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

World's Widest TBM Completes Digging in Shanghai

World's Widest TBM Completes Digging in Shanghai The digging of the world's widest tunnel linking Shanghai with Chongming under the Yangtze river was completed on 5th September, ... More Information

Digging Deep for Bogong Hydro Power Station

Digging Deep for Bogong Hydro Power StationThe Kiewa hydroelectric scheme is the largest scheme in Victoria, Australia. It was built over more than 20 years from 1938 until 1961, with construction ... More Information

Lyon-Turin High Speed Line Makes Progress

Lyon-Turin High Speed Line Makes ProgressAfter years of bitter arguing, an agreement on the controversial high speed railway line between Turin, Italy and Lyon, France has been announced on ... More Information

Newsflash

NewsflashIn order to respond to the growing demand within International Tunnelling Services, our managing director, Kevin Browning, will be present at some international exhibitions to meet clients ... More Information

Robbins TBM Overcomes High Overburden at Olmos

Robbins TBM Overcomes High Overburden at OlmosThe coast of Peru is a barren scrubland which proves fantastically bountiful when water is brought to it. And, for centuries, the problem of how ... More Information

Six TBMs to Expand Rome's Metro System

Six TBMs to Expand Rome's Metro SystemThe first of four Herrenknecht TBMs for Line C of the Rome metro officially commenced on 3rd July, 2008 to drive the tunnels starting from the Giardinetti ... More Information

Milestone Hit in Boston CSO Tunnel

Milestone Hit in Boston CSO TunnelThe Massachusetts Water Resources Authority (MWRA) has notched another successful tunnel boring operation, its fifth in 20 years, as it completed the North ... More Information

Everything Ready for Geofluid

Everything Ready for GeofluidGeofluid, now celebrating its 30th anniversary, will take place from 1st to 4th October, 2008 at the Piacenza Expo exhibition centre in Italy. Geofluid 2008, as for the ... More Information

IUT '08: 2-Day Tunnelling Fair in Sargans, Switzerland

IUT '08: 2-Day Tunnelling Fair in Sargans, SwitzerlandMore than 2,800 visitors took advantage of the IUT '05 in September 2005 in order to aquaint themselves with the latest trends and developments ... More Information

Colombia Completes La Linea Exploration Tunnel

Colombia Completes La Linea Exploration TunnelThe last blast of dynamite that pulled down the last chunk of rock in the La Linea pilot tunnel on 2nd August, 2008 was preceded and followed by cheers ... More Information

Atlas Copco and Minova sign global distribution agreement

Atlas Copco and Minova sign global distribution agreement Stockholm, Sweden, 19th August, 2008: Atlas Copco today announced that it has signed a global cooperation agreement in the field of ground ... More Information

HARBOUR AREA TREATMENT SCHEME STAGE 2A

Drainage Services Department HARBOUR AREA TREATMENT SCHEME STAGE 2ACONSTRUCTION OF SEWAGE TUNNELSINVITATION TO APPLY FOR PREQUALIFICATION OF TENDERERS The Government of ... More Information

HARBOUR AREA TREATMENT SCHEME STAGE 2A

Drainage Services Department HARBOUR AREA TREATMENT SCHEME STAGE 2ACONSTRUCTION OF SEWAGE TUNNELSINVITATION TO APPLY FOR PREQUALIFICATION OF TENDERERS The Government of ... More Information

Yacambu-Quibor Water Tunnel Breaks Through

Yacambu-Quibor Water Tunnel Breaks ThroughThe Quibor valley in Lara state, Venezuela occupies an area of some 434 square kilometres with semi-arid climate. It is situated 25 km south of ... More Information

Herrenknecht Celebrates its 30th Anniversary

Herrenknecht Celebrates its 30th AnniversaryTo celebrate its 30th company anniversary, Herrenknecht invited 1,550 employees and 450 guests (customers, business partners, politicians and industry ... More Information

The Ingula pumped storage scheme in South Africa

The Ingula pumped storage scheme in South AfricaThe Ingula (previously Braamhoek) pumped storage scheme project, situated within the Drakensberg mountain range, on the border between the Free State ... More Information

NFM Technologies to sponsor tunnelbuilder.com

NFM Technologies to sponsor tunnelbuilder.comFor the last 20 years the name of NFM Technologies has been synonymous with large TBMs. With a factory capable of assembling 16 m-diameter machines, ... More Information

