Appendix H3 Fire Protection Plan SUNBOW II, PHASE 3 PROJECT FIRE PROTECTION PLAN Prepared for: Lennar Homes of California, Inc. 16465 Via Esprillo, Suite 150 San Diego, California 92127 Contact: David Shepherd Project Applicant ACI Sunbow, LLC 2356 Moore Street San Diego, California 92110 Contact: Bill Hamlin Prepared by: 605 Third Street Encinitas, California 92024 MARCH 2021 Printed on 30% post-consumer recycled material. Table of Contents SECTION PAGE NO. ACRONYMS AND ABBREVIATIONS .............................................................................................................................. V EXECUTIVE SUMMARY .............................................................................................................................................. VII 1 INTRODUCTION ............................................................................................................................................. 1 1.1 Applicable Codes and Existing Regulations .......................................................................................... 1 1.2 Proposed Project Summary ................................................................................................................... 2 1.2.1 Location ..................................................................................................................................... 2 1.2.2 Proposed Project Description ................................................................................................... 2 2 PROPOSED PROJECT SITE RISK ANALYSIS.................................................................................................... 11 2.1 Environmental Setting and Field Assessment ................................................................................... 11 2.2 Site Characteristics and Fire Environment ........................................................................................ 11 2.2.1 Topography ............................................................................................................................. 11 2.2.2 Existing/Vicinity Land Use ..................................................................................................... 12 2.2.3 Climate ................................................................................................................................... 12 2.2.4 Vegetation (Fuels) .................................................................................................................. 12 2.2.5 Vegetation Dynamics ............................................................................................................. 13 2.2.6 Fire History ............................................................................................................................. 14 3 ANTICIPATED FIRE BEHAVIOR ..................................................................................................................... 18 3.1 Fire Behavior Modeling ....................................................................................................................... 18 3.2 Fire Behavior Modeling Analysis ......................................................................................................... 18 3.3 Fire Modeling Summary ...................................................................................................................... 20 3.4 Wildland Fire Risk Assessment .......................................................................................................... 20 4 EMERGENCY RESPONSE AND SERVICE...................................................................................................... 25 4.1 Emergency Response .......................................................................................................................... 25 4.2 Estimated Calls and Demand for Service .......................................................................................... 30 4.3 Response Capability Impact Assessment .......................................................................................... 31 5 BUILDINGS, INFRASTRUCTURE, AND DEFENSIBLE SPACE ......................................................................... 33 5.1 Site Access ........................................................................................................................................... 33 5.1.1 Fire Apparatus Access ........................................................................................................... 33 5.1.2 Road Widths and Circulation ................................................................................................. 34 5.1.3 Gates ...................................................................................................................................... 34 5.1.4 Dead-Ends .............................................................................................................................. 34 5.1.5 Surface ................................................................................................................................... 34 5.1.6 Vertical Clearance .................................................................................................................. 34 12431 i March 2021 SUNBOW II, PHASE 3 PROJECT FIRE PROTECTION PLAN 5.1.7 Driveways ............................................................................................................................... 34 5.1.8 Premise Identification ............................................................................................................ 35 5.2 Ignition Resistant Construction .......................................................................................................... 35 5.2.1 Additional Requirements and Recommendations Based on Occupancy Type .................. 35 5.3 Fire Protection Systems ...................................................................................................................... 36 5.3.1 Water Supply .......................................................................................................................... 36 5.3.2 Fire Hydrants .......................................................................................................................... 36 5.3.3 Automatic Fire Sprinkler Systems ......................................................................................... 36 5.3.4 Smoke Alarm Systems ........................................................................................................... 36 5.4 Defensible Space and Vegetation Management ............................................................................... 36 5.4.1 Fuel Modification Zones ........................................................................................................ 36 5.4.2 Fuel Modification Area Vegetation Maintenance ................................................................. 42 5.4.3 Annual Fuel Modification Zone Compliance Inspection ...................................................... 42 5.4.4 Reduced Fuel Modification Zone Discussion ....................................................................... 42 6 HOMEOWNER’S WILDFIRE EDUCATION PROGRAM .................................................................................... 56 7 CONCLUSION .............................................................................................................................................. 58 8 LIMITATIONS ............................................................................................................................................... 60 9 LIST OF PREPARERS ................................................................................................................................... 62 10 REFERENCES .............................................................................................................................................. 64 APPENDICES A Representative Site Photographs B BehavePlus Fire Behavior Analysis C Proposed Project Slope Planting and FMZ Tree List D Prohibited Plant List FIGURES 1 Project Location ................................................................................................................................................... 5 2 Sunbow II, Phase 3 Site Plan .............................................................................................................................. 7 3 Sunbow II, Phase 3 Land Use Plan ..................................................................................................................... 9 4 Fire History Map ................................................................................................................................................ 16 5 BehavePlus Fire Behavior Analysis .................................................................................................................. 23 6 Closest Fire Station Locations .......................................................................................................................... 28 7a Conceptual Fuel Modification Map .................................................................................................................. 44 7b Fuel Modification Zone Cross Sections ........................................................................................................... 46 7c Fuel Modification Zone Cross Sections ........................................................................................................... 48 7d Fuel Modification Zone Cross Sections ..........................................................................................................