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Numerical standards and certifications to increase efficiency in the development of underground infrastructure projects – BIM for tunnelling

Numerical standards and certifications to increase efficiency in the development of underground infrastructure projects – BIM for tunnelling – written by Michel Rives from ... More Information

TERRATEC EPBMs are ready for India's first Regional Rapid Transit System - Delhi-Meerut Project

TERRATEC is pleased to announce the delivery of three (3) new 7.51m diameter Earth Pressure Balance Tunnel Boring Machines (EPBMs) for India’s first Regional Rapid Transit System Project to ... More Information

Grand Paris Express - December updates

Line 15 South - The excavation of this line involved 10 TBMs, which installed 128,000 segments and 18,500 rings. In 2019 TBM Steffie-Orbival was the first machine to complete its section, followed ... More Information

Tunnelbuilder welcomes 4STREETS

4STREETS s.r.l. is a young company founded in the spring of 2016 by motivated and experienced entrepreneurs who, combining the skills they had acquired in managing numerous construction sites in the ... More Information

Breakthrough - Genoa Junction One project

On 21/12/21 the excavation activities for the new San Tomaso tunnel, a strategic part of the Terzo Valico dei Giovi – Genoa Junction One Project, and the first of the Genoa railway junction, ... More Information

HS2’s London Tunnels programme nears launch date as first TBM’s arrive

Press release - The start of tunnelling for HS2 in London is set to begin in 2022 and progress has been made with the delivery of two giant Earth Pressure Balance Tunnel Boring Machines (TBMs) to ... More Information

The UK’s largest Tunnel Boring Machine passes factory acceptance test and begins journey to the Silvertown Tunnel project

PRESS RELEASE - The Riverlinx Construction Joint Venture (BAM Nuttall, Ferrovial Construction and SK Ecoplant) delivering the design and build of the Silvertown Tunnel on behalf of Transport for ... More Information

Cross River Rail – Last breakthrough for the project

Today TBM Merle broke through at the Northern Portal site, bringing the Cross River Rail project’s year of tunnelling to an end, click here for the video. The Cross River Rail's twin tunnels ... More Information

Construction of Sornaistentunnel approved

Helsinki City Council have approved the Sornaistentunnel project between the Sornainen coastal road and the Hermann coastal road and its implementation in stages as follows: In the ... More Information

Clearwater Project Update

In October TBM Rachel began boring, stopping every 1.5 m (5 feet) to construct a ring of the tunnel wall. About 106 m (350 feet) of tunnel has been completed so far, and the pace is expected to pick ... More Information

The HRBT Expansion Project TBM Arrival Ceremony

Virginia Department of Transportation and Hampton Roads Connector Partners (HRCP) will celebrate the arrival of TBM Mary at The Port of Virginia Portsmouth Marine Terminal on the 14th December 2021. ... More Information

New section of Moscow’s BCL metro opened

Russian President Vladimir Putin and Moscow Mayor Sergei Sobyanin opened a new almost 24 km section of the BCL including 10 stations (Terekhovo , Kuntsevskaya , Davydkovo, Aminevskaya , Michurinsky ... More Information

Snowy 2.0 Ramps Up with commissioning of Second TBM

This month Snowy Hydro achieved another exciting milestone, with the commissioning of Kirsten, the second of three TBMs that will excavate more than 27km of tunnels for Snowy 2.0 pumped-storage ... More Information

The feasibility study for the Cluj-Napoca metro has been approved

The Cluj-Napoca City Council have approved the feasibility study (technical documentation and technical-economic indicators), drafted by the Joint Venture SYSTRA, SWS Engineering and Metrans ... More Information

7th Edition of the ITA Tunnelling awards – The winners 2021

Since 2015, the international competition "the ITA Tunnelling and Underground Space Awards" seeks and rewards the most ground-breaking innovation and outstanding projects in tunnelling and ... More Information

Super sewer tunnel connects at Blackfriars site

The breaking out of the concrete plugs either side of the shaft at Blackfriars Bridge Foreshore signals the next step in secondary lining the main ‘super sewer’ tunnel. All sections of ... More Information

HS2 Launches First Midlands Giant Tunnelling Machine

Press release - Yesterday [2 December] HS2 CEO Mark Thurston pushed the button to start HS2’s tunnel boring machine on its one-mile journey under Long Itchington Wood in Warwickshire, marking ... More Information

Work begins on the German side of the Fehmarnbelt Tunnel Project

On the 29/11/2021 at 11h00a at the Fehmarnbelt tunnel construction site in Puttgarden, Danish Transport minister Benny Engelbrecht, together with Enak Ferlemann from the German Federal Government, ... More Information

Terzo Valico dei Giovi-Nodo di Genova project

The Terzo Valico dei Giovi-Nodo di Genova project has reached another milestone only 6 months after a breakthrough along the planned Valico Tunnel, which will become the longest railway tunnel in ... More Information

Hudson Tunnel Project - Update

Army Corps of Engineers Permit – The Gateway Development Commission has announced that the last major step in the federal regulatory process for the Hudson Tunnel Project has been completed ... More Information

