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Rail Baltica Procurement Webinar 2022

On 13/04/2022 at 12:00-15:00 (CEST)/ 13:00-16:00 (EEST) the Rail Baltica Procurement Webinar 2022 will take place. Click here to watch the event live and here for the program. During the event ... More Information

Minneapolis Central City Tunnel: Project overview

The City of Minneapolis Public Works Department is constructing a new storm tunnel parallel to an existing tunnel located under Washington Ave. S. between Nicollet Mall and Chicago Ave, enlarging a ... More Information

BBT - Breakthrough under Isarco river

On 07/04/2022 about a month after the start of the excavation work, the last main tunnel below the Eisack riverbed for the future railway Brenner Base Tunnel has broken through. A total ... More Information

Tunnelling contract EOI for Suburban Rail Loop in Melbourne

Expressions of Interest have opened for the longest tunnelling package in Victoria’s history - delivering around 16 kms of twin tunnels between Cheltenham and Glen Waverley for the Suburban ... More Information

Final connection tunnel complete as TBM Annie breaks through

Press release - A tunnel boring machine creating the final major connection tunnel into the super sewer has completed its 4.5km journey between Greenwich and Bermondsey. TBM Annie, named after ... More Information

Poland - Construction started on the Rzeszow Południe-Babica section of the S19 motorway

On 04.04.2022 a ceremony was held to mark the start of construction work on the section between the Rzeszow Południe and Babica interchanges of the S19 highway in the Pre-Carpathian Voivodeship in ... More Information

Ontario Line subway project breaks ground at Exhibition Station

Metrolinx marked the start of construction on the Ontario Line subway project, beginning with upgrades at Exhibition Station. These early works will be completed before major construction begins ... More Information

Robbins Main Beam Finishes Challenging China Drive

The breakthrough of an 8 m (26.2 ft) diameter Robbins Main Beam TBM at China’s Yin Han Ji Wei project is not only a cause for celebration, but also a triumph of technology and perseverance. The ... More Information

Green light for the third tube of the Rosenberg tunnel

At its meeting on 30/03/2022 the Swiss Federal Council approved the general project for the construction of the third tube of the Rosenberg tunnel on the A1 in St. Gallen; the two existing tubes ... More Information

Two autonomous TBMs for Sydney Metro West

For the first time in Australia, two autonomous TBMs (1,266 t and 165 m) will be used to build twin 9-km rail tunnels between Sydney Olympic Park and Westmead, part of the EUR1.45 bn (AUD2.16 ... More Information

TBM Mireille breakthrough for the Line16 of the Grand Paris Express

On 29/03/2022, TBM 8, christened Mireille, which had left Chelles less than a year ago, reached its first milestone by entering the future Clichy - Montfermeil station on Line 16 of the Grand Paris ... More Information

Progress at HS2’s Victoria Road site as base slab is completed

HS2’s Main Works Contractor, Skanska Costain STRABAG joint venture, SCS JV, have taken a major step forward in their work at the Victoria Road Site in Acton, completing the base slab ... More Information

Italy/Sicily – RFI will design a new project for the safety tunnel at Cefalù

The Cefalù Municipality reached an agreement with the RFI, for the construction of the evacuation tunnel serving the future Cefalù underground stop, along the Cefalù ... More Information

MAPEI's UTT Division - Santa Lucia tunnel

MAPEI's UTT Division have provided technological solutions and technical assistance for all the main applications related to excavation of the S. Lucia tunnel. The tunnel is on the new three ... More Information

Robbins Single Shield completes Canada’s Largest Outfall

Press release - On March 3, 2022, a 7.95 m (26.1 ft) diameter Robbins Single Shield TBM completed a record-setting run below Lake Ontario. The machine, for the Southland/Astaldi JV, bored 3.5 km ... More Information

