Current through Vol. 42, No. 3, October 15, 2024
Section 748:20-4-17 - IFC[®] 2018 Chapter 12 Energy SystemsChapter 12 of the Oklahoma adopted IFC® 2018 is adopted with the following modifications:
(1) Section 1201.1 Scope. This section has been modified to add repair, retrofitting, commissioning and decommissioning of energy systems to the list of provisions that the chapter applies to, in regards to energy systems used for generating or storing energy. This section has been modified to read: 1201.1 Scope. The provisions of this chapter shall apply to the installation, operation, maintenance, repair, retrofitting, testing, commissioning and decommissioning 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.(2) Section 1201.3 Mixed system installation. This section has been modified to clarify where approved, aggregate nameplate kWh of all energy storage systems in a fire area shall not exceed the maximum quantity specified for any of the energy systems in the chapter. This section has been modified to read: 1201.3 Mixed system installation. Where approved, the aggregate nameplate kWh energy of all energy storage systems in a fire area shall not exceed the maximum quantity specified for any of the energy systems in this chapter. Where required by the fire code official, a hazard mitigation analysis shall be provided and approved in accordance with Section 104.7.2 to evaluate any potential interaction between various energy systems and technologies.(3) Section 1202.1 Definitions. This section has been modified to delete "Lead acid battery," "CAPACITOR ARRAY," and "STATIONARY BATTERY ARRAY," from the list of terms defined in Chapter 2. The change modifies the term "ENERGY MANAGEMENT SYSTEMS" to "ENERGY STORAGE MANAGEMENT SYSTEMS," and adds "ENERGY STORAGE SYSTEM," "ENERGY STORAGE SYSTEM CABINET," ENERGY STORAGE SYSTEM COMMISSIONING," "ENERGY STORAGE SYSTEM DECOMMISSIONING," "ENERGY STORAGE SYSTEM, ELECTROCHEMICAL," "ENERGY STORAGE SYSTEM, MOBILE," and "ENERGY STORAGE SYSTEM, WALK-IN UNIT" to the list of terms defined in Chapter 2. This section has been modified to read: (A) BATTERY SYSTEM, STATIONARY STORAGE. (C) CAPACITOR ENERGY STORAGE SYSTEM. (E) EMERGNCY POWER SYSTEM.(F) ENERGY STORAGE MANAGEMENT SYSTEM. (G) ENERGY STORAGE SYSTEM. (H) ENERGY STORAGE SYSTEM CABINET. (I) ENERGY STORAGE SYSTEM COMMISSIONING.(J) ENERGY STORAGE SYSTEM DECOMMISSIONING.(K) ENERGY STORAGE SYSTEM, ELECTROCHEMICAL.(L) ENERGY STORAGE SYSTEM, MOBILE.(M) ENERGY STORAGE SYSTEM, WALK-IN UNIT. (N) FUEL CELL POWER SYSTEM, STATIONARY.(O) STANDBY POWER SYSTEM.(4) Section 1203.2.3 Emergency responder radio coverage systems. This section has been modified to address errata published by the ICC. The correction requires the standby power to be capable of operating the emergency responder radio coverage system at 100 percent of the system operation for a duration of not less than 12 hours. This section has been modified to read: 1203.2.3 Emergency responder radio coverage systems. Standby power shall be provided for emergency responder radio coverage systems as required by Section 510.4.2.3. The standby power shall be capable of operating the emergency responder radio coverage system at 100 percent system operation for a duration of not less than 12 hours. (5) Section 1203.2.5 Exhaust ventilation. This section has been added to require standby power to be provided for mechanical exhaust ventilation systems required by Section 1206.6.1.2.1; and require the system to be capable of powering the required load for a duration of not less than two hours. This section has been added to read: 1203.2.5 Exhaust ventilation. Standby power shall be provided for mechanical exhaust ventilation systems as required by 1206.6.1.2.1. The system shall be capable of powering the required load for a duration of not less than two hours.(6) Section 1203.2.6 Exit signs. This section has been modified to change the section number from "1203.2.5" to "1203.2.6." This section has been modified to read: 1203.2.6. Exit signs. Emergency power shall be provided for exit signs as required in Section 1013.6.3. The system shall be capable of powering the required load for a duration of not less than 90 minutes.(7) Section 1203.2.7 Gas detection systems. This section has been modified to change the section number from "1203.2.6" to "1203.2.7," change the section references for required for emergency power from "1203.2.9" to "1203.2.10" and "1203.2.16" to "1203.2.17" and add a reference to Section 1206.6.2.2.4 for standby power. This section has been modified to read: 1203.2.7. Gas detection systems. Emergency power shall be provided for gas detection systems where required by Sections 1203.2.10 and 1203.2.17. Standby power shall be provided for gas detection systems where required by Sections 916.5 and 1206.6.2.2.4.