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Power your business with tunnelbuilder

As the good times start to roll again in the US and Europe, tunnelbuilder readership is growing rapidly, currently averaging 71,493 visits/month for 2014. Our weekly newsletter garners 10,666 ... More Information

Atkins to lead Doha metro

UK-based design, engineering and consulting firm WS Atkins has been awarded the EUR100 million contract as lead designer for Doha metro Gold Line in Qatar. Visit ... More Information

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

Tunnelling News

Webuild starts work on €3 billion-worth of rail contracts

The 28.3km Taormina-Giampilieri section is also mostly in tunnels. Webuild will use three tunnel boring machines to excavate 25.2 kilometres of ... More Information

Eglinton Crosstown West Extension tunnelling ramps up |

The second tunnel boring machine was recently launched on the scheme to extend the Eglinton Crosstown light rail transit (LRT) line in Ontario, ... More Information

Brisbane authorities unveil £5.6bn tunnel plans

An in depth study found that a new tunnel stretching from Bald Hills to Kedron could be up to six lanes wide and would connect with the airport ... More Information

J.W. White Contracting Leads Summer Tunnel's Major Restoration Project

The restoration of the Boston Summer Tunnel, which carries traffic ... The construction equipment J.W. White is using on the project includes a ... More Information

Record breaking TBM completes water tunnel in Texas

The US$206.7M (£170M) Mill Creek Drainage Relief Tunnel project will provide ... The bored construction work was completed on the tunnel when the ... More Information

Kanpur Metro: Second Tunnel Boring Machine 'Tatya' Begins Tunneling

Gulermak - Sam India Builtwell commissioned tunnel boring machine S92 on Monday (8 August) at Bada Chauraha Station for the first 3.619 km ... More Information

Euro-asfalt picks up Hranjen Tunnel deal

According to media reports, the cost of construction has risen from €41.5 million to €102 million, mainly due to unexpected geological conditions... More Information

Five-year tunnelling project to take place in Bury as part of new £1.75bn water pipeline

Boring machines will cut through the earth and rock and spoil will be removed from behind the tunnelling machine and will be extracted in ... More Information

Construction of Hamburg heating tunnel kicks off

Construction of a new tunnel that will supply northern Hamburg, Germany, with heat from industrial waste started on August 4... More Information

Grand Paris Express to use ground freezing for new station connection tunnel

The two tunnels will pass under Avenue de Verdun to connect the new Line 15 South ... joint venture CAP group, which is led by Vinci Construction... More Information

Texas & Louisiana On the Scene

The next phase will start with construction of the tunnel's concrete liner. Once complete, the Mill Creek Tunnel will include 2 miles of 35-ft-dia ... More Information

India coastal road sets tunnel boring record

Larsen & Toubro, an India-based infrastructure development company, has announced that their Slurry Tunnel Boring Machine (TBM) has achieved a ... More Information

Siemens bags signaling and telecommunication contract for Kolkata Metro Line 3, 6

Chennai Metro to use 23 re fabricated Tunnel Boring Machines for its Phase 2 Project · RINA to prepare DPR for 37-km Sarjapur Road-Hebbal Metro ... More Information

HS2 reveals huge new tunnel at Euston station

Redesigning the tunnel to lower the carbon impact during construction – through reduced material and water use, a reduction in vehicle movements, ... More Information

14 Foot Tunnel Boring Machine Set for Wastewater Project

A new 380-ton tunnel boring machine (TBM) measuring 14 feet 8 inches tall has arrived at a wastewater project in Alexandria, Virginia. More Information

MERET PRO SERIES - Emergency Rescue Team Bags & Accessories

The MERET Pro Series Bags have been designed to help Emergency Rescue Teams do their jobs and save lives. Utilising the strongest materials and adopting smart design techniques with ... More Information

_Incredible new pictures show inside tunnels

The huge Tunnel Boring Machine (TBM) completed its one-mile dig under Long Itchington Wood in Warwickshire. It started its journey at the tunnel's ... More Information

China's new mega tunnel will send water from the Three Gorges Dam to Beijing

Yinjiangbuhan tunnel, connecting to a 1400km open canal, ... said the total length of tunnels and canals under construction or planned for water ... More Information

Tideway pours roof for Albert Embankment shaft

Second tunnel boring machine launched for Stroud sewerage upgrade. Two tunnelling machines are now digging away on Severn Trent's £25M project… More Information

