760.180 System Requirements.
San Francisco Building Inspection Commission Codes · 2022 edition · ingested 2026-07-08 · San Francisco
760.180 System Requirements.
(A) Supervising Station Fire Alarm Systems. Supervising station fire alarm system wiring installed within or on buildings shall be installed in metallic race ways.
Exception: Communication conductors installed entirely within a dedicated telephone equipment room, switchboard area or fire control room.
(B) Source of Power. Circuits supplying fire alarm control units that are not monitored by an approved supervising station, or a constantly attended location approved by the fire code official shall be connected to either the line or load side of the service disconnect. Circuits shall be protected by means of an externally operated fused safety switch or a circuit breaker either in a separate enclosure or within a switchboard entirely separate from other circuit breakers. The switch and/or circuit breaker shall be clearly labeled and locked in the on position.
Informational Note: See CEC (2016) 760.41 & 760.121; CBC (2016) 903.4; NFPA 72 (2016) 10.5.3; NFPA 13 (2016) 6.8.4.1
Chapter 8. Communications S stems y
No San Francisco Electrical Code Amendments
No San Francisco Electrical Code Amendments
Chapter 9. Tables
EXISTING BUILDING CODE 2022 Edition
[Includes legislation adopted by the Board of Supervisors through Ordinance 70-25, adopted May 9, 2025, and
effective June 9, 2025.]
Copyright © 2023
by
THE CITY AND COUNTY OF SAN FRANCISCO
A Municipal Corporation
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PUBLISHER’S NOTE
The full 2022 San Francisco Existing Building Code consists of the 2022 California Existing Building Code, and as further amended by these San Francisco amendments.
The San Francisco Existing Building Code amendments contained herein are designed to be used in conjunction with the 2022 California Existing Building Code.
The San Francisco Existing Building Code amendments contained herein were adopted by the Board of Supervisors of the City and County of San Francisco on November 10, 2022, by Ordinance 226-22, effective December 11, 2022, and operative on January 1, 2023.
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2022 San Francisco Amendments
Complete
San Francisco
Existing Building Code
Note that prior to the 2016 revision of the Building Inspection Commission Codes, San Francisco’s existing building requirements were published as Chapter 34 of the San Francisco Building Code.
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PREFACE
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To further simplify use of the San Francisco amendments with corresponding sections of the 2022 California Code, explanatory remarks appearing in italics are provided (in boxes at the beginning of affected provisions) indicating whether the San Francisco amendment to the California Code is adding, revising, or replacing a section or portion of a section.
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Chapter 1
No San Francisco Amendments.
SCOPE AND ADMINISTRATION Chapter 2 DEFINITIONS
| SECTION 202 – GENERAL DEFINITIONS | Col2 | Col3 |
|---|---|---|
New Ordinance Notice
Publisher's Note: This section has been AMENDED by new legislation (Ord. 174-25, approved 9/9/2025, effective 10/10/2025). The text of the amendment will be incorporated when the amending legislation is operative.
Revise this definition as follows:
SUBSTANTIAL STRUCTURAL ALTERATION. An alteration in which the gravity load-carrying structural elements altered [ ← ] since the original construction support more than 30 percent of the total floor and roof area of the building or structure. The areas to be counted toward the 30 percent shall include mezzanines, penthouses, and in-filled courts and shafts tributary to the altered structural elements.