(8) Section 1203.2.8 Group I-2 occupancies. This section has been modified to change the section number from "1203.2.7" to "1203.2.8." This section has been modified to read: 1203.2.8. Group I-2 occupancies. Essential electrical systems for Group I-2 occupancies shall be in accordance with Section 407.11 of the International Building Code®.(9) Section 1203.2.9 Group I-3 occupancies. This section has been modified to change the section number from "1203.2.8" to "1203.2.9." This section has been modified to read; 1203.2.9 Group I-3 occupancies. Power-operated sliding doors or power-operated locks for swinging doors in Group I-3 occupancies shall be operable by a manual release mechanism at the door. Emergency power shall be provided for the doors and locks. Exceptions: (A) Emergency power is not required in facilities were the provisions for remote locking and unlocking of occupied rooms in Occupancy Condition 4 are not required as set forth in the International Building Code®.(B) Emergency power is not required where remote mechanical operation releases are provided.(10) Section 1203.2.10 Hazardous materials. This section has been modified to change the section number from "1203.2.9" to "1203.2.10." This section has been modified to read: 1203.2.10 Hazardous materials. Emergency and standby power shall be provided in occupancies with hazardous materials as required in the following sections: (A) Sections 5004.7 and 5005.1.5 for hazardous materials.(B) Sections 6004.2.2.8 and 6004.3.4.2 for highly toxic and toxic gases.(C) Sections 6204.1.11 for organic peroxides. (11) Section 1203.2.11 High-rise buildings. This section has been modified to change the section number from "1203.2.10" to "1203.2.11." This section has been modified to read: 1203.2.11 High-rise buildings. Standby power and emergency power shall be provided for high-rise buildings as required in Section 403 of the International Building Code®, and shall be in accordance with Section 1203. (12) Section 1203.2.12 Special purpose horizontal sliding doors. This section has been modified to change the number from "1203.2.11" to "1203.2.12." This section has been modified to read: 1203.2.12 Special purpose horizontal sliding doors. Standby power shall be provided for horizontal sliding doors as required in Section 1010.1.4.3. The standby power supply shall have a capacity to operate not fewer than 50 closing cycles of the door.(13) Section 1203.2.13 Hydrogen fuel gas room. This section has been modified to change the section number from "1203.2.12" to "1203.2.13." This section has been modified to read: 1203.2.13 Hydrogen fuel gas room. Standby power shall be provided for hydrogen fuel gas rooms as required by Section 5808.7.(14) Section 1203.2.14 Laboratory suites. This section has been modified to change the section number from "1203.2.13" to "1203.2.14." This section has been modified to read: 1203.2.14 Laboratory suites. Standby or emergency power shall be provided in accordance with Section 5004.7 where laboratory suites are located above the sixth story above grade plane or located in a story below grade plane.(15) Section 1203.2.15 Means of egress illumination. This section has been modified to change the section number from "1203.2.14" to "1203.2.15." This section has been added to read: 1203.2.15 Means of egress illumination. Emergency power shall be provided for means of egress illumination in accordance with Sections 1008.3 and 1104.5.1.(16) Section 1203.2.16 Membrane structures. This section has been modified to change the section number from "1203.2.15" to "1203.2.16." This section has been modified to read: 1203.2.16 Membrane structures. Standby power shall be provided for auxiliary inflation systems in permanent structures in accordance with Section 2702 of the International Building Code®. Auxiliary inflation systems shall be provided in temporary air-supported and air-inflated membrane structures in accordance with Section 3103.10.4.(17) Section 1203.2.17 Semiconductor fabrication facilities. This section has been modified to change the section number from "1203.2.16" to "1203.2.17." This section has been modified to read: 1203.2.17 Semiconductor fabrication facilities. Emergency power shall be provided for semiconductor fabrication facilities as required in Section 2703.15.