(a) No building shall be constructed over an existing sanitary sewer main until such sewer has been replaced with ductile iron pipe of a type and class specified by the water department.
(b) Whenever it is necessary to relocate or replace an existing sewer main to permit the construction of a building, such relocation or replacement shall be accomplished by the city at the expense of the owner, or under the supervision of the city by a contractor employed by the owner and approved by the director of the water department.
(1964 Code, § 37-3.1) (Ord. 6685, § 1, passed 6-19-1972; Ord. 10026, § 2, passed 12-18-1987)