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Article 10: Definitions 184 Section 10.1: Definitions The channel of a river or other watercourse and the adjacent land areas that must be reserved in order to discharge the base flood without cumulatively increasing the water surface elevation more than one foot. This term may also be referred to as"regulatory floodway." Floodway encroachment analysis An engineering analysis of the impact that a proposed encroachment into a floodway or non- encroachment area is expected to have on the floodway boundaries and flood levels during the occurrence of the base flood discharge. The evaluation shall be prepared by a qualified North Carolina licensed engineer using standard engineering methods and models. Flood Zone A geographical area shown on a Flood Insurance Rate Map that reflects the severity or type of flooding in the area. Floor See "Lowest Floor". Floor Area Ratio Floor Area Ratio (FAR) is the maximum floor area permitted for each square foot of land area. Footcandle See Outdoor Lighting, Foot-candle. Forest Plantation An area of planted trees that may be conifers (pines)or hardwoods. On a plantation, the intended crop trees are planted rather than naturally regenerated from seed on the site, coppice (sprouting), or seed that is blown or carried into the site. Forest Vegetation The plants of an area which grow together in disturbed or undisturbed conditions in various wooded plant communities in any combination or trees, saplings, shrubs, vines, and herbaceous plants. This includes mature and successional forests as well as cutover stands. Foundry A land use involved with the production of castings or products through poring molten metal into molds or casts. Fraternity, Sorority House A building occupied by and maintained exclusively for college or university students who are affiliated with a social, honorary or professional organization and which is recognized by the college, university or other institution of higher learning. Freeboard Height added to the Base Flood Elevation (BFE)to account for the many unknown factors that could contribute to flood elevations. Frontage, Building The linear length of a building facing a public street right-of-way, exclusive of alleys; or the linear length of the street right-of-way that faces the building, whichever is smaller. Frontage, Lot Line The distance measured along the designated front lot line or public or private right-of-way or easement, as determined by the Planning Director, which affords vehicular access to the property between the points of intersection of the side lot lines with such right-of-way or easement. For the purposes of this definition, businesses have only one frontage. Orange County, North Carolina—Unified Development Ordinance Page 10-17