In order to prevent excessive damage to structures, all new construction and substantial improvements to existing structures in the Floodplain District must comply with:the regulations and restrictions of this subtitle; and except as otherwise provided in this Division I, the design and construction standards of:ASCE 24 {“Flood Resistant Design and Construction”}; and ASCE 7 {“Minimum Design Loads for Buildings and Other Structures”}, Chapter 5 {“Flood Loads”}. Where flood elevation data are used, the applicant must provide to the Planning Department:floodproofing elevations for all new construction and all substantial improvements to an existing structure; and corresponding elevation certificates. If a proposed structure or substantial improvement is sited in 2 different subdistricts or in a subdistrict with 2 different flood elevations, the most restrictive regulation or higher flood elevation prevails. For the purpose of applying appropriate requirements, structures are classified according to ASCE 24, Table 1-1 {“Classification of Structures for flood Resistant Design and Construction”}. City Code, 1976/83, art. 7, §5(intro) 2000, art. §3-1 Ord. 88-188 Ord. 11-516 Ord. 14-208 Ord. 21-020