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ORDINANCE NO. 2003- 006 One or more elevation benchmarks must be established and indicated on the plat. Said elevations must be referenced to the NGVD (1929) and shall be calculated to within 0.1 feet. All prospective agreements for deed, purchase agreements, leases or other contracts for sale or exchange of lots within the flood hazard zone and all prospective instruments conveying title to lots within the flood hazard zone must carry the following flood hazard warning prominently displayed on the document: "This property may be subject to flooding during a 100 year base flood event. You should contact local building and zoning officials and obtain the latest information regarding flood elevations and restrictions on development before making plans for the use of this property." 4. The following information shall be included on the final plat: boundaries of flood zones; base flood elevations; the date and panel number of the applicable current flood insurance rate map; and a notation, if applicable, that a letter of map revision had been applied for prior to final plat approval, but has not yet been granted. (i) All roads shall be set at or above the ten year flood elevation, but in no case shall a road be constructed at an elevation below five (5) feet above sea level. All roads shall be designed to maintain drainage flow beneath the road bed so that equalization may occur. (j) If the development project is in a critical flood zone, it must be demonstrated, in addition to compliance with section 930.07(2), that: 2. There is no significant threat of releasing quantities of pollutants which have the effect of degrading water quality below standards established in Florida Administrative Code Chapter 17-3, as amended from time to time, to surface or groundwater during the base flood. The capacity of the critical flood zone to store and convey surface waters or perform other significant water management functions will not be impaired. (k) Any project proposal that will alter the boundaries of a regulatory floodway, the configuration of the watercourse contained within a regulatory floodway, or an area of special flood hazard as shown on FEMA flood insurance rate maps, shall be subject to the following conditions of approval: If the project proposes to alter the boundaries of a regulatory floodway or the configuration of the watercourse contained within the floodway, the applicant shall submit proposed grading and drainage plans, stormwater management plans, floodplain studies, and all supporting computer modelling to the FEMA Region 10 Coding: Words in stFi ,through are deletions from existing law. Words underlined are additions. \\Fileserver\Public\Community Development\Users\ROLAND\Miscellaneous\LDR\930.07 mech equip freeboard\930.07 LDR amd 01 1603.130C