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i. To be considered complete, all applications for a conditional use permit to construct a <br />permanent structure in the floodplain overlay district shall include an elevation <br />certificate, (FEMA Form 81-31) completed and certified by a registered land surveyor. <br />j. Structural works for flood control such as levees, dikes and floodwalls constructed to <br />any height may be allowed where the intent is to protect individual structures and levees <br />or dikes may be allowed where the intent is to protect agricultural crops for a frequency <br />flood event equal to or less than the 10 -year frequency flood event, provided the <br />provisions of Section 90-138 (5) (n) and (o) are satisfied. <br />k. Motor homes that are currently in the floodplain that do not meet the exemption <br />criteria specified in Section (K) (1) immediately below shall be subject to the provisions <br />of Subd. 5 of this Article for new structures): <br />(1) Exemption - Motor homes located within the City of Hugo are exempt <br />from the provisions of this Ordinance if they meet the following criteria: <br />(i) Have current licenses required for highway use. <br />(ii) Are highway ready meaning on wheels or the internal jacking <br />system, are attached to the site only by quick disconnect type utilities <br />commonly used in campgrounds and recreational vehicle parks and the <br />motor homes has no permanent structural type additions attached to it. <br />(iii) The motor homes and associated use must be permissible in any <br />pre-existing, underlying zoning use district. <br />(iv) The motor home shall have no structural additions including decks <br />(5) Floodplain use and construction standards. <br />a. All permanent structures, including accessory structures and additions to existing <br />structures, shall be constructed on fill so that the basement floor, or first floor if there is <br />no basement, is above the regulatory flood protection elevation. The finished fill <br />elevation must be no lower than one foot below the regulatory flood protection elevation <br />and shall extend at such elevation 15 feet beyond the limits of the structure constructed <br />thereon. As an alternative, alterations and additions to nonconforming structures may be <br />flood proofed in accordance with Section 90-46 of this Chapter. <br />b. As an alternative to construction on fill, low cost accessory structures (under <br />$10,000.00) may be internally floodproofed in accordance with the following standards: <br />(1) Accessory structures shall not be designed for human habitation. <br />21 <br />