(18) Section 1203.2.18 Smoke control systems. This section has been modified to change the section number from "1203.2.17" to "1203.2.18." This section has been modified to read: 1203.2.18 Smoke control systems. Standby power shall be provided for smoke control systems as required in Section 909.11.(19) Section 1203.2.19 Underground buildings. This section has been modified to change the section number from "1203.2.18" to "1203.2.19." This section has been modified to read: 1203.2.19 Underground buildings. Emergency and standby power shall be provided in underground buildings as required by Section 405 of the International Building Code® and shall be in accordance with Section 1203.(20) Section 1205.1 General. This section has been modified to add an exception for the temporary use of a fuel cell powered electric vehicle to power a Group R-3 or R-4 building while parked so long as it complies with Section 1205.14. This section has been modified to read: 1205.1 General. Stationary fuel cell power systems in new and existing occupancies shall comply with this section. Exception: The temporary use of a fuel cell powered electric vehicle to power a Group R-3 or R-4 building while parked shall comply with Section 1205.14.(21) Section 1205.5 Residential use. This section has been modified to add an exception for the temporary use of a fuel cell powered electric vehicle to power a Group R-3 or R-4 building while parked as long as it complies with Section 1205.14. This section has been modified to read: 1205.5 Residential use. Stationary fuel cell powered systems shall not be installed in Group R-3 and R-4 buildings, or dwelling units associated with Group R-2 buildings unless they are specifically listed for residential use. Exception: The temporary use of a fuel cell powered electric vehicle to power a Group R-3 or R-4 building while parked shall comply with Section 1205.14. (22) Section 1205.14 Group R-3 and R-4 Fuel Cell Vehicle ESS Use. This section has been added to allow the temporary use of a dwelling unit owner or occupant's fuel cell powered electrical vehicle to power a Group R-3 or R-4 dwelling while parked in an attached or detached garage or outside as long as it complies with the vehicle manufacturer's installation instructions and NFPA 70®. This section has been added to read: 1205.14 Group R-3 and R-4 Fuel Cell Vehicle ESS Use. The temporary use of the dwelling unit owner or occupant's fuel cell powered electrical vehicle to power a Group R-3 or R-4 dwelling while parked in an attached or detached garage or outside shall comply with the vehicle manufacturer's installation instructions and NFPA 70®.(23) Section 1206.1 General. This section has been modified to delete the existing language in the section, change the title of the section from "Scope" to "General," and add new language stating the provisions in the section are applicable to stationary and mobile electrical Energy Storage Systems (ESS) and provides an exception for ESS in Group R-3 and R-4 occupancies that comply with Section 1206.11. This section has been modified to read: 1206.1 General. The provisions in this section are applicable to stationary and mobile electrical Energy Storage Systems (ESS). Exception: ESS in Group R-3 and R-4 occupancies shall comply with Section 1206.11. (24) Table 1206.1 Energy Storage System (ESS) Threshold Quantities. This section has been modified to change the table number from "1206.2" to "1206.1" and the section heading from "Battery Storage System Threshold Quantities" to "Energy Storage System (ESS) Threshold Quantities." The rows for the battery types "Lithium, all types" and "Sodium, all types" have been deleted and four new rows have been added. The footnotes at the end of the table have been modified. The table has been added to read: Table 1206.1 Energy Storage System (ESS) Threshold Quantities. The table now contains 9 rows with 2 columns in each row and is described below: (A) Row 1 is the header row and contains the following headings in each of the two columns: (i) Row 1, column 1 is entitled "Technology." (ii) Row 1, column 2 is entitled "Energy Capacity" with a superscript "a" at the end of the heading title to indicate footnote "a" applies.(B) Row 2 has been modified to add a measurement in Megajoules to the second column. The row has been modified to read: (i) Row 2, column 1 lists the technology "Flow batteries" with a superscript "b" to indicate footnote "b" applies.(ii) Row 2, column 2 lists the energy capacity "20 KWh (72 Megajoules)." (C) Row 3 has been modified to add a measurement in Megajoules to the second column along with a superscript "c" to indicate footnote "c" applies. The row has been modified to read: (i) Row 3, column 1 lists the technology "Lead acid batteries, all types." (ii) Row 3, column 2 lists the energy capacity "70 Kwh (252 Megajoules" with a superscript "c" to indicate footnote "c" applies.