Fire protection systems shall be inspected, tested and maintained in accordance with the referenced standards listed in Table 901.6.1.
|Portable fire extinguishers||NFPA 10|
|Carbon dioxide fire-extinguishing system||NFPA 12|
|Halon 1301 fire-extinguishing systems||NFPA 12A|
|Dry-chemical extinguishing systems||NFPA 17|
|Wet-chemical extinguishing systems||NFPA 17A|
|Water-based fire protection systems||NFPA 25|
|Fire alarm systems||NFPA 72|
|Water-mist systems||NFPA 750|
|Clean-agent extinguishing systems||NFPA 2001|
Where utilized, fire watches shall be provided with at least one approved means for notification of the fire department and their only duty shall be to perform constant patrols of the protected premises and keep watch for fires. In the event that the fire watch observes smoke or fire, the fire department shall be notified immediately. The fire department shall be notified upon the return of the system to service.
- An adequate number of fire watch personnel shall be on duty to ensure that all areas of a property are inspected every 30 minutes. In multi-story buildings there shall be at least one fire watch for every five floors.
- At the beginning of the fire watch, fire watch personnel shall notify occupants of the temporary means by which they will be notified of the need to evacuate.
- Fire watch personnel shall inspect for smoke and fire, and when found, immediately notify the fire department (by telephone or through communication by portable radio to a constantly attended location from which notification to the fire department can be made) and conduct the evacuation of the property. A compressed air horn or other loud sounding device shall be used to alert occupants to evacuate the building if the fire alarm system is out of service.
- Fire watch personnel shall carry a flashlight where areas of the building are not lighted.
- Fire watch personnel shall be trained in their duties in accordance with Section 406.3.
- A log shall be maintained of fire watch activities, including patrols of assigned areas.
Preplanned impairments shall be authorized by the impairment coordinator. Before authorization is given, a designated individual shall be responsible for verifying that all of the following procedures have been implemented:
- The extent and expected duration of the impairment have been determined.
- The areas or buildings involved have been inspected and the increased risks determined.
- Recommendations have been submitted to management or building owner/manager.
- The fire department has been notified.
- The insurance carrier, the alarm company, building owner/manager, and other authorities having jurisdiction have been notified.
- The supervisors in the areas to be affected have been notified.
- A tag impairment system has been implemented.
- Necessary tools and materials have been assembled on the impairment site.
When impaired equipment is restored to normal working order, the impairment coordinator shall verify that all of the following procedures have been implemented:
- Necessary inspections and tests have been conducted to verify that affected systems are operational.
- Supervisors have been advised that protection is restored.
- The fire department has been advised that protection is restored.
- The building owner/manager, insurance carrier, alarm company and other involved parties have been advised that protection is restored.
- The impairment tag has been removed.
- Master Plumber (9-1003)
- Contractor (9-1004)
- Fire Suppression System Contractor (9-1005)
- Electrical Contractor (9-1006)
- Associated Air Balance Council (AABC);
- Testing & Balancing Bureau (TABB);
- National Environmental Balancing Bureau (NEBB); or
- National Balancing Council (NBC).
The following words and terms shall, for the purposes of this chapter and as used elsewhere in this code, have the meanings shown herein.
ALARM NOTIFICATION APPLIANCE. A fire alarm system component such as a bell, horn, speaker, light or text display that provides audible, tactile or visible outputs, or any combination thereof.
ALARM SIGNAL. A signal indicating an emergency requiring immediate action, such as a signal indicative of fire.
ALARM VERIFICATION FEATURE. A feature of automatic fire detection and alarm systems to reduce unwanted alarms wherein smoke detectors report alarm conditions for a minimum period of time, or confirm alarm conditions within a given time period, after being automatically reset, in order to be accepted as a valid alarm-initiation signal.
ANNUNCIATOR. A unit containing one or more indicator lamps, alphanumeric displays or other equivalent means in which each indication provides status information about a circuit, condition or location.
