Whenever a nonconforming use, structure, sign or outdoor advertising structure is destroyed by fire or other calamity or by an act of God or by the public enemy, the use, structure or sign shall not be replaced, unless the cost of such reconstruction, repairing or rebuilding does not exceed 50% of the reasonable replacement value of the building immediately prior to the damage, as determined by a qualified appraiser, provided that restoration is started within three months of the act of destruction and is completed within one year from the time of the event.

Whenever a nonconforming use, structure, sign, or outdoor advertising structure is destroyed by fire, or other calamity, or by an act of God or by the public enemy to the extent that more than 50% of the value of the use, structure, sign or outdoor advertising structure is destroyed as determined by the Chief Building Official, the feature shall be voluntarily razed, shall be required by law to be razed or shall be restored to conformity with the regulations for the district in which the feature is located. A nonconforming use shall not be resumed.