§ 18-63. Nonconforming uses.

(a)

Generally. This article shall not be construed to require the removal, lowering or other change or alteration of any structure or tree not conforming to this article as of the effective date of the ordinance from which this article derives or otherwise interfere with the continuance of any nonconforming use. Nothing in this article shall require any change in the construction, alteration or intended use of any structure, the construction or alteration of which began prior to the effective date of the ordinance from which this article derives.

(b)

Marking and lighting. Notwithstanding subsection (a) 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 joint airport zoning board 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 owner.

(Code 1968, § 4-27)