HS2 reveals noise-cancelling Chiltern Tunnel north portal design

Press release - HS2 has revealed the designs for the north portal of the Chiltern Tunnel, which has been specially designed to cut noise from trains entering and exiting the project's longest tunnel ... More Information

Snowy 2.0 - Commissioning of TBM Florence

Snowy Hydro, the main contractor for the Future Generation Joint Venture and members of the local community celebrated the commissioning of the third and final TBM for Snowy 2.0, with a ... More Information

Inland Rail - Gowrie to Kagaru Public Private Partnership

Inland Rail is a 1,700km fast freight backbone that will transform how we move goods around Australia by providing transit times of less than 24 hours for freight trains between Melbourne and ... More Information

Public feedback period for the West Seattle and Ballard Link Extensions (WSBLE)

Members of the public are invited to attend upcoming public meetings to learn more about the West Seattle and Ballard Link Extensions (WSBLE) Project, Draft Environmental Impact Statement (EIS), and ... More Information

Inauguration of the Santa Lucia tunnel: one of the largest 3-lane tunnels in the world

On the 19/03/2022 the new three lane Barberino di Mugello - Florence North section of the A1 motorway was officially opened to traffic. The new 17.5km road is a continuation of the Variante di ... More Information

The NPRA has entered into the PPP contract for The Sotra Connection with Sotra Link AS

The NPRA has entered into the PPP contract for The Sotra Connection with Sotra Link AS in Norway. The contract is worth EUR1.96 bn (NOK 19.8 bn). The contract was awarded in September last year ... More Information

HS2 tunnelling machines reach Chalfont St Peter ventilation shaft

Press release - HS2 this week confirmed that the two enormous 2,000 tonne tunnelling machines digging the high speed rail project’s tunnels under the Chilterns have completed the first stage, ... More Information

Consultation for the A303 Stonehenge DCO (Development Consent Order)

National Highways (the Applicant) has published the environmental information relating to the environmental statement submitted in support of its application to the Secretary of State for Transport ... More Information

First major UK infrastructure project to use procurement to reduce carbon

Press release - Invited shortlisted bidders to tender for the £1.9 billion contracts to build the roads, green bridges, parks and woodlands Today, (Monday 14 March 2022) we have invited ... More Information

Swiss Tunnel Congress 2022

The Swiss Tunnel Congress (STC) unfortunately did not take place as usual over the last two years, but now it’s back! The STC 2022 will be held from June 1-2, 2022 in the concert hall of the ... More Information

Secondary lining for shaft complete at Acton Storm Tanks

Press release - The team working on the most western site of the Tideway project has recently completed the secondary lining of its 35-metre-deep shaft, marking a key milestone at Acton Storm Tanks ... More Information

Construction of the E6 Kvithammar – Asen – works begin.

Construction has of the new E6 from Kvithammer (Stjørdal municipality) to Asen (Levanger municipality) for Nye Veier by general contractor Hæhre Entreprenør AS. The works started ... More Information

Breakthrough in the Vaere tunnel

After 398 explosions and 550,000 t of rock blasted out, Nye Veier and Acciona have broken through the new tube of the 1625 m Være tunnel on the E6 from Ranheim to Værnes. Work will now ... More Information

First ever TBM for the Metro Manila Subway Project

On the 08/03/2022 the Department of Transportation (DoTr) announced that the first TBM to be used in Philippine history would be lowered into the Metro Manila Subway Project (MMSP) works. The TBM is ... More Information

Australia’s largest tunnelling machine starts digging the West Gate Tunnel

Press release - The largest tunnel boring machine (TBM) in the Southern Hemisphere has started digging the West Gate Tunnel. The massive TBM, named Bella, was sent on its journey under ... More Information

TBM Dame Whina Cooper reassembly begins at Mt Eden

Last October TBM Dame Whina Cooper successfully completed the first City Rail Link tunnel and is now currently being reassembled at Mt Eden. All parts of the TBM, the cutterhead, front shield, ... More Information

