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20 <br />d Where a fire wall or independent perimeter load-bearing wall is provided <br />between the addition and the existing building, the addition(s) shall be <br />considered a separate building and only the addition need comply with the <br />standards for new construction. <br />Sec 6 32 3 Specific Standards for floodplains without established base flow <br />elevations (Approximate Zone A). <br />Within the SFHAs established in Section 4.2.38 are where no base flood data has been <br />provided the followingprovisions shall apply: <br />1 No encroachments including fill new construction substantial improvements or new <br />development shall be permitted within a distance of fifty (50) feet each side from top <br />of bank or five times the width of the stream whichever is greater, unless certification <br />with supporting technical data bYa North Carolina licensed Professional Engineer is <br />provided demonstrating that such encroachments shall not result in any increase in <br />flood levels during the occurrence of the base flood discharge. <br />2 If Section 6 32 2(1) is satisfied and BFE data is available from other sources, all new <br />construction and substantial improvements within such areas shall also comply with <br />all applicable provisions of this Ordinance and shall be elevated or flood proofed <br />according to elevations established according~to Section 4.2.38. <br />3 All subdivisions manufactured home darks and other development proposals located <br />within SFHAs shall provide BFE data Such BFE data shall be adopted by reference <br />per Section 4 2 39 to be utilized in implementing this Ordinance. <br />4 When BFE data are not available from a Federal, State, or other source, the reference <br />level including basement shall be elevated at least two (2) feet above the highest <br />adjacent rg ade. <br />Sec 6 32 4 Subdivisions, manufactured home parks, and maior developments. <br />All subdivisions manufactured home park and major development proposals located <br />within SFHAs shall: <br />1 Be consistent with the need to minimize flood damage. <br />2 Have~ublic utilities and facilities such as sewer gas, electric, cable, and water <br />systems located and constructed to minimize flood damage. <br />3 Have adequate drainage provided to reduce exposure to flood hazards <br />4 Have BFE data provided if development exceeds either of fifty (50) lots/units or five <br />(5) acres Such BFE data shall be adopted by reference per Section 4.2.39. <br />Sec 6 32 5 Standards for floodplains with BFE but without established floodwavs <br />or non-encroachment areas. <br />