Design and Construction of the Carmel Tunnels in Israel

Design and Construction of the Carmel Tunnels in IsraelThe old part of Haifa, Israel and its major business district and port are located on a narrowish coastal promontary beneath 550 m-high ... More Information

Crossrail Gets Final Approval

Crossrail Gets Final ApprovalThe Crossrail Bill was approved by the House of Lords on 22nd July, 2008 after being amended by the House of Commons on the last day of the parliamentary session. The ... More Information

Chinese Construction Equipment Manufacturer Zoomlion Acquires CIFA

Chinese Construction Equipment Manufacturer Zoomlion Acquires CIFAA consortium led by Chinese construction machinery giant Changsha Zoomlion Heavy Industry Science & Technology Development Co. ... More Information

Propex Concrete Systems' Concrete Reinforcement Fibres Receive CE Marking

Propex Concrete Systems' Concrete Reinforcement Fibres Receive CE MarkingThere are new European standards relating to fibres for concrete. As of 1st June, 2008, it is now mandatory for all fibre ... More Information

New upgraded tunnelbuilder server is fast and secure

New upgraded tunnelbuilder server is fast and secureEvery July, we carry out any necessary server maintenance while bids and awards activity is low.This time around, we decided on a new server in ... More Information

DSI Rockbolts on Gautrain Project

DSI Rockbolts on Gautrain ProjectDSI South Africa, the South African subsidiary of operating construction technology group Dywidag-Systems International, secured a ZAR21 million contract last year ... More Information

Mixed Methods Move Gautrain Forward

Mixed Methods Move Gautrain ForwardSouth Africa's public rail transport system is undergoing an extensive revamp, and one of the most prominent projects is the Gautrain Rapid Rail Link. The ... More Information

First East Side Access TBM Reaches Grand Central Station in New York

First East Side Access TBM Reaches Grand Central Station in New YorkThe Metropolitan Transportation Authority (MTA) announced on 2nd July, 2008 that after just eight months, the first of two ... More Information

Finnfast Subsea Tunnel Breaks Through in Norway

Finnfast Subsea Tunnel Breaks Through in NorwayMuch of Norway is covered by mountains and the western coast is gouged by deep fjords and dotted with islands. To facilitate modern communication, it ... More Information

Krolsky Tunnel Ends, Mansky Tunnel to Commence

Krolsky Tunnel Ends, Mansky Tunnel to CommenceContractor OAO Bamtonnelstroy has announced the Lovat RME375SE series 21400 TBM has broken through on the Krolsky rail tunnel, the first rail tunnel ... More Information

Newsflash: Schoema Tunnel Locomotives and Other Tunnel Equipment for Sale

Newsflash: Schoema Tunnel Locomotives and Other Tunnel Equipment for SaleThe SLCP-SELI joint venture has recently completed the Canada Line twin bored tunnels in Vancouver, Canada. The joint venture ... More Information

The Gilgel Gibe Hydropower Project in Ethiopia

The Gilgel Gibe Hydropower Project in EthiopiaIn Ethiopia, about 250 km to the southwest of Addis Abeba plateau, along the Omo river and its tributary Gibe, the planning and construction of an ... More Information

Horcajada Tunnel Breaks Through on Madrid-Valencia High Speed Line

Horcajada Tunnel Breaks Through on Madrid-Valencia High Speed LineTravel times between Madrid and Valencia are set to more than halve on completion of the high speed rail line in 2010, with trains ... More Information

Used TBM For Sale

Used TBM For SaleA year old double shield hard rock TBM is for sale in Hong Kong, available December, 2008.With an excavation diameter of 5.2 m and an erector designed for segment ID 4.5 ... More Information

TBM for sale

TBM for saleDouble shield hard rock TBM. Manufactured by Herrenknecht in 2007.Excavation diameter 5.2m. Erector designed for segment ID 4.5m.Total weight 800 tons, 238m long with ... More Information

Herrenknecht Large Diameter TBMs Set Records

Herrenknecht Large Diameter TBMs Set RecordsThe islands of Chongming, Changxing and Hengsha are separated from mainland Shanghai by the Yangtze river. They are situated northeast of Shanghai ... More Information

Immersed Tunnel under the Shannon in Ireland

Immersed Tunnel under the Shannon in IrelandThe Limerick southern ring road in the southwest of Ireland is comprised of 10 km of two lane dual carriageway, 11 bridges, four interchanges, six ... More Information