(D) Row 4 has been modified to delete the original text related to "Lithium, all types" and the line below related to "Nickel cadmium batteries" has been moved up. The line has modified to add a measurement in Megajoules in the second column and has been modified to read: (i) Row 4, column 1 lists the technology "Nickel cadmium batteries (Ni-Cd)." (ii) Row 4, column 2 lists the energy capacity "70 KWh (252 Megajoules)." (E) Row 5 has been added and contains the following: (i) Row 5, column 1 lists the technology "Lithium-ion batteries." (ii) Row 5, column 2 lists the energy capacity "20 KWh (70 Megajoules)." (F) Row 6 had been added and contains the following: (i) Row 6, column 1 lists the technology "Capacitor ESS." (ii) Row 6, column 2 lists the energy capacity "3 KWh (10.8 Megajoules)." (G) Row 7 has been added and contains the following: (i) Row 7, column 1 lists the technology "Nickel Metal Hydride (NI-MH)." (ii) Row 7, column 2 lists the energy capacity "70 KWh (252 Megajoules)." (H) Row 8 has been added and contains the following: (i) Row 8, column 1 lists the technology "Other electrochemical ESS technologies." (ii) Row 8, column 2 lists the energy capacity "3 KWh (10.8 Megajoules)." (I) Row 9 has been modified to add a measurement in Megajoules in the second column and has been modified to read: (i) Row 9, column 1 lists the technology "Other battery technologies." (ii) Row 9, column 2 lists the energy capacity "10 KWh (36 Megajoules)." (J) The wording "For SI: 1 kilowatt hour = 3.6 megajoules" has been stricken from under the table. (K) Footnote "a" has been modified to read: "Energy capacity is the total energy capable of being stored (nameplate rating), not the usable energy rating. For units rated in amp- hours, kWh shall equal rated voltage times amp-hour rating divided by 1000." (L) Footnote "b" states: "Shall include vanadium, zinc-bromide, polysulfide-bromide, and other flowing electrolyte type technologies." (M) Footnote "c" has been modified to read: "50 gallons of lead acid battery electrolyte shall be considered equivalent to 70 kWh." (25) Section 1206.1.1 Scope. This section has been added to require Energy Storage Systems (ESS) that have capacities exceeding the values shown in Table 1206.1 to comply with this section. This section has been added to read: 1206.1.1 Scope. ESS having capacities exceeding the values shown in Table 1206.1 shall comply with this section.(26) 1206.1.2 Permits. This section has been modified to change the section number from "1206.2.1" to "1206.1.2," delete the requirement for permits to be obtained for the installation and operation of stationary battery storage systems in accordance with Section 105.7.2 and require permits to be obtained for electrical Energy Storage Systems under specific conditions. This section has been modified to read: 1206.1.2 Permits. Permits shall be obtained for ESS as follows: (A) Construction permits shall be obtained for stationary ESS installations and for mobile ESS charging and storage installations covered by 1206.10.1. Permits shall be obtained in accordance with Section 105.7.2.(B) Operational permits shall be obtained for stationary ESS installations and for mobile ESS deployment operations covered by Section 1206.10.3. Permits shall be obtained in accordance with Section 105.6.51.(27) Section 1206.1.2.1 Communication utilities. This section has been added to clarify operational permits shall not be required for lead acid and nickel cadmium battery systems at facilities under the control of communications utilities that comply with NFPA 76® and operate at less than 50 VAC and 60 VDC. This section has been added to read: 1206.1.2.1 Communication utilities. Operational permits shall not be required for lead acid and nickel cadmium battery systems at facilities under the control of communications utilities that comply with NFPA 76® and operate at less than 50 VAC and 60 VDC.(28) Section 1206.1.3 Construction documents. This section has been modified to change the section number from "1206.2.2" to "1206.1.3" and modify the list of criteria to be provided with the permit application for the electrical Energy Storage System (ESS). This section has been modified to read: 1206.1.3 Construction documents. The following information shall be provided with the permit application: (A) Location and layout diagram of the room or area in which the ESS is to be installed.