Today on Tunnels & Tunnelling International


EPBM chosen for Chalco Valley project
21 July, 2014 A giant canal tunnel will be built using an EPB tunnelling machine in Mexico¹s Chalco Valley over the next three years, following the contract being awarded earlier this year to Mexico-based construction company, Empresas ICA.
  • Fourteen rescued after 131 hours underground
    Fourteen workers were rescued from a railway tunnel collapse in southwest China's Yunnan Province in the early hours of Sunday 20 July after more than five days trapped underground, Xinhua News Agency reported.
  • Tunnel highway project in quandary
    The Nepali government on 12 July asked Nepal Purwadhar Bikas Company Limited (NPBCL), the developer of Kathmandu-Hetauda Tunnel Highway, to provide the details of latter’s funding plan within two weeks.


Forming a Solution
27 June, 2014 Ben Roberds and Eric Gemin of Redpath describe the top heading and bench excavation method for the Waneta Expansion Project, and the challenges and benefits of using a self-advancing tunnel form on a 17 per cent slope.
  • The Seattle Saga
    After six months of tunnelling standstill, construction is tarting on an access shaft to repair the TBM mining the SR 99 bore in Seattle, the largest diameter machine in the world. Nicole Robinson explores the machine’s initial journey and downtime.
  • City of expansion
    By the end of the year there should be three separate tunnelling contracts underway in Los Angeles to expand the region’s public transportation system. Nicole Robinson looks at each project.
  • Crossing the tracks
    San Francisco’s Central Subway moves below rail lines, utilities and more, Desiree Willis of Robbins reports.
  • How the west was won
    Tunnelling work is as diverse and plentiful as the geography in the West Coast.


Next Generation
18 June, 2014 Recently, various reports have been released that confirm the ever-widening gap between the Millennial generation and the preceding Baby Boomers.
  • ITA turns 40
    WHEN CONSIDERING an anniversary it is always fun to delve into the archives and see what the past can reveal. The International Tunnelling Association's 40th birthday is no exception and when routing through the early editions of Tunnels we happened across an interview with Alan Muir Wood ahead of the first ITA meeting in Oslo, 1974.
  • Spending Spree
    This month marks the fifth anniversary of the Recovery Act, the government’s attempt to create new jobs and spur economic growth at a time when the economy seemed very bleak. Congress and President Obama issued USD 787bn in tax cuts, funding for entitlement programs (such as unemployment benefits and funding for federal contracts), grants and loans, which was later upped to USD 840bn.
  • In with the new
    In a Finnish conference hall in 2011, Sao Paulo hammered both Singapore and Sydney, and was selected to host the World Tunnel Congress in 2014.
  • Public opinion
    Almost four years ago Congress passed the Affordable Care Act (ACA) dubbed "Obamacare" by detractors. As this new year begins most aspects of the ACA that haven't already started are now effective-such as the health care exchanges for people buying their own plans, and making it illegal for insurers to deny coverage based on preexisting conditions.


Tunnel Expo Turkey
28 Aug 2014 - 31 Aug 2014 Tunnel Construction Technologies and Equipment Fair
  • No-Dig Live 2014
    16 Sep 2014 - 18 Sep 2014 12th biennial trenchless technology exhibition, outdoor demonstrations and seminars
  • InnoTrans 2014
    23 Sep 2014 - 26 Sep 2014 Full Name: Annika Fila Position: Managing Director Company: UK office of InnoTrans Department: Sales & Marketing