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Terratec in Laos

Terratec in Laos

A Terratec 5.74 m-diameter double shield hardrock TBM has started boring and lining 11.3 km of a hydro tunnel in Laos. Read the press release and visit www.terratec.co. If you have not yet read ... More Information

Robbins top stories

Robbins top stories

Robbins year-end edition of its Underground Innovations newsletter reviews 2014/2015 projects in the article Up for the Challenge. Read the newsletter and visit www.TheRobbinsCompany.com. 14/15. More Information

Northgate link extension

Northgate link extension

On 17.03.2015 TBM Brenda broke through the north wall at the future Roosevelt Station of the Northgate Link Extension in Seattle, US. The EUR2 billion Northgate Link Extension will connect ... More Information

Southbound Ceneri holing

Southbound Ceneri holing

On 30.03.2015, the final breakthrough in the south-bound east tube of the Ceneri Base Tunnel linked Sigirino with the south adit at Vezia, some five years from the first blast by Consortium ... More Information

Ceneri breakthroughs

Ceneri breakthroughs

On 17.03.2015, thirteen months ahead of schedule, the first breakthrough to the south took place in the southbound west tube of the Ceneri Base Tunnel. The deviation was extremely small, only 2 cm ... More Information

London Power Tunnels completion

London Power Tunnels completion

On 11.03.2015 TBM Evelyn broke into the shaft at Kensal Green bringing to an end the tunnel construction phase of the London Power Tunnels project, the  longest single tunnelling contract in ... More Information

BBT tunnels approved

On 24.03.2015 the Province of Bolzano approved the project for the construction of the main tunnels of the Brenner Basis Tunnel (Lot Mules) and confirmed the requirements for environmental ... More Information

Joint statement on cross alpine corridors

Joint statement on cross alpine corridors

On 20.03.2015, at Innsbruck, the joint statement on cross alpine corridors was signed. The Austria, Germany, France, Slovenia, Switzerland and Liechtenstein ministers of transport signed an European ... More Information

Cifa at Intermat 2015

Cifa at Intermat 2015

CIFA is further widening the Carbotech range truck-mounted pumps that, thanks to new high-performance materials, feature longer booms while still respecting weight limits. Two more models will be ... More Information

TBM Victoria arrival

TBM Victoria arrival

London Crossrail TBM Victoria, named after Queen Victoria who oversaw the birth of modern railways, has successfully broken in to the eastern end of Liverpool Street Crossrail station. The ... More Information

Follo Line award

Follo Line award

Acciona (Spain) in partnership with Ghella (Italy) have been named preferred bidders by the Norwegian National Rail Administration to design and build the 19 km-long twin tunnels of the Follo Line ... More Information

Project Managers for Norway

Project Managers for Norway

International tunnelling recruitment specialist iPS is seeking managers, planners and QS for a tunnel project in Norway, starting immediately and with two-year duration. ... More Information

19 TBMs drive Delhi Metro

Some 19 TBMs are currently engaged in constructing tunnels of Phase 3 of Delhi Metro, where 74 separate tunnelling drives are planned. Around 41 km of tunnelling and 33 tunnelling drives have been ... More Information

Terratec’s 25th anniversary

Terratec’s 25th anniversary

Terratec was incorporated in Australia in 1990 to satisfy the local market for TBMs and RBMs. Since then, the company has expanded its sales coverage into China, South East Asia, India, Europe and ... More Information

Lafontaine protection

Lafontaine protection

The1.8 km-long Louis-Hippolyte-La Fontaine Tunnel in Montreal is the only underwater tunnel in Quebec. Opened in 1967, the tunnel connects the south shore of the Saint Lawrence River to the Island ... More Information

Ahrental work starts

The Brenner Base Tunnel, the 64 km-long heart of the new Brenner rail line between Munich and Verona, is progressing apace, with work starting on the Ahrental main tunnel in Austria. Many important ... More Information

Seymour-Capilano completion

The Twin Tunnels project on the North Shore is nearing completion near Vancouver, Canada. Two tunnels, 3.8 m in diameter and 7.1 km long, have been constructed beneath Grouse Mountain and Mount ... More Information

HDD crew required

HDD crew required

International recruitment specialists iPS are looking for experienced horizontal directional drilling personnel for a four-week assignment near Calgary, Manitoba, Canada. Click here for further ... More Information

