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CHART 907
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OCCUPANCY
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REQUIREMENTS FOR FIRE ALARM
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All Except R3 and U
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Atriums connecting more than two floors.
Lowest level of structure greater than sixty feet below grade.
Covered mall buildings.
Retroactive – IFC 1103.7.
Central monitoring for fire sprinkler systems with a minimum of one notification device, one manual pull station, and one smoke detector is required.
Smoke detection required in common areas and interior corridors used for required exits in occupancies required to have automatic fire alarm.
Heat detectors are not required in spaces provided with quick response sprinklers in occupancies required to have automatic fire alarm.
Special areas to be protected are required to have fire alarm in occupancies required to have automatic fire alarm – See SMC 17F.080.090.
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Greater than seventy-five feet to floor
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Tenant spaces exceeding one thousand square feet.
Voice notification is required.
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Daycares
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Less than or equal to fifty children – Single station smoke detection is required.
Greater than fifty children to ninety-nine – Automatic.
Voice notification is required if more than ninety-nine occupants
Manual pull stations required at all exits of state licensed facilities.
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A1, A2, A3, A4, A5
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Automatic if not provided with fire sprinklers, manual if provided with fire sprinklers: greater than or equal to three hundred people or more than one hundred persons above or below the lowest level of exit discharge.
Voice notification is required if occupancy is greater than or equal to one thousand people.
No manual pull stations required if fully sprinklered.
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B
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Automatic if greater than or equal to five hundred people.
Automatic if greater than or equal to one hundred people above or below exit level.
No manual pull stations required if fully sprinklered.
Area contains Group B Ambulatory health care.
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E
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Fifty-one or more occupants.
Voice notification is required if more than one hundred occupants.
Exception for manual pulls (907.2.3).
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F1, F2
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Automatic if greater than five hundred persons above or below exit level.
No manual pull stations required if fully sprinklered.
Automatic is required when occupancy is two or more stories in height.
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H1, H2, H3, H4
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Not required unless other requirements apply.
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H5
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Manual.
Automatic for highly toxic gases, organic peroxides and oxidizers.
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I1, I2, I3, I4
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Automatic.
Manual pulls may be at staff-attended location.
Sleeping areas required to have single or multiple station smoke detection.
Manual pull stations required at all exits of State Licensed I4.
Automatic required in I4 occupancies with fifty one or more occupants.
Voice notification required in I4 occupancies with more than one hundred occupants.
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M
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Automatic if greater than or equal to five hundred people.
Automatic if greater than or equal to one hundred people above or below exit level.
Automatic if greater than twelve thousand square feet.
No manual pull stations required if fully sprinklered.
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R1, R2
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Automatic – Five or more units/guest rooms.
Not required for less than three levels with each unit having independent (not shared) direct exit to exterior.
One manual pull station per exit stair required if not fully sprinklered.
ADA Type A units will be provided with accessible communications features.
ADA Type B units will be pre-wired for building notification.
Audible signal low frequency in sleeping rooms complying with 907.5.2.1.3 of the 2021 International Fire Code.
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R3
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Single station smoke detection in sleeping areas and in hallways outside of sleeping areas.
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S1, S2
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Manual fire alarm required in Group S public and self-storage occupancies three stories or greater for interior corridors and interior common areas.
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