(B) Details on the hourly fire-resistance ratings of assemblies enclosing the ESS.(C) The quantities and types of ESS to be installed.(D) Manufacturer's specifications, ratings and listings of each ESS.(E) Description of the energy (battery) management system and their operation.(F) Location and content of required signage. (G) Details on fire suppression, smoke or fire detection, thermal management, ventilation, exhaust and deflagration venting systems, if provided.(H) Support arrangement associated with the installation, including any required seismic restraint.(I) A commissioning plan complying with 1206.2.1.(J) A decommissioning plan complying with 1206.2.3.(29) Section 1206.1.4 Hazard mitigation analysis. This section has been modified to change the section number from "1206.2.3" to "1206.1.4" and modify the conditions under which a failure modes and effects analysis (FMEA) or other approved hazard mitigation analysis shall be provided in accordance with Section 104.7.2. This section has been modified to read: 1206.1.4 Hazard mitigation analysis. A failure modes and effects analysis (FMEA) or other approved hazard mitigation analysis shall be provided in accordance with Section 104.7.2 under any of the following conditions: (A) Where ESS technologies not specifically identified in Table 1206.1 are provided.(B) More than one ESS technology is provided in a room or enclosed area where there is a potential for adverse interaction between technologies.(C) Where allowed as a basis for increasing maximum allowable quantities. See Section 1206.5.2.(30) Section 1206.1.4.1 Fault condition. This section has been modified to change the section number from "1206.2.3.1" to "1206.1.4.1." This section has been modified to read: 1206.1.4.1 Fault condition. The hazard mitigation analysis shall evaluate the consequences of the following failure mode. Only single failure modes shall be considered. (A) A thermal runaway condition in a single ESS rack, module or unit.(B) Failure of any battery (energy) management system.(C) Failure of any required ventilation or exhaust system.(D) Voltage surges on the primary electric supply.(E) Short circuits on the load side of the ESS.(F) Failure of the smoke detection, fire detection, fire suppression or gas detection system.(G) Required spill neutralization not being provided or failure of a required secondary containment system.(31) Section 1206.1.4.2 Analysis approval. This section has been modified to change the section number from "1206.2.3.2" to "1206.1.4.2" and modify the requirements for the fire code official to approve the hazardous mitigation analysis under certain conditions. This section has been modified to read: 1206.1.4.2 Analysis approval. The fire code official is authorized to approve the hazardous mitigation analysis provided the consequences of the hazard mitigation analysis demonstrates: (A) Fires will be contained within unoccupied ESS rooms or areas for the minimum duration of the fire-resistance rated separations identified in Section 1206.7.4.(B) Fires in occupied work centers will be detected in time to allow occupants within the room or area to safely evacuate. (C) Toxic and highly toxic gases released during fires will not reach concentrations in excess of Immediately Danger to Life and Health (IDLH) level in the building or adjacent means of egress routes during the time deemed necessary to evacuate occupants from any affected area.(D) Flammable gases released from ESS during charging, discharging and normal operation will not exceed 25 percent of their lower flammability level (LFL).(E) Flammable gases released from ESS during fire, overcharging and other abnormal conditions will be controlled through the use of ventilation of the gases preventing accumulation or by deflagration venting.(32) Section 1206.1.4.3 Additional protection measures. This section has been modified to change the section reference number from "1206.2.3.3" to "1206.1.4.3," remove the wording "stationary storage battery," and replace it with "ESS" (Energy Storage Systems), and change a section reference number from "1206.2" to "1206." This section has been modified to read: 1206.1.4.3 Additional protection measures. Construction, equipment, and systems that are required for the ESS to comply with the hazardous mitigation analysis, including but not limited to those specifically described in Section 1206 shall be installed, maintained and tested in accordance with nationally recognized standards and design parameters.