ADOPTS WITH AMENDMENTS:

International Fire Code 2018 (IFC 2018)

Part I — Administrative

Part II — General Safety Provisions

Part III — Building and Equipment Design Features

Part IV — Special Occupancies and Operations

Part V — Hazardous Materials

Part VI — Referenced Standards

Part VII — Appendices

Heads up: There are no amended sections in this chapter.
The provisions of this chapter shall specify where fire protection and life safety systems are required and shall apply to the design, installation, inspection, operation, testing and maintenance of all fire protection systems.
The fire code official shall have the authority to require construction documents and calculations for all fire protection systems and to require permits be issued for the installation, rehabilitation or modification of any fire protection system. Construction documents for fire protection systems shall be submitted for review and approval prior to system installation.
Before requesting final approval of the installation, where required by the fire code official, the installing contractor shall furnish a written statement to the fire code official that the subject fire protection system has been installed in accordance with approved plans and has been tested in accordance with the manufacturer's specifications and the appropriate installation standard. Any deviations from the design standards shall be noted and copies of the approvals for such deviations shall be attached to the written statement.
Complete plans and specification for fire protection systems shall be submitted to the fire code official for review and be approved prior to system installation. Approved plans shall be kept readily available on the job site.
The licensee (contractors Master or Qualified Employee) information shall be on submittals as per Nevada Administrative Code, Nevada Revised Statutes, and the Nevada Blue Book.
A designer of fire sprinkler, fire alarm, and special hazard systems shall hold a minimum Level II certification in their respective discipline from the National Institute for Certification in Engineering Technologies (NICET) or an equivalent certification (e.g., plans and calculations prepared by a Nevada Registered Professional Engineer working in their area of expertise). Submittals shall include the designer's printed name, certificate number, and signature.
Permits shall be required as set forth in Sections 105.6 and 105.7.
Fire protection systems shall be maintained in accordance with the original installation standards for that system. Required systems shall be extended, altered or augmented as necessary to maintain and continue protection where the building is altered, remodeled or added to. Alterations to fire protection systems shall be done in accordance with applicable standards.
Fire protection systems required by this code or the International Building Code shall be installed, repaired, operated, tested and maintained in accordance with this code. A fire protection system for which a design option, exception or reduction to the provisions of this code or the International Building Code has been granted shall be considered to be a required system.
A fire protection system or portion thereof not required by this code or the International Building Code shall be allowed to be furnished for partial or complete protection provided that such installed system meets the applicable requirements of this code and the International Building Code.

901.4.3 Fire Areas

Amendment
This section has been amended by the state, county, or city.
Diagram
Where buildings, or portions thereof, are divided into fire areas so as not to exceed the limits established for requiring a fire protection system in accordance with this chapter, such fire areas shall be separated by fire barriers constructed in accordance with section 707 of the International Building Code or horizontal assemblies constructed in accordance with section 711 of the International Building Code, or both, having a fire-resistance rating of not less than that determined in accordance with Section 707.3.10 of the International Building Code.
Fire area separations for automatic sprinkler systems shall be in accordance with Section 903.2.
In occupancies of a hazardous nature, where special hazards exist in addition to the normal hazards of the occupancy, or where the fire code official determines that access for fire apparatus is unduly difficult, the fire code official shall have the authority to require additional safeguards. Such safeguards include, but shall not be limited to, the following: automatic fire detection systems, fire alarm systems, automatic fire-extinguishing systems, standpipe systems, or portable or fixed extinguishers. Fire protection equipment required under this section shall be installed in accordance with this code and the applicable referenced standards.
Any device that has the physical appearance of life safety or fire protection equipment but that does not perform that life safety or fire protection function shall be prohibited.
Where provided, fire pump rooms shall be designed with adequate space (see NFPA 20 for fire pump clearances and NFPA 70 for working space clearances) for all equipment necessary for the installation, as defined by the manufacturer, with sufficient working space around the stationary equipment.
Clearances around equipment to elements of permanent construction, including other installed equipment and appliances, shall be sufficient to allow inspection, service, repair or replacement without removing such elements of permanent construction or disabling the function of a required fire-resistance-rated assembly. Fire pump rooms shall be provided with doors and unobstructed passageways large enough to allow removal of the largest piece of equipment.
Fire pumps and controllers shall be provided with ready access. Where located in a pump room, the door shall be permitted to be locked provided that the key is available at all times.
Access doors for fire pump rooms shall be labeled "Fire Pump Room" or "Fire Pump House" with an approved sign. The lettering shall be in contrasting color to the background. Letters shall have a minimum height of 2 inches (51 mm) with a minimum stroke of 3/8 inch (10 mm).
Permanently installed artificial illumination shall be provided in fire pump rooms.
A dedicated automatic sprinkler system riser room shall be required for each fire sprinkler system riser.
Exceptions:
  1. Where approved by the fire code official, where systems are controlled by wall-mounted Post Indicator Valves (PIV), and where exterior access is provided to the monitoring panel that is located in a conditioned room, an automatic sprinkler system riser room is not required.
  2. When approved, where a single system serves the building and the system is controlled by a PIV, a riser room is not required.
  3. In multi-story facilities, floor control risers are permitted to be located on each floor level in an exit stair enclosure.
  4. Systems designed in accordance with Section 903.3.1.3 (NFPA 13D) do not require an automatic sprinkler system riser room.
  5. Systems designed in accordance with Section 903.3.1.2 (NFPA 13R) shall have an automatic sprinkler system riser room/closet that is large enough to facilitate access to all the necessary fire sprinkler and fire alarm valves and devices. This area shall be accessible from the outside with either a door or an access panel large enough to allow for testing and maintenance of system. The area shall also maintain a minimum temperature of 40° F and a maximum temperature of 100° F.
  6. Fire pump rooms complying with Section 901.4.6.
The primary automatic sprinkler system riser room shall contain the fire riser into the building. The fire riser shall contain at a minimum, a flow switch, a check valve, and a control valve.
Exception: Where there is a single system in the building and an exterior Post Indicator Valve (PIV) is provided, then the control valve is not required in the automatic sprinkler system riser room.
Automatic sprinkler system riser rooms shall have an exterior access door with a minimum width of 36 inches (914 mm) and a minimum height of 80 inches (2032 mm)
Exception: For high-rise, terminal, and covered mall buildings, secondary fire risers may be contained in automatic sprinkler system riser rooms that are located in dedicated rooms as approved by the fire code official in areas without direct access from the exterior.
Automatic sprinkler system riser rooms shall be separated from the rest of the building by 1-hour fire partitions.
The riser room shall have a minimum area of 16 square feet (1.49 m2), with a minimum dimension of 4 feet for the first sprinkler riser plus an additional 9 square feet for each additional riser contained.
Where a fire alarm control unit is located in the Automatic sprinkler system riser room, the unit shall be located so that there is a minimum clearance in accordance with the electrical code.
Automatic sprinkler system riser rooms are not required for auxiliary control valves.
Weatherproof signage shall be provided on the exterior access door. Signage shall state "Fire Sprinkler Riser Room" in a contrasting color. Letters shall have a minimum height of 2 inches with a minimum stroke of 3/8 inch.

901.4.7.8 Lighting

Amendment
This section has been amended by the state, county, or city.
Permanently installed artificial lighting shall be provided in automatic sprinkler system riser rooms.
Automatic sprinkler system riser rooms and fire pump rooms shall be maintained at a temperature of not less than 40° F and a maximum temperature of 100° F. Heating and cooling units shall be permanently installed.
Exceptions:
  1. Where the fire sprinkler riser room or fire pump room does not contain a Fire Alarm/Monitoring Panel or spare sprinklers heads, or when these devices are rated for higher ambient temperatures the room shall not be required to be conditioned for maximum temperature.
  2. Heating and/or conditioning is not required if calculations are prepared and sealed by a design professional, on a case-by case address specific basis, proving that the temperature within the riser room does not fall or rise below the temperature range of 40° F to 100° F. To maintain 40° F, the temperature analysis must use a starting temperature of 50° F and use an outside temperature of 0° F for a period of 8 hours. To maintain 100° F, the temperature analysis must use a starting temperature of 90° F and use an outside temperature of 120° F for a period of 8 hours.
  3. Where the fire sprinkler riser room or fire pump room contains equipment that has a higher manufacturer's temperature rating acceptable to the fire code official.
Fire detection and alarm systems, emergency alarm systems, gas detection systems, fire-extinguishing systems, fire hydrant systems, fire standpipe systems, fire pump systems, private fire service mains and all other fire protection systems and appurtenances thereto shall be subject to acceptance tests as contained in the installation standards and as approved by the fire code official. The fire code official shall be notified before any required acceptance testing.
It shall be unlawful to occupy any portion of a building or structure until the required fire detection, alarm and suppression systems have been tested and approved.

