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Chino Hills reviews draft safety element after evacuation analysis flags single‑access neighborhoods and longer evacuation times
Summary
At an Aug. 13 workshop the city’s consultants presented a revised safety element that adds a climate‑vulnerability appendix and an evacuation analysis showing some neighborhoods have only one way in and out and Carbon Canyon evacuations could take 13–31 minutes longer by 2040 without changes. Council asked staff to revise maps and submit the draft to Cal Fire and the State Board of Forestry.
Chino Hills City officials and consultants spent the bulk of an Aug. 13 special workshop reviewing a draft update to the city’s General Plan safety element, focusing on new climate vulnerability analysis and an evacuation study that identified single‑access neighborhoods and projected longer evacuation travel times as the region builds out.
Rima Shukra, a principal with Rincon Consultants, told the council the safety element is intended “to identify strategies to reduce impacts that could occur from natural and human made hazards,” and described new maps of seismic risk, liquefaction, flooding, oil fields and Cal Fire’s very high fire hazard severity zones. The draft includes two technical appendices: a climate‑change vulnerability assessment and an evacuation analysis prepared to comply with recent state statutes, Shukra said.
The evacuation analysis, presented by Mike Aronson of Kittelson and Associates, used a regional transportation model and “aim[ed] more towards a worst case set of situations,” he said, including an evacuation layered onto PM‑peak commuting. The study modeled…
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