Search Results: 'Healy'

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Lake Mead draws deep
13 June, 2012
With ever lowering water levels, tunnels are needed to reach deeper into the largest reservoir in the US to slake the thirst of Las Vegas. Technical journalist Rhian Owen meets the team that will stand the House a drink

West Coast calls for funds
21 May, 2012
West Coast tunneling is buzzing with activity, though lack of funding is keeping projects in concept design. Rhian Owen speaks with Randy Essex of Hatch Mott MacDonald

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

Stay in the tunnel
18 October, 2011

Notice to Proceed issued for Central Subway
19 September, 2011

Oregon CSO tunnel nominated for OCEA
02 September, 2011

Long tunnels for the Longhorn state
15 August, 2011
In the southwest, Texas is making work in a region not known for big tunnelling projects, Nicole Robinson reports

San Fran subway bid
14 July, 2011

Stubborn to a fault
10 June, 2011
Construction of Intake No. Three at Lake Mead, Nevada, requires tunnelling beneath the lake and blasting at Saddle Island. With a deadline driven by the region’s drought conditions and drinking water at stake, progress on the project’s longest tunnel has been marred by a fault near the starter tunnels as Nicole Robinson reports from site

In the mix on site
11 February, 2011
There are many considerations when deciding how to supply the concrete necessary for lining and support in most tunnelling projects. Not least of these are how to source large volumes of material on site, and to deliver it to the location of use. With usually restricted surface space, and often long transport distances, this is no easy task. Maurice Jones checks on some developments to make it easier

Alaskan Way bored tunnel bid opening
10 December, 2010

Ground conditions delay Lake Mead
09 December, 2010

Vegas tunnel delayed
06 September, 2010

Home run for river clean up
03 August, 2010
Portland, Oregon has had more than its fair share of tunnelling work in recent years, all geared to improving the quality of its waterways particularly the Willamette River. A key and largest stage in this programme has been the East Side Combined Sewer Overflow Tunnel Project, which is now approaching its conclusion after passing several milestones in the development of North American tunnelling. Maurice Jones reports.

Washington sends out RFPs
27 May, 2010

Lake Mead TBM unveiled
24 May, 2010

Bidder drops out of Highway 99
31 March, 2010

Prequal list for Seattle deep bore
12 January, 2010

Topping up the work at Lake Mead
23 September, 2008

2008 Beavers Award Winners
29 April, 2008
Just over 2,100 Beaver members and guests attended the 53rd Annual Golden Beavers Awards Dinner in Los Angeles, on January 18.