Skip to content

Chapter 14 — PROCESS PIPING

California Mechanical Code (Title 24, Part 4) · 2019 edition · updated 2026-09-10 · California

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

(Matrix Adoption Tables are non-regulatory, intended only as an aid to the code user. See Chapter 1 for state agency authority and building applications.)

Adopting Agency BSC BSC-
CG		 SFM HCD DSA OSHPD BSCC DPH AGR DWR CEC CA SL SLC
Adopting Agency
 **BSC **
 BSC-
CG		 SFM
 1 2 1-AC **AC ** SS
 SS/CC
 1
 1R
 2
 3
 4
 5
 5
 5
 5
 5
 5
 5
 5
 5
Adopt Entire Chapter

 X X X X **X ** **X ** **X ** **X ** **X ** X

Adopt Entire Chapter as
amended (amended sections
listed below)

Adopt only those sections
that are listed below

Chapter/Section











Section 1.11.0.

2019 CALIFORNIA MECHANICAL CODE 307

308 2019 CALIFORNIA MECHANICAL CODE

CHAPTER 14

PROCESS PIPING

Get a plain-English answer with a citation back to this text.

Ask AI about this code
Export this section
▸Contents — California Mechanical Code (Title 24, Part 4)
California Mechanical Code (Title 24, Part 4)
  1. Chapter 1 — GENERAL CODE PROVISIONS
  2. Chapter 2 — DEFINITIONS
  3. Chapter 3 — GENERAL REGULATIONS
  4. Chapter 4 — VENTILATION AIR
  5. Chapter 5 — EXHAUST SYSTEMS
  6. Chapter 6 — DUCT SYSTEMS
  7. Chapter 7 — COMBUSTION AIR
  8. Chapter 8 — CHIMNEYS AND VENTS
  9. Chapter 9 — INSTALLATION OF SPECIFIC APPLIANCES
  10. Chapter 10 — BOILERS AND PRESSURE VESSELS
  11. Chapter 11 — REFRIGERATION
  12. Chapter 12 — HYDRONICS
  13. Chapter 13 — FUEL GAS PIPING
  14. ▸Chapter 14 — PROCESS PIPING
    Overview
    1. 1401.1 Applicability. 1401.0 General. Except as otherwise addr…
    2. 1402.1 General. 1402.0 Permit. It shall be unlawful to install…
    3. 1405.3 Other Inspections. In addition to the inspections
    4. 1403.1 General. 1403.0 Plans Required. Plans, engineering calc…
    5. 1404.1 General. 1404.0 Workmanship. Process piping shall not b…
    6. 1405.1 General. 1405.0 Inspections. Upon completion of the ins…
    7. 1405.2 Required Inspections. The Authority Having
    8. 1406.1 General.1406.0 Pipe, Tubing, and Fittings. Process pipe…
    9. 1406.2 Hazardous Process Piping (HPP). HPP supply
    10. 1406.3 Special Requirements for HPP Gases. In addition to othe…
  15. Chapter 15 — SOLAR ENERGY SYSTEMS
  16. Chapter 16 — STATIONARY POWER PLANTS
  17. Chapter 17 — REFERENCED STANDARDS
  18. Appendix A — RESIDENTIAL PLAN EXAMINER REVIEW FORM FOR HVAC SY…
  19. Appendix B — PROCEDURES TO BE FOLLOWED TO PLACE GAS EQUIPMENT …
  20. Appendix C — INSTALLATION AND TESTING OF OIL (LIQUID) FUEL-FIR…
  21. Appendix D — FUEL SUPPLY: MANUFACTURED/MOBILE HOME PARKS AND R…
  22. Appendix E — SUSTAINABLE PRACTICES
  23. Appendix F — SIZING OF VENTING SYSTEMS AND OUTDOOR COMBUSTION …
  24. Appendix G — EXAMPLE CALCULATION OF OUTDOOR AIR RATE

GoCodebook provides public access, search, citation, multilingual explanation, and practical interpretation of legally adopted building regulations. It is not a substitute for the official ICC or California code publications.