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Päijänne - world's longest tunnel

Päijänne - world's longest tunnelReader Juha Huovilainen juha.huovilainen@marimils.fi has updated the tunnelbuilder Hall of Fame entry for Päijänne tunnel in Finland. After 27 years as the ... More Information

Deo Ca Pass tunnel in Central Vietnam moves forward

Deo Ca Pass tunnel in Central Vietnam moves forwardThe twin tube Deo Ca Pass highway tunnel will have a total length of 5.45 km. Phu Yen and Khanh Hoa provincial administrations are supervising ... More Information

World's longest water diversion tunnel

World's longest water diversion tunnelThe 85.3 km-long, 8 m-diameter tunnel from Hengren county to Xinbin county in East Liaoning will deliver water from Dahuofang reservoir to more than 10 million ... More Information

Art and craft

Art and craftIn Ireland, Limerick County Council is advertising for artists to create permanent outdoor artwork for their ring road and tunnel, for which they will pay EUR500 to each of the five ... More Information

Safe tunnelling in urban areas

Safe tunnelling in urban areasMeyco Global Underground Construction has announced that the BASF TBM 2009 conference will take place in Singapore from 5-7th November. The emphasis will be on EPB and ... More Information

Big 5 PMV moves to Dubai Arena

Big 5 PMV moves to Dubai ArenaBig 5 PMV, the most important event for construction plant, machinery, equipment and vehicles in the Middle East, will take place from 23-26 November, 2009 in The ... More Information

Tunnel Construction Services RFQ

Tunnel Construction Services RFQNew York City Economic Development Corporation (NYCEDC) is inviting construction firms to submit a Statement of Qualifications for the provision of construction ... More Information

Recession survivors guide

Recession survivors guideOf the 14 major economies that went into recession, Japan, France and Germany have already hauled themselves out, and will progressively be followed by their peers. Most of ... More Information

Second Herrenknecht launched at Veligonda project

Second Herrenknecht launched at Veligonda projectThe 7.96 m-diameter hard rock double shield Herrenknecht TBM launched at Dornala last year on an 18.5 km water tunnel drive has been joined by a ... More Information

Big plans for Korea traffic

Big plans for Korea trafficKorea currently has 25 expressway routes totalling 3,103 km, a figure that will increase to 4,000 km by 2010 and 6,160 km by 2020. Design work will start in 2010 on a ... More Information

IWMA to meet in London

IWMA to meet in LondonThe International Water Mist Association conference is taking place at the Hilton Hotel in Paddington, London from 23.09.2009 to 24.09.2009. Sponsored by Fogtec, Tyco, Danfoss ... More Information

Tunnel waterproofing

Tunnel waterproofingTunnel waterproofing - a new level of protection Stirling Lloyd specializes in the development, manufacture and application of high-performance waterproofing and structural ... More Information

Progress on Guang-Fo line in Guangzhou

Progress on Guang-Fo line in GuangzhouThe 32.2 km-long Guang-Fo Line is part of the Chinese government's Intercity Rapid Rail Project to link nine cities in Guangdong Province by 2015, including ... More Information

Heavy going in Albania

Heavy going in AlbaniaBechtel-Enka, the US-Turkey consortium building the 57 km-long motorway between Rreshen and Kalimash, has reported its experience on the 5.5 km-long NATM twin tube tunnel at ... More Information

First section of Duplex A86 opens west of Paris

First section of Duplex A86 opens west of ParisThe first 4.5 km section of Duplex A86, between Rueil-Malmaison and the A13 motorway interchange in Vaucresson Le Chesna opened on 01.07.2009. The ... More Information

Three new lines for Dalian metro

Three new lines for Dalian metroConstruction of 58.1 km of subway lines 1, 2 and 4 commenced on 25.07.2009 at Dalian, one of the largest cities in northeast China's Liaoning Province, where a total ... More Information

Longest Indian rail tunnel progress

Longest Indian rail tunnel progressIndian Railways has almost completed the 7.5 km stretch of its 11 km Pir Panjal tunnel project in the State of Kashmir, the longest tunnel in the country (in/36). ... More Information

Sofia metro gets underway

Sofia metro gets underwayWork began in July, 2009 on the new stretch of Sofia metro line 1 to connect the Obelisk - Serdika and Vasil Levski Stadium - Mladost 1 sections, which themselves will be ... More Information

Barcelona St Just tunnel looking good

Barcelona St Just tunnel looking goodIn November, 2008, two 5.98 m-diameter double shield TBMs, one from SELI and the other from Herrenknecht, started to bore the 11.5 km-long St Just water tunnel ... More Information

