Section 25.82.090 Nonconforming uses.

1. Regulations Not Retroactive. With the exception of those uses specifically prohibited in Section 25.82.080, the regulations set forth in this chapter shall not be construed to require the removal, lowering or other changes or alteration of any structure or tree in existence as of August 2, 1976, the effective date of this title, nor shall any change in construction, alteration or intended use of any structure be required if the construction or alteration was begun prior to the effective date of this title and is completed within one year.

2. Marking and Lighting. Notwithstanding the preceding subsection of this section, the owner of any nonconforming structure or tree is required to permit the installation, operation and maintenance thereon of such markers and lights as shall be deemed necessary by the airport manager to indicate to the operators of aircraft in the vicinity of the airport the presence of such airport hazards. Such markers and lights shall be installed, operated and maintained at the expense of the Sioux Gateway Airport. (Ord. S-30424, 1976)