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Tom Lantos Tunnels at Devils Slide Earns Two More Prestigious National Awards - Valley News Live - KVLY/KXJB - Fargo/Grand Forks

Tom Lantos Tunnels at Devils Slide Earns Two More Prestigious National Awards

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HNTB-designed twin tunnels add Underground Construction Association Project of the Year and American Public Works Associations Public Works Projects of the Year to list of honors.

OAKLAND, Calif. (PRWEB) July 09, 2014

The Tom Lantos Tunnels at Devils Slide, designed by HNTB Corporation, already have been honored with 15 industry awards, and more are anticipated.

Two of the most recent honors are Underground Construction Association Project of the Year and American Public Works Associations Public Works Projects of the Year. The UCA award was presented in late June at the 2014 North American Tunneling Conference in Los Angeles. The APWA award will be presented in August at the 2014 International Public Works Congress and Exposition in Toronto.

The $430 million Tom Lantos Tunnels project located in San Mateo County, California represents the first road tunnels constructed by Caltrans in more than 50 years. And, as they officially opened to traffic on March 26, 2013, are now the longest road tunnels in California. The project replaced an infamous coastal stretch of Californias State Route 1, which was subject to lengthy closures from slipouts and rockslides, high maintenance costs and risk of permanent failure.

HNTB worked closely with Caltrans to fully explore alternative designs and construction methods for the twin tunnels. Constructed beneath San Pedro Mountain using the New Austrian Tunneling Method, each one is 29 feet, 6 inches wide by 22 feet, 4 inches high and 4,265 feet long. They are connected by 10 emergency cross passages. The project lies along the active San Andreas Fault, with four inactive faults crossing the tunnels. Ten different rock masses were encountered along the tunnel alignment. Despite challenging technical and environmental constraints, HNTB successfully completed the project to the clients satisfaction.

To be recognized with these international, national, regional and local awards is a tremendous honor for Caltrans, HNTB and all the firms that provided engineering services on Devils Slide, said Yung-Nien Wang, PE, HNTB project manager and structural lead in Southern California. Our first priority was to design tunnels that truly meet the needs of the communities they serve. The prestigious awards the project has earned are an added bonus.

Other awards accrued by the Tom Lantos Tunnels include:

  • Outstanding Environmental & Engineering Geology Project Award Association of Environmental and Engineering Geologists
  • Structural Category Winner American Concrete Institute
  • Tunneling Advisor/Program Manager of the Year Award International Tunneling and Underground Space Association and the Tunneling Association of Canada
  • Engineering Project Achievement Award Orange County Engineering Council
  • Award of Excellence American Council of Engineering Companies, Orange County
  • Project of the Year Award in Transportation American Public Works Association, Silicon Valley
  • 2013 Roadways & Highways Project of the Year American Society of Civil Engineers, San Francisco
  • Engineering Excellence Award American Council of Engineering Companies, California
  • Outstanding Roadway & Highway Project Award American Society of Civil Engineers, Region 9
  • Outstanding Civil Engineering Achievement Award, National Finalist American Society of Civil Engineers
  • Real Estate Deals of the Year Award (Infrastructure/Public Private) San Francisco Business Times
  • Engineering Excellence Awards Honor Award American Council of Engineering Companies
  • Conventional State Highway Project of the Year Award California Transportation Foundation

HNTB Corporation is an employee-owned infrastructure solutions firm serving public and private owners and contractors. HNTBs work in California dates back to its founding in 1914. Today HNTB continues to grow in size and service offerings to clients in California from seven office locations, currently employing more than 350 full-time professionals. Now celebrating a century of service, HNTB understands the life cycle of infrastructure and addresses clients most complex technical, financial and operational challenges. Professionals nationwide deliver a full range of infrastructure-related services, including award-winning planning, design, program delivery and construction management. For more information, visit http://www.hntb.com.

For the original version on PRWeb visit: http://www.prweb.com/releases/2014/07/prweb12006335.htm

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