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The Grimsel tunnel

The Grimsel tunnel

On the 4th February the cantons of Bern and Valais along with with Grimselbahn AG and Swissgrid showcased the Grimsel railway line project. The new narrow gauge line will link Meiringen (BE) with ... More Information

Putzmeister will reveal the new BSF 47-5 at BAUMA

Putzmeister will reveal the new BSF 47-5 at BAUMA

Putzmeister will present its latest truck-mounted concrete pump, the BSF 47-5 at BAUMA in April. It features a 5-arm placing boom mounted on a 4-axle chassis. With a gross weight of less than 32 ... More Information

Montedomini tunnel

Montedomini tunnel

Palmieri has been included on the shortlist of the International Tunnelling Awards for the category “Technical Innovation of the Year”. This is as a result of the complexity and the ... More Information

Penang undersea tunnel delayed

Penang undersea tunnel delayed

Consortium Zenith BUCG Sdn Bhd (CZBUCG), has delayed the construction of the 7.2km undersea tunnel linking Penang to the mainland. This is due to the high volumes of traffic that need to be diverted ... More Information

Robbins Breakthrough at Chennai Metro

Robbins Breakthrough at Chennai Metro

On the 27.01.2016 the Robbins TBM EPB operated by the JV Afcons-Transtonnelstroy broke through. This happened on the downline tunnel at Chennai’s Central station after tunnelling through 1025 ... More Information

The 7th International Symposium on Tunnel Safety and Security

The 7th International Symposium on Tunnel Safety and Security

The 7th International Symposium on Tunnel Safety and Security (ISTSS) will be held in Montreal, Canada, 16 - 18th March, 2016. It covers topics such as safety level & acceptable risk as well as ... More Information

BTS presents proposal to host WTC2019

BTS presents proposal to host WTC2019

London, with its world-class facilities and abundant tourist attractions, is the destination of a bid by the British Tunnelling Society (BTS) to host the World Tunnel Congress and ITA General ... More Information

SBM LINEMIX® 3000 is setting new standards

SBM LINEMIX® 3000 is setting new standards

The high-performance concrete mixing plant SBM LINEMIX® 3000 CM 410-7 H produces concrete for precast segments or tubbings. The SBM concrete mixing plant has two main features when ... More Information

Breakthrough at the Beskyd tunnel

The breakthrough of the new 1.8km double-track Beskyd railway tunnel happened on the  21.01.2016. This tunnel is located in the Carpathian Mountains, in south-west Ukraine. The new tunnel with ... More Information

Thomson East Coast Line in Singapore

Thomson East Coast Line in Singapore

The building of the 13 km East Coast stretch of the Thomson-East Coast Line (TEL)  will connect commuters living in the eastern parts of Singapore and who are not currently directly served by ... More Information

Open consultation for a Lower Thames Crossing

Highways England is consulting from the 26 January 2016 until 24 March 2016 on options for the Lower Thames Crossing, which is a new road crossing for the River Thames connecting Kent and Essex. A ... More Information

Underground Construction Prague 2016 - Registration and Paper Submission

Underground Construction Prague 2016 - Registration and Paper Submission

The 2016 Underground Construction conference will be held in Prague from 23.05.2016 to 25.05.2016. It will showcase information about existing tunnel excavations in the Slovak Republic and important ... More Information

Robin Lindahl appointed new CEO of NORMET

Robin Lindahl appointed new CEO of NORMET

Normet are pleased to announce that Robin Lindahl (51) has been appointed as President and CEO of Normet Group, he will start in his new role not later than 1.5.2016. He will be based in Huenenberg, ... More Information

Robbins Double Shield TBM helps to revamp Montreal's water supply

Robbins Double Shield TBM helps to revamp Montreal's water supply

In 2014 the restoration of the Rosemont reservoir began again, it had been commissioned by the Municipality of Montreal,  Quebec, Canada. The tunnel construction comprises of a large diameter ... More Information

