ORD-2005-024 - Orange County Flood Damage Prevention Ordinance Amendments

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05/12/2005 34 2. If the requirements of Section 42- 94b(1) are adhered to, all development shall comply with all applicable flood hazard reduction provisions of this Ordinance. 3. No manufactured homes shall be permitted, except replacement manufactured homes in an existing manufactured home park or subdivision, provided the following provisions are met: a. The anchoring and elevation standards of Section 42- 92(3); and b. The no encroachment standard of Section 42- 94b(2) are met. Sec. 42 -94c. Standards for Floodplains without Established Base Flood Elevations. Within the SFHAs established in Section 42 -37, where no BFE data has been provided, the following provisions shall apply: 1. No encroachments, including fill, new construction, substantial improvements or new development shall be permitted within a distance of twenty feet each side from top of bank or five times the width of the stream whichever is greater, unless certification with supporting technical data by a North Carolina licensed Professional Engineer is provided demonstrating that such encroachments shall not result in any increase in flood levels during the occurrence of the base flood discharge. 2. If the requirements of Section 42 -94(1) are adhered to and BFE data are available from other sources, all new construction and substantial improvements within such areas shall also comply with all applicable provisions of this Ordinance and shall be elevated or flood proofed according to elevations established according to Section 42- 69(11/12)1 When BFE data are not available from a federal, state, or other source, the reference level, including basement, shall be elevated at least two (21 feet above the HAG. Sec. 42 -95. Standards for areas of shallow flooding (AO zones). Located within the SFHAs established in Section 42 -37, are areas designated as shallow flooding areas. These areas have special flood hazards associated with base flood depths of one (1) to three (3) feet where a clearly defined channel does not exist and where the path of flooding is unpredictable and indeterminate. The following provisions shall apply within such areas: 1. All new construction and substantial improvements of all structures shall have the lowest floor, including basement, elevated to the depth number specified on the FIRM, in feet, above the highest adjacent grade. If no depth number is specified, the lowest floor, including basement, shall be elevated at least two feet above the Mghest adjaeei# regulatory flood protection elevation as defined for the SFHAs, where no BFE has been established. 2. All new construction and substantial improvements of non - residential structures shall have the option, in lieu of elevation, to be completely flood proofed together with attendant utilities and sanitary facilities to or above that level so that any space below that level is the same depths as listed above so giat a spaee that level shat be watertight with walls substantially impermeable to the passage of water and with structural components having the ti:1( "?!:Ii; `:l:Kitic3i'f: M -mmi!i €)!: `1'i'iV i '00.; , ;c:''lic th,i i�: s'il,3ay ::: >•.i nc <. ?'•,r >c „•?sec4 #ia:�] 313a,?SL'•.u.rx;