ADOPTS WITH AMENDMENTS:

International Fire Code 2018 (IFC 2018)

Heads up: There are no amended sections in this chapter.
The provisions of this chapter shall apply to the operation and maintenance of energy systems used for generating or storing energy. It shall not apply to equipment associated with the generation, control, transformation, transmission, or distribution of energy installations that is under the exclusive control of an electric utility or lawfully designated agency.
Electrical wiring and equipment used in connection with energy systems shall be maintained in accordance with Chapter 12, NFPA 70 and the applicable building code.
Emergency and standby power generators shall be listed.
Fuel lines supplying a generator set inside a high-rise building shall be maintained in accordance with the applicable building code. Fire resistance ratings shall be maintained in accordance with Chapter 7.
Emergency power systems shall automatically provide secondary power within 10 seconds after primary power is lost unless specified otherwise by the applicable building code. Standby power systems shall automatically provide secondary power within 60 seconds after primary power is lost unless specified otherwise by the applicable building code.
Emergency power systems and standby power systems shall be maintained to provide the required power for the minimum duration specified in the applicable building code without being refueled or recharged.
An uninterrupted source of power shall be provided for equipment where required by the manufacturer's instructions, the listing, the applicable building code, or the applicable referenced standards.
Emergency power systems shall be an acceptable alternative for installations that require standby power systems when permitted by the applicable building code.
Existing installations shall be maintained in accordance with the original approval and Section 1203.4.
Emergency and standby power systems shall be maintained in accordance with Sections 1203.2.1 through 1203.2.18.
Essential electrical systems for ambulatory care facilities shall be in accordance with Section 422.6 of the International Building Code.
Standby power shall be maintained for elevators and platform lifts as required in Sections 606.2 and 1009.5.
Standby power shall be maintained for emergency responder radio coverage systems in accordance with Section 510 and the applicable building code. Where specified in the applicable building code, the standby power supply shall be capable of operating the emergency responder radio coverage system at 100 percent system operation capacity for the duration specified in the applicable building code.
Emergency power shall be maintained for emergency voice or alarm communication systems as required by the applicable building code. The system shall be capable of powering the required load for a duration of not less than 24 hours, as required in NFPA 72.
Emergency power for exit signs shall be capable of powering the required load for a duration of not less than 90 minutes unless otherwise specified by the applicable building code.
Emergency power and standby power shall be maintained for gas detection systems in accordance with the applicable building code.
Essential electrical systems required by the applicable building code for Group I-2 occupancies shall be maintained in accordance with NFPA 70.
Where power-operated sliding doors or power-operated locks for swinging doors in Group I-3 occupancies are operable by a manual release mechanism at the door and emergency power is provided or required by the applicable building code, they shall be maintained.
Emergency and standby power shall be maintained in accordance with NFPA 70 in occupancies with hazardous materials when required by the applicable building code.
Standby power and emergency power shall be maintained for high-rise buildings in accordance with Section 1203 and the applicable building code.
Standby power shall be maintained in accordance with NFPA 70 for horizontal sliding doors as required by the applicable building code. The standby power supply shall have a capacity to operate not fewer than 50 closing cycles of the door unless otherwise specified by the applicable building code.
Standby power shall be maintained in accordance with NFPA 70 for hydrogen fuel gas rooms as required by the applicable building code.
Standby or emergency power shall be maintained for laboratory suites in accordance with Section 1203 and the applicable building code.
Emergency power shall be maintained for means of egress illumination in accordance with the applicable building code.
Standby power shall be maintained for auxiliary inflation systems in permanent membrane structures in accordance with the applicable building code. Auxiliary inflation systems shall be provided in temporary air-supported and air-inflated membrane structures in accordance with Section 3103.10.4.
Emergency power shall be maintained in accordance with NFPA 70 for semiconductor fabrication facilities as required by the applicable building code.
Standby power shall be maintained in accordance with NFPA 70 for smoke control as required by the applicable building code.
Emergency and standby power shall be maintained in accordance with NFPA 70 in underground buildings as required by the applicable building code.

