Latest from Tunnels and Tunnelling


LATEST NEWS

Sydney harbour crossing awarded
22 June, 2017 Australia – A JV of CPB Contractors, John Holland and Ghella has been awarded the new metro crossing below Sydney Harbour. Ghella takes a 10% share, with CPB (a CIMIC company) and John Holland splitting the remainder equally.
  • Four groups in contest for Zojila Tunnel
    India - Local media has reported that four teams are in the running for the Zojila Tunnel contract in Jammu & Kashmir, northern India. These are: a JV of Reliance Infrastructure and Dogus Construction; Larsen and Toubro; IL&FS Engineering and Construction; Jaiprakash Power Ventures
  • Fort Wayne celebrates ceremonial start to tunnel
    USA - The mayor, Tom Henry, and members of the Fort Wayne City Council, along with staff from the Utility Advisory Group, and contractors S.A. Healy Company and Salini Impregilo, among others, attended a ceremony to mark ground breaking for tunnelling on June 15.
  • NY governor orders accelerated tunnel repairs
    USA – New York's governor Andrew Cuomo announced June 12 orders to accelerate construction on bridges and tunnels in the region, in anticipation of added traffic due to Amtrak emergency repair work.
  • Regional Connector project makes milestone
    US – The TBM excavating twin tunnels for the Regional Connector project in Los Angeles broke through to the Grand Ave/Bunker Hills Station at 2nd/Hope Thursday morning, June 1.

LATEST FEATURES

Dear green place
29 May, 2017 It is the morning after Burns Night and Tunnels and Tunnelling visits the Costain-Vinci Construction Grands Projets joint venture working on the Shieldhall Strategic Tunnel project in Glasgow for client, Scottish Water. One of the main purposes is to stop the disfiguring floods in the city whose name in broken Gaelic means ‘dear green place’
  • The expanse macabre
    Rolzur Eternal Green Solutions is constructing an underground mausoleum in Israel to meetthe growing demand for burial space. Alex Conacher reports
  • Hidden and safe
    Paola De Pascali talked with an Italian Consortium that proposes to put nuclear power plants underground, including the reactor, repositories, and a centre for characterisation, treatment and conditioning of radioactive waste
  • Shape matters
    Sarah Cain and Mark Diederichs of the Geological Sciences and Geological Engineering department of Queen’s University in Kingston, Ontario, study the impact of tunnel shape and profile details on brittle damage development. Cain is the recipient of the Dan Eisenstein Memorial Scholarship, which is awarded annually to a post-graduate student planning to undertake or currently undertaking post-graduate studies in the field of tunnelling at a recognised university in Canada
  • Uncanny valley
    The use of digital technology to improve training is growing in the tunnelling sector withinnovations that can improve safety and save money


BLOGS

All the way up, all the way down
05 May, 2017 More rumblings from California as a SpaceX employee has posted a photo of Elon Musk’s newly acquired TBM to Instagram – before swiftly removing it. Before moving on, a quick glossary: SpaceX is the packleader of several companies that are vying to commercialise and reduce the cost of space travel; Elon Musk is its eccentric South African billionaire owner and Instagram is a social media platform for photographs that boasts 700 million users.
  • Approaching the age gap
    Two-thirds of job openings for engineers in Canada are related to retirement replacement, according to a report released by the association Engineers Canada.
  • Confidence in conferences
    Parallel technical sessions seem to irritate conference goers, with particularly awkward setups being remembered and discussed for years after the event.
  • Calling drifter
    In this issue we have a comment article written by Martin Knights, a past president of the International Tunnelling Association calling on engineers to “value their signature” and think about what they are putting their names to when they sign off on something. It starts on page 18 and is well worth a read.
  • Peak Demand
    The fourth and final unity of the Ingula Pumped Storage Scheme recently went into commercial operation. Most readers will be aware of the need for schemes of this type, but it is interesting to sit down and think about the sheer importance of the end-use of what tunnel engineers are building.