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Chapter 8 — INDIRECT WASTES

California Plumbing Code (Title 24, Part 5) · 2019 edition · updated 2026-09-10 · California

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

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2019 CALIFORNIA PLUMBING CODE 189

190 2019 CALIFORNIA PLUMBING CODE

CHAPTER 8

INDIRECT WASTES

801.0 General.801.1 Applicability. This chapter shall govern the materials,

design, and installation of indirect waste piping, receptors, and connections; and provisions for discharge and disposal of condensate wastes, chemical wastes, industrial wastes, and clear water wastes.

802.0 Approvals.802.1 General. No plumbing fixtures served by indirect

waste pipes or receiving discharge therefrom shall be installed until first approved by the Authority Having Jurisdiction.

803.0 Indirect Waste Piping.803.1 Materials. Pipe, tube, and fittings conveying indirect

waste shall be of such materials and design as to perform their intended function to the satisfaction of the Authority Having Jurisdiction.

806.0 Sterile Equipment.806.1 General. Appliances, devices, or apparatus such as

stills, sterilizers, and similar equipment requiring water and waste and used for sterile materials shall be drained through an air gap.

807.0 Appliances.807.1 Non-Classed Apparatus. Commercial dishwashing

machines, silverware washing machines, and other appliances, devices, equipment, or other apparatus not regularly classed as plumbing fixtures, which are equipped with pumps, drips, or drainage outlets, shall be permitted to be drained by indirect waste pipes discharging into an approved type of open receptor.

809.0 Drinking Fountains.809.1 General. Drinking fountains shall be permitted to be

installed with indirect wastes.

812.0 Clear Water Wastes.812.1 General. Water lifts, expansion tanks, cooling jackets,

sprinkler systems, drip or overflow pans, or similar devices that discharge clear wastewater into the building drainage system shall discharge through an indirect waste.

813.0 Swimming Pools.813.1 General. Pipes carrying wastewater from swimming

or wading pools, including pool drainage and backwash from filters, shall be installed as an indirect waste. Where a pump is used to discharge pool waste water to the drainage system, the pump discharge shall be installed as an indirect waste.

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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
    Overview
    1. 801.2 Air Gap or Air Break Required. Indirect waste piping sha…
    2. 801.3 Food and Beverage Handling Establishments. Establishment…
    3. 801.4 Bar and Fountain Sink Traps. Where the sink in a
    4. 801.5 Connections from Water Distribution System. Indirect was…
    5. 801.6 Sterilizers. Lines, devices, or apparatus such as stills,
    6. 801.7 Drip or Drainage Outlets. Appliances, devices, or
    7. 803.2 Copper and Copper Alloys. Joints and connections in copp…
    8. 803.3 Pipe Size and Length. Except as hereinafter provided, th…
    9. 804.0 Indirect Waste Receptors.804.1 Standpipe Receptors. Plum…
    10. 805.0 Pressure Drainage Connections.805.1 General. Indirect wa…
    11. 807.2 Undiluted Condensate Waste. Where undiluted
    12. 808.0 Cooling Water.808.1 General. Where permitted by the Auth…
    13. 810.0 Steam and Hot Water Drainage Condensers
    14. 807.3 Domestic Dishwashing Machine. No domestic
    15. 810.2 Sumps, Condensers, and Intercepting Tanks. Sumps, conden…
    16. 810.3 Cleaning. Sumps and condensers shall be provided
    17. 810.4 Strainers. An indirect waste interceptor is receiving
    18. 811.0 Chemical Wastes.811.1 Pretreatment. Chemical or liquid i…
    19. 811.2 Waste and Vent Pipes. Each waste pipe receiving or
    20. 811.3 Joining Materials. Joining materials shall be of
    21. 811.4 Access. Where practicable, the piping shall be readily a…
    22. 811.5 Permanent Record. The owner shall make and keep
    23. 811.6 Chemical Vent. No chemical vent shall intersect
    24. 811.7 Discharge. Chemical wastes shall be discharged in a
    25. 811.8 Diluted Chemicals. The provisions of this section
    26. 814.0 Condensate Waste and Control.814.1 Condensate Disposal. …
    27. 814.2 Condensate Control. Where an equipment or appliance is i…
    28. 814.3 Condensate Waste Pipe Material and Sizing. Condensate wa…
    29. 814.4 Appliance Condensate Drains. Condensate drain
    30. 814.5 Point of Discharge. Air-conditioning condensate
    31. 814.6 Condensate Waste from Air-Conditioning
    32. 814.7 Plastic Fittings. Female plastic screwed fittings shall
  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 STANDARD FOR PEX TUBING SYSTEMS FOR …
  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

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