Required critical circuits shall be protected using one of the following methods:

  1. Cables used for survivability of required critical circuits shall be listed in accordance with UL 2196 and shall have a fire-resistance rating of not less than 1 hour.
  2. Electrical circuit protective systems shall have a fire-resistance rating of not less than 1 hour. Electrical circuit protective systems shall be installed in accordance with their listing requirements.
  3. Construction having a fire-resistance rating of not less than 1 hour.
Emergency and standby power systems shall be maintained in accordance with NFPA 70, NFPA 110, and NFPA 111 such that the system is capable of supplying service within the time specified for the type and duration required in accordance with the applicable building code.
In Group I-2 occupancies, emergency and standby power systems shall be maintained in accordance with NFPA 99.
Inspection, testing and maintenance of emergency and standby power systems shall be in accordance with an approved schedule established upon completion and approval of the system installation.
Records of the inspection, testing and maintenance of emergency and standby power systems shall include the date of service, name of the servicing technician, a summary of conditions noted and a detailed description of any conditions requiring correction and what corrective action was taken. Such records shall be maintained.
Emergency and standby power system transfer switches shall be included in the inspection, testing and maintenance schedule required by Section 1203.4.2. Transfer switches shall be maintained free from accumulated dust and dirt. Inspection shall include examination of the transfer switch contacts for evidence of deterioration. When evidence of contact deterioration is detected, the contacts shall be replaced in accordance with the transfer switch manufacturer's instructions.

Emergency power systems, including all appurtenant components, shall be inspected and tested under load in accordance with NFPA 110, NFPA 70, and NFPA 111.

Exception: Where the emergency power system is used for standby power or peak load shaving, such use shall be recorded and shall be allowed to be substituted for scheduled testing of the generator set, provided that appropriate records are maintained.

In Group I-2 occupancies, emergency and standby power systems shall be inspected and tested under load in accordance with NFPA 99.
The test of the transfer switch shall consist of electrically operating the transfer switch from the normal position to the alternate position and then return to the normal position.

Routine maintenance, inspection and operational testing shall be overseen by a properly instructed individual.

**

Required emergency lighting utilizing battery powered emergency lights, exit signs, or both shall be tested annually. The emergency lights and exit signs shall be tested for proper operation for the time period established in the building code in effect when the equipment was installed. Written records of tests shall be retained by the owner of the building for a minimum of 2 years after the test is conducted and shall be made available to the fire code official upon request.
Solar photovoltaic power systems shall be maintained in accordance with Sections 1204.2 through 1204.5 and the applicable building code.

Roof access, pathways, and spacing requirements shall be maintained in accordance with the applicable building code. Pathways shall remain capable of supporting the loads required by the applicable building code. Pathways shall be maintained unobstructed and free from vent pipes, conduit or mechanical equipment unless otherwise approved in accordance with the applicable building code.

Exceptions:

  1. Detached, nonhabitable Group U structures including, but not limited to, detached garages serving Group R-3 buildings, parking shade structures, carports, solar trellises and similar structures.
  2. Roof access, pathways and spacing requirements need not be provided where the fire code official has determined that rooftop operations will not be employed.
Roof access points shall be maintained in areas that do not require placement of ground ladders over openings such as windows or doors and located at strong points of building construction in locations where the access point does not conflict with overhead obstructions such as tree limbs, wires, or signs.
Not fewer than two 36-inch-wide (914 mm) pathways on separate roof planes, from lowest roof edge to ridge, shall be provided on all buildings. Not fewer than one pathway shall be provided on the street or driveway side of the roof. For each roof plane with a photovoltaic array, not fewer than one 36-inch-wide (914 mm) pathway from lowest roof edge to ridge shall be provided on the same roof plane as the photovoltaic array, on an adjacent roof plane or straddling the same and adjacent roof planes.
For photovoltaic arrays occupying 33 percent or less of the plan view total roof area, a setback of not less than 18 inches (457 mm) wide is required on both sides of a horizontal ridge. For photovoltaic arrays occupying more than 33 percent of the plan view total roof area, a setback of not less than 36 inches (457 mm) wide is required on both sides of a horizontal ridge.

