Every house sewer from a point two feet outside the house to the street or alley shall be of standard vitrified clay sewer pipe not less than four inches in diameter unless laid less than 12 inches deep, in which event it shall be of standard cast iron sewer pipe or PVC schedule 40 not less than four inches in diameter. Each house or building must have a separate house sewer connecting the house or building directly with the city sewer system. When a house or building is constructed as a two- or more family unit, the sewer pipe shall be not less than six inches in diameter.
(1998 Code, § 122-37) Penalty, see § 51.99