The owner, lessee or other person legally in possession of a historic structure in the downtown area shall comply with all applicable codes, laws and regulations governing the maintenance of property. Additionally, it is the intent of this section to preserve from deliberate or inadvertent neglect the exterior features of buildings designated as significant or contributory in the downtown area, and the interior portions thereof when such maintenance is necessary to prevent deterioration and decay of the exterior. All such buildings shall be preserved against such decay and deterioration, and shall remain free from structural defects through prompt corrections of any of the following defects:
(a) Facades which may fall and injure members of the public or property;
(b) Deteriorated or inadequate foundation, defective or deteriorated flooring or floor supports, deteriorated walls or other vertical structural supports;
(c) Members of ceilings, roofs, ceiling and roof supports or other horizontal members which sag, split or buckle due to defective material or deterioration;
(d) Deteriorated or ineffective waterproofing of exterior walls, roofs, foundations or floors, including broken windows or doors;
(e) Defective or insufficient weather protection for exterior wall covering, including lack of paint or other protective covering;
(f) Any fault or defect in the building which renders it not properly watertight or structurally unsafe.
(Ord. 3721 § 1 (part), 1986)