Prior to adopting any such rule, regulation, or standard, the Board shall conduct a duly noticed hearing thereon. At the time set for such hearing, or at any adjournment thereof, the Board shall proceed to hear any relevant evidence relating to the matter. Thereafter, the Board, by resolution, may adopt, amend, or modify such rules and regulations. (§ 1, Ord. 961, eff. October 27, 1983)