Where an automatic sprinkler system is installed within the dwelling in accordance with Section 903.3.1.3, setbacks at the ridge shall conform to one of the following:

  1. For photovoltaic arrays occupying 66 percent or less of the plan view total roof area, a setback of not less than 18 inches (457 mm) wide is required on both sides of a horizontal ridge.
  2. For photovoltaic arrays occupying more than 66 percent of the plan view total roof area, a setback of not less than 36 inches (914 mm) wide is required on both sides of a horizontal ridge.
Panels and modules installed on Group R-3 buildings shall not be placed on the portion of a roof that is below an emergency escape and rescue opening. A pathway of not less than 36 inches (914 mm) wide shall be provided to the emergency escape and rescue opening.

Access to systems for buildings, other than those containing Group R-3 occupancies, shall be provided in accordance with Sections 1204.3.1 through 1204.3.3.

Exception: Where it is determined by the fire code official that the roof configuration is similar to that of a Group R-3 occupancy, the residential access and ventilation requirements in Sections 1204.2.1.1 through 1204.2.1.3 are a suitable alternative.

There shall be a minimum 6-foot-wide (1829 mm) clear perimeter around the edges of the roof.

Exception: Where either axis of the building is 250 feet (76 200 mm) or less, the clear perimeter around the edges of the roof shall be permitted to be reduced to a minimum width of 4 feet (1219 mm).

Interior pathways shall be provided between array sections to meet the following requirements:

  1. Pathways shall be provided at intervals not greater than 150 feet (45 720 mm) throughout the length and width of the roof.
  2. A pathway not less than 4 feet (1219 mm) wide in a straight line to roof standpipes or ventilation hatches.
  3. A pathway not less than 4 feet (1219 mm) wide around roof access hatches, with not fewer than one such pathway to a parapet or roof edge.
A clear, brush-free area of 10 feet (3048 mm) shall be maintained for ground-mounted photovoltaic arrays.
Buildings with rapid shutdown solar photovoltaic systems shall have permanent labels in accordance with Sections 1204.5.1 through 1204.5.3.

The type of solar photovoltaic system rapid shutdown shall be labeled with one of the following:

  1. For solar photovoltaic systems that shut down the array and the conductors leaving the array, a label shall be provided. The first two lines of the label shall be uppercase characters with a minimum height of 3/8 inch (10 mm) in black on a yellow background. The remaining characters shall be uppercase with a minimum height of 3/16 inch (5 mm) in black on a white background. The label shall be in accordance with Figure 1204.5.1(1) and state the following:

    SOLAR PV SYSTEM EQUIPPED WITH RAPID SHUTDOWN. TURN RAPID SHUTDOWN SWITCH TO THE "OFF" POSITION TO SHUT DOWN PV SYSTEM AND REDUCE SHOCK HAZARD IN ARRAY.

  2. For photovoltaic systems that only shut down conductors leaving the array, a label shall be provided. The first two lines of the label shall be uppercase characters with a minimum height of 3/8 inch (10 mm) in white on a red background and the remaining characters shall be capitalized with a minimum height of 3/16 inch (5 mm) in black on a white background. The label shall be in accordance with Figure 1204.5.1(2) and state the following:

    THIS SOLAR PV SYSTEM EQUIPPED WITH RAPID SHUTDOWN. TURN RAPID SHUTDOWN SWITCH TO THE "OFF" POSITION TO SHUT DOWN CONDUCTORS OUTSIDE THE ARRAY. CONDUCTORS WITHIN ARRAY REMAIN ENERGIZED IN SUNLIGHT.

FIGURE 1204.5.1(1)

  LABEL FOR SOLAR PV SYSTEMS THAT REDUCE SHOCK HAZARD WITHIN ARRAY AND SHUT DOWN CONDUCTORS LEAVING ARRAY

FIGURE 1204.5.1(2)

  LABEL FOR SOLAR PV SYSTEMS THAT ONLY SHUT DOWN CONDUCTORS LEAVING THE ARRAY

The labels in Section 1204.5.1 shall include a simple diagram of a building with a roof. Diagram sections in red signify sections of the solar photovoltaic system that are not shut down when the rapid shutdown switch is turned off.
The rapid shutdown label in Section 1204.5.1 shall be located not greater than 3 feet (914 mm) from the service disconnecting means to which the photovoltaic systems are connected, and shall indicate the location of all identified rapid shutdown switches if not at the same location.
Solar photovoltaic systems that contain rapid shutdown in accordance with both Items 1 and 2 of Section 1204.5.1 or solar photovoltaic systems where only portions of the systems on the building contain rapid shutdown, shall provide a detailed plan view diagram of the roof showing each different photovoltaic system and a dotted line around areas that remain energized after the rapid shutdown switch is operated.