AUDIBLE ALARM NOTIFICATION APPLIANCE. A notification appliance that alerts by the sense of hearing.
AUTOMATIC. As applied to fire protection devices, a device or system providing an emergency function without the necessity for human intervention and activated as a result of a predetermined temperature rise, rate of temperature rise or combustion products.
AUTOMATIC SMOKE DETECTION SYSTEM. A fire alarm system that has initiation devices that utilize smoke detectors for protection of an area such as a room or space with detectors to provide early warning of fire.
AUTOMATIC SPRINKLER SYSTEM. An automatic sprinkler system, for fire protection purposes, is an integrated system of underground and overhead piping designed in accordance with fire protection engineering standards. The system includes a suitable water supply. The portion of the system above the ground is a network of specially sized or hydraulically designed piping installed in a structure or area, generally overhead, and to which automatic sprinklers are connected in a systematic pattern. The system is usually activated by heat from a fire and discharges water over the fire area.
AVERAGE AMBIENT SOUND LEVEL. The root mean square, A-weighted sound pressure level measured over a 24-hour period, or the time any person is present, whichever time period is less.
CARBON DIOXIDE EXTINGUISHING SYSTEM. A system supplying carbon dioxide (CO2) from a pressurized vessel through fixed pipes and nozzles. The system includes a manual- or automatic-actuating mechanism.
CLEAN AGENT. Electrically nonconducting, volatile or gaseous fire extinguishant that does not leave a residue upon evaporation.
CONSTANTLY ATTENDED LOCATION. A designated location at a facility staffed by trained personnel on a continuous basis where alarm or supervisory signals are monitored and facilities are provided for notification of the fire department or other emergency services.
DELUGE SYSTEM. A sprinkler system employing open sprinklers attached to a piping system connected to a water supply through a valve that is opened by the operation of a detection system installed in the same area as the sprinklers. When this valve opens, water flows into the piping system and discharges from all sprinklers attached thereto.
DETECTOR, HEAT. A fire detector that senses heat, either abnormally high temperature or rate of rise, or both.
DRY-CHEMICAL EXTINGUISHING AGENT. A powder composed of small particles, usually of sodium bicarbonate, potassium bicarbonate, urea-potassium-based bicarbonate, potassium chloride or monoammonium phosphate, with added particulate material supplemented by special treatment to provide resistance to packing, resistance to moisture absorption (caking) and the proper flow capabilities.
ELEVATOR GROUP. A grouping of elevators in a building located adjacent or directly across from one another that respond to a common hall call button(s).
EMERGENCY ALARM SYSTEM. A system to provide indication and warning of emergency situations involving hazardous materials.
EMERGENCY VOICE/ALARM COMMUNICATIONS. Dedicated manual or automatic facilities for originating and distributing voice instructions, as well as alert and evacuation signals pertaining to a fire emergency, to the occupants of a building.
FIRE ALARM CONTROL UNIT. A system component that receives inputs from automatic and manual fire alarm devices and may be capable of supplying power to detection devices and transponder(s) or off-premises transmitter(s). The control unit may be capable of providing a transfer of power to the notification appliances and transfer of condition to relays or devices.
FIRE ALARM SIGNAL. A signal initiated by a fire alarm- initiating device such as a manual fire alarm box, automatic fire detector, waterflow switch or other device whose activation is indicative of the presence of a fire or fire signature.
FIRE ALARM SYSTEM. A system or portion of a combination system consisting of components and circuits arranged to monitor and annunciate the status of fire alarm or supervisory signal-initiating devices and to initiate the appropriate response to those signals.
[B] FIRE AREA. The aggregate floor area enclosed and bounded by fire walls, fire barriers, exterior walls or horizontal assemblies of a building. Areas of the building not provided with surrounding walls shall be included in the fire area if such areas are included within the horizontal projection of the roof or floor next above.
FIRE DETECTOR, AUTOMATIC. A device designed to detect the presence of a fire signature and to initiate action.
