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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

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

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

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

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 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

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

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

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

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

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

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

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

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

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

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

Peshraw nears completion

In March this year lighting, ventilation, security, and surveillance for Peshraw tunnel (2390 m) under Mount Azmar, Sulaymaniyah city, Iraq, Kurdistan Region, were tested, and installation and ... More Information

China President visits CREG

President Xi Jinping has visited the CREG TBM assembly factory in Zhengzhou. More Information

Call for Papers for IWMA

The 14th International Water Mist Conference, Istanbul, 22-23 October 2014, will be of interest to those responsible for selecting fire protection as well as researchers/scientists who wish to be ... More Information

Deep driller required for Chile

International recruitment specialist iPS has posted a vacancy for a Spanish-speaking vertical drilling supervisor for a 6 m-diameter water shaft in Chile. Read the details below and contact ... More Information

CREG giant boxjack underway

TBM manufacturer CREG has supplied the world’s largest rectangular boxjacking EPB machine to a project in Zhengzhou, China. Read the press release and visit www.crectbm.com. Contact ... More Information

Repairing the SR99 TBM

Seattle Tunnel Partners, WSDOT’s contractor for the SR 99 tunnel project, has started building the circular pit to access and repair their TBM. Rigs have begun work to install the 75 piles ... More Information

Robbins OFTA success in Ohio

A Robbins Double Shield TBM broke through at the Black River Tunnel Project on 29.04.2014 in Lorain, OH. The 1.7 km-long EPA-mandated tunnel will prevent heavy rains from triggering sewage overflows ... More Information

Albula dualling approved

The license has been approved for the construction of the new Albula rail tunnel on the Thusis-Tirano section, part of the UNESCO World Heritage Site since 2008. The existing Albula tunnel, opened ... More Information

Samoter International Innovation Award

The companies CIFA, Gei-Impianti, Mantovani Benne Mbi, MB Spa, Nord-lock and Venieri Spa have each secured a Samoter 2014 International Innovation Award. The prize is awarded to manufacturers who ... More Information

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Tunnelling News

In pics: construction site of Chongming-Taicang tunnel

A smart assembling vehicle works at "Linghang" large diameter shield tunneling machine at the construction site of the Chongming-Taicang tunnel, part of the Shanghai-Chongqing-Chengdu ... More Information

IN PICTURES: Spectacular images of the removal of HS2's huge tunnelling machine

TBM Sushila was used to construct part of the Northolt Tunnel – an 8.4-mile tunnel ... construction/london-tunnels/progress-3/northolt-tunnel/tbm- ... More Information

Historic tunnels uncovered beneath Salisbury station during £5.3M upgrade project

Engineers from Network Rail and South Western Railway have uncovered a network of tunnels and rooms beneath Salisbury station during ongoing £5.3M upgrades to the station’s forecourt... More Information

Massive $450m road project connecting Russia and Georgia with six bridges & five tunnels

Massive $450m road project connecting Russia and Georgia with six bridges & five tunnels. The new road will pass through Georgia along a trade route ... More Information

Buca Metro Tunnel Excavations Reached 50 Percent Level

Important progress is being made in the construction of the line, where four tunnel boring machines (TBMs), each 100 meters long, 7 meters wide and ... More Information

'Very promising' narrow-reef boring technology nearing rollout stage

A novel tunnel boring machine (TBM) will open up Bokoni's narrow tabular dipping PGM orebody to allow narrow-reef boring to take place, so that ... More Information

A vast undersea tunnel is being built

The 7.4 billion-euro ($7.7 billion) project is a huge undertaking, in every sense. Each section of the tunnel is colossal. These concrete structures ... More Information

National Grid gets planning permission for Grain to Tilbury upgrade with new Thames tunnel

National Grid has secured full planning approval for the Grain to Tilbury project, which includes a new power tunnel under the River Thames... More Information

Right track tunnel of Huangjialing Tunnel in NW China's Gansu drilled through

A staff member works on the construction site of the right track tunnel of the Huangjialing Tunnel in Linxia Hui Autonomous Prefecture, northwest ... More Information

Shetland Islands tunnels plan takes 'huge step forward' with sonar investigations

This phase will further inform the project's development and feasibility. The tunnel project, seen by locals as pivotal for improving ... More Information

Construction of the Tarande tunnel begins next week

On March 17th, in Vilnius district Construction of a tunnel and other related infrastructure will begin at Taranda and Bukiškis. This project aims ... More Information

Delhi Metro's Golden Line achieves major tunnel breakthrough;

The construction of Delhi Metro's Golden Line achieved a major milestone on Thursday as the Tunnel Boring Machine (TBM) broke through at the ... More Information

RiverRenew Tunnel Project Nearing Completion

The RiverRenew Tunnel System Project, the largest infrastructure investment in Alexandria's history, is nearing completion. More Information

Sydney Metro West tunnels enter final stretch after big breakthrough

Two tunnel boring machines (TBMs) constructing the huge Sydney Metro West tunnels have made a smashing entrance 24 metres below the surface. More Information

Chennai Metro Rail launches first tunnel boring machine for underground tunnelling in Kolathur

