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17-10 _
<br /> or any other local, state or Federal regulation and (2) ACCESSORY STRUCTURES OR USES. An
<br /> that all permits or certificates specified in s. 17.61 accessory structure or use" not connected to a
<br /> have been issued. principal structure, including nonresidential
<br /> agricultural structures, shall meet all the applicable
<br /> 17.39 STANDARDS FOR DEVELOPMEN I IN provisions of s. 17.335(1)(a), (c) and (d), and sub. --
<br /> FLOODFRINGE AREAS. (intro.) All of the (5) below. A lesser degree of protection,
<br /> provisions of s. 17.25 shall apply in addition to the compatible with these criteria and the criteria in
<br /> following requirements according to the use sub. (4) may be permissible for an accessory
<br /> requested; structure or use providing that the site is not
<br /> (1) RESIDENTIAL USES. Any structure or inundated to a depth greater than 2 feet or
<br /> building used for human habitation, including subjected to flood velocities greater than 2 feet per
<br /> mobile homes, which is to be erected, constructed, second during the regional flood.
<br /> reconstructed, altered, or moved into the (3) COMMERCIAL USES. Any commercial
<br /> floodfringe area shall meet or exceed the following structure or building which is to be erected,
<br /> standards; constructed, reconstructed, altered or moved into
<br /> (a) The elevation of the lowest floor excluding the floodfringe area shall meet the requirements of
<br /> the basement or crawlway, shall be at or above the s. 17.39(2). Storage yards, parking lots and other
<br /> flood protection elevation15 except where par. (b) is accessory structures or land uses may be at lower
<br /> applicable. The fill elevation shall be one foot or elevations, subject to the requirements of sub.(5).
<br /> more above the regional flood elevation extending However, no such area in general use by the
<br /> at least 15 feet beyond the limits of the structure. public shall be inundated to a depth greater than
<br /> The Department may authorize other floodproofing two feet or subjected to flood velocities greater -
<br /> measures where existing streets or sewer lines are than two feet per second during the regional flood.
<br /> at elevations which make compliance impractical Inundation of such yards or parking areas
<br /> provided the Board of Adjustment grants a variance exceeding two feet may be allowed provided an
<br /> due to dimensional restrictions. adequate warning system exists to protect life and
<br /> (b) The basement or crawlway floor may be property.
<br /> placed at the regional flood elevation providing it (4) MANUFACTURING AND INDUSTRIAL
<br /> is floodproofed to the flood protection elevation. USES. Any manufacturing, or industrial structure
<br /> No permit or variance shall allow any basement or or building which is to be erected, constructed,
<br /> crawlway below the regional flood elevation. reconstructed, altered or moved into the
<br /> (c) Contiguous dryland access16 shall be provided floodfringe area shall be protected to the flood ---
<br /> from a structure or building to land which is protection elevation utilizing fill, levees,
<br /> outside of the floodplain, except as provided in floodwalls, adequate flood proofing measures in
<br /> para. (d). accordance with s. 17.65, or any combination _
<br /> (d) In existing developments, where existing thereof. On streams or rivers having prolonged
<br /> streets or sewer lines are at elevations which make flood durations, greater protection may be required
<br /> compliance with par. (c) impractical, the county to minimize interference with normal plant
<br /> may permit new development and substantial operations. A lesser degree of protection,
<br /> improvements where access roads are at or below compatible with the criteria in par. (4) and(6) may
<br /> the regional flood elevation, provided: be permissible for storage yards, parking lots and
<br /> 1. The county has written assurance from,the other accessory structures or uses.
<br /> appropriate local units of police, fire and (5) STORAGE MATERIALS. The storage of
<br /> emergency services that rescue and relief will be materials that are buoyant, flammable, explosive, --
<br /> provided to the structure(s) by wheeled vehicles, or which in times of flooding, could be injurious to
<br /> considering the anticipated depth, duration and property, water quality or human, animal, plant,
<br /> velocity of the regional flood event; or fish or aquatic life, shall be at or above the flood
<br /> 2. The county's natural disaster plan been protection elevation for the particular area or
<br /> approved by both the Division of Emergency floodproofed in compliance with s. 17.65.
<br /> Government and the Department. Adequate measures shall be taken to assure that
<br /> is See s. 17.05 (26) for the definition.
<br /> 16' See s. 17.05 (11) for the definition.
<br /> 17 See s. 17.05 (2) for the definition.
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