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Milestone for NY subway

The construction of the 86th Street Station cavern of the Second Avenue Subway in New York has been completed this week. Work began in August of 2011. This project, valued at EUR272 million ... More Information

A toast to our followers!

The management and staff at tunnelbuilder ltd send greetings and good wishes to all our readers and clients around the world at this festive time. While the international financial news has not ... More Information

Muhlhauser acquires Obermann

Muhlhauser acquires Obermann

Obermann becomes the first acquisition in the 100-year history of Muhlhauser, the Germany-based global market leader in tunnelling logistics. Read the press release and visit www.khmte.com. ... More Information

Terratec TBM for Laos

Terratec TBM for Laos

Terratec, after a successful test on 06.12.2014, has delivered a new Double Shield TBM to Seli Overseas S.p.A. of Italy, the tunnelling subcontractor for the Xe-Pian Xe-Namnoy Hydropower Project, ... More Information

Robust Robbins EPB for Seattle

Robust Robbins EPB for Seattle

On 17.11.2014 the 6.65 m-diameter Robbins TBM EPB began its journey south into the city of Seattle, Washington, USA. The machine, for contractor JCM North Link LLC (a JV of Jay Dee, Coluccio, and ... More Information

Sydney’s WestConnex motorway

Sydney’s WestConnex motorway

The WestConnex motorway is an EUR7.41 billion, 33 km continuous motorway which links Sydney’s west and south-west with the CBD (Central Business District), Sydney Airport and Port Botany ... More Information

Tunnelling/pipejacking engineers wanted

International recruitment specialist iPS is seeking engineers to fill a range of positions on a project commencing early next year in Melbourne, Australia. Click below for more, and visit ... More Information

Robbins webinars on record

Robbins webinars on record

Robbins have completed their very successful webinar series for 2014 and are making recordings available to tunnelbuilder readers until the end of the year. Click here for access and visit ... More Information

New Putzmeister scissor lift

New Putzmeister scissor lift

Putzmeister has announced Minelift 4 scissor lift platform with lifting height 4 m and 4 t load capacity for underground use. The machine is suited to both personnel and equipment lifting. Read the ... More Information

Six tunnels under Suez Canal

The EUR6.58 billion New Suez Canal Project features a new 72 km-length parallel branch of the 190 km-long Suez Canal from Deversoir to al-Balah which will cost EUR3.22 billion and six new tunnels to ... More Information

Intertunnel Russia

Intertunnel Russia

Intertunnel 2015, the 7th edition of the International Tunnelling Exhibition, will take place at the VDNKh in Moscow from 27 to 29 April, 2015. In a country as vast as Russia, tunnels are playing ... More Information

Opportunities at Fehmarnbelt tunnel

Another opportunity will occur for sub-contractors when Femern A/S offers two more major contracts in December, 2014. These concern the electrical and mechanical installations to be fitted inside ... More Information

Normet new generation

Normet new generation

Normet is introducing its latest generation of underground equipment at Bauma China in Shanghai. Apart from being endowed with improved overall ergonomics, the new machines are ready for Industrial ... More Information

Erbil to Haji Omaran

The Ministry of Housing and Reconstruction (MOHR) is building a dual carriageway connecting Erbil to Haji Omaran in Kurdistan, Iraq. The project comprises two main sections. The first 8.822 km ... More Information

Big auction in Caorso

Big auction in Caorso

Ritchie Bros’ upcoming auction in Caorso, Italy on 04.12.2014 currently features more than 1,400 heavy equipment items, tractors and trucks. All items will be sold to the highest bidders on ... More Information

Breakthrough in Paci tunnel

Breakthrough in Paci tunnel

On 06.11.2014, construction of the 1.7 km-long Paci tunnel was completed on the southbound carriageway of Italy’s A3 motorway, between Scilla and Campo Calabro. It is the longest tunnel among ... More Information

Managers sought by iPS

International recruitment specialist iPS is seeking qualified and experienced managers to fill the following tunnelling vacancies: 00542 Planning manager ... More Information

Montenegro highway financed

Montenegro highway financed

On 30.10.2014 the loan agreement was signed between Montenegro and the Chinese Exim Bank on financing construction of the first 41 km-long section Smokovac-Uvce-Matesevo of the 169.2 km-long ... More Information

Frejus tunnel holed

Frejus tunnel holed

On 17.11.2014 the TBM completed the 12,878 m emergency tunnel parallel to the existing Frejus tunnel (T4) and arrived at Bardonecchia, Italy, where it will be dismantled during the next three ... More Information

