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C. The Conditional Use shall be permissible in the <br />underlying zoning district. <br /> <br />D. Fill. <br /> <br /> i. Fill, dredge spoil and all other similar <br />materials deposited or stored in the floodplain shall <br />be protected from erosion by vegetative cover, <br />mulching, riprap or other acceptable method. <br /> <br /> ii. Dredge spoil sites and sand and gravel <br />operations shall not be allowed in the floodway unless <br />a long-term site development plan is submitted which <br />includes an erosion/sedimentation prevention element <br />to the plan. <br /> <br /> iii. As an alternative, and consistent with <br />Subsection ii immediately above, dredge spoil disposal <br />and sand and gravel operations may allow temporary, <br />on-site storage of fill or other materials which would <br />have caused an increase to the stage of the 100-year <br />or regional flood but only after the City Council has <br />received an appropriate plan which assures the removal <br />of the materials from the floodway based upon the <br />flood warning time available. The Conditional Use <br />Permit shall be recorded in the Office of the County <br />Recorder. <br /> <br />E. Accessory Structures. <br /> <br /> i. Accessory structures shall not be designed <br />or permitted for human habitation. <br /> <br /> ii. Accessory structures, if permitted, shall be <br />constructed and placed on the building site so as to <br />offer the minimum obstruction to the flow of flood <br />waters. (1) Whenever possible, structures shall be <br />constructed with the longitudinal axis parallel to the <br />direction of flood flow, and, (2) So far as <br />practicable, structures shall be placed approximately <br /> on the same flood flow lines as those of <br />adjoining structures. <br /> <br /> iii. Accessory structures shall be elevated on <br />fill or structural dry flood proofed in accordance <br />with the FP-1 or FP-2 flood proofing classifications <br />in the State Building Code. As an alternative, an <br />accessory structure may be flood proofed to the FP-3 <br />or FP-4 flood proofing classification in the State <br />Building Code provided the accessory structure <br />constitutes a minimal investment, does not exceed <br />five-hundred (500) square feet in size, and for a <br /> <br />9.161 <br /> <br /> <br />