News from FiReP International AG

News from FiReP International AGAs of 1st May 2008, the company Rockbolt Systems/Weidmann took a further step in the development of an international corporate group of companies under the name of ... More Information

Torino Extends its Metro

Torino Extends its MetroConstruction of the Turin metro extension between Porta Nuova and Lingotto has entered a new stage with the official lowering on 28th February, 2008, at Marconi ... More Information

Tunnelling News

Webuild at work on the massive railway tunnel at the heart of the Northeast Corridor

After years of planning, the Hudson Tunnel Project (HTP) to improve the railway connection between New York and New Jersey has begun. The first drilling contract for the tunnels, part of ... More Information

TfL Awards Contract for Elephant & Castle Tube Station Upgrade

Transport for London (TfL) has selected Dragados UK to design and construct new passenger tunnels at Elephant & Castle Tube station. These tunnels will connect the new station box to the ... More Information

More than 10 years of transformational tunnelling

More than 23,000 workers, 11 tunnel boring machines (TBMs) and an army of roadheaders and excavators are what it has taken for CPB Contractors to construct more than 80 kilometres of ... More Information

Ivy – the Newest Member of the DEME Marine Fleet on the Fehmarnbelt Tunnel Project

DEME have introduced “Ivy”, the newest member of their marine fleet for the Fehmarnbelt tunnel project! Specifically designed for the transport and immersion of the project’s 89 massive ... More Information

Double down: SA’s groundbreaking purchase

Up to twice the number of Tunnel Boring Machines previously anticipated will be delivered to South Australia for the landmark River Torrens to Darlington (T2D) Project, giving hope the ... More Information

CRL Tunnel Vision September 2024

This month in Tunnel Vision we’re celebrating Te Wiki o te Reo Māori! It’s been a busy month on the CRL fitting out the stations with all the technical systems needed to run and revealing ... More Information

Siddhababa tunnel achieves key breakthroughs.

The first and third cross passages of the Siddhababa Tunnel Project on the Siddhartha Highway have achieved breakthroughs. Construction of two of ... More Information

Ontario Exploring Feasibility of New Highway 401 Tunnel

Today, the Ontario government launched the technical evaluation for the construction of a new driver and transit tunnel expressway under ... More Information

National Highways unveils modernisation plans to upgrade A38 Saltash Tunnel

National Highways will be embarking on the second phase of a major modernisation upgrade of the A38 Saltash Tunnel later this autumn... More Information

Strong sustainability score for North East Link

Three mini tunnel boring machines (TBMs) moved 1.8km of the Yarra East Main Sewer to the east of Bulleen Road, beneath homes, schools and sports ... More Information

Tunneling through the Carpathians

AKTOR's innovative use of Tunnel Boring Machines (TBMs) represents a leap forward in engineering and construction technology in the region. Here ... More Information

Suburban Rail Loop to repurpose enormous Sydney Metro machines

The Victorian government's Suburban Rail Loop (SRL) is making major strides, with the first four tunnel boring machines (TBMs) now ordered and set to ... More Information

The incredible tunnel that cost £108m to build is the longest on an entire continen

Colombia's mega project will see the country honoured as having the longest tunnel in South America when completed, benefitting locals and ... More Information

Panama Excavates First Underwater Transport Tunnel

Panamanian President José Raúl Mulino this week officially began construction and lining work on the first underwater transport tunnel that will ... More Information

Ningbo-Zhoushan High-Speed Railway, China

The tunnelling operation uses two tunnel boring machines (TBMs) named Dinghai and Yongzhou. The two are anticipated to converge midway beneath the ... More Information

Boring on metro tunnel below Adyar river complete

The tunnel boring machines - nicknamed Kaveri and Adyar - were engaged for the work. Kaveri has successfully completed the tunnelling drive, while ... More Information

DMRC completes first twin tunnels

DMRC completes first twin tunnels breakthrough under Phase-IV construction tunnels breakthrough under Phase-IV construction. The two tunnel boring machines (TBMs), Bhoomi and Srishti, ... More Information

BART celebrates 50 years with completion of Transbay Tube retrofit

BART celebrates 50 years with completion of Transbay Tube retrofit. Tunnel project ends agency's $1.5B earthquake safety effort. Avatar photo by Bay ... More Information

