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Article 10 : Definitions <br /> Section 10 . 1 : Definitions <br /> escribes federal , state or local regulations in any combination thereof , which provide standards for <br /> p venting and reducing flood loss and damage . <br /> Floo Proofing <br /> Any co ination of structural and nonstructural additions , changes , or adjustme s to structures , which <br /> reduce or liminate risk of flood damage to real estate or improved real propert , water and sanitation <br /> facilities , or tructures with their contents . <br /> Flood - resist notmaterial <br /> Any building prod t , material , component or system , capable of withst ding direct and prolonged <br /> contact ( minimum hours ) with floodwaters without sustaining dama that requires more than low- cost <br /> cosmetic repair . Any aterial that is water- soluble or is not resistant o alkali or acid in water , including <br /> normal adhesives for a ve - grade use , is not flood - resistant . Pres re -treated lumber or naturally decay- <br /> resistant lumbers are acc table flooring materials . Sheet-type fl oring coverings that restrict <br /> evaporation from below an aterials that are impervious , but do ensionally unstable are not acceptable . <br /> Materials that absorb or retai water excessively after submer nce are not flood - resistant . Please refer <br /> to Technical Bulletin 2 , Flood D mage - Resistant Materials R quirements , and available from the FEMA . <br /> Class 4 and 5 materials , referenc d therein , are acceptabl lood - resistant materials . <br /> Floodway <br /> The channel of a river or other waterco se and the a acent land areas that must be reserved in order to <br /> discharge the base flood without cumulate ely incre ing the water surface elevation more than one foot . <br /> This term may also be referred to as " regul ory flo dway . " <br /> Floodway encroachment analysis <br /> An engineering analysis of the impact that a op ed encroachment into a floodway or non . <br /> encroachment area is expected to have on e floo ay boundaries and flood levels during the <br /> occurrence of the base flood discharge . T e evaluati shall be prepared by a qualified North Carolina <br /> licensed engineer using standard engine ring methods nd models . <br /> Flood Zone <br /> A geographical area shown on a FI od Insurance Rate Map t t reflects the severity or type of flooding in <br /> the area . <br /> Floor <br /> See " Lowest Floor" . <br /> Floor Area Ratio <br /> Floor Area Ratio ( FAR ) s the maximum floor area permitted for each square oot of land area . <br /> Footcandle <br /> See Outdoor Ligh Ing , Foot - candle . <br /> Forest Pla ation <br /> An area of p nted trees that may be conifers ( pines ) or hardwoods . On a plantation , the ' tended crop <br /> trees are p nted rather than naturally regenerated from seed on the site , coppice ( sprouti ) , or seed <br /> that is bl n or carried into the site . <br /> For t Vegetation <br /> The lants of an area which grow together in disturbed or undisturbed conditions in various woode lant <br /> co munities in any combination or trees , saplings , shrubs , vines , and herbaceous plants . This inclu s <br /> ature and successional forests as well as cutover stands . <br /> Foundry <br /> Orange County, North Carolina — Unified Development Ordinance Page 10 - 17 <br />