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

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

European Union to Strengthen Safety Rules for Road Tunnels

European Union to Strengthen Safety Rules for Road TunnelsThe transport ministers of the EU backed a directive proposal for stricter safety regulations in European tunnels, that were endorsed in a ... More Information

Weldgrip for one-stop ground and strata control

Weldgrip for one-stop ground and strata controlWeldgrip has a dedicated, purpose-built facility for the manufacture of machinery, tools and equipment for ground and strata control. Supplying a full ... More Information

Fourth Breakthrough at Lötschberg Base Tunnel

Fourth Breakthrough at Lötschberg Base TunnelAfter two years and four months, the Herrenknecht TBM which started working from Raron has completed on schedule a 10 km east tube section to the Ferden ... More Information

Hsueshan Tunnel Breaks Through

Hsueshan Tunnel Breaks ThroughTaiwan's President Chen Shui-bian, Premier Yu Shyi-kun, and Minister of transportation and communications Lin Ling-san attended the breakthrough by a Robbins TBM of the ... More Information

Hai Van Pass Tunnel Breaks Through

Hai Van Pass Tunnel Breaks ThroughA major breakthrough took place at the Hai Van tunnel on 28th October when workers on either side of the 6,247 m-long 11.9 m-wide tunnel met each other. Workers of ... More Information

First Robbins TBM for Karahnjukar - is/14

First Robbins TBM for Karahnjukar - is/14The Owner, the Consultant and Impregilo have signed off on delivery of the first of three Robbins TBMs for the Karahnjukar project in Iceland. The first TBM ... More Information

NFM Technologies to Supply Second TBM to Excavate Kazan's First Metro Line

NFM Technologies to Supply Second TBM to Excavate Kazan's First Metro LineKazmetrostroy, in charge of building Kazan's metro, has ordered a second hand TBM from NFM Technologies. This machine will ... More Information

US Department of Transport Publishes Recommendations for Bridge and Tunnel Safety

US Department of Transport Publishes Recommendations for Bridge and Tunnel SafetyThe Federal Highway Administration (FHWA) has published a report stressing that tunnels and bridges in the United ... More Information

Consultant Wanted for Major Highway Tunnel

Consultant Wanted for Major Highway TunnelA well-qualified M & E control consultant is required for the twin-tube, 18 km-long Qinling Zhongnanshan, tunnel, currently under construction as ... More Information

Tunnelling Sub-Contractor Urgently Required

Tunnelling Sub-Contractor Urgently RequiredValecha Engineering has received a design work order to commence Udaipur city's Mansi Wakal water supply project near Dewas in India, value Rs165 million. ... More Information

King Juan Carlos Inaugurates Madrid to Lleida HSL

King Juan Carlos Inaugurates Madrid to Lleida HSLKing Juan Carlos and Queen Sofia inaugurated on 10th October the Madrid to Lleida high speed line during a inaugural trip which took four hours to ... More Information

Section of A86 Tunnel in Paris Breaks Through

Section of A86 Tunnel in Paris Breaks ThroughThe Herrenknecht TBM boring the east tunnel on the A86 motorway west of Paris broke through on 14th October the first section, named VL1 and 4.5 km in ... More Information

Herrenknecht TBM to Build Martignano Tunnel in South Tyrol

Herrenknecht TBM to Build Martignano Tunnel in South TyrolA Herrenknecht hard rock single shield TBM is arriving in pieces in Trento province, Italy to drive a twin tunnel on the 4 km Martignano ... More Information

European Commission Proposes New Projects and New Funds to Dynamise Europe

European Commission Proposes New Projects and New Funds to Dynamise EuropeThe European Commission proposed on 1st October adapting the guidelines for the trans-European transport network (TEN-T) to ... More Information

Tunnelling News

Consortium of Aecom and Arcadis appointed to tunnel and station design contract for Ontario metro

The scope of work for the PTUS contract includes construction of 3km of twin tunnels underneath Pape Avenue between the Gerrard tunnel portal and ... More Information