TERRATEC delivers two TBMs for Kanpur Metro’s 1st Underground Section in India

Gulermak/Sam India JV gets ready to commence tunnelling on the Corridor-1 of Kanpur MRTS Project in India. Two 6.52m diameter TERRATEC Earth Pressure Balance (EPB) Tunnel Boring Machines have been ... More Information

Tideway - TBM Selina reaches halfway point in east London

Selina, the giant TBM creating the final, easternmost section of London’s new super sewer has passed the halfway mark on her underground journey towards Abbey Mills Pumping Station in ... More Information

PRESS RELEASE - First of Cross River Rail’s twin tunnels complete

The first of Cross River Rail’s Tunnel Boring Machines has seen the daylight, for the first time in ten months. The mega project is one of many being delivered by the Palaszczuk ... More Information

Breakthrough for TBM Armelle on Line 16

On 24/11/2021 Eiffage Genie Civil celebrated the breakthrough of TBM Armelle in Le Blanc-Mesnile station, Line 16, Grand Paris Express. Click here for the video, here and fr/127 for tunnel ... More Information

BBT - Exploratory tunnel excavation completed

On the 24/11/2021 TBM Serena with a diameter of 6.85m, a length of approximately 300m and weight 1,500 t has reached the Brenner Pass. The TBM has excavated over 14 km of tunnel in 3.5 years. The ... More Information

Progress at HS2 Superhub station Old Oak Common as construction of main station box begins

Press release - Work to construct the 850m-long station box at HS2’s Old Oak Common station began last month as concrete frame and substructure specialist, Expanded, started on site. Expanded ... More Information

Strata Worldwide Announces Nerospec SK Partnership

Strata Worldwide is excited to announce a new strategic partnership with technology expert Nerospec SK. Nerospec SK is a developer of cutting-edge machine digitalization systems. Together the ... More Information

Santa Lucia tunnel update

Work is ongoing towards the completion and opening on the 4 December ( Santa Barbara's day) for new Santa Lucia tunnel in the A1 motorway, Barberino - Calenzano section. The ... More Information

Swinoujscie tunnel - Propaedeutic works underway

Preparatory works for the construction of emergency exits of the Swinoujscie tunnel, driven under the Swina river, are underway. The 1,483.8 m single tube tunnel will have a 3.5 m wide lane ... More Information

Tube-2 of the Nilgrar Tunnel-1 completed

On 22/11/2021 Megha Engineering & Infrastructures Limited (MEIL) achieved a breakthrough on the Zojila tunnel construction project in the Jammu Kashmir-Ladakh region. The project was awarded to ... More Information

Not long to go for the STUVA Expo and Conference 2021!

Its less than a week to go until the STUVA Expo and Conference 2021. The conference will be held from the 24 to 26 November in Karlsruhe. To find out all about the conference please click here for ... More Information

TBM cutterheads arrive at the HS2 West Ruislip portal

In West Ruislip, HS2 is preparing the way for the TBMs that will dig the high speed rail tunnels under West London. The giant cutterheads - part of the first pair of TBMs that will dig ... More Information

Robbins Crossover XRE is World’s Fastest TBM over 13 Meters in Diameter

In October 2021, the breakthrough of a Robbins Crossover XRE TBM was the cause of much celebration. A team of personnel from Kolin Construction, Turkish State Railways (TCDD), and Robbins field ... More Information

Nepal - The Posta Bahadur Bogati (Bhimphedi-Kulekhani) Tunnel update

Bagmati Province government have decided to stop work on the Posta Bahadur Bogati (Bhimphedi-Kulekhani) tunnel construction as it was unable to build the tunnel itself and the federal government had ... More Information

Llogara tunnel – construction begins

On the 14/11/2021 the construction of the 5.9km Llogara tunnel officially started. The tunnel, on the road between Vlora and Saranda along the southern part of the Albanian Rivera, is planned ... More Information

Tideway - TBM Annie arrives at Earl Pumping Station

TBM Annie has reached the Earl Pumping Station site in Deptford. This marks the 2.2km point of an overall 4.5km journey from Greenwich Pumping Station to Chambers Wharf in Bermondsey. The TBM will ... More Information

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Tunnelling News

4000-tonne machines dig arterial route under Melbourne's west

The West Gate Tunnel Project is in full swing beneath Melbourne's inner west, with tunnel boring machines (TBMs) Bella and Vida at the helm... More Information

Gotthard drilling machine gets no further - now it has to be blown up

Forced break in the Gotthard road tunnel: After 190 meters, the drilling machine working on the second tube has come to an end for the time being... More Information

Construction begins on 6 Cross Island Line Phase 2 stations

Tunnel Boring Machine measuring 12.8m in diameter. The machine will “bore through the ground only once for the construction of the tunnel which ... More Information

Tunnel boring machine returns after installing $22 million outfall

A 19.5 tonne tunnel-boring machine docked at Onehunga Wharf on Friday afternoon after successfully tunnelling the $22m Clarks Beach Outfall over ... More Information

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

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