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BTS December Meeting : Tideway Update

During the London December`s BTS (British Tunnelling Society) evening Andy Alder, Tideway Programme Director, gave an update on the Tideway Projects current progress and the approaches being used. ... More Information

Grand Paris Express - New milestones

Line 15 South - On the 08/12/20, after a 4 km drive between the Robespierre shaft (in Bagneux) and Fort d ' Issy - Vanves - Clamart, TBM Ellen began driving a further 700 m section of the ... More Information

Requests for Proposals Issued for Ontario Line

Infrastructure Ontario (IO) and Metrolinx have issued two Requests for Proposals (RFPs) for procurement packages for the Ontario Line subway project. Teams have been shortlisted and invited to bid ... More Information

Fort Wayne’s Deep Rock Tunnel 2021 completion date

At the beginning of December 2020 the TBM MamaJo, whose name is derived from the three rivers that flow through the Fort Wayne city, reached the 4.82km (3 mile) point of its journey for the ... More Information

RFQ S20221 BART Silicon Valley Phase II Extension Program / Tunnel / Trackwork Contract

1. Summary - VTA intends to award a Progressive Design-Build (PDB) contract for the design and construction of all tunnel and trackwork required for this Project. VTA’s intended PDB ... More Information

Work in progress on HRBT Expansion Project

Crews continue to prepare for the arrival of the HRBT Expansion Project ‘s TBM and are working on expanding the existing North and South islands to accommodate the new twin tunnels. ... More Information

Peshawar DI-Khan Motorway Approved by KP (Khyber Pakhtunkhwa) Government

On the 21/12/2020 the Provincial Development Working Party (PDWP) approved the PC-I document and design of the 364-km motorway that will connect Peshawar with Dera Ismail Khan in Pakistan and ... More Information

TERRATEC MTBM system breaks through in Ahmedabad, India

A TERRATEC Micro Tunnel Boring Machine (MTBM) achieved a major milestone on the city Ahmedabad’s new sewage tunnel system in India. It is the first time, the city has used the ... More Information

Press release - HS2 shortlists Track Systems and Tunnel and Lineside M&E suppliers

HS2 today shortlisted bidders for its Track Systems and for Tunnel and Lineside Mechanical and Electrical (M&E) systems. The winning organisations will go on to deliver around 280km of ... More Information

Pune Metro update

Maharashtra Metro Rail Corporation is implementing the Pune Metro Rail Project, which has two corridors: one from Vanaz to Ramwadi which is an elevated line and the other from PCMC to ... More Information

Here’s to the Groundbreakers: Cross River Rail honours iconic Queensland women

Minister for Transport and Main Roads - The Honourable Mark Bailey. Cross River Rail’s twin massive Tunnel Boring Machines (TBMs) have been named after two groundbreaking Queensland ... More Information

Press release - New facility to train Victoria's future tunnelling experts

Construction of the Victorian Tunnelling Centre (VTC) at Holmesglen Institute in Chadstone in Australia is now finished. The facility will cater for the next generation of construction and ... More Information

TunnelCraft - Tunnelling Specialist Supplier of the year at NCE Tunnelling Festival Awards 2020

Tunnelcraft Ltd has won the award for Specialist Tunnelling Supplier of the Year at the NCE Tunnelling Festival Awards 2020. The judges felt that TunnelCraft showed clear innovation in management ... More Information

No Dig North 2021 - Call for abstracts open

The second annual No-Dig North Show will be held at the Vancouver Convention Centre in Vancouver, British Columbia, Canada. The call for abstracts is now open and the deadline is March 1, 2021. Case ... More Information

Registration is now open for the NASTT 2021 No-Dig Show

The NASTT 2021 No-Dig Show - the largest tradeshow and conference solely devoted to the trenchless technology industry - will be held in Orlando, Florida, at the Orange County Convention ... More Information

WeRail presents: Tunnel and metro Fire Protection Webinar Series 2021

Catastrophic fires in tunnels have resulted in loss of life, significant asset damage and operational interruption. The ignition and spread of fire in rail applications remains one of the most ... More Information

Outline Features of Phase-II of the Chennai Metro Rail Project

The foundation stone for Phase II of Chennai Metro Rail Project – estimated at a cost of Rs.61,843 crores - was laid through video conferencing on 21-11-2020 at Kalaivanar Arangam. ... More Information

The Ceneri Base Tunnel opens

On the 13/12/2020, the 15.4km Ceneri Base Tunnel, between Camorino and Vezia started operating marking the completion of the New Railway Link through the Alps (NRLA) after 28 years of ... More Information