A rapid shutdown switch shall have a label located not greater than 3 feet (914 mm) from the switch that states the following:

RAPID SHUTDOWN SWITCH FOR SOLAR PV SYSTEM

Stationary fuel cell power systems shall be maintained in accordance with this section and the applicable building code.
(Section deleted.)
Installation of stationary fuel cell power systems shall be approved by the building official and shall be maintained in accordance with the applicable building code, NFPA 70 and NFPA 853, the manufacturer's instructions, and the listing. Stationary fuel cell power systems fueled by hydrogen shall be maintained in accordance with the applicable building code, NFPA 2 and NFPA 70, the manufacturer's installation instructions, and the listing.
Stationary fuel cell power systems shall not be operated in Groups R-3, R-4 and R-5 buildings, or dwelling units associated with Group R-2 buildings unless they are specifically listed for residential use and approved in accordance with the applicable building code.
Stationary fuel cell power systems operated in indoor locations shall be specifically listed and labeled for indoor use and comply with the applicable building code. For purposes of this section, an indoor location includes a roof and 50 percent or greater enclosing walls.
Where stationary fuel cell power systems are subject to impact by a motor vehicle, vehicle impact protection shall be provided in accordance with Section 312.

Separation required by the applicable building code for outdoor stationary fuel cell power systems shall be maintained from the following:

  1. Lot lines.
  2. Public ways.
  3. Buildings.
  4. Stored combustible materials.
  5. Hazardous materials.
  6. High-piled stock.
  7. Any portion of a designated means of egress system.
  8. Other exposure hazards.
The fuel supply for stationary fuel cell power systems shall be maintained in accordance with Chapters 53 and 58 and the applicable building code, based on the particular fuel being supplied to the system.
Access to a manual shutoff valve shall not be obstructed. Manual shutoff valves shall be maintained in accordance with the applicable building code.
Ventilation and exhaust for stationary fuel cell power systems shall be operated and maintained in accordance with NFPA 853 and the applicable building code.
Fire suppression for stationary fuel cell power systems shall be maintained in accordance with Chapter 9 and NFPA 853.

The provisions in this section are applicable to energy storage systems designed to provide electrical power to a building or facility. These systems are used to provide standby or emergency power, an uninterruptable power supply, load shedding, load sharing or similar capabilities.

**

Stationary storage battery systems having capacities exceeding the values indicated in the applicable building code or technologies not listed therein shall be approved by the building official. Stationary storage battery systems shall be maintained in accordance with the applicable building code.

TABLE 1206.2 BATTERY STORAGE SYSTEM THRESHOLD QUANTITIES Deleted

Where stationary storage battery systems are subject to impact by a motor vehicle, including fork lifts, vehicle impact protection shall be provided in accordance with Section 312.
Combustible materials not related to the stationary storage battery system shall not be stored in battery rooms, cabinets or enclosures. Combustible materials in occupied work centers covered by Section 1206.2.8.5 shall not be stored less than 3 feet (915 mm) from battery cabinets.
Storage batteries and associated equipment and systems shall be tested and maintained in accordance with the manufacturer's instructions and the applicable building code. Any storage batteries or system components used to replace existing units shall be compatible with the battery charger, energy management systems, other storage batteries and other safety systems. Introducing other types of storage batteries into the stationary storage battery system or other types of electrolytes into flow battery systems shall be treated as a new installation and require approval by the building official before the replacements are introduced into service.
Where stationary storage batteries are located in an occupied work center, they shall remain housed in a noncombustible cabinet or other approved enclosure where required by the applicable building code to prevent access by unauthorized personnel.
Unless otherwise required by the applicable building code, where stationary batteries are contained in cabinets in occupied work centers, the cabinet enclosures shall remain located within 10 feet (3048 mm) of the equipment that they support.

