11-1-5-3: STANDARDS FOR FLOODPLAINS WITHOUT ESTABLISHED BASE FLOOD ELEVATIONS:

Within the Special Flood Hazard Areas designated as Zone A (also known as Unnumbered A Zones) and established in section 11-1-3-2, where no Base Flood Elevation (BFE) data has been provided by FEMA, the following provisions, in addition to the provisions of section 11-1-5-1, shall apply:

   A.   No encroachments, including fill, new construction, substantial improvements, or new development shall be permitted, unless a determination of the Base Flood Elevation (BFE) is provided.

   B.   The BFE used in determining the Flood Protection Elevation (FPE) shall be determined based on the following criteria:

      1.   When Base Flood Elevation (BFE) data is available from other sources, all new construction and substantial improvements within such areas shall also comply with all applicable provisions of this chapter and shall be elevated or floodproofed in accordance with standards in sections 11-1-5-1 and 11-1-5-2.

      2.   When floodway or flood fringe data is available from a Federal, State, or other source, all new construction and substantial improvements within floodway and flood fringe areas shall also comply with the requirements of sections 11-1-5-2 and 11-1-5-5.

      3.   All subdivision, manufactured home park, and other development proposals shall provide Base Flood Elevation (BFE) data if development is greater than five (5) acres or has more than fifty (50) lots/manufactured home sites. Such Base Flood Elevation (BFE) data shall be adopted by reference in accordance with section 11-1-3-2 and utilized in implementing this chapter. The applicant/developer shall submit an application for a Conditional Letter of Map Revision (CLOMR) prior to Preliminary Plat approval and have obtained a Letter of Map Revision (LOMR) prior to any building permits for structures being issued. See FEMA 480 and/or FEMA 265 for further information.

      4.   When Base Flood Elevation (BFE) data is not available from a Federal, State, or other source as outlined above, the reference level shall be elevated or floodproofed (non-residential) to or above the Flood Protection Elevation, as defined in section 11-1-2. All other applicable provisions of section 11-1-5-2 shall also apply. (Ord. 249, 8-17-2016)