Nonconforming Structures. Where a lawful structure (includes buildings) exists at the effective date of this Chapter that could not be built under the terms of this Chapter by reason of restrictions on area, lot coverage, height, yards, or other characteristic of the structure, such structure may be continued so long as it remains otherwise lawful, subject to the following provisions:
(1)
Increase in Nonconformity Prohibited. No such structure may be enlarged or altered in any way which increases its non-conformity.
(2)
Movement of Structure. Should such structure be moved for any reason for any distance it shall thereafter conform to the regulations for the district in which it is located after it is moved.
(3)
Effect of Destruction. Should such structure be destroyed by any means to an extent of more than fifty percent of its replacement cost at the time of destruction, it shall not be reconstructed except in conformity with provisions of this Chapter.