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Article 6: Development Standarcls <br /> Section 6.6: Additional Standards for Overlay Distri ts7 <br /> {g) An accessory structure with any dimension that is 12 feet or less in <br /> certificate. Elevation or flood proofing certifications are required for all <br /> other accessory structures according to Section 2.6.11; and <br /> (h) The accessory structure shall meet a e•••- -•e - <br /> regi ire nts. <br /> {a) Where a fire wall or independent perimeter road bearing wall is provided <br /> between the addition and the existing building, the addition(s) shall be <br /> the standards for new construction. <br /> (b) Prc FIRM Structures <br /> (i) For additions and/or improvements, in combination with any <br /> interior modifications to the existing structure, that are not <br /> considered a substantial improvement, as defined, and do not <br /> require a zoning or building permit, the addition and/or <br /> shall not be any more non conforming than the existing structure. <br /> (ii) For additions and/or improvements, in combination with any <br /> interior modifications to the existing structure, that arc <br /> zoning or building permit both the existing structure and the <br /> new-construction. <br /> (c) Post FIRM Structures <br /> (i) Additions to post FIRM structures with no modifications to the <br /> existing structure shall require only the addition to comply with <br /> the standards for new construction. <br /> (ii) For additions and/or improvements, in combination with any <br /> interior modifications to the existing structure, that are not <br /> considered a substantial improvement, the addition and/or <br /> improvements only must comply with the standards for new <br /> construction. <br /> (iii) For additions and/or improvements, in combination with any <br /> interior modifications to the existing structure, that arc <br /> considered a substantial improvement, both the existing <br /> with the standards for new construction. <br /> (1) Areas designated as floodways or non encroachment areas are located within <br /> the SFHA established in Section 4.3. <br /> (2) The floodways and non encroachment areas are extremely hazardous argac due <br /> to the velocity of floodwaters that have erosion potential and carry debris and <br /> potential projectiles. <br /> {3) The following provisions shall apply to all development within such areas: <br /> Orange County, North Carolina—Unified Development Ordinance Page 6-26 <br />