Chapter 37 — COMBUSTIBLE FIBERS
Section 3703 — GENERAL PRECAUTIONS
2025 California Fire Code (Title 24, Part 9) · 2025 edition · updated 2026-07-29 · California
Italicized text is a California amendment to the model code, as printed in the official publication.
3703.1 Use of combustible receptacles. ¶
Ashes, waste, rubbish or sweepings shall not be placed in wood or other combustible receptacles and shall be removed daily from the structure.
3703.2 Vegetation. ¶
Grass or weeds shall not be allowed to accumulate at any point on the premises.
3703.3 Clearances. ¶
A minimum clearance of 3 feet (914 mm) shall be maintained between automatic sprinklers and the top of piles.
3703.4 Agricultural products. ¶
Hay, straw, seed cotton or similar agricultural products shall not be stored adjacent to structures or combustible materials unless a clear horizontal distance equal to the height of a pile is maintained between such storage and structures or combustible materials. Storage shall be limited to stacks of 100 tons (91 metric tons) each. Stacks shall be separated by not less than 20 feet (6096 mm) of clear space. Quantities of hay, straw, seed cotton and other agricultural products shall not be limited where stored in or near farm structures located outside closely built areas. A permit shall not be required for agricultural storage.
3703.5 Dust collection. ¶
Where located within a building, equipment or machinery that generates or emits combustible fibers shall be provided with an approved dust-collecting and exhaust system. Such systems shall comply with Chapter 22 of this code and Section 510 of the California Mechanical Code .
3703.6 Portable fire extinguishers. ¶
Portable fire extinguishers shall be provided in accordance with Section 906 as required for extra-hazard occupancy protection as indicated in Table 906.1.
3703.7 Sources of ignition. ¶
Sources of ignition shall comply with Sections 3703.7.1 and 3703.7.2.
3703.7.1 Smoking. Smoking shall be prohibited and “No Smoking” signs provided as follows:
- In rooms or areas where materials are stored or dispensed or used in open systems.
- Within 25 feet (7620 mm) of outdoor storage or open use areas.
- Facilities or areas within facilities that have been designated as totally “no smoking” shall have “No Smoking” signs placed at all entrances to the facility or area. Designated areas within such facilities where smoking is permitted either permanently or temporarily shall be identified with signs designating that smoking is permitted in these areas only.
Signs required by this section shall be in English as a primary language or in symbols allowed by this code and shall comply with Section 310.
3703.7.2 Open flames. Open flames and high-temperature devices shall not be used in a manner that creates a hazardous condition. High-temperature devices and those devices utilizing an open flame shall be listed for use with the materials stored or used.
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Ask AI about this code▸ Contents — 2025 California Fire Code (Title 24, Part 9)
- Chapter 1 — ADMINISTRATION
- Chapter 2 — DEFINITIONS
- Chapter 3 — GENERAL REQUIREMENTS
- Chapter 4 — EMERGENCY PLANNING AND PREPAREDNESS
- Chapter 5 — FIRE SERVICE FEATURES
- Chapter 6 — BUILDING SERVICES AND SYSTEMS
- Chapter 7 — FIRE AND SMOKE PROTECTION FEATURES