Approved signs shall be provided on doors or in locations near entrances to stationary storage battery system rooms and shall include the following or equivalent:

  1. The room contains energized battery systems.
  2. The room contains energized electrical circuits.
  3. The additional markings required in Section 1206.2.12 for the types of storage batteries contained within the room.

Exception: Existing stationary storage battery systems shall be permitted to include the signage required at the time it was installed.

Where the stationary storage battery system disconnecting means is not within sight of the main service disconnecting means, placards or directories shall be installed at the location of the main service disconnecting means indicating the location of stationary storage battery system disconnecting means in accordance with NFPA 70.
Battery storage cabinets provided in occupied work centers in accordance with Section 1206.2.8.5 shall have exterior labels that identify the manufacturer and model number of the system and electrical rating (voltage and current) of the contained battery system. There shall be signs within the cabinet that indicate the relevant electrical and chemical hazards, as required by Section 1206.2.12.
Stationary storage battery systems located outdoors shall be approved in accordance with the applicable building code and maintained in accordance with this chapter.

Separation required by the applicable building code for stationary storage battery systems shall be maintained from the following:

  1. Lot lines.
  2. Public ways.
  3. Buildings.
  4. Stored combustible materials.
  5. Hazardous materials.
  6. High-piled stock.
  7. Other exposure hazards.

Exception: The fire code official is authorized to approve smaller separation distances if large scale fire and fault condition testing conducted or witnessed and reported by an approved testing laboratory is provided showing that a fire involving the system will not adversely impact occupant egress from adjacent buildings, or adversely impact adjacent stored materials or structures.

Separation distances of outdoor stationary storage battery systems to means of egress required by the applicable building code shall be maintained.
Outdoor areas in which stationary storage battery systems are located shall be secured against unauthorized entry and safeguarded in an approved manner.
Where a stationary storage battery system includes an outer enclosure, the unit shall only be entered for inspection, maintenance and repair of batteries and electronics, and shall not be occupied for other purposes.

Fire areas within buildings containing stationary storage battery systems exceeding the maximum allowable quantities indicated in the applicable building code, shall comply with the applicable building code requirements for Group H occupancies. Where a maximum allowable quantity is not listed in the applicable building code, quantities must be approved by the building official.

TABLE 1206.2.9
MAXIMUM ALLOWABLE BATTERY QUANTITIES Deleted

The maintenance of storage batteries and related equipment shall comply with Sections 1206.2.10.1 through 1206.2.10.8.

Where required by the applicable building code, storage batteries and battery storage systems shall be listed.

Exception: Lead-acid batteries are not required to be listed.

Prepackaged and pre-engineered stationary storage battery systems shall be maintained in accordance with their listing and the manufacturer's instructions.
Where provided or required by the applicable building code, approved energy management systems for battery technologies other than lead-acid and nickel cadmium shall be operated and maintained within the manufacturer's specifications for monitoring and balancing cell voltages, currents and temperatures. Systems that transmit an alarm signal to an approved location in accordance with the applicable building code if potentially hazardous temperatures or other conditions such as short circuits, over voltage or under voltage are detected, shall be maintained.
Unless otherwise required by the applicable building code, battery chargers shall be compatible with the battery chemistry and the manufacturer's electrical ratings and charging specifications. Battery chargers shall be listed and labeled in accordance with UL 1564 or provided as part of a listed pre-engineered or prepackaged stationary storage battery system.
Where required by the applicable building code, inverters shall be listed and labeled in accordance with UL 1741. Only inverters listed and labeled for utility interactive system use and identified as interactive shall be allowed to operate in parallel with the electric utility power system to supply power to common loads.
Flame-arresting safety caps for vented batteries, provided or required in accordance with the applicable building code, shall be maintained.
Storage batteries provided with a listed device or other approved method to prevent, detect and control thermal runaway in accordance with the applicable building code shall be maintained.
Stationary storage battery systems that have the potential to release toxic and highly toxic gas during charging, discharging and normal use conditions shall comply with Chapter 60 and the applicable building code.
Fire-extinguishing and detection systems shall be maintained in accordance with Chapter 9 and the applicable building code.

