Search Results: 'National Grid'

10km cable tunnels in UK call for competition
23 August, 2004

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