314.1 Trenches. Trenches deeper than the footing of a

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.

building or structure, and paralleling the same, shall be located not less than 45 degrees (0.79 rad) from the bottom exterior edge of the footing, or as approved in accordance with Section 301.0.

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▸Contents — California Plumbing Code (Title 24, Part 5)

California Plumbing Code (Title 24, Part 5)

Chapter 1 — GENERAL CODE PROVISIONS
Chapter 2 — DEFINITIONS
▸Chapter 3 — GENERAL REGULATIONS
Overview
Chapter 4 — PLUMBING FIXTURES AND FIXTURE FITTINGS
Chapter 5 — WATER HEATERS
Chapter 6 — WATER SUPPLY AND DISTRIBUTION
Chapter 7 — SANITARY DRAINAGE
Chapter 8 — INDIRECT WASTES
Chapter 9 — VENTS
Chapter 10 — TRAPS AND INTERCEPTORS
Chapter 11 — STORM DRAINAGE
Chapter 12 — FUEL GAS PIPING
Chapter 13 — HEALTH CARE FACILITIES AND MEDICAL GAS AND MEDICA…
Chapter 14 — FIRESTOP PROTECTION
Chapter 15 — ALTERNATE WATER SOURCES FOR NONPOTABLE APPLICATIONS
Chapter 16 — NONPOTABLE RAINWATER CATCHMENT SYSTEMS
Chapter 17 — REFERENCED STANDARDS
Appendix A — RECOMMENDED RULES FOR SIZING THE WATER SUPPLY SYS…
Appendix B — EXPLANATORY NOTES ON COMBINATION WASTE AND VENT S…
Appendix C — ALTERNATE PLUMBING SYSTEMS
Appendix D — SIZING STORM WATER DRAINAGE SYSTEMS
Appendix E — MANUFACTURED/MOBILE HOME PARKS AND RECREATIONAL V…
Appendix F — FIREFIGHTER BREATHING AIR REPLENISHMENT SYSTEMS
Appendix G — SIZING OF VENTING SYSTEMS
Appendix H — PRIVATE SEWAGE DISPOSAL SYSTEMS
Appendix I — INSTALLATION STANDARDS
Appendix J — COMBINATION OF INDOOR AND OUTDOOR COMBUSTION AND …
Appendix K — POTABLE RAINWATER CATCHMENT SYSTEMS
Appendix L — SUSTAINABLE PRACTICES
Appendix M — PEAK WATER DEMAND CALCULATOR
Appendix N — IMPACT OF WATER TEMPERATURE ON THE POTENTIAL FOR …

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