In Your Community » King » Construction Projects »substation icon

Puget Sound Energy natural gas public improvement project

Alaskan Way Viaduct Replacement Program and Seattle area projects

Spring 2014 project updates
During the week of July 15, 2013, PSE's contractors began laying pipe on Madison Street in Seattle. PSE's natural gas pipeline relocation work is in preparation for WSDOT's Alaskan Way Viaduct replacement program.During the week of July 15, 2013, PSE's contractors began laying pipe on Madison Street in Seattle. PSE's natural gas pipeline relocation work is in preparation for WSDOT's Alaskan Way Viaduct replacement program.During the week of July 15, 2013, PSE's contractors began laying pipe on Madison Street in Seattle. PSE's natural gas pipeline relocation work is in preparation for WSDOT's Alaskan Way Viaduct replacement program.
  • 12-inch natural gas main relocation project
    • Sidewalk restoration along the project route began the week of March 17, 2014. Brick restoration in Occidental Park is expected to take place this spring, we will notify nearby businesses as the restoration schedule is developed.
    • PSE’s natural gas contractor, Michels Corporation, completed installation of the new pipeline (see project route) in late September 2013. Work to relocate the pipeline began in early July 2013.
  • Other Projects
    • PSE’s natural gas contractor, InfraSource, will be conducting remediation activities for distribution pipelines in downtown Seattle through 2014.
    • In coordination with the Seattle First Hill Streetcar Project, PSE relocated a segment of existing 2-inch natural gas line along S Jackson Street between Second and Third avenues (see map). This work was completed in April 2013.

    Project overview

    In conjunction with Washington State Department of Transportation’s (WSDOT) Alaskan Way Viaduct Replacement Program and several other Seattle-area transportation projects, Puget Sound Energy plans to relocate, reconfigure and otherwise protect segments of the existing natural gas pipeline in areas of downtown Seattle to ensure continued public safety and customer reliability. On July 30, 2013, boring of the new SR 99 tunnel began.

    The Alaskan Way Viaduct Replacement Program, Elliott Bay Seawall Project and Waterfront Seattle Project are collectively the largest set of associated projects to take place in the Puget Sound region in several decades. Additionally, there are six other Seattle-area transportation projects planned to take place over the next five years; many of these projects require relocation of utilities, including PSE’s natural gas system. These projects are driven by the City of Seattle, Sound Transit, Washington State Department of Transportation, the Port of Seattle and the U.S. Army Corps of Engineers.

    For information on the Alaskan Way Viaduct Replacement Program please visit these Web sites:
    Washington State Department of Transportation
    Seattle Department of Transportation

    PSE is working closely and proactively with all the jurisdictions and agencies to ensure the continued safety and reliability of our existing natural gas system in the area.

    Contact us:
    For more information on these projects, please email us at viaductgas@pse.com or call Project Manager Julie Kelly at 425-462-3919.

    Download full-size map
    Project map
    gas
    Test your natural gas knowledge by taking this short survey

    How does natural gas get to my home or business?

    Natural gas is a fossil fuel composed almost entirely of methane. Interstate pipelines transport natural gas to regional utility natural gas systems, where it is metered and delivered through a network of local mains, service lines and, ultimately, to customer homes and businesses. More than one-third of all Washington state households and businesses use natural gas.


    For important natural gas safety information, including how to detect a natural gas leak, please visit our natural gas safety Web page

    Download information

    12-inch high pressure natural gas pipeline relocation project - weekly construction updates