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EnviroLAV from MineARC

EnviroLAV from MineARC

The powerless EnviroLAV is a robust, self-contained, corrosion resistant steel toilet system that is easy to operate and maintain. More Information

Zitron sponsors tunnelbuilder.es

Zitron sponsors tunnelbuilder.es

As the largest Spanish manufacturer of mining and tunnelling ventilation fans, Zitron has been a mainstream advertiser at tunnelbuilder.com More Information

Clean water for Mumbai

Clean water for Mumbai

A rapid Robbins 6.25 m-diameter main beam TBM is speeding up the provision of clean water to 20.5 million residents of Mumbai, India. More Information

Metro construction in Santiago

On 09.11.2013 construction started on the Los Leones station of Santiago metro Line 6. More Information

Transmission line Sorgente-Rizziconi

Transmission line Sorgente-Rizziconi

The underground link between the Favazzina arrival location of the submarine cables and the Scilla power station is key to the new 380 kV AC double-circuit Sorgente-Rizziconi transmission line to link Sicily and Calabria. More Information

World TBM records

For a comprehensive list of TBM records by diameter and type visit More Information

Sandvik jumbos for Tampere

Sandvik jumbos for Tampere

Top Finnish infrastructure company Lemminkainen has chosen Tamrock DT1131i jumbos to excavate the 2.3 km-long Rantavayla tunnel on its Lakeside Route project in Tampere More Information

2nd Eastern European Tunnelling Conference

Abstract submission deadline for next year’s Eastern European Tunnelling Conference is 30.11.2013. More Information

Breakthrough for Crossrail

Breakthrough for Crossrail

On 07.11.2013 Crossrail reached another important milestone as 1,000 t TBM Elizabeth broke into Stepney Green Cavern, one of Europe’s largest mined caverns, in the East End of London. More Information

Fehmarnbelt pre-bid conference

From 12-15th November, Femern A/S will gather together around 125 representatives from the nine consortia that have pre-qualified to bid for work on the immersed tunnel. More Information

TBM Bertha stops for maintenance

A week ago, Seattle’s SR 99 tunnelling machine Bertha stopped near South King Street for scheduled maintenance. More Information

Visit ES Rubber at STUVA

Visit ES Rubber at STUVA

A warm invitation from ES Rubber, renowned manufacturer of gaskets for segmental lining elements, to visit booth G122 More Information

Sandvik roadheaders for Confederation Line

Sandvik roadheaders for Confederation Line

Three Sandvik MT720 roadheaders will be used to excavate the 2.5 km-long tunnel on Ottawa’s 12.5 km-long Confederation Line. More Information

STUVA Conference 2013 in Stuttgart

STUVA Conference 2013, with the slogan ‘’Tunnels – Infrastructure for the Future’’ will be held at the Congress Centrum of Stuttgart from 27-29th November, 2013 More Information

New Irvington Tunnel excavated

On 08.10.2013 the final breakthrough for the 5.7 km-long New Irvington tunnel was recorded. More Information

Breakthrough at Steinbuehl

Breakthrough at Steinbuehl

On 30.10.2013 first breakthrough was accomplished on the 4.847 km-long Steinbuehl tunnel on the 15 km-long Wendlingen-Ulm section 2.2 at Stuttgart. More Information

Breakthrough in Abu Dhabi

On 08.10.2013 boring of the 41 km-long Abu Dhabi deep sewer tunnel was completed at internal diameters up to 5.5 m. More Information

News from Leeds

The third and final part of a major scheme to fix the Leeds Inner Relief Road can go ahead after the Department for Transport approved EUR19 million. More Information

Marmaray tunnel opens

The first tunnel to connect two continents has finally opened in Turkey. The Marmaray tunnel beneath the Bosphorus is the world’s deepest immersed tube at 55 m below sea level at its lowest point. More Information

ATS call for abstracts

Abstract submission deadline for next year’s Australasian Tunnelling Conference is 25.11.2013. More Information

Delhi metro start at INA

Delhi metro start at INA

DMRC has started TBM tunnelling Delhi metro from INA to South Extension on the Mukundpur-Shiv Vehar corridor as a part of its Phase 3 More Information

MineARC refuge chambers for tunnels

MineARC refuge chambers for tunnels

MineARC systems specializes in designing and custom building refuge chambers for the safe retreat of personnel engaged in tunnelling and underground construction. More Information

iPS in Middle East

iPS in Middle East

Barrie Willis, tunnelling manager with international recruitment agency iPS, is visiting the Middle East this week to discuss opportunities for various infrastructure and tunnelling projects in Qatar and elsewhere More Information

Femern A/S submission in Germany

Femern A/S has officially handed in its overall application for approval of the Fehmarnbelt Fixed Link in Germany. More Information

Toronto-York Spadina breakout

On 07.10.2013 TBM Yorkie broke through the headwall at the extraction shaft located on Highway 7, More Information

ILMEG products AB launches dust collector system

ILMEG products AB launches dust collector system

ILMEG develops, manufactures, markets and sells dust control systems for the construction, tunnelling and mining industries. More Information

Robbins’ VP Joe Roby on cutting tools

Robbins hopes to see you at stand 26 at the Queen Elizabeth II Conference Centre during the BTS conference in London from October 23-24th, More Information

New website for ES Rubber

New website for ES Rubber

Since 1968, ES Rubber has designed, developed and manufactured superior rubber solutions for global industries. More Information

Terratec delivers number six TBM

Terratec delivers number six TBM

TBM manufacturer Terratec has now delivered six of the eight TBMs ordered for Delhi Metro Phase 3. More Information

40th birthday for Seven Service!

