(A) An excavation for the water system may not be made until a permit for the connection has been issued by the Superintendent. The permit fee is set in § 36.02 of this code of ordinances.
(B) Excavations for making a tap from city water mains must conform to Federal Register Part 2, Department of Labor, Occupational Safety and Health Administration, 29 C.F.R. part 1926, Occupational Safety and Health Standards - Excavations: Final Rule. The excavations must extend to a depth at least 12 inches lower than the bottom of the water main. Ample clear space must be allowed for insertion of tapping machine. Excavations must be safe. If not determined safe by the tapper a tap may not be made. A safe ladder must be furnished by the contractor for use of entry, tapping, inspection and exiting. Streets, sidewalks, parkways and other public property disturbed in the course of the work must be restored to as good or better condition than before work commenced.
(C) In compliance with the Minnesota Plumbing Code, separation of water service pipes and sewer service pipes must be no less than ten feet apart horizontally or may be placed in a common trench if the bottom of the water service pipe is kept at a minimum of 12 inches above the top of the sewer pipe at all points and the water pipe is placed on a solid shelf at one side of the common trench. A common trench may also be used without the separation requirements if the sewer pipe is of ductile iron, schedule 40 plastic, or SDR35 ASTM D3034 plastic pipe and the water pipe is of copper or ductile iron.
(Prior Code, § 715.21) Penalty, see § 52.99