(a) It is unlawful to discharge firearms or explosives or to make any loud noises within 500 feet from the nearest point of any main hospital building with a capacity for treating not less than 36 patients.
(b) It is unlawful to conduct, operate, maintain, or carry on within 500 feet from any such main hospital building any noisy or noisome workshop, factory, trade, manufacture, industry, or business; provided that this provision shall not apply to any such workshop, factory, trade, manufacture, industry, or business in existence at the time of the erection of such hospital building or of an extension to a hospital building.
(c) It is unlawful for any person, in passing any hospital building of the character and capacity described, to drive or operate any vehicle in such manner as to make or create any unnecessary noise.
(Sec. 13-12.1, R.O. 1978 (1983 Ed.)) (1990 Code, Ch. 41, Art. 5, § 41-5.1)