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6th edition of the ITA Tunnelling and Underground Space Awards

On the 3-4 December 2020 you will be able to attend the presentations of the finalists and the announcement of the winners. This year the 6th edition of the ITA Tunnelling Awards will move into a ... More Information

Press release - Works to kick off on the Suburban Rail Loop

The Andrews Labor Government is delivering the Suburban Rail Loop, unveiling a huge Budget boost that will pave the way for the biggest rail project ever built in Victoria – and help drive our ... More Information

TBM Meg is on her way to State Library Station

Last week TBM Meg was relaunched from the Metro Tunnel's Parkville Station site towards the CBD, to complete the second tunnel. It follows the relaunch of TBM Joan, which began a parallel 1 km ... More Information

Federal Council approves the Rhine tunnel project in Basel

At its meeting on 11 November 2020, the Federal Council approved the general project for the Basel Rhine tunnel. The new tunnel will relieve the frequently congested A2/A3 between the Hagnau and ... More Information

Insight into finalist for ITA ‘Overcoming the Challenge’ category

The Mexico City-Toluca interurban rail line project has been shortlisted as a finalist for the ITA tunnelling awards in the category “Overcoming the Challenge’ - High performance ... More Information

Highways England -Lower Thames Crossing Update

Highways England is inviting tenders to build the longest road tunnel in Britain that sits at the heart of the proposed Lower Thames Crossing, the most ambitious road project for a generation. ... More Information

Snowy 2.0: first TBM components arrive at site of Australia’s biggest Hydropower Project

Throughout the beginning November a huge 750-t crane has been lowering into place the giant front shield parts of the first of the three Snowy 2.0 TBMs. Snowy 2.0 is the largest renewable energy ... More Information

BBT - First breakthrough under the Isarco river

On the 6th of November 2020 an excavator with hydraulic hammer broke through the first 59 m tunnel under the Isarco river. The ground in the most southern construction lot of the ... More Information

Rijnland Route Updates

On 01/09/20 after 3.5 months of excavation and a month ahead of schedule, the TBM called Gaia completed the second tunnel tube for the Rijnland Route. The TBM covered a distance of 2,250 m, from ... More Information

New milestones for Tideway

Connection Tunnel Excavated at Cremorne Wharf - Cremorne Wharf Depot became the latest site in the central section of the Tideway project to connect to the main 'super sewer' tunnel as ... More Information

COMPLIMENTARY ROBBINS WEBINAR - TUNNELLING PAST THE VOIDS

France's recently completed Galerie des Janots was the scene of some unforeseen challenges. During excavation with a Main Beam TBM, crews encountered a stalagmite studded 8,000 cubic meter ... More Information

Sotecnisol Press Release - Tunnel Waterproofing

For over the last 50 years, Sotecnisol led the waterproofing market in Portugal and has grown a strong presence in other countries, namely in tunnel drainage and water proofing with PVC ... More Information

Virginia Launched Largest Infrastructure Project in Commonwealth’s History

On 29/10/20 Governor Ralph Northam joined the Virginia Department of Transportation (VDOT) and state and local leaders to break ground on the Hampton Roads Bridge-Tunnel (HRBT) Expansion Project. ... More Information

HS2 launches first virtual ‘Meet the Contractor’ event

Registrations now open for over 1,000 one-to-one meetings with HS2 contractors. HS2 Ltd’s third annual ‘Meet the Contractor’ event takes place between 23rd-26th November ... More Information

TUNNELMESH – 100% WIRELESS CONNECTIVITY FOR TUNNELS

A modern, safe, resilient, and reliable communication system is a key component of any confined space, mine, or tunnel access safety system. Tunnel workers rely on regular contact with their ... More Information

Results of the Purple Line Extension Section 3 TBM art and naming contest

Metro has selected the winners of its art and naming contest for its third and final set of tunnel boring machines that will dig twin Purple Line Extension subway tunnels between Westwood and ... More Information