40th birthday for Seven Service!

In 2013 Seven Service Srl celebrates 40 years of activity in the business of industrial paints, road markings and road barriers assembly, production of signs, More Information

Geodata increases its presence

Geodata increases its presence

Austria-based monitoring, surveying and IT company Geodata has taken a foundation sponsorship at tunnelbuilder.es, More Information

Waterview TBM to launch

Waterview’s 2.4 km-long twin tunnels, up to 45 m beneath Avondale and Waterview, both three lanes wide, are the key feature of the new six-lane, 4.8 km-long motorway being built for the More Information

San Daniele tunnel opens

On 28.09.2013 the second lot of Ora ring road opened to traffic, including the 1,062 m-long San Daniele tunnel. More Information

Work starts at Forlanini station

On 26.09.2013 the company SP M4 Scpa, composed by Impregilo Spa, Astaldi SpA, Ansaldo STA SpA, Ansaldo Breda SpA, Azienda Trasporti Milanesi SpA and Sirti SpA More Information

ES Rubber at City Build

ES Rubber at City Build

ES Rubber, producers of engineered sealing solutions for tunnels around the world, will be exhibiting at City Build, Moscow 15-17th October, 2013. More Information

Savona TBM making ready

Savona TBM making ready

Work has started on assembling TBM Lucia, which will drive the 3.9 km tunnel for the national road SS 1 Nuova Aurelia, access to the Savona harbour. More Information

Tunnelling News

New game-changing tunnel boring, reef cutting 'meeting and beating' all expectations

UG2 reef at Bokoni is the target of the twin mobile tunnel boring and narrow reef cutter. Tunnelling will be done with the mobile tunnel borer for ... More Information

Mota-Engil CEO confirms winning bid for Santos-Guaruja tunnel

The company's subsidiary, Mota-Engil, has won the tender for the construction and operation of Brazil's first underwater tunnel, connecting the ... More Information

Metro Vancouver Utility Nearing Finish of $288M Annacis Water Tunnel

“Resilience is at the heart of this project,” said Nedim Alca, COWI's North America market director. “What makes this milestone so significant is not ... More Information

Fehmarnbelt: Danish tunnel portal nears completion

The work on the entrance to the Fehmarnbelt tunnel at Rødbyhavn on Lolland is almost complete. photo courtesy of The Fehmarnbelt Project. More Information

Final decision on airport tunnel 'now or never'

Alderman Jim Stevenson and City administrators are making a dramatic last push for the airport tunnel before construction on the new north/south ... More Information

Athens Metro Line 4 works to finish by 2029

The construction of Athens Metro Line 4 is progressing steadily, with the entire project ... Tunnel mistakenly excavated in Athens metro project. More Information

First trains on track to run through Metro Tunnel within three months

Melbourne's $15.5 billion Metro Tunnel could be switched on in as little as three months as construction wraps up at two CBD stations and trains ... More Information

Petersburg crews to begin tunnel project in response to ongoing flooding, damage - WRIC

As ongoing water issues have caused significant damage to infrastructure around Petersburg, the Old Towne neighborhood ... More Information

Intelligent optimization framework for tunnel construction

Tunnel construction forms the foundation of railway development and is essential for ensuring route continuity and operational efficiency. However, ... More Information

São Paulo positions TBM for next phase of Line 2-Green

A major milestone was reached on Monday (1 September) with the lowering of the cutter head of the tunnel boring machine (TBM) Cora Coralina... More Information

The 700-ton machine that'll dig NYC's Second Avenue subway extension

NYC has a new tunnel boring machine in its toolbox for the expansion of the line under 2nd ave. If you've never seen some BIG earth moving machines, ... More Information

Light at the end of the tunnel showing for Mount Washington transit project

The project is expected to be completed in October. New tracks finally emerge from the Mount Washington Transit Tunnel as a part of Pittsburgh ... More Information

Davao City Bypass South Tunnel hits breakthrough towards improved connectivity

The Construction Project with the ceremonial breakthrough of the southbound tunnel, marking the complete excavation from opposite ends of the ... More Information

Which companies are bidding for the US$2.3bn highway and tunnel contracts in Brazil?

