All roof and wall appurtenances, such as ducts and vents, all mechanical equipment, electrical boxes, meters, pipes, transformers, air conditioners, and all other equipment on the roof or walls of any building shall be completely screened from view with materials compatible with the main buildings on the subject property. Such equipment shall be constructed in such a manner that noise emanating from them shall not be discernible beyond the property lines of the subject property.
('61 Code, § 10-3-9.107) (Ord. 392 C.S., passed 3-29-82; Am. Ord. 511 C.S., passed 12-21-89)