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(c) Flood Fringe District. The flood fringe district shall include those areas designated as floodway fringe, those areas designated as zone AE on the Flood Insurance Rate Map adopted in Section 30 -1867 but being located outside of the floodway, and those Zone A areas adjacent to West Twin Lake above the ordinary high -water level of 927.1 (National Geodetic Vertical Datum, 1929 Adjustment) and at or below the regional flood elevation of 929.1 (National Geodetic Vertical Datum, 1929 Adjustment). ((I) Applicability of other zoning regulations. The zoning districts as designated on the zoning map of the cite shall remain unchanged with the adoption of this division. The provisions of this division, including the designation of floodplain areas, shall be in addition to all other provisions of this article. \Vhenever conflicts occur between other provisions of this article and provisions of this division, the most restrictive provisions shall apply. Section 17. That Section 30 -1912 (c) of the City of Elk River Code of Ordinances, titled Floodway district, Conditional Uses generally shall be amended to insert subsection c as follows: (c) Conditional uses generally. The following open space uses which require only accessory structures (temporary or permanent) or fill or storage of materials or equipment may be permitted in the floodway district only upon application to the Land Development Staff and the issuance of a conditional use permit by the City Council as provided in Section 30 -1914. "These uses are also subject to the provisions of subsection (d) of this section, which applies to all floodway conditional uses: Section 18. That Section 30 -1912 (c) of the City of Elk River Code of Ordinances, titled Floodway district, Conditional Uses, to replace subsections 6 and 7 as follows: (6) Placement of fill or construction of fences. (7) Recreational vehicles either on individual lots of record or in existing or new subdivisions or commercial or condominium type campgrounds, subject to the exemptions and provisions of Section 30- 1935(c). Section 19. That Section 30 -1912 (d) of the City of Elk River Code of Ordinances, titled Floodway district, additional standards for conditional uses, to replace subsection 4 as follows: (4) Placement or storage of fill or similar material. Section 20. That Section 30 -1912 (d) of the City of Elk River Code of Ordinances, titled Accessory structures, to replace subsection 5 c to read as follows: 1. The structure must be adequately anchored to prevent flotation, collapse or lateral movement of the structure and shall be designed to equalize hydrostatic flood forces on exterior walls 2. Any mechanical and utility equipment in a structure must be elevated to or above the regulatory flood protection elevation or properly flood proofed; and 3. 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 structure 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.