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Tunnel Technology 2012 for Shanghai

The third Tunnel Technology Summit will be held 28th-30th May, 2012 in Shanghai, China organized by Shine Media and Shanghai Transportation Trade Association. The theme is new technology, equipment and construction methods for propelling tunnel design, construction and operation. More Information

Final breakthrough for Sorbas tunnel

On 18.01.2012, excavation of the second tube of the 7.5 km-long Sorbas tunnel on the Sorbas-Barranco de los Gafarillos section on the Almeria-Murcia Region high-speed railway was completed. More Information

CEVA rail link under construction

CEVA rail link under construction

Work on the 16 km-long Cornavin-Eaux-Vives-Annemasse (CEVA) rail link commenced on 15.11.2011 to provide a 20 minute connection between Cornavin station (Geneva) and Annemasse municipality in France with five new stations at Lancy-Pont-Rouge, Carouge-Bachet, Champel-Hopital, Geneve-Eaux-Vives and Chene-Bourg More Information

Wayss & Freytag awarded Emscher sewer tunnel

W & F, a subsidiary of Royal Bam group, has been awarded the EUR420 million construction contract for a 35 km-long wastewater tunnel between Dortmund and Bottrup in Germany. More Information

Conceptual design for Feltre tunnel

On 18.01.2012 Anas Veneto presented the conceptual design to complete the SS50 Feltre bypass, which includes construction of a 3.5 km-long bi-directional tunnel under the Telva mountain. More Information

Xiushan rail tunnel completed

Xiushan rail tunnel completed

The 10,303 m-long Xiushan railway tunnel on the 141 km-long Yuxi-Mengzi line of the Pan-Asia Railway eastern line was completed on 10.01.2012, after six years’ work. More Information

Toven tunnel holing imminent

Construction of 13.5 km of dual carriageway from Brattlia in Drevja to Leirosen in the county of Nordland, Norway is underway as part of the new Fv 78 link between the E6 motorway in the east and Rv 17 county road in the west. More Information

Jacobs Engineering awarded I90 contract

Jacobs Engineering Group has been awarded a contract by Washington State Department of Transport WSDOT to provide design services for fire and life safety systems improvement in the Interstate 90 Mount Baker and Mercer Island tunnels. More Information

Cairo metro breakthroughs

Despite a year of political upheaval in Egypt, on 10.01.2012 the 9.46 m-diameter NFM TBM on Line 3, Phase 2 of Cairo metro project broke through into Stadium station after a 1,579 m drive during which best production figures were 24 m/day and 109.5 m/week. More Information

Robbins opens office in Chile

The world presence of Robbins Company has increased with the opening of their 14th office, in Santiago, Chile. More Information

Tender 053/2001 – First Stage - PQ for the Design Build of TBM tunnels contract for Tel Aviv metropolis RED and GREEN LINES

NTA Metropolitan Mass Transit System Ltd is an Israeli government owned company in charge of the design and construction of the mass transit system in Tel Aviv metropolitan area, Israel. More Information

Lai Chi Kok drainage tunnel breakthrough

Construction of Hong Kong’s Lai Chi Kok drainage tunnel has entered its final stage following main tunnel breakthrough in December. The EUR1.3 billion project involves construction 3.7 km of 4.9 m-diameter tunnels to intercept and transfer stormwater from the uphill areas of Lai Chi Kok More Information

CIFA announces new shotcrete machine

CIFA will be unveiling its new CST 8.20 compact shotcrete jumbo at Intermat in Paris on April 16-21. The CST 8.20 joins the established CIFA shotcreting line-up alongside the CSS-3 Step 3, the CSS-3 Crawler, and the PCS 209. The CST 8.20 is designed for tunnels up to 10 m in height and for mining applications. More Information

Sandvik jumbos on five-lane tunnel in Brazil

Sandvik jumbos on five-lane tunnel in Brazil

Four Sandvik drill jumbos are engaged in developing the widest tunnel in Latin America to house four conveyor runs and a service road. More Information

HS2 railway London-Birmingham approved

The second high speed railway line to be built in the UK will run 225 km from London Euston to Birmingham New Street. The first section out of Euston will require a 4.4 km tunnel at Ruislip, and a second new 2.25 km-long tunnel will be driven beneath the Chiltern hills at Amersham. More Information

Odebrecht and Robbins triumph at Olmos

Odebrecht and Robbins triumph at Olmos

The Olmos aqueduct in the high Andes will transfer water from the Atlantic basin to the Pacific basin to irrigate one of the driest regions of Peru. Breakthrough of the final 12.5 km-long section was achieved by a 5.3 m-diameter Robbins main beam TBM on 20.12.2011 after an epic drive through bursting rock using novel support and operating techniques. More Information

Big Chinese TBM for Yangtze crossing

The first independently developed compound slurry TBM has been presented by China Communications Construction Company Tianhe. More Information

Turin Hosts INTERtunnel 2012

INTERtunnel 2012 will be held in Turin 27-29th March, 2012 at Lingotto Fiere exhibition centre along with the rail EXPO Ferroviaria. INTERtunnel is an established platform for the international tunnelling industry to showcase new products and technologies. More Information

Spain – Updates from Line 9 at Barcelona

The EPB/hard rock mixed-mode 11.95 m-diameter tunnelling machine known as Besi, supplied by NFM for the excavation of metro line 9 in Barcelona, has reached Lesseps station. More Information

Crossrail tunnelling to commence from Royal Oak

The first of eight TBMs for London’s Crossrail project is a 140 m-long, 1,000 t machine manufactured by Herrenknecht, which is currently undergoing factory testing prior to being shipped and reassembled at Westbourne Park. More Information

Happy holidays to all our readers!

