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New TBM Record at Amsteg

New TBM Record at AmstegAt end February, 2004 about 25% of all the 153 km of shafts, cross passages and tunnels have already been excavated at the Alptransit Gotthard tunnel in Switzerland.At ... More Information

Guadarrama Tunnels are 50% Complete

Guadarrama Tunnels are 50% CompleteThe four TBMs have bored half of the twin tunnels under Sierra de Guadarrama on the high speed line from Madrid to Valladolid via Segovia. At end-January 2004, ... More Information

Technical Seminar on TBMs

Technical Seminar on TBMsIIR Spain organises a technical seminar on the necessary steps in the selection of a TBM to get a maximum return on investment, estimate with a 100% accuracy the project ... More Information

Hunter Personnel - More positions on tunnelbuilder.com

Hunter Personnel - More positions on tunnelbuilder.comJoining a growing list of human resources specialists to be seen on the tunnebuilder web-site, Hunter Personnel was established in 1976, and ... More Information

Häny Grouting Systems - Simple and Reliable

Häny Grouting Systems - Simple and ReliableSwiss-based Häny is one of the best-known names in grouting, having researched and developed equipment suited to many of the current techniques. The ... More Information

Stonehenge Tunnel Inquiry Opens amid Claims for Longer Project

Stonehenge Tunnel Inquiry Opens amid Claims for Longer ProjectA public inquiry has opened on 17th February into a plan to build a road tunnel under Stonehenge, the famous circle of megalithic ... More Information

Swiss Reject Second Gotthard Road Tunnel

Swiss Reject Second Gotthard Road TunnelSwiss voters rejected on 8th February a proposal to expand roads to ease Alpine bottlenecks, including the addition of a second tunnel under the Gotthard ... More Information

Announcing Atlas Copco Drilling Solutions Division

Announcing Atlas Copco Drilling Solutions DivisionBob Fassl has been appointed President of Atlas Copco Drilling Solutions division, a newly-formed division within Atlas Copco's Construction and ... More Information

AlpTransit Rail Tunnels Exhaust Credit Line

AlpTransit Rail Tunnels Exhaust Credit LineThe construction of the two transalpine rail tunnels across the Loetschberg and St Gotthard in Switzerland will be more expensive than planned. A ... More Information

IPS at Bauma

IPS at BaumaIPS, the highly-skilled personnel specialist for maintenance and operation of TBMs, handwork, NATM, separation plants and shotcreting, will be present at the Bauma exhibition, Hall 3C ... More Information

Kawasaki TBM Breaks Through CTRL Tunnel to King's Cross Station

Kawasaki TBM Breaks Through CTRL Tunnel to King's Cross StationA Kawasaki Heavy Industries tunnel boring machine broke through at King's Cross in London on 27th January, 2004 completing ahead of ... More Information

Atlas Copco at Bauma 2004

Atlas Copco at Bauma 2004 The Atlas Copco Bauma display, located in the outdoor area, Block 1110, will feature computer-controlled drilling rigs for both surface and underground work; unique ... More Information

Wirth TBM Breaks Through CTRL Tunnel Section

Wirth TBM Breaks Through CTRL Tunnel SectionOn 3rd December, 2003 the first Wirth TBM of the Channel Tunnel Rail Link project broke through after record time. It took only 299 days to drive 4.7 km, ... More Information

Lovat Holes Through in Turin

Lovat Holes Through in Turin'Valentina', the first launched Lovat Earth Pressure Balance shield to excavate lot 3, between Fermi and Pozzo Strada (2,632 m), on the first metro line in Turin, Italy ... More Information

NFM Technologies TBM Breaks Through Green Heart Tunnel in the Netherlands

NFM Technologies TBM Breaks Through Green Heart Tunnel in the NetherlandsThe biggest diameter TBM ever built in the world, 14.87 m in diameter with a weight of 3,520 tons, broke through ahead of ... More Information

Lovat TBM Breaks Through High Wycombe Sewage Tunnel

Lovat TBM Breaks Through High Wycombe Sewage TunnelThe final breakthrough of a 3,295 m-long 2.85 m-diameter tunnel near Little Marlow in the UK took place on 12th January. An 80-tonne TBM, which ... More Information

DTSS Section Breaks Through in Singapore

DTSS Section Breaks Through in SingaporeOn 15th December, 2003 Penta-Ocean Construction broke through to complete 7,716 m of tunnel, the single longest drive using an earth pressure balance machine ... More Information

Lötschberg Tunnel Unveils Hidden Geologic Treasures

Lötschberg Tunnel Unveils Hidden Geologic TreasuresRare crystals have been unearthed during construction of the rail tunnel through the Lötschberg in canton Bern, Switzerland. Four of the finds ... More Information

tacs celebrates its 10th birthday

tacs celebrates its 10th birthdaytacs GmbH, the German specialist in TBM guidance, is this year celebrating its 10th birthday.Ever since its first project, a metro tunnel in Munich in 1993, tacs has ... More Information

