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Seattle City Light DEBRA SMITH, General Manager and CEO
Denny Substation Project
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THE FINISH LINE IS IN SIGHT!

The Denny Substation Program is transitioning into the final phase of construction. Over the next several weeks, a series of tasks will continue around the substation site including utility and material testing, vault work, asphalt grinding and overlay, decorative lighting installations and testing, safety testing for guardrails, caulking, painting, sign installations, plumbing, landscaping, and irrigation. As soon as mid-March, we’ll begin installations on two artwork pieces: Lead Pencil Studio’s work called “Transforest” which is a large-scale sculpture on the southwest side of the substation, and Ned Kahn’s “Switchwall” work which is integrated into the outer walls of the substation facility at the upper southeast and northeast corners.

Denny Way Daytime Lane Closures Continue


Periodic daytime closures of the right lane of westbound Denny Way between Stewart Street and Minor Avenue N. and the adjacent sidewalk will continue. The right lane will be closed at times between 9 a.m. and 3 p.m., Monday through Friday. The sidewalk will be closed around-the-clock. During these closures, crews will be installing landscaping, lighting, Silva Cells, and building the sidewalk.

Ongoing Work on Community Features at the Substation Site


Work on the off-leash area continues, community spaces are progressing, and Silva Cells have been installed around the site for future landscaping. Inside the substation, equipment testing and finishing work inside the substation's buildings continues. Work hours are 7 a.m. to 5 p.m., Monday through Friday and 9 a.m. to 5 p.m. on Saturday.


Denny Network

The Denny Network will be working on a series of small unscheduled weather dependent items. The following work will take place when the streets are expected to be dry:

  • Vault inspection and remediation
  • Asphalt paving
  • Roadway channelization (street striping and other markings)

Additionally, City Light crews will continue work in South Lake Union installation of new electrical cable and equipment in recently completed Denny Network infrastructure.

What to Expect During Network Construction

  • Closures of sidewalks and crosswalks should be expected in work areas
  • Business and pedestrian access will be maintained wherever possible
  • Lane restrictions and some traffic and pedestrian detours
  • Typical weekday work hours from 6 a.m. to 7 p.m.
  • Some weekend, night, and early morning work
  • Noise and vibrations during high-impact work

Updated: March 2019


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Project Hotline:
(206) 257-2142

Email Address:
SCL_DennySub@seattle.gov

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