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A third TBM has been launched for the Sydney Metro - Western Sydney Airport

Last week a third TBM has been launched for the Sydney Metro - Western Sydney Airport project at Orchard Hills. The TBM is named after Catherine White, who has worked tirelessly to advocate ... More Information

Green light for major A303 upgrade past Stonehenge

Press release - The Government has given the formal green light by granting a Development Consent Order for the A303 Stonehenge scheme, which will help to unlock congestion and transform journeys ... More Information

Sydney Metro West - TBM tracker

The TBMs Daphne and Beatrice are driving the tunnels from The Bays to Sydney Olympic Park as part of Sydney Metro West: TBM Daphne already 327 m into its 11-km journey from The Bays to Sydney ... More Information

Sydney Metro - Western Sydney Airport tunnelling kicks off

On July 04, 2023 two 1,066-t TBMs Eileen and Peggy started their journeys at the future Airport Business Park Station, carving out the first 5.5-km sections of the twin metro tunnels towards the ... More Information

TBM to be used for the E6 Rentvanns/Clean water tunnel passed its Factory Acceptance Testing

It’s a successful FAT for the TBM - 200 m long, 300 t weight and with a 7.08 m diameter - that will drive the 11.3km Rentvanns/Clear Water tunnel between Trosterud and Huseby for the NVO (Ny ... More Information

ICT Bids for DPR of Assam’s Tunnel Project Under Brahmaputra

Intercontinental Consultants and Technocrats Pvt. Ltd. is the only bidder to prepare a Detailed Project Report (DPR) for the 15.6 km Gohpur – Numaligarh tunnel project in Assam. This ... More Information

CRCHI Mega Slurry TBM "Jinghua" Completes the West Line Tunnel of Beijing East Sixth Ring Road Reconstruction Project

On June 28th, the Beijing East Sixth Ring Road Reconstruction Project reported that its slurry TBM "Jinghua" had successfully made a breakthrough on the west line tunnel. This marks that the first ... More Information

Press release - The first of TELT's seven tunnel boring machines for the excavation of the Lyon-Turin base tunnel unveiled

The companies together with the public promoter witnessed the trials of the machine that will excavate the next 9 km beneath Mont Cenis. Schwanau (DE), 7 July 2023 - The first of the ... More Information

FAT complete for first Herrenknecht TBM for TELT

Today July 7th 2023 the FAT test for the first Telt TBM S-1355 built by Herrenknecht is complete. The 10.415m TBM will drive the 9km North tube from St Martin la PORTE to La Praz, parallel to ... More Information

Press release - Loo Gardens: Hidden subterranean garden revealed in London’s Super Sewer

Today, Tideway unveils Loo Gardens – a magical subterranean installation – nested within the Thames Tideway Tunnel, also known as London’s ‘super ... More Information

From Linate Airport to downtown Milan in 12 minutes on the new M4 Metro Line

From July 04, 2023 Milan’s Linate airport is now only 12 minutes away from the city centre following today’s inauguration of the San Babila Station, part of the new M4 metro line. The ... More Information

Mapei UTT - Massive contribution for waterproofing works on M4 metro line

58 years after inaugurating Milan’s first underground railway line, six stations opened their doors last year on 26th November to passengers travelling on the city’s new line, the fifth ... More Information

Gateway Development Commission announced RfQ for 2 major pieces of Hudson tunnel project

The Gateway Development Commission (GDC) announced that it has issued a Request for Qualifications (RFQ) for two major components of the Hudson Tunnel Project: Package EA1, the Hudson ... More Information

TERRATEC delivers a Rock Slurry TBM for Mumbai Sewage Disposal Project

TERRATEC is pleased to announce the delivery of a 3.85m Rock Slurry Machine for the Mumbai Sewer Disposal Project (MSDP) Stage-II - PST1 in Mumbai, India J Kumar and Michigan Engineers Private Ltd. ... More Information

Press release - Femern A/S plans to retain the tunnel element factory at Rodbyhavn

When the production of the tunnel elements for the Fehmarn Belt construction is completed, the element factory at Rodbyhavn on Lolland is scheduled to be demolished. Together with the working harbor ... More Information

Ship Canal Water Quality Project Reaches a Major Milestone!