FIRE PROTECTION SYSTEM. Approved devices, equipment and systems or combinations of systems used to detect a fire, activate an alarm, extinguish or control a fire, control or manage smoke and products of a fire or any combination thereof.
FIRE SAFETY FUNCTIONS. Building and fire control functions that are intended to increase the level of life safety for occupants or to control the spread of the harmful effects of fire.
[B] FIXED BASE OPERATOR (FBO). A commercial business granted the right by the airport sponsor to operate on an airport and provide aeronautical services such as fueling, hangaring, tie-down and parking, aircraft rental, aircraft maintenance and flight instruction.
FOAM-EXTINGUISHING SYSTEM. A special system discharging a foam made from concentrates, either mechanically or chemically, over the area to be protected.
HALOGENATED EXTINGUISHING SYSTEM. A fire-extinguishing system using one or more atoms of an element from the halogen chemical series: fluorine, chlorine, bromine and iodine.
IMPAIRMENT COORDINATOR. The person responsible for the maintenance of a particular fire protection system.
INITIATING DEVICE. A system component that originates transmission of a change-of-state condition, such as in a smoke detector, manual fire alarm box, or supervisory switch.
MANUAL FIRE ALARM BOX. A manually operated device used to initiate an alarm signal.
MULTIPLE-STATION ALARM DEVICE. Two or more single-station alarm devices that can be interconnected such that actuation of one causes all integral or separate audible alarms to operate. It also can consist of one single-station alarm device having connections to other detectors or to a manual fire alarm box.
MULTIPLE-STATION SMOKE ALARM. Two or more single-station alarm devices that are capable of interconnection such that actuation of one causes the appropriate alarm signal to operate in all interconnected alarms.
NOTIFICATION ZONE. See "Zone, notification."
NUISANCE ALARM. An alarm caused by mechanical failure, malfunction, improper installation or lack of proper maintenance, or an alarm activated by a cause that cannot be determined.
RECORD DRAWINGS. Drawings ("as builts") that document the location of all devices, appliances, wiring, sequences, wiring methods and connections of the components of a fire alarm system as installed.
SINGLE-STATION SMOKE ALARM. An assembly incorporating the detector, the control equipment and the alarm-sounding device in one unit, operated from a power supply either in the unit or obtained at the point of installation.
[B] SLEEPING UNIT. A room or space in which people sleep, which can also include permanent provisions for living, eating, and either sanitation or kitchen facilities but not both. Such rooms and spaces that are also part of a dwelling unit are not sleeping units.
SMOKE ALARM. A single- or multiple-station alarm re- sponsive to smoke.
SMOKE DETECTOR. A listed device that senses visible or invisible particles of combustion.
STANDPIPE SYSTEM, CLASSES OF. Standpipe classes are as follows:
Class I system. A system providing 21/2-inch (64 mm) hose connections to supply water for use by fire departments and those trained in handling heavy fire streams.
Class II system. A system providing 11/2-inch (38 mm) hose stations to supply water for use primarily by the building occupants or by the fire department during initial response.
Class III system. A system providing 11/2-inch (38 mm) hose stations to supply water for use by building occupants and 21/2-inch (64 mm) hose connections to supply a larger volume of water for use by fire departments and those trained in handling heavy fire streams.
STANDPIPE, TYPES OF. Standpipe types are as follows:
Automatic dry. A dry standpipe system, normally filled with pressurized air, that is arranged through the use of a device, such as a dry pipe valve, to admit water into the system piping automatically upon the opening of a hose valve. The water supply for an automatic dry standpipe system shall be capable of supplying the system demand.
Automatic wet. A wet standpipe system that has a water supply that is capable of supplying the system demand automatically.
Manual dry. A dry standpipe system that does not have a permanent water supply attached to the system. Manual dry standpipe systems require water from a fire department pumper to be pumped into the system through the fire department connection in order to supply the system demand.
