Search Results: 'National Grid'

Water mist systems and Road tunnel ventilation
12 August, 2021
Ingo Riess of Riess Ingenieur, Zurich, Switzerland, discusses the benefits and effects of water-mist systems on tunnel fires in road tunnels

National grids
25 March, 2021
Utility grid projects bring a variety of tunnelling challenges. Report by Patrick Reynolds

Pushing for victory
29 January, 2021
A National Grid project to push a 5km pipeline under an estuary of global importance to wildlife has resulted in the world’s longest pipeline river crossing in a tunnel, safeguarding the UK’s gas supply for a century and earning a place in Guinness World Records. Julian Champkin reports