WTC2023 – Abstracts’ submission is now open

All members of the tunnelling and Underground Space family are invited to submit their abstracts, deadline 31/05/2022, for WTC2023 to be held in Athens from 12th to the 18th May 2023: ... More Information

Cross River Rail - Northern Tunnel Portal construction update

Excavation, portal structure construction and TBM removal continues in March at the Northern Tunnel Portal site and is on track for completion in mid-2022. Once the team reaches the required ... More Information

TBM Margherita Launched for the Cefalù tunnel in Sicily

On 03/03/2022 the ceremony for the beginning of construction of the Cefalù tunnel was held. The tunnel will be the longest of the 3 tunnels for the doubling of the ... More Information

Grand Paris Express – TBM Dorine almost ready for second departure from the Verdun shaft

On 30 August 2021, after 6 months of excavation at a depth of 20 m under the municipality of Bourget and the simultaneous installing of the tunnel lining, the TBM Dorine arrived at the Rolland shaft ... More Information

TERRATEC EPBM Ready for South Bangkok Cable Tunnel Project

TERRATEC delivers the new 4.27m dia. EPB TBM that will be used by Contractor Nawarat Patanakarn PCL to supply the electricity in Bangkok, Thailand. TERRATEC is pleased to announce the delivery of a ... More Information

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Tunnelling News

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

RiverRenew Tunnel Project Nearing Completion

The RiverRenew Tunnel System Project, the largest infrastructure investment in Alexandria's history, is nearing completion. More Information

Sydney Metro West tunnels enter final stretch after big breakthrough

Two tunnel boring machines (TBMs) constructing the huge Sydney Metro West tunnels have made a smashing entrance 24 metres below the surface. More Information

Chennai Metro Rail launches first tunnel boring machine for underground tunnelling in Kolathur

Corridor 5 begins at Madhavaram Milk Colony and connects through Koyambedu, Porur, Alandur and other residential/commercial areas of the city to ... More Information

Element Six, Master Drilling Announce Tunnel Development Partnership

Element Six and Master Drilling will deliver a diamond-enabled solution designed to increase tunneling development speed, reducing costs and minimize the environmental impact of tunnel ... More Information

Gateway Project Tunnel Connecting NY and NJ Moves Forward

Five Gateway contracts have been awarded so far, including one on Predergast's first day for construction on the Manhattan side of the tunnel... More Information

HSR Xi'an – Yan'an: Completion of All Tunnels in the Project

The HSR Xi'an – Yan'an has completed the excavation of all tunnels, including the Tongchuan Tunnel. This is a key milestone in the construction ... More Information

Brazil's US$1bn underwater tunnel project making waves among potential bidders

The first underwater road tunnel project in Brazil is attracting interest from multiple potential bidders, an official familiar with the matter ... More Information

Element Six and Master Drilling Announce Strategic Partnership for Advanced Tunnel

Achieving high quality, nonexplosive tunnel construction with various aspects of value generated compared to traditional rock excavation methods is a ... More Information

Tutor Perini Wins a $1.2 Billion NYC Contract

A joint venture of Sylmar-based civil construction firm Tutor Perini Corp. and its subsidiary Frontier-Kemper Constructors has won a $1.18 billion contract to construct a pair of rail ... More Information

Milestone reached for $1.6b Auckland wastewater tunne

Watercare's Central Interceptor project has passed an historic milestone with the southern half of the 16.2 kilometre tunnel – Blockhouse Bay ... More Information

Elon Musk's 'Wormhole' Tunnel Promises To Carry 20,000 People Per Hour In Dubai

It’s been more than eight years since Elon Musk decided he was fed up with traffic and declared he’d start digging tunnels to revolutionize public transport across the United States. So ... More Information

First tender for Dubai’s $22bn tunnels due within days

Dubai Municipality is expected to tender the first two packages of the $22bn Dubai Strategic Sewerage Tunnels (DSST) project imminently... More Information

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