The management and staff at tunnelbuilder ltd send greetings and good wishes to all our readers around the world at this festive time. It has been a tough year for some of our supporters, but a good year for the tunnelling industry, with over 500 valuable bids advertised on our front page. So eat, drink and be merry! And be thankful that our industry is proving resilient enough to survive the ongoing financial trauma facing everybody else…..51/11. More Information

Chile cross-border priorities

According to the new ten-year plan agreed by Union de Naciones Suramericanas, 31 major projects are to be undertaken in South America. Chile’s priorities have not changed, and remain: the ... More Information

Letter of intent signed for Karawanken dualling

Slovenia and the Austrian province of Carinthia signed a letter of intent on 09.12.2011 to build a second tube for the 7,864m-long Karawanken road tunnel. More Information

Robbins EPBs bore Final Meters in Zhengzhou

Robbins EPBs bore Final Meters in Zhengzhou

Zhengzhou, China is one step closer to becoming a national crossroads for rail traffic with the breakthrough of two EPBs. The 6.3 m (20.7 ft) Robbins TBMs have set a Chinese EPB record in the process, excavating up to 720 m (2,362 ft) in one month. The swift machines boring the Metro Line 1 holed through in October and November 2011—at least two weeks ahead of schedule. More Information

Atlas Copco to acquire GIA.

Stockholm, Sweden, December 16, 2011: Atlas Copco AB has agreed to acquire the underground business of GIA Industri AB from Vätterledens Verkstad AB. With the acquisition, Atlas Copco broadens its offering with products including electric mine trucks, utility vehicles and ventilation systems. More Information

Listec line type heat detector

Listec GmbH of Isen, near Muenchen in Germany is supplying its line type heat detector to two major European projects: Line C of Rome metro, and Frejus road tunnel. More Information

Crossrail unveils its first tunnelling boring machine

Crosssrail has unveiled the first of eight, 1,000 tonne tunnel boring machines that will construct the its tunnels under central London More Information

Emcor SA seeks agents to promote their products.

Emcor SA, a Spanish company that manufactures and supplies materials for the tunnelling and mining industry, is looking for agents and/or companies to introduce and sell these products in Austria, Germany, France, Finland and Russia. More Information

New Rotterdam river crossing approved

New Rotterdam river crossing approved

On 08.12.2011 Dutch transport minister Melanie Schultz van Haegen gave the green light to build the Blankenburg road tunnel, west of Rotterdam. More Information

Chile – Seli has completed the exploratory tunnel for Los Bronces mine

On November 17, 2011 just over two years after works began, the Seli TBM completed the excavation of an 8km exploratory tunnel for the Los Bronces mine. Los Bronces is one of the largest copper mines in the world, and is located near Cordigliera in the Andes. More Information

USA – The state of Virginia signs off road and tunnel contracts worth USD 3 Billion

A joint venture between Skanska Infrastructure Development and Macquarie Group worth US$2.1 Billion was approved by VDOT to build a new Midtown Tunnel and to rehabilitate the existing Midtown tunnel in Virginia. More Information

CIFA formworks for Strategic Tunnel Enhancement Programme (STEP)

As a part of the new Strategic Tunnel Enhancement Programme (STEP) awarded by ADSSC of Abu Dhabi to Impregilo for the construction of the 2 lots T02 and T03, CIFA will supply formworks for the cast lining on site. More Information

Naples Line 6 reaches Municipio

Naples Line 6 reaches Municipio

On 23.11.2011 breakthrough was achieved on the Mergellina-Municipio section of Naples Line 6 when the Wirth EPB TBM reached the exit shaft in Municipio. Excavation of the 2,902 m-long, 8.25 m-diameter tunnel below the water table started in October, 2007. More Information

MoU signed for Belgrade metro

On 18.11.2011 a Memorandum of Understanding was signed between the city of Belgrade and Alstom Transport South Europe for construction of a new EUR1billion public rail transport system. A 15-month preliminary study by Egis Rails will determine the full technical and operational features of a 15 km line (L1) with 4.5 km underground and 25 stations. Located on the southern bank of the Danube, the Y shaped line will connect the central districts of the city, linking Ustanicka-Novi Merkator to Tvornicka on one branch, to Zelesnicka Stanica Novi Beograd on the other. More Information

Normet concrete sprayer debuts in Mexico

Normet concrete sprayer debuts in MexicoNormet introduced its new Alpha series diesel hydraulic mobile concrete sprayer, the Semmco Alpha 30, at the recent CIM mining convention in Acapulco, Mexico. ... More Information

Final breakthrough for T-Connection in Norway

Final breakthrough for T-Connection in NorwayOn 13.10.2011 final breakthrough for the 9 km-long undersea tunnel of Norway's T-Connection was safely achieved by contractor AF Gruppen AS. The project, ... 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