DIAMOND BAR, CA — Southern California Edison is planning electrical grid upgrades in southern Diamond Bar as part of its wildfire mitigation efforts, with construction expected to begin between Nov. 13 and Nov. 17, the city announced Thursday.
The project will involve replacing existing bare electrical conductors with covered conductors designed to reduce the risk of electrical equipment igniting wildfires, the city said.
Preliminary work is already underway at two locations. Pre-dig work is scheduled to start Monday at 3631 Castle Rock Road, with no work planned for Veterans Day on Tuesday.
Additional pre-dig work, including pole anchor and ground rod installation, is scheduled for Thursday and Friday at 3890 S. Brea Canyon Road.
The main construction work is expected to be completed in December.
The upgrades will affect several streets in the southern portion of the city, including:
Residents in the affected areas may experience temporary road closures, traffic delays and construction noise. Maintenance-related power outages also are possible during the work, according to the city.
Southern California Edison will notify affected customers and provide updates as construction progresses.
Residents with questions or concerns about the project can contact SCE at 800-655-4555.
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