Search Results: 'BAA'

Monitoring changes in instrumentation
01 December, 2002
Chris Rasmussen, technical director of ITM-Soil, looks at recent trends in instrumentation and monitoring and describes how these were utilised when the 9.3m diameter Heathrow Airside Tunnel TBM crossed 3.5m above the 'live' 5.8m diameter Heathrow Express Tunnel earlier this year

Heathrow's ART takes off
01 July, 2002
In the sensitive confines of an airside tunnel construction site, planning ahead to minimise settlement near a busy runway is vital. Tris Thomas reports from the ART project at the UK's Heathrow airport where extensive measures have been undertaken to aid the smooth construction of the project's 1.3km long, 8.1m i.d. twin tunnels

BTS debate - Certifiably argumentative
05 May, 2002
On the 21st March 2002, The British Tunnelling Society held it's annual debate. The motion proposed to the house, "Self-Certification is Dangerous for Tunnelling", produced a strongly argued discussion, which generated a very close result

Automated quality for Heathrow's tunnels
01 May, 2002
A new purpose built factory has been constructed at Ridham Dock, on the UK's North Kent coast, to manufacture tunnel lining segments for BAA's Airside Road and Terminal 5 projects at Heathrow Airport. Michael Town, precast manager for Morgan Est, describes the automated set-up and quality systems