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WT Mar 2010


Short cut to nowhere

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Global News

‘Unforeseen geological event’ closes hydropower station

A tunnel collapse has shut down Ethiopia’s newest and biggest hydropower station only weeks after it was opened.

Aquajet makes light work of Montreal tunnel

Extensive hydro-demolition is under way on Montreal’s Highway 720 Ville Marie tunnel, as part of refurbishment works necessitated by failing concrete.

Positive start for Normet

Normet has announced a promising start to 2010 with a capacity expansion in Finland, a new spare-parts centre in Holland and a big order from Hong Kong

New appointment at Normet

Normet International has appointed Odd-Bjørn Kleven as director of tunnelling and special projects, a position which he has already taken up.

UK tunnel/shaft lining spec nears

British Precast, the trade body for the UK concrete products industry, has started preparing a new specification for precast tunnel and shaft linings.

Robbins TBM turns Mexican heads

Following an official cutter-turning ceremony in January, the largest TBM ever seen in Mexico began excavating the 7.7km tunnel for Mexico City’s Line 12 metro.

Cavico in second Hua Na power station deal

Vietnam-based infrastructure construction specialist Cavico has signed a new agreement with state-owned Lilama for additional construction work at the Hua Na Hydropower plant in Vietnam.

BAM Nuttall wins Blackwall Tunnel refurb contract

UK-based BAM Nuttall Group (BNG) will be refurbishing the northbound bore of London’s Blackwall Tunnel under a US$76 million contract, signed recently with Transport for London.
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Free as a bird

A geologist and civil engineer by training, Boston area-based geoconsultant Dr Peter J Tarkoy is a controversial and self-styled visionary in the tunnelling industry. He talks to George Demetri

From the ground down

Innovative and patented ground-consolidation technologies were used for a series of structural and waterproofing measures on this tunnel project in Austria

Where are we with slurries?

Barry L Sorteberg, president of Clean Slurry Technologies, looks at the current state of play in slurry technologies

Your ITA needs you

The recent WT Roundtable raised serious questions about the function of the International Tunnelling Association (ITA). Here is an edited transcript of the debate

Mexican TBMs roll off global assembly line

TBM manufacturing is becoming a truly global affair. George Demetri reports on a project in Texas which brings together a world-wide manufacturing and shipping effort

The big fair with the best ware

With Bauma just around the corner on April 19-25 at the New Munich Trade Fair Centre in Munich, Germany, we take a look at selected exhibitors from the tunnelling sector
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WT Mar 2010
Past issues

Professional PlacementsProfessional Placements: Executive Director - PDAC

The Prospectors & Developers Association of Canada (PDAC) is seeking an Executive Director (ED) to oversee its operations from its headquarters in Toronto, Ontario

Russian precious metals company Polymetal International plc’s commitment to establishing an extensive pipeline of growth projects has continued with the acquisition of the Kyzyl gold project.
Russian precious-metals company Polymetal International plc has made significant progress at the Semcha platinum-group metals (PGM) property in the past year as it moves the project towards a preliminary economic assessment
The Republic of Guinea intends to launch, pursuant to the mining Code, a competitive and transparent invitation to tender for three bauxite mining blocks located in the prefectures of Boffa, Boké and Télimélé.
Indochine Mining Limited is developing a high-grade gold project at Mt Kare in PNG by rapidly developing wide, high-grade gold zones
Sarama Resources is a West Africa-focused gold explorer with substantial landholdings in Burkina Faso, Liberia and Mali.

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