Merano bypass in TyrolWork started on 14.05.2010 on Lot 1 of Merano northwest bypass between Lagundo and FS station interchanges. The JV PAC Spa (Bz), Consorzio stabile costruttori ... More Information

Tunnelling News

East West Rail between Bedford and Cambridge to include new tunnels

15 November, 2024 By Thames Menteth Revised proposals for the East West Rail scheme’s section between Bedford and Cambridge include a new section of railway, as well as new stations and ... More Information

Amtrak's $1.6B East River Tunnel Rehab Work Contractors Get Notice to Proceed

Amtrak's $1.6-billion East River Tunnel Rehabilitation Project in New York is advancing after construction manager STV Inc./Naik Consulting Group ... More Information

Tunnel Boring Machine for National Grid's VIP project in Eryri set to arrive in North Wales

National Grid is reaching a major milestone on the Eryri Visual Impact Provision (VIP) scheme with the arrival of its Tunnel Boring Machine (TBM) to ... More Information

Tunnel boring machine hits major milestone on Snowy 2.0 project

The Snowy 2.0 pumped-hydro megaproject recently marked a significant milestone, with one of three tunnel boring machines (TBM), Lady Eileen Hudson ... More Information

Morocco-Spain Underwater Tunnel Plans Move Forward with Renewed Focus

Discover the ambitious Morocco-Spain Underwater Tunnel project, set to connect continents in under 30 minutes and revolutionize travel between ... More Information

Alaska Transportation Department to spend $1 million on Knik Arm tunnel study

The results of the feasibility study will give us a better picture of how the project could be constructed, potential costs, and financing options,” ... More Information

Extra tunnels included in £6bn East West Rail scheme

Bowing to pressure to reduce the project's environmental impact two tunnels are now proposed for the new stretch of railway in Cambridgeshire. Design ... More Information

Balfour Beatty VINCI reaches halfway point on key HS2 'green tunnel'

As well as Burton Green, green tunnels will be constructed at Copthall in Hillingdon, Wendover in Buckinghamshire and Chipping Warden and Greatworth, ... More Information

Webuild-led consortium confirmed for US$1.1 billion tunnelling work

Webuild-led consortium confirmed for US$1.1 billion tunnelling work (US$1.1 billion) tunnelling package on the Suburban Rail Loop (SRL) East public transport project to a consortium of ... More Information

Balfour Beatty snares $746M I-35 rebuild in Texas

The London-based contractor will reconstruct 2.5 miles of the highway through downtown Austin and build a link to the future light rail line. AECOM-Jacobs JV signs on to $6B Amtrak tunnel ... More Information

Metro Vancouver digs water tunnel designed to withstand 'the big one' under Fraser River

Crews have begun construction on a new $450-million water supply tunnel between New Westminster and Surrey designed to withstand a major earthquake. More Information

Longest tunnel in Poland begins construction

The project, managed by the Polish company Budimex and Turkish Gülermak, includes 10 viaducts and 12 bridges. This unprecedented investment will ... More Information

Watercare Passes Key Milestone On $300M Programme To Improve Wastewater Services

Watercare and McConnell Dowell celebrate Piper's final breakthrough. On Sunday (subs note: November 10), Piper – a tunnel-boring machine – completed ... More Information

Tutor Perini Scores Contracts

The tunnel project includes the construction of two new shafts connecting to the surface and the use of a tunnel boring machine. The completed ... More Information

Bengaluru Metro completes tunnelling for longest underground line

The final breakthrough came from Bhadra, the last Tunnel Boring Machine (TBM) deployed, which completed a 937-meter stretch from K G Halli to Nagawara ... More Information

Eastern Freeway Upgrade preferred bidders confirmed

Tunnel boring is currently underway on the North East Link project, with machines currently digging under Yallambie. Federal Minister for ... More Information

Bengaluru civic body completes DPR for 18-km underground tunnel road network

Designed to ease Bengaluru's notorious traffic congestions, the project will deploy six massive Tunnel Boring Machines (TBMs) with a diameter of 14.7 ... More Information

Frontier-Kemper Awarded $1.1 Billion Kensico-Eastview Connection Tunnel Project

Frontier-Kemper Awarded $1.1 Billion Kensico-Eastview Connection Tunnel Project for New York City Department of Environmental Protection... More Information

Assam's first underwater tunnel: CM Himanta Biswa Sarma says DPR nears completion

Assam Chief Minister Himanta Biswa Sarma announced that the Detailed Project Report (DPR) for the Gohpur-Numaligarh tunnel project is almost ... More Information

