1331.29 NONRESIDENTIAL STRUCTURES.
   (a)    New construction and substantial improvement of any commercial, industrial or other nonresidential structure shall meet the requirements of Section 1331.28(a) - (c) and (e) - (g).
   (b)   New construction and substantial improvement of any commercial, industrial or other non-residential structure shall either have the lowest floor, including basement, elevated to or above the level of the flood protection elevation; or, together with attendant utility and sanitary facilities, shall meet all of the following standards:
      (1)   Be dry floodproofed so that the structure is watertight with walls substantially impermeable to the passage of water to the level of the flood protection elevation;
      (2)   Have structural components capable of resisting hydrostatic and hydrodynamic loads and effects of buoyancy; and,
      (3)    Be certified by a registered professional engineer or architect, through the use of a Federal Emergency Management Agency Floodproofing Certificate, that the design and methods of construction are in accordance with Section 1331.29(b)(1) and (2).
   (c)    In Zone A areas with no elevations specified, the structure shall have the lowest floor, including basement, elevated at least two feet above the highest adjacent natural grade.
(Ord. 2004-20. Passed 12-21-04.)