Pajares twin tunnels completed

Pajares twin tunnels completedThe second tube of the 24.6 km-long Pajares twin tunnel on the high-speed railway link between Leon and Asturias in northern Spain was completed on 11.07.2009. The ... More Information

Santa Cristina bypass opens in Val Gardena

Santa Cristina bypass opens in Val GardenaThe new 1.6 km Santa Cristina bypass opened in Bozen province on 17.07.2009. Overall cost was EUR32.1 million, of which EUR4.8 million was spent on Monte ... More Information

Two more NATM tunnels completed on the Madrid-Murcia high speed line

Two more NATM tunnels completed on the Madrid-Murcia high speed lineThe single-tube, 85 sq m section, 2.2 km-long Loma del Carrascal tunnel on the 10.9 km-long Cuenca-Olalla section of the ... More Information

Mühlhäuser catalogue goes online at tunnelbuilder.com

Mühlhäuser catalogue goes online at tunnelbuilder.comOur good friends at Mühlhäuser, who have been celebrating over 100 years in the mining and tunnelling equipment business, have entrusted ... More Information

Major HATS award to Leighton Asia JV

Major HATS award to Leighton Asia JVThe design/construct contract for a 7.5 km-long drill/blast tunnelled section of Hong Kong's latest sewage conveyance system, value EUR235 million, has been ... More Information

Mike Rispin to head Normet in North America

Mike Rispin to head Normet in North AmericaNormet, the Iisalmi, Finland based provider of underground mining and tunnelling equipment and care solutions has announced the appointment of Mike Rispin ... More Information

Lyon metro Line B extension starts

Lyon metro Line B extension startsOn 09.07.2009 the 1.7 km extension of Line B of the Lyon metro from Gerland to Oullins, with a crossing of the Rhone river, got underway. A 9.5 m diameter TBM will ... More Information

Spanish line advances towards France

Spanish line advances towards FranceOn 07.07.2009 the 649 m-long Sant Andreu tunnel on the 3.3 km Sant Julia de Ramis-Cornella del Terri subsection of the Madrid-Barcelona-French border high-speed ... More Information

BASF Meyco updates its company profile

BASF Meyco updates its company profileLongtime sponsor of tunnelbuilder.com BASF Meyco has updated its profile to reflect the changes to the company over recent years, and its focus on expanding ... More Information

Progress on Madrid-Castilla La Mancha-Valencia-Murcia high-speed link

Progress on Madrid-Castilla La Mancha-Valencia-Murcia high-speed linkOn 02.07.2009, the 2.2 km-long Loma de Carrascal tunnel on the 10.9 km Cuenca-Olalla subsection of the Madrid-Castilla La ... More Information

Breakthrough on Camarillas railway bypass

Breakthrough on Camarillas railway bypassAfter a 140-day drive, on 03.07.2009, TBM Nenica broke through on the longest tunnel (2,250 m) of the Camarillas railway bypass on Spain's ... More Information

CAT man for Lovat

CAT man for LovatDick Cooper, general manager of Caterpillar Global Mining Operations for the Melbourne and Burnie facilities, has taken Lovat Tunnel Equipment under his wing, succeeding Rick Lovat ... More Information

ITA sets up training foundation

ITA sets up training foundationThe goal of the ITA-CET foundation is to be the link between universities, research facilities and consultancies and all types of professionals working in the ... More Information

BarChip fibre passes ten year milestone

BarChip fibre passes ten year milestoneBarChip is a highly engineered synthetic fibre produced by Elasto-Plastic Concrete (Europe) Ltd that has been developed to meet the toughest demands of the ... More Information

Robbins HP TBMs bore water tunnels in Andhra Pradesh

Robbins HP TBMs bore water tunnels in Andhra PradeshOn 24.06.2009 a 10.0 m High Performance (HP) Robbins Double Shield started to bore under the Nagarjuna Sagar National Park, the second tunnel of ... More Information

Singapore LTA awards two DTL2 stations to Sembawang

Singapore LTA awards two DTL2 stations to SembawangSembawang Engineers and Constructors, part of the Punj Lloyd group, has pocketed the EUR186 million contract for Botanic Gardens and Stevens ... More Information

Robbins HP TBMs bore water tunnels in Andhra Pradesh

Robbins HP TBMs bore water tunnels in Andhra Pradesh Minister for Major Irrigation Ponnala Lakshmaiah formally launched the drilling of the second tunnel of the Pula Subbaiah Veligonda project in ... More Information

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Tunnelling News

Successful Breakthrough of Gudauri Tunnel in Georgia's North-South Corridor KK Highway Project

KAZBEGI, Georgia, April 23, 2024--The 10-kilometer LOT1 Section is constructed by China Railway Tunnel Group Co., Ltd., of which the Gudauri ... More Information