901.6 Inspection, Testing and Maintenance

Amendment
This section has been amended by the state, county, or city.
Fire protection systems including fire detection and alarm systems, emergency alarm systems, gas detection systems, fire-extinguishing systems, mechanical smoke exhaust systems and smoke and heat vents shall be maintained in an operative condition at all times, and shall be replaced or repaired where defective. Non-required fire protection systems and equipment shall be inspected, tested and maintained or decommissioned. Fire protection systems installed as a required system under a previously adopted code shall be maintained in an operative condition at all times, and shall be replaced or repaired where defective. Decommissioning non-required fire protection systems and fire protection systems installed as a required system under a previously adopted code requires the approval of the fire code official. When required, a decommissioning report and/or plans prepared by an approved design professional shall be submitted to the fire code official.
Fire protection systems shall be inspected, tested and maintained in accordance with the referenced standards listed in Table 901.6.1.
FIRE PROTECTION SYSTEM MAINTENANCE STANDARDS
SYSTEMSTANDARD
Portable fire extinguishersNFPA 10
Carbon dioxide fire-extinguishing systemNFPA 12
Halon 1301 fire-extinguishing systemsNFPA 12A
Dry-chemical extinguishing systemsNFPA 17
Wet-chemical extinguishing systemsNFPA 17A
Water-based fire protection systemsNFPA 25
Fire alarm systemsNFPA 72
Smoke and heat ventsNFPA 204
Water-mist systemsNFPA 750
Clean-agent extinguishing systemsNFPA 2001
Aerosol fire-extinguishing systemsNFPA 2010
Where two or more fire protection or life safety systems are interconnected, the intended response of subordinate fire protection and life safety systems shall be verified when required testing of the initiating system is conducted. In addition, integrated testing shall be performed in accordance with Sections 901.6.2.1 and 901.6.2.2.
For high-rise buildings, integrated testing shall comply with NFPA 4, with an integrated test performed prior to issuance of the certificate of occupancy and at intervals not exceeding 10 years, unless otherwise specified by an integrated system test plan prepared in accordance with NFPA 4. If an equipment failure is detected during integrated testing, a repeat of the integrated test shall not be required, except as necessary to verify operation of fire protection or life safety functions that are initiated by equipment that was repaired or replaced.
Where a fire alarm system is integrated with a smoke control system as outlined in Section 909, integrated testing shall comply with NFPA 4, with an integrated test performed prior to issuance of the certificate of occupancy and at intervals not exceeding 10 years, unless otherwise specified by an integrated system test plan prepared in accordance with NFPA 4. If an equipment failure is detected during integrated testing, a repeat of the integrated test shall not be required, except as necessary to verify operation of fire protection or life safety functions that are initiated by equipment that was repaired or replaced.
Records of all system inspections, tests and maintenance required by the referenced standards shall be maintained.
Initial records shall include the name of the installation contractor, type of components installed, manufacturer of the components, location and number of components installed per floor. Records shall include the manufacturers' operation and maintenance instruction manuals. Such records shall be maintained for the life of the installation.

901.7 Systems Out of Service

Amendment
This section has been amended by the state, county, or city.
Where a required fire protection system is out of service, the fire department and the fire code official shall be notified immediately in accordance with Appendix P and, where required by the fire code official, the building shall either be evacuated, provided with other mitigation as required by the fire code official, or an approved fire watch shall be provided for all occupants left unprotected by the shutdown until the fire protection system has been returned to service.
Where utilized, fire watches shall be provided with at least one approved means for notification of the fire department, shall meet the requirements sets forth in Appendix P, and their only duty shall be to perform constant patrols of the protected premises and keep watch for fires.
In all instances where systems are out of service, either due to a planned or an emergency impairment, fire systems maintenance contractors shall be notified to respond to the site. Fire systems maintenance contractors shall assess the impairment, determine the time needed to execute repairs, and notify the impairment coordinator, and fire department and the fire code official as required by Appendix P, of the repair time needed.
The building owner shall assign an impairment coordinator to comply with the requirements of this section. In the absence of a specific designee, the owner shall be considered to be the impairment coordinator.
A tag shall be used to indicate that a system, or portion thereof, has been removed from service.
The tag shall be posted at each fire department connection, system control valve, fire alarm control unit, fire alarm annunciator and fire command center, indicating which system, or part thereof, has been removed from service. The fire code official shall specify where the tag is to be placed.
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:
  1. The extent and expected duration of the impairment have been determined.
  2. The areas or buildings involved have been inspected and the increased risks determined.
  3. Recommendations have been submitted to management or the building owner/manager.
  4. The fire department has been notified.
  5. The insurance carrier, the alarm company, the building owner/manager and other authorities having jurisdiction have been notified.
  6. The supervisors in the areas to be affected have been notified.
  7. A tag impairment system has been implemented.
  8. Necessary tools and materials have been assembled on the impairment site.
Where unplanned impairments occur, appropriate emergency action shall be taken to minimize potential injury and damage. The impairment coordinator shall implement the steps outlined in Section 901.7.4.
Where impaired equipment is restored to normal working order, the impairment coordinator shall verify that all of the following procedures have been implemented:
  1. Necessary inspections and tests have been conducted to verify that affected systems are operational.
  2. Supervisors have been advised that protection is restored.
  3. The fire department has been advised that protection is restored.
  4. The building owner/manager, insurance carrier, alarm company and other involved parties have been advised that protection is restored.
  5. The impairment tag has been removed.
It shall be unlawful for any person to remove, tamper with or otherwise disturb any fire hydrant, fire detection and alarm system, fire suppression system or other fire appliance required by this code except for the purposes of extinguishing fire, training, recharging or making necessary repairs or where approved by the fire code official.
Locks, gates, doors, barricades, chains, enclosures, signs, tags or seals that have been installed by or at the direction of the fire code official shall not be removed, unlocked, destroyed, tampered with or otherwise vandalized in any manner.
The fire code official is authorized to permit the removal of existing occupant-use hose lines where both of the following conditions exist:
  1. The hose line would not be utilized by trained personnel or the fire department.
  2. The remaining outlets are compatible with local fire department fittings.
For fire alarm systems required to be monitored by this code, notice shall be made to the fire code official whenever alarm monitoring services are terminated. Notice shall be made in writing by the provider of the monitoring service being terminated.
Any fire protection system component regulated by this code that is the subject of a voluntary or mandatory recall under federal law shall be replaced with approved, listed components in compliance with the referenced standards of this code. A construction permit shall be obtained for the replacement of all recalled components.
The following terms are defined in Chapter 2:
Class I system.
Class II system.
Class III system.
Automatic sprinkler systems shall comply with this section.

