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Article 6: Development Standards <br /> Section 6.6: Additional Standards for Overlay Districts <br /> <br /> <br />Orange County, North Carolina – Unified Development Ordinance Page 6-24 <br /> <br />(5) Recreational Vehicles <br />Recreation vehicles placed on sites within a SFHA shall be consistent with either <br />of the following: <br />(a) Be on site for fewer than 180 consecutive days and be fully licensed and <br />ready for highway use (a recreational vehicle is ready for highway use if <br />it is on its wheels or jacking system, is attached to the site only by quick <br />disconnect type utilities, and has no permanently attached additions); or <br />(b) Meet all the requirements for new construction, including anchoring and <br />elevation requirements of Section 2.6 and Section 6.6.1(B)(3) of this <br />Ordinance. <br />(6) Fully Enclosed Areas Below Regulatory Flood Protection Elevation <br />(a) With the new construction or substantial improvement of elevated <br />buildings, fully enclosed areas that are below the regulatory flood <br />protection elevation shall not be used for human habitation, but shall be <br />designated for use only as follows: <br />(i) For parking of vehicles, <br />(ii) Building access, or <br />(iii) Limited storage of maintenance equipment used in connection <br />with the premises. <br />(b) Such spaces shall be constructed entirely of flood resistant materials <br />below the regulatory flood protection level in the AE zone and meet the <br />following criteria: <br />(i) Shall be designed to automatically equalize hydrostatic flood <br />forces on exterior walls by allowing for the entry and exit of <br />floodwaters. To meet this requirement, the foundation must <br />either be certified by a North Carolina licensed Professional <br />Engineer or Architect or meet the following minimum design <br />criteria: <br />a. Provide a minimum of two openings on different sides of <br />each enclosed area subject to flooding; <br />b. The total net area of all openings must be at least one <br />square inch for each square foot of enclosed area <br />subject to flooding; <br />c. If a building has more than one enclosed area, each <br />area must have openings on exterior walls to allow <br />floodwaters to directly enter and exit; <br />d. The bottom of all required openings shall be no higher <br />than one foot above the adjacent grade; <br />e. Openings may be equipped with screens, louvers, or <br />other opening coverings or devices provided they permit <br />the automatic flow of floodwaters in both directions; and <br />f. Foundation enclosures made of flexible vinyl or sheet <br />metal skirting are not considered enclosures for <br />regulatory and flood insurance rating purposes, and <br />therefore, do not require openings. Masonry or wood <br />underpinning, regardless of structural status, is <br />considered an enclosure and requires hydrostatic <br />openings as outlined above to comply with this <br />Ordinance. <br />(ii) The enclosed areas shall be used solely for parking of vehicles, <br />building access, or storage. <br /> 57