Latest from Tunnels and Tunnelling


Lee Tunnel secondary lining complete
03 July, 2015 GREAT BRITAIN – The contractor has completed the secondary lining on the Lee Tunnel project in London, UK. A joint venture of Morgan Sindall, VINCI Construction Grands Projets and Bachy Soletanche, has completed the secondary lining of Thames Water’s 7km sewer tunnel.
  • Worker dies on California microtunnel project
    USA - A 38-year-old worker from Nevada died Wednesday at a microtunnelling site for the Upper Narrows Pipeline Replacement Project in Victorville, California, when equipment malfunctioned, local media reported.
  • Atlanta greenlights quarry tunnel project
    The Atlanta City Council approved a USD 270M project to build a 5-mile- (8km-) long tunnel connecting the Chattahoochee River to and flooding a former rock quarry, creating a 30-day raw water storage vessel, local media reported.
  • Implenia, HOCHTIEF and Thyssen JV to build Gloggnitz Tunnel
    ÖBB-Infrastruktur AG has jointly awarded Hochtief Infrastructure Austria, Implenia Austria and Thyssen Schachtbau the contract to build the Gloggnitz Tunnel, Hochtief announced on Friday, June 12. The total contract volume for the "SBT 1.1 Tunnel Gloggnitz" joint venture (JV) is some EUR 457M (USD 511M). Hochtief’s share is worth around EUR 183M (USD 204.6M), representing a 40 per cent stake in the JV.


Silvertown constructability
30 June, 2015 Constructability for tunnel designs has become an increasingly important input into project development for schemes like the new Silvertown crossing in east London, journalist Adrian Greeman Reports.
  • Chennai challenge
    Can India’s coastal city get its subway on track to deal with ageing infrastructure and a rapidly expanding population Robbins technical writer Desiree Willis investigates.
  • HDD Drivers
    The current market for horizontal directional drilling (HDD) may be reflecting economic and political issues around the world but there’s no doubt that underlying demand remains strong. Keren Fallwell reports.
  • East meets West
    This article on guiding and monitoring work on the Avrasya Tunnel project under the Bosphorus Strait was written by Robert Lensing and Manfred Messing of VMT, and Abraham Corriols, Patrick Hartkorn, and Giuseppe Pezone of ITC Engineering.
  • A break with tradition
    The Tuen Mun-Chek Lap Kok Link will mark a change in sub-sea tunnel construction methods for Hong Kong with TBMs being used for the first time. Sally Spencer reports.


Give a voice to future tech
25 June, 2015 In a previous comment I wrote about ITA president Soren Eskesen's progress with bringing tunnelling to the attention of the UN bodies studying ways to mitigate the effects of flooding and other natural disasters caused by climate change. He has had some success in this, but talking about innovations and actually putting them in place are sometimes a world apart.
  • Closing the gender gap
    Last December, the University of Minnesota’s College of Science and Engineering hosted a very well-attended family fair showcasing science, technology, engineering and mathematics (STEM). Children as young as two years old built bridges out of marshmallows and toothpicks, as part of the civil engineering exhibit, and wide range of other activities designed by student across the various departments captivated the attention of of children of all ages.
  • Lofty hopes for world's highest
    FAR ABOVE the destruction and loss of life caused by the Nepal earthquake last month, climbers sheltering at the Everest Base Camp endured days of avalanches. Huddling together under tables, and taking it in turns to dig one another out of smothered tents.
  • Acknowledging awards
    Hundreds of millions of dollars are spent each year to simply promote movies and television shows for events like the Academy Awards and the Emmys. While superficially glamorous, the prestige is lacking with each passing year, with deeper pockets and a growing number of award shows for the entertainment industry.