Snowy Hydro is inching towards powering the nation

... tunnelling progress of one of its critical boring machines ... Some 80 metres underground in temperatures well in excess of 30C, tunnel boring machine ... More Information

Judge rejects challenge to £1.7bn Stonehenge Tunnel

The High Court has thrown out a case brought by campaigners against the £1.7bn Stonehenge Tunnel project. Mr Justice Holgate said most of the ... More Information

9 of the longest underwater tunnels in the world

These stations are the first railway stations constructed under the sea and serve as emergency escape points in case of a disaster. Today, the Seikan ... More Information

EPC contractors sought for Dubai's £17bn sewer tunnels project

The strategic sewerage tunnels project by Dubai Municipality known as the Deep Tunnels Portfolio will involve the construction of wastewater assets ... More Information

The $7BN Mega-Tunnels You've Never Heard Of

But thanks to some incredible underground construction methods, Antwerp is now on course to complete a massive piece of infrastructure it's been ... More Information

3 listed & 2 Unlisted get LOA to build Mumbai Coastal Road Ext

The underground tunnel will run below Malad and Kandivali through the Mangrove creeks and a tunnel boring machine (TBM) will be used for this phase. More Information

New tunnel planned to under the Thames at Tilbury and Gravesend

ianVisits ... tunnel (c) National Grid. Construction will be done by a conventional tunnel boring machine (TBM), which will launch from a 41-metre deep shaft dug ... More Information

Third tunnel breakthrough on Guildford sewage works

A micro-TBM recently broke through on a new tunnel being built for Thames Water's project to relocate sewage treatment works in Guildford. More Information

Japan maglev train project being derailed by Shizuoka stalemate

Opposition in Shizuoka Prefecture emerged from fears the planned tunnel construction for the line could adversely affect the overall volume of water ... More Information

World's most expensive tunnel that ended up costing a whopping £2.3m a day to build

Over 5000 construction workers were employed to complete the Central Artery/Tunnel Project in the United States. More Information

Underground or Elevated Metro Rail – Which One is Better for India?

The cost of tunnel boring machines (TBM) is another significant component. The tunneling cost can be reduced by making longer tunnel contract ... More Information

From Undersea Tunnel To Station Redevelopment

The NHSRCL will construct an adjoining tunnel location as part of the package. To construct this tunnel, the Tunnel Boring Machines (TBMs) with a ... More Information

Second tunnel boring machine for Broadway Subway reaches South Granville Station

The tunnel boring machines will end their journey just before Arbutus Station, which spans two city blocks, with the west block used as the footprint ... More Information

BESIX-MTH awards Nordhavn work to Bravida

... construction of the Nordhavn Tunnel. By & Havn is tasked with developing Ørestad and the port of Copenhagen and runs the daily operations of the ... More Information

After India's first undersea tunnel, Mumbai to get its longest intra-city underground road

... construction with viaducts and modern safety measures. The Coastal Road tunnel is India's first undersea tunnel, constructed using a 12-metre ... More Information

3,200 tonne TBM delivered to France-Italy rail tunnel project

A tunnel boring machine (TBM) manufactured by German tunnelling and mining firm Herrenknecht has been delivered to the Lyon-Turin Mont Cenis base ... More Information

FPT Industrial engines power the construction of the longest immersed tunnel in the world

The construction of the Fehmarnbelt tunnel is an important addition to Europe's sustainable transport network of the future. It will offer the ... More Information

Work resumes at Silkyara tunnel after 2 months

On the instructions of the Union Ministry of Road Transport and Highways, construction work of protective nature has begun from both Barkot and ... More Information

Webuild Joint Venture awarded Pape Tunnel and Underground Stations Progressive DB contract

Webuild will lead a joint venture to develop the project for the "Pape Tunnel and Underground Stations (PTUS)" section of the Ontario Line, the new rapid transit line that will run through ... More Information

Third Tunnel Boring Machine Lowered at Panagal Park

In a significant milestone for the Chennai Metro Phase 2 project, the third Tunnel Boring Machine (TBM) has been successfully lowered at the ... More Information

