A. Buildings Or Structures:
1. Continuation: A nonconforming building or structure lawfully existing at the time this title became effective may be continued, except as otherwise provided.
2. Repairs And Alterations: A nonconforming building or structure may be repaired or altered, and any building, structure, or portion thereof, declared unsafe by the building inspector of the city, may be strengthened or restored to a safe condition.
3. Change Of Use: A nonconforming use of a building or structure may be changed to a less objectionable use of a more restricted zone, but not to a use of a less restrictive zone, nor shall a nonconforming use be changed to another use of the same classification. When the use of a nonconforming building or structure is hereafter changed to a use of a more restrictive zone, such use thereafter shall not be changed to a use of a less restrictive zone.
4. Discontinuance: If a nonconforming use of any building or structure is discontinued, or its normal operation stopped for a period of one year, the use of the building or structure shall thereafter conform to a use permitted in the zone in which it is located.
5. Destruction By Calamity:
a. No building which has been damaged by fire or other causes to the extent of more than fifty percent (50%) of its replacement value shall be repaired or rebuilt, except in conformity with this title.
b. The owners of owner occupied single-family dwellings in I-2 and I-3 zones which have been damaged by fire or other causes to the extent of more than fifty percent (50%) of their replacement value may, if they desire to rebuild, appeal to the board of adjustment. The board of adjustment may grant a special exception under the terms of subsection 11-3-6B3 of this title.
6. Single-Family Residences In I-2 And I-3 Zones, Enlargement:
a. Nonconforming single-family dwellings lawfully existing in I-2 and I-3 zones at the time this title became effective may be structurally enlarged upon application by owner occupant.
b. The enclosed floor area of any structural enlargement shall not exceed fifty percent (50%) of enclosed floor area existing at the time this title became effective.
B. Land:
1. Continuation: A nonconforming use of land, where no building is involved and where such use is the principal use, lawfully existing on the effective date of this title may be continued, except as otherwise provided in this title.
2. Extension: A nonconforming use of land shall not be expanded, enlarged or extended in any way either on the same or adjoining properties.
3. Termination Or Change Of Use: Where a nonconforming use of land, or any portion thereof, is discontinued or changed, any future use of such land shall be in conformity with this title. (Ord. 80-29, 12-16-1980 as amended)