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

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 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!

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

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

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

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

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

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

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

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

Eurock 2024 - Call for Abstracts

Press Release - The call for abstracts for Eurock 2024 has opened! The European Rock Mechanics Symposium will be held in Alicante (Spain)  on July 15-19, 2024. Click here to submit your ... More Information

NASTT 2024 No-Dig Show Call for Abstracts

The North American Society for Trenchless Technology (NASTT) is accepting abstracts for its 2024 No-Dig Show to be held at the Rhode Island Convention Center in Providence (Rhode Island, USA)  ... More Information

India/Agra Metro - TBM Yamuna breaks through at Agra Fort station

India/Agra Metro - TBM Yamuna breaks through at Agra Fort station

Back in February the Robbins crew and contractor Afcons Infrastructure Ltd (Mumbai)/ Sam India Builtwell Pvt Ltd (Delhi) celebrated the site acceptance test for the first of two 6.65 m diameter and ... More Information

USA/Texas - Arrived on site the TBM EPB for the PL19TUN integrated pipeline project

Traylor-Sundt Construction Joint Venture continues to make progress on the Section 19 Long Tunnel Crossings (PL19TUN) integrated pipeline project in Henderson County, Texas. The project is spread ... More Information

TERRATEC EPB TBM is rocking at Mithi River

Press release - TERRATEC 3.14m diameter EPB TBM is making excellent progress for Mithi River Water Quality Improvement Project in Mumbai, India. TERRATEC 3.14m diameter Earth Pressure Balance ... More Information

CIFA takes its ninety-five years of history to Samoter

CIFA takes its ninety-five years of history to Samoter

Press release - CIFA will be at Samoter 2023 (area F stands 21-24) while celebrating its 95th anniversary. Since its foundation, CIFA has grown alongside the changes all around the world, ... More Information

The World's Largest - 52 TBMs Group in Guangzhou Metro Construction

The construction project of Guangzhou Metro Line 18/22, as the largest metro investment in China, has attracted much attention. CRCHI has tailored 52 φ8.8m EPB/Slurry TBMs for the project, ... More Information

WTC 2023 - Digital presentation information

WTC 2023 - Digital presentation information

On 25/04/2023 the digital presentation to showcase the World Tunnel Congress 2023 was held online. The actual congress will be between the 12-18 May at the Megaron Athens International Conference ... More Information

STUVA-Expo 2023 - More than 150 exhibitors already registered

STUVA Expo will take place in Munich on the 8th  and 9th of November 2023 alongside the  STUVA Conference. Already more than 150 companies have already booked their trade fair ... More Information

HS2’s multi-billion-pound boost for UK businesses

HS2’s construction is helping to keep over 2,000 UK businesses afloat as they continue to tackle difficult economic conditions. Latest figures from HS2 show that tier two subcontracts ... More Information

€3 Billion in news tenders on the way for the new stage of the Lyon-Turin project

€3 Billion in news tenders on the way for the new stage of the Lyon-Turin project

PRESS RELEASE - New tenders, with an estimated value of EUR3 billion, are on the way to build the Mont Cenis base tunnel which is under construction beneath the Alps between France and Italy. More ... More Information

First Tunnel Breakthrough achieved in Delhi

First Tunnel Breakthrough achieved in Delhi

At the beginning of April NCRTC achieved its first tunnel breakthrough for the Delhi section of the Delhi - Ghaziabad - Meerut RRTS corridor. The TBM Sudarshan 4.1 made the breakthrough from the ... More Information

Tunnelling News

Webuild at work on the massive railway tunnel at the heart of the Northeast Corridor

After years of planning, the Hudson Tunnel Project (HTP) to improve the railway connection between New York and New Jersey has begun. The first drilling contract for the tunnels, part of ... More Information

TfL Awards Contract for Elephant & Castle Tube Station Upgrade

Transport for London (TfL) has selected Dragados UK to design and construct new passenger tunnels at Elephant & Castle Tube station. These tunnels will connect the new station box to the ... More Information