Manual wet. A wet standpipe system connected to a water supply for the purpose of maintaining water within the system but which does not have a water supply capable of delivering the system demand attached to the system. Manual wet standpipe systems require water from a fire department pumper (or the like) to be pumped into the system in order to supply the system demand.
Semiautomatic dry. A dry standpipe system that is arranged through the use of a device, such as a deluge valve, to admit water into the system piping upon activation of a remote control device located at a hose connection. A remote control activation device shall be provided at each hose connection. The water supply for a semiautomatic dry standpipe system shall be capable of supplying the system demand.
SUPERVISING STATION. A facility that receives signals and at which personnel are in attendance at all times to respond to these signals.
SUPERVISORY SERVICE. The service required to monitor performance of guard tours and the operative condition of fixed suppression systems or other systems for the protection of life and property.
SUPERVISORY SIGNAL. A signal indicating the need of action in connection with the supervision of guard tours, the fire suppression systems or equipment, or the maintenance features of related systems.
SUPERVISORY SIGNAL-INITIATING DEVICE. An initiating device such as a valve supervisory switch, water level indicator, or low-air pressure switch on a dry-pipe sprinkler system whose change of state signals an off-normal condition and its restoration to normal of a fire protection or life safety system; or a need for action in connection with guard tours, fire suppression systems or equipment, or maintenance features of related systems.
TIRES, BULK STORAGE OF. Storage of tires where the area available for storage exceeds 20,000 cubic feet (566 m3).
TROUBLE SIGNAL. A signal initiated by the fire alarm system or device indicative of a fault in a monitored circuit or component.
VISIBLE ALARM NOTIFICATION APPLIANCE. A notification appliance that alerts by the sense of sight.
WIRELESS PROTECTION SYSTEM. A system or a part of a system that can transmit and receive signals without the aid of wire.
ZONE. A defined area within the protected premises. A zone can define an area from which a signal can be received, an area to which a signal can be sent or an area in which a form of control can be executed.
ZONE, NOTIFICATION. An area within a building or facility covered by notification appliances which are activated simultaneously.
- Basements containing no occupancy or storage, excluding permanently installed building service equipment, but not excluding oil cooled electrical equipment.
- Group R-3 and Group U occupancies.
- Basements with openings meeting one of the following conditions:
- Doorway openings below grade that lead directly to ground level by an exterior stairway or outside ramp. The door openings shall be located in each 50 linear feet (15 240 mm), or fraction thereof, of exterior wall in the story on at least one side. The required openings shall be distributed such that the linear distance between adjacent openings does not exceed 50 feet (15 240mm), and all portions of the basement are located within 75 feet (22 860 mm) of a door opening.
- Openings entirely above the adjoining ground level totaling at least 20 square feet (1.86 m2) in each 50 linear feet (15 240 mm), or fraction thereof, of the exterior wall in the story on at least one side. The required openings shall be distributed such that the lineal distance between adjacent openings does not exceed 50 feet (15 240 mm) and all portions of the basement are located within 75 feet (22 860 mm) of an opening. The openings shall have a minimum dimension of not less than 30 inches (762 mm).
- Doorway openings with doors of metal or wood.
- Doorway or other openings covered by any of the following materials:
- Wood not exceeding 3/4 inches (1905 mm) in thickness.
- Glass, Plexiglas, fiberglass or plastic not exceeding 1/4 inch (6 mm) in thickness.
- Metal sheeting not exceeding 1/8 inch (3 mm) in thickness.
- Basements in accordance with Section F-903.2.2 and F-903.2.7.
- Rooms used for storage where the floor area exceeds 120 square feet (11 m2).
- Trash and incinerator chutes and rooms.
Exception to Item 3: In buildings where an automatic fire extinguishing system is not required throughout the building and where the trash chute access room or compartment is completely enclosed by fire barriers having a fire resistance rating of not less than one hour and is not used for the temporary or permanent storage of combustible materials, the automatic fire extinguishing system is not required in the access room or compartment.
