No person except the Director of Public Works or a duly authorized assistant shall open or uncover any manhole, air cooler, flush tank or private connection with the public sewers without the permission of the city. Nor shall any person leave openings in sewers without ample protection against admission of dirt, rubbish or other matter tending to block the flow of sewage.
(Prior Code, § 52.017) (Ord. 926, passed 8-7-1978) Penalty, see § 52.999