APAC conference

APAC tunnels and bridges conference will take place in Kuala Lumpur, Malaysia 15-16th April, 2015. Click for conference agenda. More from roohi.taragi@fleminggulf.com. 47/14. More Information

Ritchie Bros’ Caorso auction

Ritchie Bros’ Caorso auction

Ritchie Bros will hold an unreserved public auction of plant and equipment at their premises in Caorso, Italy on 04.12.2014, where some 900 plant items will be for sale. Click here and visit ... More Information

Guidance systems news from PPS

Guidance systems news from PPS

At Poltinger Precision Systems we strive every day to improve both ourselves, and our products. To suit our customers’ needs, and to implement their ideas for an even better PPS Guidance ... More Information

Val di Sambro holing

Val di Sambro holing

On 08.11.2014 breakthrough was achieved on the 3.9 km-long Val di Sambro tunnel on A1, between Firenze and Bologna. The contract was awarded to the JV Vianini Lavori/Toto/Profacta. Click it/21 ... More Information

Milan M4 metro update

On 11.11.2014 the final breakthrough in the first tunnel of Milan's M4 metro occurred at the Forlanini FS site. Excavations began last April, and to date 65 percent of the contract for the ... More Information

Meyco Versa launch

Atlas Copco has introduced its Meyco Versa mobile shotcreting unit suited to mid-size tunnels. Read the press release and contact michael.seitz@ch.atlascopco.com. 46/14 More Information

TBM turnaround at Waterview

TBM turnaround at Waterview

On 29.09.2014 the TBM Alice completed the southbound tube of the 2.4 km Waterview tunnels from Owairaka to Waterview. The tunnels will connect Auckland's Southwestern and Northwestern motorways. At ... More Information

Acimex segment handling at Riyadh metro

French manufacturer Acimex supplies vacuum devices for the handling of precast concrete segments in tunnels. Acimex vacuum erector and segment trolley will be used in the 10.16 m-diameter EPB ... More Information

Crossrail progress

Crossrail progress

On 20.10.2014 TBM Ellie finished her journey at Victoria Dock Portal in east London, completing the 900 m drive from Limmo Peninsula, near Canning Town, to Victoria Dock Portal in just six weeks, at ... More Information

Grand St Bernard safety tunnel

Grand St Bernard safety tunnel

On 20.10.2014 construction of Grand St Bernard safety tunnel (GSS) restarted, following agreement with the old contractor JV Condotte that only 11 of 23 cross passages originally intended will be ... More Information

Terratec milestones in Delhi

Terratec milestones in Delhi

Eight Terratec 6.52 m-diameter EPBs are at work on Delhi Metro Phase 3. During the last two months, four significant breakthroughs have been recorded, and another 14 will be accomplished during the ... More Information

Gotthard track installed

Gotthard track installed

On 31.10.2014, installation of the non-ballasted track was completed in the Gotthard Base Tunnel. General contractor Transtec Gotthard, at a distance of around 54 m from the south portal, cast the ... More Information

tunnelbuilder team at China Bauma

Shanghai is a long way to go for a show, and Werner is the lucky member of tunnelbuilder team to make the journey. China Bauma runs from November 25-28, and Werner will be most pleased to meet old ... More Information

Robbins Webinar

Robbins Webinar

The link for the upcoming Robbins Webinar on 18th November dealing with On-site First Time Assembly has changed to http://bit.ly/RobbinsOFTAWebinar. Questions for the discussion should be addressed ... More Information

Frejus safety tunnel progress

Frejus safety tunnel progress

On 17.11.2014, TBM Anna will break through after 300 days of work on the Frejus safety tunnel, completing construction. Mechanized excavation of Lot 2 started at the Italian end on 01.07.2013, ... More Information

Forrestfield Airport Link

The Forrestfield Line will integrate with the existing rail network in Perth, Australia and deliver an 8.5 km-long rail extension from the Midland Line east of Bayswater to Forrestfield via Perth Airport; three new stations, Airport West and Forrestfield and Consolidated Airport; and expanded and new bus feeder services. More Information

Isarco River Underpass

Consortium Salini Impregilo/Strabag has agreed with client BBT SE to start construction of the EUR300 million Isarco River Underpass, part of the southern lot of the Brenner Base Tunnel located in ... More Information

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