San Francisco Building Inspection Commission Codes Ch. 9 Fire Protection [ ← ]

The arrow represents the location of language that has been deleted by San Francisco from the applicable California Code.

The arrow represents the location of language that has been deleted by San Francisco from the applicable California Code. SYSTEMS

SECTION 901 – GENERAL

901.4 Add a second paragraph as follows:

Notwithstanding any other provisions of the California Building Code or other codes or regulations, Fire Department connections shall have 3-inch (76.2 mm) National Standard hose threads.

SECTION 903 – AUTOMATIC SPRINKLER SYSTEMS

903.2.8 Add exception 5 as follows:

5. An automatic residential fire sprinkler system shall not be required when additions or alterations are made to existing townhouses, one- and two- family dwellings not more than three stories above grade plane that do not have an automatic residential fire sprinkler system installed. [California Residential Code Sections R101.2, R309.1, R309.2] Table 903.2.11.6 Add a line to the end of the Table as follows:

TABLE 903.2.11.6

ADDITIONAL REQUIRED [ ← ]

The arrow represents the location of language that has been deleted by San Francisco from the applicable California Code.

SUPPRESSION SYSTEMS

SECTION 907 – FIRE ALARM AND DETECTION SYSTEMS

907.2.9.1 Revise Item 3 and Item 4 as follows:

3. The building contains more than [ ← ]

The arrow represents the location of language that has been deleted by San Francisco from the applicable California Code.

• 6 dwelling units or sleeping units.

4. Congregate living facilities or congregate residences [ ← ]

The arrow represents the location of language that has been deleted by San Francisco from the applicable California Code.

three or more stories in height or having an occupant load of 11 or more.

907.2.9 Add the following section:

907.2.9.5 Automatic smoke detection system. An automatic smoke detection system that activates the occupant notification system in accordance with Section 907.5 shall be installed throughout all interior corridors serving sleeping units.

Exceptions:

1. An automatic smoke detection system is not required in buildings that do not have interior corridors serving sleeping units and where each sleeping unit has a means of egress door opening directly to an exit or to an exterior exit access that leads directly to an exit.

2. An automatic smoke detection system is not required in buildings when all of the following conditions are met:

• 2.1. The building is equipped throughout with a supervised automatic sprinkler system installed in accordance with Section 903.3.1.1 or 903.3.1.2.

• 2.2. The notification devices will activate upon sprinkler water flow; and

• 2.3. At least one manual pull station is installed in an approved location.

• 907.2.11.2 Add the following section:

907.2.11.2.7 Group R-3 Congregate Living Facilities. Group R-3 congregate living facilities having an occupant load of 6 or more shall be provided with a manual fire alarm system.

SECTION 912 – FIRE DEPARTMENT CONNECTIONS

912 Add the following section:

912.7 Number of connections required. Sprinkler systems requiring a 4-inch (101.6 mm) or larger water service shall have two or more inlet connections as necessary to meet hydraulic demand.