Final Breakthrough in west tube of the Ceneri Base Tunnel

On 21.01.2016 at 12.00 noon and about 700 m away from the north portal at Camorino, the final breakthrough in the 15,289 meter long west tube of the Ceneri Base Tunnel took place. The breakthrough ... More Information

Expotunnel – Third edition in Bologna

Expotunnel – Third edition in Bologna

The countdown has begun - ExpoTunnel 2016 registrations are now officially open! The third edition of the exhibition takes place in Bologna in October 2016 from the 19th until the 21st. Discounted ... More Information

ICE Engineering Underground Space 2016

ICE Engineering Underground Space 2016

ICE Engineering Underground Space 2016: Regeneration through Innovation will be held on the 15 March 2016, in Westminster, London at One Great George Street. Many current and proposed ... More Information

Hanoi Metro Rail Project in Vietnam

Hanoi Metro Rail Project in Vietnam

Hanoi, the capital of Vietnam, is experiencing impressive population growth. The municipality has set out to address this situation  and control impacts in terms of pollution, public health ... More Information

Normet to acquire MEYCO dry concrete spraying business from Atlas Copco

Normet to acquire MEYCO dry concrete spraying business from Atlas Copco

Normet, the innovative technology company offering continuous improvement to underground construction and mining processes, has agreed to acquire from Atlas Copco the assets of the MEYCO dry ... More Information

NFM delivers the TBM Federica

NFM delivers the TBM Federica

On the 14/01/2016 NFM Technologies in Le Creusot delivered the TBM Federica to Telt (Tunnel Euralpin Lyon Turin). The group of companies that are involved in the construction in Savoy, are led by ... More Information

Sandvik drill rigs aid Hydro Power tunnelling in Nepal

Sandvik drill rigs aid Hydro Power tunnelling in Nepal

In order to further improve its operations the Himal Hydro, the leading Nepalese construction company, has recently acquired a Sandvik Commando DC125R surface drill rig. The Commando DC125R is a ... More Information

Datwyler Newsletter

Datwyler Newsletter

Datwyler have released their latest newsletter to read please click here. For further information contact johannes.sutor@datwyler.com of visit the Datwyler website www.datwyler.com 02/16   More Information

Sandvik Construction Digital Yearbook is here!

Please find below the link to the Sandvik Construction Yearbook which features a variety of case stories that have been published during 2015. These show the successful cooperation between our ... More Information

Kartal-Kaynarca Metro is close to opening

Kartal-Kaynarca Metro is close to opening

Istanbul Metropolitan Municipality has said that construction of the 4.5km Kartal-Kaynarca extension of M4 Kadikoy-Kartal (21.8 km) metro in Istanbul  has been completed and test runs will ... More Information

Bertha exits the access pit

Bertha, the SR 99 TBM, is now tunneling in Seattle soil after breaking through the access pit wall on the 06.01.2016. Seattle Tunnel Partners has mined more than 22 m and installed 12 concrete ... More Information

Angren-Pop Railway Line

Uzbekiston Temir Yullari the Uzbekistan Railway Company, will shortly open their new123.1 km  electrified railway line between Agren in the Tashkent region and Pap in the Namangan region. ... More Information

ITA COSUF - Press Release

ITA COSUF - Press Release

4th European Forum of Road Tunnel Safety Officers - High Quality Meeting of Specialists in Rotterdam (The Netherlands) from 9th to 10th March 2016. There is a great demand of high quality knowledge ... More Information

Terratec TBM breaks through in Istanbul metro

Terratec TBM breaks through in Istanbul metro

Terratec is pleased to announce that its EPB TBM designated as S42 holed through on Friday, the 4th of December 2015 in Istanbul after completing the first half of its proposed run from Yenimahalle ... More Information

