In order that the sewers of the public sewer system may be fully protected against improper use and injury, the Superintendent of Sewers shall have the free and unobstructed access to any part of any premises where house sanitary connections to be connected directly or indirectly to the public sewer system or house storm drains have been constructed for the purpose of examining the construction, condition and usage of the same, at any time of the day between the hours of seven o'clock (7:00) A.M. and six o'clock (6:00) P.M. during construction or any time thereafter, and any owner, occupant or other person refusing to allow said Superintendent of Sewers access to the premises for said purpose, shall be guilty of a misdemeanor and shall be fined, as provided under the penalties of this Chapter.