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331.12 Warning and Disclaimer of Liability. The provisions of this Chapter do not imply that areas outside the flood plain districts or land uses permitted within the districts will be • free from flooding or flood damages. This Chapter shall not create liability on the part of the City or any officer or employee of the City for any flood damages that result from reliance on this Chapter or any administrative decision lawfully made under the authority of this Chapter. 331.13 Definitions. Unless specifically defined below, words or phrases used in this Chapter shall be interpreted so as to give them the same meaning as they have in common usage and so as to give this Chapter its most reasonable application. Subd. 1. Accessory Use or Structure. "Accessory Use or Structure" shall mean a use or structure on the same lot with, and of a nature customarily incidental and subordinate to, the principal use or structure. Subd. 2. Basement. "Basement' shall mean any area of a structure, including crawl spaces, having its floor or base subgrade (below ground level) on all four sides, regardless of the depth of excavation below ground level. Subd. 3. Board. `Board" shall refer to the City Council acting as the Board of Adjustment and Appeals. Subd. 4. Equal Degree of Encroachment. "Equal Degree of Encroachment' shall mean a method of determining the location of floodway boundaries so the flood plain lands on both sides of a stream are capable of conveying a proportionate share of flood flows. Subd. 5. Flood. "Flood" shall mean a temporary increase in the flow or stage of a stream or in the stage of a wetland or lake that results in the inundation of normally dry areas. Subd. 6. Flood Frequency. "Flood Frequency" shall mean the frequency for which it is expected that a specific flood stage or discharge may be equaled or exceeded. Subd. 7. Flood Fringe. "Flood Fringe" shall mean that portion of the flood plain outside of the floodway. Flood fringe is synonymous with the term "floodway fringe" used in the Flood Insurance Study for the City. Subd. 8. Flood Plain. "Flood Plain" shall mean the beds proper and the areas adjoining a wetland, lake or watercourse which have been or may be covered by the regional flood. Subd. 9. Flood -Proofing. "Flood -Proofing" shall mean a combination of structural provisions, changes, or adjustments to properties and structures subject to flooding, primarily for the reduction or elimination of flood damages. Subd. 10. Floodway. "Floodway" shall mean the bed of a wetland or lake and the channel of a watercourse and those portions of the adjoining flood plain which are reasonably required to carry or store the regional flood discharge. • Subd. 11. Obstruction. "Obstruction" shall mean any dam, wall, wharf, embankment, levee, dike, pile, abutment, projection, excavation, channel, modification, culvert, Ordinance 331 Page 3