Today on Tunnels & Tunnelling International


Crossrail 2 preferred route outlined
30 October, 2014 GREAT BRITAIN - Mayor of London Boris Johnson has outlined a preferred route for Crossrail Two. The GBP 20bn (USD 32bn) scheme will run north-south through London. This second route is vital to the UK capital’s growth, according to Johnson, who expressed confidence that the private sector could contribute over half of the cost “in the right circumstances”.
  • Aecom completes URS acquisition
    USA - Aecom announced on 17 October that it had completed the USD 6bn acquisition of URS Corporation. Stock issuance proposals were accepted at each company’s respective stockholder meetings on 16 October.
  • High Speed Three gets green light
    GREAT BRITAIN - The Prime Minister and Chancellor for the Exchequer approved the UK’s High Speed Three (HS3) rail project earlier this week. The route will run east to west across the north of England, connecting the cities of Leeds and Manchester.
  • Crossrail unworried by crane operator strikes
    GREAT BRITAIN - Crossrail does not expect operator strikes against crane hire company HTC will cause any delays to construction, due to limited presence by that company on Crossrail sites. Construction union UCATT said in contrast: “Sites that are set to be affected by the industrial action includes: Crossrail, the London Bridge redevelopment, Nova Square Victoria, Elephant and Castle redevelopment and the Atomic Weapons Establishment at Aldermarston.”


Crossrail Western tunnels: TBM Breakthrough at Bond street station
10 October, 2014 The construction of the Crossrail Western tunnels saw two tunnel boring machines (TBMs) build 13.7km of tunnel below the streets of central London.
  • Crossrail C310
    Geotechnical and tunnelling related specifics in urban tunnelling, and a river crossing with low overburden are covered in this BTS presentation on Crossrail contract C310, Thames Tunnel.
  • Doused by Design
    Interest is rising in water mist spray for fixed fire fighting systems in tunnels. Report by Patrick Reynolds.
  • Rio realised
    Cutting under the dense urban environment of Rio de Janeiro’s southern and western sprawl is calling for a mix of measures, from drill and blast with shotcrete lining, to segmentally lined TBM drives. The mixed ground showed its complexity with a sinkhole earlier this year, but careful monitoring and quick response is keeping the project on track for the 2016 Olympic Games. Technical journalist Rhian Owen reports
  • Top of the box
    Bangkok’s metro system construction is making innovative use of pipejacking for the roof of a new underground station reports Adrian Greeman


Young members matter
31 October, 2014 In the last 15 months there has been a flourish of countries establishing Young Member Groups in tunnelling organisations, and that includes both Canada and the US. In May the ITA General Assembly in Brazil approved the creation of an ITA Young Members Group. Its mission is to “bridge the generation gap and provide a technical network platform for young professionals in the tunnelling and underground space industry."
  • Oh Canada
    With the autumn conference season upon us the tunnelling community is next month heading to Vancouver to take part in the Tunnelling Association of Canada’s biennial conference.
  • It's later than you think
    AS the tunnelling community plans to descend upon London for the British Tunnelling Society conference next month, Mayor Boris Johnson has set out a GBP 1.3 trillion (USD 2.2 trillion) development plan that lays down a treasure trove of underground opportunities for the city. The plan outlines the infrastructure developments needed to keep pace with London's growth.
  • Better together
    A sullen Lionel Messi stood with stooped shoulders next to the award winning German goalkeeper Manuel Neuer in the immediate aftermath of the Fifa World Cup Final.
  • Next Generation
    Recently, various reports have been released that confirm the ever-widening gap between the Millennial generation and the preceding Baby Boomers.


NASTT’s 2015 No-Dig Show
15 Mar 2015 - 19 Mar 2015 NASTT’s No-Dig Show is the largest trenchless technology conference in North America, where professionals attend to learn new techniques that will save money and improve infrastructure. The overall No-Dig program is focused on one objective: helping you maximize your investment in trenchless technologies, services and applications.