Nothing herein shall prevent the continued use and substantial restoration and continued use of a nonconforming building or structure. Any nonconforming building or structure damaged or destroyed by fire, flood, earthquake, act of God, or act of the public enemy may be repaired, restored or reconstructed, provided that:
Such repair, restoration or reconstruction is located on, and no larger than, the footprint of the structure prior to its damage or destruction; and
Such repair, restoration or reconstruction is completed within one year of the damage; and
The use of the building and the manner in which it was used prior to the loss is recommenced within one year of the damage.