(33) Section 1206.1.5 Large scale fire test. This section has been added to require large scale fire testing to be conducted on a representative Energy Storage System (ESS) in accordance with UL 9540A, when required elsewhere in Section 1206. The change requires the test to be conducted or witnessed and reported by an approved testing laboratory and show that a fire involving one ESS will not propagate to an adjacent ESS, and where installed within buildings, enclosed areas and walk-in units will be contained within the room, enclosed area or walk-in unit for a duration equal to the fire resistant rating of the room separation specified in Section 1206.7.4. The change requires the test report to be submitted to fire code official for review and approval in accordance with Section 104.7.2. This section has been added to read: 1206.1.5 Large scale fire test. Where required elsewhere in Section 1206, large scale fire testing shall be conducted on a representative ESS in in accordance with UL 9540A. The testing shall be conducted or witnessed and reported by an approved testing laboratory and show that a fire involving one ESS will not propagate to an adjacent ESS, and where installed within buildings, enclosed areas, and walk-in units will be contained within the room, enclosed area or walk-in unit for a duration equal to the fire resistance rating of the room separation specified in Section 1206.7.4. The test report shall be provided to the fire code official for review and approval in accordance with Section 104.7.2.(34) Section 1206.1.6 Fire remediation. This section has been added to require specific actions for the system owner, agent or lessee to take, at their expense, to mitigate the hazard or remove damaged equipment from the premises to a safe location, when a fire or other event has damaged the Energy Storage System (ESS) and ignition or re-ignition of the ESS is possible. This section has been added to read: 1206.1.6 Fire remediation. Where a fire or other event has damaged ESS and ignition or re-ignition of the ESS is possible, the system owner, agent, or lessee shall take the following actions, at their expense, to mitigate the hazard or remove damaged equipment from the premises to a safe location.(35) Section 1206.1.6.1 Fire mitigation personnel. This section has been added to require trained personnel to be on site to respond to a possible ignition or re-ignition of a damaged Energy Storage System (ESS) if, in the opinion of the fire code official, it is essential for public safety. The section requires the ESS system owner, agent or lessee to immediately dispatch one or more fire mitigation personnel to the premise, as required and approved, at their expense. The change requires the personnel to remain on duty continuously after the fire department leaves the premises until the damaged energy storage equipment is removed from the premises, or earlier if the fire code official indicates the public safety hazard has been abated. This section has been added to read: 1206.1.6.1 Fire mitigation personnel. Where, in the opinion of the fire code official, it is essential for public safety that trained personnel be on site to respond to possible ignition or re-ignition of a damaged ESS, the system owner, agent or lessee shall immediately dispatch one or more fire mitigation personnel to the premise, as required and approved, at their expense. These personnel shall remain on duty continuously after the fire department leaves the premise until the damaged energy storage equipment is removed from the premises, or earlier if the fire code official indicates the public safety hazard has been abated. (36) Section 1206.1.6.2 Duties. This section has been added to list out four responsibilities of the on-duty fire mitigation personnel. This section has been added to read: 1206.1.6.2 Duties. On-duty fire mitigation personnel shall have the following responsibilities: (A) Keep diligent watch for fires, obstructions to means of egress and other hazards.(B) Immediately contact the fire department if their assistance is needed to mitigate any hazards or extinguish fires. (C) Take prompt measures for remediation of hazards in accordance with the decommissioning plan in Section 1206.2.3.(D) Take prompt measures to assist in the evacuation of the public from the structures.(37) Section 1206.2 Commissioning, decommissioning, operation and maintenance. This section has been modified to delete the original heading and language for stationary storage battery systems and add language specifying commissioning, decommissioning, operation and maintenance shall be conducted in accordance with this section. This section has been modified to read: 1206.2 Commissioning, decommissioning operation and maintenance. Commissioning, decommissioning, operation and maintenance shall be conducted in accordance with this section.