T2D Project benefits

Adelaide is the country's only mainland capital city without a non-stop motorway in its metropolitan area. The existing transport network is struggling to meet demand, with more than ... More Information

LONDON'S SUPER SEWER: A last visit to the tunnels

With shafts being capped off across the #SuperSewer project, CEO Andy Mitchell paid a visit to Chambers Wharf in Bermondsey for what could be the last time he sees the vast tunnel ... More Information

SKATE Competence Matrix for Tunnelling

The Tunnelling SKATE matrix consolidates best practice and benchmarks the role levels and Skills, Knowledge, Attitude, Training and Experience criteria for most occupations involved in ... More Information

Casablanca, Madrid and the Strait of Gibraltar tunnel megaproject

The Strait of Gibraltar tunnel megaproject is one of the few engineering projects in the world with the capacity to change the geopolitical order and relations between Europe and Africa... More Information

Metrolinx - inside the tunnel

Metrolinx is sharing a rare look inside the record-breaking tunnel currently being carved out for the 7.8-kilometre Scarborough Subway Extension (SSE) project... More Information

HS2 Project Update, January 2024

HS2 is preparing to enter a critical new phase with the development of state-of-the-art rail systems that will allow passengers to enjoy some of the world’s most reliable intercity train ... More Information

Kalpataru Projects International bags orders worth Rs 3244 crore

TBM (tunnel boring machine) tunnelling scope. Advt. According to a statement, Kalpataru Projects International Ltd (KPIL) along with its joint ... More Information

UK's HS2 High-speed Rail Nears $6B Fit-out Phase

... tunnels. Under the Chiltern Hills, around 25 miles from London, two tunnel boring machines have completed 90% of the project's longest drives, of ... More Information

Akron gets approval for smaller Northside Interceptor Tunnel, but more work planned

He said the tunnel boring machine, which must be custom-built, has been put on order. "We had to bid this project by a certain date," he said ... More Information

Shimla introduces modern tunnel

Shimla, the picturesque capital of Himachal Pradesh, has unveiled a state-of-the-art tunnel, replacing a historic passage that served for 171 ... More Information

Launch of work for India's first undersea tunnel milestone in 2023 for bullet train project

... construction, the statement said. Civil works for stations have started along with works on Surat and Sabarmati high-speed rail depots. The ... More Information

Shimla's Sanjauli-Dhalli Tunnel Is Now Open; 26 More Tunnel Projects for the Himalayan Region

For enhanced connectivity and safer infrastructure, Himachal Pradesh Chief Minister Sukhvinder Singh Sukhu inaugurated the newly constructed ... More Information

Construction firms sign $174M contract to work on Howard Street Tunnel improvement project

Swedish company Skanska and Illinois-based Fay Construction Co. have signed a $174 million contract with CSX Transportation for the Howard Street ... More Information

Sub sea tunnel opening in the Faroe Island

The Sandoyatunnel was opened for the public. The tunnel is the last of the two tunnels in the Eysturoy - Sandoy project. Each of the tunnels are around 11 km in length and the project is a ... More Information

Waterfront Tunnel

Today, the Waterfront Tunnel stretches from AlexRenew to the end of King Street, over 150 feet below the Potomac riverbed. Only a few more blocks to go in her 2-mile-long, waterway-saving ... More Information

Mechanical Earthworm: The Wonders of the TBM in Action

Welcome back to another installment in our series on the Ritom Power Plant refurbishment. Today, we delve into how the Tunnel Boring Machine (TBM) used in the project operates. ... More Information

HRBT Expansion Project

Follow HRBT Expansion Project Director, Ryan Banas for the Fall 2023 Project Tour Video as he takes us on an inside look at progress, plans, and construction updates across the corridor... More Information

Tunnels and Underground Works for Pumped Storage Hydropower Projects: Challenges and Opportunities Panel Discussion

The NSW ATS invites all members, non-members and students to participate in this captivating hybrid (in person and webinar) panel discussion centred on the challenges and opportunities for ... More Information