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Featured News

Railways 2021 - Extended deadline for short papers

The Fifth International Conference on Railway Technology has been postponed from 7-10 September 2020 to 30 August - 2 September 2021 at the same venue in Mallorca, Spain. Due to the rescheduling, ... More Information

Tideway Press Release - Meet the Engineer: Bianca Wheeler

At Tideway, our aim is to inspire the engineers of tomorrow by promoting the STEM subjects of science, technology, engineering and maths. We also want to showcase some of the many talented people ... More Information

Poland - Zakopianka Tunnel

On Monday, April 27, 2020 the excavation of the second tube of the 2.06km Zakopianka tunnel under the Lubon Maly Mountain in the Beskid Wyspowy was completed. The teams boring the tunnel from both ... More Information

Paradigm Group Achieves World First Cross-Industry Dry-Deluge Testing on Australian Motorway Tunnelling Project.

Paradigm Flow Services Ltd (PFS) has successfully applied their game changing digital dry deluge testing system, Dry-Flo® on a non-oilfield project on a major transport tunnel construction ... More Information

Russia/Tatarstan - Kazan metro

On the 23.04.2020 the TBM named Aysylu was launched to start the construction of the first 5.37 section of the second metro line in Kazan from Fuchik – Sakharov, the contractor is ... More Information

CIPA is Hiring

CIPA is hiring and looking for workers for its Italian and foreign sites: • Mechanics and drivers (with license ... More Information

HRBT Expansion Project Update

In March 2020 Hampton Roads Connector Partners (HRCP), the joint venture consisting of Dragados USA, Flatiron Constructors, Vinci Construction and Dodin Campenon Bernard, commissioned ... More Information

TBM Millie launched at Anzac Station in Melbourne

On the 27/04/20 Metro Tunnel reached another major milestone with TBM Millie launching from the site of the new Anzac Station in Melbourne. Millie is digging the first tunnel between Anzac Station ... More Information

SWEDFAN - Complete Turnkey Ventilation Systems

SWEDFAN - Complete Turnkey Ventilation Systems for underground construction since 1995. SWEDFAN has designed and manufactured ventilation systems for more than 2.000 tunnelling projects worldwide ... More Information

Fehmarnbelt tunnel update

On the 26/04/2020 the Danish minister of transport reported that construction of the immersed tunnel Fehmarnbelt will start on January 1, 2021 on the Danish side. Construction work will be ... More Information

Forrestfield April / May project update

It’s a wrap! A major milestone was achieved earlier this week with tunnelling now complete after tunnel boring machine (TBM) Sandy broke through at the Bayswater dive structure on Monday. ... More Information

The WestConnex update

When complete, Sydney’s AUD16.8 billion WestConnex project will provide drivers with 33km of motorway to link western and south-western Sydney with the city, Kingsford Smith Airport and Port ... More Information

Colombia - postponement of the opening of the La Linea tunnel

The inauguration of the la Linea tunnel and its emergency tunnel, scheduled by Invias for 29 May 2020, will be delayed due to the slowdown in work imposed by the Coronavirus pandemic. The La ... More Information

Government confirms Notice to proceed on High Speed 2

The Department for Transport has given approval for HS2 Ltd to issue Notice to Proceed to the four Main Works Civils Contractors working on the project. On the 15/04/20, following on from the ... More Information

First section of Melbourne Metro tunnel completed

Press release - The first section of the Metro Tunnel is now complete – with Joan and Meg the tunnel boring machines (TBMs) breaking through to complete the journey from Arden Station to the ... More Information

DC Water’s Potomac River Tunnel project approved

The National Park Service (NPS) has completed an Environmental Assessment (EA) and approved DC Water’s proposal to move forward with construction of the Potomac River Tunnel project. A ... More Information

TBM Chris Breaks on Through North East Boundary Tunnel!

