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Second TBM reaches Gelsomini station in Milan

On the 23rd of January 2019 a second TBM broke through in to what will be the future Gelsomini station. This is one of the TBMs driving tunnels in the West section from San Cristoforo to Solari ... More Information

Harding Prize – deadline extended

The deadline for submission of entries for the Harding Prize is usually 31 January, but for 2019 only it has been extended to 14 February. The Harding Prize is awarded each year in April. Entry is ... More Information

iPS form strategic partnership with T&M specialists

Following negotiations in Dubai during January 2019 the Tunnelling and Civil Construction division of iPS have decided to enter into a partnership with the Hong Kong based Tunnelling company ... More Information

Innovation in Tunnels: Construction, Maintenance, Safety and Fire Protection

This conference will be held between the 11th and 12th April 2019 in Amsterdam, Netherlands Partial Topics Covered ... More Information

ATS QLD – Austroads Taskforce Update – 14 February 2019

The Austroads Road Tunnels Task Force coordinates updates to the Austroads Guide to Road Tunnels, and coordinates the development of technical research projects considering all aspects of road ... More Information

Purple Line Extension (USA) announces TBM naming and are contest

The Purple Line Extension Transit Project in Los Angeles is adding two more TBMs to its fleet. These TBMs will be part of section 2 and will join Elsie and Soyeon which are currently digging the ... More Information

WTC 2019 - Early registration

Don't miss out the next WTC2019, submit your registration before 31.01.2019 and take advantage of substantial discounts! You will be able to attend conferences and workshops, discover the latest ... More Information

Norway's $47BN Coastal Highway with Undersea Tunnels | Europe's Largest MegaProject

Information provided by Skyscrapers & MegaProjects https://www.youtube.com/watch?v=sWr5I-hClQU The infrastructure plans will cost Norway no less than $47 billion and would ... More Information

The legend in ventilation systems

Zitron is a leader in the manufacture of ventilation systems for mining, public works and the naval sector; transport, drilling and lifting equipment. Zitron, located in large manufacturing ... More Information

Cooling the Tube – on Ice till 2030?

This article has been submitted by Calvin R Barrows it is a different way of looking at the causes of the heat build up in the summer on the London underground. Please read through the article and ... More Information

All Around Issue #10 — Together in every dimension

Find out how mechanized tunnelling from Herrenknecht shapes the world of tomorrow. Has the future at Herrenknecht ever been as exciting as it is today? I’m sure we will not run out of stuff ... More Information

First Melbourne Metro Tunnel TBM is due to arrive shortly

The first of 4 TBMs that will build the Melbourne Metro Tunnel is on its way to its launch site in North Melbourne. The TBMs are being engineered in Germany and built in China, before they are ... More Information

MineARC - Designing Refuge Chambers for Tunnelling

Underground construction is high risk; the extensive length and size of a tunnel build through unknown rock strata poses the continual threat of fire or rock fall. To manage this risk ... More Information

GETECH srl Centrifugal Plants

GETECH srl can count on consolidated experience, thanks to 30 years of research, development and application in the field of solid/liquid separation with Centrifugal Plant up to more than 150mc/h. ... More Information

26th Annual Microtunneling Short Course Organizers Pay It Forward to U.S. Veterans

A cause near and dear to the hearts of the 26th Annual Microtunneling Short Course organizers is helping the men and women who have served in the United States military successfully return to ... More Information

WTC 2019 information video

Do you want to find out what will be presented at the World Tunnelling Conference 2019? Do you want to know which topics will be the focus of the AAA sessions? Do you want to see an example of an ... More Information

PPS-Poltinger Precision Systems celebrates twenty years trading with the release of a new generation of Guidance Platform

Just in time for its 20th anniversary PPS has announced the newly developed guidance system platform PPS-UNP (Universal Navigation Platform). The UNP can be used for all types of underground ... More Information

West Gate Tunnel - Massive TBM arrives in Melbourne

Bella, the first TBM that will build the West Gate Tunnel, has arrived in Melbourne. The TBM is 90 m long, 15.6 m high and weighs 4,000 t. The hundreds of pieces that make up Bella will be ... More Information

