Tunnelbuilder Promoting the world's tunnelling industry to a huge qualified audience

View the Spanish Tunnelbuilder website View the Italian Tunnelbuilder website

Archive - News

Featured News

SELI TBM Breaks Through Dai Ninh Headrace Tunnel in Vietnam

SELI TBM Breaks Through Dai Ninh Headrace Tunnel in VietnamAfter 20 months of work on the headrace tunnel of the Dai Ninh hydropower project, Cavico Corporation announced that the tunnel has ... More Information

NFM Technologies Pockets Major Contract for Six TBMs in China

NFM Technologies Pockets Major Contract for Six TBMs in ChinaNFM Technologies, affiliated to Wirth, has won an order for the supply of six slurry Benton'air® type TBMs to China. The contract is ... More Information

BASF Acquires Degussa Construction Chemicals to Create New Innovative Potentials

BASF Acquires Degussa Construction Chemicals to Create New Innovative PotentialsBASF acquired the global construction chemicals business of Degussa, with effect from 30th June, 2006 and ... More Information

Launch Ceremony of World's Largest Hard Rock TBM at Niagara Falls in Ontario

Launch Ceremony of World's Largest Hard Rock TBM at Niagara Falls in OntarioA ceremony was held on 8th August, 2006 to celebrate the official start up of the largest hard rock TBM in existence ... More Information

NYC Completes Excavation of Third Water Tunnel

NYC Completes Excavation of Third Water TunnelMayor of New York City Michael Bloomberg turned off on 9th August, 2006 a tunnel boring machine and announced that the excavation of Stage 2, or ... More Information

Atlas Copco Secoroc Dresses in Yellow

Atlas Copco Secoroc Dresses in Yellow As of 15th August, 2006 all Atlas Copco Secoroc rock drilling tools delivered will be dressed in yellow. This is yet another step in strengthening ... More Information

Robbins TBM Starts Pinglu Tunnel in China

Robbins TBM Starts Pinglu Tunnel in ChinaA launch ceremony of a Robbins TBM was held on 12th July, 2006 in Souzhou in China's Shanxi province to celebrate the start of the 25.15 km-long Pinglu ... More Information

Herrenknecht to Supply TBM for Castle Peak Cable Tunnel in Hong Kong

Herrenknecht to Supply TBM for Castle Peak Cable Tunnel in Hong KongThe Castle Peak cable tunnel project was awarded by CLP Power Hong Kong Ltd to Dragages Hong Kong Ltd on 30th November, 2005. ... More Information

Fire Fighting Systems For Tunnel Boring Machines

Fire Fighting Systems For Tunnel Boring MachinesHall and Kay Fire Engineering Ltd have recently been awarded a major contract by Herrenknecht for fire fighting systems on a 180 m-long machine to be ... More Information

Tunnelling Ends on Metro Project in Lausanne

Tunnelling Ends on Metro Project in LausanneThe final milestone has been reached on the M2 metro line in Lausanne, Switzerland when two teams of tunnellers made the junction at a 136 m-long ... More Information

World's Biggest TBM Finishes Boring in Madrid

World's Biggest TBM Finishes Boring in Madrid 'Dulcinea', the world's biggest TBM featuring a 15.2 m diameter and a power of 22,000 kW, has completed its job in record time. Machine ... More Information

Boring Begins on the San Vicente Pipeline Project

Boring Begins on the San Vicente Pipeline ProjectA Robbins hard rock main beam TBM began boring a section of the San Vicente pipeline in San Diego, California on 21st June, 2006. The 3.5 ... More Information

Lake Hodges-Olivenhain Reservoir Water Tunnel Nears End

Lake Hodges-Olivenhain Reservoir Water Tunnel Nears EndA water tunnel to link Lake Hodges and Olivenhain Reservoir is built by Kiewit Pacific Co. for the San Diego County Water Authority ... More Information

Fifth and Last TBM Launch at Pajares

Fifth and Last TBM Launch at PajaresThe fifth of the five TBMs needed to dig the 2 x 24.7 km Pajares tunnel commenced on 10th July, 2006 from the Asturias side. That TBM has been produced at ... More Information

Second Islisberg Tunnel Breaks Through

Second Islisberg Tunnel Breaks ThroughA Herrenknecht tunnel boring machine (machine S-256) holed through on 12th July, 2006 the 4,645 m-long east tube of the Islisberg tunnel in Zurich, ... More Information

Tunnelling of Maurice Lemaire Safety Tunnel Ends

Tunnelling of Maurice Lemaire Safety Tunnel EndsMore than fifteen months have been necessary for a Herrenknecht gripper TBM, christened 'Cynthia' in December 2004, to complete a 6,226 m-long ... More Information

