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The Sydney Metro West planning process

The environmental assessment process for Sydney Metro West is being done in stages in recognition of the size of the project. Stage 1 seeks approval for station excavation and tunnelling between ... More Information

Contract signed for Merano’s North-West Bypass in South Tyrol

On the 01/09/2020 the Province of Bolzano signed a contract with the consortium, led by Carron Bau Srl GmbH (group leader) and composed of companies Mair Josef & Co. KG di Mair Klaus and Di ... More Information

HRBT Expansion Project – permit news

In August the Hampton Roads Connector Partners (HRCP) received one  of the three components of the Hampton Roads Bridge-Tunnel Expansion Project Permit. The receiving of the final US Army Corps ... More Information

Grand Paris Express update

Grand Paris Express update

In July TBM Sarah was launched from its shaft at Aubervilliers for its journey towards the Saint-Denis Pleyel station. It will arrive at the Finot site at Saint-Ouen-sur-Seine and then it will drive ... More Information

Greek candidacy for the ITA-AITES World Tunnel Congress in 2023

Greek candidacy for the ITA-AITES World Tunnel Congress in 2023

On behalf of the Greek Tunnelling Society (GTS) it is our great pleasure to inform you that the we have applied to host in Athens the ITA-AITES World Tunnel Congress (WTC) in 2023. The Greek ... More Information

Robbins Single Shield breaks through Turkey’s Hardest Rock

Robbins Single Shield breaks through Turkey’s Hardest Rock

On July 24, 2020, a jubilant ceremony marked a milestone for southern Turkey’s arduous Bahçe-Nurdaği High-Speed Railway Tunnel.  The first TBM-driven portion of tunneling using an ... More Information

Mumbai Metro's Line 3 updates

Mumbai Metro's Line 3 updates

In August this year MMRC (Mumbai Metro Rail Corporation) completed the 1.5-km long tunnel beneath Mithi River. The Terratec-made TBM Godavari-4 completed the upline stretch of 1.5-km from BKC to ... More Information

RFPs issued for Scarborough Subway and Eglinton Crosstown West tunnelling projects

Infrastructure Ontario (IO) and Metrolinx have issued two Request for Proposals (RFPs) to teams who have recently been shortlisted to bid on the advance tunnelling work on the Scarborough Subway ... More Information

Chiltern tunnel project updates

Chiltern tunnel project updates

HS2 has revealed the design for the Amersham vent shaft headhouse which is a design for one of 5 structures that will be built to provide ventilation and emergency access to the high-speed rail ... More Information

Completion of East Link Bellevue tunnel in Seattle

On the 19th of August  Sound Transit announced that Atkinson Construction had completed the civil construction of the Bellevue tunnel. The tunnel will connect the East Main and Bellevue ... More Information

Verona-Fortezza access line part of the BBT

The new Brenner Base Tunnel, which is the responsibility of BBT, is being built to boost the capacity of the Verona-Fortezza access line from the south, which is being built by RFI. The line is ... More Information

China-Laos railway updates

On 13/08/20 the China State Railway Group Co Ltd (China Railway) completed the 14.5km Duoji tunnel on the Kunming-Vientiane Railway to link China with Laos. In drilling the Duoji Tunnel, located ... More Information

Two more tunnelling machines blessed ahead of underground journeys

Two more tunnelling machines blessed ahead of underground journeys

The final two Tunnel Boring Machines on the Tideway project have been blessed signalling that they will soon be ready to begin digging the final stretches of the super sewer. TBM Annie at Greenwich ... More Information

The HS2 Tunnel Boring Machines (TBMs)– Press release

The TBMs will excavate tunnels, reducing the environmental impacts in rural areas. What is HS2? HS2 is a state-of-the-art, high-speed line critical for the UK’s low-carbon transport ... More Information

BMRCL launched Phase-II of Bangalore metro project

On 30/07/20 BMRCL, the Bangalore Metro Rail Corporation has launched the 2.88 km tunnel work between Shivaji Nagar and Tannery Road stations on Namma Metro Phase 2 line project: the Chief ... More Information

Teams Shortlisted for Scarborough Subway and Eglinton Crosstown West Tunnelling Projects

Infrastructure Ontario (IO) and Metrolinx have shortlisted six teams for advance tunnelling work on the Scarborough Subway Extension and the Eglinton Crosstown West Extension projects.  ... More Information

Samoter and Asphaltica Postponed to 2021

After noting the persistent scenario of international uncertainty linked with Covid-19, the 31st edition of SaMoTer and 9th edition of Asphaltica have been postponed to March 2021. ... More Information

Robbins Free Webinar on Himalayan Geology

Robbins Free Webinar on Himalayan Geology

On August 13, 2020 at time: 8 AM PDT / 11 AM EDT / 3 PM GMT/5 PM GMT+2 Robbins will be hosting a free webinar discussing a project they were involved in in the Himalayas. The title of the ... More Information