Val Sarentino tunnels update

Val Sarentino tunnels update

On 16.03.2015 the EUR14.2 million fourth part of SS 508 Val Sarentino upgrading project starts, including the final work in the 1,520 m-long and 2 km-long tunnels constructed by Consorzio Stabile ... More Information

SR-710 North EI Studies

Four years ago, the California Department of Transportation (Caltrans) and the Los Angeles Metropolitan Transportation Authority (Metro) began studying the environmental impacts of continuing the ... More Information

North West Rail

North West Rail

In Sydney, Australia on 02.03.2015 Florence, the second North West Rail Link TBM, broke through into the new Norwest Station area. All four 900 t TBMs are now in the ground ahead of schedule and ... More Information

SR 99 disassembly underway

SR 99 disassembly underway

TBM Bertha reached her stopping point in the SR 99 tunnel access pit in Seattle, US on 03.03.2015, clearing the way for Seattle Tunnel Partners to begin a disassembly process that will likely take ... More Information

Tunnels and Underground Construction 2015

The abstract submission deadline for Tunnels and Underground Construction 2015has been extended to 31.03.2015. The conference will be held at the Holiday Inn, Zilina, Slovakia. Contact ... More Information

Turin Collegno-Cascine Vica

Last 17.02.2015 the City Council approved the final project of Collegno-Cascine Vica section, Line 1 of Turin metro. The project will be now evaluated by other authorities and MIT (Ministry of ... More Information

Turin metro start

Work is underway on the Lingotto-Bengasi (Line 1) section of the Turin underground. On 07.07.2014 Infra.To awarded to C.C.C. (Consorzio Cooperative Costruzioni), replacing Seli/Coopsette JV, the ... More Information

Follo Line award

Follo Line award

Companies from all over Europe and Asia will participate in the Follo Line Project in Norway, a 22 km-long double track line between Oslo Central Station and the public transport hub at Ski. Key to ... More Information

Promoter for Lyon-Turin HSR

Promoter for Lyon-Turin HSR

On 24.02.2015 Maurizio Lupi, the italian Minister of Infrastructure and Transport, and  Alain Vidalies, the French Secretary of State for Transport, signed in Paris an integration to the 2012 ... More Information

Call for papers ISTSS 2016

Call for Papers for the 7th International Symposium on Tunnel Safety and Security (ISTSS 2016), to be held Montreal, Canada, 16 - 18th March 2016 is now open. Manuscripts and posters submitted for ... More Information

Robbins revives NY EPB

Robbins revives NY EPB

On 28.01.2015 the 3.8 m-diameter TBM EPB Pat completed the last metres of the 2.9 km-long tunnel between Brooklyn and Staten Island. The tunnel, part of the New York City Harbor Siphons Project, is ... More Information

CAIS – Compress Air Intervention System

CAIS – Compress Air Intervention System

Compressed Air Work GmbH has developed the first mobile automated system for decompression chambers for personnel known as CAIS – Compress Air Intervention System. Fundamentally, the system ... More Information

Five CIFA Spritz Beton machines for the Brenner Base Tunnel

Five CIFA Spritz Beton machines for the Brenner Base Tunnel

Work on the tubes of the Brenner Base Tunnel is in full swing on different fronts. Excavation of the new Tulfes-Pfons section officially began on 18.09.2014. In 5 months, at 16.02.2015, ... More Information

Shenzhen metro lines progress

Construction on the extensions of seven lines to add 87 km to the Shenzhen, China metro system will start between 2015 and 2017. The Shenzhen Rail Construction Office plan for this third phase of ... More Information

Waterview progress

Waterview progress

In Auckland, NZ, by early-February, 2015 Waterview TBM Alice had advanced 125 m from the northern approach trench, in the second of the motorway tunnels, the northbound tunnel. When the TBM reaches ... More Information

Surfacing Bertha

Surfacing Bertha

In Seattle, WA contractor STP is making final preparations for TBM Bertha’s move into the 36.57 m-deep pit from which the machine will be hoisted to surface for repairs. STP has injected grout ... More Information

Marao tunnel restarts

Marao tunnel restarts

Last November, in northern Portugal, the consortium Teixeira Duarte/EPOS started completion work on the bi-tube 5.7 km-long Marao tunnel. Work on the missing link on the 32 km-long A4/IP4 connection ... More Information

