Search Results: 'Perini'

Quake proof
21 November, 2012
Following the 2001 quake, it was feared that another major incident could cause Seatle's fragile highway viaduct to ‘pancake’. Rhian Owen reports on the replacement of the viaduct with more stable infrastructure: a tunnel

To prevent a pancake
22 May, 2012
Following the 2001 quake, it was feared that another major incident could cause the fragile Alaskan Way Viaduct to ‘pancake’ from the shaking. Rhian Owen reports on the replacement of the viaduct with more earthquake-resistant infrastructure – a tunnel

Out with the old and in with the NIT
06 February, 2012
Keeping the water flowing is the soul objective of the New Irvington Tunnel as the old struggles against the constant threat of a major earthquake. Nicole Robinson was on site in San Francisco to see the roadheader excavating the 3.5 mile (5.6km) of tough and changing geology drive

From sea to shining sea
06 February, 2012
Demand for tunnels in North America is strong to meet public transportation and water conveyance needs. Nicole Robinson highlights projects in the region