Melbourne Metro Tunnel Project Updates

TBM Joan - On the 20/10/20 TBM Joan began its 1 km journey from the Parkville Station site to the new State Library Station site of the Melbourne metro. Named after Victoria’s ... More Information

BBT - Isarco river underpass tunnelling begins

After months of preparation on the Isarco River Underpass construction site, the excavation of the first few metres of the tunnel has begun. The excavation works in this southernmost ... More Information

Designs for HS2 Canterbury Works vent shaft and headhouse revealed

On 27/10/2020 HS2 revealed updated designs for the Canterbury Works vent shaft headhouse and compound, in South Kilburn, London. It will be one of four structures that will be built to provide ... More Information

Super sewer drives its way through London passing underneath 21 bridges

Super sewer drives its way through London passing underneath 21 bridges A giant tunnel has this week been dug under the final bridge in London before completion. On 26/10/2020 ... More Information

Modified TBM to construct the diversion tunnel for the Mularroya dam

In March 2008 the ACCIONA and Sacyr consortium were awarded the contract to design and construct the Mularroya dam in La Almunia de Doña Godina, Chodes and Ricla (Zaragoza). The contract ... More Information

Factory Acceptance Testing for the Ship Canal Water Quality Tunnel Storage Project’s TBM

A TBM EPB-Shield (diameter 6.57 m) has been assembled for the Seattle Public Utilities and King County Wastewater Treatment Division's Ship Canal Water Quality Tunnel Storage Project. The TBM is ... More Information

ITA Tunnelling Awards 6th edition - List of finalists

Online Conference and Ceremony - The international competition launched in 2015 by International Tunnelling and Underground Association (ITA) returns in 2020 for a promising 6th edition. For 5 ... More Information

HAGERBACH NXT 50 WEBINAR – Moving beyond the obvious

Taking part in the HAGERBACH NXT 50 series of webinars will broaden your understanding on the role of underground spaces in helping humankind sustainably develop on this planet and eventually future ... More Information

Clearwater Project’s TBM arrives

On the 22/10/2020 the Mixshield TBM (diameter 6.54 m) for the Los Angeles Outfall Tunnel project arrived at its destination. The Los Angeles County Sanitation Districts invited Los ... More Information

City Rail Link’s TBM arrives in Auckland

Last week a TBM, named Dame Whina Cooper in honour of the Maori rights champion, arrived in Auckland after a voyage of more than 9000 km from its factory in southern China. The ... More Information

InnoTrans postponed until 2022

Due to the constantly changing situation regarding the coronavirus pandemic and the resultant lack of planning certainty, InnoTrans is to be postponed until 2022. After consulting with international ... More Information

Cross River Rail Update

Work is progressing well, across Cross River Rail’s eight worksites in Brisbane. The project will help transform South East Queensland by unlocking the bottleneck at the core of ... More Information

Sydney’s newest motorway, NorthConnex, will be open to traffic on Saturday 31st October

NorthConnex, the dual 9 km tunnel which will link the M1 Pacific Motorway at Wahroonga to the Hills M2 Motorway at West Pennant Hills, will open to traffic on the 31/10/2020, taking ... More Information

MMRC completes 33rd breakthrough from Churchgate to Hutatma Chowk

On 16/10/2020 MMRC achieved a 33rd breakthrough with the 653-m long tunnel from Churchgate to Hutatma Chowk station for the metro Line 3 in Mumbai. It is the first TBM breakthrough ... More Information

Agreement reached on the Somport railway tunnel

Mitma (Ministerio de Transportes, Movilidad y Agenda Urbana) and Nueva Aquitania signed an agreement for the contracting and execution of a study to look at the re-opening of the Somport ... More Information

Robbins Main Beam carves out a win in Louisville

Tried and Tested TBM and conveyor complete Ohio River Tunnel - A 6.5 km (4 mi) long tunnel for wastewater storage below Louisville, Kentucky, USA has more to it than meets the eye. ... More Information

