(A) New construction or substantial improvement of any commercial, industrial or nonresidential structure located in Zone A1-30, AE and AH shall have the lowest floor, including basement, elevated at least to one foot above the level of the base flood elevation.
(B) Nonresidential structures located in all A zones may be floodproofed in lieu of being elevated provided that together with all attendant utilities and sanitary facilities the areas of the structure below the elevation which is one foot above the base flood elevation are water tight with walls substantially impermeable to the passage of water, and use structural components having the capability of resisting hydrostatic and hydrodynamic loads and the effects of buoyancy. A registered professional engineer or architect shall review and/or develop structural design specifications and plans for the construction, and shall certify that the design and methods of construction are in accordance with acceptable standards of practice for meeting the provisions of this subsection. The certification shall be provided to the Town Planning and Zoning Commission as set forth in § 152.053(F).
(Ord. passed 4-11-1991; Ord. passed 5-10-2010)