All installations, repairs, and alterations of water distribution pipe in the City shall be made in compliance with this section. Plastic pipe and fittings marked to show approval by the National Sanitation Foundation Testing Laboratory may be used as a water service pipe when installed in accordance with the instructions of the manufacturer. Service lines shall be constructed of the following materials and in accordance with these rules and regulations and/or the Uniform Plumbing Code: brass, bronze, and Type K copper pipe and approved fittings. Service polyethylene piping with approved fittings of such strength and thickness as to safely withstand a pressure of two hundred (200) pounds per square inch. Poly piping must be installed with a locate wire for future locating use. Solvent weld plastic pipe shall not be permitted. Plastic pipe shall not be installed in any chase or tunnel that is heated or which contains hot water, hot air, or steam piping. It shall terminate at a point not more than twelve inches inside the building wall, floor, or footing or through a floor; the pipe shall be installed within a sleeve two pipe diameters in size. Provisions shall be made to accommodate the rate of expansion and contraction in plastic pipe being approximately ten times greater than that found in ferrous pipe and five times greater than that found in copper pipe. Flexible plastic pipe shall be laid in snake fashion to provide a uniform slack of at least two inches per one hundred feet. Plastic pipe shall not be jacked or pulled. PEX tubing may be installed in the interior of a building for hot or cold potable water distribution, provided all outside hose bibs have metal continuity with the water service. All non-metallic water underground pipe shall have a minimum of eighteen gauge tracer wire run to all points accessible for tracing. The service line between the water main and curb box shall be and remain the property of Denison Municipal Utilities. The service line and appurtenances from the curb box to the meter shall be and remain the property of the property owner.
(Ord. 1389 - Nov. 10 Supp.)