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Infrastructure and Paving Upgrade Planned for Pioneer Passage in Pioneer Square

Seattle City Light plans to increase reliability by replacing aging underground conduit (duct bank) and electrical cable along the Pioneer Passage alley. The alley is located east of 1st Avenue South between South Washington Street and Yesler Way. The project is being coordinated with the Alliance for Pioneer Square and the Seattle Department of Transportation (SDOT). At a later date, SDOT will repave the alley with a Pioneer Square Preservation Board-approved brick pattern.

See the map showing the locations and work stages.

Overview of the construction stages.

Overview of the construction stages.

The new electrical infrastructure and equipment will increase the reliability and capacity of the Pioneer Square/downtown electrical system.

What you can expect:

  • No power outages are expected.
  • The work will proceed from south to north in stages with parking not permitted as necessary in order to stage trucks. See map.
  • Customers should expect noise caused by construction equipment during work hours.
  • Access to the alley will be limited during construction, but open after construction hours. One end of the alley at a time will be partially blocked or closed depending on which stage the crews are working in. Uniformed police officers will be on-site to help with traffic and pedestrians.
  • Trash/recycling disposal locations may need to shift to designated areas in the alley and alley deliveries should be redirected to the surrounding streets.

Construction is due to begin the first week of September and continue through November 2016. Work will take place Monday through Friday, 9:00 a.m. to 3:00 p.m., and weekends from 9:00 a.m. to 6:00 p.m.

If customers have questions they can contact: Bill Danbom, Sr. Electrical Service Representativebill.danbom@seattle.gov or (206) 386-4200.

Information can also be found on the project’s website: http://www.seattle.gov/light/atwork/release.asp?RN=372