Terratec delivers two new micro-tunnelling systems

Terratec delivers two new micro-tunnelling systems

On 15th December 2015 TERRATEC successfully completed the Factory Acceptance Tests of two new Micro-tunnelling Systems in its facilities in Thailand for the MRTA Green Line (North) ... More Information

La Quercia-Aglio section Highway A1 now open

On  the 23.12.2015 the Sparvo tunnel had its opening ceremony. It is part of the 32km La Quercia - Aglio section of the Apennine Road Bypass to Highway A1. In this section motorists will be ... More Information

Belchen renovation tunnel – TBM will be launched next February

Belchen renovation tunnel – TBM will be launched next February

The cutter head for the front of the Herrenknecht single shield TBM was fitted on 11th November 2015. The TBM which is 13.97 m in diameter, 2000 ton in weight and has a length of 75 m will start ... More Information

WTC 2016 – Technical papers

The 2016 World Tunnel Congress will be held on 22-28  April 2016 in San Francisco, California. With as many as 600 unique technical presentations, short courses and breakout sessions visitors ... More Information

geoSURE from Sandvik turns drill rig into analyzer

geoSURE from Sandvik turns drill rig into analyzer

Sandvik Construction is adding a revolutionary rig-integrated, high precision, online rock mass analysis and visualization system to its existing offering for tunneling process optimization – ... More Information

Røssåga Main Beam sets Norwegian Milestone

Røssåga Main Beam sets Norwegian Milestone

Robbins Machine is the first TBM to break through in Two Decades. A crowd of crew members gathered to celebrate in front of a newly emerged hard rock TBM on December 10, 2015 in northern Norway, ... More Information

Midtown Tunnel - Two construction milestones achieved

In December the Midtown Tunnel’s tide gate was installed to protect the new tunnel from severe weather impacts, and the final bulkhead was removed between the Norfolk approach and Element ... More Information

A Historic Moment for TBM in Norway!

A Historic Moment for TBM in Norway!

The first Norwegian TBM to break through in over 20 years happened on December 10, 2015 at the Rossaga Hydroelectric Project. The TBM, nicknamed "Iron-Erna", is the first TBM used in Norway since ... More Information

Tunnelling News

Scarborough Subway Extension tunnelling progresses following maintenance stop

The remaining portion of the tunnel will be delivered by Scarborough Transit Connect, the development partner for the project's stations, rail and ... More Information

World's Deepest Underwater Tunnel to Have Cars Drive 16 Miles Under the Sea

Norway is building what is to become the longest and deepest road tunnel under the sea. The Rogfast project, measuring 26.7 kilometers (about 16.5 ... More Information

Tunnelling underway for National Grid’s 3.4km power tunnel in Snowdonia

The tunnel boring machine (TBM) Buddug has commenced excavation of National Grid’s 3.4km power tunnel in Wales’ Eryri National Park, otherwise known as Snowdonia. The tunnel is part of ... More Information

CPK signs contract for construction of HSR tunnel in Łódź

The contract for the construction of a 4.6 km long, 14-metre wide High-Speed Rail (HSR) tunnel will be carried out by construction company PORR. The project is valued at approximately PLN ... More Information

Underneath the busy Baltimore streets, the Howard Street Tunnel gets its makeover

A squad of construction workers descend daily under the streets of Baltimore. They labour deep down, in the semi-secret and highly restricted ... More Information

London Power Tunnels Milestone

We're thrilled to announce that our second 2.5km high-voltage circuit between Hurst and Crayford is now live. This £1 billion project is rewiring London, strengthening energy supply, and ... More Information

U.S. Tunneling Professionals Convene in Dallas at RETC 2025

The event drew approximately 1,400 people. Another highlight of the conference was the presentation of the now annual Underground Construction ... More Information

Construction of NY and NJ GatewayTunnel hits halfway mark

People are looking down at the ground from the Highline on Manhattan's West Side. Some parts of the new train tunnel structure ... More Information

