Nonconforming Buildings. A nonconforming building wholly or partially destroyed by fire, explosion, flood or other casualty or legally condemned, or found to be deteriorated to the extent of requiring replacing, may be reconstructed provided that:

Nonconforming Use. A nonconforming use which is interrupted by fire, flood, explosion, condemnation or building replacement must be restored within one year from its cessation or be considered abandoned as in subsection 12-8.2.