Line C Extension of Prague Metro Makes Headway

Line C Extension of Prague Metro Makes HeadwayThe extension of Line C in Prague from Ladvi to Letnany (4,602 m, whereof 2,360 m in mined tunnels, with stops in Strizkov, Prosek and Letnany) is built ... More Information

Repairing the Montblanc Tunnels on the Lleida-Barcelona High Speed Link

Repairing the Montblanc Tunnels on the Lleida-Barcelona High Speed LinkThe Camp Magre, Lilla and Puig Cabrer tunnels are situated on subsection lV-b (for the first two) and V on the ... More Information

Putzmeister Ibérica Markets Vacuum Cleaner for TBMs

Putzmeister Ibérica Markets Vacuum Cleaner for TBMsSpain is the world's first market in terms of the number of tunnel boring machines in activity at the moment. At least 25 TBMs were working ... More Information

Third TBM Starts Boring on Line 9 in Barcelona

Third TBM Starts Boring on Line 9 in BarcelonaTunnelling on the future Line 9 of Barcelona's metro, an infrastructure that will cross Barcelona connecting Badalona and Santa Coloma de ... More Information

Chicago Finishes Deep Tunnel

Chicago Finishes Deep TunnelAfter 30 years and more than USD3 billion, the 176 km of tunnels were completed recently when the 12.9 km Little Calumet leg near Calumet City, Lansing and South ... More Information

Lovat TBM Starts Canada Line in Vancouver

Lovat TBM Starts Canada Line in VancouverA Lovat TBM, nicknamed 'Sweet Leilani', was launched with champagne on 10th June, 2006 at an official ceremony at the future False Creek South station ... More Information

Robbins Signs Contract for Very Long Water Tunnel in India

Robbins Signs Contract for Very Long Water Tunnel in IndiaJaiprakash Associates Limited (JAL) has signed contracts with Robbins for the AMR project in Andhra Pradesh, India on 26th May, 2006. The ... More Information

Eiksund Tunnel Sets New Record

Eiksund Tunnel Sets New RecordThe 7,765 m-long Eiksund tunnel in Norway has set a new world record when the deepest point excavated so far (-266 m below sea level) was reached on 31st May, ... More Information

Hsuehshan Tunnel Opens in Taiwan

Hsuehshan Tunnel Opens in TaiwanThe 12.9 km Hsuehshan, or Snow Mountain, tunnel has opened to traffic on 16th June, 2006 in eastern Ilan county, Taiwan. It is the longest road tunnel in Asia ... More Information

Robbins Readies TBMs for Capilano-Seymour Water Scheme in Vancouver

Robbins Readies TBMs for Capilano-Seymour Water Scheme in Vancouver Deployment of the first of two Robbins tunnel boring machines represents a significant step in construction of the ... More Information

Double Breakthrough with Two Lovats in Bologna

Double Breakthrough with Two Lovats in Bologna Sergio Cofferati, the mayor of Bologna, and Elio Catania, the president and CEO of the Italian railways, presided on 31st May, 2006 the ... More Information

Norway Builds SILA Project

Norway Builds SILA Project Sweden's LKAB supplies highly upgraded iron ore products to the steel industry and custom-adapted mineral products to other industrial sectors. Most of LKAB's ... More Information

Chilean President Michelle Bachelet Kicks off San Cristobal Tunnel at Groundbreaking Ceremony

Chilean President Michelle Bachelet Kicks off San Cristobal Tunnel at Groundbreaking CeremonyChilean president Michelle Bachelet, minister of public works Eduardo Bitran, and Karl Traub, ... More Information

Flood Relief Tunnel Starts in Paris

Flood Relief Tunnel Starts in ParisAn impressive tunnel boring machine commences to work at the Ivry-Massena tunnel (TIMA) in Paris. Its mission is to dig Europe's biggest and deepest ... More Information

Last Breakthrough in the Uetliberg Tunnel with Tunnel Bore Extender Using Undercutting Technique

Last Breakthrough in the Uetliberg Tunnel with Tunnel Bore Extender (TBE) Using Undercutting TechniqueOn 18th May, 2006 the Uetliberg tunnel construction crew celebrated the TBE's last ... More Information

Katschberg Tunnel Breaks Through in Austria

Katschberg Tunnel Breaks Through in AustriaThe 5,414 m Katschberg tunnel on the A10 Tauern motorway connects Salzburg with Carinthia. It is a single bored tunnel and for obvious safety ... More Information

World's Largest TBM Ready to Cross the Yangtze in Shanghai

World's Largest TBM Ready to Cross the Yangtze in ShanghaiAt the end of April 2006, Herrenknecht handed over the first tunnelling machine with a diameter of 15.43 m to the Chinese client ... More Information

