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Chapter V — PUBLIC SAFETY AND PROTECTION›Article 7 — FIRE PROTECTION AND PREVENTION (FIRE CODE)

Los Angeles Municipal Code § 57.903 Automatic Sprinkler Systems

Los Angeles Municipal Code · 2026-09 edition · updated 2026-10-04 · Los Angeles

Cite as: Los Angeles Municipal Code § 57.903 · Text as of 2026-10-04

Section 903 of the CFC is hereby adopted in its entirety with the following exceptions, modifications, and additions.

SEC. 57.903.1.2. SPARE SPRINKLER HEADS.

Automatic sprinkler systems shall be provided with spare sprinkler heads as follows:

  1. For systems with not over 300 sprinklers, provide six spare sprinkler heads.

  2. For systems with 301 to 1,000 sprinklers, provide 12 spare sprinkler heads.

  3. For systems with over 1,000 sprinklers, provide 24 spare sprinkler heads.

These spare sprinkler heads shall correspond to the type and temperature ratings of the sprinkler heads in the system. These sprinkler heads shall be kept in a cabinet mounted in the vicinity of the sprinkler control valve or other approved location if the control valve is outside the building. A wrench suitable for the removal and installation of all sprinkler heads used shall be kept in the cabinet.

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SEC. 57.903.1.2.1. PENALTIES AND MINIMUM FINES.

Violation of Section 57.903.1.2 shall be subject to penalties and minimum fines as prescribed in Section 57.110.4 and Table 57.110.4.

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SEC. 57.903.3.10. ACCESS AISLES AND OPERATING CLEARANCES.

A minimum operating clearance of 18 inches shall be provided around automatic sprinkler and standpipe control valves and Fire Department inlet connections.

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SEC. 57.903.3.10.1. PENALTIES AND MINIMUM FINES.

Violation of Section 57.903.3.10 shall be subject to penalties and minimum fines as prescribed in Section 57.110.4 and Table 57.110.4.

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SEC. 57.903.3.11. SPRINKLER PIPING.

Sprinkler piping shall not be used to support ladders, stock, ropes, guy wires, electrical wires, extension cords, decorative material, or any other type of material.

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SEC. 57.903.3.12. INLET CONNECTION SIGNS.

All Fire Department sprinkler and standpipe inlet connections shall be provided with approved signs indicating the type of system and the area served. Signs shall be securely attached to the building adjacent to the inlet connections. Signs shall be not less than 8 inches in width and 4 inches in height.

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SEC. 57.903.3.12.1. PENALTIES AND MINIMUM FINES.

Violation of Section 57.903.3.12 shall be subject to penalties and minimum fines as prescribed in Section 57.110.4 and Table 57.110.4.

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SEC. 57.903.3.13. SYSTEM IDENTIFICATION SIGNS.

Automatic sprinkler systems, standpipe systems, fire pumps, and risers shall be provided and maintained with identification signs for all control, drain, test, and alarm valves. Signs shall be of the standard design approved by the Chief. Directional arrows shall be provided to indicate water flow on fire pumps and risers.

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SEC. 57.903.3.13.1. PENALTIES AND MINIMUM FINES.

Violation of Section 57.903.3.13 shall be subject to penalties and minimum fines as prescribed in Section 57.110.4 and Table 57.110.4.

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SEC. 57.903.4.4. SECURITY.

Automatic sprinkler and standpipe supply valves shall be of the indicating type and shall be secured in the open position to prevent tampering. Only tamper switches and/or non-hardened chains and locks approved by the Chief shall be used.

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SEC. 57.903.4.4.1. PENALTIES AND MINIMUM FINES.

Violation of Section 57.903.4.4 shall be subject to penalties and minimum fines as prescribed in Section 57.110.4 and Table 57.110.4.

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SEC. 57.903.5.1. DAMAGED HEADS.

Sprinkler heads shall be replaced if painted, corroded, damaged, or otherwise determined to be ineffective.

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SEC. 57.903.5.2. USE OF SPRINKLER SYSTEM FOR HANGING OR SUPPORT.

Sprinkler heads shall not be used to hang or support anything from them.

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SEC. 57.903.5.3. SPRINKLER GUARDS REQUIRED.

Sprinkler heads which are in a location where they may be damaged shall be protected with approved sprinkler guards.

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SEC. 57.903.5.4. SPRINKLER HEADS IN SPRAYING AREAS.

Sprinkler heads located in spray rooms, spray booths, spray tunnels, or in spraying areas shall be clean and protected from overspray residue. Polyethylene or cellophane bags having a thickness of .003 inch or less or paper bags of a similar thickness may be used to protect heads from overspray. Such bags shall be replaced periodically to prevent the excessive buildup of overspray.

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SEC. 57.903.5.5. PENALTIES AND MINIMUM FINES.

Violation of Sections 57.903.5.1 through 57.903.5.4 shall be subject to penalties and minimum fines as prescribed in Section 57.110.4 and Table 57.110.4.

Exceptions & meaning →

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