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Normet expands southern Africa presence

Normet expands southern Africa presence

South African Gary Clench, who has 36 years hands-on sales and marketing experience in the underground sector, More Information

Walking to Billy Bishop airport

Construction of the Port Authority pedestrian tunnel to Billy Bishop Toronto City Airport commenced this month. The More Information

Novel shotcrete speeds three Robbins TBMs

Novel shotcrete speeds three Robbins TBMs

Once completed in 2014, the 44.6 km-long Pahang Selangor raw water tunnel in Malaysia will be the longest tunnel in Southeast Asia. More Information

Deo Ca Pass tunnel plans

Deo Ca Pass tunnel plans

Deo Ca Pass tunnel construction is starting around now for completion mid-2016. The new 13.4 km road, from Hoa Xuan Nam More Information

Multi-purpose tunnelling rig from Atlas Copco

The new Boomer E1 C-DH single boom diesel hydraulic drillrig has face coverage of 95 sq m. More Information

ISTRICE – polymer structural fibres for tunnelling

Italian manufacturer ISTRICE has 30 years experience in the synthetic monofilament extrusion sector, resulting in a range of unique, patented fibres for structural reinforcement of concrete. More Information

Breakthrough in Scrajo tunnel

Breakthrough in Scrajo tunnel

On 05.03.2012 breakthrough was achieved in the new Scrajo rock tunnel on the SS145 Sorrentina bypass between Pozzano and Seiano. More Information

Thessaloniki metro extension to start

Construction of Thessaloniki Metro extension to Kalamaria will begin in autumn, 2012. Four bidders have received the tender documents. More Information

INTERtunnel 2012 returns to Turin

The latest technologies for tunnel design and management will be on show at INTERtunnel, organized by Mack Brooks Exhibitions at Turin’s Lingotto exhibition complex from March 27th to 29th, 2012. More Information

Innovative segment gasket from CBE

The recently completed Lee tunnel in the east end of London was lined with concrete segments with anchored gaskets, More Information

Major breakthroughs on SS77

Major breakthroughs on SS77

On 28.02.2012, breakthrough of the 2,820 m north tube was achieved on the SS77 Sostino tunnel in Foligno municipality on Marche-Umbria quadrilateral in Italy More Information

Hong Kong drainage breakthrough

Hong Kong drainage breakthrough

On 27.02.2012 the JV Maeda Corporation, China Railway Engineering Corporation (CREC) and SELI celebrated the breakthrough of the Tsuen Wan drainage tunnel in Hong Kong using a 7.72m-diameter, More Information

Non-polluting products certification for EPC Consulting

Globalchimica partner EPC Consulting has gained certification for its non-polluting, organic-mineral resins. More Information

Breakthrough at Capo di Ponte

Breakthrough at Capo di Ponte

On 24.02.2012 JV Collini/Cossi/Giudici/Aster broke through at Capo di Ponte tunnel on the SS 42 Tonale-Mendola between Darfo and Edolo. More Information

New boss at Aker Wirth

New boss at Aker Wirth

Einar Broenlund has taken over the management of Erkelenz-based drilling and tunnelling equipment More Information

Rome metro Line B1 progress

Rome metro Line B1 progress

On 22.02.2012, the 9.80 m-diameter EPB TBM Nannarella completed excavation of the difficult 1.1 km-long Conca d’Oro-Jonio tunnel, part of the extension of B1 line of Rome metro. More Information

Professional tunnellers diary

March is a good month for tunnelling events, with five international conferences scheduled in Israel, US, Brazil, Greece and Italy. Great geographic spread, and something for everybody! More Information

ISTSS in New York

The 5th international symposium on tunnel safety and security takes place in New York from 14-16 March, 2012. Some 250 delegates have already registered, with around 70 places still ... More Information

MRS expands Asia Pacific team

Mine Radio Systems (Pacific) Pty Ltd has appointed Warren Dix as Western Regional Manager with a territory covering the western half of Australia and Indonesia. More Information

