Evergreen CWPP That Addresses a Changing Landscape and Fire Science
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2020 Evergreen Fire Protection District Jefferson and Clear Creek Counties, Colorado Community Wildfire Protection Plan EVERGREEN FIRE PROTECTION DISTRICT COMMUNITY WILDFIRE PROTECTION PLAN 2020 UPDATE Prepared for Evergreen Fire Rescue 1802 Bergen Pkwy, Evergreen, Colorado 80439 Prepared by Forest Stewards Guild 170 2nd Street SW Loveland, CO 80537 1 EVERGREEN COMMUNITY WILDFIRE PROTECTION PLAN 2020 UPDATE We, the undersigned, approve the Evergreen Community Wildfire Protection Plan: 2020 Update Signature Printed Name Date Title Organization Signature Printed Name Date Title Organization Signature Printed Name Date Title Organization Signature Printed Name Date Title Organization 2 CONTENTS Evergreen Fire Protection District ............................................................................................................................1 Evergreen Community Wildfire Protection Plan 2020 Update ...........................................................................2 Introduction ................................................................................................................................................................6 Evergreen’s Wildland Urban Interface (WUI) .......................................................................................................7 Fire History ..................................................................................................................................................................9 Catastrophic Wildfire – Common Factors ...................................................................................................... 10 Ignition Prevention ................................................................................................................................................. 11 Evergreen’s Preparedness for Wildfire ................................................................................................................. 12 Community Accomplishments since first CWPP .......................................................................................... 12 WUI Building Code for Evergreen Fire Protection District .......................................................................... 17 District Capacity .................................................................................................................................................. 18 Stakeholder Input .................................................................................................................................................... 20 Community Members ........................................................................................................................................ 20 Agency Partners ................................................................................................................................................... 21 Emergency Managers .......................................................................................................................................... 22 Community Risk Assessment ................................................................................................................................ 23 Fire Behavior Analysis ........................................................................................................................................ 23 Inputs to Fire Behavior ....................................................................................................................................... 25 Neighborhood Hazard Assessment .................................................................................................................. 31 Community Risk Rating ..................................................................................................................................... 32 Radiant Heat and Spotting Potential ..................................................................................................................... 33 Prioritization .................................................................................................................................................... 34 Roadway Survivability ............................................................................................................................................. 36 Evacuation ................................................................................................................................................................ 37 Congestion ........................................................................................................................................................... 38 Time to Evacuate ................................................................................................................................................. 40 Prioritization .................................................................................................................................................... 46 Post Fire Effects Modeling ...................................................................................................................................... 47 Potential post-fire erosion in Evergreen Protection District .................................................................... 48 3 Predicted post-fire erosion ............................................................................................................................ 49 Watershed Management Recommendations ....................................................................................................... 52 Prioritization .................................................................................................................................................... 52 Mitigation Actions .......................................................................................................................................... 55 Landscape Fuel Treatment Locations ................................................................................................................... 56 Prioritization .................................................................................................................................................... 56 Bear Creek ............................................................................................................................................................ 59 Brook Forest ......................................................................................................................................................... 61 Lone Peak ............................................................................................................................................................. 63 Bear Mountain ..................................................................................................................................................... 65 Marshdale ............................................................................................................................................................. 67 Kerr Gulch ............................................................................................................................................................ 69 Saddleback Mountain ......................................................................................................................................... 71 Southwest Tactical ............................................................................................................................................... 73 Evans Ranch ......................................................................................................................................................... 75 Witter Gulch ........................................................................................................................................................ 77 Values at Risk Treatment Recommendations ...................................................................................................... 79 Highest Priority Locations ................................................................................................................................. 80 Shelter-In-Place Recommendations ...................................................................................................................... 82 Prioritization ........................................................................................................................................................ 84 Wildland Fuel Treatments ...................................................................................................................................... 86 Guidelines ............................................................................................................................................................. 86 Prescriptions for Treatment ................................................................................................................................... 88 Thinning/Timber Harvest ............................................................................................................................. 88 Brush Thinning ............................................................................................................................................... 89 Cutting/limbing ............................................................................................................................................... 90 Patch Clear Cut ..............................................................................................................................................