APPENDIX D-21 FIRE PROTECTION PLAN SUPPLEMENTAL ANALYSIS OTAY RANCH RESORT VILLAGE 13 – ALTERNATIVE H JANUARY 2019 PREPARED FOR: COUNTY OF SAN DIEGO PLANNING & DEVELOPMENT SERVICES 5510 OVERLAND AVENUE SAN DIEGO, CA 92123 PREPARED BY: MICHAEL HUFF DUDEK 605 THIRD STREET ENCINITAS, CA 92024 FIRE PROTECTION PLAN for the THE OTAY RANCH RESORT VILLAGE ALTERNATIVE H PROJECT Environmental Log No. PDS2004-04-19005 SCH No. 2004101058 Prepared for: County of San Diego Planning & Development Services Prepared by: 605 Third Street Encinitas, California 92024 SEPTEMBER 2018 Printed on 30% post-consumer recycled material. Fire Protection Plan The Otay Ranch Resort Village - Alternative H Project TABLE OF CONTENTS Section Page No. ACRONYMS AND ABBREVIATIONS ..................................................................................... V EXECUTIVE SUMMARY .......................................................................................................VII 1 INTRODUCTION..............................................................................................................1 1.1 Purpose .................................................................................................................... 1 1.2 Scope ....................................................................................................................... 1 1.3 Applicable Codes .................................................................................................... 2 2 PROPOSED ALTERNATIVE H SUMMARY ...............................................................3 2.1 Location .................................................................................................................. 3 2.1.1 Vicinity Land Use ....................................................................................... 3 2.2 Alternative H Description ....................................................................................... 4 2.2.1 Resort .......................................................................................................... 4 2.2.2 Residential................................................................................................. 13 2.2.3 Public Uses................................................................................................ 13 2.2.4 Public Safety Site ...................................................................................... 13 2.2.5 Otay Ranch Preserve ................................................................................. 13 2.2.6 Non-Preserve Open Space ........................................................................ 14 2.2.7 Other Land Uses ....................................................................................... 14 3 PROPOSED ALTERNATIVE H STUDY AREA RISK ANALYSIS ........................15 3.1 Field Assessment .................................................................................................. 15 3.2 Site Characteristics and Fire Environment ........................................................... 15 3.2.1 Topography ............................................................................................... 15 3.2.2 Vegetation ................................................................................................. 16 3.2.3 Climate ...................................................................................................... 19 3.2.4 Fire History ............................................................................................... 19 4 DETERMINATION OF ALTERNATIVE H EFFECTS ............................................21 5 ANTICIPATED FIRE BEHAVIOR ..............................................................................27 5.1 Fire Behavior Modeling ........................................................................................ 27 5.1.1 BehavePlus Fire Behavior Modeling Effort ............................................. 27 5.1.2 FlamMap Analysis .................................................................................... 29 5.2 Fire Behavior Summary ........................................................................................ 29 5.2.1 Existing Condition .................................................................................... 29 5.2.2 Post-development Condition ..................................................................... 30 5.3 Alternative H Area Fire Assessment ..................................................................... 30 9510 i September 2018 Fire Protection Plan The Otay Ranch Resort Village - Alternative H Project TABLE OF CONTENTS (CONTINUED) Section Page No. 6 EMERGENCY RESPONSE AND SERVICE ..............................................................31 6.1 Existing Fire Department Response Capabilities ................................................. 31 6.2 Estimated Calls and Demand for Service from the Alternative H ........................ 33 6.3 Fire Response Modeling ....................................................................................... 33 6.4 Alternative H Fire and Emergency Services ......................................................... 36 7 FIRE SAFETY REQUIREMENTS- DEFENSIBLE SPACE, INFRASTRUCTURE, AND BUILDING IGNITION RESISTANCE .......................43 7.1 Fuel Modification Zones ....................................................................................... 43 7.1.1 Zones and Permitted Vegetation ............................................................... 43 7.2 Other Vegetation Management ............................................................................. 47 7.2.1 Roadside Fuel Modification Zones ........................................................... 47 7.2.2 Trail Vegetation Management .................................................................. 48 7.2.3 Parks and Open Space ............................................................................... 48 7.2.4 Vacant Parcels and Lots ............................................................................ 48 7.2.5 MSCP Preserve/Otay Ranch RMP Preserve ............................................. 49 7.2.6 Private Residential Lots ............................................................................ 49 7.2.7 Annual Fuel Modification Maintenance ................................................... 50 7.2.8 Annual FMZ Compliance Inspection........................................................ 50 7.2.9 Construction Phase Fuel Management...................................................... 50 7.3 Road Requirements ............................................................................................... 51 7.3.1 Access ....................................................................................................... 51 7.3.2 Gates ......................................................................................................... 53 7.3.3 Driveways ................................................................................................. 54 7.4 Structure Requirements ......................................................................................... 55 7.4.1 Ignition-Resistance ................................................................................... 55 7.4.2 Fire Protection System Requirements ....................................................... 58 7.4.3 Additional Requirements and Recommendations Based on Occupancy Type ......................................................................................... 60 8 ALTERNATIVE H DESIGN CONSIDERATIONS FOR NON-CONFORMING FUEL MODIFICATION.................................................................................................63 8.1 Heat Deflecting View Wall ................................................................................... 64 9 COMMUNITY EVACUATION PLAN .........................................................................67 9.1 Wildfire Education ................................................................................................ 67 9510 ii September 2018 Fire Protection Plan The Otay Ranch Resort Village - Alternative H Project TABLE OF CONTENTS (CONTINUED) Section Page No. 10 CUMULATIVE IMPACT ANALYSIS .........................................................................69 11 CONCLUSION ................................................................................................................71 12 REFERENCES .................................................................................................................75 APPENDICES A Site Photographs B Vicinity Fire History Map C Fire Service Availability Form D Water Service Availability Form E BehavePlus Fire Behavior Analysis F FlamMap Current and Post Development – Summer Fire G FlamMap Current and Post Development – Fall Fire H Fuel Modification Plan I Alternative H Plant List J Prohibited Plant List FIGURES 1 Regional Map ......................................................................................................................5 2 Alternative H Site Location Map .........................................................................................7 3 Surrounding Land Uses ........................................................................................................9 4 Otay Ranch Resort Village EIR Alternative H Land Uses Map ........................................11 5 Site Topography and Vegetation Map ................................................................................17 6 Fire Department Travel Time Analysis - Chula Vista FD Fire Station #8 ........................37