(a) If any sign is abandoned for a period of at least six consecutive months in any 18 month period, such sign shall be presumed to be a nuisance affecting or endangering surrounding property values and to be detrimental to the public health, safety and general welfare of the community and shall be abated.
(b) Such abandoned sign shall be abated within 60 days of notification by the Zoning Administrator either by:
(1) Removing the sign in question. Removal includes the total disassembly of the sign structure, including the base, to the grade on which the sign was erected. Any sign not removed within the specified 60 day time period may be removed by the City at the property owner's expense and assessed to that property owner on the next County Property Tax statement
(2) Altering the sign and its structure so that it conforms to the regulations and provisions of this Zoning Code.
(c) The failure, neglect or refusal of any owner to comply with these regulations will constitute a violation of this Zoning Code.