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Chapter 17 servicing the lots, including, at a minimum, the (23) [reserved for future use.] installation of utilities, either final site grading or the (24) FLOOD PROFILE: A graph or a longitudinal pouring of concrete pads, and the construction of profile line showing the relationship of the water streets, is completed before the effective date of this surface elevation of a flood event to locations of land ordinance. surface elevations along a stream or river. (14) EXPANSION TO EXISTING MOBILE (25) FLOODPROOFING: Any combination of HOME PARK: The preparation of additional sites by structural provisions, changes or adjustments to the construction of facilities for servicing the lots on properties and structures, water and sanitary which the mobile homes are to be placed. This facilities and contents of buildings subject to includes installation of utilities, either final site flooding, for the purpose of reducing or eliminating grading,pouring pads,or construction of streets. flood damage. (15) FEMA: The FEDERAL EMERGENCY (26) FLOOD PROTECTION ELEVATION: An MANAGEMENT AGENCY,the federal agency that elevation two feet of freeboard above the water administers the National Flood Insurance Program. surface profile elevation designated for the regional This agency was previously known as the Federal flood.' Insurance Administration (FIA), or Department of (27) FLOOD STORAGE: Those floodplain areas Housing and Urban Development(HUD). where storage of floodwaters has been taken into (16) FLOOD or FLOODING: A general and account during analysis in reducing the regional temporary condition of partial or complete flood discharge. , inundation of normally dry land areas caused by: (28) FLOODWAY: The channel of a river or (a) The overflow or rise of inland waters; stream and those portions of the floodplain adjoining (b) The rapid accumulation or runoff of the channel required to carry the regional flood surface waters from any source;or discharge. (c) The sudden increase caused by an (29) FREEBOARD: A flood protection elevation unusually high water level in a natural body of requirement designed as a safety factor which is water, accompanied by a severe storm, or by an usually expressed in terms of a specified number of unanticipated force of nature, such as a seiche, or by feet above a calculated flood level. Freeboard some similarly unusual event. compensates for the effects of any factors that (17) [reserved for future use.] contribute to flood heights greater than those (18) FLOODFRINGE: That portion of the calculated. These factors include,but are not limited floodplain outside of the floodway which is covered to, ice jams, debris accumulation, wave action, by flood waters during the regional flood and obstruction of bridge openings and floodways, the generally associated with standing water rather than effects of urbanization on the hydrology of the flowing water. watershed, loss of flood storage areas due to (19) [reserved for future use.] development and aggregation of the river or stream (20) FLOOD INSURANCE STUDY: A technical bed. engineering examination, evaluation, and (30) General Floodplain District: Consists of all determination of the local flood hazard areas. It areas which have been or may be covered by flood provides maps designating those areas affected by water during the regional flood. It includes both the the regional flood and provides both flood insurance floodway and floodfringe districts. rate zones and regional flood elevations and may (31) [reserved for future use] provide floodway lines. The flood hazard areas are (32) HIGH FLOOD DAMAGE POTENTIAL: designated as numbered and unnumbered A-Zones. Damage that could result from flooding that includes Flood insurance study maps form the basis for both any danger to life or health or any significant the regulatory and the insurance aspects of the economic loss to a structure or building and its National Flood Insurance Program. contents. (21) FLOODPLAIN: That land which has been or (33) HISTORIC SIR UCTURE:5 Any structure that may be hereafter covered by flood water during the is: regional flood. The floodplain includes the floodway and the floodfringe, and may include other designated floodplain areas for regulatory purposes. (22) FLOODPLAIN ISLAND: A natural geologic 4See also freeboard at s. land formation within the floodplain that is 17.0 5 (29) . surrounded, but not covered, by floodwater during s Annotation:As set forth federal rule,Oct.iggo the regional flood. Page 75 I