Lovat for Seville

Lovat for SevilleSpanish construction joint venture UTE Metro de Sevilla, comprising Sacyr, Dragados, GEA 21, and Salvador Rus Construcciones JV, has ordered a new Lovat 6.5 m-diameter EPB TBM for ... More Information

Wirth TBM Breaks Through Canale Viola Tunnel

Wirth TBM Breaks Through Canale Viola TunnelA Wirth TBM model SM 360 E/TS broke through last 27th November the 18,770 m-long Canale Viola tunnel in Valtellina valley in Sondrio province, Lombardy ... More Information

Caterpillar 988G Tunnel Loader - Mucking out in Record Time in Norway

Caterpillar 988G Tunnel Loader - Mucking out in Record Time in NorwayThe NY E39 Oysand-Thamshamn road project, near Trondheim in Norway, includes six bi-directional tunnels with a total length of ... More Information

Lovat TBM Breaks Through in Turin

Lovat TBM Breaks Through in Turin'Madama Cristina', a Lovat EPB shield TBM, broke through on 9th December, 2003 completing 2.6 km of tunnel as part of lot 4 of metro line 1 in Turin. Excavation ... More Information

Spain and Morocco Revive Fixed Link Project under Gibraltar Strait

Spain and Morocco Revive Fixed Link Project under Gibraltar StraitThe project to link Spain and Morocco with a tunnel beneath the Gibraltar Strait has been revived at a recent summit held on 9th ... More Information

Happy Holidays

For your interest, we are listing below précis of our latest printed publications, each of which is available in downloadable pdf format, and makes a very good read. Underground Mining ... More Information

Fibre Reinforcement from SI Concrete Systems

Fibre Reinforcement from SI Concrete SystemsFibermesh and Novocon are two of the best-known brand names in fibre reinforcement for shotcrete, and both come from SI Concrete Systems. By manufacturing ... More Information

Phoenix - Seals and Conveyor Belts

Phoenix - Seals and Conveyor BeltsPhoenix AG of Hamburg, Germany is a specialist producer of rubber-based products for mining, tunnelling and industrial use. For decades, the company has ... More Information

Marti Technics to Supply TBM for San Pedro Tunnel

Marti Technics to Supply TBM for San Pedro TunnelSwiss logistics and engineering specialist Marti Technics Ltd will supply a TBM to UTE San Pedro, a JV set up by Sando, Aldesa, Tapusa and Copasa, to ... More Information

NFM Technologies Delivers First TBM for Canton Metro

NFM Technologies Delivers First TBM for Canton MetroNFM Technologies, the Wirth Group's sister company, has delivered during week 47 the first of two TBMs for the Canton metro in China. The first ... More Information

EU Gives Green Light to Financing of Júcar-Vinalopó Transfer

EU Gives Green Light to Financing of Júcar-Vinalopó Water TransferThe European Union has decided to finance the Júcar-Vinalopó water transfer scheme, further to receiving the environmental ... More Information

Trans Apennine Milestone

Trans Apennine MilestoneThe 6.25 m-diameter Wirth TB 630 E/TS TBM driving the 10 km-long Ginori exploration tunnel on Italy's Trans Apennine railway has broken through on time, after three years ... More Information

Four Atlas Copco Drill Rigs at Work in Vielha

Four Atlas Copco Drill Rigs at Work in VielhaThe existing Vielha tunnel, named Alfonso XIII, was inaugurated in 1948 and was developed during the reign of King Alfonso XIII. It is over 5,240 m in ... More Information

Lovat TBM Breaks Through First LRT Extension Tunnel in Edmonton

Lovat TBM Breaks Through First LRT Extension Tunnel in EdmontonA Lovat EPB TBM broke through to the University LRT station on 8th November, completing the 293 m-long southbound tunnel of Edmonton's ... More Information

New leadership for Boart Longyear

New leadership for Boart LongyearPaul Brunner, managing director of Boart Longyear, has been appointed president and chief executive officer, effective January, 2004, to follow the retirement of ... More Information

Spanish Government Gives Go-Ahead to Huge Water Project

Spanish Government Gives Go-Ahead to Huge Water ProjectSpain's ministry of environment has approved on 31st October the Environmental Impact Statement for the controversial Ebro river transfer ... More Information

€70 Million to Rebuild Two High Speed Rail Tunnels

€70 Million to Rebuild Two High Speed Rail TunnelsThe Spanish Ministry of public works will spend €70 million -on top of the €54 million already spent- to rebuild the Montblanc and La Riba ... More Information

Page:

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