Evergreen Fire Protection District Jefferson and Clear Creek Counties, Colorado
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2020 Evergreen Fire Protection District Jefferson and Clear Creek Counties, Colorado F 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 CONTENTS Evergreen Fire Protection District ............................................................................................................................1 Introduction ................................................................................................................................................................5 Evergreen’s Wildland Urban Interface (WUI) .......................................................................................................6 Fire History ..................................................................................................................................................................8 Catastrophic Wildfire – Common Factors .........................................................................................................9 Ignition Prevention ................................................................................................................................................. 10 Evergreen’s Preparedness for Wildfire ................................................................................................................. 11 Community Accomplishments since first CWPP .......................................................................................... 11 WUI Building Code for the Evergreen Fire Protection District ................................................................... 16 District Capacity .................................................................................................................................................. 17 Stakeholder Input .................................................................................................................................................... 19 Community Members ........................................................................................................................................ 19 Agency Partners ................................................................................................................................................... 21 Emergency Managers .......................................................................................................................................... 21 Community Risk Assessment ................................................................................................................................ 22 Fire Behavior Analysis ........................................................................................................................................ 23 Inputs to Fire Behavior ....................................................................................................................................... 25 Neighborhood Hazard Assessment .................................................................................................................. 34 Community Risk Rating ..................................................................................................................................... 35 Radiant Heat and Spotting Potential ..................................................................................................................... 37 Prioritization .................................................................................................................................................... 38 Roadway Survivability ............................................................................................................................................. 40 Evacuation ................................................................................................................................................................ 41 Congestion ........................................................................................................................................................... 42 Time to Evacuate ................................................................................................................................................. 44 Prioritization .................................................................................................................................................... 51 Post Fire Effects Modeling ...................................................................................................................................... 52 Potential post-fire erosion in Evergreen Fire Protection District ............................................................ 53 Predicted post-fire erosion ............................................................................................................................ 54 2 Watershed Management Recommendations ....................................................................................................... 57 Prioritization .................................................................................................................................................... 57 Mitigation Actions .......................................................................................................................................... 60 Landscape Fuel Treatment Locations ................................................................................................................... 61 Prioritization .................................................................................................................................................... 61 Bear Creek ............................................................................................................................................................ 64 Brook Forest ......................................................................................................................................................... 66 Lone Peak ............................................................................................................................................................. 68 Bear Mountain ..................................................................................................................................................... 70 Marshdale ............................................................................................................................................................. 72 Kerr Gulch ............................................................................................................................................................ 74 Saddleback Mountain ......................................................................................................................................... 76 Southwest Tactical ............................................................................................................................................... 78 Evans Ranch ......................................................................................................................................................... 80 Witter Gulch ........................................................................................................................................................ 82 Existing Priority Landscape ............................................................................................................................... 84 Values at Risk Treatment Recommendations ...................................................................................................... 85 Highest Priority Locations ................................................................................................................................. 86 Shelter-In-Place Recommendations ...................................................................................................................... 88 Prioritization ........................................................................................................................................................ 90 Wildland Fuel Treatments ...................................................................................................................................... 92 Guidelines ............................................................................................................................................................. 92 Prescriptions for Treatment ................................................................................................................................... 94 Thinning/Timber Harvest ............................................................................................................................. 94 Brush Thinning ............................................................................................................................................... 95 Cutting/limbing ............................................................................................................................................... 96 Patch Clear Cut ............................................................................................................................................... 96 Shelter-in-Place ............................................................................................................................................... 96 Biomass Management and