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01/26/2015 <br /> C. Elevation and Floodproofing. (See Article II, definitions for "basement," "lowest <br /> floor," "new construction," and "substantial improvement.") <br /> 1. Residential construction, new or substantial improvement, shall have the <br /> lowest floor, including basement: <br /> a. In an A zone, elevated to or above the base flood elevation, or <br /> said base flood elevation may be determined by the method in <br /> Section 41.15(B) of this Chapter, <br /> b. In all other zones, elevated to or above the base flood elevation. <br /> Upon completion of the structure, the elevation of the lowest floor including basement <br /> shall be certified by a registered professional engineer or surveyor, and verified by the <br /> City's Building Inspector to be properly elevated. Such certification and verification shall <br /> be provided to the Floodplain Administrator. <br /> 2. Nonresidential construction, new or substantial improvement, shall either <br /> be elevated to conform to subsection (C) (1) of this Section or together <br /> with attendant utility and sanitary facilities; or: <br /> a. Be floodproofed below the elevation recommended under <br /> subsection (C) (1) of this Section so that the structure is watertight <br /> with walls substantially impermeable to the passage of water, <br /> b. Have structural components capable of resisting hydrostatic and <br /> hydrodynamic loss and effects of buoyancy, and <br /> c. Be certified by a registered professional engineer or architect that <br /> the standards of subsection (C) (2) of this Section are satisfied. <br /> Such certification shall be provided to the Floodplain Administrator. <br /> 3. All new construction and substantial improvement with fully enclosed areas <br /> below the lowest floor (excluding basements) that are usable solely for <br /> parking of vehicles, building access or storage, and which are subject to <br /> flooding, shall be designed to automatically equalize hydrostatic flood <br /> forces on exterior walls by allowing for the entry and exit of floodwater. <br /> Designs for meeting this requirement must meet or exceed the following <br /> minimum criteria: <br /> a. For non-enqineered openings: <br /> 1. Have a minimum of finro (2) openings having a total net <br /> area of not less than one square inch for every square <br /> foot of enclosed area subject to floodingi <br /> 2. The bottom of all openings shall be no higher than one <br /> foot above gradei <br /> ATTY/ORD.407/FLOODPLAIN MANAGEMENT ORDINANCE ORD.#2410 <br /> REV:12-16-14 VR FORMERLY MUFF#506 <br /> Page 5 of 10 <br />