Pyramid Peak at Skagit Hydroelectric Project, Photo by Jim Hunter
Seattle City Light JIM BAGGS, Interim General Manager and CEO
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Project Details

Streetcar--South Main Street Reliability Upgrade

Posting Date: 4/17/2017                

Contact: Percy Schlimm - Sr. Electrical Service Representative

Phone: (206) 386-1735


The trenching work is completed. City Light electrical crews are hoping to get in to pull underground wire by early November ahead of the Holiday Moratorium. This work will have a much lower impact, power outages are not anticipated.


Seattle City Light is taking steps to maintain the electrical reliability in the Pioneer Square area. Crews must excavate to replace underground electrical conduits (duct banks) and then pull in new electrical cable at vaults along South Main Street. The work will start approximately one-half block east of First Avenue South and end at South Main Street’s intersection with First Avenue South. The plan is to complete the work in three stages. All dates are approximate. View the maps for:

  • Stage 1 - map (complete by end of August 2017, weekdays)
  • Stage 2 - map (complete by end of August 2017, weekends)
  • Stage 3 - map (excavation and conduit installation complete by September, 16, 2017 weekends)


  • Improve the electrical infrastructure and reliability in the area.
  • Proactively maintain the area’s electrical needs for future growth.


  • No power outages are expected.
  • Heavy equipment and trucks will be located at the worksite.
  • Traffic, parking, and pedestrian impacts will occur near the worksite. See the maps on the back side.
  • Excavated areas will be covered with steel plates during non-work hours.
  • Weekend work will take place at the First Avenue South intersection. Lanes will be reduced and detours in effect.
  • Crews will pull the electrical cable into the duct banks at a later date. That work involves crews working at vaults only, so it has a much smaller impact.


Construction Start: Early May

Duration: Approx. four months

Daily Work Schedule: Mon - Fri, 9 a.m. - 3 p.m.; Sat, 9 a.m. - 6 p.m.

Alternate Contact: -

Alternative Contact Phone:

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    P.O. Box 34023
    Seattle, WA 98124-4023

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