Today on Tunnels & Tunnelling International


Jakarta MRT underground construction work kicks off
16 April, 2014 Project manager PT Mass Rapid Transit Jakarta announced that work started on the underground section of Jakarta’s first metro line on 4 April.
  • Rail package evokes 'tremendous' interest among international firms
    A prequalification process, launched by Oman Rail with the aim of identifying competent bidders for its main construction package, has elicited interest from a record 102 civil engineering/construction firms from around the world, including a number of international heavyweights.
  • Work on 'miracle' metro project kicks off
    Work on the USD 22.5bn Riyadh Metro project began on 3 April, and Riyadh Governor Prince Khaled bin Bandar, who launched the ground-breaking work, said the project would be completed in 48 months.
  • Dagachhu hydropower project to be running by mid-July
    With the completion of dam construction at the 126 MW (2x63 MW) Dagachhu hydroelectric project--located on the left bank of the Dagachhu river in Dagana Dzongkhag, in the south-western part of Bhutan--and the river diverted to its original course through the dam, major civil works of the project at its intake is complete.


The operator In control
26 March, 2014 An awareness of internal and mental processes relating to stress and fatigue is important when preparing for how people will react in a crisis situation. In an unusual twist, Allard Klok, project leader and trainer - tunnelling at Trainingproducties looks not at tunnel user behaviour, but operator behaviour when the pressure is on
  • Shake and bake – Seismic and Geoelectric Prediction
    Tucked in a corner of Bauma 2013, Geo Exploration Technologies set up their stand to showcase Bore Tunnelling Electrical Ahead Monitoring (Beam). The geoelectric system, developed a decade on from the introduction of geo-seismic predictive technology to the tunnelling industry, has a few key advantages claimed, while Amberg’s offering of Tunnel Seismic Prediction gets a revamp. Alex Conacher reports
  • Smooth as silk
    The Croix Rousse Tunnel rehabilitation and expansion project in Lyon, France had a number of technical considerations to overcome. This article is drawn from material provided by Vinci
  • Valley Girl
    The Lyon Turin high speed rail connection calls for a base tunnel under Mount Ambin. Personnel from site manager Systra, and client Lyon Turin Ferroviaire discuss plans for La Maddalena exploratory tunnel, the organisational structure of the stretches of line, and problems that have dogged the project since before site handover
  • Expected Ground
    Michelle van der Pouw Kraan, and Mark Diederichs, Queen’s University, Kingston, Ontario, consider incorporating rock mass failure mechanisms in geotechnical baseline reports.


ITA turns 40
26 March, 2014 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.
  • Canada’s project of the year
    As tunnels went to press the Tunnelling Association of Canada's annual awards were in full swing. The award for best Canadian tunnelling project for 2013 went to a project that had to endure some of the toughest ground conditions, consistently varying, and continually testing the skills and knowledge of the teams involved.


World Tunnel Congress 2014 (WTC)
09 May 2014 - 15 May 2014 40th ITA-AITES General Assembly