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Article 6: Development Standards Section 6.6: Additional Standards for Overlay Districts Orange County, North Carolina – Unified Development Ordinance Page 6-27 (a) No encroachments, including fill, new construction, substantial improvements and other developments shall be permitted unless it has been demonstrated through hydrologic and hydraulic analyses, performed according to standard engineering practice, that the proposed encroachment would not result in any increase in the flood levels during the occurrence of the base flood. Such certification and technical data shall be presented to the Floodplain Administrator before issuance of floodplain development permit. (b) If FEMA has approved a Conditional Letter of Map Revision (CLOMR), then a Letter of Map Revision (LOMR) must also be obtained upon completion of the proposed encroachment. (c) No manufactured homes shall be permitted. (D) Subdivisions, Manufactured Home Parks, and Major Developments All subdivisions, manufactured home parks, and major development proposals located within SFHAs shall: (1) Be consistent with the need to minimize flood damage. (2) Have public utilities and facilities such as sewer, gas, electric, cable, and water systems located and constructed to minimize flood damage. (3) Have adequate drainage provided to reduce exposure to flood hazards. (4) Have BFE data provided if development exceeds either 50 lots/units or five acres. Such BFE data shall be adopted by reference per Section 4.3. (E) Additional Standards for Development of Uses Within Special Flood Hazard Area Overlay District (SFHA) (1) The Board of County Commissioners may issue a Class “A” Special Use Permit for solid waste disposal facilities, hazardous waste management facilities, salvage/junk yards, and chemical storage facilities that are located in SFHAs, in accordance with the Table of Permitted Uses, if all of the following conditions are met: (a) The use serves a critical need in the Orange County. (b) No feasible location exists for the use outside the SFHA. (c) The reference level of any structure is elevated or flood proofed to at least the regulatory flood protection level. (d) The use complies with all other applicable federal, state and local laws. (e) Orange County has notified the Secretary of the North Carolina Department of Crime Control and Public Safety of its intention to grant a Special Use Permit at least 30 days before granting the permit. (2) The Board of County Commissioners is required to make affirmative findings of fact based on the testimony of the applicant(s) as to the project’s compliance with these standards. (F) Effect Upon Outstanding Floodplain Development Permits Nothing herein contained shall require any change in the plans, construction, size, or designated use of any development or any part thereof for which a floodplain development permit has been granted by the Floodplain Administrator or his/her authorized agents before the time of passage of this Ordinance; provided, however, that when construction is not begun under such outstanding permit within a period of six months subsequent to passage of this Ordinance or any revision thereto, construction or use shall be in conformity with the provisions of this Ordinance. (G) Enforcement 127