22-19 - Amend Chapter 1308 flood damage prevention following FEMA flood zone update - ordinance

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Revision from FEMA for any development proposal subject to subsec- tion (k)(1)A of this section. (2) Right to Submit New Technical Data. The Floodplain Administra- tor may request changes to any of the information shown on an effective map that does not impact floodplain or floodway delineations or base flood elevations, such as labeling or planimetric details. Such a submis- sion shall include appropriate supporting documentation made in writing by the Mayor of Lakewood, and may be submitted at any time. (3) Annexation / Detachment. Upon occurrence, the Floodplain Ad- ministrator shall notify FEMA in writing whenever the boundaries of the City have been modified by annexation or the City has assumed authority over an area, or no longer has authority to adopt and enforce floodplain management regulations for a particular area. In order that the City's Flood Insurance Rate Map accurately represent the City boundaries, in- clude within such notification a copy of a map of the City suitable for reproduction, clearly showing the new corporate limits or the new area for which the City has assumed or relinquished floodplain management regulatory authority. (1) Data Use and Flood Map Interpretation. The following guidelines shall apply to the use and interpretation of maps and other data showing areas of special flood hazard: (1) In areas where FEMA has not identified special flood hazard areas, or in FEMA identified special flood hazard areas where base flood ele- vation and floodway data have not been identified, the Floodplain Ad- ministrator shall review and reasonably utilize any other flood hazard data available from a federal, state, or other source. (2) Base flood elevations and floodway boundaries produced on FEMA flood maps and studies shall take precedence over base flood el- evations and floodway boundaries by any other source that reflect a re- duced floodway width and /or lower base flood elevations. Other sources of data, showing increased base flood elevations and /or larger floodway areas than are shown on FEMA flood maps and studies, shall be reason- ably used by the Floodplain Administrator. (3) The Floodplain Administrator shall make interpretations, where needed, as to the exact location of the flood boundaries and areas of spe- cial flood hazard. A person contesting the determination of the location of the boundary shall be given a reasonable opportunity to appeal the interpretation as provided in Section 1308.05. (4) Where an existing or proposed structure or other development is affected by multiple flood zones, by multiple base flood elevations, or both, the development activity must comply with the provisions of this ordinance applicable to the most restrictive flood zone and the highest base flood elevation affecting any part of the existing or proposed struc- ture; or for other developments, affecting any part of the area of the de- velopment. (m) Use of Preliminary Flood Insurance Rate Map and /or Flood Insur- ance Study Data. (1) Zone A: A. Within Zone A areas designated on an effective FIRM, data from the preliminary FIRM and/or FIS shall reasonably utilized as best avail- able data. B. When all appeals have been resolved and a notice of final food ele- vation determination has been provided in a Letter of Final Determina- tion (LFD), BFE and floodway data from the preliminary FIRM and/or FIS shall be used for regulating development. (2) Zones AE, Al -30, AII, AO, VE, and V 1 -30: 33