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construction or substantial improvement of any <br /> commercial, industrial, or non-residential <br /> structure shell here the Iowsst floor, <br /> Including busement elevated no lower than 2 <br /> feet above the level of the base flood <br /> elevation. Structures Ioceted in ali A-zones <br /> may be flood proofed in lieu of being elevated <br /> provided that all areas of the structure below <br /> the required elevation are water tight with <br /> walls substantially impermeable to the passage <br /> of water, and use structural components having <br /> capability of resisting hydrostatic and <br /> hydrodynamic loads and the and the effect of <br /> buoyancy. A registered profeaaional engineer <br /> or architect shall certify that the standards <br /> of this subsection are satisfied. Such <br /> certification shall be provided to the <br /> official aa set forth in Article 4, Section B <br /> (33. <br />3. Elevated Buildings. New construction or <br /> aubstantial improvements of elevated buildings <br /> that include fully enclosed areas formed by <br /> foundation and other exterior wails below the <br /> base flood elevation shall be designed to <br /> preclude finished living space end designed to <br /> allow for the entry and exit of floodwaters to <br /> automatically equalize hydrostatic flood <br /> forces on exterior walls. <br /> <br /> a. Designs for complying with this <br /> requirement must either be certified by e <br /> professional engineer or architect or meet <br /> the following minimum criteria: <br /> <br /> t. Provide a minimum of two openings <br /> having a total net area o! not less <br /> than one square inch for every square <br /> foot of enclosed area subject to <br /> flooding; <br /> 2. The bottom of all openings shall be no <br /> higher then one foot above grade: and, <br /> 3. Openings may be equipped with screens, <br /> louvers, valves or other coverings or <br /> devices provided they permit the <br /> automatic flow of floodwaters in both <br /> directions. <br /> <br /> b. Electrics), plumbing, and other utility <br /> connections are prohibited below the base <br /> flood elevation; <br /> c. Access to the enclosed area shall be the <br /> minimum necessary to allow for parking of <br /> vehicles or limited storage of maintenance <br /> equipment used in connection with the <br /> <br /> 12 <br /> <br /> <br />