It shall be unlawful for any person, firm or corporation keeping or conducting a bowling alley, pin or ball alley to permit the patrons of the same to make loud and boisterous noises so as to disturb the peace in the vicinity, and it shall be unlawful for any person to make or cause any noise in a bowling alley, ball or pin alley or to congregate on the sidewalk or street in front of any premises in a manner or in numbers as to obstruct foot or vehicle traffic along the street or sidewalk.
('68 Code, § 32.10(d)) Penalty, see § 112.199