Any person subject to this chapter shall at all times operate his plant in a strictly sanitary manner and in accordance with the provisions of this code and other ordinances of the city now in effect or which may hereafter be passed, and the rules of the state board of health, and he shall be subject to the supervision of the committees on public buildings and grounds and public safety of the city council; nothing herein shall be deemed to conflict with the laws of the state or of the United States. (Rev. Ord. 1540, Comp. 1941, p. L-4)