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EnigmaCG’s Tunnels 10x10x10

EnigmaCG’s Tunnels 10x10x10 The number 10, for EnigmaCG symbolises us being10 years old. For you it means the first 10 Delegates get a 10% discount for the 4th Annual Innovation in ... More Information

TELT - February

The excavation of the French Saint-Martin-la-Porte construction site (SMP4) with the Fedrica TBM exceeded 77% of the 9 km planned by the end of February. Also in February, the target of 30 m/day ... More Information

Crossrail update

Dynamic Testing has now commenced for the Crossrail Project. Testing is being carried out through the 21 km of new tunnels under central London. Over the next 6 months all the railway’s ... More Information

EUROCK 2020 – Call for papers

EUROCK 2020, is the international symposium of the ISRM, and will be taking place at the Clarion Hotel & Congress in Trondheim from June 15th to 19th 2020. The EUROCK 2020 Program Committee ... More Information

Breakthrough for Sofia Metro Extension Project

On the 27.02.2019 the Dogus Construction-Via Group Construct-Ultrastroy Joint Venture, completed the 5978 m tunnel using a TBM for the Sofia Metro Extension Project Line3, Lot 4 in Bulgaria. The ... More Information

iPS opens offices in Saudi Arabia and Bahrain

iPS – Powerful people has opened a local office in Al Khobar, Saudi Arabia and in Manama, Bahrain. iPS is constantly looking for new opportunities to grow and expand our current business ... More Information

ACCIONA Press Release

The high-speed rail project will connect the city of Oslo with the town of Ski via twin 19.5 km tunnels, the longest in Scandinavia. 28 February 2019- ACCIONA and Ghella have completed ... More Information

First TERRATEC TBM breaks through on Mumbai Metro

The first of seven TERRATEC TBMs being used on Mumbai Metro’s highly anticipated 33.5km underground Line 3 corridor, in India, breaks through on its inaugural drive. In mid-February, TERRATEC ... More Information

"Victory Boogie Woogie” tunnel completed

TBM Catherina-Amalia broke through on the 10th of January 2019 to complete the Victory Boogie Woogie tunnel in the Hague. The TBM was 80 metres long and 11 meters in diameter and bored a tunnel ... More Information

Bucharest M6 metro line

In February 2019 the European Commission (EC) endorsed the EUR 517 million funding dedicated to a section of the M6 metro line planned to link the Bucharest airport ( Henri Coanda in ... More Information

Double breakthrough for the Follo Line

On 26.02.2019 at 14h00 Bane NOR reached an important milestone with the final double breakthrough on the Follo Line project. Anna and Magda, the last two of the 4 Follo Line TBMs broke through at ... More Information

Robbins Webinar - Rapid Excavation: How to Speed up Your TBM Tunnel

In this complimentary 40-minute webinar, Robbins Engineering Director Brad Grothen and Elisa Comis, Associate at McMillen Jacobs, will discuss what rapid excavation really looks like in the field. ... More Information

M4 Metro Line breakthrough

On the 25.02.2019 the second of the two TBMs that are excavating the tunnels of the Western Section of the M4 in Milan reached Frattini Station. In only 22 days the TBM excavated approximately 570 ... More Information

Thames Tideway Super Sewer

Rachel, the TBM digging the west section of the Thames Tideway Tunnel, has been lowered 35 m down the shaft at Tideway's Carnwath Road site in Fulham. Over the coming months, she will begin her ... More Information

WTC 2019

THE WORLD TUNNEL CONGRESS 2019 IN NAPLES, ITALY FROM MAY 3RD TO MAY 9TH 2019. The whole underground industry will meet in Naples to study and discuss the state of art of tunnelling in connection ... More Information

6th Breakthrough on Mumbai Metro 3

On the 20.02.2019 Mumbai Metro 3 Colaba-Bandra-SEEPZ corridor achieved a 6th TBM breakthrough at Sahar Road Metro station, which is being built under Mumbai’s crucial Tansa water ... More Information

STUVA Expo 2019 - 150 exhibitors already registered!

