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Mapei Group acquire Fili & Forme Srl

Mapei Group acquire Fili & Forme Srl

On April 4th 2018, Mapei Group acquired FILI & FORME Srl, a company that has been operating for more than 10 years in the building industry as part of  the Istrice brand. Fili & ... More Information

Route 2020 in Dubai 50% complete

Route 2020 a joint project between Acciona and Gulermak has now completed 50% of the tunnel drilling works of the project.  Acciona and Gulermak are jointly responsible for the civil ... More Information

Transbay Program Phase 2 Downtown Rail Extension (DTX)

Transbay Program Phase 2 Downtown Rail Extension (DTX)

The approximately $6 billion Transbay Transit Center/Caltrain Downtown Extension (TTC/DTX) project in San Francisco consists of following three interconnected elements. A replacement of the the ... More Information

Fixed link from Newfoundland to Labrador

Fixed link from Newfoundland to Labrador

A study on a fixed link from Newfoundland to Labrador, funded by the province and the Atlantic Canada Opportunities Agency, was completed by Memorial University's Leslie Harris Centre of Regional ... More Information

Revisiting the Chamber of Horrors

To qualify for the tunnelbuilder Chamber of Horrors, a project must have set out for the Hall of Fame and lost its way. The list we have is by no means complete, because failures in tunnels are ... More Information

Moretrench Inc Acquisition update

Further to its announcement on 5 January 2018, Keller today announces that it has acquired the entire issued share capital of Moretrench Inc., a geotechnical contracting company operating ... More Information

Video update on the build of London's new super sewer

March has been a productive month for Tideway with work on the Thames Tideway Tunnel making huge strides ahead of the start of tunnelling later this year. Tunnel Boring Machines, Millicent and ... More Information

Still time to register for the WTC 2018 Short Course!

Still time to register for the WTC 2018 Short Course!

WTC 2018: Short course on the Main Opportunities and Technical Issues in Tunnelling The United Nations estimates that by 2050, around 70% of all people will live in cities. Managing urban areas has ... More Information

Revisiting the Comedy of Errors

Strange things sometimes happen at tunnelling sites. Maybe they are not so funny at the time, and nobody wants to talk about them. Then, as the years go by, the tale will unfold, embellished by ... More Information

Revisiting the Theatre of Dreams

At tunnelbuilder we have decided to visit some of our past readers submissions about tunnelling successes and mishaps.  We are also going to look at what tunnellers thought may or may not ... More Information

TBMs ordered for Melbourne Metro

Four giant tunnel boring machines (TBMs) will start arriving early next year to build the $11 billion Metro Tunnel that will transform Melbourne’s transport network.   Minister for ... More Information

Melbourne Metro

Melbourne Metro

Be brought right up to date about the Melbourne Metro tunnelling project by reading their latest newsletter here. 14/18 More Information

Follo Line Project update

Follo Line Project update

Almost 2/3 of the Follo line tunnel has now been completed by, the joint venture between Ghella and Acciona. They have bored 24,000 m through extremely hard rock which has been interspersed with ... More Information

Bangladesh – Karnaphuli tunnel

In August 2015 the Government of Bangladesh awarded to the China Communication Construction Company Ltd the contract to build the Karnaphuli road tunnel  (3.5 km long, 10 m wide) in Chittagong, ... More Information

IRF Global R2T

A reminder about the abstract submission deadline The IRF Global R2T Expo & Conference.   The abstract submission deadline has been postponed to April 6, 2018, click here for more. ... More Information

VIP ready to talk TSG innovation at the WTC

VIP ready to talk TSG innovation at the WTC

VIP-Polymers Ltd is taking its latest innovation in tunnel segment gaskets - a major step forward in cast-in gasket design - to the ITA-AITES World Tunnel Congress in Dubai. The patented ... More Information

Robbins Complimentary Webinar

Robbins Complimentary Webinar

Is Your TBM in a Tight Spot? How to Get Through Squeezing Ground, Rock Bursting and More With Brad Grothen, Sindre Log Date: May 16, 2018 If you’ve ever faced mountainous tunneling ... More Information

TERRATEC marks record-breaking TBM advance in Istanbul

TERRATEC marks record-breaking TBM advance in Istanbul

In early March, Senbay Madencilik - Kolin - Kalyon JV achieved a record - breaking TBM production shift during excavation of the Dudullu - Bostancı Metro Line, in Istanbul .    At 7am, ... More Information

