Latest from Tunnels and Tunnelling


RATP awards contract on future Line 14
23 February, 2018 The consortium led by Vinci Construction (Dodin Campenon Bernard, lead company; Vinci Construction France; Vinci Construction Grands Projets and Botte Fondations), together with Spie batignolles (Spie batignolles Génie Civil and Spie batignolles Fondations), has been awarded a major contract as part of the Grand Paris Express programme.
  • Tunnelling machinery safety dispute resolved
    International - Word is emerging this week that the ongoing dispute over responsibility for tunnelling machinery safety in Europe between the European construction machinery safety committee CEN/TC151 and the European mining machinery safety committee CEN/TC196 has been resolved. A similar dispute at International Standards level between the same sector interest groups has also been resolved.
  • BNSF invests in Flathead Tunnel work
    US - BNSF Railway Company (BNSF) announced February 13 that its 2018 capital expenditure program in Montana will be approximately USD 135M with a component for improving the seven-mile Flathead Tunnel.
  • Port Authority approves Holland Tunnel rehab
    US - The Port Authority Board of Commissioners approved on February 15 a major rehabilitation and resiliency project for the Holland Tunnel to repair and restore critical mechanical, electrical and plumbing systems caused by Superstorm Sandy, and to install protective measures to mitigate future flooding in the facility.
  • CBE delivers technical gallery moulds
    China - French mould manufacturer CBE has delivered moulds for an unusual project. The city of Chengdu in China’s Sichuan province is constructing a ‘technical gallery’. The project calls for two tunnels, each split into two chambers (see photo). The first tunnel is to carry both sewage and electrical cables and the second is to carry water and electrical cables.


Teach a lesson
07 February, 2018 A free resource to promote and educate tunnelling engineers of the future. Paola De Pascali speaks with Gerard Quigg, past chair of the BTSYM’s Schools and Universities committee to understand how the Teaching Pack works.
  • Alternative fuel risks
    Traditional vehicle fuels such as petrol and diesel are being exchanged at an ever accelerating pace by alternative energy carriers. From a risk perspective, batteries and gaseous fuels introduce new risks. Road tunnels and underground garages were identified as potential high-risk zones. A research project at RISE, Research Institutes of Sweden (formerly SP), was recently carried out to review current knowledge and Swedish stakeholders’ views of the issue
  • French Revolution
    Automation of the steering and piloting for TBMs using a system developed by Vinci Construction engineers in the 1980s is continuing to deliver benefits. Bernadette Ballantyne reports
  • Risk management in major projects
    On the 19th of October, four speakers from across the tunnelling industry gave their perspective on the management of risk in tunnelling and major infrastructure projects.
  • Smart Ground Support
    Nicholas Vlachopoulos, professor with the Royal Military College of Canada, and Bradley Forbes, PhD candidate at Queens University, share their research into continuous strain monitoring using fiber optics


Pipe dream?
06 February, 2018 At a presentation to a council meeting in the final week of January, Elon Musk’s tunnelling company presented plans to tunnel under western Los Angeles.
  • Advance through apathy
    The Zojila Pass Tunnel may go ahead, finally, as it received government approval this month. The project is to build an all-weather road route to Jammu and Kashmir, featuring a 14km-long tunnel.
  • Expanding Engagement
    Montreal, home to miles of underground city amenities offering residents access to shopping, dinning, transit and entertainment, while connecting them to above ground buildings and facilities—a network especially appreciated during the harsh winter months—played a perfect host for Han Admiraal and Antonia Cornaro of the International Tunnelling and Underground Space Association’s Committee on Underground Space (ITACUS).
  • What’s the risk?
    This month I am stealing a comment hook from the British Tunnelling Society again. At the October meeting, the evening’s lecture was on the management of risk in tunnelling and major infrastructure projects.
  • Bigger isn’t always bad
    The global tunnelling industry is worth USD 1.5tr, according to a new report released in August by Timetric. Leading the pack is Europe, with a project pipeline of almost USD 575bn, surpassing Asia-Pacifi c by a mere USD 10bn. The report attributes this economic success for the region to mega-projects for high-speed and metro rail system expansion.


    14 Mar 2018 - 16 Mar 2018 Organisers: RISE Research Institutes of Sweden
    25 Mar 2018 - 29 Mar 2018 Organisers: Benjamin Media
  • INTERtunnel
    25 Mar 2018 - 28 Mar 2018 Organisers: Mac Brooks