Multi-Hazard Mitigation Plan: 05. Tropical Cyclones

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Chapter 5:Hazard Analysis—Tropical Cyclones 5.5.2 Future Plans Recommended future hurricane hazard mitigation projects are listed below: Project Description Status Adopt IBC 2006 per HRS 107 Part II; High Windspeed areas are now Not effective for new Identify high windspeed areas and mapped,and have been adopted in construction until county vulnerable structures the State Building Code(2009 adopts IBC 2006;can be used to evaluate risk to existing buildings Adapt HAZUS-MH or other hazard Incorporate Hawaii building Proposed Planning Project; modeling to Hawaii Island inventory and critical facilities into The HAZUS model now has the HAZUS MH wind risk model. a realistic building inventory Hurricanes will cause much higher for Hawaii and Maui,but it losses than earthquakes to residential needs to be converted to the buildings;vulnerable structures can building modeling scheme be identified with respect to high used for hurricane analysis. wind zones Emergency shelter evaluation;Harden Perform a 1-year study to identify Proposed Project; public schools for emergency shelters. and rank Hawaii building types that Then follow-up with the more There is a shortage of shelter buildings in could be deemed safer for hurricane detailed DAGS-standardized Hawaii County. Of the 14 hurricane resistance without exhaustive site structural evaluation shelters on the island,only four shelters investigations. Use this screening procedure for those public have been evaluated for safety by DAGS: criteria to determine the number of shelter facilities that have • Holualoa E.S. low vulnerability buildings available higher vulnerability,taking • Waikoloa E.S.bldg D for refuge in the private sector. This into account the revised net • Waikoloa E.S.bldg E could result in a decrease in the shelter demand. • Konawaena E.S. number of persons that would report Perform a comprehensive screening to a public shelter. evaluation of public hurricane shelters and private sector buildings for possible use for refuge Hawaii County All-Hazard Assessment of The three to four facilities with the Proposed Project: Hurricane Shelters highest-ranked losses will be taken This detailed evaluation will This project will conduct onsite building to a detailed evaluation using Benefit be identifying priority construction as-built data collection for the Cost Analysis of potential mitigation buildings and providing the remaining 10 hurricane shelter buildings, measures. information necessary to using the more detailed DAGS- submit PDM grant standardized structural evaluation applications for three to four procedure that follows the criteria retrofit projects. established by the legislature Hardening of Waiakea High School Gym Waiakea High School Gym is a Last proposed for FY09 PDM Window,Door&Enclosure Retrofitting designated hurricane shelter,but has grant. Application requires Possible Roof&Framing connection glass doors and glass louvers further investigation to define retrofitting.When re-roofing a critical precise scope and cost,as facility,provide extra protection from well as developing the BCA water damage,check and refasten the roof sheathing. 5-19 Hawaii County Multi-Hazard Mitigation Plan