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Hay" I Potential dollar losses for each major hazard event: Hazard Profile Worksheets, Vulnerability and Risk Assessment Worksheets, Hazard Assessment Summary, Critical Facility Inventory Assessment; Structure and Content Loss Estimates, and Functional Loss Estimates are included in Attachment "D" for the eight (8) hazards classified as substantial or major in severity and highly likely or likely in frequency. The assumptions followed to prepare the worksheets are as follows: Flooding HAZMAT Transportation Collision Tornado High Wind Wild Fire Drou ght Extreme Heat I 20% of structure value and 20% of contents value 20% of structure value and 20% of contents value 20% of structure value and 20% of contents value 20% of structure value and 20% of contents value 20% of structure value and 20% of contents value ] 0% of structure value and ] 0% of contents value ] 0% of structure value and 10% of contents value 5% of structure value and 5% of contents value The Hays County Mitigation Planning Committee discussed damages that may occur to buildings subjected to extended periods of Extreme Heat. While the damages are considered to be minimal in relation to other hazards, building contents and finishes are subject to damages should the building be abandoned for a period due to extreme heat. Enclosed areas can exceed 120+ degrees if not properly ventilated. 3.8 Out-of-date Flood Hazard Mapping Based on Table 4, "Hays County Existing National Flood Insurance Program (NFIP) Mapping", the technical age of the Flood Insurance Rate Maps in Hays County is estimated to be 12 years old. The Technical Age is the age of the hydrologic and hydraulic analysis, surveying and mapping used in preparation of the Flood Insurance Rate Maps (FIRMs) utilized by Hays County and the individual communities to issue development permits. The existing Hays County FIRMs do not meet FEMA' s current mapping standards and should be updated to digital mapping standards to match the flood insurance study efforts initiated by FEMA in Travis, Comal and Guadalupe Counties that are adjacent to Hays County. Hays County faces the same development pressures that created the mapping need for FEMA to initiate these studies. Local floodplain administrators are required to reference out-of-date floodplain mapping to make pelmit decisions for development in or near the floodplain. Many streams in Hays County have never been studied and mapped and flood hazards such as base flood elevations, floodway location and limits of the ] OO-year and 500-year floodplains are unknown. I Ha~'s Counly, Texas Miligation Plan ]02