Latest from Tunnels and Tunnelling


Lead design contract awarded for North Bristol Relief Sewer
14 December, 2018 Great Britain – Aecom has secured a contract with J Murphy & Sons as lead designer for the North Bristol Relief Sewer, a new 6.5km tunnel for Wessex Water that will reduce flood risk and increase stormwater storage capacity to accommodate ongoing and future developments in Bristol and South Gloucestershire.
  • Crossrail delays could cost two billion pounds
    Great Britain – The British government has announced that reviews into Crossrail’s finances have shown that costs related to the delayed opening of the central section could be as high as GBP 2bn (USD 2.5bn). The figure includes GBP 300M already contributed by the Department for Transport in July and GBP 1.3-1.7bn in expected additional costs. The overall cost of the project at the time of writing is GBP 17.6bn (USD 22bn).
  • Chelsea-Battersea tunnel nears completion
    Great Britain – Work on a new tunnel under the River Thames project in Battersea Park is nearing completion. Costing GBP 18M (22.9M USD), the 330m-long tunnel will transport gas under the Thames between Chelsea and Battersea in West London. Owned by gas distribution company Cadent, the tunnel forms part of a GBP 1bn programme to replace ageing infrastructure in the UK’s capital.
  • BASF appoints VP to admixtures role for US and Canada
    US --BASF announced December 4 Bruce Christensen, vice president, will take over the responsibility of the Admixture Systems business in the US and Canada, effective immediately. In his new position, he will operate from the regional business unit headquarters in Beachwood, Ohio. Christensen succeeds Juan Alfonso Garcia, who was named head of Construction Chemicals Latin America in October.


Getting a picture
22 November, 2018 Fugro’s Rod Eddies, Simon Brightwell and Ray Wood discuss how tunnelling risks related to the ground and built structure can be managed into better stakeholder outcomes - such as accelerated construction, extended asset life and optimised return on investment - through integrated and appropriately phased use of modern geoscientific technologies
  • The difference is in the detail
    The tender process of the Rijnlandroute tunnel project in the West of the Netherlands adopted the Most Economically Advantageous Tender (MEAT) principle. This meant that the pricing offer of all bidders was reduced to a certain degree, based upon each bidder’s score for predefined criteria. Criteria such as reduction of hindrance, reduction of risks and request for a damage-free lining led to an incentive for innovation
  • A New Life for Abotunnel
    Paola De Pascali spoke with Marcelo Alfaro, chair of the Bolivian Tunnelling Society to understand their challenges and to explore their future plans as the society prepares to relaunch
  • One big bore
    Rail projects across North America are considering single tunnel drives, Nicole Robinson reports
  • Tarcisio Celestino
    Paola De Pascali spoke with ITA president Tarcisio Celestino about his experience at the organisation and in which he shares some goals of the strategic plan


Telling tales
22 November, 2018 Every few months I have a meeting with the magazine’s Editorial Advisory Board, in which I ask their advice, plan future issues and weather some constructive criticism (this editorial will be reviewed at about 11.30am on 18 January 2019 – not that I am feeling self-conscious).
  • Half a Degree
    As T&T went to press the Intergovernmental Panel on Climate Change (IPCC), the UN body for assessing the science related to climate change, announced that limiting global warming to 1.5°C compared to 2°C would provide clear benefits to people and natural ecosystems, and goes hand in hand with ensuring a more sustainable and equitable society.
  • Science of the small
    It has been a while since I wrote about tunnelling efforts to further humanity’s understanding of particle physics.
  • Welsh fairy tale
    Fairy tales: we all remember our favourites. Steve Mackey, chair of the Rhondda Tunnel Society may well be living his own.
  • Tap in to the public mood
    Growing up in southern Italy, I spent most of my days during the hot summers in an olive tree in my garden. This hundred-year-old tree kept all of my secrets and protected the little girl who wanted to explore new cities all over the world. I still love my home, Nardò, situated in Puglia (the heel of Italy’s boot) but as an adult I left my olive tree to work in London.


    17 Mar 2019 - 21 Mar 2019
  • Railtex
    14 May 2019 - 16 May 2019