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Alaskan Way Viaduct Replacement-Corridor SR99

Seattle

2013
CLIENT
Washington State Department of Transportation

CONTRACTOR

J.V. Dragados USA and Tutor Perini Corp

DESCRIPTION
The project consists of a two-mile-long tunnel underneath downtown Seattle that will replace the SR 99 Alaskan Way Viaduct . Replacing the viaduct with a tunnel allows the highway to remain open for much of construction, thus minimizing closures and impacts to traffic. The project is carried out by the world’s largest tunnel boring machine nicknamed Bertha, 17.4m diameter, manufactured by Hitachi Zosen Corp.
  • MAPEDRILL M1

    MAPEDRILL M1

    Synthetic polymer in liquid form for water based fluids to be employed in mechan
    MORE INFO
47.3637000000,-122.3400000000
 
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