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Manufactured homes that are outside of manufactured home park or subdivision, in a new <br />manufactured home park or subdivision, in an expansion to an existing manufactured home <br />park or subdivision, or in an existing manufactured home park or subdivision, be elevated on <br />a permanent foundation such that the lowest floor of the home is elevated a minimum of two <br />(2) feet above the base flood elevation and be securely attached to an anchored foundation <br />system. <br />Manufactured homes to be placed or substantially improved on sites in an existing <br />manufactured home park or subdivisionbe elevated so that either: <br />1.The lowest floor of the manufactured home is elevated a minimum of two (2) feet above <br />the base flood level; or <br />2.The manufactured home chassis is supported by reinforced piers or other foundation <br />elements of at least equivalent strength that are no less than thirty-six (36) inches in <br />height above grade and be securely attached to an adequately anchored foundation <br />system to resist flotation, collapse and lateral movement. <br />Floodway <br />Since the floodway is an extremely hazardous area due to the velocity of floodwaters that carry <br />debris and potential projectiles, the following provisions shall apply: <br />1.The community shall select and adopt a regulatory floodway based on the principle that <br />the area chosen for the regulatory floodway must be designed to carry the waters of the <br />base flood without increasing the water surface elevation ofthat flood more than one (1) <br />foot at any point. <br />2.The community shall prohibit any encroachments, including fill, new construction, <br />substantial improvements, and other development, within the adopted regulatory <br />floodway unless it has been demonstrated through hydrologic and hydraulic analyses <br />performed in accordance with standard engineering practice that the proposed <br />encroachment would not result in any increase in flood levels within the community <br />during the occurrence of the base flood discharge. <br />3.If Subsection (2) of this Section is satisfied, all new construction and substantial <br />improvements shall comply with all applicable flood hazard reduction provisions for <br />Flood Hazard Reduction. <br />Recreation Vehicles <br />Require that recreational vehicles be placed on sites within all unnumbered and numbered A <br />Zones and AE Zones within the Community either: <br />1.Be on the site for fewer than one hundred eighty (180) consecutive days; <br />2.Be fully licensed and ready for highway use; or <br />3.Meet the permitting, elevation, and theanchoring requirements for manufactured homes. <br />33 <br />Floodplain Development Guidelines Page of <br />