(38) Section 1206.2.1 Commissioning. This section has been modified and the original section entitled "Permits" has been moved to Section 1206.1.2 and a new Section 1206.2.1 entitled "Commissioning" has been added. This section requires commissioning, of all newly installed Energy Storage Systems (ESS) and existing ESS that have been retrofitted, replaced or previously decommissioned and are returning to service, to be conducted prior to the ESS being placed in service in accordance with a commissioning plan that has been approved prior to initiating commissioning. The section specifies what criteria the commissioning plan shall include and includes an exception for commissioning of lead acid and nickel cadmium battery systems at facilities under the exclusive control of communications utilities that comply with NFPA 76® and operate at less than 50 VAC and 60 VDC. The exception requires a decommissioning plan to be provided and maintained where required by the fire code official. This section has been modified to read: 1206.2.1 Commissioning. Commissioning of newly installed ESS, and existing ESS that have been retrofitted, replaced or previously decommissioned and are returning to service shall be conducted prior to the ESS being placed in service in accordance with a commissioning plan that has been approved prior to initiating commissioning. The commissioning plan shall include the following: (A) A narrative description of the activities that will be accomplished during each phase of commissioning including the personnel intended to accomplish each of the activities.(B) A listing of the specific ESS and associated components, controls and safety related devices to be tested, a description of the tests to be performed and the functions to be tested. (C) Conditions under which all testing will be performed, which are representative of the conditions during normal operation of the system.(D) Documentation of the owner's project requirements and the basis of design necessary to understand the installation and operation of the ESS.(E) Verification that required equipment and systems are installed in accordance with the approved plans and specifications.(F) Integrated testing for all fire and safety systems.(G) Testing for any required thermal management, ventilation or exhaust systems associated with the ESS installation.(H) Preparation and delivery of operation and maintenance documentation.(I) Training of facility operating and maintenance staff.(J) Identification and documentation of the requirements for maintaining system performance to meet the original design intent during the operation phase. (K) Identification and documentation of personnel who are qualified to service, maintain and decommission the ESS, and respond to incidents involving the ESS, including documentation that such service has been contracted for a decommissioning plan for removing the ESS from service, and from the facility in which it is located.(L) The plan shall include details on providing a safe, orderly shutdown of energy storage and safety systems with notification to the code officials prior to the actual decommissioning of the system. The decommissioning plan shall include contingencies for removing an intact operational ESS from service, and for removing an ESS from service that has been damaged by a fire or other event. (M) Exception: Commissioning shall not be required for lead acid and nickel cadmium battery systems at facilities under the exclusive control of communications utilities that comply with NFPA 76® and operate at less than 50 VAC and 60 VDC. However a decommissioning plan shall be provided and maintained where required by the fire code official. (39) Section 1206.2.1.1 Initial acceptance testing. This section has been added to require an Energy Storage System (ESS) to be evaluated during the commission process, for proper operation in accordance with the manufacturer's instructions and the commissioning plan prior to final approval. This section has been added to read: 1206.2.1.1 Initial acceptance testing. During the commissioning process an ESS shall be evaluated for proper operation in accordance with the manufacturer's instructions and the commissioning plan prior to final approval. (40) Section 1206.2.1.2 Commissioning report. This section has been added to require a report describing the results of the system commissioning, including the results of the initial accepted testing required in Section 1206.2.1.1, to be provide to the code official prior to final inspection and approval and for the report to be maintained at an approved onsite location. This section has been added to read: 1206.2.1.2 Commissioning report. A report describing the results of the system commissioning and including the results of the initial acceptance testing required in Section 1206.2.1.1 shall be provided to the code official prior to final inspection and approval and maintained at an approved onsite location.