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Keeping safe 14 November, 2019
In this issue we have a fire protection angle. You will find several articles covering an incident in Gdansk, variable frequency drives, the impact of fire events on tunnel linings and a piece on the latest health and safety thinking in this area.
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Blogs

Experience what’s out there
Monday, October 21, 2019 A tunnel is roughly defined, when a definition can be narrowed down at all. A drive time radio host sharing the traffic report will refer to a surface-level enclosed road as a tunnel, or a pedestrian walkway in a culvert, or even an eight lane overpass. When I started working with Tunnels & Tunnelling the general guidelines for covering a project were, at least a kilometer long, and at least eight feet in diameter. The specific numbers aren’t as important, though, as what they signify—the need to excavate without disrupting the surface.
A 40-year strategy
Friday, September 27, 2019 There are many in this industry who will say “nothing changes” in tunnelling. Obvious technological advancements, mergers and retirements aside, many times they are right.
HS2 under review
Monday, September 16, 2019 It is understood that HS2 is at the starting blocks and ready to go. The visible evidence of this can be seen across the county, with major demolition and enabling works around Euston and along the route. The long term effects on spreading wealth northwards can also be seen with development being undertaken in Birmingham and Manchester.
Planning for the twenties
Wednesday, August 14, 2019 In this issue of Tunnels and Tunnelling International Paola De Pascali reports from the World Tunnel Congress, which was held in Naples in May and saw a number of publications from working groups and committees. The ITA Committee for Technology (ITAtech was particularly prolific.
Wisdom of the Faroes
Monday, July 08, 2019 As I write, the Tunnels and Tunnelling team is preparing to leave for the Rapid Excavation and Tunnelling Conference in the USA, the world’s richest, and one of its largest countries. It always seems to have a megaproject underway or in the pipeline.
Preserving old and new
Monday, June 03, 2019 Joining WTC 2019 in Naples was a full immersion into the Italian art of tunnelling. The plan was to show how engineering and innovation meet archaeology, architecture and art. The beauty of Naples is not only above ground, but it is a cradle of underground works, which unveils a network of Greek and Roman tunnels and underground structures dating to the fourth century BC.
Underground Movement
Friday, May 03, 2019 Tunnels and Tunnelling turns 50 this month. Here follows the magazine’s first ever editorial, reprinted in tribute to the founding editor:
Records not worth breaking
Monday, April 29, 2019 In June the tunnelling industry will gather in Chicago for its annual conference, a city that has invested heavily in stormwater management.
Congress, clients and codes
Wednesday, April 10, 2019 If you are one of the 1,000 or so delegates at the World Tunnel Congress; benvenuto a Napoli. This year it is Europe’s turn to host WTC, with Naples being selected at the 2016 congress in San Francisco as the industry’s chosen gathering point.
Update from Forrestfield
Tuesday, March 05, 2019 There is some late-breaking news as Tunnels and Tunnelling International goes to press. On 19 February the Forrestfield-Airport Link’s client announced that its two stopped TBMs should resume tunnelling in mid- and late-March respectively, good news for a project that was previously held up by a sinkhole last September.

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