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17-3 drilling_operations; and the storage, deposition or determination of the local flood hazard areas. It extraction of materials, public or private sewage provides maps designating those areas affected by disposal systems or water supply facilities. ,the regional flood and provides both flood (11) DRYLAND ACCESS: A vehicular access insurance rate zones and regional flood elevations • route which is above the regional flood elevation and may provide floodway lines. The flood hazard and which connects land located in the floodplain areas are designated as. numbered• and to land outside the floodplain, such as a road with unnumbered A-Zones. Flood insurance study its surface above regional flood elevation and wide maps form the basis for both the regulatory and the enough for wheeled rescue and relief vehicles. insurance aspects of the National Flood Insurance (12) ENCROACHMENT: Any fill, structure, Program. building, use or development in the floodway. (21) FLOODPLAIN:That land which has been or (13) EXISTING MOBILE HOME PARK OR may be hereafter covered by floodwater during the . SUBDIVISION: A parcel or contiguous parcels of regional flood. The floodplain includes the land divided into two or more mobile home lots floodway and the floodfringe and may include for rent. or sale on which the construction of other designated floodplain areas for regulatory facilities for 'servicing the lots, including, at a purposes. minimum, the installation of utilities, either final (22) FLOODPLAIN ISLAND: A natural geologic site grading or the pouring of concrete pads, and land formation within the floodplain that is the construction of streets, is completed before the surrounded, but not covered, by floodwater during effective date of this ordinance: the regional flood. (14) EXPANSION TO EXISTING MOBILE HOME (23) (reserved for future use.] PARK: The preparation of additional sites by the (24) FLOOD PROFILE: A graph or a longitudinal construction.of facilities for servicing the lots on profile line showing the relationship of the water which the mobile homes are to be placed. This surface elevation of a flood event to locations of includes installation of utilities, either final site land surface elevations along a stream or river. grading, pouring pads, or construction of streets. (25) - FLOODPROOFING: Any combination of (15) ' FEMA'The Federal Emergency Management structural provisions, changes or adjustments to Agency, the federal agency that administers the properties and structures, water and sanitary National Flood Insurance' Program. This agency facilities and contents' of buildings subject to was previously' known as the Federal Insurance ' flooding, for the purpose of reducing or eliminating Administration (FIA), or Department of' Housing flood damage. , and Urban Development(HUD).. (26) FLOOD PROTECTION ELEVATION: An (16) FLOOD or FLOODING: A' general and- elevation two feet of freeboard above the water temporary condition of partial or , complete surface profile elevation designated for the regional inundation,of normally dry land areas caused by .flood.' (a) The overflow or rise of inland waters; (27) FLOOD STORAGE: Those floodplain areas (b) The rapid accumulation or runoff of surface where storage of floodwaters has been taken into waters from any source; or `, account during analysis in reducing the regional (c) The sudden ' .increase caused by an flood discharge. unusually high water level in a natural body of (28) FLOODWAY: The channel of a river or water, accompanied by a severe storm, or by an stream and those portions of the floodplain unanticipated force of nature, such as a seiche, or adjoining the channel required to carry the by some similarly unusual event. . regional flood discharge. - (17) (reserved for future use.] ' . ' (29) FREEBOARD: A flood protection elevation (18) FLOODFRINGE: That _ portion of the requirement designed as a safety factor which is floodplain outside of the floodway which is usually expressed in terms of a specified number of covered by floodwaters during the regional flood' feet above a calculated flood level. Freeboard and generally associated with standing water rather compensates for the effects of any factors that than flowing water. contribute to flood heights greater than. those (19) (reserved for future use.) calculated. These factors include, but are not (20) FLOOD INSURANCE STUDY: A technical limited to, ice jams, debris accumulation, wave engineering` examination, evaluation and action, obstruction of bridge openings and ° See also freeboard at s. 17.05(29). rev. 043095 -