Robbins TBM uncovers Spectacular Cavern at Galerie des Janots

Robbins TBM uncovers Spectacular Cavern at Galerie des Janots

Workhorse Machine makes progress in Difficult Ground  A rebuilt Robbins 3.5 m (11.5 ft) diameter Main Beam TBM has yet another milestone to add to its storied career: an unexpected ... More Information

Milestone for the Semmering base tunnel (SBT) lot 2.1

Milestone for the Semmering base tunnel (SBT) lot 2.1

On 15 and 16.02.2018 Swietelsky Tunnelbau GmbH & Co KG, a subsidiary company of the Swietelsky group, reached an important milestone in the construction of the Froeschnitzgraben tunnel (SBT ... More Information

CBE Group reaches 200 automated plants worldwide

CBE Group reaches 200 automated plants worldwide

NORTH EAST BOUNDARY TUNNEL in the USA or the DUBAI DEEP STORM WATER project in the United Arab Emirates are two of the new projects signed by CBE Group at the beginning of the year. As active as ... More Information

Sydney Metro City & Southwest update

The first of five mega TBMS designed, built and to be delivered by Herrenknecht, will be in the ground before the end of this year to drive the twin 15.5km metro rail tunnels between Chatswood and ... More Information

Pickles: The Wirth Roadheader T3.20

Pickles is Australia’s leading asset remarketing organisation with thousands of assets available across vehicles, industrial, salvage and general goods. We’re currently taking EOIs for a Wirth roadheader T3.20. More Information

Twin Peaks Tunnel update

The Twin Peaks Tunnel  (3.54 km-2.2 miles) first opened for service on 03.02.1918, and still is a vital connection between downtown San Francisco (California, USA) and its southern and western ... More Information

India - Road Rehabilitation Projects approved for Jammu and Kashmir

The Ministry of Road Transport and Highways has approved the rehabilitation and upgrading of  the Chenani - Sudhmahadev section of National Highway 244  to two lanes with paved shoulders ... More Information

Cabinet approves Silkyara Bend-Barkot Tunnel in Uttarakhand

The Indian government on Tuesday approved a Rs 1,384 crore tunnel project in Uttarakhand as part of ‘Char Dham’ project to connect the pilgrimage sites - Badrinath, Kedarnath, Yamunotri ... More Information

The TBM Luz de America update

On 27.02.2018 the TBM Luz de America, one of the 3 machines used by Acciona in the Quito Metro Line 1 Consortium, reached its third station, La Magdalena. It travelled 1,700 m and installed 1,134 ... More Information

Completed second metro line in Rennes

On the 28.02.2018 the JV led by Dodin Campenon Bernard which included GTM Ouest and Botte Fondations, both subsidiaries of VINCI Construction France, along with Spie Batignolles TPCI, Spie ... More Information

Metro Line E - Lyon

Sytral, from November 2016 to January 2018, studied the feasibility of a new metro line connecting the center of Lyon to Alai station in Tassin-la-Demi-Lune (at the border between Francheville and ... More Information

Task force to examine the Tallinn tunnel project

On the basis of the final report published in February on the railway tunnel project between Helsinki and Tallinn, the FinEst Link, the Finnish Ministry of Transport and Communications has set up a ... More Information

AST Bochum - Just-in-time means "Immediately"

AST Bochum - Just-in-time means "Immediately"

Just-in-time delivery of materials and products becomes more and more important in our daily rush hour world. What this means for the working process, how much logistic work and what preparations ... More Information

Looking for Heavy Highway/Drilling Foreman

Industry : Site manager Type : Permanent - Full Time Hours Country : United States City : Columbus, OH Salary : Details on request Description : The purpose ... More Information

IPS Announce new appointment - Patrick Mans

IPS Announce new appointment - Patrick Mans

iPS are pleased to announce the appointment of Patrick Mans as Director of Operations for iPS Holdings his appointment began today  01/03/2018. Patrick has been working with iPS for 7 years, as ... More Information

Korean Government improved Infrastructures for Winter Olympic Games

Korean Government improved Infrastructures for Winter Olympic Games

The XXIII Winter Olympic Games held in Peyongchang (South Korea) have highlighted the major underground works undertaken by Korean authorities and the Korean Tunnelling and Underground Space ... More Information