Progress at Chiltern tunnel site as HS2 prepares for arrival of first TBMs

Progress at Chiltern tunnel site as HS2 prepares for arrival of first TBMs

Preparation for the arrival of HS2’s first giant TBMs has passed a major milestone with the completion of the 17m high headwall and ground reinforcement at what will become the south ... More Information

Étanchéité de Tunnels

Depuis 50 ans, Sotecnisol a dominé le marché de l’étanchéité au Portugal et a développé une forte présence dans d’autres ... More Information

Ashbridges Bay Wastewater outfall tunnel

New outfall tunnel for Ashbridges Bay Wastewater The construction of the new outfall tunnel for Ashbridges Bay Wastewater Treatment Plant in Toronto has been a work in progress since the ... More Information

Clearwater Project in Los Angeles

Clearwater Project  in Los Angeles

Last week the virtual Factory Acceptance Testing (FAT) for  the Joint Water Pollution Control Plant Effluent Outfall TBM to be used for the Clearwater Project  in Los Angeles  was ... More Information

Grand Paris Express - Breakthrough for TBM Koumba

Grand Paris Express - Breakthrough for TBM Koumba

On 20/07/20 the TBM Koumba arrived at the future Europa service facility in Orly on the extension of line 14 south: click here for the video.  The TBM will resume excavation in about two ... More Information

Cross River Rail underground blasting tests begin

Cross River Rail underground blasting tests begin

Cross River Rail in Brisbane (Australia) will test underground blasting at the site of the new Albert Street underground station and the new Woolloongabba station site, in a move to speed up ... More Information

New product certificate for CEAR

New product certificate for CEAR

CEAR have finally completed the certification for their 7.2kV Ex-e MV Junction box in accordance with the Directive ATEX 2014/34/EU. This Ex-e Junction Box  is also in compliance with ... More Information

Italy/Piedmont - A Infra.To the design of Line 2 in Turin

Italy/Piedmont - A Infra.To the design of Line 2 in Turin

On 14/07/2020, the Turin City Council passed a resolution, which will then have to be approved by the City Council, which identifies Infra.To, the in-house company of the city of Turin, for the ... More Information

Seabridge Gold’s KSM Project starts geotechnical drilling

Seabridge Gold’s KSM Project starts geotechnical drilling

On the 9th of July 2020 geotechnical drilling began along the proposed route of the Mitchell Treaty Tunnels (MTT), a key infrastructure component of the KSM gold-copper project in north western ... More Information

Your new contractor for SCL Tunnelling & Mining in the UK.

Your new contractor for SCL Tunnelling & Mining in the UK.

T&M Specialists UK Ltd. A new company in the UK market but with an already extensive portfolio of previous projects. T&M Specialists started life based in Hong Kong from where they have ... More Information

New yellow metro line in Stockholm

The Stockholm metro will be expanded with the building of the new Yellow line from Odenplan in Stockholm to Arenastaden in Solna.  The new line will have three new stations (Hagastaden, Sodra ... More Information

IWMC 2021

IWMC 2021: Tabletop Booking has started - The 20th International Water Mist Conference (IWMC) will take place in Warsaw (Poland) on 21st and 22nd April 2021 at the Regent Warsaw Hotel. The ... More Information

TBM Selina set to create final stretch of super sewer arrives by river in London

TBM Selina set to create final stretch of super sewer arrives by river in London

At the beginning of July TBM Selina, built to create the final 5.5km stretch of London’s new super sewer, arrived in the capital. It was delivered to Tideway’s Chambers Wharf site in ... More Information

Snowy 2.0 project - TBM factory test celebrated in Australia

The most sophisticated TBM for the construction of Snowy 2.0, the biggest renewable energy project in Australia, has passed the Factory Acceptance Test (FAT), making it ready to be shipped to the ... More Information

Brenner Base Tunnel project - Breakthrough

Brenner Base Tunnel project - Breakthrough

On 06/07/20 the TBM Gunther, tunnelling from Ahrental (Innsbruck) in the north completed its 16.7 km long exploratory tunnel. The TBM averaged 11 m of tunnelling per day. The breakthrough, ... More Information

Cumana Railway –Breakthrough in Monte Olibano tunnel

On the 2nd of July a break through ceremony was held in Naples for the Monte Olibano tunnel, which forms part of the project to upgrade and expansion of the Cumana Railway. The new tunnel forms ... More Information

The WestConnex in Sydney M8 is now open!

The WestConnex in Sydney M8 is now open!

The WestConnex M8 opened on Sunday 5 July in Sydney. The new M5 East motorway has been named the M8. The 9km M8 twin tunnels run from the end of the M5 Motorway at Kingsgrove to the new St Peters ... More Information

Tideway project - TBM Charlotte completes connection tunnel drive

Tideway project - TBM Charlotte completes connection tunnel drive

At the beginning of this month TBM Charlotte completed her journey to the Carnwath Road reception chamber at Fulham, finishing a 1.1km connection tunnel, at a depth of 30 m. It will take sewage ... More Information

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