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ORDINANCE 2012-036 a. For development activities proposed to be located in a regulatory floodway, a floodway encroachment analysis that demonstrates that the encroachment of the proposed development 'will not cause any increase in base flood elevations. Where the applicant proposes to undertake development activities that do increase base flood elevations, the applicant shall submit such analysis to FEMA as specified in Section 930.07(2)(a)4. of these floodplain regulations and shall submit the Conditional Letter of Map Revision, if issued by FEMA, with the site plan and construction documents. b. For development activities proposed to be located in a riverine flood hazard area for which base flood elevations are included in the Flood Insurance Study or on the FIRM and floodways have not been designated, a floodway encroachment analysis which demonstrates that the cumulative effect of the proposed development, when combined with all other existing and anticipated flood hazard area encroachments, will not increase the base flood elevation more than one 1) foot at any point within the community. This requirement does not apply in isolated flood hazard areas not connected to a riverine flood hazard area or in flood hazard areas identified as Zone AO or Zone AH. c. For alteration of a watercourse, an engineering analysis prepared in accordance with standard engineering�practices which demonstrates that the flood -carrying capacity of the altered or relocated portion of the watercourse will not be decreased, and certification that the altered watercourse shall be maintained in a manner which preserves the channel's flood-carrng capacity, the applicant shall submit the analysis to FEMA as specified in Section 930.07(2)(a)4. of these floodplain regulations. d. For activities that propose to alter sand dunes or mangrove stands in coastal high hazard areas (Zone V), an engineering analysis that demonstrates that the proposed alteration will not increase the potential for flood damage. e. Copies of analyses and correspondence submitted to FEMA shall be provided to the Floodplain Administrator. 4. Submission of additional data. When additional hydrologic, hydraulic or other engineering data studies, and additional analyses are submitted to support an application the applicant has the right to seek a Letter of Map Change from FEMA to change the base flood elevations, change floodway boundaries or change boundaries of flood hazard areas shown on FIRMS, and to submit such data to FEMA for such purposes. The analyses shall be prepared by a Florida licensed engineer in a format required by FEMA. Underline: Additions to Ordinance Strike thF@u&. Deleted Text from Existing Ordinance 28 C:\Documents and Settings\tlister\Desktop\Revised IRC Flood Protect Ord final 10-26-12.rtf