Search Results: 'Mott MacDonald'

The GBR in underground construction
01 November, 2004
This years joint September meeting of the British Tunnelling Society and the British Geotechnical Association was presented by Randall J Essex, executive vice president and director of tunnelling at Hatch Mott MacDonald, US. The presentation introduced the US experience in the use of a Geotechnical Baseline Report (GBR) as a prime contract document for underground works

Safety across the Mersey
01 September, 2004
The June 2004 meeting of the British Tunnelling Society was an account of the safety upgrade of the Mersey Tunnels in Merseyside, in the UK's north west, and was presented by Peter Arch of Mersey Tunnels, Mark Leggett of Mott MacDonald and Frank Rogers of AMCO Donelon

Hammering along at Heathrow
01 July, 2004
Underground construction for London Heathrow Airport's new Terminal 5 scheme is progressing rapidly, with a number of tunnelling projects now complete. Assistant editor, Patrick Hudd, visited the site this May and reports on the current Piccadilly Line and Heathrow Express extensions

High pressure drive crosses the Thames
01 July, 2004
Constructing the 2.4km long, 3m i.d. Dartford Cable Tunnel under the River Thames has proved a testing experience for UK contractor Amec. T&TI editor, Tris Thomas, recently visited the site and discovered how the team dealt with chalk under 3.5 bar water pressure without compressed air, an innovative shaft lining and a severely damaged cutterhead - all with little effect on the schedule

Geotechnical Baseline Reports revisited
01 July, 2004
The recent Geotechnical Baseline Report workshop, held at the NAT '04 conference, in Atlanta, provided a forum for the analysis and debate of GBRs within the underground construction industry. Randall J Essex, director of tunneling for Hatch Mott MacDonald and Bart Bartholomew of S H Bartholomew Inc. re-live the discussion and present some of the conclusions reached

RingPack feedback
01 April, 2004