08-23-2004 Council Packet - Laserfiche WebLink

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b.Any mechanical and utility equipment in a stmcture must be elevated to or above the regulatory flood protection elevation or properly flood proofed; and c. To allow for the equalization of hydrostatic pressure, there must be a minimum of two "automatic" openings in the outside walls of the structure having a total net area of not less than one square inch for every square foot of enclosed area subject to flooding. There must be openings on at least two sides of the strucnire and the bottom of all openings must be no higher than one foot above the lowest adjacent grade to the structure. Using human intervention to open a garage door prior to flooding will not satisfy this requirement for automatic openings. (f) Storage of Materials and Equipment. 1. The storage or processing of materials that are, in time of flooding, flammable, explosive, or potentially injurious to human, animal, or plant life is prohibited. 2. Storage of other materials or equipment may be allowed if readily removable from the area within the time available after a flood warning and in accordance with a plan approved by the City Council. (g) Flood Control. Structural works for flood control that will change the course, current or cross section of protected wetlands or public waters shall be subject to the provisions of Minnesota Statute, Chapter 103G. Community-wide structural works for flood control intended to remove areas from the regulatory flood plain shall not be allowed in the floodway. (h) A levee, dike or floodwall constructed in the floodway shall not cause an increase to the 100- year or regional flood and the technical analysis must assume equal conveyance or storage loss on both sides of a stream. DfV'ISION 5. FLOOD FRINGE DISTRICT (FF) Sec. 78-1118 Permitted Uses (a) The uses listed in Section 78-1 1 14 of this Ordinance shall be permitted uses. (b) All other permitted uses shall be those uses of land or structures listed as permitted uses in the underlying zoning use district(s). If no pre-existing, underlying zoning use districts exist, then any residential or non residential structure or use of a structure or land shall be a permitted use in the Flood Fringe District provided such use docs not constitute a public nuisance. All permitted uses shall comply with the standards for Flood Fringe District “Permitted Uses” listed in Section 78-1119 and the "Standards for all Flood Fringe Uses" listed in Section 78-1122. Sec. 78-1119 Standards for Flood Fringe Permitted Uses (a) All structures, including accessory structures, must be elevated on fill so that the lowest floor including basement floor is at or above the regulatory flood protection elevation. The finished fill elevation for structures shall be no lower than one (1) foot below the regulatory flood protection elevation and the fill i Distria-t h!ap, UJ/2004 revision -9-