903.2 Where Required

Amendment
This section has been amended by the state, county, or city.
Approved automatic sprinkler systems in new buildings and structures shall be provided throughout all buildings and structures, regardless of occupancy type, and including buildings and structures in accordance with the International Residential Code, which meet one of the following requirements, and additionally in locations described in Section 903.2.1 through 903.2.12:
  1. For buildings constructed in accordance with the International Building Code, approved automatic sprinklers systems are required where the building area exceeds 5,000 square feet (464 m2).
  2. For buildings constructed in accordance with the International Residential Code, approved automatic sprinkler systems are required where the living space exceeds 5,000 square feet (464 m2).
  3. For any buildings, not otherwise requiring fire sprinklers, where the available fire flow does not meet the fire flow requirements of this code, approved automatic sprinkler systems shall be provided as required by the fire code official.
  4. In all occupancies except Group R-3, Group U and occupancies in accordance with the International Residential Code, a building that is more than two stories in height, including any height added by usable floor space, must have an automatic sprinkler system throughout.
Exceptions:
  1. Open parking garages with no other occupancy above the open parking garage structure and with fire apparatus lanes immediately adjacent to two open sides of the garage equaling a minimum of 40% of the garage perimeter are not required to be protected with automatic sprinklers.
  2. Automatic sprinklers shall not be required in buildings or structures used exclusively for agricultural, livestock or equestrian activities, with or without spectators, where structures may cover the use, including the spectator area, provided the use is not enclosed on more than one side  along any portion of the perimeter of the structure, except for rooms containing code-required building service components, and provided that the minimum clear height along the entire perimeter of the structure is 7 feet 6 inches (2,286 mm).
  3. Buildings, structures, or service equipment and installations directly used in utility generation or distribution which are installed on properly recorded easements belonging to water, gas, power, telephone, or other utility companies that are preemptively regulated by the Nevada Public Service Commission, a State of Nevada charter, or other public franchise. This exception does not apply to non-exempted buildings or structures containing occupiable spaces such as offices, meeting rooms, service counters, public restrooms, or other normally occupied spaces.
  4. Playground shade structures, fuel dispensing canopies, and carports open to a minimum clear height of 10 feet on all sides around the entire perimeter, with non-combustible structural support and frame, with either non-combustible material or fabric complying with NFPA 701 providing shade, located a minimum of 10 feet from the nearest building, property line or shade structure, and less than 10,000 square feet in horizontal area, do not require fire sprinklers.
  5. For new construction expanding an existing unsprinklered Group R-3 occupancy or single-family occupancy built under the IRC, sprinklers are not required to be retrofitted into the building where the building is provided with fire flow in accordance Appendix B.
If any fire area in a building or structure is provided with fire sprinklers, whether required or not, all fire areas in the building or structure shall be provided with fire sprinklers.
Exceptions:
  1. Where a building is subdivided into separate buildings, each having a total building area of less than 5,000 square feet (464 m2), by fire walls with no openings constructed in accordance with the IBC.
  2. Special hazard areas that require sprinklers for certain uses, such as medical gas rooms, may be fire sprinklered without requiring additional fire sprinklers, when approved by the code official.
  3. Existing buildings modified in accordance with the International Existing Building Code or Section 903.7
An automatic sprinkler system shall be provided throughout buildings and portions thereof used as Group A occupancies as provided in this section.
An automatic sprinkler system shall be provided throughout stories containing Group A-1 occupancies and throughout all stories from the Group A-1 occupancy to and including the levels of exit discharge serving that occupancy where one of the following conditions exists:
  1. The fire area exceeds 12,000 square feet (1115 m2).
  2. The fire area has an occupant load of 300 or more.
  3. The fire area is located on a floor other than a level of exit discharge serving such occupancies.
  4. The fire area contains a multiple-theater complex.
An automatic sprinkler system shall be provided throughout stories containing Group A-2 occupancies and throughout all stories from the Group A-2 occupancy to and including the levels of exit discharge serving that occupancy where one of the following conditions exists:
  1. The fire area exceeds 5,000 square feet (464 m2).
  2. The fire area has an occupant load of 100 or more.
  3. The fire area is located on a floor other than a level of exit discharge serving such occupancies.
An automatic sprinkler system shall be provided throughout stories containing Group A-3 occupancies and throughout all stories from the Group A-3 occupancy to and including the levels of exit discharge serving that occupancy where one of the following conditions exists:
  1. The fire area exceeds 12,000 square feet (1115 m2).
  2. The fire area has an occupant load of 300 or more.
  3. The fire area is located on a floor other than a level of exit discharge serving such occupancies.
An automatic sprinkler system shall be provided throughout stories containing Group A-4 occupancies and throughout all stories from the Group A-4 occupancy to and including the levels of exit discharge serving that occupancy where one of the following conditions exists:
  1. The fire area exceeds 12,000 square feet (1115 m2).
  2. The fire area has an occupant load of 300 or more.
  3. The fire area is located on a floor other than a level of exit discharge serving such occupancies.
An automatic sprinkler system shall be provided for all enclosed Group A-5 accessory use areas in excess of 1,000 square feet (93 m2).
Enclosed spaces under grandstands or bleachers shall be equipped with an automatic sprinkler system in accordance with Section 903.3.1.1 where either of the following exist:
  1. The enclosed area is 1,000 square feet (93 m2) or less and is not constructed in accordance with Section 1029.1.1.1.
  2. The enclosed area exceeds 1,000 square feet (93 m2).
Where an occupied roof has an assembly occupancy with an occupant load exceeding 100 for Group A-2 and 300 for other Group A occupancies, all floors between the occupied roof and the level of exit discharge shall be equipped with an automatic sprinkler system in accordance with Section 903.3.1.1 or 903.3.1.2.
Exception: Open parking garages of Type I or Type II construction.
An automatic sprinkler system shall be provided where multiple fire areas of Group A-1, A-2, A-3 or A-4 occupancies share exit or exit access components and the combined occupant load of these fire areas is 300 or more.
An automatic sprinkler system shall be installed throughout the entire floor containing an ambulatory care facility where either of the following conditions exist at any time:
  1. Four or more care recipients are incapable of self-preservation.
  2. One or more care recipients that are incapable of self-preservation are located at other than the level of exit discharge serving such a facility.
In buildings where ambulatory care is provided on levels other than the level of exit discharge, an automatic sprinkler system shall be installed throughout the entire floor as well as all floors below where such care is provided, and all floors between the level of ambulatory care and the nearest level of exit discharge, the level of exit discharge, and all floors below the level of exit discharge.
Exception: Floors classified as an open parking garage are not required to be sprinklered.
An automatic sprinkler system shall be provided for Group E occupancies where one of the following conditions exists:
  1. Throughout all Group E fire areas greater than 5,000 square feet (464m2) in area.
  2. The Group E fire area is located on a floor other than a level of exit discharge serving such occupancies.
    Exception: In buildings where every classroom has not fewer than one exterior exit door at ground level, an automatic sprinkler system is not required in any area below the lowest level of exit discharge serving that area
  3. The Group E Fire area has an occupant load of 300 or more.
  4. Daycare facilities where there is occupancy from 12:00 AM - 6:00 AM and care for 7 or more children.
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 12,000 square feet (1115 m2).
  2. A Group F-1 fire area is located more than three stories above grade plane.
  3. The combined area of all Group F-1 fire areas on all floors, including any mezzanines, exceeds 24,000 square feet (2230 m2).
  4. A Group F-1 occupancy used for the manufacture of upholstered furniture or mattresses exceeds 2,500 square feet (232 m2).
An automatic sprinkler system shall be provided throughout all Group F-1 occupancy fire areas that contain woodworking operations in excess of 2,500 square feet (232 m2) in area that generate finely divided combustible waste or use finely divided combustible materials.
Automatic sprinkler systems shall be provided in high-hazard occupancies as required in Sections 903.2.5.1 through 903.2.5.3.
An automatic sprinkler system shall be installed in Group H occupancies.
An automatic sprinkler system shall be installed throughout buildings containing Group H-5 occupancies. The design of the sprinkler system shall be not less than that required under the International Building Code for the occupancy hazard classifications in accordance with Table 903.2.5.2.
Where the design area of the sprinkler system consists of a corridor protected by one row of sprinklers, the maximum number of sprinklers required to be calculated is 13.
GROUP H-5 SPRINKLER DESIGN CRITERIA
LOCATIONOCCUPANCY HAZARD
CLASSIFICATION
Fabrication areasOrdinary Hazard Group 2
Service corridorsOrdinary Hazard Group 2
Storage rooms without dispensingOrdinary Hazard Group 2
Storage rooms with dispensingExtra Hazard Group 2
CorridorsOrdinary Hazard Group 2
An automatic sprinkler system shall be provided in buildings, or portions thereof, where cellulose nitrate film or pyroxylin plastics are manufactured, stored or handled in quantities exceeding 100 pounds (45 kg).

903.2.6 Group I

Diagram
An automatic sprinkler system shall be provided throughout buildings with a Group I fire area.
Exceptions:
  1. An automatic sprinkler system installed in accordance with Section 903.3.1.2 shall be permitted in Group I-1, Condition 1 facilities.
  2. An automatic sprinkler system is not required where Group I-4 day care facilities are at the level of exit discharge and where every room where care is provided has not fewer than one exterior exit door.
  3. In buildings where Group I-4 day care is provided on levels other than the level of exit discharge, an automatic sprinkler system in accordance with Section 903.3.1.1 shall be installed on the entire floor where care is provided, all floors between the level of care and the level of exit discharge and all floors below the level of exit discharge other than areas classified as an open parking garage.

903.2.7 Group M

Diagram
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 12,000 square feet (1115 m2).
  2. A Group M fire area is located more than three stories above grade plane.
  3. The combined area of all Group M fire areas on all floors, including any mezzanines, exceeds 24,000 square feet (2230 m2).
  4. A Group M occupancy used for the display and sale of upholstered furniture or mattresses exceeds 5,000 square feet (464 m2).
An automatic sprinkler system shall be provided as required in Chapter 32 in all buildings of Group M where storage of merchandise is in high-piled or rack storage arrays.

903.2.8 Group R

Diagram
An automatic sprinkler system installed in accordance with Section 903.3 shall be provided throughout all buildings with a Group R fire area.
An automatic sprinkler system installed in accordance with Section 903.3.1.3 shall be permitted in Group R-3 occupancies.
An automatic sprinkler system installed in accordance with Section 903.3.1.3 shall be permitted in Group R-4, Condition 1 occupancies.
An automatic sprinkler system installed in accordance with Section 903.3.1.2 shall be permitted in Group R-4, Condition 2 occupancies.
An automatic sprinkler system installed in accordance with Section 903.3.1.3 shall be permitted in care facilities with five or fewer individuals in a single-family dwelling.
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 12,000 square feet (1115 m2).
  2. A Group S-1 fire area is located more than three stories above grade plane.
  3. The combined area of all Group S-1 fire areas on all floors, including any mezzanines, exceeds 24,000 square feet (2230 m2).
  4. A Group S-1 fire area used for the storage of commercial motor vehicles where the fire area exceeds 5,000 square feet (464 m2).
  5. A Group S-1 occupancy used for the storage of upholstered furniture or mattresses exceeds 2,500 square feet (232 m2).
An automatic sprinkler system shall be provided throughout all buildings used as repair garages in accordance with Section 406.8 of the International Building Code, as shown:
  1. Buildings having two or more stories above grade plane, including basements, with a fire area containing a repair garage exceeding 10,000 square feet (929 m2).
  2. Buildings not more than one story above grade plane, with a fire area containing a repair garage exceeding 12,000 square feet (1115 m2).
  3. Buildings with repair garages servicing vehicles parked in basements.
  4. A Group S-1 fire area used for the repair of commercial motor vehicles where the fire area exceeds 5,000 square feet (464 m2).
Buildings and structures where the area for the storage of tires exceeds 20,000 cubic feet (566 m3) shall be equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1.