More than 10 years of transformational tunnelling

More than 23,000 workers, 11 tunnel boring machines (TBMs) and an army of roadheaders and excavators are what it has taken for CPB Contractors to construct more than 80 kilometres of ... More Information

Ivy – the Newest Member of the DEME Marine Fleet on the Fehmarnbelt Tunnel Project

DEME have introduced “Ivy”, the newest member of their marine fleet for the Fehmarnbelt tunnel project! Specifically designed for the transport and immersion of the project’s 89 massive ... More Information

Double down: SA’s groundbreaking purchase

Up to twice the number of Tunnel Boring Machines previously anticipated will be delivered to South Australia for the landmark River Torrens to Darlington (T2D) Project, giving hope the ... More Information

CRL Tunnel Vision September 2024

This month in Tunnel Vision we’re celebrating Te Wiki o te Reo Māori! It’s been a busy month on the CRL fitting out the stations with all the technical systems needed to run and revealing ... More Information

Siddhababa tunnel achieves key breakthroughs.

The first and third cross passages of the Siddhababa Tunnel Project on the Siddhartha Highway have achieved breakthroughs. Construction of two of ... More Information

Ontario Exploring Feasibility of New Highway 401 Tunnel

Today, the Ontario government launched the technical evaluation for the construction of a new driver and transit tunnel expressway under ... More Information

National Highways unveils modernisation plans to upgrade A38 Saltash Tunnel

National Highways will be embarking on the second phase of a major modernisation upgrade of the A38 Saltash Tunnel later this autumn... More Information

Strong sustainability score for North East Link

Three mini tunnel boring machines (TBMs) moved 1.8km of the Yarra East Main Sewer to the east of Bulleen Road, beneath homes, schools and sports ... More Information

Tunneling through the Carpathians

AKTOR's innovative use of Tunnel Boring Machines (TBMs) represents a leap forward in engineering and construction technology in the region. Here ... More Information

Suburban Rail Loop to repurpose enormous Sydney Metro machines

The Victorian government's Suburban Rail Loop (SRL) is making major strides, with the first four tunnel boring machines (TBMs) now ordered and set to ... More Information

The incredible tunnel that cost £108m to build is the longest on an entire continen

Colombia's mega project will see the country honoured as having the longest tunnel in South America when completed, benefitting locals and ... More Information

Panama Excavates First Underwater Transport Tunnel

Panamanian President José Raúl Mulino this week officially began construction and lining work on the first underwater transport tunnel that will ... More Information

Ningbo-Zhoushan High-Speed Railway, China

The tunnelling operation uses two tunnel boring machines (TBMs) named Dinghai and Yongzhou. The two are anticipated to converge midway beneath the ... More Information

Boring on metro tunnel below Adyar river complete

The tunnel boring machines - nicknamed Kaveri and Adyar - were engaged for the work. Kaveri has successfully completed the tunnelling drive, while ... More Information

DMRC completes first twin tunnels

DMRC completes first twin tunnels breakthrough under Phase-IV construction tunnels breakthrough under Phase-IV construction. The two tunnel boring machines (TBMs), Bhoomi and Srishti, ... More Information

BART celebrates 50 years with completion of Transbay Tube retrofit

BART celebrates 50 years with completion of Transbay Tube retrofit. Tunnel project ends agency's $1.5B earthquake safety effort. Avatar photo by Bay ... More Information

US$12.2 billion for new Indian tunnels

A US$12.2 billion budget will boost tunnel construction in India. The plans from the Ministry of Road Transport & Highways calls for 74 new tunnels to be built. These will measure 273km ... More Information

Hong Kong West Drainage Tunnel

Arup is the consultant to the Hong Kong Drainage Services Department in carrying out the design, pre-qualification, tender and construction ... More Information

Lane JV Wins Tunnel Package for Hudson River Tunnel Project Valued at $466 Million

