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Chapter 1 — GENERAL CODE PROVISIONS

101.5 Validity.

California Plumbing Code (Title 24, Part 5) · 2022 edition · updated 2026-09-10 · California

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

Where a provision of this code, or the application thereof to a person or circumstance, is held invalid, the remainder of the code, or the application of such provision to other persons or circumstances, shall not be affected thereby.

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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
    Overview
    1. 1504.5 Irrigation, Disposal Field
    2. 1504.6 Reserved . . . . . . . . . . . . . . . . . . .312
    3. 1504.7 Reserved . . . . . . . . . . . . . . . . . . .312
    4. 101.1 Title. This document shall be known as the “Uniform
    5. 101.2 Scope. The provisions of this code shall apply to the
    6. 101.3 Purpose. This code is an ordinance providing minimum req…
    7. 101.4 Unconstitutional. Where a section, subsection, sentence,…
    8. 101.5 Validity. Where a provision of this code, or the applica…
    9. 102.1 Conflicts Between Codes. Where the requirements
    10. 102.2 Existing Installations. Plumbing systems lawfully
    11. 102.3 Maintenance. The plumbing and drainage system,
    12. 102.4 Additions, Alterations, Renovations, or Repairs.
    13. 102.5 Health and Safety. Where compliance with the provisions …
    14. 102.6 Changes in Building Occupancy. Plumbing systems that are…
    15. 102.7 Moved Structures. Parts of the plumbing system of
    16. 102.8 Appendices. The provisions in the appendices are
    17. 103.1 General. The Authority Having Jurisdiction shall be
    18. 103.2 Liability. The Authority Having Jurisdiction charged
    19. 103.3 Applications and Permits. The Authority Having
    20. 103.4 Right of Entry. Where it is necessary to make an
    21. 104.1 Permits Required. It shall be unlawful for a person,
    22. 104.2 Exempt Work. A permit shall not be required for the
    23. 104.3 Application for Permit. To obtain a permit, the
    24. 104.4 Permit Issuance. The application, construction documents…
    25. 104.5 Fees. Fees shall be assessed in accordance with the
    26. 105.1 General. Plumbing systems for which a permit is
    27. 105.2 Required Inspections. New plumbing work and
    28. 105.3 Testing of Systems. Plumbing systems shall be
    29. 105.4 Connection to Service Utilities. No person shall
    30. 106.1 General. It shall be unlawful for a person, firm, or
    31. 106.2 Notices of Correction or Violation. Notices of
    32. 106.3 Penalties. A person, firm, or corporation violating a
    33. 106.4 Stop Orders. Where work is being done contrary to
    34. 106.5 Authority to Disconnect Utilities in Emergen-
    35. 106.6 Authority to Condemn. Where the Authority Having Jurisdi…
    36. 107.1 General. In order to hear and decide appeals of orders,
    37. 107.2 Limitations of Authority. The Board of Appeals
  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
  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 …

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