City Rail Link Tunnel Boring Machine breakthrough again at Mercury Lane

Our tunnel boring machine (TBM) is making great progress and today broke through at Karanga a Hape Station... More Information

REM's tunnel boring machine has reached Trudeau airport

The REM's tunnel boring machine has completed a 2.5-kilometre link from the Technoparc in St-Laurent to the underground area where the REM station ... More Information

Work begins on new section of Brenner Base Tunnel

... along with two 16.5km tunnels using two 10m-high tunnel-boring machines (TBMs). The contract also includes lining the tunnel walls and the ... More Information

HS2 offers tunnelling career trial in Warwickshire

Dorothy, BBV's first giant tunnel boring machine (TBM), launched from Long Itchington Wood, Warwickshire in December. She will complete her first ... More Information

Komatsu to trial new-gen tunnel borer at Codelco mine

The latest TBM is enabled with technologies that adapt to small curves, reversing and passing intersections in hard rock tunnels. Previously, TBMs ... More Information

Lower Thames Crossing’s Post

Exciting news! We've just launched our dedicated YouTube channel. Follow our new channel and turn on notifications to be updated when we post a new video... More Information

N.J., N.Y. sign funding agreement on Gateway rail tunnel, bridge. Tunnel work could begin in 2023.

Gov. Phil Murphy and New York Gov. Kathy Hochul signed a first agreement delineating how the two states will fund the local share Gateway project to build a rail tunnel under the Hudson ... More Information

Strait of Gibraltar Morocco-Spain Tunnel Project Updates

Construction of the Morocco-Spain tunnel is expected to commence in 2030. This is according to the Spanish research firm (SECEGSA). More Information

'Nana' And 'Tatya' Begin Work On Creating Underground Tunnels For Kanpur Metro

A tunnel boring machine (TBM) also known as a “mole“, is a machine used to excavate tunnels with a circular cross section through a variety of soil .. More Information

HRBT Summer 22 FINAL

Did you know the word ‘solstice’, is derived from the Latin word solstitium, meaning the time when the sun seemingly appears to stop moving at the minute the summer season arrives... More Information

Shipka Tunnel Project Implementation in Bulgaria Begins

The PSVT consortium was chosen for the Shipka Peak Tunnel project as part of the Gabrovo City bypass near Yantra ... Search for construction leads ... More Information

Bam to divest German tunnelling specialist

Dutch construction company Royal Bam Group has agreed to sell its German infrastructure business Wayss & Freytag Ingenieurbau to Zech Building... More Information

Contract awarded for Coffs Harbour Bypass design and construction

The Federal and New South Wales Governments have awarded the design and construction contract for the $2.2 billion Coffs Harbour Bypass. In a joint venture, Gamuda Australia and ... More Information

Breakthrough at First Koper-Divača Rail Track Tunnel

The first of the seven tunnels on route of the new railway linking the port town of Koper with the Divača railway junction was broken through on Monday with officials telling the ceremony ... More Information

Elon Musk's Boring Company approved for tunnels to downtown Las Vegas

The Boring Company has just received approval from the City of Las Vegas, so that the Elon Musk-led company can extend its tunnel network ... More Information

First TBM in place for Metro Manila Subway

Tunnelling now due to start from Valenzuela City. Photo Credit: Philippines Department of Transportation. THE first tunnel boring machine (TBM) to be ... More Information

Green light for the €1.5BN infrastructure project, Tvärförbindelse Södertörn, in Stockholm

The decision has now been made to start construction for Tvärförbindelse Södertörn, which will primarily relieve the current road 259 and Södra Länken. Together with Norrortsleden and ... More Information

Digging 32km of ‘Power Tunnels’ beneath London

Project director Gareth Burden lifts the lid on National Grid’s efforts to rewire London for the next 120 years by burying a 32.5km network asset beneath the capital... More Information

Construction of underwater Silk Tunnel in Iraq is on track - govt. official

South Korea’s Daewoo Engineering & Construction had bagged the tunnel contract as part of a $2.7 billion deal with the Iraqi government General Company for Ports of Iraq (GCPI), which also ... More Information

hyperTunnel’s growth backed by VINCI investment

hyperTunnel has received a financial investment from VINCI, a global leader in concessions, energy and construction businesses. The funds will be used for business expansion and to further ... More Information