Latest from Tunnels and Tunnelling


TBM shield lowered for Regional Connector
26 October, 2016 US - The Los Angeles County Metropolitan Transportation Authority (Metro) held a naming and lowering ceremony for the TBM that will dig twin 1.1-mile (1.7km) rail tunnels for the Regional Connector Transit Project on October 19.
  • New to deliver Harding Memorial Lecture
    Great Britain - Barry New is to deliver the Harding Memorial Lecture at 6pm on 19 January at the ICE in London. An associate for the Geotechnical Consulting Group, New has chosen to address tunnelling impact assessments for existing utility pipelines and tunnel assets.
  • Louisville scraps sewer basins for tunnels
    United States - The board members of Louisville, Kentucky's Metropolitan Sewer District (MSD) unanimously agreed to move forward with a plan to replace three proposed sewer basins with a tunnel.
  • SR 99 TBM reaches halfway point
    United States - The TBM mining the Alaskan Way Viaduct Replacement Tunnel passed beyond the halfway mark of a 9,270ft (2,825.5m) tunnel on September 30, the Washington State Department of Transportation announced October 3.
  • ADS breaks ground on Missouri plant
    United States - Advanced Drainage Systems (ADS), broke ground on new manufacturing facility in Harrisonville, Missouri, it announced on October 5. This will be the Company’s 62nd manufacturing plant, and its first in Missouri.


Monitoring temporary works in tunnels
22 September, 2016 The March presentation to the British Tunnelling Society describes the application of 'cloud based data' to real time review of temporary works performance against design within tunnels, illustrated by a number of example projects in the UK and Hong Kong. Presenters were Angus Maxwell, chief executive of Maxwell Geosystems and Marcos Invernici, standing in for Anmol Bedi, both of Bedi Consulting
  • Explosion prevention in coal mine TBM drifts
    Since the first record of a colliery explosion in Belgium, nearly 300 years ago, significant improvements have been achieved in the prevention of explosions in mines. However, gas explosion hazards are not unique to coal mines but also occur in TBM projects with 48 explosion fatalities recorded worldwide calling for continued diligence and improvements in explosion risk management. Success of TBMs in civil engineering infrastructure in poor ground conditions resulted in consideration of its application to a coal mine in Queensland
  • Dust Buster
    A new real-time dust monitor being trialled at the new Liverpool Street Crossrail station could help to reduce the respiratory risks of working in a tunnel. Keren Fallwell reports
  • First place
    China is planning more infrastructure projects, such as the Shen-Zhong Link that consists of two artifi cial islands, two bridges and the world’s widest immersed tunnel. Michael Tonnesen, chief tunnels specialist from Cowi, talks to technical journalist Rhian Owen about the design competition process for the project and why an immersed tunnel is the right choice
  • Norwegian nous
    The Norwegian tunnelling sector is seeing many positive trends. According to annual tunnelling statistics there is a steady increase in excavated volume over the last decade. Paola De Pascali reports


Getting both sides
19 September, 2016 In mid-August the construction union UCATT issued a statement saying that Laing O’Rourke’s new safety policy ‘safety differently’ could erode the foundations of health and safety culture. It further argued that the company’s new director of health and safety for construction, Andy Sneddon, wants to impose detrimental views from Professor Sidney Dekker “who advocates sweeping away a lot of the detail in health and safety provision, and just concentrating on saving lives”. This, it said, neglected the impact of more minor workplace injuries on workers’ lives.
  • Tunnel Buzz
    So the referendum came and went, and the UK looks set to leave the European Union. Emotions are high and column inches long when it comes to the topic so I won’t add my refl ections on the politics or economics of the situation here.
  • Information overload
    Ome 40 miles from Silicon Valley, Peter Hirshberg delivered a captivating presentation on infrastructure, innovation and the Maker City to the largest gathering of the tunnelling industry in history, as one of WTC’s keynote speakers.
  • The lamps are going out
    In light of the recent vote by the British people demanding a split from the European Union, it is hard not to think about the history of the continent. Times are peaceful now, although it does not always seem that way, and looking back even a century reveals an unrecognisable political mess. This month marks an important historical landmark as far as peace in Europe goes; it is exactly 100 years since the start of the Battle of the Somme.
  • Learning through doing
    TODAY CELEBRATIONS are underway in Switzerland as the world’s longest railway tunnel opens. It is 1 June, and stakeholders and political figures are attending a day-long programme of events at the tunnel, prior to a festival for the people involved in the project which is due to take place tomorrow.


2nd Underground Solutions Seminar
09 Nov 2016 - 09 Nov 2016