TERRATEC delivers four more EPBMs to Istanbul

TERRATEC delivers four more EPBMs to Istanbul

Gulermak, Nurol & Makyol JV gear up for tunnelling on the Ümraniye-Ataşehir-Göztepe Metro Line, in the latest addition to Istanbul’s ongoing mass transportation ... More Information

Ceneri Base Tunnel

On 23.02.2018, just 7 months after beginning the railway infrastructure systems works, the installation of the tracks in the 15.4 km East tube  of the Ceneri  Base Tunnel have now been ... More Information

Tunnelling News

Westmead metro station cavern formwork the biggest in the southern hemisphere

Crews are now retrieving the 1,200-tonne Tunnel Boring Machines (TBMs) that arrived beneath Westmead in September and October, lifting each machine ... More Information

Webuild: excavation begins on three tunnels for Salerno-Reggio Calabria HS/HC Railway

All four TBMs planned for Lot 1A Battipaglia–Romagnano section are operational with launch of latest three Joining TBM Partenope, already active, are Leucosia and Ligea, whose names were ... More Information

SELI Overseas: 75 Years of Tunneling with TBMs

From Channel Tunnel to the Brenner Tunnel: When Tunneling Is Synonymous with Innovation ... SELI TBM at work on the construction site... More Information

Road realignment is major step for HS2, says firm

HS2 Ltd A view of the realigned B4525 on an overcast day. · HS2 Ltd An aerial view of the construction of Greatworth tunnel showing major earthworks ... More Information

Amtrak has made real progress in East River Tunnel rehabilitation

The tunnel has been stripped down to the concrete liner. Westbrook was told the project isn't just about modernizing and replacing what was, but also ... More Information

Madrid invests EUR 123 million in new metro stations on Line 11

TBM Mayrit enters into action in 2026 · November 2025 – February 2026: assembly of the tunnel boring machine in Comillas Park (Carabanchel district) ... Facebook Twitter Flag as ... More Information

Jerusalem Light Rail Construction Advances Ahead of Major Tunnel Work

Local reporting on city project materials notes that “the plan calls for a 2-km underground tunnel to be built beneath the city center, including ... More Information

Why and how the Civil Works Alliance changed Sizewell C tunnel designs from Hinkley Point C

Ground conditions around Sizewell C have required intense collaboration between the project’s contractors alliance to come up with new outfall and intake tunnel design solutions... More Information

AI planning of the first railway tunnel through challenging terrain

AI plans first rail tunnel through tough terrain. Artificial Intelligence China Uses AI for the Construction of Railway Tunnels. 2025-12-08 ... More Information

Will Tunneling Projects Be The Next Big Thing For Mumbai's Public Transport?

During the interview, she also called tunnel boring machines the safest and one of the most efficient ways of doing tunelling. "Only the place of the ... More Information

Chipolbrok vessels deliver tunnel boring machines to Sydney and mineral bulk to Peru

Chipolbrok delivers TBMs for Sydney Metro on Chipolbrok Star and loads 29000t minerals in Peru on Taixing, showcasing fleet versatility... More Information

How Seequent's software solutions help to manage tunnelling data

The second phase of Singapore's Cross Island Line (CRL) metro project is under way, assisted by a suite of software from Seequent. Singapore's CRL is ... More Information

Muography to Transform Tunnel Safety Monitoring

Underwater bridge tunnels have become vital arteries for cities, enabling smooth vehicular passage beneath rivers, bays, and inland waterways. More than 200 of these structures operate ... More Information

10 longest tunnels in the world that reshaped global transportation

Modern tunnel construction involves sophisticated techniques, including tunnel boring machines and advanced geological surveying. The project ... More Information

Čučković: Construction of the tunnel boring machine for the Belgrade Metro in final phase

It is a good thing that we, for example, acquired these tunnel boring machines at a lower price than other countries... More Information

Serbia plans to borrow 2.5 billion EUR in 2026 for the construction of the Belgrade metro

It is also stated that two TBMs (tunnel boring machines), the so-called moles, have already been ordered and are expected to be delivered to ... More Information

VSM starts operation at Tilbury

The pioneering Vertical Shaft Sinking Machine (VSM) from Herrenknecht, named “Verena”, after Verena Holmes, a pioneering British mechanical ... More Information

Metrolinx reveals names of Ontario Line tunnel boring machines

Following a contest, Metrolinx has officially named its two massive tunnel boring machines Libby and Corkie... More Information