Press release - HS2 awards contract for first two London tunnelling machines

Press release - HS2 awards contract for first two London tunnelling machines This month the contract for the first two giant tunnel boring machines for London’s HS2 tunnels was signed with ... More Information

Atal Tunnel Inaugurated in Rohtang, Himachal Pradesh

On 03/10/2020 Prime Minister Shri Narendra Modi inaugurated the 9.02 km Atal tunnel in Rohtang, in the Pir Panjal range of Himalayas at an altitude of 3000 m (10,000 Feet) from the Mean Sea ... More Information

Sarwat Mountain tunnel completed

On 16/09/2020 the Saudi Arabia’s Saline Water Conversion Corporation (SWCC) completed the longest water pipeline tunnel project in the world. Its length is 12.445 km driven with a TBM, ... More Information

Light at the end of the tunnel: Balfour Beatty breaks through its final onshore tunnel at Hinkley Point C

Balfour Beatty, alongside EDF, has celebrated a major milestone on its Hinkley Point C tunnelling and marine project, as the team successfully completed the breakthrough of the longest and final ... More Information

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Tunnelling News

Scarborough Subway Extension tunnelling progresses following maintenance stop

The remaining portion of the tunnel will be delivered by Scarborough Transit Connect, the development partner for the project's stations, rail and ... More Information

World's Deepest Underwater Tunnel to Have Cars Drive 16 Miles Under the Sea

Norway is building what is to become the longest and deepest road tunnel under the sea. The Rogfast project, measuring 26.7 kilometers (about 16.5 ... More Information

Tunnelling underway for National Grid’s 3.4km power tunnel in Snowdonia

The tunnel boring machine (TBM) Buddug has commenced excavation of National Grid’s 3.4km power tunnel in Wales’ Eryri National Park, otherwise known as Snowdonia. The tunnel is part of ... More Information

CPK signs contract for construction of HSR tunnel in Łódź

The contract for the construction of a 4.6 km long, 14-metre wide High-Speed Rail (HSR) tunnel will be carried out by construction company PORR. The project is valued at approximately PLN ... More Information

Underneath the busy Baltimore streets, the Howard Street Tunnel gets its makeover

A squad of construction workers descend daily under the streets of Baltimore. They labour deep down, in the semi-secret and highly restricted ... More Information

London Power Tunnels Milestone

We're thrilled to announce that our second 2.5km high-voltage circuit between Hurst and Crayford is now live. This £1 billion project is rewiring London, strengthening energy supply, and ... More Information

U.S. Tunneling Professionals Convene in Dallas at RETC 2025

The event drew approximately 1,400 people. Another highlight of the conference was the presentation of the now annual Underground Construction ... More Information

Construction of NY and NJ GatewayTunnel hits halfway mark

People are looking down at the ground from the Highline on Manhattan's West Side. Some parts of the new train tunnel structure ... More Information

Silicon Valley BART extension seeks new tunneling contractor

Silicon Valley BART extension seeks new tunneling contractor for construction. Maguire told reporters during a briefing Monday morning. He noted that VTA is trying to fill a $1.2 billion ... More Information

Tunneling In The Digital Age: Rethinking Subsurface Infrastructure

But successful construction is just the start of the journey. Underground infrastructure is a long-term investment—just look at the London Underground ... More Information

Sydney Moves Forward with Final Tunnelling for Harbour Project

Sydney prepares for the arrival of the largest TBMs in the Southern Hemisphere as the Western Harbour Tunnel project enters its final tunnelling ... More Information

Metrolinx seeks help to name 2 of its massive Ontario Line tunnel digging machines

Metrolinx is now accepting names for two of its giant tunnel boring machines (TBMs), which will be used for twin 16-metre-deep and six-kilometre-long ... More Information

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

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