RES-2009-027a Flood Ordinance - Laserfiche WebLink

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18 Base flood -- The flood having a one (l~percent chance of being equaled or exceeded in any given year. It is often referred to as the 100-year flood. Base flood elevation (BFE) -- A determination as published in the Flood Insurance Study of the water surface elevations of the base flood. Basement -- Any area of the building having its floor sub grade (below Around level) on all sides. Chemical storage facility - A building, portion of a building, or exterior area adjacent to a building used for the stora e~y chemical or chemically reactive products. Development -- any constructed Chan eg to improved or unimproved real estate, including, but not limited to, buildings or other structures, mining, dredging filling=grading, paving, excavation or drilling operations, or stora eg of equipment or materials. Disposal -- the discharge, deposit, injection, dumping, spillin , lg Baking or placing of any solid waste into or on any land or water so that the solid waste or any constituent part of the solid waste may enter the environment or be emitted into the air or discharged into any waters, including_groundwater. Elevated Building -- Anon-basement building, which has its reference level raised above ground level by foundation walls, shear walls, posts, piers, pilings, or columns with openings sufficient to facilitate automatic equalization of hydrostatic flood forces on exterior walls by allowing entry and exit of floodwaters and the unimpeded movement of floodwaters. Encroachment -- The advance or infringement of uses, fill, excavation, buildings, permanent structures or development into a floodplain, which may impede or alter the flow capacity of a floodplain. Existing Construction -- Structures for which, the "start of construction" commenced before March 16, 1981. This term may also be referred to as "existing structures." Existing manufactured home park or manufactured home subdivision -- a manufactured home park or subdivision for which, for flood damage prevention purposes, the construction of facilities for servicing the lots on which the manufactured homes are to be affixed (including` at a minimum, the installation of utilities, the construction of streets, and either final site ading or the pouring of concrete pads) completed before March 16, 1981. Flood and flooding -- A general and temporary condition of partial or complete inundation of normally dry land areas from the overflow of inland or tidal waters and the unusual and rapid accumulation of runoff of surface waters from any source. Flood fringe -- That portion of the SFHA outside of the floodwav as defined in the FIS and with the boundary of the 100-year floodplain. Flood Insurance -- The insurance coverage provided under the National Flood Insurance Program NFIP Flood insurance rate map (FIRM) -- An official, adopted Orange County map, issued by the FEMA, on which both the Special Flood Hazard Areas and the risk premium zones applicable to the county are delineated. These areas are incorporated within the official Zoning Atlas for Orange County as the Special Flood Hazard Area Overlay District.