Montreal blue line metro tunnel boring machine has arrived, time to dig

It's basically building the backbone of the blue line extension,” said project chief Maha Clour, pointing out that crews have reached the bottom of ... More Information

Norway Unveils The World's Longest Road Tunnel In A Majestic Engineering Marvel

The construction cost broke down to about 38,000 NOK (roughly £3,500) per meter, an impressive figure considering the complexity and scale of the ... More Information

Sydney Metro West construction captured on video ahead of 2032 opening

Two giant tunnel boring machines have made their way through the deepest section of Darling Harbour as part of works on the new Metro West. More Information

Bengaluru's ₹18,000-crore tunnel road project inches closer as four major firms submit bids

Four firms bid for Bengaluru's ₹18000 crore tunnel project linking Hebbal to Silk Board, expected to ease city traffic by 2029 under a 34-year ... More Information

Webuild advances Rocchetta Tunnel excavation

Upcoming construction milestones. Webuild is preparing for the next major phase on the Apice–Hirpinia section: the launch of the reinforced concrete ... More Information

MMRDA plans 70-km underground tunnel road network across Mumbai

The project, being prepared in phases, will enhance multi-level connectivity and ease commuting. By KAILASH BABAR · Google preferences in ET Follow us ... More Information

Kathmandu-Tarai Expressway achieves 43.3% progress

The total length of the seven tunnels under the project is 10.979 km. ... Construction progress for the Chandram Bhir tunnel. (2,250 metres) has ... More Information

MMRDA plans 70-km underground tunnel road network across Mumbai

The project, being prepared in phases, will enhance multi-level connectivity and ease commuting. By KAILASH BABAR · Google preferences in ET Follow us ... More Information

Hong Kong: Robotics And AI Enhance Tunnel Construction

It is leveraging artificial intelligence (AI), robotics and automation to advance the Trunk Road T2 and Cha Kwo Ling Tunnel project. These ... More Information

Single-Bore Tunnel Method Chosen for BART Silicon Valley Phase II

This decision allows VTA to advance project design towards 60%, stay on a critical path to tunnel construction and meet the projected revenue service ... More Information

Boring Co. begins 'controlled blasting' for Nashville tunnel at TN capitol

The Boring Co. has started excavation work at a state-owned parking lot on Rose Parks Boulevard for the Music City Loop project Wednesday, Aug. 13, ... More Information

TBM arrives in Montreal for delayed metro extension project

A custom-built tunnel boring machine (TBM) has arrived in Canada for use on a 6km extension of the Montreal Metro... More Information

Spain Confirms Feasibility of €8.5 Billion Morocco-Europe Tunnel

The study was conducted by German company Herrenknecht, the world leader in tunnel boring machines, at the request of the Spanish government's ... More Information

TxDOT spends $748M to burrow bus-size tunnels under Central Austin

The first tunnel boring machine will be deployed near ... Industry experts say tunnel boring machines typically advance about 50 feet per day. More Information

6 TBMs on Duty on the 27-Kilometer Line in Körfezray

Two of the six Tunnel Boring Machines (TBMs) that will serve in the first 27-kilometer phase are actively excavating tunnels, while the ... More Information

Construction on HS2's Euston tunnel will start 'fairly soon', says rail minister

Construction on the HS2 tunnel from Old Oak Common station to Euston station will start “fairly soon”, the rail minister has said... More Information

Blue Line Extension TBM Arrives at Port of Montreal

Railway Track and Structures Construction site of the future Vertières station (Pie-IX) in June 2025. Caption and photo courtesy of STM. MONTREAL - The tunnel boring machine (TBM) ... More Information

Tunnel break through milestone for Mt Messenger Bypass project

A 110 tonne excavating machine, called Hinetūparimaunga, has broken through at the northern end of the project's 235 metre-long tunnel ... More Information

$3.9 billion tunnel and bridge link for VA

Costing around $3.9 billion, the Hampton Roads Bridge-Tunnel (HRBT) upgrade Expansion project for Virginia will improve traffic flow for a key ... More Information

Extended North Tunnel Flood Mitigation Project Receives $18.2 Million in State Funding

The funding advanced by the board includes a $17.2 million loan and $1 million grant for the construction of the mile-long tunnel, which will divert ... More Information

Gateway Project faces new uncertainty amid government shutdown

Federal funding for the $16B Hudson Tunnel Project, aka Gateway, has been paused during the government shutdown, sparking political backlash. More Information