Multi-Hazard Mitigation Strategies
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Ist D This Page Intentionally Left Blank City of Beverly Hills Local Hazard Mitigation Action Plan, 2017-2022 Table of Contents Executive Summary ........................................................................................................................ 1 Part I: Mitigation Action Plan ....................................................................................................... 17 Section 1: Introduction .............................................................................................................. 17 Section 2: Community Profile .................................................................................................. 31 Section 3: Risk Assessment ...................................................................................................... 45 Section 4: Multi-Hazard Mitigation Strategies ......................................................................... 61 Section 5: Plan Maintenance ................................................................................................... 101 Part II: Hazard Specific Information ........................................................................................... 107 Section 6: Earthquake ............................................................................................................. 107 Section 7: Wildfire .................................................................................................................. 129 Section 8: Terrorism ............................................................................................................... 153 Section 9: Flood ...................................................................................................................... 167 Section 10: Landslide .............................................................................................................. 183 Section 11: Windstorm ........................................................................................................... 193 Section 12: Drought ................................................................................................................ 203 Section 13: Special Events ...................................................................................................... 209 Part III: Resources....................................................................................................................... 217 Appendix A: Plan Resource Directory ................................................................................... 217 Appendix B: Local Hazard Mitigation Action Plan Review Crosswalk ................................ 231 Appendix C: Natural Hazard Risk Analysis Rating Form ...................................................... 237 Appendix D: Planning and Public Involvement Meetings/Events ......................................... 241 Appendix E: CEQA Exemption/City Council Plan Adoption Resolution ............................. 245 Appendix F: Acknowledgements ............................................................................................ 247 List of Maps Map 1: City of Beverly Hills ...................................................................................................................... 20 Map 2: Geography and the Environment .................................................................................................... 32 Map 3: Metro Purple Line Extension Section 1 .......................................................................................... 37 Map 4: Current Land Use in the City of Beverly Hills ............................................................................... 41 Map 5: Public and Private Critical Facilities .............................................................................................. 52 Map 6: Public Critical Infrastructure .......................................................................................................... 54 Map 7: Seismic Hazards 3-D Animation of the Los Angeles Area. ......................................................... 108 Map 8: M3.4 Beverly Hills Earthquake - Friday, September 7, 2015 ...................................................... 109 Map 9: Earthquakes in Southern California in July 2014 ......................................................................... 111 Map 10: Topography of the Los Angeles Basin ....................................................................................... 114 Map 11: City of Beverly Hills Liquefaction Zones .................................................................................. 119 Map 12: Known Earthquake Faults Near the City of Beverly Hills ......................................................... 121 Map 13: City of Beverly Hills Fire Hazard Zones .................................................................................... 137 Map 14: Water Pressure Zones in Beverly Hills ....................................................................................... 143 Map 15: City of Beverly Hills Flood Areas .............................................................................................. 169 Map 16: Slope Instability Potential Map .................................................................................................. 189 Map 17: U.S. Drought Monitor, August 22, 2017 .................................................................................... 205 Map 18: Sacramento-San Joaquin River Delta ......................................................................................... 207 Map 19: Projected Spring Precipitation Change for 2080 – 2099 Compared to 1961-1979 Under Two Emission Scenarios ................................................................................................................................... 208 Map 20: Road Closures in Beverly Hills for the Los Angeles Marathon ................................................. 214 City of Beverly Hills Local Hazard Mitigation Action Plan, 2017-2022 List of Tables Table 1: 2017-2022 Mitigation Strategies Overview .................................................................................... 7 Table 2: Occupied Housing Units in Structure ........................................................................................... 18 Table 3: FEMA Major Disaster Declarations (DR), Los Angeles County 2000 – 2017 ............................ 19 Table 4: City of Beverly Hills Disasters Since 1990 .................................................................................. 19 Table 5: Local Climate ................................................................................................................................ 32 Table 6: Number of Units Built by Year ..................................................................................................... 33 Table 7: General Demographic Information ............................................................................................... 34 Table 8: Existing Land Uses ....................................................................................................................... 42 Table 9: Regional Housing Needs Assessment 2014–2021, Beverly Hills ................................................ 43 Table 10: Net New Housing Units per Year ............................................................................................... 43 Table 11: Federal Criteria for Risk Assessment ......................................................................................... 45 Table 12: Residential Structures by Year Built .......................................................................................... 56 Table 13: Building Value in Hazard Areas ................................................................................................. 57 Table 14: Prioritization and Benefit Analysis of Mitigation Strategies ...................................................... 99 Table 15: Magnitude 5.0 or Greater Southern California Earthquakes Since 1933 .................................. 110 Table 16: Seismic Building Codes ............................................................................................................ 125 Table 17: Partial List of California Building Codes ................................................................................. 127 Table 18: Largest California Wildfires Since 2003 .................................................................................. 131 Table 19: 2007 Los Angeles and Ventura Firestorm Statistics ................................................................. 131 Table 20: The 20 Largest California Wildfires ......................................................................................... 133 Table 21: Sample Hazard Identification Rating System ........................................................................... 140 Table 22: Summary of Terrorist Incidents in California*, 2005 - Present ................................................ 155 Table 23: Significant Reservoir Failures in Southern California .............................................................. 176 Table 24: Santa Ana Wind News Stories .................................................................................................. 194 Table 25: Windstorm Incident Records for Beverly Hills ........................................................................ 195 Table 26: Beaufort Wind Scale ................................................................................................................. 196 Table 27: Weekly