903.2.9.3 Self-Service Storage Facility (Mini-Storage)

Amendment
This section has been amended by the state, county, or city.
Self-service storage facilities shall be provided with automatic sprinklers throughout as Ordinary Hazard Group 2 hazard category per NFPA 13.
An automatic sprinkler system shall be provided throughout buildings classified as enclosed parking garages in accordance with Section 406.6 of the International Building Code where either of the following conditions exists:
  1. Where the fire area of the enclosed parking garage exceeds 12,000 square feet (1115 m2).
  2. Where the enclosed parking garage is located beneath other groups.
Exception: Enclosed parking garages located beneath Group R-3 occupancies.
An automatic sprinkler system shall be provided throughout buildings used for storage of commercial motor vehicles where the fire area exceeds 5,000 square feet (464 m2).
In all occupancies other than Group U, an automatic sprinkler system shall be installed for building design or hazards in the locations set forth in Sections 903.2.11.1 through 903.2.11.6.
An automatic sprinkler system shall be installed throughout all stories, including basements, of all buildings where the floor area exceeds 1,500 square feet (139 m2) and where the story does not comply with the following criteria for exterior wall openings:
  1. Openings below grade that lead directly to ground level by an exterior stairway complying with Section 1011 or an outside ramp complying with Section 1012. Openings shall be located in each 50 linear feet (15 240 mm), or fraction thereof, of exterior wall in the story on not fewer than one side. The required openings shall be distributed such that the lineal distance between adjacent openings does not exceed 50 feet (15 240 mm).
  2. Openings entirely above the adjoining ground level totaling not less than 20 square feet (1.86 m2) in each 50 linear feet (15 240 mm), or fraction thereof, of exterior wall in the story on not fewer than one side. The required openings shall be distributed such that the lineal distance between adjacent openings does not exceed 50 feet (15 240 mm). The height of the bottom of the clear opening shall not exceed 44 inches (1118 mm) measured from the floor.
Openings shall have a minimum dimension of not less than 30 inches (762 mm). Access to such openings shall be provided for the fire department from the exterior and shall not be obstructed in a manner such that fire fighting or rescue cannot be accomplished from the exterior.
Where openings in a story are provided on only one side and the opposite wall of such story is more than 75 feet (22 860 mm) from such openings, the story shall be equipped throughout with an approved automatic sprinkler system, or openings shall be provided on not fewer than two sides of the story.
Where any portion of a basement is located more than 75 feet (22 860 mm) from openings required by Section 903.2.11.1, or where walls, partitions or other obstructions are installed that restrict the application of water from hose streams, the basement shall be equipped throughout with an approved automatic sprinkler system.
An automatic sprinkler system shall be installed at the top of rubbish and linen chutes and in their terminal rooms. Chutes shall have additional sprinkler heads installed at alternate floors and at the lowest intake. Where a rubbish chute extends through a building more than one floor below the lowest intake, the extension shall have sprinklers installed that are recessed from the drop area of the chute and protected from freezing in accordance with Section 903.3.1.1. Such sprinklers shall be installed at alternate floors, beginning with the second level below the last intake and ending with the floor above the discharge. Access to sprinklers in chutes shall be provided for servicing.
An automatic sprinkler system shall be installed throughout buildings that have one or more stories with an occupant load of 30 or more located 55 feet (16 764 mm) or more above the lowest level of fire department vehicle access, measured to the finished floor.
Exceptions:
  1. Open parking structures.
  2. Occupancies in Group F-2.
Where required by the International Mechanical Code, automatic sprinklers shall be provided in ducts conveying hazardous exhaust or flammable or combustible materials.
Exception: Ducts where the largest cross-sectional diameter of the duct is less than 10 inches (254 mm).
An automatic sprinkler system shall be installed in a commercial kitchen exhaust hood and duct system where an automatic sprinkler system is used to comply with Section 904, and for the entire length of duct when the duct length exceeds 75 feet.
In addition to the requirements of Section 903.2, the provisions indicated in Table 903.2.11.6 require the installation of a fire suppression system for certain buildings and areas.

TABLE 903.2.11.6
ADDITIONAL REQUIRED FIRE SUPPRESSION SYSTEMS
SECTION SUBJECT
914.2.1 Covered and open mall buildings
914.3.1 High-rise buildings
914.4.1 Atriums
914.5.1 Underground structures
914.6.1 Stages
914.7.1 Special amusement buildings
914.8.2 Airport traffic control towers
914.8.3, 914.8.6 Aircraft hangars
914.9 Flammable finishes
914.10 Drying rooms
914.11.1 Ambulatory care facilities
1029.6.2.3 Smoke-protected assembly seating
1103.5.1 Existing Group A occupancies
1103.5.2 Pyroxylin plastic storage in existing buildings
1103.5.3 Existing Group I-2 occupancies
1103.5.4 Existing Group I-2, Condition 2 occupancies
1103.5.4 Pyroxylin plastics
2108.2 Dry cleaning plants
2108.3 Dry cleaning machines
2309.3.1.5.2 Hydrogen motor fuel-dispensing area canopies
2404.2 Spray finishing in Group A, E, I or R
2404.4 Spray booths and spray rooms
2405.2 Dip-tank rooms in Group A, I or R
2405.4.1 Dip tanks
2405.9.4 Hardening and tempering tanks
2703.10 HPM facilities
2703.10.1.1 HPM work station exhaust
2703.10.2 HPM gas cabinets and exhausted enclosures
2703.10.3 HPM exit access corridor
2703.10.4 HPM exhaust ducts
2703.10.4.1 HPM noncombustible ducts
2703.10.4.2 HPM combustible ducts
2807.3 Lumber production conveyor enclosures
2808.7 Recycling facility conveyor enclosures
3006.1 Class A and B ovens
3006.2 Class C and D ovens
Table 3206.2 Storage fire protection
3206.4 Storage
3704.5 Storage of more than 1,000 cubic feet of loose
combustible fibers
5003.8.4.1 Gas rooms
5003.8.5.3 Exhausted enclosures
5004.5 Indoor storage of hazardous materials
5005.1.8 Indoor dispensing of hazardous materials
5104.4.1 Aerosol product warehouses
5106.3.2 Aerosol display and merchandising areas
5306.2.1 Exterior medical gas storage room
5306.2.2 Interior medical gas storage room
5306.2.3 Medical gas storage cabinet
5606.5.2.1 Storage of smokeless propellant
5606.5.2.3 Storage of small arms primers
5704.3.7.5.1 Flammable and combustible liquid storage rooms
5704.3.8.4 Flammable and combustible liquid storage
warehouses
5705.3.7.3 Flammable and combustible liquid Group H-2 or
H-3 areas
6004.1.2 Gas cabinets for highly toxic and toxic gas
6004.1.3 Exhausted enclosures for highly toxic and toxic gas
6004.2.2.6 Gas rooms for highly toxic and toxic gas
6004.3.3 Outdoor storage for highly toxic and toxic gas
6504.1.1 Pyroxylin plastic storage cabinets
6504.1.3 Pyroxylin plastic storage vaults
6504.2 Pyroxylin plastic storage and manufacturing

