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County of Hawal'i Mul&Hazard Mitigation Plan Executive Summary Action HC13—Wailoa River Budge Retrofit Coordinate with the state to upgradefretrofit Singing Bridge to address chronic coastal flooding and impacts from tsunami. Tsunami project —criticality of the DPW bridge to get retrofitted to prevent isolated populations. Action H694--Tr6ining and Exerase. Augmentthe Coanty's annual emergency operations tralning and ; exercise program with relevant hazard scenario data and[models (Hazus) that were developed in support of the riskassessment for'this fiazairi mitigation Tannin effort 'High' i,ow Action HC15--Critical Infrastructure (roads and bridges) needs assessment. Conduct a vulnerability/needs Medium High assessment of identified critical roads and bridges that results in the identification of retrofitting projects and identifies critical routes in support of evacuation planning 'Action 9C16=Audible Notification•Needs'AssessmenL Conduct a needs assessment that identifies g@ps in fgadlurn low coverage in the Cauntjr's audible fwamirig,{sir`eris} system as well as existing systems that need to be replaced 'and/or updated. Action HC17--Rain Gauge Network. Purchase and install rain gauges in the Hnmakua Coast to support I Medium High landslide and flood risk identification and notification. 'Action'HC18—EargiquakefTrnOcal Cycioke Retrofit'Incentive Program. Cniiduct a study to determine tEie High High ,feasibility for 6e.County4to deploy an incentivd!based program that would encourage private property ,owners to rihfit their properties against the impacts of earthquakes and tropical cyclones: Key to this study , will be a wlnerabI . y analyst§ that attempts to idehffy the general building stock within the Couhty that is lmn vulnerable to these;tiazards. Action HC19—Vulnerable Property Protection. Where appropriate, support retrofitting, purchase or Medium ` Medium relocation of structures located in hazard areas, prioritizing those that have experienced repetitive losses and/or are located in high- or medium -risk hazard areas.17L — -- 'Actlon'HC20--Plan' integration: Integrate the hazard mitigation plan into other-pians, ordinances and High Low programs that dictate land use decisions in the community, including capital improvement ptograms;'the 'general recovery_,plans end, strategic plans: Action HC21—Risk Communication. Leveraging existing County public outreach programs, utilize the best High Low available data and science to communicate the risk from all hazards assessed by this plan to the public to promote prevention, preparedness, response, recovery and mibgation actions at the local scale. Action'HC22--Damage Assessment 1rotocol and Capacity Building. Develop protocol for collecting and High Law ,storing data necessarOo develop damage assessments. Research use of drone technology and�IT solutions.fio take footage and convert into assessments. Action HC23—Codes and Policies for Sea Level Rise: Update county codes and policies to require that all High I Low coastal development consider and incorporate measures to address sea level rise. :Action'HC24—Fre Pmfeation: Establish fire Ixeaks around communities and_along taadways _ NO High Action HC25--Shoreline setback for Coastal Erosion: Update county shoreline setback policies to include High i Low coastal erosion in order to better regulate development in the high -risk areas Action HC26-Reduce development'in high -risk hazard areas: Update and overlay hazard zones and High Low ,develop conditions fbr land use and design within high risk zones and within or adjacent to urban growth areas outside of higW-sk areas. Action HC27—Evacuation and Sheltering Assessment and Protocol: Perform an assessment of facilities High Low utilized as shelters and identify mitigation needs as well as develop evacuation and sheltering protocol, policies, and procedures. 'Action HC2t3-Volcanl_c Gas Monitoring: Provide training and develop monitoring plan to support High Low :gaslpartfculate.moi ijb ng .._ _— Action HC29—Emerging Hazards: This plan update was being completed during the COVID-19 pandemic, Medium i High illustrating the need for the plan to be dynamic and have the flexibility to adapt to emerging hazards that fall outside of the traditional natural hazards targeted in the Disaster Mitigation Act. This action is an open- I ended call for the County to adapt this plan as needed through the plan maintenance period to address new and emerging hazards of concern as theX affect the Hawai'i County planning, area. TETRA TECH 7oCv