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Earlier editions: 20222019

Chapter 12 — FUEL GAS PIPING

1210.9 Manual Gas Shutoff Valves. An accessible gas

California Plumbing Code (Title 24, Part 5) · 2025 edition · updated 2026-09-10 · California

Italicized text is a California amendment to the model code, as printed in the official publication.

shutoff valve shall be provided upstream of each gas pressure regulator. Where two gas pressure regulators are installed in series in a single gas line, a manual valve shall not be required at the second regulator. [NFPA 54:7.8.2]

1210.9.1 Accessibility of Gas Valves. System shutoff valves shall be readily accessible for operation and installed so as to be protected from physical damage. System shutoff valves shall be marked with a metal tag or other permanent means attached by the installing agency so that the gas piping systems supplied through them can be readily identified. [NFPA 54:7.8.1.1 – 7.8.1.2] 1210.9.2 Shutoff Valves for Multiple House Lines. In multiple-tenant buildings supplied through a master meter, through one service regulator where a meter is not provided, or where meters or service regulators are not readily accessible from the appliance or equipment location, an individual shutoff valve for each apartment or tenant line shall be provided at a convenient point of general accessibility. In a common system serving a number of individual buildings, shutoff valves shall be installed at each building. [NFPA 54:7.8.3.1] 1210.9.3 Emergency Shutoff Valves. An exterior shutoff valve to permit turning off the gas supply to each building in an emergency shall be provided. The emergency shutoff valves shall be plainly marked as such and their locations posted as required by the Authority Having Jurisdiction. [NFPA 54:7.8.3.2]

1210.9.4 Shutoff Valve for Laboratories. Each laboratory space containing two or more gas outlets installed on tables, benches, or in hoods in educational, research, commercial and industrial occupancies shall have a single shutoff valve through which all such gas outlets are supplied. The shutoff valve shall be accessible, located within the laboratory or adjacent to the laboratory’s egress door, and identified. [NFPA 54:7.8.3.3] 1210.9.5 System Shutoff Valves. Where a system shutoff valve is installed, the valve shall comply with Section 1208.13. [NFPA 54:7.8.4]

