Search Results: 'Perini'

The Seattle Saga
27 June, 2014
After six months of tunnelling standstill, construction is tarting on an access shaft to repair the TBM mining the SR 99 bore in Seattle, the largest diameter machine in the world. Nicole Robinson explores the machine’s initial journey and downtime.

Crossing the tracks
27 June, 2014
San Francisco’s Central Subway moves below rail lines, utilities and more, Desiree Willis of Robbins reports.

Court rules in favor of Perini-led JV in Boston Big Dig dispute
10 June, 2014
Tutor Perini announced on June 6 that its Perini-Kiewit-Cashman (PKC) Joint Venture recently prevailed in a court decision in its long-standing dispute with the Massachusetts Department of Transportation (MassDOT) regarding the Central Artery/Tunnel Project in Boston. Tutor Perini is the managing partner in the joint venture with a 56 per cent interest.

Caldecott Fourth Bore tunnel wins award
29 May, 2014
Tutor Perini Corporation announced on May 26 that its subsidiary, Tutor-Saliba Corp., recently received the Project of the Year Award from the California Transportation Foundation for the Caldecott Tunnel Fourth Bore Project.

On the high road
19 March, 2014
Roadheaders, the underdog of the tunnelling industry, have secured their place as an economical and variable excavation tool, ideal for short drives and changing ground. Technical journalist Rhian Owen examines the principles.

In the nick of time
19 March, 2014
As the Hudson Yards development moved toward construction, a small window of opportunity for new rail infrastructure connecting New Jersey to Manhattan began to close. Nicole Robinson looks at the tunnel box project securing the right of way for potential tunnels under the Hudson River.

Seattle's SR 99 tunnel blockage under inspection
08 January, 2014
State Route 99 tunnel crews are busy trying to identify an obstruction that halted the TBM in early December 2013, Washington State Department of Transport (WSDOT) announced earlier this month. The TBM being used for the USD 2bn tunnelling scheme in Seattle has been at a standstill after experiencing unexpected resistance.

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.

Hudson River tunnel contract awarded
24 July, 2013
Tutor Perini has won a tunnelling contract worth USD 133M that will ensure future plans to construct a rail tunnel beneath the Hudson River can go ahead, the company announced recently.

Tutor Perini to build NYC box tunnel
11 July, 2013
Amtrak awarded a USD 133M contract to Tutor Perini to construct an underground concrete casing beneath the Eastern Rail Yard of the Hudson Yards site in New York City.

Top candidate named for Californian bullet train project
17 April, 2013
The California High-Speed Rail Authority has named the top candidate for the first part of the 500 miles (805km) high-speed rail line between Los Angeles and San Francisco. The top candidate to build the 29 miles (47km) of California's bullet train in the Central Valley bid just under USD 1bn, below the state estimate of the cost, project officials announced.

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

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

Stay in the tunnel
18 October, 2011