For SI: 1 cubic foot = 0.023 m3.
In Group S-1 and all other storage areas the fire sprinkler system shall be designed to protect storage up to the maximum available storage height. The minimum sprinkler density shall be equivalent to that required for a Class IV commodity pursuant to NFPA 13.
Automatic sprinkler systems required during construction, alteration and demolition operations shall be provided in accordance with Section 3314.
Automatic sprinkler systems shall be designed and installed in accordance with Sections 903.3.1 through 903.3.8.
Sprinkler systems shall be designed and installed in accordance with Section 903.3.1.1, unless otherwise permitted by Sections 903.3.1.2 and 903.3.1.3 and other chapters of this code, as applicable.
Where the provisions of this code require that a building or portion thereof be equipped throughout with an automatic sprinkler system in accordance with this section, sprinklers shall be installed throughout in accordance with NFPA 13 except as provided in Sections 903.3.1.1.1 and 903.3.1.1.2.
Automatic sprinklers shall not be required in the following rooms or areas where such rooms or areas are protected with an approved automatic fire detection system in accordance with Section 907.2 that will respond to visible or invisible particles of combustion. Sprinklers shall not be omitted from any room merely because it is damp, or fire-resistance rated construction, or contains electrical equipment.
  1. Any room where the application of water, or flame and water, constitutes a serious life or fire hazard.
  2. Any room or space where sprinklers are considered undesirable because of the nature of the contents, when approved by the fire code official.
  3. Fire service access elevator machine rooms and machinery spaces.
  4. Machine rooms, machinery spaces, control rooms and control spaces associated with occupant evacuation elevators designed in accordance with Section 3008 of the International Building Code.
In Group R occupancies, sprinklers shall not be required in bathrooms that do not exceed 55 square feet (5 m2) in area and are located within individual dwelling units or sleeping units, provided that walls and ceilings, including the walls and ceilings behind a shower enclosure or tub, are of noncombustible or limited-combustible materials with a 15-minute thermal barrier rating.
Automatic sprinkler systems in Group R Occupancies up to and including two stories in height in buildings not exceeding 60 feet (18 288 mm)in height above grade plane shall be permitted to be installed throughout in accordance with NFPA 13R.
The number of stories in Group R occupancies constructed in accordance with Section 510.2 and 510.4 of the International Building Code shall be measured from the horizontal assembly creating separate buildings.
Sprinkler protection shall be provided for exterior balconies, decks and ground floor patios of dwelling units and sleeping units where either of the following conditions exists:
  1. The building is of Type V construction, provided that there is a roof or deck above.
  2. Exterior balconies, decks and ground floor patios of dwelling units and sleeping units are constructed in accordance with Section 705.2.3.1, Exception 3 of the International Building Code.
Sidewall sprinklers that are used to protect such areas shall be permitted to be located such that their deflectors are within 1 inch (25 mm) to 6 inches (152 mm) below the structural members and a maximum distance of 14 inches (356 mm) below the deck of the exterior balconies and decks that are constructed of open wood joist construction.
Sprinkler protection shall be provided in open-ended corridors and associated exterior stairways and ramps as specified in Section 1027.6, Exception 3.
Attic protection shall be provided as follows:
  1. Attics that are used or intended for living purposes or storage shall be protected by an automatic sprinkler system.
  2. Where fuel-fired equipment is installed in an unsprinklered attic, not fewer than one quick-response intermediate temperature sprinkler shall be installed above the equipment.
  3. Where located in a building of Type III, Type IV or Type V construction designed in accordance with Section 510.2 or 510.4 of the International Building Code, attics not required by Item 1 to have sprinklers shall comply with one of the following if the roof assembly is located more than 55 feet (16 764 mm) above the lowest level of required fire department vehicle access:
    1. 3.1. Provide automatic sprinkler system protection.
    2. 3.2. Construct the attic using noncombustible materials.
    3. 3.3. Construct the attic using fire-retardant-treated wood complying with Section 2303.2 of the International Building Code.
    4. 3.4. Fill the attic with noncombustible insulation.
    The height of the roof assembly shall be determined by measuring the distance from the lowest required fire vehicle access road surface adjacent to the building to the eave of the highest pitched roof, the intersection of the highest roof to the exterior wall, or the top of the highest parapet, whichever yields the greatest distance. For the purpose of this measurement, required fire vehicle access roads shall include only those roads that are necessary for compliance with Section 503.
  4. Group R-4, Condition 2 occupancy attics not required by Item 1 to have sprinklers shall comply with one of the following:
    1. 4.1. Provide automatic sprinkler system protection.
    2. 4.2. Provide a heat detection system throughout the attic that is arranged to activate the building fire alarm system.
    3. 4.3. Construct the attic using noncombustible materials.
    4. 4.4. Construct the attic using fire-retardant-treated wood complying with Section 2303.2 of the International Building Code.
    5. 4.5. Fill the attic with noncombustible insulation.
Automatic sprinkler systems installed in one- and two-family dwellings; Group R-3; Group R-4, Condition 1; and townhouses shall be permitted to be installed throughout in accordance with NFPA 13D.
Where automatic sprinkler systems are required by this code, quick-response or residential automatic sprinklers shall be installed in all of the following areas in accordance with Section 903.3.1 and their listings:
  1. Throughout all spaces within a smoke compartment containing care recipient sleeping units in Group I-2 in accordance with the International Building Code.
  2. Throughout all spaces within a smoke compartment containing treatment rooms in ambulatory care facilities.
  3. Dwelling units and sleeping units in Group I-1 and R occupancies.
  4. Light-hazard occupancies as defined in NFPA 13.
Automatic sprinklers shall be installed with regard to obstructions that will delay activation or obstruct the water distribution pattern and shall be in accordance with the applicable automatic sprinkler system standard that is being used. Automatic sprinklers shall be installed in or under covered kiosks, displays, booths, concession stands or equipment that exceeds 4 feet (1219 mm) in width. Not less than a 3-foot (914 mm) clearance shall be maintained between automatic sprinklers and the top of piles of combustible fibers.
Exception: Kitchen equipment under exhaust hoods protected with a fire-extinguishing system in accordance with Section 904.
Automatic sprinkler systems shall be automatically actuated unless specifically provided for in this code.
Water supplies for automatic sprinkler systems shall comply with this section and the standards referenced in Section 903.3.1. The potable water supply shall be protected against backflow in accordance with the requirements of this section and the International Plumbing Code. For connections to public waterworks systems, the water supply test used for design of fire protection systems shall be adjusted to account for seasonal and daily pressure fluctuations based on information from the water supply authority and as approved by the fire code official.
Where the domestic service provides the water supply for the automatic sprinkler system, the supply shall be in accordance with this section.
A single combination water supply shall be allowed provided that the domestic demand is added to the sprinkler demand as required by NFPA 13R.
Sprinkler systems defined as Class 4, Class 5, and Class 6 fire sprinkler systems by NAC 445A, shall require approval from the water purveyor prior to system installation.
Fire hose threads and fittings used in connection with automatic sprinkler systems shall be as prescribed by the fire code official.
Fire department connections for automatic sprinkler systems shall be installed in accordance with Section 912.
Limited area sprinkler systems shall be in accordance with the standards listed in Section 903.3.1 except as provided in Sections 903.3.8.1 through 903.3.8.5.
Limited area sprinkler systems shall not exceed six sprinklers in any single fire area.
Only areas classified by NFPA 13 as Light Hazard or Ordinary Hazard Group 1 shall be permitted to be protected by limited area sprinkler systems.
Where a limited area sprinkler system is installed in a building with an automatic wet standpipe system, sprinklers shall be supplied by the standpipe system. Where a limited area sprinkler system is installed in a building without an automatic wet standpipe system, water shall be permitted to be supplied by the plumbing system provided that the plumbing system is capable of simultaneously supplying domestic and sprinkler demands.
Control valves shall not be installed between the water supply and sprinklers unless the valves are of an approved indicating type that are supervised or secured in the open position.
Hydraulic calculations in accordance with NFPA 13 shall be provided to demonstrate that the available water flow and pressure are adequate to supply all sprinklers installed in any single fire area with discharge densities corresponding to the hazard classification.
Valves controlling the water supply for automatic sprinkler systems, pumps, tanks, water levels and temperatures, critical air pressures and waterflow switches on all sprinkler systems shall be electrically supervised by a listed fire alarm control unit.
Exceptions:
  1. Automatic sprinklers systems protecting one- and two-family dwellings.
  2. Limited area sprinkler systems in accordance with Section 903.3.8.
  3. Automatic sprinklers systems installed in accordance with NFPA 13R where a common supply main is used to supply both domestic water and the automatic sprinkler system, and a separate shutoff valve for the automatic sprinkler system is not provided.
  4. Jockey pump control valves that are sealed or locked in the open position.
  5. Control valves to paint spray booths or dip tanks that are sealed or locked in the open position.
  6. Valves controlling the fuel supply to fire pump engines that are sealed or locked in the open position.
  7. Trim valves to pressure switches in dry, preaction and deluge sprinkler systems that are sealed or locked in the open position.
Alarm, supervisory and trouble signals shall be distinctly different and shall be automatically transmitted to an approved supervising station or, when approved by the fire code official, shall sound an audible signal at a constantly attended location.