Ventilation of rooms containing stationary storage battery systems shall be operated and maintained in accordance with the applicable building code.

Where cabinets contain storage batteries and are located in occupied spaces required by the applicable building code to be provided with ventilation, the ventilation shall be operated and maintained. Where supervision of ventilation systems is provided or required by the applicable building code, it shall be maintained.

Where required by Section 1206.2.12, approved methods and materials shall be provided for the control and neutralization of spills of electrolyte or other hazardous materials in areas containing stationary storage batteries as follows:

  1. For batteries with free-flowing electrolyte, the method and materials shall be capable of neutralizing a spill of the total capacity from the largest cell or block to a pH between 5.0 and 9.0.
  2. For batteries with immobilized electrolyte, the method and material shall be capable of neutralizing a spill of 3 percent of the capacity of the largest cell or block in the room to a pH between 5.0 and 9.0.
This section includes requirements applicable to specific types of storage batteries. Stationary storage battery systems with more than one type of storage battery shall comply with requirements applicable to each battery type.

Stationary storage battery systems utilizing lead-acid storage batteries shall be maintained in accordance with the applicable building code and the following:

  1. Ventilation shall be operated and maintained in accordance with Section 1206.2.11.3.
  2. Spill control and neutralization shall be in accordance with Section 1206.2.11.5.
  3. Thermal runaway protection shall be maintained for valve-regulated lead-acid (VRLA) storage batteries in accordance with Section 1206.2.10.7.
  4. The signage in Section 1206.2.8.6 shall indicate the room contains lead-acid batteries.

Stationary storage battery systems utilizing nickel-cadmium (Ni-Cd) storage batteries shall be maintained in accordance with the applicable building code and the following:

  1. Ventilation shall be operated and maintained in accordance with Section 1206.2.11.3.
  2. Spill control and neutralization shall be in accordance with Section 1206.2.11.5.
  3. Thermal runaway protection shall be provided for valve-regulated sealed nickel-cadmium storage batteries in accordance with Section 1206.2.10.7.
  4. The signage in Section 1206.2.8.6 shall indicate the room contains nickel-cadmium batteries.
The signage in Section 1206.2.8.6 shall indicate the type of lithium batteries contained in the room.

Stationary storage battery systems utilizing sodium-beta storage batteries shall be maintained in accordance with the applicable building code and the following:

  1. Ventilation shall be operated and maintained in accordance with Section 1206.2.11.3.
  2. The signage in Section 1206.2.8.6 shall indicate the type of sodium batteries in the room and include the instructions: "APPLY NO WATER.'

Stationary storage battery systems utilizing flow storage batteries shall be maintained in accordance with the applicable building code and the following:

  1. Ventilation shall be operated and maintained in accordance with Section 1206.2.11.3.
  2. Spill control and neutralization shall be in accordance with Section 1206.2.11.5.
  3. The signage required in Section 1206.2.8.6 shall indicate the type of flow batteries in the room.

Stationary storage battery systems utilizing battery technologies other than those described in Sections 1206.2.12.1 through 1206.2.12.5 shall be maintained in accordance with the applicable building code and the following:

  1. Gas detection systems shall be provided where required by the applicable building code and maintained in accordance with Chapter 9.
  2. Mechanical ventilation shall be operated and maintained in accordance with Section 1206.2.11.3.
  3. Spill control and neutralization shall be in accordance with Section 1206.2.11.5.
  4. In addition to the signage required in Section 1206.2.8.6, the marking shall identify the type of batteries present, describe the potential hazards associated with the battery type, and indicate that the room contains energized electrical circuits.

Capacitor energy storage systems having capacities exceeding 3 kWh (10.8 megajoules) shall comply with Sections 1206.3 through 1206.3.2.6.1.

Exception: Capacitors regulated by NFPA 70, Chapter 460, and capacitors included as a component part of other listed electrical equipment are not required to comply with this section.