New breakthroughs on Warsaw M2 line

Eastern Section - At the beginning of December TBM Anna after 1296 m and 858 rings installed as part of the left tunnel behind Kondratowicza C20 broke through to the C19 Zacisze ... More Information

Swinoujscie TBM assembly begins

The assembly process of the 98 piece Slurry-TBM (101 m long, 2740 t weight and 13.5 m diameter) has begun. This TBM will bore the road tunnel under the Swina river, connecting the ... More Information

Press Release - HS2’s first giant tunnelling machines arrive in the UK

HS2’s first two giant Tunnel Boring Machines (TBMs) have arrived in the UK and will be ready to start work on the UK’s largest infrastructure project early next year. The two ... More Information

MineArc New product - A tunnelling refuge chamber that can sit on an incline.

MineArc took their most popular TunnelSAFE Gantry Design Refuge Chamber and brought it to new heights. What makes this refuge chamber unique is its ability to continue to operate on an ... More Information

Updates on the Purple Line Extension in Los Angeles

At the end of November 2020 the tunnelling averages for the Purple Line (Line D) Extension were Section 1: 94.4% complete and Section 2: 2.9 % complete. Section 1 The twin TBMs ... More Information

TBM Millie Relaunched in Melbourne

On St Barbara's day the 4th December a blessing ceremony was held at the Anzac Station site in Melbourne Australia for TBM Millie and all her personnel, to wish them a safe journey to the Town Hall ... More Information

Suburban Rail Loop Works EOI for Early Works

The Andrews Labor Government has opened Expressions of Interest for the biggest ever Initial and Early Works package on an infrastructure project in Australian history. Minister for ... More Information

Grand Paris Express - New breakthrough on Line 15 South

After 3.4 km of excavation, the Amandine TBM arrived at Villejuif Louis-Aragon. The TBM began tunnelling in April 2019, it broke through at the underground enclosure of the future railway station ... More Information

New Berlin U5-Bahn line opened

The new U5 underground railway line in Berlin has now been opened. The Lückenschluss U5 (U5 Gap Closure) has been successfully completed after approximately 8 years of construction ... More Information

TBM Annie begins tunnelling for Tideway

ON 04/12/2020 the TBM Annie which is 6.4 m wide, 100m long and 960t in weight - began driving the 4.5km connection tunnel between Greenwich Pumping Station and the main super sewer at Chambers ... More Information

Winners of the ITA tunnelling awards 2020

The winners of the ITA tunnelling awards 2020 are :- MAJOR PROJECT OF THE YEAR (OVER €500M) John Holland CPB Ghella Joint Venture Tunnelling and Station Excavation Works for the Sydney ... More Information

Strata Worldwide announces the appointment of Mike Rispin to lead Strata Tunnelling

Strata Worldwide is pleased to announce the appointment of Mike Rispin to lead the launch of Strata’s new global division, Strata Tunneling. Mike brings over 36 years of ... More Information

TBM Gaia’s Shield lifted out of excavation shaft

On December 2nd the shield for the TBM Gaia weighing 150 tons and 11 m in diameter was lifted out of the receiving shaft of the Rijnland Route. The rest of the TBM will be dismantled ... More Information

Central section of London’s super sewer complete as TBM breaks into shaft in Bermondsey

TBM Ursula has officially broken into the shaft at Bermondsey finishing her 7.6km journey from Battersea to Bermondsey and completing the central section of the Tideway in London, delivered by a ... More Information

San Gorgonio Pass Water Agency Investment into future water supplies

In November the SGPWA (San Gorgonio Pass Water Agency) Board voted unanimously to support the Delta Conveyance Project (DCP) in California, approving a minimum 1.22% participation level in the DCP ... More Information

TERRATEC TBMs breakthrough on Pune Metro

Gulermak-TATA Projects JV celebrates the breakthrough of TBM tunnelling on the underground works on Line 1 of the Pune Metro, in India. In early-November, TERRATEC joined officials from ... More Information

Cross River Rail’s first mega machine ready to go

The first of the two TBMs that will excavate the bulk of Cross River Rail’s 5.9km twin tunnels is passing factory acceptance testing, before being disassembled and transported by trucks to ... More Information

Government gives green light to A303 Stonehenge improvement

Transport Secretary Grant Shapps has given the formal green light by granting a Development Consent Order for work to start on the A303 Amesbury to Berwick Down (Stonehenge) ... 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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