Fire Sprinkler Requirements

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Fire sprinkler requirements in the California Fire Code have been amended by local ordinance. Amended sections listed below apply to all municipalities within the Fire District with the exception of The Town of Danville. For all projects within the Town of Danville the requirements of the Fire Code apply.

Section 902

Substantial Remodel. In existing buildings, any alteration that causes additional floor area that is more than fifty percent (50%) of the existing floor area and where the total floor area exceeds 5000 square feet.

Section 903

903.1 General. Automatic sprinkler systems shall comply with this section. For the purposes of this section, fire walls shall not be considered as creating separate buildings. An automatic sprinkler system shall be provided for all new buildings with a gross floor area that exceeds 5000 square feet and in the locations set forth in Section 903.
EXCEPTION: Group U occupancies.

903.2.1.1 Group A-1. An automatic sprinkler system shall be provided for fire areas containing Group A-1 occupancies and intervening floors of the building where one of the following conditions exists:
1. The fire area exceeds 5000 square feet.

903.2.1.3 Group A-3. An automatic sprinkler system shall be provided for fire areas containing Group A-3 occupancies and intervening floors of the building where one of the following conditions exists:
1. The fire area exceeds 5000 square feet.

903.2.1.4 Group A-4. An automatic sprinkler system shall be provided for fire areas containing Group A-4 occupancies and intervening floors of the building where one of the following conditions exists:
1. The fire area exceeds 5000 square feet

903.2.2.1 Group B. An automatic sprinkler system shall be provided for fire areas containing Group B occupancies and intervening floors of the building where one of the following conditions exist:
1. The fire area exceeds 5,000 square feet.

903.2.3 Group E. An automatic sprinkler system shall be provided for Group E occupancies as follows:
1. Throughout all Group E fire areas greater than 5,000 square feet in area.

903.2.4 Group F-1. An automatic sprinkler system shall be provided throughout all buildings containing a Group F-1 occupancy where one of the following conditions exists:
1. A Group F-1 fire area exceeds 5,000 square feet.

903.2.7 Group M. An automatic sprinkler system shall be provided throughout buildings containing a Group M occupancy where one of the following conditions exists:
1. A Group M fire area exceeds 5,000 square feet.

903.2.9 Group S-1. An automatic sprinkler system shall be provided throughout all buildings containing a Group S-1 occupancy where one of the following conditions exists:
1. A Group S-1 fire area exceeds 5,000 square feet

903.2.9.1 Repair garages. An automatic sprinkler system shall be provided throughout all buildings used as repair garages in accordance with Section 406.8 of the California Building Code, as shown:
1. Buildings with a fire area containing a repair garage exceeding 5,000 square feet.

903.2.10 Group S-2 enclosed parking garages. An automatic sprinkler system shall be provided throughout buildings classified as enclosed parking garages in accordance with Section 406.4 of the California Building Code as follows:
1. Where the fire area of the enclosed parking garage exceeds 5,000 square feet

Section 903.3.1.1.3

903.3.1.1.3 Undeclared Use and Tenant Space. In buildings of undeclared use or with tenant space areas; the fire sprinkler system may be required to be designed to conform to the design density of the most hazardous occupancy use allowed within the building. Where a subsequent occupancy requires a system with greater capability, it shall be the responsibility of the owner and/or the occupant to upgrade the system.

Section 903.6.1

903.6.1 Substantial Remodel. In an existing building, if a substantial remodel occurs the entire building shall be protected by an automatic sprinkler system in accordance with section 903.

Section 903.6.1.1

903.6.1.1 Substantial Remodel, Group R-3. An automatic sprinkler system shall be provided throughout all existing Group R-3 dwellings where a substantial remodel occurs or where the gross floor area of the building exceeds 8,000 square feet.
EXCEPTION: When additional floor area does not exceed 1000 square feet.