(A) Pool rooms shall be located on the ground floor, and no screen obstructions of any kind shall be allowed.
(B) No minor under 18 years of age shall be allowed to play therein, except in private homes or clubs where such games are played for social purposes only and without charge thereof.
(C) Pool halls shall close from 11:00 p.m. to 6:00 a.m. on weekdays and all day on Sunday.