Corridor 5 begins at Madhavaram Milk Colony and connects through Koyambedu, Porur, Alandur and other residential/commercial areas of the city to ... More Information

Element Six, Master Drilling Announce Tunnel Development Partnership

Element Six and Master Drilling will deliver a diamond-enabled solution designed to increase tunneling development speed, reducing costs and minimize the environmental impact of tunnel ... More Information

Gateway Project Tunnel Connecting NY and NJ Moves Forward

Five Gateway contracts have been awarded so far, including one on Predergast's first day for construction on the Manhattan side of the tunnel... More Information

HSR Xi'an – Yan'an: Completion of All Tunnels in the Project

The HSR Xi'an – Yan'an has completed the excavation of all tunnels, including the Tongchuan Tunnel. This is a key milestone in the construction ... More Information

Brazil's US$1bn underwater tunnel project making waves among potential bidders

The first underwater road tunnel project in Brazil is attracting interest from multiple potential bidders, an official familiar with the matter ... More Information

Element Six and Master Drilling Announce Strategic Partnership for Advanced Tunnel

Achieving high quality, nonexplosive tunnel construction with various aspects of value generated compared to traditional rock excavation methods is a ... More Information

Tutor Perini Wins a $1.2 Billion NYC Contract

A joint venture of Sylmar-based civil construction firm Tutor Perini Corp. and its subsidiary Frontier-Kemper Constructors has won a $1.18 billion contract to construct a pair of rail ... More Information

Milestone reached for $1.6b Auckland wastewater tunne

Watercare's Central Interceptor project has passed an historic milestone with the southern half of the 16.2 kilometre tunnel – Blockhouse Bay ... More Information

Elon Musk's 'Wormhole' Tunnel Promises To Carry 20,000 People Per Hour In Dubai

It’s been more than eight years since Elon Musk decided he was fed up with traffic and declared he’d start digging tunnels to revolutionize public transport across the United States. So ... More Information

First tender for Dubai’s $22bn tunnels due within days

Dubai Municipality is expected to tender the first two packages of the $22bn Dubai Strategic Sewerage Tunnels (DSST) project imminently... More Information

London's Thames Tideway Tunnel now fully connected

After 10 years of construction work, the last of the 21 connections of the Thames Tideway Tunnel was made to the city's Victorian sewage system. More Information

Silvertown Tunnel

Silvertown Tunnel is the Transport for London project looking to forge a brand-new connection between Silvertown and the Greenwich Peninsula... More Information

Dubai Loop: Elon Musk to Build Huge Underground Road Network

Musk's The Boring Company, which is responsible for building a similar project in Las Vegas, aims to create 17 kilometers of tunnel capable of ... More Information

Wisconsin approves $4.5m tunnel lighting project

Wisconsin Governor Tony Evers has approved a $4.5m lighting systems upgrade project in various tunnels in Milwaukee County, Wisconsin. More Information

$1.18bn Manhattan Tunnel contract awarded as part of $16bn Hudson Tunnel Project

The Hudson Tunnel Project is the key section of the Gateway Programme, which is a comprehensive rail infrastructure investment aimed at boosting ... More Information

North East Link continues to forge ahead towards completion

Tunnelling will soon commence on Victoria's longest twin road tunnels – the North East Link tunnels – as two massive tunnel boring machines (TBMs) are ... More Information

Africa's huge £8.5m tunnel cuts up to 26 minutes off journeys to major capital city

The tunnel is to be constructed within the next three years. This project will not only create 500 jobs in the construction ... More Information

CMRL's tunnel boring machine from Panagal Park reaches Kodambakkam station after a year

Chennai Metro Rail's Phase II Project faces delays as tunnel boring machines 'Pelican' and 'Peacock' progress towards Kodambakkam... More Information

$800-million twin-tube tunnel, longest in the Philippines, nears 'breakthrough'

A senior agency official stated on Thursday that the tunneling phase of the Davao City Bypass Construction Project will achieve a long-awaited ... More Information

The World’s Largest Immersed Tunnel Is Being Built—And It’s Done Without a Tunnel Boring Machine

When we think about groundbreaking advancements, our minds often jump to cutting-edge technology like smartphones or supercomputers. But some of the most awe-inspiring innovations are ... More Information

Brenner Base TBM enters 'highly fractured' fault zone

A tunnel boring machine (TBM) working on the northernmost active construction lot of the Brenner Base Tunnel project has entered a “highly ... More Information

India building a historic Undersea Tunnel for Mumbai-Ahmedabad Bullet Train Project

He stated, "All high-quality safety norms have been adopted in the construction of this India's first carefully designed undersea tunnel project." The ... More Information

Norway's Incredible Ship Tunnel Plan Is Back On Track

Despite pandemic-related and planning delays to the project, the Norwegian Coastal Administration is pressing ahead with plans to build the world's ... More Information

PM Modi inaugurates Z-Morh tunnel in J&K

The tunnel works with the under-construction Zojila tunnel to enhance travel efficiency and road connectivity. NEW DELHI: Prime Minister Narendra ... More Information

Metro's tunnel construction on track

Meanwhile, the 'Azad' TBM is already working on the 'up-line' tunnel for the same stretch. After arriving at Transport Nagar, both TBMs were 'dragged' ... More Information

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