Nonresidential structures (Coastal High Hazard Areas and Coastal A Zones).

In Zones VI-V30, VE, V, and Coastal A if base flood elevations are available, new construction and substantial improvements of any nonresidential structure, together with attendant utility and sanitary facilities, shall have the bottom of lowest member of the lowest floor elevated to or above two feet above the base flood elevation. Floodproofing of structures is not an allowable alternative to elevating the lowest floor to two feet above the base flood elevation in Zones V1-V30, VE, V, and Coastal A.