4805 Fire-Extinguishing Systems — 2025 California Fire Code

All existing sound stages and approved production facilities equipped with an automatic fire sprinkler system shall be maintained in accordance with the provisions in Chapter 9.

All new sound stages shall be equipped with an approved automatic fire sprinkler system. The system shall be installed in accordance with the provisions in Chapter 9 and shall meet the minimum design requirements of an Extra Hazard, Group 2 system.

All interior solid-ceiling sets over 600 square feet (55.7 m [2] ) in area, and platforms (when provided) over 600 square feet (55.7 m [2] ) in area and which exceed 3 feet (914 mm) in height shall be protected by one of the following:

1. An approved and listed heat detector system. Heat detectors shall be spaced 30 feet (9144 mm) on center or as required by the manufacturer’s installation instructions. Detectors shall be connected to an approved and listed central, proprietary or remote station service or a local alarm, which will give an audible signal at a constantly attended location. Such system shall be installed in accordance with Chapter 9.

2. The ceiling shall be positioned to allow for the operation of the building’s automatic fire sprinkler system after rehearsal, video- taping, filming or broadcasting of programs has been completed for the day.

3. An approved fire watch.

4. Special hazards shall be reviewed by the fire code official (see Additional Fire Protection Systems, Section 901.4.3).