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▸Contents — California Plumbing Code (Title 24, Part 5)
California Plumbing Code (Title 24, Part 5)
  1. Chapter 1 — GENERAL CODE PROVISIONS
  2. Chapter 2 — DEFINITIONS
  3. Chapter 3 — GENERAL REGULATIONS
  4. Chapter 4 — PLUMBING FIXTURES AND FIXTURE FITTINGS
  5. Chapter 5 — WATER HEATERS
  6. Chapter 6 — WATER SUPPLY AND DISTRIBUTION
  7. Chapter 7 — SANITARY DRAINAGE
  8. Chapter 8 — INDIRECT WASTES
  9. Chapter 9 — VENTS
  10. Chapter 10 — TRAPS AND INTERCEPTORS
  11. Chapter 11 — STORM DRAINAGE
  12. ▸Chapter 12 — FUEL GAS PIPING
    Overview
    1. 1201.1 Applicability. The regulations of this chapter shall
    2. 1202.1 General. Coverage of piping systems shall extend
    3. 1202.2 Piping System Requirements. Requirements for
    4. 1202.3 Applications. This chapter shall not apply to the
    5. 1203.1 Inspection Notification. Upon completion of the
    6. 1203.2 Excavation. Excavations required for the installation o…
    7. 1203.3 Type of Inspections. The Authority Having Jurisdiction …
    8. 1203.4 Inspection Waived. In cases where the work
    9. 1204.1 Issuance. Whereupon final piping inspection, the
    10. 1204.2 Gas Supplier. A copy of the certificate of such final
    11. 1204.3 Unlawful. It shall be unlawful for a serving gas suppli…
    12. 1205.1 Authorized Personnel. It shall be unlawful for a
    13. 1205.2 Outlets. It shall be unlawful to turn on or connect gas
    14. 1206.1 Disconnection. The Authority Having Jurisdiction
    15. 1206.2 Notice. Where such disconnection has been made, a
    16. 1206.3 Capped Outlets. It shall be unlawful to remove or
    17. 1207.1 General. Where temporary use of gas is desired, and
    18. 1208.1 Installation of Piping System. Where required
    19. 1208.2 Interconnections Supplying Separate Users.
    20. 1208.3 Sizing of Gas Piping Systems. Gas piping systems shall …
    21. 1208.4 Maximum Operating Pressure in Buildings.
    22. 1208.5 Acceptable Piping Materials and Joining
    23. 1208.6 Gas Meters. Gas meters shall be selected for the
    24. 1208.7 Gas Pressure Regulators. A line pressure regulator shal…
    25. 1208.8 Overpressure Protection Required. Where the
    26. 1208.9 Overpressure Protection Devices. Overpressure protectio…
    27. 1208.10 Pressure Limitation Requirements. Where piping systems…
    28. 1208.11 Backpressure Protection. Protective devices
    29. 1208.12 Low-Pressure Protection. A protective device
    30. 1208.13 Shutoff Valves. Shutoff valves shall be selected in
    31. 1208.14 Expansion and Flexibility. Piping systems shall
    32. 1208.15 Pressure Regulator and Pressure Control
    33. 1209.1 General. Where automatic excess flow valves are
    34. 1210.1 Piping Underground. Underground gas piping
    35. 1210.2 CSST Piping Systems. CSST piping systems shall
    36. 1210.3 Installation of Aboveground Piping. Piping
    37. 1210.4 Concealed Piping in Buildings. Gas piping in
    38. 1210.5 Piping in Vertical Chases. Where gas piping
    39. 1210.6 Gas Pipe Turns. Changes in direction of gas pipe
    40. 1210.7 Drips and Sediment Traps. For other than dry gas
    41. 1210.8 Outlets. Outlets shall be located and installed in
    42. 1210.9 Manual Gas Shutoff Valves. An accessible gas
    43. 1210.10 Prohibited Devices. Devices shall not be placed
    44. 1210.11 Systems Containing Gas-Air Mixtures Out-
    45. 1210.12 Systems Containing Flammable Gas-Air
    46. 1211.1 Pipe and Tubing Other than CSST. Each aboveground porti…
    47. 1211.2 Bonding of CSST Gas Piping. CSST gas piping
    48. 1211.3 Arc-Resistant Jacketed CSST. CSST listed with
    49. 1211.4 Prohibited Use. Gas piping shall not be used as a
    50. 1211.5 Lightning Protection System. Where a lightning
    51. 1211.6 Electrical Circuits. Electrical circuits shall not util…
    52. 1211.7 Electrical Connections. All electrical connections
    53. 1211.8 Earthquake-Actuated Gas Shutoff Valves.
    54. 1212.1 Connecting Appliances and Equipment.
    55. 1212.4 Injection (Bunsen) Burners. Injection (Bunsen)
    56. 1212.5 Connection of Portable and Mobile Industrial
    57. 1212.6 Appliance Shutoff Valves and Connections.
    58. 1212.7 Quick-Disconnect Devices. Quick-disconnect
    59. 1212.2 Suspended Low-Intensity Infrared Tube
    60. 1212.3 Use of Nonmetallic Gas Hose Connectors.
    61. 1212.8 Gas Convenience Outlets. Appliances shall be
    62. 1212.9 Sediment Trap. Where a sediment trap is not incorporate…
    63. 1212.10 Installation of Piping. Piping shall be installed in
    64. 1212.11 Liquefied Petroleum Gas Facilities and Pip-
    65. 1213.1 Piping Installations. Prior to acceptance and initial o…
    66. 1213.2 Test Preparation. Test preparation shall comply
    67. 1213.3 Test Pressure. This inspection shall include an air,
    68. 1213.4 Detection of Leaks and Defects. The piping system shall…
    69. 1213.5 Piping System Leak Test. Leak checks using fuel
    70. 1213.6 Purging Requirements. The purging of piping
    71. 1214.1 General. The following regulations shall comply
    72. 1214.2 Volume. The hourly volume of gas required at each
    73. 1214.3 Gas Appliances. Where the gas appliances to be
    74. 1214.4 Size of Piping Outlets. The size of the supply piping o…
    75. 1215.1 Pipe Sizing Methods. Where the pipe size is to be
    76. 1215.2 Sizing of Gas Piping Systems. Sizing of piping
    77. 1215.3 Sizing Equations. The inside diameter of smooth
    78. 1215.4 Sizing of Piping Sections. To determine the size
    79. 1215.5 Engineering Methods. For conditions other than
    80. 1215.6 Variable Gas Pressure. Where the supply gas
  13. Chapter 13 — HEALTH CARE FACILITIES AND MEDICAL GAS AND MEDICA…
  14. Chapter 14 — FIRESTOP PROTECTION
  15. Chapter 15 — ALTERNATE WATER SOURCES FOR NONPOTABLE APPLICATIONS
  16. Chapter 16 — NONPOTABLE RAINWATER CATCHMENT SYSTEMS
  17. Chapter 17 — REFERENCED STANDARDS
  18. Appendix A — RECOMMENDED RULES FOR SIZING THE WATER SUPPLY SYS…
  19. Appendix B — EXPLANATORY NOTES ON COMBINATION WASTE AND VENT S…
  20. Appendix C — ALTERNATE PLUMBING SYSTEMS
  21. Appendix D — SIZING STORM WATER DRAINAGE SYSTEMS
  22. Appendix E — MANUFACTURED/MOBILE HOME PARKS AND RECREATIONAL V…
  23. Appendix F — FIREFIGHTER BREATHING AIR REPLENISHMENT SYSTEMS
  24. Appendix G — SIZING OF VENTING SYSTEMS
  25. Appendix H — PRIVATE SEWAGE DISPOSAL SYSTEMS
  26. Appendix I — INSTALLATION STANDARDS
  27. Appendix J — COMBINATION OF INDOOR AND OUTDOOR COMBUSTION AND …
  28. Appendix K — POTABLE RAINWATER CATCHMENT SYSTEMS
  29. Appendix L — SUSTAINABLE PRACTICES
  30. Appendix M — PEAK WATER DEMAND CALCULATOR
  31. Appendix N — IMPACT OF WATER TEMPERATURE ON THE POTENTIAL FOR …
  32. Appendix O — NON-SEWERED SANITATION SYSTEMS
  33. Appendix P — PROFESSIONAL QUALIFICATIONS
  34. Appendix Q — INDOOR HORTICULTURAL FACILITIES
  35. Appendix R — TINY HOUSES
  36. Appendix S — ONSITE STORMWATER TREATMENT SYSTEMS

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