Section 903.2 of the California Fire Code is amended to read as follows:
903.2 Automatic sprinkler systems, where required. Approved automatic sprinkler systems in new buildings and structures and in existing modified buildings and structures, shall be provided in the locations described in this section. Automatic fire sprinklers shall be installed per the requirements set forth in Sections 903.2.1 through 903.2.18 and as follows, whichever is the more restrictive:
1. An automatic sprinkler system shall be provided throughout all new buildings and structures.
Exception: New non-residential occupancies, buildings or structures that do not exceed 350 square feet of building area and contain no interior plumbing fixtures.
2. An automatic sprinkler system shall be provided throughout all existing buildings when modifications are made that create conditions described in Sections 903.2.1 through 903.2.18, or that create an increase in fire area to more than 3,600 square feet or when the addition is equal or greater than 50% of the existing building square footage whichever is more restrictive.
3. An automatic sprinkler system shall be provided throughout all new or altered basements used for storage/utility/ occupancy or habitable space regardless of size and throughout existing basements that are expanded by more than 50%. If the addition or alteration is only the basement, then only the basement is required to be fire sprinkler protected.
4. An automatic sprinkler system shall be installed throughout when either the roof structure and/or exterior wall structure have been removed, altered and/or replaced in at least 50% of the existing structure.
5. An automatic sprinkler system shall be installed throughout when any change in use or occupancy creates a more hazardous fire/life safety condition, as determined by the Fire Chief.
Exception: Spaces or areas in telecommunications buildings used exclusively for telecommunications equipment, associated electrical power distribution equipment, batteries and standby engines, provided that those spaces or areas are equipped throughout with an automatic smoke detection system in accordance with Section 907.2 and are separated from the remainder of the building by not less than 1-hour fire barriers constructed in accordance with Section 707 or not less than 2-hour horizontal assemblies constructed in accordance with Section 711, or both.
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(Ord. 5563 §1 (part), 2022)