- Chapter 8 — INTERIOR FINISH, DECORATIVE MATERIALS AND FURNISHI…
- Chapter 9 — FIRE PROTECTION AND LIFE SAFETY SYSTEMS
- Chapter 10 — MEANS OF EGRESS
- Chapter 11 — CONSTRUCTION REQUIREMENTS FOR EXISTING BUILDINGS
- Chapter 12 — ENERGY SYSTEMS
- Chapter 20 — AVIATION FACILITIES
- Chapter 21 — DRY CLEANING
- Chapter 22 — COMBUSTIBLE DUST-PRODUCING OPERATIONS
- Chapter 23 — MOTOR FUEL-DISPENSING FACILITIES AND REPAIR GARAGES
- Chapter 24 — FLAMMABLE FINISHES
- Chapter 25 — FRUIT AND CROP RIPENING
- Chapter 26 — FUMIGATION AND INSECTICIDAL FOGGING
- Chapter 27 — SEMICONDUCTOR FABRICATION FACILITIES
- Chapter 28 — LUMBER YARDS AND AGRO-INDUSTRIAL, SOLID BIOMASS A…
- Chapter 29 — MANUFACTURE OF ORGANIC COATINGS
- Chapter 30 — INDUSTRIAL OVENS
- Chapter 31 — TENTS, TEMPORARY SPECIAL EVENT STRUCTURES AND OTH…
- Chapter 32 — HIGH-PILED COMBUSTIBLE STORAGE
- Chapter 33 — FIRE SAFETY DURING CONSTRUCTION AND DEMOLITION
- Chapter 34 — TIRE REBUILDING AND TIRE STORAGE
- Chapter 35 — WELDING AND OTHER HOT WORK
- Chapter 36 — MARINAS
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▸ Chapter 37 — COMBUSTIBLE FIBERS
- Chapter 38 — RESERVED
- Chapter 39 — PROCESSING AND EXTRACTION FACILITIES
- Chapter 40 — STORAGE OF DISTILLED SPIRITS AND WINES
- Chapter 41 — TEMPORARY HEATING AND COOKING OPERATIONS
- Chapter 48 — MOTION PICTURE AND TELEVISION PRODUCTION STUDIO S…
- Chapter 49 — REQUIREMENTS FOR WILDLAND-URBAN INTERFACE FIRE AR…
- Chapter 50 — HAZARDOUS MATERIALS—GENERAL PROVISIONS
- Chapter 51 — AEROSOLS
- Chapter 52 — RESERVED
- Chapter 53 — COMPRESSED GASES
- Chapter 54 — CORROSIVE MATERIALS
- Chapter 55 — CRYOGENIC FLUIDS
- Chapter 56 — EXPLOSIVES AND FIREWORKS
- Chapter 57 — FLAMMABLE AND COMBUSTIBLE LIQUIDS
- Chapter 58 — FLAMMABLE GASES AND FLAMMABLE CRYOGENIC FLUIDS
- Chapter 59 — FLAMMABLE SOLIDS
- Chapter 60 — HIGHLY TOXIC AND TOXIC MATERIALS
- Chapter 61 — LIQUEFIED PETROLEUM GASES
- Chapter 62 — ORGANIC PEROXIDES
- Chapter 63 — OXIDIZERS, OXIDIZING GASES AND OXIDIZING CRYOGENI…
- Chapter 64 — PYROPHORIC MATERIALS
- Chapter 65 — PYROXYLIN (CELLULOSE NITRATE) PLASTICS
- Chapter 66 — UNSTABLE (REACTIVE) MATERIALS
- Chapter 67 — WATER-REACTIVE SOLIDS AND LIQUIDS
- Chapter 80 — REFERENCED STANDARDS
- Appendix Chapter 4 — SPECIAL DETAILED REQUIREMENTS BASED ON US…
- Appendix A — BOARD OF APPEALS
- Appendix B — FIRE-FLOW REQUIREMENTS FOR BUILDINGS
- Appendix BB — FIRE-FLOW REQUIREMENTS FOR BUILDINGS
- Appendix C — FIRE HYDRANT LOCATIONS AND DISTRIBUTION
- Appendix CC — FIRE HYDRANT LOCATIONS AND DISTRIBUTION
- Appendix D — FIRE APPARATUS ACCESS ROADS
- Appendix E — HAZARD CATEGORIES
- Appendix F — HAZARD RANKING
- Appendix G — CRYOGENIC FLUIDS—WEIGHT AND VOLUME EQUIVALENTS
- Appendix H — HAZARDOUS MATERIALS MANAGEMENT PLANS AND HAZARDOU…
- Appendix I — FIRE PROTECTION SYSTEMS—NONCOMPLIANT CONDITIONS
- Appendix J — BUILDING INFORMATION SIGN
- Appendix K — CONSTRUCTION REQUIREMENTS FOR EXISTING AMBULATORY…
- Appendix L — REQUIREMENTS FOR FIREFIGHTER AIR REPLENISHMENT SY…
- Appendix M — HIGH-RISE BUILDINGS—RETROACTIVE AUTOMATIC SPRINKL…
- Appendix N — INDOOR TRADE SHOWS AND EXHIBITIONS
- Appendix O — VALET TRASH AND RECYCLING COLLECTION IN GROUP R-2…
- Appendix P — TEMPORARY HAUNTED HOUSES, GHOST WALKS AND SIMILAR…
- Appendix Q — COMMUNITY WILDLAND-URBAN INTERFACE (WUI) FIRE HAZ…