- The level of exit discharge.
- A written description of the methods and schedule for compliance with this Section.
- A site plan prepared by a registered design professional indicating that the fire separation distance of all exterior walls of the building are 5 feet (1524 mm) or greater and therefore the building is not subject to this Section.
- An elevation plan prepared by a registered design professional indicating that the existing building does not have one or more occupied floors located 45 feet (13 716 mm) or more above the lowest level of fire department vehicle access.
- A statement sealed by a registered design professional indicating that the existing building meets an exception for occupancy and therefore the building is not subject to this Section.
- Proof that automatic sprinklers were previously installed in the areas required by this Section and have been certified pursuant to Section 915.
- For up to four fryers having a maximum cooking medium capacity of 80 pounds (36.3 kg) each: One Class K portable fire extinguisher of a minimum 1.5 gallon ( 6 L) capacity.
- For every additional group of four fryers having a maximum cooking medium capacity of 80 pounds (36.3 kg) each: One additional Class K portable fire extinguisher of a minimum 1.5 gallon (6 L) capacity shall be provided.
- For individual fryers exceeding 6 square feet (0.55 m2) in surface area: Class K portable fire extinguishers shall be installed in accordance with the extinguisher manufacturer's recommendations.
Fusible links and automatic sprinkler heads shall be replaced at least annually, and other protection devices shall be serviced or replaced in accordance with the manufacturer's instructions.
- In existing buildings having the highest occupied floors located not more than 75 feet (22 860 mm) above the lowest level of fire department vehicle access, Class I standpipe systems are permitted to be manual wet systems.
- Standpipe systems installed prior to January 1, 1995, that provide a residual pressure of 65 psi (448 kPa) or greater at the most remote hose connection are exempt from the requirement to provide a residual pressure of 100 psi (690 kPa) at the most remote hose connection.
- Standpipe systems with a residual pressure of less than 100 psi (690 kPa) at the most remote hose connection are permitted, provided that the pressure is sufficient to fill the system and the building is in accordance with Conditions 3.1 through 3.3.
- The building existed prior to January 1, 2004.
- The building is equipped throughout with an automatic fire extinguishing system.
- The floor level of the highest floor is not more than 150 feet (45 720 mm) above the lowest level of fire department vehicle access.
- In new and existing Group A, B, E, F, H, I, M, R-1, R-2, R-4 and S occupancies.
Exception: In new and existing Group A, B and E occupancies equipped throughout with quick-response sprinklers, portable fire extinguishers shall be required only in locations specified in Items 2 through 6.
- Within 30 feet (9144 mm) of commercial cooking equipment.
- In areas where flammable or combustible liquids are stored, used or dispensed.
- On each floor of structures under construction, except Group R-3 occupancies, in accordance with Section 1415.1.
- Where required by the sections indicated in Table 906.1.
- Special-hazard areas, including but not limited to laboratories, computer rooms and generator rooms, where required by the fire code official.
Powered industrial trucks
Aircraft towing vehicles
Aircraft welding apparatus
Aircraft fuel-servicing tank vehicles
Aircraft hydrant fuel-servicing vehicles
Aircraft fuel-dispensing stations
Heliports and helistops
Dry cleaning plants
Buildings under construction or demolition
Exterior lumber storage
Motor fuel-dispensing facilities
Marine motor fuel-dispensing facilities
Tents and membrane structures
Welding and other hot work
Flammable and combustible liquids, general
Indoor storage of flammable and combustible liquids
Liquid storage rooms for flammable and combustible liquids
Solvent distillation units
Farms and construction sites—flammable and combustible liquids storage
Bulk plants and terminals for flammable and combustible liquids
Commercial, industrial, governmental or manufacturing establishments—fuel dispensing
Tank vehicles for flammable and combustible liquids
- The travel distance to reach an extinguisher shall not apply to the spectator seating portions of Group A-5 occupancies.
