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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

ITA ANNOUNCEMENT - WTC 2020 Kuala Lumpur, Malaysia

ITA ANNOUNCEMENT - WTC 2020 Kuala Lumpur, Malaysia

The Institution of Engineers, Malaysia (IEM) has advised the International Tunnelling and Underground Space Association (ITA) that WTC 2020 in Kuala Lumpur, Malaysia is cancelled. The Executive ... More Information

Grand Paris Express tunnel works restarted

 Grand Paris Express tunnel works restarted

Line 15 - On 18/06/20 the TBM Amandine, who started out from the Arcueil Cachan station (Line 15, lot T3C), broke through the wall of the future Villejuif IGR (Institut Gustave Roussy) station. The ... More Information

Fehmarn tunnel

Boskalis and joint venture partner Van Oord have started work on the construction of what will be the largest port in Europe for the Fehmarnbelt project in Robyhavn.  The working harbour ... More Information

Tunnelling News

Webuild at work on the massive railway tunnel at the heart of the Northeast Corridor

After years of planning, the Hudson Tunnel Project (HTP) to improve the railway connection between New York and New Jersey has begun. The first drilling contract for the tunnels, part of ... More Information

TfL Awards Contract for Elephant & Castle Tube Station Upgrade

Transport for London (TfL) has selected Dragados UK to design and construct new passenger tunnels at Elephant & Castle Tube station. These tunnels will connect the new station box to the ... More Information

More than 10 years of transformational tunnelling

More than 23,000 workers, 11 tunnel boring machines (TBMs) and an army of roadheaders and excavators are what it has taken for CPB Contractors to construct more than 80 kilometres of ... More Information

Ivy – the Newest Member of the DEME Marine Fleet on the Fehmarnbelt Tunnel Project

DEME have introduced “Ivy”, the newest member of their marine fleet for the Fehmarnbelt tunnel project! Specifically designed for the transport and immersion of the project’s 89 massive ... More Information

Double down: SA’s groundbreaking purchase

Up to twice the number of Tunnel Boring Machines previously anticipated will be delivered to South Australia for the landmark River Torrens to Darlington (T2D) Project, giving hope the ... More Information

CRL Tunnel Vision September 2024

This month in Tunnel Vision we’re celebrating Te Wiki o te Reo Māori! It’s been a busy month on the CRL fitting out the stations with all the technical systems needed to run and revealing ... More Information

Siddhababa tunnel achieves key breakthroughs.

The first and third cross passages of the Siddhababa Tunnel Project on the Siddhartha Highway have achieved breakthroughs. Construction of two of ... More Information

Ontario Exploring Feasibility of New Highway 401 Tunnel

Today, the Ontario government launched the technical evaluation for the construction of a new driver and transit tunnel expressway under ... More Information

National Highways unveils modernisation plans to upgrade A38 Saltash Tunnel

National Highways will be embarking on the second phase of a major modernisation upgrade of the A38 Saltash Tunnel later this autumn... More Information

Strong sustainability score for North East Link

Three mini tunnel boring machines (TBMs) moved 1.8km of the Yarra East Main Sewer to the east of Bulleen Road, beneath homes, schools and sports ... More Information

Tunneling through the Carpathians

AKTOR's innovative use of Tunnel Boring Machines (TBMs) represents a leap forward in engineering and construction technology in the region. Here ... More Information

Suburban Rail Loop to repurpose enormous Sydney Metro machines

The Victorian government's Suburban Rail Loop (SRL) is making major strides, with the first four tunnel boring machines (TBMs) now ordered and set to ... More Information

The incredible tunnel that cost £108m to build is the longest on an entire continen

Colombia's mega project will see the country honoured as having the longest tunnel in South America when completed, benefitting locals and ... More Information

Panama Excavates First Underwater Transport Tunnel

Panamanian President José Raúl Mulino this week officially began construction and lining work on the first underwater transport tunnel that will ... More Information

Ningbo-Zhoushan High-Speed Railway, China

The tunnelling operation uses two tunnel boring machines (TBMs) named Dinghai and Yongzhou. The two are anticipated to converge midway beneath the ... More Information

Boring on metro tunnel below Adyar river complete

The tunnel boring machines - nicknamed Kaveri and Adyar - were engaged for the work. Kaveri has successfully completed the tunnelling drive, while ... More Information

DMRC completes first twin tunnels

DMRC completes first twin tunnels breakthrough under Phase-IV construction tunnels breakthrough under Phase-IV construction. The two tunnel boring machines (TBMs), Bhoomi and Srishti, ... More Information