TBM Chris, launched in July 2018 has broken through on W Street as part of the Clean River Project in Washington DC. The TBM was named Chris, in honour of Christopher Allen, the assistant ... More Information

Sydney Metro tunnelling to create thousands of jobs

On the 07/04/2020 Minister for Transport Andrew Constance announced the start of the tender process to build almost 50km of new metro railway tunnels between Greater Parramatta and the Sydney CBD on ... More Information

First blast at Sodermalm

On the 03/04/2010 the first blast took place to start the first tunnel for the Blue metro Line's extension under Saltsjon and Sodermalm in Stockholm: click here to view the video. The ... More Information

Swiss Tunnel Congress 2020 to be held online

Due to the current worldwide conditions in regards to COVID-19, the Executive Committee of the STS has decided to cancel all events relating to the Swiss Tunnel Congress scheduled to take place in ... More Information

Purple Line Extension in Los Angeles

The Purple Line Extension Transit Project will be welcoming the last two TBMs which will join the Section 1 TBMs Elsie and Soyeon and the Section 2 TBMs Harriet and Ruth in Los Angeles. The ... More Information

Stockholm Metro update

Stockholm Metro to Alvsjo - Planning for the Metro between Fridhmsplan and Alvsjo, via Liljeholmen, has begun this year after an agreement was reached between the Municipality of Stockholm and ... More Information

The ITA tunnelling awards 2020 - Call for entries

The 6th edition of the ITA Tunnelling Awards will take place at the end of the year (exact place and date will be confirmed soon). For this edition, some changes are proposed in the categories with ... More Information

Normet Technologies for Sprayed Concrete Animation

Normet Oy brings you an animation to show how to optimise the cost and quality of sprayed concrete, showing its delicate combination of different factors. See how Normet can help you improve your ... More Information

The GuardIAN Intelligence Network from MineArc

What is a GuardIAN? It is a protector. A defender. A guide. In response to industry requirements, the GuardIAN Intelligence Network has been designed to improve personnel safety, increase ... More Information

Liafjell- Olvikvatnet finished next year

The Nordland County Council Bent-Joacim Bentzen assured the Liafjell - Olvikvatnet project will be completed for autumn 2021. Construction of the new 5.5km-long stretch of the Liafjellet - ... More Information

Construction on Moscow Subways to continue

Despite the set of measures to prevent the spread of coronavirus, the pace and scope of work on the construction of the Moscow's subway will not decrease. Today, active tunnelling in Moscow involves ... More Information

Press release - Forrestfield Airport Link project update

In late July 2017, TBM Grace set off from Forrestfield to Bayswater, building the tunnel that will house the Forrestfield-bound trains. On February 18 tunnel boring machine (TBM) Grace arrived at ... More Information

4 tunnelling shows postponed

NASTT’s No-Dig Show - Postponed Due to the COVID-19 response situation going on throughout the United States and Canada, the 2020 NASTT’s No-Dig Show, originally scheduled for April 5-9 ... More Information

Tunnelbuilder turns 21!

Today Tunnelbuilder celebrated 21 years of providing the tunnelling community with up to date, daily information on tenders, awards and news from throughout the world. 21 years ago tunnelling ... More Information

City Rail Link tunnels - Names Shortlisted for TBM

Georgina, Margaret and Whina: these are the 3 possible names of the TBMs that will burrow under Auckland to complete the dig of the City Rail Link tunnels. The names were shortlisted from thousands ... More Information

Government decides to re-tender the remainder of the Zuidasdok project

The administrative principals (the Ministery of Infrastructure & Water Management and the municipality of Amsterdam) have decided on a different approach for the further implementation of the ... More Information

A message from MineArc

Friends of MineARC - Health and safety is what we do. Each day, over 50,000 people around the world rely on us and our products to keep them safe. We don’t take this responsibility ... More Information

TERRATEC marks major milestone in Bangkok

TERRATEC marks its latest milestone on the Orange Line metro project, in Bangkok, Thailand, with the breakthrough of the Westbound running tunnel on Contract E3 . Recently, TERRATEC joined ... More Information

Save-the-Date: 2020 Breakthroughs in Tunnelling Short Course

The Breakthroughs in Tunnelling Short Course, the longest-running and most-attended course of its kind, marks its 13th year in 2020. The 2020 course returns to the University of Denver in Denver, ... More Information

Blog - On the Move: Robbins TBMs Around the World

At any given time Robbins TBMs are operating in dozens of countries around the world at all project stages. Thus far, 2020 has been no exception to the rule: From an icy visit to the world’s ... More Information

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Tunnelling News

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

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

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