Angela Merkel Inaugurates New Central Station and Tunnel in Berlin as Germany Hosts World Cup

Angela Merkel Inaugurates New Central Station and Tunnel in Berlin as Germany Hosts Football World Cup Berlin inaugurated its new central station on 26th May, 2006. The new station is ... More Information

Nordoya Tunnel Opens in Faroe Islands

Nordoya Tunnel Opens in Faroe IslandsThe 6.2 km Nordoya subsea tunnel opened on 29th April, 2006 in the Faroe Islands, three months ahead of schedule. This is a single-tube dual-lane tunnel, the ... More Information

First Sections of Variante di Valico to Open Soon

First Sections of Variante di Valico to Open SoonThe upgrading project of the Apennine section between Sasso Marconi and Barberino di Mugello, first designed in 1993 and revised in 1999, goes from ... More Information

Tunnelling News

Around 75 tunnel projects worth Rs 49K cr under construction in India

Around 75 tunnel NHAI projects entailing investment of Rs 49,000 crore are under construction in the country, Union Minister Nitin Gadkari said. More Information

HS2: Final TBMs readied for drive to Euston

Two TBMs that will dig High Speed 2's 7.2km long twin bore Euston tunnel are being readied for their drive at Old Oak Common station. More Information

Spain to study seismic risks for Gibraltar tunnel project linking Morocco

Spain's Ministry of Transport and Sustainable Mobility is moving forward with a seismic study for the proposed tunnel that would link Morocco and ... More Information

Excavation Progresses for the Ontario Line Project

A 16-meter-deep launch shaft marks the starting point for two tunnel boring machines (TBMs) set to create twin tunnels extending approximately 6 ... More Information

Record-breaking open-type TBM rolls off production line

An open-type rock tunnel ... tunnel diameters and numerous fault zones. The project faces multiple construction challenges, including rock bursts and ... More Information

State builders speed up undersea tunnel work

The tunnel will be 17.48 kilometers long, marking a new milestone in China's construction prowess, said Liu Aiwu, CREC4 project manager of the No ... More Information

Spain - Awarded contract for  improving energy efficiency in Pilar de la Horadada tunnel

The company San Jose SA from Tres Cantos (Spain) secured the EUR2.93 million contract, excluding VAT, for compliance with Royal Decree 635/2006 and for improving energy efficiency ... More Information

East West Rail between Bedford and Cambridge to include new tunnels

15 November, 2024 By Thames Menteth Revised proposals for the East West Rail scheme’s section between Bedford and Cambridge include a new section of railway, as well as new stations and ... More Information

Amtrak's $1.6B East River Tunnel Rehab Work Contractors Get Notice to Proceed

Amtrak's $1.6-billion East River Tunnel Rehabilitation Project in New York is advancing after construction manager STV Inc./Naik Consulting Group ... More Information

Tunnel Boring Machine for National Grid's VIP project in Eryri set to arrive in North Wales

National Grid is reaching a major milestone on the Eryri Visual Impact Provision (VIP) scheme with the arrival of its Tunnel Boring Machine (TBM) to ... More Information

Tunnel boring machine hits major milestone on Snowy 2.0 project

The Snowy 2.0 pumped-hydro megaproject recently marked a significant milestone, with one of three tunnel boring machines (TBM), Lady Eileen Hudson ... More Information

Morocco-Spain Underwater Tunnel Plans Move Forward with Renewed Focus

Discover the ambitious Morocco-Spain Underwater Tunnel project, set to connect continents in under 30 minutes and revolutionize travel between ... More Information

Alaska Transportation Department to spend $1 million on Knik Arm tunnel study

The results of the feasibility study will give us a better picture of how the project could be constructed, potential costs, and financing options,” ... More Information

Extra tunnels included in £6bn East West Rail scheme

Bowing to pressure to reduce the project's environmental impact two tunnels are now proposed for the new stretch of railway in Cambridgeshire. Design ... More Information

Balfour Beatty VINCI reaches halfway point on key HS2 'green tunnel'

As well as Burton Green, green tunnels will be constructed at Copthall in Hillingdon, Wendover in Buckinghamshire and Chipping Warden and Greatworth, ... More Information

Webuild-led consortium confirmed for US$1.1 billion tunnelling work

Webuild-led consortium confirmed for US$1.1 billion tunnelling work (US$1.1 billion) tunnelling package on the Suburban Rail Loop (SRL) East public transport project to a consortium of ... More Information

Balfour Beatty snares $746M I-35 rebuild in Texas

The London-based contractor will reconstruct 2.5 miles of the highway through downtown Austin and build a link to the future light rail line. AECOM-Jacobs JV signs on to $6B Amtrak tunnel ... More Information

Metro Vancouver digs water tunnel designed to withstand 'the big one' under Fraser River

