Multi-Hazard Mitigation Plan: 01. Introduction

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Chapter 1:Appendix A Chapter 1 —Appendix A. Summary Digest Description of Changes from 2005 to 2010 in the County of Hawaii Multi-Hazard Mitigation Plan — updated December 2010 Overall Reorganization and Reformatting of the 2010 Plan To accommodate greater detail on hazards and risk assessment, as well as to more clearly identify hazard mitigation activities and their specific impacts,the Hawaii County Multi- Hazard Mitigation Plan has been substantially reorganized, and now has separate chapters on each of the hazards. The number of hazards individually included in the plan has increased from 7 to 13, plus an additional chapter on emergency sheltering,which is a special consideration for island counties that cannot evacuate inland during hurricanes. The total number of chapters has increased from S to 21. In short, this plan is a near-total rewrite with the objective of greater clarity in addition to a major update of technical knowledge. The chapter on the Mitigation Planning process has been relocated to Chapter 2, providing better linkage to the Executive Summary and Introduction for background on the development of the plan for decision makers. The number of graphic and photographic exhibits has substantially increased, in order to provide better historical and technical exhibits for specific hazards, as well as illustrations documenting new and ongoing hazard mitigation projects and the results of risk and vulnerability analyses. Each hazard-specific chapter discusses previous/current mitigation efforts and future mitigation plan activities, so that specific recommendations are focused on each hazard. These recommendations are then compiled and prioritized in Chapter 19. It is anticipated that this new format will make the plan better enabled to accommodate future updates in knowledge and mitigation actions in the future, and allow for hazard- specific information to be exported to other planning efforts, such as community development plans,the Hawaii General Plan, and the State of Hawaii Multi-Hazard Mitigation Plan. Chapter Description of Updates/Revisions in the draft 2010 Plan Executive Summary The 2005 plan discussed the primary The current 2010 plan developed a more concise executive hazards,critical facility and population summary,and also summarizes some of the more significant vulnerabilities,the mitigation strategy improvement in hazard identification and mitigation tools. The and priorities are given,and an updated mitigation strategy and project priorities are updated. exhaustive listing of various mitigation The most vulnerable facilities and populations are identified. The actions is provided. detailed mitigation action listing is given later in Chapter 19. 1. Introduction The 2005 plan provides an explanation of The 2010 plan updates the introduction with updates on hazards the intent of the hazard mitigation plan, and the scope of the plan,as well as updated exhibits. and a discussion of the geographic profile of Hawaii County from a hazards vs.community exposure perspective. A l-1 Hawaii County Multi-Hazard Mitigation Plan