No license for a public dance hall or dancing school shall be issued until it shall be found that such place complies with and conforms to all ordinances and health and fire regulations of the City, that it is properly ventilated and supplied with sufficient toilet conveniences and that it is a safe and proper place for the purposes for which it is to be used. All public dance halls and dancing schools shall be kept at all times in a clean, healthful and sanitary condition, and all stairways and other passages and all rooms connected with such place shall be kept open and well lighted. The Commissioner of Public Safety or any member of the police force shall have the power, and it shall be their duty, to cause the place, hall or room where any dance or ball is held or given to be vacated whenever any provision of this chapter or of any other ordinance with regard to public dances or public halls is being violated, or whenever any indecent act shall be committed, or whenever any disorderly, violent or vulgar act shall take place therein.