Exceptions:
  1. Underground key or hub valves are not required to be monitored.
  2. Backflow prevention devices located at the municipal water supply connection are not required to be monitored when either locked in the open position, or are located within an underground vault or an approved insulated enclosure.
Multi-story facilities shall provide zone annunciation on a floor-by-floor basis. In occupancies provided with a supervised sprinkler system, the following three distinctly different signals shall be transmitted to an approved supervising station:
  1. Water Flow Alarm
  2. Supervisory
  3. System Trouble
The supervising station shall only retransmit Water Flow Alarm signals to the Fire Department.
Approved audible and visual notification appliances shall be connected to each automatic sprinkler system. Such sprinkler waterflow alarm notification appliances shall be activated by water flow equivalent to the flow of a single sprinkler of the smallest orifice size installed in the system. Exterior audible and visual notification appliances shall be provided on the exterior of the building above the wall-mounted Fire Department Connection. One interior audible and visual notification appliance shall be provided near the main entrance or in a normally occupied location. In multiple-tenant facilities, one interior audible and visual notification appliance shall be provided near the main entrance or in a normally occupied location for each tenant space. Where a fire alarm system is installed, actuation of the automatic sprinkler system shall actuate the building fire alarm system.
Approved supervised indicating control valves shall be provided at the point of connection to the riser on each floor in multi-story facilities.
Approved isolation control valves shall be provided for Group A and M tenant spaces having public access exclusively to an adjacent assembly space or mall. Immediately adjacent tenant spaces may be combined up to a gross area of 5,200 square feet. This isolation control valve shall not define a separate sprinkler system. It shall be required in new construction and in existing buildings with a change of occupancy or construction affecting 20 or more sprinklers.
Sprinkler systems shall be tested and maintained in accordance with Section 901.
Automatic sprinkler systems in accordance with Section 903 and designed per the Fire Code shall be provided in unsprinklered existing structures at the locations described in Sections 903.7.1 through 903.7.3.2.
Where these provisions result in partially sprinklered buildings, durable weatherproof signage shall be provided at the Fire Department Connection(s) clearly indicating that the building is partially protected with fire sprinklers and clearly identifying the portion(s) of the building covered by the fire sprinkler systems.
Where required by the fire code official, the underground fire service and fire sprinkler lead-in to the first portion of an existing unsprinklered building shall be sized to a minimum Ordinary Hazard Group II sprinkler design for future expansion of the fire sprinkler system to cover all other portions of the building.
Additions to any building shall comply with this Section and the International Existing Building Code.
In existing unsprinklered buildings where sprinklers are provided for a building addition, whether required or not, the entire building shall be sprinklered.
Exceptions:
  1. In other than Group H occupancies, sprinklers are not required to be provided beyond the fire area of the addition where the addition fire area is separated from the reminder of the building by a fire barrier constructed in accordance with Section 707 of the International Building Code, and without openings.
  2. When approved by the building official, special hazard areas that are required to be sprinklered for specific uses, such as medical gas rooms, do not require the remainder of the building to be sprinklered.
In existing unsprinklered buildings where sprinklers are not otherwise required or provided in the building addition, the remainder of the building is not required to be provided with sprinklers where any of the following conditions are met:
  1. The building has a total area of less than 5,000 sq ft (464 m2) and the addition does not cause the existing building to trigger fire sprinkler protection due to occupancy-specific requirements contained in Section 903.
  2. In other than Group H occupancies, the fire area containing the addition is separated from adjacent fire areas by a fire barrier constructed in accordance with Section 707 of the International Building Code, and without openings.
Alterations within existing building shall comply with this Section and the International Existing Building Code.
In existing unsprinklered buildings where sprinklers are provided for an alteration, whether required or not, the entire building shall be sprinklered.
Exceptions:
  1. In other than Group H occupancies, sprinklers are not required to be provided beyond the fire area containing the alteration where it is separated from the reminder of the building by a fire barrier constructed in accordance with Section 707 of the International Building Code, and without openings.
  2. When approved by the building official, special hazard areas that are required to be sprinklered for specific uses, such as medical gas rooms, do not require the remainder of the building to be sprinklered.
In existing unsprinklered buildings where sprinklers are not otherwise required or provided in the alteration, the remainder of the building is not required to be provided with sprinklers due to the alteration.
A change of occupancy within an existing building shall comply with this Section and the International Existing Building Code.
In existing unsprinklered buildings where sprinklers are provided for an area containing a change of occupancy, whether required or not, the entire building shall be sprinklered.
Exceptions:
  1. In other than Group H occupancies, sprinklers are not required to be provided beyond the fire area containing the change of occupancy where it is separated from the reminder of the building by a fire barrier constructed in accordance with Section 707 of the International Building Code, and without openings.
  2. When approved by the building official, special hazard areas that are required to be sprinklered for specific uses, such as medical gas rooms, do not require the remainder of the building to be sprinklered.
In existing unsprinklered buildings where sprinklers are not otherwise required or provided in the change of occupancy, the remainder of the building is not required to be provided with sprinklers where any of the following conditions are met:
  1. The building has a total area of less than 5,000 sq ft (464 m2) and the change of occupancy does not cause the existing building to trigger fire sprinkler protection due to occupancy-specific requirements contained in Section 903.
  2. In other than Group H occupancies, the fire area containing the change of occupancy is separated from adjacent fire areas by a fire barrier constructed in accordance with Section 707, and without openings.
  3. When approved by the building official, a change in occupancy to an equal or lesser hazard shall not require the installation of sprinklers for any part of the building. To make such a determination, the building official may consider changes in occupant load, relative fire hazard and other relevant data.
Automatic fire-extinguishing systems, other than automatic sprinkler systems, shall be designed, installed, inspected, tested and maintained in accordance with the provisions of this section and the applicable referenced standards.
Service personnel providing or conducting maintenance on automatic fire-extinguishing systems, other than automatic sprinkler systems, shall possess a valid certificate issued by an approved governmental agency, or other approved organization for the type of system and work performed.
Automatic fire-extinguishing systems shall not be considered alternatives for the purposes of exceptions or reductions allowed for automatic sprinkler systems or by other requirements of this code.
Each required commercial kitchen exhaust hood and duct system required by Section 607 to have a Type I hood shall be protected with an approved automatic fire-extinguishing system installed in accordance with this code.
Automatic fire-extinguishing systems shall be installed in accordance with this section.
Electrical wiring shall be in accordance with NFPA 70.
Automatic fire-extinguishing systems shall be automatically actuated and provided with a manual means of actuation in accordance with Section 904.12.1. Where more than one hazard could be simultaneously involved in fire due to their proximity, all hazards shall be protected by a single system designed to protect all hazards that could become involved.
Exception: Multiple systems shall be permitted to be installed if they are designed to operate simultaneously.
Automatic equipment interlocks with fuel shutoffs, ventilation controls, door closers, window shutters, conveyor openings, smoke and heat vents and other features necessary for proper operation of the fire-extinguishing system shall be provided as required by the design and installation standard utilized for the hazard.
Where alarms are required to indicate the operation of automatic fire-extinguishing systems, distinctive audible, visible alarms and warning signs shall be provided to warn of pending agent discharge. Where exposure to automatic-extinguishing agents poses a hazard to persons and a delay is required to ensure the evacuation of occupants before agent discharge, a separate warning signal shall be provided to alert occupants once agent discharge has begun. Audible signals shall be in accordance with Section 907.5.2.
Where a building fire alarm system is installed, automatic fire-extinguishing systems shall be monitored by the building fire alarm system in accordance with NFPA 72.
Automatic fire-extinguishing systems shall be inspected and tested in accordance with the provisions of this section prior to acceptance.
Prior to conducting final acceptance tests, all of the following items shall be inspected:
  1. Hazard specification for consistency with design hazard.
  2. Type, location and spacing of automatic- and manual-initiating devices.
  3. Size, placement and position of nozzles or discharge orifices.
  4. Location and identification of audible and visible alarm devices.
  5. Identification of devices with proper designations.
  6. Operating instructions.
Notification appliances, connections to fire alarm systems and connections to approved supervising stations shall be tested in accordance with this section and Section 907 to verify proper operation.
The audibility and visibility of notification appliances signaling agent discharge or system operation, where required, shall be verified.
Connections to protected premises and supervising station fire alarm systems shall be tested to verify proper identification and retransmission of alarms from automatic fire-extinguishing systems.
Wet-chemical extinguishing systems shall be installed, maintained, periodically inspected and tested in accordance with NFPA 17A and their listing. Records of inspections and testing shall be maintained.
Systems shall be inspected and tested for proper operation at six-month intervals. Tests shall include a check of the detection system, alarms and releasing devices, including manual stations and other associated equipment. Extinguishing system units shall be weighed and the required amount of agent verified. Stored pressure-type units shall be checked for the required pressure. The cartridge of cartridge-operated units shall be weighed and replaced at intervals indicated by the manufacturer.
Fixed temperature-sensing elements shall be maintained to ensure proper operation of the system.
Dry-chemical extinguishing systems shall be installed, maintained, periodically inspected and tested in accordance with NFPA 17 and their listing. Records of inspections and testing shall be maintained.
Systems shall be inspected and tested for proper operation at six-month intervals. Tests shall include a check of the detection system, alarms and releasing devices, including manual stations and other associated equipment. Extinguishing system units shall be weighed, and the required amount of agent verified. Stored pressure-type units shall be checked for the required pressure. The cartridge of cartridge-operated units shall be weighed and replaced at intervals indicated by the manufacturer.
Fixed temperature-sensing elements shall be maintained to ensure proper operation of the system.
Foam-extinguishing systems shall be installed, maintained, periodically inspected and tested in accordance with NFPA 11 and NFPA 16 and their listing. Records of inspections and testing shall be maintained.
Foam-extinguishing systems shall be inspected and tested at intervals in accordance with NFPA 25.
Carbon dioxide extinguishing systems shall be installed, maintained, periodically inspected and tested in accordance with NFPA 12 and their listing. Records of inspections and testing shall be maintained.
Systems shall be inspected and tested for proper operation at 12-month intervals.
High-pressure cylinders shall be weighed and the date of the last hydrostatic test shall be verified at six-month intervals. Where a container shows a loss in original content of more than 10 percent, the cylinder shall be refilled or replaced.
The liquid-level gauges of low-pressure containers shall be observed at one-week intervals. Where a container shows a content loss of more than 10 percent, the container shall be refilled to maintain the minimum gas requirements.
System hoses shall be examined at 12-month intervals for damage. Damaged hoses shall be replaced or tested. At five-year intervals, all hoses shall be tested.
Hoses shall be tested at not less than 2,500 pounds per square inch (psi) (17 238 kPa) for high-pressure systems and at not less than 900 psi (6206 kPa) for low-pressure systems.
Auxiliary and supplementary components, such as switches, door and window releases, interconnected valves, damper releases and supplementary alarms, shall be manually operated at 12-month intervals to ensure that such components are in proper operating condition.
Halogenated extinguishing systems shall be installed, maintained, periodically inspected and tested in accordance with NFPA 12A and their listing. Records of inspections and testing shall be maintained.
Systems shall be inspected and tested for proper operation at 12-month intervals.
The extinguishing agent quantity and pressure of containers shall be checked at six-month intervals. Where a container shows a loss in original weight of more than 5 percent or a loss in original pressure (adjusted for temperature) of more than 10 percent, the container shall be refilled or replaced. The weight and pressure of the container shall be recorded on a tag attached to the container.
System hoses shall be examined at 12-month intervals for damage. Damaged hoses shall be replaced or tested. At five-year intervals, all hoses shall be tested.
For Halon 1301 systems, hoses shall be tested at not less than 1,500 psi (10 343 kPa) for 600 psi (4137 kPa) charging pressure systems and not less than 900 psi (6206 kPa) for 360 psi (2482 kPa) charging pressure systems. For Halon 1211 hand-hose line systems, hoses shall be tested at 2,500 psi (17 238 kPa) for high-pressure systems and 900 psi (6206 kPa) for low-pressure systems.
Auxiliary and supplementary components, such as switches, door and window releases, interconnected valves, damper releases and supplementary alarms, shall be manually operated at 12-month intervals to ensure such components are in proper operating condition.
Clean-agent fire-extinguishing systems shall be installed, maintained, periodically inspected and tested in accordance with NFPA 2001 and their listing. Records of inspections and testing shall be maintained.
Systems shall be inspected and tested for proper operation at 12-month intervals.
The extinguishing agent quantity and pressure of the containers shall be checked at six-month intervals. Where a container shows a loss in original weight of more than 5 percent or a loss in original pressure, adjusted for temperature, of more than 10 percent, the container shall be refilled or replaced. The weight and pressure of the container shall be recorded on a tag attached to the container.
