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

Jacon at Waterview, NZ

Jacon at Waterview, NZ

The 2.4 km-long Waterview Connection in Auckland, New Zealand will connect two existing motorways. It is being driven by TBM, supplied around the clock by Jacon MSVs, each carrying a complete 90 t ... More Information

Normet beefs up in A-P

Normet beefs up in A-P

Normet has strengthened both its Australian and Asia-Pacific regional operations with the appointment of Neil Fitzmaurice as managing director and John Gelson as his manager of ground control and ... More Information

Blue Plains holing

In early July, 2015 Herrenknecht TBM Lady Bird completed the 7.24 km-long Blue Plains Tunnel that will be used to help improve the water quality in the Anacostia River in Washington DC, US. Blue ... More Information

EuroTAP 2015 reports

The results of EuroTAP tests overseen by the German Automobile Club, ADAC, together with its partner clubs: ACI in Italy, OEAMTC in Austria, and TCS in Switzerland have been published. The 2015 ... More Information

Jaime Ibarra joins Normet in North America

Jaime Ibarra joins Normet in North America

Jaime Ibarra is the new TBM Technical Manager – Americas in Normet. He’ll lead Normet’s North and Latin American teams into the fast growing market of TBM related construction ... More Information

Robbins at Moscow metro

Robbins at Moscow metro

On 15.07.2015 Robbins EPB Elena completed excavation of the 1,710 m-long left-hand tunnel for the Moscow Metro Second Circle line (Third Interchange Circuit) and arrived in the future 65 m-deep ... More Information

SR99 schedule revision

SR99 schedule revision

Seattle Tunnel Partners has begun installing a new main bearing on the SR 99 TBM with a view to restarting tunnelling next November. Tunnelling will take a year to complete, with the tunnel now ... More Information

Northgate Link TBMs advance

In Seattle, US, TBM Pamela has arrived at Roosevelt Station and TBM Brenda is expected at U District Station in early-Autumn. On 13.07.2015  the Robbins EPBM Pamela arrived at the ... More Information

Midtown tunnel connection

Midtown tunnel connection

On 14.07.2015 the last tunnel element of the new Midtown Tunnel connecting the shorelines of Portsmouth and Norfolk was immersed. The design-build contractor, SKW Constructors (a joint venture of ... More Information

Terratec raise borer for China

Terratec raise borer for China

Terratec has successfully completed the factory testing and delivery of a new TR3000 Raise Boring Machine. The destination of the machine is in the Chinese Province of Yunnan, where the main mineral ... More Information

Patnitop holes out

On 13.07.2015 the National Highway Authority of India (NHAI) achieved an important milestone with the breakthrough of the 9 km-long Patnitop tunnel between Chenani and Nashri in the State of Jammu ... More Information

Bekaert Maccaferri now sponsors tunnelbuilder

Bekaert Maccaferri Underground Solutions, a newly created joint venture, has taken up sponsorship of tunnelbuilder.com to promote their smart reinforcement solutions for underground ... More Information

Riyadh metro start

Riyadh metro start

On 08.07.2015 the TBM Jazlah (diameter 10 m, weight 700 t) started driving the 5.8 km-long tunnel of the 41.2 km Orange Line of the Riyadh Metro. The contractor, ArRiyadh New Mobility Consortium ... More Information

Sandvik at NorthConnex

Sandvik is supplying thirteen roadheaders to the NorthConnex highway tunnel project in Sydney, Australia. Read the press release and visit www.construction.sandvik.com. 28/15. More Information

Robbins in Honolulu

Robbins in Honolulu

As of June, 2015 the Robbins 3.96 m-diameter Main Beam TBM has excavated more than 300 m for the 4.8 km new sewer tunnel in Kaneohe, Honolulu, Hawaii, US. The machine, nicknamed Pohakulani in ... More Information

Pink Line success

Last 11.06.2015 the Delhi Metro Rail Corporation (DMRC) in India completed the 1,565 m-long TBM tunnel at Lajpat Nagar from South Extension, part of the Pink Line or Line 7 from Majlis Park to ... More Information

Mount Kop on schedule

At the end of June, 2015 the drill/blast construction of the 6.5 km-long twin-tube Mount Kop tunnel, between Maden, Bayburt in the northwest in Black Sea Region, and Aşkale, Erzurum, in the ... More Information

