The method of performing any tunneling, boring or jacking under an improved street and the type of pipe to be placed under the street shall be approved by the Director of Public Works/City Engineer or his or her authorized representative before work begins. Mud formed in boring excavations shall be used to fill voids around any pipe or casing in a bored excavation. If possible, pits or trenches needed to facilitate jacking, tunneling or boring operations shall be excavated outside the paved area of the street. Any pits or trenches excavated for tunneling, boring or jacking purposes shall be backfilled immediately after the pipe is in place.
(`87 Code, § 20-31) (Am. Ord. 1988-2, passed 3-29-88; Am. Ord. 2002-29, passed 3-5-02)