Intermat in Paris

Intermat 2015, the international exhibition for equipment and techniques for the construction and materials industries, will take place 20-25th April, 2015 at Paris Nord Villepinte, France. Online ... More Information

Tunnelling News

Femern - inauguration of the first tunnel element

We are pleased to announce that H.M. King Frederik X will take part in the inauguration of the first tunnel element on the construction site on 17 June. H.M. King Frederik X will arrive at ... More Information


A busy first half of the year on the HOCHTIEF-MURPHY Joint Venture (HMJV) Package 5 Headhouses & M&E contract on National Grid’s LPT Phase 2... More Information

Tesla Cybertruck escorts Boring Co's Prufrock-3 tunnel boring machine

The Boring Company's Prufrock-3 tunnel boring machine (TBM) recently completed a tunnel to Giga Texas, and in true Elon Musk fashion, ... More Information

Kazakhstan’s First Automobile Tunnel and Largest Bridge to be Completed this Year

As reported by the Kazakhstan’s Ministry of Transport, Kazakhstan’s first automobile tunnel through the Shakpak Baba Pass and the country’s largest bridge over the Bukhtarma Reservoir ... More Information

HRBT Expansion Project hits big milestone, could be on track for early completion

The tunnel boring machine, known as Mary ... construction of our two new bored tunnels,” said Project Director Ryan Banas... More Information

TBMs Pass Factory Test For Lesotho Highlands Water Project

A team of engineers and tunnel experts from the Lesotho Highlands Development Authority (LHDA) together with consultants and contractors working on the Polihali transfer tunnel recently ... More Information

Royal Cargo opts for Goldhofer heavy transport equipment

It has also been in action moving tunnel boring machines (TBM) for the Metro Manila Subway project ... machine part posed a significant challenge due ... More Information

Tunnel breakthrough on NI Water's £7.8M Portadown wastewater project

The tunnel boring machine excavated roughly 1,000m3 of material, which would have risen to 8,000m3 of spoil with a more traditional open-cut method. More Information

The Boring Company announces Cybertunnel at Tesla Texas HQ

In January, the company's latest tunnel boring machine (TBM), Prufrock 3, was first spotted near Tesla's Giga Texas. Prufrock-3 has ... More Information

How do you build tunnels and bridges underwater?

Underground construction usually uses powerful tunnel-boring machines to excavate soil directly. This machine is often called a mole for a reason. More Information

Five Huge New Construction Projects Coming To The US

A spokesperson for the project told Newsweek: "The Hudson Tunnel Project is a generational investment that is expected to create 95,000 new jobs and ... More Information

Chennai Metro Corridor 3: Adyar River Tunnel Work Hampered By Geological Setbacks

For the stretch between Greenways Road and Adyar, CMRL engaged two TBMs, 'Kauvery' and 'Adyar.' These machines were launched from Greenways Road ... More Information

French and Danish firms to build Valby 'cloudburst tunnel'

The underground tunnel will be 2,380m long and will be constructed as a drilled tunnel with an internal diameter of 3.4m. The tunnel will have the ... More Information

Howard's approved budgets include $44.9M for Ellicott City tunnel

The Howard County Council has approved a $2.4 billion operating budget for fiscal 2025, along with a $413 million capital construction budget that ... More Information

DC Water Breaks Ground On Potomac River Tunnel Project

DC Water on May 21 hosted a groundbreaking ceremony to officially commence construction activities for the Potomac River Tunnel Project... More Information

Silvertown Tunnel portal connections completed

A complete transformation of the tunnel shape was needed to connect the circular tunnel boring machine (TBM) constructed ... More Information

The $4BN Tunnel to Save Stockholm - The B1M

Above: A tunnel entrance under construction. When it completes in 2030, the $4BN project will be one of the longest road tunnel systems in the world. More Information

OHLA awarded the Gjønnes tunnel in Norway for nearly 160 million euros

The Norwegian Public Roads Administration (Statens Vegvesen) has awarded the company the design and construction of the Gjønnes tunnel for 156 ... More Information

Utilities tunnel dug through 'challenging' ground conditions under River Tees

Main contractor Farrans Construction worked with specialist contractor Joseph Gallagher to construct the tunnel. During its five weeks of tunnelling ... More Information

