(A) All plumbing fixtures, traps, and catch basins shall be of nonabsorbent materials, and of patterns subject to the regulation of the City Council and approval of the City Engineer.
(B) The part of the drain or sewer pipe to a point four feet outside of the building line of any building the drain may pass under or connect must be six-inch vitrified salt-glazed clay pipe; provided, that the building line of such building is on the street or alley line, and where the building line of such building is not on the street or alley line, the vitrified salt-glazed pipe passing inside such street or alley line may be diminished to four inches and continue so until within four feet of the line of building. All other pipes shall be of lead or cast iron properly coated with tar or asphaltum.
(Prior Code, § 10-3-10)