In addition to the other provisions of this article relative to the protection of business buildings, the building shall be further protected by compliance with the following provisions.
(a) Leaning objects against buildings. No person in custody of such business building shall permit any fishing poles, ladders or other objects to lean against the side or wall of such business building in such manner that rats could climb on and reach any part of the structure or roof.
(b) Elevator shafts, etc. The person in custody of a business building shall also protect elevator shafts, fire escapes and guy wires in such manner that rats will not be able to gain ingress into such business buildings.
(c) Adjacent trees and limbs. It shall be the duty of any person in custody of a business building to trim the branches of all trees extending over, against or near any business building, and the same shall be cut and trimmed and kept cut and trimmed so that no part of any branch or any part of such tree shall be closer than ten feet to any business building, and the tops of all trees shall be cut back ten feet from the line extending perpendicularly from any exterior wall of a business building.
(1964 Code, § 19-365)