BART celebrates 50 years with completion of Transbay Tube retrofit

BART celebrates 50 years with completion of Transbay Tube retrofit. Tunnel project ends agency's $1.5B earthquake safety effort. Avatar photo by Bay ... More Information

US$12.2 billion for new Indian tunnels

A US$12.2 billion budget will boost tunnel construction in India. The plans from the Ministry of Road Transport & Highways calls for 74 new tunnels to be built. These will measure 273km ... More Information

Hong Kong West Drainage Tunnel

Arup is the consultant to the Hong Kong Drainage Services Department in carrying out the design, pre-qualification, tender and construction ... More Information

Lane JV Wins Tunnel Package for Hudson River Tunnel Project Valued at $466 Million

CHARLOTTE, NC – The Lane Construction Corporation, the U.S. subsidiary of Webuild Group, has won a $466 million contract, of which Lane has a 35% share, to construct the Palisades Tunnel ... More Information

World’s biggest developers eye bids for Dublin MetroLink contracts

A consortium made up of some of the biggest infrastructure developers in the world has formed in preparation to bid for contracts to build and operate the long awaited MetroLink rail line ... More Information

The Boring Company's Prufrock-3 completes Las Vegas tunnel

The tunneling startup did not share the length of the tunnel that ... construction projects with speed and automation. This is highlighted by ... More Information

Coastal road phase 2: Mumbai's second twin tunnel to pass under rivers, mangroves

As part of phase 2 of Mumbai's Coastal Road Project, a 22.93 km high-speed corridor linking Versova with Dahisar will be created. More Information

Rock tunnel for £1.7bn Norway road scheme takes shape

The consortium responsible for the construction of a new road system in Norway has excavated approximately 500m of a new 1.9km long tunnel... More Information

Tunnel boring machine reaches halfway point on HS2's route into Birmingham

Balfour Beatty VINCI is celebrating a key milestone in the construction of HS2's gateway to Birmingham. The joint venture today (Thursday 29 ... More Information

Gateway Development Commission secures $3.8B in funding for Hudson Rail Tunnel project

The money is the final funding piece for the $16 billion project to build a new rail tunnel that will carry Amtrak and New Jersey Transit trains under ... More Information

TBM Zelda starts on 6.5km Melbourne tunnel

The 4,000t machine is the first of two TBMs that will excavated a section of the project's twin road tunnels in the city's suburbs. Named after local ... More Information

Tunnels of the Future: Key Innovations and Projects at InnoTrans 2024

BBT SE, responsible for the construction of the Brenner Base Tunnel, will provide details on its ambitious project. This 55-kilometer tunnel is ... More Information

Hudson tunnel contract awarded

Webuild's Lane, ACS firms win $466 million Hudson Tunnel contract tunnels as part of the Hudson Tunnel Project in the New York City area, the Italian construction group said on Thursday. More Information

All women crew to build SRL tunnels

Crews are moving underground services and building tunnel boring machine launch sites, preparing sites for major construction. Suburban .. More Information

Officials break ground on one of world's longest underwater rail tunnels connecting 2 major cities

This tunneling project, which is part of the larger Mumbai-Ahmedabad HSR corridor spanning 315.66 miles, is part of an effort to reduce the ... More Information

Severn Trent unveils huge 25m deep new storm tank to ease flooding and prevent spills

Four tunnel boring machines were used to install the new sewer pipes under the town to minimise disruption, as well as lining 1km of old brick ... More Information

Here's how downtown Toronto's first subway tunnel in over 60 years will be dug

Crews are now drilling deep into the soil around the launch shaft ... Once piling is complete and this massive pit is dug, tunnel boring machines ... More Information

LTA awards S$199M contract for Maju-Clementi rail tunnels and S$400M for Cross Island

Construction will use a slurry tunnel-boring machine due to the hard sedimentary rock in the area. LTA has assured that rigorous safety measures ... More Information

Northside Interceptor Tunnel named after local environmental advocate

The machine will be named “Elaine” after environmental advocate Elaine Marsh. A tunnel boring machine is used to excavate tunnels through hard ... More Information

Tunnelling works complete on NI Water's £7.8m wastewater upgrade at Meadow Lane

The 25-tonne Tunnel Boring Machine (TBM) broke through to the new stormwater storage tank to complete this significant element of work. The new ... More Information

The longest railway tunnels in the world

The three rail tunnels have a diameter of 7.6 m, while the service tunnel has a diameter of 4.8 m. A total of 11 tunnel boring machines (TBM) dug the ... More Information

Reusing dirt and rock as we build the North East Link tunnels

As the TBMs dig underground, excavated dirt and rock is moved via an enclosed conveyor system that crosses high ... More Information