(A) Located within the special flood hazard areas established in § 152.07 are areas designated as shallow flooding areas. These areas have special flood hazards associated with base flood depths of one to three feet where a clearly defined channel does not exist and where the path of flooding is unpredictable and determinate.
(B) The following provisions shall apply within such areas.
(1) All new construction and substantial improvements of all structures shall have the lowest floor, including basement, elevated to the depth number specified on the flood insurance rate map (FIRM), in feet, above the highest adjacent grade. If no depth number is specified, the lowest floor, including basement, shall be elevated at least to the regulatory flood protection elevation as defined for the special flood hazard areas where no BFE has been established.
(2) All new construction and substantial improvements of non-residential structures shall have the option to, in lieu of elevation, be completely flood-proofed together with attendant utilities 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 effects of buoyancy. Certification is required as per §§ 152.31(C) and 152.46(B).
(Ord. passed 5-5-2003)