US$12.2 billion for new Indian tunnels

A US$12.2 billion budget will boost tunnel construction in India. The plans from the Ministry of Road Transport & Highways calls for 74 new tunnels to be built. These will measure 273km ... More Information

Hong Kong West Drainage Tunnel

Arup is the consultant to the Hong Kong Drainage Services Department in carrying out the design, pre-qualification, tender and construction ... More Information

Lane JV Wins Tunnel Package for Hudson River Tunnel Project Valued at $466 Million

CHARLOTTE, NC – The Lane Construction Corporation, the U.S. subsidiary of Webuild Group, has won a $466 million contract, of which Lane has a 35% share, to construct the Palisades Tunnel ... More Information

World’s biggest developers eye bids for Dublin MetroLink contracts

A consortium made up of some of the biggest infrastructure developers in the world has formed in preparation to bid for contracts to build and operate the long awaited MetroLink rail line ... More Information

The Boring Company's Prufrock-3 completes Las Vegas tunnel

The tunneling startup did not share the length of the tunnel that ... construction projects with speed and automation. This is highlighted by ... More Information

Coastal road phase 2: Mumbai's second twin tunnel to pass under rivers, mangroves

As part of phase 2 of Mumbai's Coastal Road Project, a 22.93 km high-speed corridor linking Versova with Dahisar will be created. More Information

Rock tunnel for £1.7bn Norway road scheme takes shape

The consortium responsible for the construction of a new road system in Norway has excavated approximately 500m of a new 1.9km long tunnel... More Information

Tunnel boring machine reaches halfway point on HS2's route into Birmingham

Balfour Beatty VINCI is celebrating a key milestone in the construction of HS2's gateway to Birmingham. The joint venture today (Thursday 29 ... More Information

Gateway Development Commission secures $3.8B in funding for Hudson Rail Tunnel project

The money is the final funding piece for the $16 billion project to build a new rail tunnel that will carry Amtrak and New Jersey Transit trains under ... More Information

TBM Zelda starts on 6.5km Melbourne tunnel

The 4,000t machine is the first of two TBMs that will excavated a section of the project's twin road tunnels in the city's suburbs. Named after local ... More Information

Tunnels of the Future: Key Innovations and Projects at InnoTrans 2024

BBT SE, responsible for the construction of the Brenner Base Tunnel, will provide details on its ambitious project. This 55-kilometer tunnel is ... More Information

Hudson tunnel contract awarded

Webuild's Lane, ACS firms win $466 million Hudson Tunnel contract tunnels as part of the Hudson Tunnel Project in the New York City area, the Italian construction group said on Thursday. More Information

All women crew to build SRL tunnels

Crews are moving underground services and building tunnel boring machine launch sites, preparing sites for major construction. Suburban .. More Information

Officials break ground on one of world's longest underwater rail tunnels connecting 2 major cities

This tunneling project, which is part of the larger Mumbai-Ahmedabad HSR corridor spanning 315.66 miles, is part of an effort to reduce the ... More Information

Severn Trent unveils huge 25m deep new storm tank to ease flooding and prevent spills

Four tunnel boring machines were used to install the new sewer pipes under the town to minimise disruption, as well as lining 1km of old brick ... More Information

Here's how downtown Toronto's first subway tunnel in over 60 years will be dug

Crews are now drilling deep into the soil around the launch shaft ... Once piling is complete and this massive pit is dug, tunnel boring machines ... More Information

LTA awards S$199M contract for Maju-Clementi rail tunnels and S$400M for Cross Island

Construction will use a slurry tunnel-boring machine due to the hard sedimentary rock in the area. LTA has assured that rigorous safety measures ... More Information

Northside Interceptor Tunnel named after local environmental advocate

The machine will be named “Elaine” after environmental advocate Elaine Marsh. A tunnel boring machine is used to excavate tunnels through hard ... More Information

Tunnelling works complete on NI Water's £7.8m wastewater upgrade at Meadow Lane

The 25-tonne Tunnel Boring Machine (TBM) broke through to the new stormwater storage tank to complete this significant element of work. The new ... More Information

The longest railway tunnels in the world

The three rail tunnels have a diameter of 7.6 m, while the service tunnel has a diameter of 4.8 m. A total of 11 tunnel boring machines (TBM) dug the ... More Information

Reusing dirt and rock as we build the North East Link tunnels

As the TBMs dig underground, excavated dirt and rock is moved via an enclosed conveyor system that crosses high ... More Information