8-1B-5: NONCONFORMING STRUCTURE:
   A.   Nonconforming structures may be enlarged or modified, provided that the additions or modifications to the structure conform to the requirements of this title.
   B.   A nonconforming structure that is damaged more than seventy five percent (75%) of its current assessed taxable value by fire, flood, explosion, wind, earthquake, war, riot, calamity, or other catastrophic event, shall comply with this title upon restoration or reconstruction. If the damage to the nonconforming structure is seventy five percent (75%) or less of the current assessed taxable value, the structure may be restored or reconstructed, provided that restoration or reconstruction commences within twelve (12) months of the event.
   C.   Structures listed on the national register of historic places shall be exempt from the regulations of this section. (Ord. 389, 6-14-2000)