Crews have begun construction on a new $450-million water supply tunnel between New Westminster and Surrey designed to withstand a major earthquake. More Information

Longest tunnel in Poland begins construction

The project, managed by the Polish company Budimex and Turkish Gülermak, includes 10 viaducts and 12 bridges. This unprecedented investment will ... More Information

Watercare Passes Key Milestone On $300M Programme To Improve Wastewater Services

Watercare and McConnell Dowell celebrate Piper's final breakthrough. On Sunday (subs note: November 10), Piper – a tunnel-boring machine – completed ... More Information

Tutor Perini Scores Contracts

The tunnel project includes the construction of two new shafts connecting to the surface and the use of a tunnel boring machine. The completed ... More Information

Bengaluru Metro completes tunnelling for longest underground line

The final breakthrough came from Bhadra, the last Tunnel Boring Machine (TBM) deployed, which completed a 937-meter stretch from K G Halli to Nagawara ... More Information

Eastern Freeway Upgrade preferred bidders confirmed

Tunnel boring is currently underway on the North East Link project, with machines currently digging under Yallambie. Federal Minister for ... More Information

Bengaluru civic body completes DPR for 18-km underground tunnel road network

Designed to ease Bengaluru's notorious traffic congestions, the project will deploy six massive Tunnel Boring Machines (TBMs) with a diameter of 14.7 ... More Information

Frontier-Kemper Awarded $1.1 Billion Kensico-Eastview Connection Tunnel Project

Frontier-Kemper Awarded $1.1 Billion Kensico-Eastview Connection Tunnel Project for New York City Department of Environmental Protection... More Information

Assam's first underwater tunnel: CM Himanta Biswa Sarma says DPR nears completion

Assam Chief Minister Himanta Biswa Sarma announced that the Detailed Project Report (DPR) for the Gohpur-Numaligarh tunnel project is almost ... More Information

The Tunnel Vision: A look at California's $20B plan to solve to the state's water crisis

Minassian describes the process, locations and implications of the operation using four tunnel boring machines. READ STORY | HEAR PODCAST. PART 3 ... More Information

Ruby deployed for final Metro West tunnel beneath Sydney Harbour

Tunnel boring machine (TBM) Ruby has begun carving out the final section of tunnel for the Sydney Metro West project. More Information

Photos: Inside the $250 Million Tunnel Being Constructed Under Columbus

Located at an average depth of 50 feet underground, the 12-foot-diameter tunnel has been under construction since early 2021. By the time it is ... More Information

Tideway: £4.5bn ‘super sewer’ begins to protect Thames as first 4 sites activated

The Thames Tideway Tunnel has commenced operation as the first four of 21 sites have been switched on. This means that, after eight years of construction, the 25km £4.5bn “super sewer” has ... More Information

Lowest bidder emerges for Dubai Metro Blue line

Dubai’s Roads & Transport Authority (RTA) opened bids from contractors for the contract to design and build Dubai Metro’s Blue Line on 8 October. The group of China Tiesiju Civil ... More Information

Sanya River estuary passage project makes steady progress

A drone photo shows the construction site of the Sanya River estuary passage project in Sanya, south China's Hainan Province, Oct. 12, 2024. The Sanya River estuary passage project ... More Information

Mumbai Metro 3: Breaking Ground, Defying Odds

Two tunnels for the 33.5-km corridor (Colaba to Aarey), totalling 55 km, were carved out, using 17 Tunnel Boring Machines (TBMs). Certain sections ... More Information

VIDEO: Drone fly through inside new HRBT tunnel

We can't fly you to the moon, but we can fly you through the new #HRBTExpansion tunnel. Drone video gives you a quick glimpse into the... More Information

Skanska receives Innovate UK funding to accelerate decarbonisation of concrete

Our Skanska Costain STRABAG JV has secured funding to trial repurposed London Clay as a low carbon alternative to cement... More Information

Longest Tunnel in the World Entering Final Phase Underneath Newburgh

Repair Plans for the Delaware Aqueduct in Wawarsing and Newburgh, NY. The plan for repairs involved the construction of a 2.5 mile bypass tunnel ... More Information

Two TBM's break through

Two TBM's break through. Joshua Farrell ... tunnelling segments to line the new tunnel walls. Work inside the ... More Information

Texas A&M eyes Elon Musk's Boring Company for tunnel system

A&M officials have conducted a feasibility study with positive results, but they have yet to talk with Musk about the project, Chief Operating Officer ... More Information

Construction Begins on £1.8bn Underwater Tunnel Under Panama Canal

The tunnel is part of Panama's Metro Line 3 monorail project, designed to ease traffic congestion in the metropolitan area. tunnel boring machine... More Information