China develops world's first boring and blasting machine

In a groundbreaking development, the world's first boring and blasting machine, jointly developed by Tsinghua University and China Railway Science and Industry Group, has successfully ... More Information

Tunnel boring machine wedged in hard rock, leaving Snowy 2.0 hydropower project with new issues

Tunnelling problems are plaguing the $12 billion Snowy 2.0 hydropower project, with a boring machine previously bogged in soft ground now wedged in ... More Information

Construction Complete On New High-Speed Rail Tunnel

Inside the completed Desheng Tunnel, and inset, a Chinese high-speed train. Work on the project is now complete. © China ... More Information

DC Water Breaks Ground on Potomac River Tunnel Project

The Project consists of a large-diameter deep sewer tunnel, diversion facilities, drop shafts, and support structures to capture flows from existing ... More Information

Morocco’s proposed $13 billion underwater tunnel to connect Europe to Africa by 2030s

An historic intercontinental rail link is aiming to link Europe to Morocco with an ambitious underwater tunnel. The Moroccan National Company for Strait Studies (SNED) announced last ... More Information

Government set to fund £1bn final HS2 London tunnel drive

The project was halted as part of Prime Minister Rishi Sunak’s £6.5bn cost-cutting plan announced last October. This involved axing phase 2 to Manchester and finding a private investor ... More Information

HS2 Project Update, May 2024

Our Victorian railways have carried us successfully through history, but with passenger numbers continuing to rise, investing in new, modern railway lines like HS2 is the key to meet the ... More Information

PM inaugurates breakthrough of Sunkoshi Marin Diversion tunnel

A breakthrough of the Sunkoshi Marin Diversion Multi-purpose Project tunnel has been made... More Information

Toronto's Eglinton Crosstown extension moves closer to tunnelling completion

The project is being delivered by Infrastructure Ontario and Metrolinx. West End Connectors was awarded the C$729M (£425M) contract to design, build ... More Information

_Fehmarnbelt tunnel program hits major milestone

DEME Group said that the Fehmarnbelt tunnel project, one of Europe's largest infrastructure projects, has achieved a significant milestone with ... More Information

The incredbile new £12bn mega-tunnel that could end traffic chaos in world famous city

Construction on the £12.63 billion mega-tunnel has already begun and it is expected to be open in 2035. · Animation for The Hudson River Tunnel project. More Information

Great Lakes Tunnel Project makes progress

Ready to move forward. Enbridge is preparing to begin tunnel construction as soon as possible, following receipt of environmental permits ... More Information

Hudson Tunnel Project is expected to create 95,000 jobs

The report is based on research done on behalf of the Gateway Development Commission. “The Hudson Tunnel Project is the most pressing infrastructure ... More Information

The $2.8BN Megaproject Dividing London

London is building a controversial new tunnel under the River Thames. Head to https://brilliant.org/TheB1M/ for a 30-day free trial + the first 200 people will receive 20% off their ... More Information

Namma Metro: Underground tunnel work on Pink Line 95% complete

This underground portion includes the ambitious task of constructing 20.992 km of twin tunnels. Progress is also underway on the construction of 18 ... More Information

How an ancient water tunnel design is cooling 21st-century streets

In Seville, 3,000-year-old underground technology is being transformed in modern day air-conditioning. An aqueduct at the unopened CartujaQanat pilot ... More Information

Frederick Douglass Tunnel Program B&P Tunnel Replacement Project

Project Description: Proposed utility and roadway relocations include civil work to support the construction of Amtrak's Frederick Douglass Tunnel. More Information

Fehmarnbelt | Purpose-built vessel arrives to line tunnel trench with gravel 'cushion'

The Fehmarnbelt Fixed Link is a new road and rail tunnel being constructed between Denmark and Germany. It will comprise 89 precast concrete ... More Information

Successful Breakthrough of Gudauri Tunnel in Georgia's North-South Corridor KK Highway Project

KAZBEGI, Georgia, April 23, 2024--The 10-kilometer LOT1 Section is constructed by China Railway Tunnel Group Co., Ltd., of which the Gudauri ... More Information

Construction of Shinku La Tunnel to bolster all-weather connectivity in Ladakh Rising Kashmir

Leh, Apr 21: Member of Parliament from Ladakh, Jamyang Tsering Namgyal, announced that work on the strategically vital Shinku La Tunnel is set to ... More Information