The Ship Canal Water Quality Project has been under construction since late 2018. On June 15 at 10:18 am the 5.48 m (18-foot) diameter TBM MudHoney, completed tunneling all 4250,74 m (13,946 feet) ... More Information

Tunnel to €500MM billion: The largest Rogfast contract is out on the market - the 3rd contract on the world's longest and deepest undersea road tunnel

Press release - Work to build the world's longest and deepest undersea road tunnel is well under way from Bokn in the north to Randaberg in the south. Now the third major contract has been ... More Information

HS2 unveils huge tunnel boring machine ready to dig HS2’s Bromford Tunnel in the West Midlands

The first images have been revealed of the huge tunnel boring machine (TBM) that will dig HS2’s Bromford Tunnel, between Water Orton in North Warwickshire and Washwood Heath in ... More Information

STRATA PARTNERS WITH BINNI TO BRING PRODUCTIVITY SOFTWARE TO TUNNELLING MARKET

Press release - Strata Worldwide is excited to announce a new global partnership agreement with tunnelling software developer Binni. Under the terms of this partnership, Strata will bring ... More Information

WTC2023: the major tunnelling event concludes in Athens with three announcements

The World Tunnel Congress 2023 was successfully concluded in the city of Athens, Greece. The culmination of a week full of meetings, discussions and work on underground activities. Placed ... More Information

Tunnel excavation starts for the Perca Bypass in Italy

The Joint Venture Strabag AG, Alpenbau GmbH, Unionbau AG and Moser & Co have started work on the PERCA bypass after months of preparatory work during the winter. Excavation started at the east adit ... More Information

India – Second breakthrough at Agra Fort for Agra Metro Line 1

On 02/06/2023 Uttar Pradesh Metro Rail Corporation (UPMRC) and the consortium Afcons Infrastructure - SAM India celebrated the first tunnel breakthrough by the TBM EPB, named Ganga, for the Agra ... More Information

Updates on the North East Link in Melbourne

There was great progress digging out the area where the TBMs will be launched from near Lenola Street, Watsonia, for the North East Link – the missing link in Melbourne’s freeway ... More Information

The HRBT Expansion Project - TBM Mary launched

In April in the South Island launch shaft, the HRBT project team tested the electrical and hydraulic systems of the completely reconstructed TBM Mary. They performed final system tests before ... More Information

A fleet of JIMT/TERRATEC EPBMs gear up for Taiwan’s Taoyuan MRT Green Line

On behalf of its group company, JIMT, TERRATEC delivers the last two of four EPBMs that will be used by FUTSU-OBAYASHI-CEC JV (FOC JV) for the underground works on Taiwan Taoyuan Mass Rapid Transit ... More Information

Second tunnel excavated for Snowy 2.0

The Snowy 2.0 pumped-hydro mega project has achieved another important construction milestone, with a second tunnel excavation completed at Lobs Hole in the Snowy Mountains. The 2.93-km ... More Information

New breakthrough for TBM Houda

On the 29/05/2023 TBM 7, named Houda, broke through at the Becquerel manufact in Sevran, Lot 2, Line 16, as part of the Grand Paris Express route. The contractor consortium is NGE - BTP - Webuild. ... More Information

TBM Phyllis arrives at Broadway-City Hall

On 26/05/2023 Phyllis, the second of two massive TBMs that are excavating twin tunnels for the Broadway Subway Project, broke through to the future Broadway-City Hall Station, marking another ... More Information

Minneapolis Central City Tunnel: Project updates

The City of Minneapolis Public Works Department is constructing a new parallel storm tunnel, enlarging a portion of the existing storm tunnel, and constructing a new tunnel access in Downtown ... More Information

Press release - The Norwegian Coastal Administration continues work on the Stad ship tunnel

In early May the Norwegian government presented its proposal for a revised national budget for 2023. There it emerged that the cost estimates for the Stad ship tunnel have increased ... More Information

The American Shotcrete Association Courses

The American Shotcrete Association (www.shotcrete.org) provides ACI Shotcrete Nozzleman and/or Shotcrete Inspector Certifications worldwide! As the foremost resource for shotcrete application, ... More Information

Φ14.02 TBM 'New Crossing' Assists the Breakthrough of Shanghai Airport Link Line Tunnel Section Parallelling with High Speed Railway.