Silicon Valley BART extension seeks new tunneling contractor

Silicon Valley BART extension seeks new tunneling contractor for construction. Maguire told reporters during a briefing Monday morning. He noted that VTA is trying to fill a $1.2 billion ... More Information

Tunneling In The Digital Age: Rethinking Subsurface Infrastructure

But successful construction is just the start of the journey. Underground infrastructure is a long-term investment—just look at the London Underground ... More Information

Sydney Moves Forward with Final Tunnelling for Harbour Project

Sydney prepares for the arrival of the largest TBMs in the Southern Hemisphere as the Western Harbour Tunnel project enters its final tunnelling ... More Information

Metrolinx seeks help to name 2 of its massive Ontario Line tunnel digging machines

Metrolinx is now accepting names for two of its giant tunnel boring machines (TBMs), which will be used for twin 16-metre-deep and six-kilometre-long ... More Information

Deutsche Bahn awards contract for Munich S-Bahn project

The contract involves structural works for the expansion, including the construction of tunnels and an underground station. The Tunnel Ostbahnhof JV, ... More Information

Excavation completed on Italian side of Brenner Base Tunnel

The tunnel boring machine (TBM) named “Flavia” successfully bored through the Alps beneath the Mules 2–3 section, reaching the Austrian border. More Information

Giant tunnel borer set for Shantou Bay project

A giant tunnel boring machine has been installed for tunnelling under Shantou Bay in Shantou, South China's Guangdong province. [Photo provided to ... More Information

€0.4bn road and tunnel project in Georgia

Work is proceeding on the Kvesheti-Kobi road and tunnel scheme in Georgia. The scheme is part of a larger project, being carried out with Chinese ... More Information

Lahore to transform with Rs49 billion tunnel boring project

Pakistan, April 27 -- The federal government has approved Lahore's Rs49 billion Tunnel Boring Project, marking a major development for the city... More Information

Construction at Cleveland Hopkins International Airport

The 2,100-foot-long tunnel connects the terminal to parking facilities and the tramway leading to the RTA public rail line. During the project, two of ... More Information

AFFHOLDER AND J.F. SHEA TEAM UP ON $700 MILLION CONTRACT

The tunneling subsidiary, Affholder LLC, will lead a joint venture with J.F. Shea Construction, Inc., to build the I-35 Capital Express Central ... More Information

Factory Testing Complete on DC Water's first tunnel boring machine for the Potomac River

Mary passed all the necessary requirements and is one of two TBM's on the project. The tunnel is part of DC Water's Clean Rivers Project, to ... More Information

Work on Chennai Metro tunnel racing to a finish

The machine Flamingo, which started boring in 2023 for the tunnel linking Light House with Thirumayilai, is expected to reach the other end in ... More Information

CPK awards contract to build high-speed rail tunnel in Lodz, Poland

The tunnel, to be constructed using a tunnel boring machine (TBM), will have a ... More Information

Inside HS2: Meet London's miners working on the Northolt tunnels

We are on a tunnel boring machine (TBM) inside High Speed Two's huge Northolt tunnels. These tunnel boring machines are part of a tunnelling ... More Information

Ontario Begins Construction Of Last Tunnel Segment Of The Eglinton Crosstown West Extension

The remaining eastern portion of tunnel construction (500-meter twin tunnels) will use the sequential excavation method, with daily progress of ... More Information

Norway is building the world's longest and deepest subsea road beneath its fjords

We have subsea road tunnels which have that construction. And the new tunnel between Germany and Denmark, there they are laying down cases and put ... More Information

CERN releases report on the feasibility of a possible Future Circular Collider

The estimated cost of construction of the FCC electron–positron stage, including the tunnel and all the infrastructure, is 15 billion Swiss francs... More Information

TBM break through on Auckland's £915M wastewater megaproject completes 16.2km tunnel

Auckland's major wastewater infrastructure project, the Central Interceptor, has reached a significant milestone with the final breakthrough of ... More Information

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