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ORDINANCE NS-2183 035 Sec. 7-27. Records. The executive director of planning and building safety shall: (1) Obtain the elevation (in relation to mean sea level) of the lowest floor (including basement) of all new or substantially improved structures, in the A, AO, AH, or AE zones; (2) Obtain, if the structure has been floodproofed, the elevation (in relation to mean sea level) to which the structure was floodproofed; and, (3) Maintain a record of all such information together with any certificates of floodproofing. Such record shall be maintained for public inspection and furnished upon request, for the determination of applicable flood insurance risk premium rates within the A, AO, AH, and AE zones. SECTION 10: That section 7-31 of the Santa Ana Municipal Code is hereby amended to read as follows: Sec. 7-31. AO, AH, and AE zone standards--Residential structures. Ail new construction and substantial improvements of residential structures (other than manufactured homes) in the AO, AH, or AE zones must have the lowest floor (including basement) elevated above the highest adjacent grade at least as high as the depth number specified for the AO zone, or to or above the base flood elevation specified for the AH or AE zones on the flood insurance rate maps. SECTION 11: That section 7-32 of the Santa Ana Municipal Code is hereby amended to read as follows: Seo. 7-32. Sams--Nonresidential structures. Ail new construction and substantial improvements of nonresidential structures in the AO, AH, or AE zones must either: (1) Have the lowest floor (including basement) elevated above the highest adjacent grade at least as high as the depth number specified for the AO zone, or to or above the base flood elevation specified for the AH or AE zone on the flood insurance rate maps; or, (2) Together with attendant utility and sanitary facilities, be completely floodproofed to or above that level so that 5