CHARLOTTE, NC – The Lane Construction Corporation, the U.S. subsidiary of Webuild Group, has won a $466 million contract, of which Lane has a 35% share, to construct the Palisades Tunnel ... More Information

World’s biggest developers eye bids for Dublin MetroLink contracts

A consortium made up of some of the biggest infrastructure developers in the world has formed in preparation to bid for contracts to build and operate the long awaited MetroLink rail line ... More Information

The Boring Company's Prufrock-3 completes Las Vegas tunnel

The tunneling startup did not share the length of the tunnel that ... construction projects with speed and automation. This is highlighted by ... More Information

Coastal road phase 2: Mumbai's second twin tunnel to pass under rivers, mangroves

As part of phase 2 of Mumbai's Coastal Road Project, a 22.93 km high-speed corridor linking Versova with Dahisar will be created. More Information

Rock tunnel for £1.7bn Norway road scheme takes shape

The consortium responsible for the construction of a new road system in Norway has excavated approximately 500m of a new 1.9km long tunnel... More Information

Tunnel boring machine reaches halfway point on HS2's route into Birmingham

Balfour Beatty VINCI is celebrating a key milestone in the construction of HS2's gateway to Birmingham. The joint venture today (Thursday 29 ... More Information

Gateway Development Commission secures $3.8B in funding for Hudson Rail Tunnel project

The money is the final funding piece for the $16 billion project to build a new rail tunnel that will carry Amtrak and New Jersey Transit trains under ... More Information

TBM Zelda starts on 6.5km Melbourne tunnel

The 4,000t machine is the first of two TBMs that will excavated a section of the project's twin road tunnels in the city's suburbs. Named after local ... More Information

Tunnels of the Future: Key Innovations and Projects at InnoTrans 2024

BBT SE, responsible for the construction of the Brenner Base Tunnel, will provide details on its ambitious project. This 55-kilometer tunnel is ... More Information

Hudson tunnel contract awarded

Webuild's Lane, ACS firms win $466 million Hudson Tunnel contract tunnels as part of the Hudson Tunnel Project in the New York City area, the Italian construction group said on Thursday. More Information

All women crew to build SRL tunnels

Crews are moving underground services and building tunnel boring machine launch sites, preparing sites for major construction. Suburban .. More Information

Officials break ground on one of world's longest underwater rail tunnels connecting 2 major cities

This tunneling project, which is part of the larger Mumbai-Ahmedabad HSR corridor spanning 315.66 miles, is part of an effort to reduce the ... More Information

Severn Trent unveils huge 25m deep new storm tank to ease flooding and prevent spills

Four tunnel boring machines were used to install the new sewer pipes under the town to minimise disruption, as well as lining 1km of old brick ... More Information

Here's how downtown Toronto's first subway tunnel in over 60 years will be dug

Crews are now drilling deep into the soil around the launch shaft ... Once piling is complete and this massive pit is dug, tunnel boring machines ... More Information

LTA awards S$199M contract for Maju-Clementi rail tunnels and S$400M for Cross Island

Construction will use a slurry tunnel-boring machine due to the hard sedimentary rock in the area. LTA has assured that rigorous safety measures ... More Information

Northside Interceptor Tunnel named after local environmental advocate

The machine will be named “Elaine” after environmental advocate Elaine Marsh. A tunnel boring machine is used to excavate tunnels through hard ... More Information

Tunnelling works complete on NI Water's £7.8m wastewater upgrade at Meadow Lane

The 25-tonne Tunnel Boring Machine (TBM) broke through to the new stormwater storage tank to complete this significant element of work. The new ... More Information

The longest railway tunnels in the world

The three rail tunnels have a diameter of 7.6 m, while the service tunnel has a diameter of 4.8 m. A total of 11 tunnel boring machines (TBM) dug the ... More Information

Reusing dirt and rock as we build the North East Link tunnels

As the TBMs dig underground, excavated dirt and rock is moved via an enclosed conveyor system that crosses high ... More Information