§ 15-124. Masonry or concrete exterior wall construction, foundation and exterior wall openings.

(a)

All foundation wall ventilator openings shall be covered for their entire height and width with perforated sheet-metal plates of a thickness not less than fourteen (14) gauge, or with expanded sheet metal of a thickness not less than eighteen (18) gauge, or with iron grills or grates, or with any other material of sufficient strength and equal rat-resisting properties. The openings therein shall be small enough to prevent the ingress of rats, and in no instance shall be larger than one-half inch.

(b)

All other foundation and exterior wall openings, excluding those used for the purpose of ventilation, light, doors and windows, such as those openings around pipes, electric cables, conduits, openings due to deteriorated wall, broken masonry or concrete, shall be protected against the ingress of rats by closing such openings with cement mortar, concrete or masonry, or close-fitting sheet metal or pipe flanges of suitable size or other material with equal rat-resisting properties, which shall be securely fastened in place.

(Code 1950, § 47-15; Code 1959, § 18-51)