Rocchetta tunnel complete

On 17.02.2012, breakthrough of the 980 m south tube was achieved on the SS77 La Rocchetta tunnel in Muccia municipality on Marche-Umbria quadrilateral in Italy. Excavation took one year. The 840 m ... More Information

Portable rescue chamber from mineARC

Australian specialist manufacturer mineARC has launched its latest portable rescue chamber range. More Information

CIFA – the best choice for tunnels

Heavy investment in research, development and product quality has enhanced CIFA know-how and experience, creating a solid foundation for customers in the worldwide construction industry. More Information

Herrenknecht TBMs for Neelum-Jhelum hydro

By 15.02.2012 the main parts of two 155 t Herrenknecht TBMs had reached Majoi (C-2), the site of Neelum-Jehlum hydropower project in Muzaffarabad District of Azad Jammu Kashmir Republic of Pakistan. More Information

Roveredo bypass in Switzerland

Roveredo bypass in Switzerland

In 2009, Consortium Galleria di Roveredo, comprising CSC SA (Lugano), Frutiger AG (Thun) and Prader Losinger SA (Sion), secured the contract for More Information

Caterpillar Tunneling for customized TBMs

Caterpillar Tunneling based in Toronto, Canada has five generations of experience in the worldwide tunnelling industry. More Information

Two SS125 tunnels completed in Sardinia

Two SS125 tunnels completed in Sardinia

Full section excavation of the monotube Murtineddu and Marapintau tunnels with their parallel safety tunnels was completed by end-2011. More Information

Tunnelling vacancies in UK

iPS is urgently looking for various Tunnelling workers in the UK. There are vacancies for electricians, fitters, banksman, leading miners, miners, pit bosses and scaffolders. More Information

Decision expected on Frejus safety tunnel

Italian and French authorities will soon have to decide whether to expand the proposed 12 km-long More Information

CBE to supply Sluiskil

French group CBE has been awarded the supply contract for segment moulds for the 1.15 km-long twin-tube Sluiskil tunnel under the Gent canal at Terneuzen in the Netherlands More Information

Normet international success lauded

Normet has received an award from the Finnish government for its exceptional success in the international market, profitable growth, development of Finnish expertise, and operation in an environmentally sustainable manner. More Information

Datwyler acquires Phoenix profiles

The Datwyler group has completed the acquisition of the profiles division of Phoenix Dichtungstechnik of Hamburg. More Information

Herrenknecht big in China

Herrenknecht big in China

At the recent presentation of the Herrenknecht EPB shield for Dongguan metro attended by Chancellor Merkel and Premier Wen, Dr Martin Herrenknecht outlined his company’s ongoing commitment to China. More Information

Qatar going underground

The Qatar integrated railway project includes four metro lines, for which initial tenders for four tunnelling packages worth EUR1.5-2.3 billion apiece are expected in April, 2012. More Information

Works starts on Peru project

On 24.01.2012 work started on the Via Parque Rimac, a new Peruvian road construction project of the Metropolitan Municipality of Lima to connect Via Evitamiento highway to Callao Province, reducing traffic congestion. More Information

First Eastern European Tunnelling Conference

The call for papers deadline for the 2012 Eastern European Tunnelling Conference has been extended to 20.02.2012. More Information

Viatec and Brenner Congress 2012

The three-day Viatec fair takes place in Innsbruck starting 15.02.2012. More Information

Tunnelling News

4000-tonne machines dig arterial route under Melbourne's west

The West Gate Tunnel Project is in full swing beneath Melbourne's inner west, with tunnel boring machines (TBMs) Bella and Vida at the helm... More Information

Gotthard drilling machine gets no further - now it has to be blown up

Forced break in the Gotthard road tunnel: After 190 meters, the drilling machine working on the second tube has come to an end for the time being... More Information

Construction begins on 6 Cross Island Line Phase 2 stations

Tunnel Boring Machine measuring 12.8m in diameter. The machine will “bore through the ground only once for the construction of the tunnel which ... More Information

Tunnel boring machine returns after installing $22 million outfall

A 19.5 tonne tunnel-boring machine docked at Onehunga Wharf on Friday afternoon after successfully tunnelling the $22m Clarks Beach Outfall over ... More Information

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