- Thirty-day inspections shall not be required and maintenance shall be allowed to be once every three years for dry-chemical or halogenated agent portable fire extinguishers that are supervised by a listed and approved electronic monitoring device, provided that all of the following conditions are met:
- Electronic monitoring shall confirm that extinguishers are properly positioned, properly charged and unobstructed.
- Loss of power or circuit continuity to the electronic monitoring device shall initiate a trouble signal.
- The extinguishers shall be installed inside of a building or cabinet in a noncorrosive environment.
- Electronic monitoring devices and supervisory circuits shall be tested every three years when extinguisher maintenance is performed.
- A written log of required hydrostatic test dates for extinguishers shall be maintained by the owner to verify that hydrostatic tests are conducted at the frequency required by NFPA 10.
- In Group I-3, portable fire extinguishers shall be permitted to be located at staff locations.
|ORDINARY (Moderate) HAZARD OCCUPANCY||EXTRA
|Minimum Rated Single Extinguisher||2-Ac||2-A||4-Aa|
|Maximum Floor Area Per Unit of A||3,000
|Maximum Floor Area For Extinguisherb||11,250
|Maximum Travel Distance to Extinguisher||75 feet||75 feet||75 feet|
- Two 21/2-gallon water-type extinguishers shall be deemed the equivalent of one 4-A rated extinguisher.
- Annex E.3.3 of NFPA 10 provides more details concerning application of the maximum floor area criteria.
- Two water-type extinguishers each with a 1-A rating shall be deemed the equivalent of one 2-A rated extinguisher for Light (Low) Hazard Occupancies.
|TYPE OF HAZARD||BASIC MINIMUM EXTINGUISHER RATING||MAXIMUM TRAVEL DISTANCE TO EXTINGUISHERS
Portable fire extinguishers for occupancies that involve primarily Class A fire hazards, the minimum sizes and distribution shall comply with Table 906.3(1).
Portable fire extinguishers for occupancies involving flammable or combustible liquids with depths of less than or equal to 0.25-inch (6.35 mm) shall be selected and placed in accordance with Table 906.3(2).
Portable fire extinguishers for occupancies involving flammable or combustible liquids with a depth of greater than 0.25-inch (6.35 mm) shall be selected and placed in accordance with NFPA 10.
Cabinets used to house portable fire extinguishers shall not be locked.
- Where portable fire extinguishers subject to malicious use or damage are provided with a means of ready access.
- In Group I-3 occupancies and in mental health areas in Group I-2 occupancies, access to portable fire extinguishers shall be permitted to be locked or to be located in staff locations provided the staff has keys.
- A manual fire alarm system is not required in a building with an area of 1,000 square feet (93 m2) that contains a single classroom and is located no closer than 50 feet (15 240 mm) from another building.
- A manual fire alarm system is not required in Group E occupancies with an occupant load less than 50, provided that one interconnected smoke alarm is installed in each classroom or child care area.
- Group E occupancies operated in Group R-3 occupancies are not required to have a manual fire alarm system provided that the building has the fire protection equipment required by Section 409.
- Buildings less than two stories in height where all sleeping units, attics and crawl spaces are separated by 1-hour fire-resistance-rated construction and each sleeping unit has direct access to a public way, exit court or yard.
- Manual fire alarm boxes are not required throughout the building when in accordance with Conditions 2.1 through 2.3.
- Where each living unit is separated from other contiguous living units by fire barriers having a fire-resistance rating of not less than 0.75 hour, and where each living unit has either its own independent exit or its own independent stairway or ramp discharging at grade.
- A separate fire alarm system is not required in buildings that are equipped throughout with a supervised, automatic sprinkler system and have a local alarm to notify all occupants.
- A fire alarm system is not required in buildings that do not have interior corridors serving dwelling units and are protected by an automatic sprinkler system, provided that dwelling units either have a means of egress door opening directly to an exterior exit access that leads directly to the exits or are served by open-ended corridors.