System hoses shall be examined at 12-month intervals for damage. Damaged hoses shall be replaced or tested. All hoses shall be tested at five-year intervals.
Automatic water mist systems shall be permitted in applications that are consistent with the applicable listing or approvals and shall comply with Sections 904.11.1 through 904.11.3.
Automatic water mist systems shall be designed and installed in accordance with Sections 904.11.1.1 through 904.11.1.4.
Automatic water mist systems shall be designed and installed in accordance with NFPA 750 and the manufacturer's instructions.
Automatic water mist systems shall be automatically actuated.
Connections to a potable water supply shall be protected against backflow in accordance with the International Plumbing Code.
Where a secondary water supply is required for an automatic sprinkler system, an automatic water mist system shall be provided with an approved secondary water supply.
Supervision and alarms shall be provided as required for automatic sprinkler systems in accordance with Section 903.4.
Monitoring shall be provided as required for automatic sprinkler systems in accordance with Section 903.4.1.
Alarms shall be provided as required for automatic sprinkler systems in accordance with Section 903.4.2.
Floor control valves shall be provided as required for automatic sprinkler systems in accordance with Section 903.4.3.
Automatic water mist systems shall be tested and maintained in accordance with Section 901.6.
The automatic fire-extinguishing system for commercial cooking systems shall be of a type recognized for protection of commercial cooking equipment and exhaust systems of the type and arrangement protected. Preengineered automatic dry- and wet-chemical extinguishing systems shall be tested in accordance with UL 300 and listed and labeled for the intended application. Other types of automatic fire-extinguishing systems shall be listed and labeled for specific use as protection for commercial cooking operations. The system shall be installed in accordance with this code, NFPA 96, its listing and the manufacturer's installation instructions. Automatic fire-extinguishing systems of the following types shall be installed in accordance with the referenced standard indicated, as follows:
  1. Carbon dioxide extinguishing systems, NFPA 12.
  2. Automatic sprinkler systems, NFPA 13.
  3. Automatic water mist systems, NFPA 750.
  4. Foam-water sprinkler system or foam-water spray systems, NFPA 16.
  5. Dry-chemical extinguishing systems, NFPA 17.
  6. Wet-chemical extinguishing systems, NFPA 17A.
Exception: Factory-built commercial cooking recirculating systems that are tested in accordance with UL 710B and listed, labeled and installed in accordance with Section 304.1 of the International Mechanical Code.
A manual actuation device shall be located at or near a means of egress from the cooking area not less than 10 feet (3048 mm) and not more than 20 feet (6096 mm) from the kitchen exhaust system. The manual actuation device shall be installed not more than 48 inches (1200 mm) nor less than 42 inches (1067 mm) above the floor and shall clearly identify the hazard protected. The manual actuation shall require a maximum force of 40 pounds (178 N) and a maximum movement of 14 inches (356 mm) to actuate the fire suppression system.
Exception: Automatic sprinkler systems shall not be required to be equipped with manual actuation means.
The actuation of the fire extinguishing system shall automatically shut down the fuel or electrical power supply to the cooking equipment. The fuel and electrical supply reset shall be manual.
Where carbon dioxide systems are used, there shall be a nozzle at the top of the ventilating duct. Additional nozzles that are symmetrically arranged to give uniform distribution shall be installed within vertical ducts exceeding 20 feet (6096 mm) and horizontal ducts exceeding 50 feet (15 240 mm). Dampers shall be installed at either the top or the bottom of the duct and shall be arranged to operate automatically upon activation of the fire-extinguishing system. Where the damper is installed at the top of the duct, the top nozzle shall be immediately below the damper. Automatic carbon dioxide fire-extinguishing systems shall be sufficiently sized to protect all hazards venting through a common duct simultaneously.
Commercial-type cooking equipment protected by an automatic carbon dioxide extinguishing system shall be arranged to shut off the ventilation system upon activation.
Automatic sprinkler systems protecting commercial-type cooking equipment shall be supplied from a separate, indicating-type control valve that is identified. Access to the control valve shall be provided.
Sprinklers used for the protection of fryers shall be tested in accordance with UL 199E, listed for that application and installed in accordance with their listing.
Automatic fire-extinguishing systems protecting commercial cooking systems shall be maintained in accordance with Sections 904.12.5.1 through 904.12.5.3.
Where changes in the cooking media, positioning of cooking equipment or replacement of cooking equipment occur in existing commercial cooking systems, the automatic fire-extinguishing system shall be required to comply with the applicable provisions of Sections 904.12 through 904.12.4.
Automatic fire-extinguishing systems shall be serviced not less frequently than every 6 months and after activation of the system. Inspection shall be conducted by personnel licensed by the State of Nevada Fire Marshal's Office and a certificate of inspection shall be kept on site and shall be readily available to the fire code official.
Fusible links and automatic sprinkler heads shall be replaced annually, and other protection devices shall be serviced or replaced in accordance with the manufacturer's instructions.
Exception: Frangible bulbs are not required to be replaced annually.
Cooktops and ranges installed in the following occupancies shall be protected in accordance with Section 904.13.1:
  1. In Group I-1 occupancies where domestic cooking facilities are installed in accordance with Section 420.8 of the International Building Code.
  2. In Group I-2, Condition 1 occupancies where domestic cooking facilities are installed in accordance with Section 407.2.6 of the International Building Code.
  3. In Group R-2 college dormitories where domestic cooking facilities are installed in accordance with Section 420.10 of the International Building Code.
Cooktops and ranges shall be protected in accordance with Section 904.13.1.1 or 904.13.1.2.
The domestic recirculating or exterior vented cooking hood provided over the cooktop or range shall be equipped with an approved automatic fire-extinguishing system complying with the following:
  1. The automatic fire-extinguishing system shall be of a type recognized for protection of domestic cooking equipment. Preengineered automatic fire-extinguishing systems shall be listed and labeled in accordance with UL 300A and installed in accordance with the manufacturer's instructions.
  2. Manual actuation of the fire-extinguishing system shall be provided in accordance with Section 904.12.1.
  3. Interconnection of the fuel and electric power supply shall be in accordance with Section 904.12.2.
Cooktops and ranges shall include burners that have been tested and listed to prevent ignition of cooking oil with burners turned on to their maximum heat settings and allowed to operate for 30 minutes.
Aerosol fire-extinguishing systems shall be installed, periodically inspected, tested and maintained in accordance with Sections 901 and 904.4, NFPA 2010, and in accordance with their listing.
Such devices and appurtenances shall be listed and installed in compliance with manufacturer's instructions.
Not less than semiannually, an inspection shall be conducted by a trained person to assess whether the system is in working order. Not less than annually, a certified fire suppression contractor having knowledge of and training in the installation, operation and maintenance of the specific fire-extinguishing system shall inspect, test, service and maintain such system in accordance with this section and the manufacturer's specifications and servicing manuals.
Standpipe systems shall be provided in new buildings and structures in accordance with Sections 905.2 through 905.11. In buildings used for high-piled combustible storage, fire protection shall be in accordance with Chapter 32.
Standpipe systems shall be installed in accordance with this section and NFPA 14. Fire department connections for standpipe systems shall be in accordance with Section 912.
Standpipe systems shall be installed where required by Sections 905.3.1 through 905.3.8. Standpipe systems are allowed to be combined with automatic sprinkler systems.
Exception: Standpipe systems are not required in Group R-3 occupancies.
The standpipe design shall be approved by the fire code official. Standpipes in buildings with fire pumps shall be automatic. Standpipes in buildings not subject to freezing shall be wet. Standpipes in areas subject to freezing shall be permitted to be manual dry when equipped with both KNOX locking caps and/or KNOX plugs for fire department connections (FDC) and hose valves that are acceptable to the fire chief.
Approved Class I standpipe systems shall be installed throughout buildings where any of the following conditions exist:
  1. Four or more stories are above or below grade plane.
  2. The floor level of the highest story is located more than 30 feet (9144 mm) above the lowest level of the fire department vehicle access.
  3. The floor level of the lowest story is located more than 30 feet (9144 mm) below the highest level of the fire department vehicle access.
In determining the lowest level of fire department vehicle access, it shall not be required to consider:
  1. Recessed loading docks for four vehicles or less, and
  2. Conditions where topography makes access from the fire department vehicle to the building impractical or impossible.
Class I automatic wet standpipes shall be provided in nonsprinklered Group A buildings having an occupant load exceeding 1,000 persons.
Exceptions:
  1. Open-air-seating spaces without enclosed spaces.
  2. Class I automatic dry and semiautomatic dry standpipes or manual wet standpipes are allowed in buildings that are not high-rise buildings.
Covered mall and open buildings shall be equipped throughout with a standpipe system where required by Section 905.3.1. Mall buildings not required to be equipped with a standpipe system by Section 905.3.1 shall be equipped with Class I hose connections connected to the automatic sprinkler system sized to deliver water at 250 gallons per minute (946.4 L/min) at the most hydraulically remote hose connection while concurrently supplying the automatic sprinkler system demand. The standpipe system shall be designed not to exceed a 50 pounds per square inch (psi) (345 kPa) residual pressure loss with a flow of 250 gallons per minute (946.4 L/min) from the fire department connection to the hydraulically most remote hose connection. Hose connections shall be provided at each of the following locations:
  1. Within the mall at the entrance to each exit passageway or corridor.
  2. At each floor-level landing within interior exit stairways opening directly on the mall.
  3. At exterior public entrances to the mall of a covered mall building.
  4. At public entrances at the perimeter line of an open mall building.
  5. At other locations as necessary so that the distance to reach all portions of a tenant space does not exceed 100 feet (30 480 mm) of hose and 30-foot (9144 mm) of stream from a hose connection. The length of hose shall be measured along normal walking routes, and the stream shall not be expected to penetrate walls or windows.
Stages greater than 1,000 square feet (93 m2) in area shall be equipped with a Class III wet standpipe system with 11/2-inch and 21/2-inch (38 mm and 64 mm) hose connections on each side of the stage.
Exception: Where the building or area is equipped throughout with an automatic sprinkler system, a 11/2-inch (38 mm) hose connection shall be installed in accordance with NFPA 13 or in accordance with NFPA 14 for Class II or III standpipes.
The 11/2-inch (38 mm) hose connections shall be equipped with sufficient lengths of 11/2-inch (38 mm) hose to provide fire protection for the stage area. Hose connections shall be equipped with an approved adjustable fog nozzle and be mounted in a cabinet or on a rack.
Underground buildings shall be equipped throughout with a Class I automatic wet or manual wet standpipe system.
Buildings with a rooftop helistop or heliport shall be equipped with a Class I or III standpipe system extended to the roof level on which the helistop or heliport is located in accordance with Section 2007.5.
Standpipes in marinas and boatyards shall comply with Chapter 36.
Buildings or structures that have rooftop gardens or landscaped roofs and that are equipped with a standpipe system shall have the standpipe system extended to the roof level on which the rooftop garden or landscaped roof is located.
When required by the fire code official, buildings in excess of 10,000 square feet (929 m2) in area per level shall be equipped with a Class I standpipe system where any portion of the building's interior area is more than 200 feet (60,960 mm) measured vertically and horizontally from the nearest point of fire department apparatus access.
Class I standpipe hose connection shall be provided in all of the following locations:
  1. In every required interior exit stairway, a hose connection shall be provided for each story above and below grade plane. Hose connections shall be located at the main floor landing unless otherwise approved by the fire code official.
    Exception: A single hose connection shall be permitted to be installed in the open corridor or open breezeway between open stairs that are not greater than 75 feet (22 860 mm) apart.
  2. On each side of the wall adjacent to the exit opening of a horizontal exit
    Exception: Where floor areas adjacent to a horizontal exit are reachable from an interior exit stairway hose connection by a 30-foot (9144 mm) hose stream from a nozzle attached to 100 feet (30 480 mm) of hose, a hose connection shall not be required at the horizontal exit.
  3. In every exit passageway, at the entrance from the exit passageway to other areas of a building.
    Exception: Where floor areas adjacent to an exit passageway are reachable from an interior exit stairway hose connection by a 30-foot (9144 mm) hose stream from a nozzle attached to 100 feet (30 480 mm) of hose, a hose connection shall not be required at the entrance from the exit passageway to other areas of the building.
  4. In covered mall buildings, adjacent to each exterior public entrance to the mall and adjacent to each entrance from an exit passageway or exit corridor to the mall. In open mall buildings, adjacent to each public entrance to the mall at the perimeter line and adjacent to each entrance from an exit passageway or exit corridor to the mall.
  5. Where the roof has a slope less than four units vertical in 12 units horizontal (33.3-percent slope), a hose connection located to serve the roof or at the highest landing of an interior exit stairway with access to the roof provided in accordance with Section 1011.12.
  6. Throughout the entire building so that all portions of each floor level are provided with hose valve coverage utilizing 100 feet (30 480 mm) of hose and 30-foot (9144 mm) stream from any hose connection located on that floor or intermediate landing. The length of hose shall be measured along normal walking routes, and the stream shall not be expected to penetrate walls or windows.
Risers and laterals of Class I standpipe systems not located within an interior exit stairway or pressurized enclosure shall be protected by a degree of fire resistance equal to that required for vertical enclosures in the building in which they are located.
Exception: In buildings constructed of Type I or Type II construction in accordance with the Building Code or in buildings equipped throughout with an approved automatic sprinkler system, standpipe laterals and vertical risers that are not located within an interior exit stairway are not required to be enclosed within fire-resistance-rated construction.
In buildings where more than one standpipe is provided, the standpipes shall be interconnected in accordance with NFPA 14.

