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Algiers Metro TBM factory acceptance
17 January, 2019
Algeria – A CREG TBM has undergone factory acceptance ahead of delivery to the Algiers Metro Extension project. The 10.5m-diameter EPBM will bore a the 9.5km from El Harrach Station to Houari Boumediene International Airport. The contractor is Seli Overseas.
Metropolitana Di Napoli
21 September, 2018
Paola De Pascali talked to Giuseppe Molisso, Ansaldo’s project director, about challenges met during construction of Naples Metro Line 6, situated in a dense historical and artistic environment
Tunnelling in the jungle
22 January, 2018
Snakes and hard sandstone were among the challenges facing Seli Overseas on a new 11.5km low pressure headrace tunnel for a hydroelectric project in Laos
Bergen Point tunnel contract moves forward
18 January, 2018
US – Suffolk County Department of Public Works (SCDPW) in New York awarded the Bergen Point WWTP outfall replacement contract to low bid contractor OHL/Posillico/SELI Overseas in January.
Why hold back those tiers
12 October, 2017
Martin Knights looks at the process of cooperation and innovation, and calls for a more collegial approach
Balancing the old with the new
21 August, 2017
Creating Thessaloniki’s first ever metro system means striking a balance between preserving historic artefacts and delivering a state of the art public transport system
Xe-Pian Xe-Namnoy project holes through early
07 April, 2017
Laos – The headrace tunnel has been completely mined on the Xe-Pian Xe-Namnoy Hydroelectric Project in southern Laos. The feat is three months ahead of schedule and was accomplished by Seli Overseas using a Terratec TBM.
Tunnel construction is complete on Copenhagen’s Cityringen
23 February, 2017
Denmark - The four TBMs excavating Copenhagen's Cityringen have completed their drives, twin tunnels comprising 15.5km in long, client Metroselskabet announced February 20.
Xe-Pian Xe-Namnoy hydropower project TBM passes halfway
11 August, 2016
LAOS – The TBM boring the Xe-Pian Xe-Namnoy project passed the halfway point in early July. The TBM, a 5.74m-diameter double shield, was manufactured by Terratec and launched from an 500m-long adit constructed by drill and blast in summer 2015.
Vishnugad-Pipalkoti TBM acceptance
20 April, 2016
INDIA -Factory acceptance for the TBM bound for the 444MW Vishnugad-Pipalkoti hydropower project took place last week. The 9.86m-diameter Terratec hard rock double shield TBM will excavate the 13km of tunnels for the project, which is located in the estate of Uttarakhand, around 500km northeast of Delhi.
India's growing pains
17 February, 2016
Metro projects and hydropower schemes continue to drive India’s tunnelling market, and more opportunities are yet to come but challenges remain in the competitive market, Bernadette Ballantyne reports
Tunnelling completed on Evergreen Line
01 December, 2015
CANADA – Officials announced that tunnelling has completed on the Evergreen line in Vancouver on 27 November, although previous delays will push back the opening to 2017.
Xe-Pian Xe-Namnoy TBM starts work
15 April, 2015
Laos – March saw the start of TBM tunnelling works on the 11.8km-long, low-pressure headrace tunnel for the Xe-Pian Xe-Namnoy Hydropower Project.
Breakthrough at Copenhagen
10 February, 2015
DENMARK – The two Copenhagen Cityringen TBMs broke through last month. The site, located some 30m below an existing historical train station, hosted a visit by Danish prime minister Helle Thorning-Schmidt.
30 January, 2015
The Tunnelling Association of Canada’s regional directors give their annual reports on the industry.
Xe-Pian Xe-Nammoy Project TBM en route
15 December, 2014
LAOS - A double shield TBM in on its way to the Xe-Pian Xe-Nammoy Hydropower project. The project calls for the construction of two central cored rock fill dams, waterway tunnels with a vertical shaft and a powerhouse generating capacity at 410MW.
06 November, 2014
In partnership with the Tunnelling Association of Canada (TAC), every October Tunnels & Tunnelling North America publishes the annual TAC regional director’s report. The four directors take a look at the country’s current marketplace for tunnelling and underground construction, as well as milestones over the past year.
Terratec lands Turkish and Laotian TBM orders
16 June, 2014
Manufacturer Terratec recently announced two new TBM sales. The machines are destined for the Istanbul Metro project in Turkey, and the Xe Namnoy hydropower project in Laos respectively.
04 December, 2013
TBMs, hybrids, and pipejacking technology are finding greater applications and opportunities in mining, reports Patrick Reynolds
TBM in Mumbai achieves record production rate
21 November, 2013
A Robbins 6.25m diameter mean beam TBM excavating the 8.3km Mumbai Water Tunnel has achieved a record-breaking rate for tunnelling in India, the company announced late last week.