SECTION P-603 WATER SERVICE DISTRIBUTION 364

P-603.1 Size of water service distribution pipe. The water service distribution pipe shall be sized to supply water to the structure in the quantities and at the pressures required in this code. The water service distribution pipe shall be not less than 3/4 inch (19.1 mm) in diameter.

P-603.2 Separation of water service, water distribution piping and, building sewer, building drains, storm sewer or storm drainage piping. Where water service piping is located in the same trench with the building sewer, such sewer shall be constructed of materials listed in Table 702.2. Where the building sewer piping is not constructed of materials listed in Table 702.2, the water service pipe and the building sewer shall be horizontally separated by not less than 5 feet (1524 mm) of undisturbed or compacted earth. Water distribution piping shall be horizontally separated by not less than 5 feet of undisturbed or compacted earth when it is adjacent to nonmetallic pipe material serving building sewers, building drains, storm sewer or storm drainage piping. The water distribution pipe shall be separated not less than 12" vertical and 12" horizontal from the outer edge of building sewers, building drains, storm sewers or storm drainage piping where metallic piping is used. The required separation distance shall not apply where a water service distribution pipe crosses a building sewer pipe, building drains, storm sewer or storm drainage piping, provided that the water service water distribution piping is at least 12" above such pipe and sleeved to a point not less than 5 feet (1524 mm) horizontally from the building sewer, building drains, storm sewer or storm drainage pipe centerline on both sides of such crossing. The sleeve shall be of pipe materials listed in Table 605.3, 702.2 or 702.3. The required separation distance shall not apply where the bottom of the water service pipe, located within 5 feet (1524 mm) of the sewer, is not less than 12 inches (305 mm) above the highest point of the top of the building sewer.  365

P-603.2.1 Water service Water distribution pipe near sources of pollution. Potable water service pipes water distribution pipe shall not be located in, under or above cesspools, septic tanks, septic tank drainage fields or seepage pits. Where soil or ground water causes contaminated conditions for piping, analysis shall be required in accordance with Section P-605.1.

P-603.3 Property lines.  Water distribution pipes may not cross adjoining property lines except private water infrastructure designed in accordance with Section P-614.  366

 

Notes

364	Caption amended, Bill No. 230653 (approved December 20, 2023), effective April 1, 2024.
365	Amended, Bill No. 190713 (approved December 30, 2019), effective February 3, 2020. See note 348 for effective date provisions.
366	Added, Bill No. 230653 (approved December 20, 2023), effective April 1, 2024.