P-605.1 Soil and ground water. The installation of a water service or water distribution pipe or water-supply pipes shall be prohibited in soil and ground water contaminated with solvents, fuels, organic compounds or other detrimental materials causing permeation, corrosion, degradation or structural failure of the piping material. Where detrimental conditions are suspected, a chemical analysis of the soil and ground water conditions shall be required to ascertain the acceptability of the water service or water distribution piping material for the specific installation. Where detrimental conditions exist, approved alternative materials or routing shall be required.
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P-605.3 Water service distribution pipe. Water service distribution pipe shall conform to NSF 61 and shall conform to one of the standards listed in Table P-605.3. Water service distribution pipe or tubing, installed underground and outside of the structure, shall have a working pressure rating of not less than 160 psi (1100 kPa) at 73.4ºF (23ºC). Where the water pressure exceeds 160 psi (1100 kPa), piping material shall have a working pressure rating not less than the highest available pressure. Water service distribution piping materials not third- party certified for water distribution supply pipe shall terminate at or before the full open valve located at the entrance to the structure. Ductile iron water service distribution piping shall be cement mortar lined in accordance with AWWA C104/A21.4. Any water distribution pipe serving or located within occupancies other than one- and two-family dwellings and apartments shall be metallic piping in accordance with this section and listed on Table P-605.3. All water service piping from the City water main tap to the curb stop shall conform to the regulations as set forth by the Philadelphia Water Department. 368
Exception: pipes 3 inches and larger shall be ductile iron to the meter.
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P-605.4 Water distribution supply pipe. Water distribution supply pipe and tubing shall conform to NSF 61 and shall conform to one of the standards listed in Table P-605.4. Hot water distribution supply pipe and tubing shall have a pressure rating of not less than 100 psi (690 kPa) at 180ºF (82ºC). Any water supply piping supplying or located within occupancies other than one- and two-family dwellings and apartments shall be metallic piping in accordance with this Section.
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P-605.4.1 High rise materials. Metallic piping shall be installed in buildings with an occupied floor located more than 75 feet (22,860 mm) above the lowest level of fire department vehicle access. 369
Exception: Nonmetallic piping may be used within demised individual residential dwelling units located within new construction of buildings with an occupied floor located more than 75 feet (22,860 mm) and not more than 150 feet (45,720 mm) above the lowest level of fire department vehicle access.
P-605.5 Fittings. Pipe fittings shall be approved for installation with the piping material installed and shall comply with the applicable standards listed in Table 605.5. Pipe fittings utilized in water supply systems shall also comply with NSF 61. Ductile and gray iron pipe and pipe fittings utilized in water service distribution piping systems shall be cement mortar lined in accordance with AWWA C104/A21.4.
Exception: In one- and two-family dwellings, flexible water connectors where exposed to continuous pressure shall conform to ASME A112.18.6/CSA B125.6. Access shall be provided to all flexible water connectors.
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P-605.13.5 Press-connect joints. Press-connect joints shall conform to one of the standards indicated in Table 605.5, and shall be installed in accordance with the manufacturer's instructions. Cut tube ends shall be reamed to the full inside diameter of the tube end. Joint surfaces shall be cleaned. The tube shall be fully inserted into the press-connect fitting. Press-connect joints shall be pressed with a tool certified by the manufacturer. Press-connect joints shall be limited to above ground installations only. 371
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P-605.13.7 Push-fit joints. Push-fit joints shall conform to ASSE 1061 and shall be installed in accordance with the manufacturer’s instructions and limited to above ground installations only. 372
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P-605.14.4 Push-fit joints. Push-fit joints shall conform to ASSE 1061 and shall be installed in accordance with the manufacturer’s instructions and limited to above ground installations only. 373
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Notes
| 368 | Amended,
Bill No. 230653 (approved December 20, 2023), effective April 1, 2024. |
| 369 | Amended,
Bill No. 230653 (approved December 20, 2023), effective April 1, 2024. |
| 370 | Amended,
Bill No. 230653 (approved December 20, 2023), effective April 1, 2024. |
| 371 | Amended,
Bill No. 230653 (approved December 20, 2023), effective April 1, 2024. |
| 372 | Amended,
Bill No. 230653 (approved December 20, 2023), effective April 1, 2024. |
| 373 | Amended,
Bill No. 230653 (approved December 20, 2023), effective April 1, 2024. |