On April 12th, the 14.02-meter large diameter CRCHI TBM named 'New Crossing' successfully completed its Lot II tunnel section, by tunnelling the Shanghai airport link line for the first municipal ... More Information

BART Silicon Valley Phase II Project - Preparing for Early Construction Activities at Newhall Yard site

In preparation for construction of VTA’s BART Silicon Valley Phase II Extension Project, VTA’s tunnel and trackwork contractor, Kiewit, Shea, Traylor (KST) have developed a Construction ... More Information

Work underway on the High Speed Railway Bypass in Florence, Italy

On 15 May 2023 the official ceremony was held for the beginning of the construction of the Florence high-speed bypass which included the new high-speed station Firenze Belfiore. The ... More Information

West Gate Tunnel Project - the boring of the two twin tunnels is now complete

The West Gate Tunnel Project marked a major milestone with TBM Bella breaking through in South Kingsville, completing a 4km journey from the west side of the Maribyrnong River under Yarraville, to ... More Information

Update on Robbins Main Beam TBM for the Lower Meramec Phase 2 tunnel

The Robbins Main Beam TBM for the Lower Meramec Phase 2 tunnel packs a lot into a small 3.35 m diameter: 360-degree probe drilling, high-performance drive motors, 192 tons of machine. See the ... More Information

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Tunnelling News

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

RiverRenew Tunnel Project Nearing Completion

The RiverRenew Tunnel System Project, the largest infrastructure investment in Alexandria's history, is nearing completion. More Information

Sydney Metro West tunnels enter final stretch after big breakthrough

Two tunnel boring machines (TBMs) constructing the huge Sydney Metro West tunnels have made a smashing entrance 24 metres below the surface. More Information

Chennai Metro Rail launches first tunnel boring machine for underground tunnelling in Kolathur

Corridor 5 begins at Madhavaram Milk Colony and connects through Koyambedu, Porur, Alandur and other residential/commercial areas of the city to ... More Information

Element Six, Master Drilling Announce Tunnel Development Partnership

Element Six and Master Drilling will deliver a diamond-enabled solution designed to increase tunneling development speed, reducing costs and minimize the environmental impact of tunnel ... More Information

Gateway Project Tunnel Connecting NY and NJ Moves Forward

Five Gateway contracts have been awarded so far, including one on Predergast's first day for construction on the Manhattan side of the tunnel... More Information

HSR Xi'an – Yan'an: Completion of All Tunnels in the Project

The HSR Xi'an – Yan'an has completed the excavation of all tunnels, including the Tongchuan Tunnel. This is a key milestone in the construction ... More Information

Brazil's US$1bn underwater tunnel project making waves among potential bidders

The first underwater road tunnel project in Brazil is attracting interest from multiple potential bidders, an official familiar with the matter ... More Information

Element Six and Master Drilling Announce Strategic Partnership for Advanced Tunnel

Achieving high quality, nonexplosive tunnel construction with various aspects of value generated compared to traditional rock excavation methods is a ... More Information

Tutor Perini Wins a $1.2 Billion NYC Contract

A joint venture of Sylmar-based civil construction firm Tutor Perini Corp. and its subsidiary Frontier-Kemper Constructors has won a $1.18 billion contract to construct a pair of rail ... More Information

Milestone reached for $1.6b Auckland wastewater tunne

Watercare's Central Interceptor project has passed an historic milestone with the southern half of the 16.2 kilometre tunnel – Blockhouse Bay ... More Information

Elon Musk's 'Wormhole' Tunnel Promises To Carry 20,000 People Per Hour In Dubai

It’s been more than eight years since Elon Musk decided he was fed up with traffic and declared he’d start digging tunnels to revolutionize public transport across the United States. So ... More Information

First tender for Dubai’s $22bn tunnels due within days

Dubai Municipality is expected to tender the first two packages of the $22bn Dubai Strategic Sewerage Tunnels (DSST) project imminently... More Information

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