Multi-Hazard Mitigation Plan: Executive Summary

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Executive Summav • update the HAZUS MH model to incorporate current bridge status and adapt HAZUS MH with enhanced building information data for hurricane loss estimation and identification of vulnerable structures Develop mapping of all major natural hazards: • flood map modernization with incorporation of both hurricane flood and tsunami inundation into DFIRM's • updated tsunami evacuation maps • earthquake ground failure hazard maps • probabilistic lava inundation maps • probabilistic tsunami inundation maps • dam inundation evacuation maps • landslide and slope stability hazard maps • LIDAR-based remapping of streams 4. Wildfire Prevention(firebreak establishment and fire mitigation resource inventory) 5. Drought Mitigation by improvements to irrigation aqueduct, reservoirs, and water management 6. Policy for Repetitive Flood Loss Properties 7. Develop natural hazard mitigation criteria policies for county facility site selection and design S. Public Awareness/Education, with additional focus on implementation of Multi-Hazard Mitigation Techniques and VOG • Incentives for Homeowners and Business to retrofit vulnerable structures: To further support this type of outreach,the following actions are still needed: • an expedited permit process if the homeowner uses the standard recommended plans; • working with insurance companies to get homeowners insurance credits for implementing these retrofits; • need to expand the Expert System to add the hurricane mitigation techniques that were previously developed for the Hawaii Hurricane Relief Fund's Loss Mitigation Grant Program. • Retrofit training,videos, displays, and demonstration/pilot retrofit projects • Multi-hazard public information website consolidating GIS mapping products for hazards &zoning 9. Mitigation of Erosion/Land/Rock Slides in residential areas and highways. (Highways have greater priority) xvi Hawaii County Multi-Hazard Mitigation Plan