WT Mar 2010
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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.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.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 KongNew 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.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.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.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.Features
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
