Search Results: 'Perini'

What goes up
19 December, 2013
Ensuring the correct lifting strategy is vital to the success of any tunnelling project, reports technical journalist Bernadette Ballantyne.

South by Southwest
12 December, 2013
The southern states grapple with water supply as drought conditions worsen and stormwater from flash floods cause damage for homes and businesses

Bay area breakthrough
12 December, 2013
Excavation of the entire 18,660ft New Irvington Tunnel is complete in San Francisco. On October 8 two crews of miners from the Southland/Tutor Perini JV met underground with a roadheader digging away at the last final feet of rock.

Down the road
10 October, 2013
Roadheaders, the underdog of the tunnelling industry, have secured their place as a economical and variable excavation tool, ideal for short drives and changing ground. Technical journalist Rhian Owen examines the principles.

Seattle Surge
19 February, 2013
The west coast of the US is home to a strong tunnelling market. Tunnels North America looks at Seattle in particular this issue, but let there be no doubt, other cities in the region are just as busy underground, Nicole Robinson reports