Features Archive
Archive of features from the global tunnels industryFeatures By Date
September 2018
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Metropolitana Di Napoli
Paola De Pascali talked to Giuseppe Molisso, Ansaldo’s project director, about challenges met during construction of Naples Metro Line 6, situated in a dense historical and artistic environment
Tunnellers wanted
Alex Conacher interviews Ivor Thomas, tunnel manager for Bam Nuttall, who has spent the past couple of months transitioning from vice chair to chair of the BTS. He will lead the society until 2020
Steering the ship
Alex Conacher speaks with Mark Leggett of Mott MacDonald as he takes the immediate past chair position at the British Tunnelling Society and looks back on his two years at the helm
Helical lining
Behzad Khorshidi, of McNally Construction presents a lining system comprising a single helical ring installed during TBM advance
Risk management in major projects
Four speakers from across the tunnelling industry gave their perspectives on the management of risk in tunnelling and major infrastructure projects at the October 19 British Tunnelling Society meeting. Bill Grose introduced the topic and set the scene with lessons from history, Kevin Province spoke about catastrophic events and some observations on best practice, Nigel Legge discussed causes of tunnelling failures and methods of risk management, and Patrick Barney gave the perspective of the insurance industry. This report was prepared by Martyn Noak of CH2M
Results driven
A survey earlier in the year found a majority in support of updating the International Tunnelling Insurance Group’s code, T&T reports
Keep moving
Nicole Robison and Paola De Pascali look at innovative ways to bring equipment and materials from the factory floor to the bottom of the tunnel shaft
One big bore
Rail projects across North America are considering single tunnel drives, Nicole Robinson reports
August 2018
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Changing safety culture
Leah Jacobs looks at her own contribution to the Waterview Connection project in New Zealand
Leah Jacobs
From a childhood passion for Lego to a management attitude for tunnel projects. Paola De Pascali spoke with Leah Jacobs, handover manager at London Bridge Associates and winner of the Harding Prize 2018
Under the Olive trees
Paola De Pascali visits the Trans Adriatic Pipeline’s landfall site in Italy, where the locally controversial pipeline will pass through a microtunnel at a depth of 20m to transit from an off-shore to on-shore supply line
Four seasons
To relocate utilities on Calgary’s Glenmore Dam, Ward & Burke needed to work in an environmentally sensitive and highly visible public space, Nicole Robinson reports
Kia Ora, new Zealand
Alex Conacher speaks with Bill Newns, chair of the New Zealand Tunnelling Society (NZTS), as the antipodean nation breaks away from the Australasian Tunnelling Society
Reassessing exposure to silica
Donald Lamont looks at the classification of silica as a carcinogen and the implications for tunnelling
July 2018
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A war against etna
Paola De Pascali visited worksites of the Nesima-Misterbianco and Stesicoro metro, which form part of the Circumetnea railway in Catania, Sicily
Lidar down the line
Over the last decade, the geotechnical applications of LiDAR (Light Detection and Ranging) in tunnelling environments have become well publicised and has been reflected in its high demand from contractors, engineers and geologists worldwide. Here, Daniel Scully, pre sales monitoring engineer from geospatial technology supplier 3D Laser Mapping, discusses how this may impact on the sector
Northside Excavation
Paola De Pascali speaks with City of Chicago engineers about the challenges of working in a dense residential area to build the Albany Park Stormwater diversion tunnel
Carnwath road
Paola De Pascali met Ben Green, delivery manager for the West section of the Thames Tideway Tunnel and Ivor Thomas, tunnel manager for the joint venture of Bam Nuttall, Morgan Sindall and Balfour Beatty, which is coming to terms with the challenges of working in confined spaces at the Carnwath Road site for the Tideway project
Quito Metro
Acciona, currently engaged in the construction of the Quito Metro, spoke with Alex Conacher regarding the project
Advanced Tunnel modelling
Ioannis Vazaios of Queens University and Nicholas Vlachopoulos of the Royal Military College of Canada discuss the modelling of diverse tunnelling conditions and integration of the appropriate numerical modelling technique into the design process
