Seattle City Light LARRY WEIS, Interim General Manager and CEO
City Light crew

Project Details Information

Release Date: 8/22/2014
Contact: Mary Junttila - Project Coordinator
phone: (206) 684-3825
Alternate Contact: -
phone:
   
Work planned on: H-Frame Replacement

PROJECT UPDATE (12/1/2015)

Contracted crews will be transporting planting materials into City Light's electrical transmission line right-of-way near South 109th Street and 47th Avenue. The work is necessary to restore the right-of-way and its associated wetlands. Trucks and other equipment will be accessing the area via South Ryan Way and the gated access at South 109th Street and 47th Avenue South. See the map below for the truck haul route.

E Marginal Way S at S 112th Street in Tukwila will have traffic impacts (sidewalk and vehicle/bike lane closures) for up to 1 week in November or December during sidewalk restoration.

PROJECT OVERVIEW

Seattle City Light has replaced aging wooden H-Frame structures with new steel monopoles that now support transmission, distribution and communication lines. Contracted crews constructed new foundations and towers in City Light right-of-way and restored the right-of-way under the power lines and the associated wetlands. They will plant the areas this winter. Mitigation establishment, including plant monitoring and maintenance will continue for several years to ensure that improvements are successful.

PROJECT BENEFITS

The project will improve system safety and critical City Light communications, and increase electrical reliability and capacity for customers.

PROJECT LOCATION

The project corridor extends from City Light's Creston-Nelson substation, located at 5300 South Bangor Street, proceeds west across Beacon Avenue South, Interstate Highway 5, the Union Pacific and Burlington Northern Santa Fe Railroads, and proceeds west to East Marginal Way South. All of this work will be within City Light's Transmission Right-of-Way and/or within City of Seattle or City of Tukwila street Right-of-Way.

Schedule: Completion expected Spring 2016
Begin: Started Summer 2013
Duration: Approximately 2.5 years
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