Looking for TBM Fitters and TBM Electricians

At present IPS are recruiting TBM Fitters and TBM Electricians for a project in the UK. It will be a long term contract on this major infrastructure project. Please contact Sam Merrick on ... More Information

The Trans Adriatic Pipeline tunnel

Overnight a TBM made by Herrenknecht (mod.Avnd2000Ab) started its journey by road toward Melendugno (Le) a tunnelling site in Puglia, Italy. It will be used to drill the Trans Adriatic ... More Information

Lucknow Metro testing commenced

Lucknow Metro Rail Corporation (LMRC) has successfully commenced signalling & integrated testing trials for the whole North-South Corridor (Phase-1A). The integrated testing and trials are for ... More Information

Tunnel and Underground Structures Committee Meeting

Please consider joining us at the Tunnel and Underground Structures Committee during the annual meeting of the Transportation Research Board in Washington DC. The committee will meet on January 15, ... More Information

Underground Construction Prague 2019 - Early registration deadline

The early registration deadline for the Underground Construction Prague will be on the 31st of January 2019. With early registration the attendance fees are less so select your registration fee, pay ... More Information

British Columbia Trenchless Technology Road Show

The Trenchless Technology Road Show heads to western Canada to provide a platform to educate municipal, engineering and contractor personnel on the benefits of trenchless methods. The ... More Information

Gerede Water Transmission Tunnel breakthrough

The Gerede Water Transmission Tunnel in central Turkey has been designated a national priority due to chronic drought conditions in the capital Ankara. The water supply line is 31.6 km long and ... More Information

Breakthrough for Robbins at a 45-degree angle

The new year is off to a great start for Robbins their Double Shield Rockhead, launched in July 2018 has broken through. The TBM broke through on January 1st 2019 after boring the 640m-long ... More Information

Track the Melbourne Metro Tunnel TBMs

Four giant Tunnel Boring Machines (TBMs) are needed to dig the Metro Tunnel. Lowered into the ground at North Melbourne and St Kilda Road in pieces and then assembled, they operate as moving ... More Information

New Rail Access to Terminal T1 Barcelona-El Prat airport completed

On the 19.12.2018 the largest TBM currently working in Spain ended the excavation of the 3048 m tunnel of the new railway to Terminal T1 of the Barcelona-El Prat airport. The first phase of the ... More Information

Ott GmbH & Co KG acquired by Datwyler Sealing Solutions Germany GmbH & Co KG

Press release - As of the 21st December 2018, the Germany-based company Ott GmbH & Co KG, acquired by Datwyler Holding Inc. in September 2016, officially changed its name to Datwyler ... More Information

Microtunneling Short Course 2019

For more than 25 years, the Microtunneling Short Course has trained over 3,500 professionals, ranging from contractors and engineers to owner agency representatives. The three-day intensive course ... More Information

MineARC - Emergency Communication Systems in Tunnelling

Good communication systems are fundamental to all aspects of a tunnelling project, including risk management and emergency response. Emergency communication systems in tunnelling are used to ... More Information

A record number of responses for Thames Crossing consultation

The Lower Thames Crossing online consultation, which closed on the 20.12.2018, has seen over 26,000 replies. The consultation is arguably the most significant that has ever been held into a UK ... More Information

TERRATEC EPBMs prepped for new Istanbul metro line

The Gulermak, Nurol & Makyol joint venture conduct TBM testing on-site for the new Ümraniye Ataşehir-Göztepe Metro line, the latest addition to Istanbul’s transportation ... More Information

Fehmarnbelt tunnel update

On the 28.12.2018 the Ministry of Transport of Schleswig-Holstein announced that the planned approval for the Fehmarnbelt tunnel is ready to be signed. In accordance with German regulations, Femern ... More Information

Moscow Metro Line Works

Moscow in 2018 set a record, commissioning 17 underground metro stations, building 33 km of tracks and 3 train maintenance facilities: on 22.03.2018 the 3 new stations (Okruzhnaya, Verkhnye ... More Information

Second breakthrough for Mumbai Metro 3 line

On the 26.12.2018 the Mumbai Metro-3 (Colabata-Bandra-Seepz) Wainganga 2 TBM broke through at the future Seepz station in Andheri. The TBM was originally launched on the 23.08.2018 from Sariput ... 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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