(a) All subdivision proposals, including but not limited to a new manufactured home park or subdivision and expansion to an existing manufactured home park or subdivision shall, at a minimum:
(1) Identify the special flood hazard areas, any floodway areas, and the base flood elevations or depths within the proposed subdivision.
(2) Provide the elevation of proposed structure(s) and pads.
(3) Be consistent with the need to minimize flood damage.
(4) Have public utilities and facilities such as sewer, gas, electrical and water systems located and constructed to minimize flood damage.
(5) Provide adequate drainage to reduce exposure to flood hazards.
(b) All new construction, substantial improvements, and placement of a structure, or other development in an area of special flood hazard that will change the base flood elevation, base flood depth or floodplain boundary shall only be commenced in accordance with the following requirements:
(1) Submit a completed application for a development permit, including but not limited to plans and specifications for the project to the Floodplain Administrator;
(2) Prior to the commencement of any grading activities, obtain a Conditional Letter of Map Revision from FEMA if the project meets one of the two criteria listed below:
(i) A project within a Zone AE floodplain without an effective floodway, which would result in a BFE increase of greater than 1.00 foot, compared to the existing (pre-project) conditions, when considering the cumulative impacts of all other existing and proposed encroachments.
(ii) A project within an effective regulatory floodway that would result in any (0.00 foot) BFE increase.
(3) Prior to the issuance of a certificate of occupancy or the completion of any development for which a certificate of occupancy is not required, obtain a Letter of Map Revision from FEMA
(c) All Conditional Letters of Map Revision (CLOMR) and Letters of Map Revision (LOMR) shall incorporate and address floodplain and floodway shown on the County floodplain or alluvial fan map that either differs from, or was not previously included on, the FEMA FIRM.
(Amended by Ord. No. 9998 (N.S.), effective 9-4-09; amended by Ord. No. 10631 (N.S.), effective 11-29-19; amended by Ord. No. 10920 (N.S.), effective 11-8-24)