Construction of Shinku La Tunnel to bolster all-weather connectivity in Ladakh Rising Kashmir

Leh, Apr 21: Member of Parliament from Ladakh, Jamyang Tsering Namgyal, announced that work on the strategically vital Shinku La Tunnel is set to ... More Information

Tunneling works for key Davao bypass road seen completed this year

The Davao City Bypass Construction Project is among the 14 foreign-assisted infrastructure projects approved by the National Economic Development ... More Information

Hamptons Subway Cuts Ribbon on New Foxwoods Tunnel

Hamptons Subway, with U.S. Transportation Secretary Pete Buttigieg, cut the ribbon to begin construction of the new tunnel from Sag Harbor to ... More Information

_TBM quartet tackles differing geology on twin bore tunnel under London

All four tunnel boring machines are now working on HS2's Northholt tunnel, which is divided into two geologically differing sections. More Information

CRCHI video

New CRCHI video for world leading underground equipment - Technology innovates the world... More Information

Deer Creek update

Exciting update from the Deer Creek project team! The Wasatch Worm is almost in the ground and will be ready to start tunneling this week. Over the next few months, it will be devouring a ... More Information

Stonehenge tunnel: Underground cabling installed, while other enabling works paused

The scheme, which involves the construction of a new 12.8km two-lane dual carriageway with a 3.2km tunnel under the Unesco World Heritage Site, was ... More Information

Nepal's first transport tunnel being built with Japanese assistance

Nepal and Japan signed the contract for construction of the tunnel on September 23, 2019, while the commencement started on November 14, 2019. More ... More Information

Cowi selected as technical advisor on world's first ever ship tunnel proposed in Norway

Construction is currently estimated to begin next year. The objective of the Stad Ship Tunnel project is to improve the navigability and safety of ... More Information

How Arnold Dix became a Himalayan hero after rescuing 41 workers from Indian tunnel collapse

Arnold Dix slid his hand into a gap in the rock at the entrance to a tunnel where 41 men were trapped alive, put his back against the cold stone and listened, and felt, and listened some ... More Information

Central Interceptor Tunnel Boring Machine

Watercare Services Limited’s Central Interceptor Tunnel Boring Machine, Hiwa-i-te-Rangi, has achieved a significant milestone, reaching 10,000m (10 kilometres) since leaving Māngere in ... More Information

New tunnelling machine joins three others digging high-speed line under London

Construction of the new HS2 line has hit another major milestone with the launch of the fourth – and final – machine being used to build the giant Northolt Tunnel beneath the capital... More Information

Lower Thames Crossing planning decision moves a step closer

On 21 March, the Planning Inspectorate confirmed that the Examining Authority has sent their recommendation report on the Lower Thames Crossing Development Consent Order (DCO) application ... More Information

AECOM-Jacobs JV signs on to $6B Amtrak tunnel job

Amtrak is gearing up to dig deep in Baltimore. The railroad company selected ADVANCE, a joint venture between Dallas-based infrastructure firms AECOM and Jacobs, to serve as the delivery ... More Information

Lower Thames tunnel boosts new orders data

UK construction contract awards reached their highest level in February 2024 for seven months, according to one of the industry's data monitoring ... More Information

The incredible new £53m tunnel in Spain linking two pretty cities

The work is part of efforts to modernise the railway line between Ourense and Lugo in the autonomous Galicia region. Spanish construction giant ... More Information

ECRL hits new milestone with the completion of three tunnel excavations in Bentong district

The ECRL project features the construction of 41 tunnels with a total length of approximately 69 km along its rail alignment. Section A (Kota Bharu- ... More Information

Boring Co. receives go-ahead to drill more Vegas Loop tunnels

LVCVA President and CEO Steve Hill offered the company access to safety officers after the company was fined $100000 for construction violations ... More Information

Biden-Harris Administration Announces Nearly $4 Billion in Support

The project includes construction of a new two-track heavy rail tunnel along the Northeast Corridor from the Bergen Palisades in New Jersey to ... More Information

World's Longest Twin-Lane Tunnel Inaugurated In Arunachal Pradesh

Constructed by the Border Roads Organisation (BRO) for INR 825 crore, the tunnel is strategically vital due to its proximity to the Line of Actual ... More Information

The £13.3bn tunnel 8.5 miles long that could transform one of the world's biggest cities

The Second Avenue Subway's per-mile construction cost is higher than that of other projects in similar cities like London's Crossrail and Paris's ... More Information

First look inside Silvertown tunnel as TfL confirms summer 2025 opening

... tunnel construction in the face of environmental concerns. Construction is costing about £1bn – with a further £1.2bn due in annual repayments ... More Information

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