Chapter 37 — COMBUSTIBLE FIBERS
Section 3703 — GENERAL PRECAUTIONS
2025 California Fire Code (Title 24, Part 9) · 2025 edition · ingested 2026-07-07 · California
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3703.1 Use of combustible receptacles. ¶
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. ¶
3703.2 Vegetation. Grass or weeds shall not be allowed to accumulate at any point on the premises.
3703.3 Clearances. ¶
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. ¶
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…
3703.5 Dust collection. ¶
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. ¶
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. ¶
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: 1. In rooms or areas where materials are stored or dispensed or used in open systems. 2. Within 25 feet (7620 mm) of outdoor storage or open use areas. 3. 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…