907.1.10.1 Hard-Wired and Interconnected Smoke Alarms in Existing Group R-3 Congregate Living Facilities
- Buildings equipped with an automatic sprinkler system.
- Buildings equipped with hard-wired smoke alarms installed in compliance with the Building Code.
- Where there are hard-wired, interconnected smoke alarms meeting the requirements of Section 907.2.11 of the Philadelphia Building Code and there is at least one manual fire alarm box per floor arranged to continuously sound the smoke alarms.
- Hard-wired, interconnected smoke alarms installed in accordance with Section 907.2.11 of the Philadelphia Building Code prior to January 1, 2010.
- Smoke alarms are not required in sleeping rooms in existing Group R-2 occupancies in high-rise buildings equipped throughout with an automatic fire extinguishing system.
- Smoke alarms are not required in sleeping rooms in Group R-2 or R-3 occupancies in buildings built prior to January 1, 1988, and not classified as high-rise.
- Where a smoke alarm installed in the immediate vicinity of bedrooms would result in its installation within 3 feet (914 mm) of a door to a bathroom or kitchen, installation beyond the immediate vicinity is permitted, provided that it does not exceed 15 feet (4572 mm) from all bedroom doors.
- Interconnection is not required in buildings built prior to January 1, 1988, that are not undergoing alterations, repairs or construction of any kind.
- Smoke alarms in existing areas of buildings built prior to January 1, 1988, are not required to be interconnected where repairs do not result in the removal of interior wall or ceiling finishes exposing the structure, unless there is an attic, crawl space or basement available which could provide access for interconnection without the removal of interior finishes.
- Smoke alarms are permitted to be solely battery powered with 10-year non-removable (sealed) batteries in existing one- and two-family dwellings built prior to January 1, 1988, where no construction is taking place.
- Smoke alarms are permitted to be solely battery powered with 10-year non-removable (sealed) batteries in one- and two-family dwellings that are not served from a commercial power source.
- Smoke alarms are permitted to be solely battery powered with 10-year non-removable (sealed) batteries in existing one- and two-family dwellings built prior to January 1, 1988, undergoing alterations or repairs that do not result in the removal of interior walls or ceiling finishes exposing the structure, unless there is an attic, crawl space or basement available which could provide access for building wiring without the removal of interior finishes.
- Occupancies with an existing, previously approved fire alarm system installed prior to March 1, 1991, are permitted to have audible alarm notification appliances that produce a sound pressure level above the normal ambient sound level of at least 15 decibels per the A scale of a sound pressure level meter (dBA) throughout the building.
- Fire alarm systems installed between March 1, 1991, and December 31, 2009, are permitted to have audible alarm notification appliances that produce a sound pressure level of at least 15 dBA above the normal sound level, but not less than 60 dBa throughout the building, and not less than 70 dBa throughout Group I-1 and R occupancies.
- Fire alarm systems installed after December 31, 2009, shall have audible alarm notification appliances that produce a sound pressure level of at least 15 dBA above the normal sound level, but not less than 60 dBA throughout the building, and not less than 75 dBa throughout Group I-1 and R occupancies.
- Manual fire alarm boxes are not required where an automatic sprinkler system is installed throughout the building, provided that in Group I-1 and I-2 occupancies they are installed at all nurses' control stations or other constantly attended staff locations.
- In Group R-2 occupancies with one exit and not exceeding three stories in height, one manual fire alarm box is permitted provided that it is installed in the exit stairway at the exit discharge.
- A calibrated test method;
- The manufacturer's calibrated sensitivity test instrument;
- Listed control equipment arranged for the purpose;
- A smoke detector/control unit arrangement whereby the detector causes a signal at the control unit where the detector's sensitivity is outside its acceptable sensitivity range; or
- Another calibrated sensitivity test method acceptable to the fire code official.
- Detectors listed as field adjustable shall be permitted to be either adjusted within the listed and marked sensitivity range and cleaned and recalibrated or they shall be replaced.
- This requirement shall not apply to single-station smoke alarms.