Approved signs shall be provided on doors or in locations adjacent to the entrances to capacitor energy storage system rooms and shall include the following or equivalent verbiage and information:.

  1. "CAPACITOR ENERGY STORAGE ROOM."
  2. "THIS ROOM CONTAINS ENERGIZED ELECTRICAL CIRCUITS."
  3. An identification of the type of capacitors present and the potential hazards associated with the capacitor type.
Where the capacitor energy storage system disconnecting means is not within sight of the main service disconnecting means, placards or directories shall be installed at the location of the main service disconnecting means identifying the location of the capacitor energy storage system disconnecting means in accordance with NFPA 70.
Capacitor energy systems located outdoors shall be approved in accordance with the applicable building code and maintained in accordance with this chapter.

Separation required by the applicable building code for capacitor energy systems shall be maintained from the following:

  1. Lot lines.
  2. Public ways.
  3. Buildings.
  4. Stored combustible materials.
  5. Hazardous materials.
  6. High-piled stock.
  7. Other exposure hazards.

Exception: The fire code official is authorized to approve lesser separation distances if large-scale fire and fault condition testing conducted or witnessed and reported by an approved testing laboratory is provided showing that a fire involving the system will not adversely impact occupant egress from adjacent buildings, or adversely impact adjacent stored materials or structures.

Separation distances of capacitor energy systems to means of egress required by the applicable building code shall be maintained.
Outdoor areas in which capacitor energy storage systems are located shall be secured against unauthorized entry and safeguarded in an approved manner.
Where a capacitor energy storage system includes an outer enclosure, the unit shall only be entered for inspection, maintenance and repair of capacitors and electronics, and shall not be occupied for other purposes.
Fire areas within buildings containing capacitor energy storage systems that exceed the maximum energy capacity indicated in the applicable building code, shall comply with the applicable building code requirements for Group H occupancies. Where a maximum energy capacity is not listed in the applicable building code, quantities must be approved by the building official.
The operation and maintenance of capacitor energy storage systems and related equipment shall comply with Sections 1206.3.4.1 through 1206.3.4.5.
Where required by the applicable building code, capacitors and capacitor energy storage systems shall be listed in accordance with the applicable building code.
In addition to other applicable requirements of this code, prepackaged and pre-engineered capacitor energy storage systems shall be maintained in accordance with their listing and the manufacturer's instructions.
Where provided or required by the applicable building code, approved energy management systems shall be operated and maintained within the manufacturer's specifications for monitoring and balancing cell voltages, currents and temperatures. Systems that transmit an alarm signal to an approved location in accordance with the applicable building code if potentially hazardous temperatures or other conditions such as short circuits, over voltage or under voltage are detected, shall be maintained.
Capacitor chargers shall be compatible with the capacitor manufacturer's electrical ratings and charging specifications. Capacitor chargers shall be listed and labeled in accordance with UL 1564 or provided as part of a listed pre-engineered or prepackaged capacitor energy storage system.
Capacitor energy storage systems that have the potential to release toxic and highly toxic materials during charging, discharging and normal use conditions shall comply with Chapter 60.
Fire-extinguishing and smoke detection systems provided or required by the applicable building code in capacitor energy storage system rooms shall be maintained in accordance with Chapter 9.

Ventilation of rooms containing capacitor energy storage systems shall be operated and maintained in accordance with the applicable building code.

Where supervision of ventilation systems is provided or required by the applicable building code, it shall be maintained.

Where capacitors contain liquid electrolyte, approved methods and materials shall be provided for the control and neutralization of spills of electrolyte or other hazardous materials in areas containing capacitors as follows:

  1. For capacitors with free-flowing electrolyte, the method and materials shall be capable of neutralizing a spill of the total capacity from the largest cell or block to a pH between 5.0 and 9.0.
  2. For capacitors with immobilized electrolyte, the method and material shall be capable of neutralizing a spill of 3 percent of the capacity of the largest cell or block in the room to a pH between 5.0 and 9.0.
Capacitors and associated equipment and systems shall be tested, maintained and repaired in accordance with the manufacturer's instructions and the applicable building code.
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