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"Accessory use" means a use which is incidental and subordinate to the <br /> <br /> principal use of the parcel of land on which it is located. <br /> "Appeal" means a request for a review of the floodplain administrator's <br /> interpretation of any provision of this chapter or denial of a request for a variance. <br /> <br /> {{3j] "Area of shallow flooding" means a designated AO or AH zone on the <br /> Flood Insurance Rate Map (FIRM). The base flood depths range from one to three <br /> feet; a clearly defined channel does not exist; the path of flooding is unpredictable <br /> and indeterminate; and velocity flow may be evident. Such flooding is <br /> characterized by ponding or sheet flow. <br /> [(4~] "Backfill" means the placement of fill material within a specified <br /> depression, hole or excavation pit below the surrounding adjacent ground level as <br /> a means of improving [flamer] floodwater conveyance or to restore the land <br /> to the natural contours existing prior to excavation. <br /> {{3j] "Base flood" means the flood having a one percent chance of being <br /> [ems] equaled or exceeded in any given year (also called the "one-hundred- <br /> year flood"). <br /> "Base flood elevation" means the water surface elevation of the base <br /> flood. <br /> {(~j] "Basement" means any area of the building having its floor subgrade <br /> (below ground level) on all sides. <br /> [(S3] "Breakaway walls" are any type of walls, whether solid or lattice, and <br /> whether constructed of concrete, masonry, wood, metal, plastic or any other <br /> suitable building material which is not part of the structural support of the <br /> building and which is designed to break away under abnormally high tides or <br /> wave action without causing any damage to the structural integrity of the building <br /> on which they are used or any buildings to which they might be carried by [f]eed <br /> w,•;teF~] floodwaters. A breakaway wall shall have a safe design loading <br /> resistance of not less than ten and no more than twenty pounds per square foot. <br /> Use of breakaway walls must be certified by a [registerec#] licensed structural <br /> engineer or architect and shall meet the following conditions: <br /> [ fAj] ~ [l~eakaway] Breakaway wall collapse shall result from a water load <br /> less than that which would occur during the base flood; and <br /> [(-1~] ~ [the] The elevated portion of the building shall not incur any structural <br /> damage due to the effects of wind and water loads acting <br /> simultaneously in the event of the base flood. <br /> "Buffer zones" are areas bordering and within 50 feet of special flood hazard <br /> areas with base flood elevations death numbers specified in feet on the FIRM or <br /> other areas that have been studied and identified with base flood elevations or <br /> death numbers. <br /> [(alj] "Coastal high hazard area" -See "Zone V" and "Zone VE." <br /> [cIO~ ~.r~ t F o ..«e „i .,.,a ..,,t:i :ao.,«:r,~r.to „r n,.,.a <br /> gY J Y <br /> ..1.J 1.,. ..0.7.] <br /> "Development" means any man-made change to improved or unimproved <br /> real estate, including but not limited to buildings or other structures, mining, <br /> 4 <br /> <br />