Latest from Tunnels and Tunnelling


30 September, 2015 QATAR - The Qatar Public Works Authority has awarded two contracts for the design and construction of sewage tunnels to Bouygues Travaux Publics (a subsidiary of Bouygues Construction), in partnership with a local contractor, UrbaCon Trading & Contracting. The two contracts are worth approximately EUR 550M (USD 617.5M).
  • Breakthrough at Lal Quila
    INDIA – The TBM boring from Kashmere Gate to Lal Quila in Delhi has completed its journey. Part of Delhi Metro Phase III, contract CC-07 forms part of the extension of the Central Secretariat corridor to Kashmere Gate.
  • Tunnelling VPs appointed at WSP PB
    CALIFORNIA – WSP Parsons Brinckerhoff has named Steve Klein and Steve Dubnewych vice presidents of the firm’s tunnelling practice in California, it was announced September 22.
  • Two more TBMs deploy on Eglinton Crosstown
    CANADA – The Aecon-ACS Dragados Canada Inc. JV will launch the next two TBMs on the Eglinton Crosstown LRT project on September 29, the Ministry of Transportation announced on September 24.


Emergency egress with reduced mobility
25 August, 2015 Peter Bishop, technical director for tunnels engineering at Mouchel raises the issue of providing for the needs of those with reduced mobility during a road tunnel evacuation
  • Bond street takes on the crowds
    A GBP 320M (USD 490M) upgrade of Bond Street London Underground station will add much needed capacity prior to Crossrail’s arrival in 2018. Sally Spencer reports
  • Greek resurrection
    Greece’s financial woes have undoubtedly had an impact on the country’s tunnelling activity, but the sector is resilient and has faced trials before. With many stalled projects under way again, and a few losses incurred to work still in the early phases of planning, things are far from perfect, but there is hope. Sally Spencer speaks with local companies and representatives of the Greek Tunnelling Society to get a handle on a tunnelling industry that in recent decades has been marked by extremes
  • Multitasking in Mississauga
    With six job sites near residential areas, building a new sewer requires well-coordinated operations. Keivan Rafie, project engineer on the Southland Technicore Mole JV and Anthony Parente, director, Wastewater - Region of Peel, report on the Hanlan Feedermain North and Mississauga City Centre Watermain Tunnels, and the JV's inhouse monitoring for noise and vibration.
  • Harbour rescue
    Despite damage by Superstorm Sandy, crews are smoothly wrapping up a successful tunnel project in New York. The journey to TBM breakthrough this January, however, was anything but smooth. Robbins technical writer Desiree Willis reports.


Optimism Abounds
13 August, 2015 At the rapid excavation and Tunnelling Conference (RETC) in New Orleans this June, there was a discernable attitude shift of the industry from 2014 to 2015. At the North America Tunneling (NAT) event in Los Angeles—where a news crew local to Seattle roamed the exhibit hall, looking for answers about the stalled TBM on the Alaskan Way viaduct project—the tone of most conversations expressed hesitation, concern and frustration.
  • Holding out for a hero
    As I write this comment the Greek banks have closed. Accounts, and non-internal payments for the majority of account holders have been frozen and queues of people are lining up on the high streets to withdraw no more than EUR 60 (USD 66.88) per day. Some hours from now it is due to repay EUR 1.6bn (USD 1.78bn) to the International Monetary Fund (IMF), but it has just requested a new two-year EUR 29.1bn aid deal from a bailout mechanism that is in place for Eurozone countries.
  • Give a voice to future tech
    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.


Stuva Conference
01 Dec 2015 - 03 Dec 2015