§ 51.22 PLUMBING REGULATIONS.
   (A)   Service pipes.
      (1)   Every service pipe shall be laid with sufficient bend to allow not less than 1 foot of extra length and in such manner as to prevent rupture by settlement.
      (2)   The service pipe shall be placed not less than 6 feet below the surface and be so arranged as to prevent rupture by freezing.
      (3)   A shut-off or other stopcock with waste valve of the size and strength required shall be placed close to the inside wall of the building and be well protected from freezing.
      (4)   Connections with the mains for domestic supply shall be at least 3/4 of an inch. The water service pipe shall be watertight and corrosion resistant.
      (5)   The water service pipe shall conform to the American Water Works Association specifications.
   (B)   Water lines under surfaced streets.
      (1)   Any water pipes under any street right-of-way must be traceable with locating equipment. In case a water line needs to be repaired or installed under a surfaced street, the following shall apply.
      (2)   All backfill materials shall be mechanically compacted in 12-inch layers to the density of the adjacent material in the roadway area and to the existing street grades in accordance with the Minnesota Department of Transportation Standards.
      (3)   Complete surface restoration shall be made.
   (C)   Water meter setting. Every water meter shall be installed as to prevent rupture by freezing.
   (D)   Location of stop boxes.
      (1)   Curb stop boxes shall be installed generally where desired by the owners of occupied properties, but they shall be placed as near as possible to the curb if on a street or within 1 foot of the alley line if the main is located in the alley.
      (2)   The curb stop boxes shall be installed at an approximate depth of 6 feet below the established grade and shall be left in an accurate vertical position when back filling is completed. Curb stop boxes must be firmly supported by a masonry block.
      (3)   No person shall erect any fence or plant any tree or other landscaping or cement that would obstruct the use of the curb stop box, or cause damage to the same.
   (E)   Lead service line.
      (1)   Any existing lead service line shall be removed and replaced with a copper service line during, and as a part of, any maintenance, repair, or construction project that involves or relates to water main or service pipe construction, repair, or maintenance that will be, or is connected to an owner's service line.
      (2)   The property owner will have the opportunity to have the cost of removal and replacement assessed to the property owner by the city during a street construction project.
   (F)   Maintenance of stop boxes. The city shall be responsible for the maintenance and repair of any curb stop box that has become unserviceable and shall replace it if necessary.
(Ord. passed 8-1-2006; Am. Ord. 11-5-2013)