Search Results: 'HNTB'

Crenshaw/LAX TBM goes underground
15 March, 2016
California - The Los Angeles County Metropolitan Transportation Authority announced on March 3 a significant milestone occurred on the USD 2.058bn Crenshaw/LAX light rail line. The TBM was lowered in pieces to the bottom of the future Expo/Crenshaw Station.

Seattle start up
18 February, 2016
Repairs are finished for giant TBM “Bertha". Patrick Reynolds reports on the two-year-long process

Metro names Crenshaw/LAX TBM
05 February, 2016
CALIFORNIA - The Los Angeles County Metropolitan Transportation Authority (Metro) held a TBM lowering ceremony on February 1 for the Crenshaw/LAX Line.

SR99 TBM rescued
01 May, 2015
USA - Seattle Tunnel Partners (STP) completed the lifting process to remove the 57ft (17.4m) diameter cutterhead and main drive unit of the TBM mining the SR99 replacement tunnel on March 31, the Washington State Department of Transportation (WSDOT) announced.

City of expansion
27 June, 2014
By the end of the year there should be three separate tunnelling contracts underway in Los Angeles to expand the region’s public transportation system. Nicole Robinson looks at each project.

HNTB names new secretary general of ACCUS
10 September, 2013
Chief tunnelling engineer for HNTB Corporation, Sanja Zlatanic, has been named secretary general of Associated research Centres for Urban Underground Space (ACUUS), a North American, non-governmental organisation dedicated to partnerships among experts who design, analyse and decide upon the use of cities¹ underground spaces. Zlatanic's term runs 2013 through 2017.

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

Turkey tunnel design contract awarded
25 July, 2012
A US-based firm has been selected as independent design verifier on the Istanbul Strait Crossing tunnel project in Turkey, which will connect the European and Asian sides of the city by a road tunnel. The project will be delivered by public-private partnership procurement, HNTB stated earlier this month.

Dragados and Tutor Perini sign Alaskan Way design-build contract
07 January, 2011

Alaskan Way bored tunnel bid opening
10 December, 2010

Washington sends out RFPs
27 May, 2010

Bidder drops out of Highway 99
31 March, 2010

Devil’s Slide diversion drive
23 March, 2010
A bypass tunnel on the scenic California coast is well advanced to avoid the Devil’s Slide landslide area on the famous scenic Highway One route, reports Adrian Greeman

Prequal list for Seattle deep bore
12 January, 2010

Airport tunnels
01 November, 2002

People & Places
14 January, 2002

Resilience and renovation in the US
01 December, 2001
Tunnelling contractors in the US may be facing ever increasing pressures, but projects are still thick on the ground. Dr Gary S Brierley, president Brierley Associates, LLC, Hugh P Caspe, PE, national director of tunnel practice, HNTB, and Randall J Essex, PE, director of tunnelling, Hatch Mott MacDonald, take a look at how the industry is faring in the US