13.12-4.060 Standards for areas where no base flood elevations are determined (A zones).

Located within the areas of special flood hazard established in Section 13.12-1.040, are areas designated without Base Flood Elevations. The following provisions shall apply within such areas.
A. All new construction and substantial improvements of residential structures shall have the lowest floor elevation at least three feet above the highest adjacent grade.
B. All new construction and substantial improvements of non-residential structures shall:
1. Have the lowest floor elevated to at least three feet above the highest adjacent grade; or
2. Be completely floodproofed together with attendant utility and sanitary facilities to or above that level so that any space below that level is watertight with walls substantially impermeable to the passage of water and with structural components having the capability of resisting hydrostatic and hydrodynamic loads and effect of buoyancy. (Ord. 01-O-06 § 1(part), 2001)