Robbins’ Webinar Recording

Robbins’ Webinar Recording

The Robbins Company invites you to watch a recording of their June, 2015 webinar titled "Fast Track Your Mine with Proven TBM Technology" led by Ryan Gratias, Project Engineer at Robbins and Adam ... More Information

Namma Metro progress

The Phase-1 network of Namma Metro in Bangalore, India consists of two corridors: East-West Purple Line, 18.1 km-long; and North-South Green Line, 24.2 km-long. The two corridors intersect at ... More Information

Slovakia’s Visnove underway

Slovakia’s Visnove underway

On 09.06.2015, excavation of the first 100 m (west and east portal) was reported of the 7.5 km-long Visnove twin-tube tunnel that will become the longest in Slovakia. The tunnel is part of the ... More Information

Underground Construction 2016

Conference to be held in Prague, Czech Republic, May 23-25th. Abstract submission deadline: September 30, 2015. Guidelines and on-line abstract submission form are available at ... More Information

World Mining Congress 2016

The 24th edition of the WMC (World Mining Congress) will be held in Rio de Janeiro, Brazil from 18-21st October, 2016. The event will focus on Mining in a World of Innovation and it will bring ... More Information

Helsinki Metro extension

Helsinki Metro extension

The metro in the Helsinki metropolitan area is set to continue from Ruoholahti via Lauttasaari to Espoo. In the first phase, a 14 km-long rail line from Ruoholahti to Matinkyla will be ... More Information

Complimentary Robbins webinar

‘Fast track your mine with proven TBM technology’ is the title of the upcoming 60-minute Robbins webinar on Wednesday 24th June with recorded broadcast the following day More Information

Ceneri base tunnel late

AlpTransit Gotthard has decided not to try to recover the 12 months lost during a legal dispute about the contracts awarded for the Ceneri Base Tunnel railway system More Information

WTC2016 abstracts

WTC 2016 will take place on April 22-28, 2016 in San Francisco, US. Deadline for abstract submission: 30.06.2015 More Information

Lyon-Turin investment

On 12.06.2015 Hubert Du Mesnil and Mario Virano, respectively President and General Manager of Telt (Euralpin Tunnel Lyon Turin), at the meeting "Preparing the future economic exchanges” held ... More Information

M4 East tunnels design

The Australian and NSW Governments have announced the preferred design for the M4 East tunnels to run under Parramatta Road More Information

Qatar breakthrough

On 11.06.2015 Qatar Railways Company (Qatar Rail) announced the breakthrough of its TBM Al Mayeda at Msheireb station after having driven 1.6 km of tunnel More Information

Chenani-Nashri update

Completion of the 9 km bi-directional Chenani-Nashri tunnel in the Jammu & Kashmir (India) will be delayed by two months until July, 2016 More Information

Terratec in Bangkok

A Terratec 6.44 m-diameter EPBM has successfully broken through into Sanam Chai station on the Bangkok, Thailand metro after a 2.8 km drive through complex geology More Information

Gotthard countdown

Gotthard countdown

On 08.06.2015 Federal Councillor Doris Leuthard, following the beginning of the countdown to the opening of the Gotthard base tunnel a week ago in Lucerne, took the opportunity of the Swiss day of transport and energy at Expo Milan to give the international starting signal More Information

Robbins webinar 2-2015

The Second Robbins webinar of the year is scheduled for 24th June, 2015. Webinar Details: Title: Fast-Track Your Mine with Proven TBM Technology Date: Wednesday, June 24th Time: 13:00 PST, 16:00 EST, 06:00 AEST Duration: 1 hour total Registration Link: http://bit.ly/TBMMining1 More Information

Crossrail - Celebrated Completion of tunneling marathon

Crossrail - Celebrated Completion of tunneling marathon

On 04.06.2015, Prime Minister David Cameron and Mayor of London Boris Johnson celebrated the completion of the Crossrail tunnels. The tunnelling marathon under London began in May, 2012 and ended at Farringdon with the arrival of TBMs Victoria on 26.05.2015 and Elisabeth on 11.05.2015. More Information

Sandvik newsletter

The latest newsletter from Sandvik Construction is now online. More Information

Gotthard opens next year

On 01.06.2015 in Lucerne, Switzerland transport minister Doris Leuthard started the countdown to the opening ceremony of the 57 km-long Gotthard base tunnel. The official state occasion will take ... More Information

Tunnelling News

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

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