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Relief to the elevation or dry floodproofing standards may be granted for accessory <br />structures containing no more than 600 square feet. Such structures must meet the <br />following standards: <br />1. They shall not be used for human habitation; <br />2. They shall be constructed of flood resistant materials; <br />3. They shall be constructed and placed on the lot to offer the minimum resistance to <br />the flow of floodwaters; <br />4. They shall be firmly anchored to prevent flotation; <br />5. Service facilities such as electrical and heating equipment shall be elevated or <br />floodproofed to or above the level of the flood protection elevation; and <br />6. They shall meet the opening requirements of Section 1308.23(d)(5)(c); <br />(g) Recreational Vehicles <br />Recreational vehicles must meet at least one of the following standards: <br />L They shall not be located on sites in special flood hazard areas for more than 180 <br />days, or <br />2. They must be fully licensed and ready for highway use, or <br />3. They must meet all standards of Section 1308.23(d). <br />(h) Above Ground Gas or Liquid Storage Tanks <br />All above ground gas or liquid storage tanks shall be anchored to prevent flotation or <br />lateral movement resulting from hydrodynamic and hydrostatic loads. <br />(i) Assurance of Flood Carr~g Capacity <br />Pursuant to the purpose and methods of reducing flood damage stated in these <br />regulations, the following addifional standards aze adopted to assure that the reduction of <br />the flood carrying capacity of watercourses is minimized: <br />1. Development in Floodways <br />A.. In floodway areas, development shall cause no increase in flood levels during <br />the occurrence of the base flood discharge. Prior to issuance of a floodplain <br />development permit, the applicant must submit a hydrologic and hydraulic <br />analysis, conducted by a registered professional engineer, demonstrating that the <br />proposed development would not result in any increase in the base flood <br />elevation; or <br />B. Development in floodway areas causing increases in the base flood elevation <br />maybe permitted provided all of the following are completed by the applicant: <br />i. Meet the requirements to submit technical data in Section 1308.20(a); <br />ii. An evaluation of altematives, which would not result in increased base <br />flood elevations and an explanation why these alternatives aze not feasible; <br />iii. Certificafion that no structures aze located in areas that would be impacted <br />by the increased base flood elevation; <br />28 <br />