905.5 Location of Class II Standpipe Hose Connections

Amendment
This section has been amended by the state, county, or city.
Class II standpipe hose connections shall be located where required by Section 905.5.1. Hose connections shall be provided so that all areas described in Section 905.5.1 are within 30 feet (9144 mm) of a nozzle attached to 100 feet (30 480 mm) of hose. Class II standpipe hose connections shall be located where they will have ready access.
In Group A-1 and A-2 occupancies with occupant loads of more than 1,000, hose connections shall be located on each side of any stage, on each side of the rear of the auditorium, on each side of the balcony and on each tier of dressing rooms.
Fire-resistance-rated protection of risers and laterals of Class II standpipe systems is not required.
A minimum 1-inch (25 mm) hose shall be allowed to be used for hose stations in light-hazard occupancies where investigated and listed for this service and where approved by the fire code official.
Class III standpipe systems shall have hose connections located as required for Class I standpipes in Section 905.4 and shall have Class II hose connections as required in Section 905.5.
Risers and laterals of Class III standpipe systems shall be protected as required for Class I systems in accordance with Section 905.4.1.
In buildings where more than one Class III standpipe is provided, the standpipes shall be interconnected in accordance with NFPA 14.
Cabinets containing fire-fighting equipment, such as standpipes, fire hose, fire extinguishers or fire department valves, shall not be blocked from use or obscured from view.
Cabinets shall be identified in an approved manner by a permanently attached sign with letters not less than 2 inches (51 mm) high in a color that contrasts with the background color, indicating the equipment contained therein.
Exceptions:
  1. Doors not large enough to accommodate a written sign shall be marked with a permanently attached pictogram of the equipment contained therein.
  2. Doors that have either an approved visual identification clear glass panel or a complete glass door panel are not required to be marked.
Cabinets shall be unlocked.
Exceptions:
  1. Visual identification panels of glass or other approved transparent frangible material that is easily broken and allows access.
  2. Approved locking arrangements.
  3. Group I-3 occupancies.
Dry standpipes shall not be installed.
Exception: Where subject to freezing and in accordance with NFPA 14.

905.9 Valve Supervision

Amendment
This section has been amended by the state, county, or city.
Valves controlling water supplies shall be supervised in the open position so that a change in the normal position of the valve will generate a supervisory signal at the supervising station required by Section 903.4. Where a fire alarm system is provided, a signal shall also be transmitted to the control unit.
Exception:
  1. Valves to underground key or hub valves do not require supervision.
Standpipe systems required during construction and demolition operations shall be provided in accordance with Section 3313.
The fire code official is authorized to require locking caps on the outlets on dry standpipes where the responding fire department carries key wrenches for the removal that are compatible with locking FDC connection caps.
Where required, existing structures shall be equipped with standpipes installed in accordance with Section 905.
Portable fire extinguishers shall be installed in all of the following locations:
  1. In new and existing Group A, B, E, F, H, I, M, R-1, R-2, R-4 and S occupancies.
    Exceptions:
    1. In Group R-2 occupancies, portable fire extinguishers shall be required only in locations specified in Items 2 through 6 where each dwelling unit is provided with a portable fire extinguisher having a minimum rating of 1-A:10-B:C.
    2. In Group E occupancies, portable fire extinguishers shall be required only in locations specified in Items 2 through 6 where each classroom is provided with a portable fire extinguisher having a minimum rating of 2-A:20-B:C.
  2. Within 30 feet (9144 mm) distance of travel from commercial cooking equipment and from domestic cooking equipment in Group I-1; I-2, Condition 1; and R-2 college dormitory occupancies.
  3. In areas where flammable or combustible liquids are stored, used or dispensed.
  4. On each floor of structures under construction, except Group R-3 occupancies, in accordance with Section 3315.1.
  5. Where required by the sections indicated in Table 906.1.
  6. Special-hazard areas, including but not limited to laboratories, computer rooms and generator rooms, where required by the fire code official.
ADDITIONAL REQUIRED PORTABLE FIRE EXTINGUISHERS
SECTION SUBJECT
303.5 Asphalt kettles
307.5 Open burning
308.1.3 Open flames—torches
309.4 Powered industrial trucks
2005.2 Aircraft towing vehicles
2005.3 Aircraft welding apparatus
2005.4 Aircraft fuel-servicing tank vehicles
2005.5 Aircraft hydrant fuel-servicing vehicles
2005.6 Aircraft fuel-dispensing stations
2007.7 Heliports and helistops
2108.4