STUVA Expo 2019 - one of the world's leading and largest events in the tunnel. The current demand to exhibit at STUVA Expo 2019 in Frankfurt am Main again indicates a strong participation. Already ... More Information

4th TBM for the Grand Paris Express

On the 7th of February the shield for the fourth TBM, which will drive 3.4 km of the Line 15 South for the Grand Paris Express was lowered into place. The TBM will begin its journey at what will ... More Information

Press release for BBT

Breakthrough in the Tulfes–Pfons section - On February 12th, 2019, the last breakthrough by blasting took place in the Tulfes-Pfons section. On that occasion, a small ceremony was held for ... More Information

TELT update

Paris, 19 February 2019 - The Board of Directors of TELT (the public promoter entrusted by Italy and France with the construction of the cross-border section of the Lyon-Turin railway line), ... More Information

Undersea tunnel planned for Cua Luc Bay in Vietnam

The People’s Committee in the northern province of Quang Ninh want to build an undersea tunnel at Cua Luc Bay. They have submitted the pre-feasibility report to Prime Minister Nguyen Xuan ... More Information

Robbins Crossover TBM completes Turkey’s Longest Water Tunnel

Excavation of Turkey’s longest water tunnel came to an end on December 18, 2018. To get there, a 5.56 m (18.2 ft) diameter Robbins Crossover (XRE) TBM and the contractor JV of Kolin/Limak had ... More Information

ITACET Training Courses during WTC2019

Two ITACET training sessions will be organized on the 3rd and 4th of May during WTC2019. • Tunnelling 4.0 information ... More Information

Struma Motorway - Lot 3.2.1 update

There have been ten offers for the design and construction of the 13.2 km Struma motorway in the 23.6 km section between Kresna and Krupnik, through the Kresna Gorge (Lot 3.2.1). The Lot 3.2.1 ... More Information

News from Australia’s longest road tunnel project

The last truck of spoil excavated from the NorthConnex tunnel was delivered to Hornsby Quarry on 25.01.2019. More than one million cubic metres of spoil was placed to partially fill the quarry, ... More Information

Bahrain Metro Project

Press release-Bahrain announces consultancy tenders for phase one of its metro project. Bahrain's Ministry of Transportation has launched tenders for the appointment of a transaction advisor and ... More Information

Press release - Fourth mega borer starts work on metro tunnels

The fourth of five mega tunnel boring machines (TBMs) has started tunnelling under Sydney. TBM Mabel has been launched at Chatswood to help deliver 31km of tunnels between Marrickville and ... More Information

5th TBM Breakthrough for Colaba-Bandra-SEEPZ

On the 13th of February 2019 a fifth TBM breakthrough was reached for Mumbai Metro 3 corridor at Chhatrapati Shivaji Maharaj International Airport (CSMIA) - T2 metro station. The TBM Wainganga 3, ... More Information

First TBM setting sail for Teesside (UK)

First TBM (length 225 m, weight 1,800 t), after final checks in Germany, is ready to be shipped to Wilton International, Redcar. The TBM will be reassembled and start tunnelling in the second ... More Information

Foundation stone laid for Sela tunnel project

On the 09.02.2019 Prime Minister Shri Narendra Modi laid the foundation stone for the Sela Tunnel Project in Arunachal Pradesh. The Project (BRO) will be completed in the next three years. The ... More Information

First TBM breakthrough on MRT SSP line

The first tunnel boring machine (TBM) breakthrough for the MRT Sungai Buloh-Serdang-Putrajaya (SSP) Line took place on 29 January 2019 at the Chan Sow Lin MRT Station construction site, marking a ... More Information

Forrestfield TBMs stopped due to mechanical issue

On Friday January 18, workers operating TBM Grace reported a potential mechanical issue with the machine. Since then tunnelling experts from SI-NRW and German TBM manufacturer Herrenknecht have been ... More Information

Femern A / S receives German approval.

On 06.02.2019 Femern A / S received the signed German regulatory approval for the Fehmarn tunnel in Kiel. The German approval concerns only the construction on the German side. Activities on ... More Information

Sydney Metro tunnel

On the 16.01.2019 Sydney Metro’s third mega TBM started digging the 6.2 km of tunnel from Chatswood to the edge of Sydney Harbour at Blues Point. This marks the next stage in delivering the ... More Information

MaMaJo TBM

The cutter head of the more than 400-foot long TBM MaMaJo was lowered nearly 200 feet down Monday, Feb. 4, 2019. The machine will drill a 5-mile tunnel designed to protect rivers from sewer overflow ... More Information

Twin Breakthrough on the Tel Aviv Light Rail

The TBMs Wonder Woman and Niki Haley breakthrough into the Ben Gurion station shaft. This completes 18.5 km of the 20km of tunnelling on the eastern section of the redline project in Tel Aviv. The ... More Information

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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

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