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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

Robbins Crossover TBMs

Robbins has announced its new Crossover Series of TBMs, a line of field-tested, rugged Dual Mode-type machines. Crossover TBMs feature aspects of two TBM types, and are ideal for mixed ground ... More Information

Normet concrete sprayer

Normet concrete sprayer

Normet introduced its new concrete sprayer Spraymec 5070 VC with Tier 4 Final (Stage IV) engine at the Euro Mining exhibition in Tampere, Finland on 20-21 May. The Spraymec 5070 VC is designed for ... More Information

Toyo tunnel funding

Toyo tunnel funding

The Toyo tunnel project in Colombia involves the construction of a new 39 km road between Santa Fe de Antioquia and Canasgordas with 16 km in tunnels, of which the 9.8 km-long Toyo tunnel will be ... More Information

TBM Elizabeth reaches Showground

TBM Elizabeth reaches Showground

In Sydney, Australia, TBM Elizabeth at the North West Rail Link has broken through into the new Showground Station site. Showground station is being built underground with platforms about 20 ... More Information

RETC 2015

The 2015 Rapid Excavation and Tunneling Conference (RETC) will be held on June 7-10, 2015 at Sheraton New Orleans, 500 Canal Street, New Orleans. RETC will include a technical program, short ... More Information

Ultimate all-round jumbo

Ultimate all-round jumbo

Sandvik presented its DT922i at the recent WTC in Dubrovnik as a fully automated electrohydraulic two boom tunnelling jumbo on a new articulated carrier. Read the press release and visit ... More Information

Industrial Patent granted to Fama

Industrial Patent granted to Fama

During WTC2015 at Dubvronik, Fama revealed that the Italian Ministry for Economic development has recognized their original contribution to technical evolution in underground sealing technology by ... More Information

Strategic function of alpine tunnels

An international conference on the strategic function of alpine tunnels will be held in Rome 22-23rd October, 2015. All interested authors are invited to send an abstract in order to exchange ... More Information

Expotunnel Milan 2015

ExpoTunnel and the Italian Tunneling Society, for EXPO 2015, will organize an International Conference about tunnelling on 8-9th October, 2015 in the Milan Leonardo da Vinci Museum of Science ... More Information

Systemair fans for fjord tunnels

Systemair fans for fjord tunnels

Systemair Norge has supplied 88 new Mojet® fans for upgrading the ventilation system in Byfjord tunnel (5,875 m length and 223 m below sea level) and Mastrafjord tunnel (4,424 m ... More Information

Eleven Qatar contracts awarded

Eleven Qatar contracts awarded

On 10.05.2015 Ashghal, the Qatar Public Works Authority, announced the award of 11 contracts for infrastructure projects under the Inner Doha Resewerage Implementation Strategy (IDRIS), and the ... More Information

Super accurate drilling from Sandvik

Super accurate drilling from Sandvik

Sandvik Construction is introducing more advanced tunnelling drillrig instrumentation which, coupled with existing drill/blast design and control systems, brings higher levels of accuracy to ... More Information

Fehmarnbelt approval

On 28.04.2015 the Danish Parliament adopted the Construction Act for the fixed link across the Fehmarnbelt and the Danish landworks, authorizing the state-owned companies Femern A/S and A/S ... More Information

Datwyler – 100 years growing with the Challenge

Datwyler – 100 years growing with the Challenge

With determination and the spirit of a pioneer, Adolf Datwyler in 1915 laid the foundation for success. He recognised the signs of the times early and invested counter-cyclical. In 1958, ... More Information

Riyadh TBM startup

Riyadh TBM startup

On 30.04.2015 the first of two FAST Consortium TBMs started tunnelling the Riyadh Metro Green Line. The TBM, named Dhafrah, meaning Victory in Arabic, started boring on the 12.9 ... More Information

Brenner lot 3 approved

CIPE has approved the construction of Brenner Basis Tunnel, Lot 3 Mules-Brenner. Some EUR920 million are now available for the Brenner project to be added to EU funds. The lot involves completion of ... More Information

Tunnelling News

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

RiverRenew Tunnel Project Nearing Completion

The RiverRenew Tunnel System Project, the largest infrastructure investment in Alexandria's history, is nearing completion. More Information

Sydney Metro West tunnels enter final stretch after big breakthrough

Two tunnel boring machines (TBMs) constructing the huge Sydney Metro West tunnels have made a smashing entrance 24 metres below the surface. More Information

Chennai Metro Rail launches first tunnel boring machine for underground tunnelling in Kolathur

Corridor 5 begins at Madhavaram Milk Colony and connects through Koyambedu, Porur, Alandur and other residential/commercial areas of the city to ... More Information

Element Six, Master Drilling Announce Tunnel Development Partnership

Element Six and Master Drilling will deliver a diamond-enabled solution designed to increase tunneling development speed, reducing costs and minimize the environmental impact of tunnel ... More Information

Gateway Project Tunnel Connecting NY and NJ Moves Forward

Five Gateway contracts have been awarded so far, including one on Predergast's first day for construction on the Manhattan side of the tunnel... More Information

HSR Xi'an – Yan'an: Completion of All Tunnels in the Project

The HSR Xi'an – Yan'an has completed the excavation of all tunnels, including the Tongchuan Tunnel. This is a key milestone in the construction ... More Information

Brazil's US$1bn underwater tunnel project making waves among potential bidders

The first underwater road tunnel project in Brazil is attracting interest from multiple potential bidders, an official familiar with the matter ... More Information

Element Six and Master Drilling Announce Strategic Partnership for Advanced Tunnel

Achieving high quality, nonexplosive tunnel construction with various aspects of value generated compared to traditional rock excavation methods is a ... More Information

Tutor Perini Wins a $1.2 Billion NYC Contract

A joint venture of Sylmar-based civil construction firm Tutor Perini Corp. and its subsidiary Frontier-Kemper Constructors has won a $1.18 billion contract to construct a pair of rail ... More Information

Milestone reached for $1.6b Auckland wastewater tunne

Watercare's Central Interceptor project has passed an historic milestone with the southern half of the 16.2 kilometre tunnel – Blockhouse Bay ... More Information

Elon Musk's 'Wormhole' Tunnel Promises To Carry 20,000 People Per Hour In Dubai

It’s been more than eight years since Elon Musk decided he was fed up with traffic and declared he’d start digging tunnels to revolutionize public transport across the United States. So ... More Information

First tender for Dubai’s $22bn tunnels due within days

Dubai Municipality is expected to tender the first two packages of the $22bn Dubai Strategic Sewerage Tunnels (DSST) project imminently... More Information