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<br /> ...a-.._.... - ._..a-....._-.._ ~ <br /> "Accessory use" means a use which is incidental and subordinate to the <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 /> {{3)] "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 [€Ieed-water] floodwater conveyance or to restore the land <br /> to the natural contours existing prior to excavation. <br /> "Base flood" means the flood having a one percent chance of being <br /> [eE}t4alled] a ualed 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 /> "Basement" means any area of the building having its floor subgrade <br /> (below ground level) on all sides. <br /> "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 [4laecl <br /> wateF~] 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 [registered] licensed structural <br /> engineer or architect and shall meet the following conditions: <br /> ~ [breakaway] Breakaway wall collapse shall result from a water load <br /> less than that which would occur during the base flood; and <br /> ~ [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 aeeas bordering and within 50 feet of special flood hazazd <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 /> d~th numbers. <br /> "Coastal high hazard area" -See "Zone V" and "Zone VE." <br /> ii n~ «r, i t',.,....« .e,..,,i .,a « „a:i..:ae: tifµti,to ...h ,.r n,.,.a <br /> [`r°7 cncrc2a-~arcc~-~iric&ii3-aiti inccgrar-a j <br /> ...t„ :tl.....r L,:,.L, a4.~ Fl.....1 ....ro..ti...... ,:.]e!1 1.., 44.0 o«,r:.e <br /> ,pro.... ..IA l.o yea.] <br /> [(-}d-)] "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 />