The Tunnel Vision: A look at California's $20B plan to solve to the state's water crisis

Minassian describes the process, locations and implications of the operation using four tunnel boring machines. READ STORY | HEAR PODCAST. PART 3 ... More Information

Ruby deployed for final Metro West tunnel beneath Sydney Harbour

Tunnel boring machine (TBM) Ruby has begun carving out the final section of tunnel for the Sydney Metro West project. More Information

Photos: Inside the $250 Million Tunnel Being Constructed Under Columbus

Located at an average depth of 50 feet underground, the 12-foot-diameter tunnel has been under construction since early 2021. By the time it is ... More Information

Tideway: £4.5bn ‘super sewer’ begins to protect Thames as first 4 sites activated

The Thames Tideway Tunnel has commenced operation as the first four of 21 sites have been switched on. This means that, after eight years of construction, the 25km £4.5bn “super sewer” has ... More Information

Lowest bidder emerges for Dubai Metro Blue line

Dubai’s Roads & Transport Authority (RTA) opened bids from contractors for the contract to design and build Dubai Metro’s Blue Line on 8 October. The group of China Tiesiju Civil ... More Information

Sanya River estuary passage project makes steady progress

A drone photo shows the construction site of the Sanya River estuary passage project in Sanya, south China's Hainan Province, Oct. 12, 2024. The Sanya River estuary passage project ... More Information

Mumbai Metro 3: Breaking Ground, Defying Odds

Two tunnels for the 33.5-km corridor (Colaba to Aarey), totalling 55 km, were carved out, using 17 Tunnel Boring Machines (TBMs). Certain sections ... More Information

VIDEO: Drone fly through inside new HRBT tunnel

We can't fly you to the moon, but we can fly you through the new #HRBTExpansion tunnel. Drone video gives you a quick glimpse into the... More Information

Skanska receives Innovate UK funding to accelerate decarbonisation of concrete

Our Skanska Costain STRABAG JV has secured funding to trial repurposed London Clay as a low carbon alternative to cement... More Information

Longest Tunnel in the World Entering Final Phase Underneath Newburgh

Repair Plans for the Delaware Aqueduct in Wawarsing and Newburgh, NY. The plan for repairs involved the construction of a 2.5 mile bypass tunnel ... More Information

Two TBM's break through

Two TBM's break through. Joshua Farrell ... tunnelling segments to line the new tunnel walls. Work inside the ... More Information

Texas A&M eyes Elon Musk's Boring Company for tunnel system

A&M officials have conducted a feasibility study with positive results, but they have yet to talk with Musk about the project, Chief Operating Officer ... More Information

Construction Begins on £1.8bn Underwater Tunnel Under Panama Canal

The tunnel is part of Panama's Metro Line 3 monorail project, designed to ease traffic congestion in the metropolitan area. tunnel boring machine... More Information

Webuild at work on the massive railway tunnel at the heart of the Northeast Corridor

After years of planning, the Hudson Tunnel Project (HTP) to improve the railway connection between New York and New Jersey has begun. The first drilling contract for the tunnels, part of ... More Information

TfL Awards Contract for Elephant & Castle Tube Station Upgrade

Transport for London (TfL) has selected Dragados UK to design and construct new passenger tunnels at Elephant & Castle Tube station. These tunnels will connect the new station box to the ... More Information

More than 10 years of transformational tunnelling

More than 23,000 workers, 11 tunnel boring machines (TBMs) and an army of roadheaders and excavators are what it has taken for CPB Contractors to construct more than 80 kilometres of ... More Information

Ivy – the Newest Member of the DEME Marine Fleet on the Fehmarnbelt Tunnel Project

DEME have introduced “Ivy”, the newest member of their marine fleet for the Fehmarnbelt tunnel project! Specifically designed for the transport and immersion of the project’s 89 massive ... More Information

Double down: SA’s groundbreaking purchase

Up to twice the number of Tunnel Boring Machines previously anticipated will be delivered to South Australia for the landmark River Torrens to Darlington (T2D) Project, giving hope the ... More Information

CRL Tunnel Vision September 2024

This month in Tunnel Vision we’re celebrating Te Wiki o te Reo Māori! It’s been a busy month on the CRL fitting out the stations with all the technical systems needed to run and revealing ... More Information

Siddhababa tunnel achieves key breakthroughs.

The first and third cross passages of the Siddhababa Tunnel Project on the Siddhartha Highway have achieved breakthroughs. Construction of two of ... More Information