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Technical Background Report to the Safety Element of the 2035 General Plan

Presentation to Coachella’s City Council October 8, 2014. Technical Background Report to the Safety Element of the 2035 General Plan. Mandatory component of the General Plan Discusses natural and man-made hazards Provides mitigation actions

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Technical Background Report to the Safety Element of the 2035 General Plan

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  1. Presentation to Coachella’s City Council October 8, 2014 Technical Background Report to the Safety Element of the 2035 General Plan

  2. Mandatory component of the General Plan Discusses natural and man-made hazards Provides mitigation actions Discusses disaster preparedness, response and recovery SAFETY ELEMENT

  3. Chapter 1: Seismic Hazards • Chapter 2: Geologic Hazards • Chapter 3: Flood Hazards • Chapter 4: Fire Hazards • Chapter 5: Hazardous Materials Management • Chapter 6: Severe Weather Hazards • Chapter 7: Disaster Preparedness, Response and Recovery • Appendix A: References • Appendix B: Glossary Report SECTIONS

  4. Regulatory framework Notable Historic Earthquakes Seismic Shaking Emphasis on the ShakeOut Scenario Fault Rupture Liquefaction Earthquake-Induced Landslides Chapter 1: Seismic hazards

  5. Faults and historical seismicity

  6. Liquefaction and slope instability

  7. M7.8, Southern San Andreas fault M7.1, Coachella segment of San Andreas fault Hazus earthquake scenarios Software created for FEMA; runs on ArcGIS platform; analyses conducted by a certified HazUS Trained Professional Estimates losses resulting from earthquakes, floods and hurricanes Uses Census data; user-modified to better represent conditions

  8. Hazus results

  9. Landslides and unstable slopes Compressible, collapsible, expansive and corrosive soils Ground subsidence Erosion and wind-blown sand Chapter 2: GEOLOGIChazards

  10. Chapter 3: Flood hazards

  11. Seismically induced inundation

  12. 500-year flood on Whitewater River Hazus loss scenario

  13. Vegetation fires Structure fires Chemical Fires Fires after an Earthquake Fire Suppression Services Chapter 4: Fire Hazards Chapter completed with significant input from the Riverside County Fire Department and Battalion Chief De La Cruz

  14. High fire hazard areas

  15. Superfund, Cortese, Toxic Release Inventory, EPA-registered Generators Leaking Underground Storage Tank Sites Drinking Water Quality Household Hazardous Waste & Recycling Releases due to Transportation Accidents Earthquake-Induced Releases Chapter 5:Hazardous materials management

  16. Hazardous materials sites

  17. High Winds Hail Temperature Extremes Drought Chapter 6: Severe weather

  18. Risk Analysis Impact to Critical Facilities Potential Evacuation Routes Potential Shelter Locations Chapter 7: Disaster preparedness

  19. Potential Emergency Shelters and Evacuation Routes

  20. ANY QUESTIONS? Tania González Vice-President, Sr. Consultant Earth Consultants International, Inc. tgonzalez@earthconsultants.com 714-412-2654 THANK YOU!

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