The project in Brazil, as it will be the country's first underwater tunnel,” the person added. The project involves construction of a 1.5km tunnel ... More Information

US Northeast Rail Corridor Gets a Major Makeover with Tunnel and Bridge Replacements

This project is designed to replace tunnels severely damaged by Superstorm Sandy, ensuring smoother and more reliable service for Amtrak, NJ Transit, ... More Information

DPWH, JICA celebrate breakthrough of Southbound Tunnel in Davao Bypass

The event marked the successful connection of the tunnel's north and south ends. The ... More Information

Jacobs joins Ramboll on Marselis road tunnel project in Denmark

Danish Road Directorate senior project manager Michael Schmidt Vosgerau said: “It is a complex task to build a tunnel on one of the busiest access ... More Information

Planning continues for Midway Tunnel, Safe Streets for All projects

The Midway Tunnel project is a $13.4 million plan ... construction of a new overpass bridge and pedestrian and bicycle walkway above the tunnel. More Information

Four million tons of clay moved in HS2 excavation

Construction on HS2's second-longest tunnel started in October 2022. The rotating cutters cut away clay and other material at a rate of about 50ft ... More Information

Jacobs Has Design-CM Role on $640M Denmark Tunnel, With Ramboll as Key Consultant

Set to begin construction in 2028, Marselis Tunnel project is core component of the country's 10-year Infrastructure Plan 2035. By Emell D. Adolphus. More Information

Elon Musk's $760,000,000 plan to build underground tunnels beneath Houston, Texas

Elon Musk's next big construction plan from The Boring Company could build $760000 worth of tunnels beneath Houston to help with flooding... More Information

Kerala Moves Closer To Vizhinjam–Balaramapuram Tunnel Rail Project

The Kerala government is preparing to invite bids next month for the tunnel rail project linking Vizhinjam International Seaport with ... More Information

Norway's Ship Tunnel Project Under Threat as Costs Rise

New cost estimates suggest the ambitious project will far exceed its approved budget, raising questions about whether it will ever be built. More Information

Davao City Bypass southbound tunnel nears breakthrough

The Department of Public Works and Highways (DPWH) announced that the southbound tunnel of the Davao City Bypass Construction Project (DCBCP) is ... More Information

CA should pursue better alternatives to the costly Delta Tunnel Project Stocktonia

Governor Gavin Newsom is attempting to fast-track the construction of a massive, budget-busting water tunnel through the Delta to ship freshwater to ... More Information

Physical Origins of Shear Strength Fluctuations in Fault Gouges

Fault gouge is rock texture within fault zones that may include rock fragments (RF) and foliated structures. Previous studies have primarily focused on remould soils, the natural structure ... More Information

Webuild expands its role in high-speed rail projects

Four modern tunnel boring machines will be deployed to ensure precision and safety in complex geological conditions. Once completed, the old single- ... More Information

Hudson Tunnel Project advances as tunnel boring machines near completion

The Hudson Tunnel Project hit a key milestone as massive tunnel boring machines near completion, with delivery set for November. More Information

Nagdhunga tunnel in final stages of construction

If we look at the history of road construction and development in Nepal, there are various records of road construction starting from the Rana period. According to articles published in ... More Information

Boring of tunnel across Yellow River completed in China's Shandong

Constructed by using a "Shanhe" shield machine with a 17.5-meter excavation diameter, this double-deck, two-way, six-lane tunnel stands as the world's ... More Information

The £1.6bn plan for world's deepest underwater road tunnel leaving 'no room for error'

Opening of Rogfast tunnel under construction. The Rogfast tunnel will be the longest and deepest undersea road tunnel on Earth. (Image: SKANSA). A ... More Information

Tunnelling complete on NSW's Coffs Harbour bypass project

Tunnelling has been completed on the A$2.2bn (£1.1bn) Coffs Harbour bypass project in New South Wales, Australia, with the excavation of the third ... More Information

Veidekke acquires tunnel construction contract for Gothenburg's West Link Project

Veidekke has received a contract from the Swedish Transport Administration to build the Stora Hamnkanalen tunnel, a component of the West Link ... More Information

German Rail completes construction of Rastatt Tunnel

GERMAN Rail (DB) has completed civil works on the new 4270m twin-bore Rastatt Tunnel, a major component of the project to widen to four tracks the ... More Information

Final contracts signed for Eastern Freeway transformation

A huge amount of work is underway to build North East Link and upgrade the freeways – two tunnel boring machines are digging deep under Rosanna ... More Information

Progress on Sydney pipeline duplication

Bouygues Construction Australia and Rob Carr have launched a tunnel boring machine (TBM) on Sydney Water's Thornleigh pipeline duplication ... More Information

The latest plan to connect BART to downtown San Jose: One tunnel rather than two

When BART and Santa Clara Valley Transportation Authority first discussed plans to send trains rolling under downtown San Jose, transit officials contemplated a design with two tunnels ... More Information

Nashville Tesla tunnel: Here's when construction could start on the Music City Loop

Elon Musk's The Boring Company is currently in the design phase of constructing a tunnel connecting downtown Nashville to the Nashville ... More Information

World's longest underwater 'mega tunnel' to cost $46 billion but will halve 21-hour drive

Oddvar Kaarmo, the Rogfast project manager, cited additional motivation for the tunnel's construction: "The port at Mortavika is quite exposed and ... More Information