(B) Any structural alteration or addition to a nonconforming structure or nonconforming use which would result in increasing the flood damage potential of that structure or use shall be protected to the regulatory flood protection elevation in accordance with any of the elevation on fill or flood proofings techniques (i.e., FP-1 thru FP-4 flood proofing classifications) allowable in the State Building Code, except as further restricted in this chapter.
(C) If a substantial improvement occurs, as defined in § 154.002(I) of this chapter, from any combination of a building addition to the outside dimensions of the existing building or a rehabilitation, reconstruction, alteration, or other improvement to the inside dimensions of an existing nonconforming building, then the building addition and the existing nonconforming building must meet the requirements of §§ 154.004 or 154.005 of this chapter for new structures, depending upon whether the structure is in the Floodway or Flood Fringe District, respectively.
(Ord. 597, passed 7-12-2010) Penalty, see § 154.999