(41) Section 1206.2.2 Operation and maintenance. The original section 1206.2.2 entitled "Construction documents" has been moved to Section 1206.1.3 and a new section 1206.2.2 entitled "Operation and maintenance" has been added. This section requires an operation manual to be provided to both the Energy Storage System (ESS) owner or their authorized agent and the ESS operator before the ESS is put into operation. The section requires specific criteria to be listed in the manual and for the ESS to be operated and maintained in accordance with the manual. The section also requires a copy of the manual to be retained onsite at an approved location. This section has been modified to read: 1206.2.2. Operation and maintenance. An operation and maintenance manual shall be provided to both the ESS owner or their authorized agent and the ESS operator before the ESS is put into operation and shall include the following: (A) Manufacturer's operation manuals and maintenance manuals for the entire ESS or for each component of the system requiring maintenance, that clearly identify the required routine maintenance actions.(B) Name, address and phone number of a service agency that has been contracted to service the ESS and its associated safety systems.(C) Maintenance and calibration information, including wiring diagrams, control drawings, schematics, system programming instructions and control sequence descriptions for all energy storage control systems.(D) Desired or field-determined control set points that are permanently recorded on control drawings at control devices or, for field control systems, in system programing instructions.(E) A schedule for inspecting and recalibrating all ESS controls.(F) A service record log form that lists the schedule for all required servicing and maintenance actions and space for logging such actions that are completed over time and retained on site. (42) The ESS shall be operated and maintained in accordance with the manual and a copy of the manual shall be retained at an approved onsite location.(43) Section 1206.2.2.1 Ongoing inspection and testing. This section has been added to require systems that monitor and protect the Energy Storage System (ESS) installation to be inspected and tested in accordance with the manufacturer's installation instructions and the operating and maintenance manual. The section requires records for testing and inspection to be maintained in the operation and maintenance manual. This section has been added to read: 1206.2.2.1 Ongoing inspection and testing. Systems that monitor and protect the ESS installation shall be inspected and tested in accordance with the manufacturer's instructions and the operating and maintenance manual. Inspection and testing records shall be maintained in the operation and maintenance manual.(44) Section 1206.2.3 Decommissioning. The original section 1206.2.3 entitled "Hazard mitigation analysis" was moved to Section 1206.1.4 and a new section 1206.2.3 entitled "Decommissioning" has been added. The new section requires the code official to be notified prior to the decommissioning of an Energy Storage System (ESS) and for the decommissioning to be performed in accordance the specific criteria included in the decommissioning plan. This section has been modified to read: 1206.2.3 Decommissioning. The code official shall be notified prior to decommissioning of an ESS. Decommissioning shall be performed in accordance with the decommissioning plan that includes the following: (A) A narrative description of the activities to be accomplished for removing the ESS from service, and from the facility in which it is located.(B) A listing of any contingencies for removing an intact operational ESS from service, and for removing an ESS from service that has been damaged by fire or other event. (45) Section 1206.2.4 Seismic and structural design. This section has been modified and renumbered to Section 1206.4.4.(46) Section 1206.2.5 Vehicle impact protection. This section has been modified and renumbered to Section 1206.4.5.(47) Section 1206.2.6 Combustible storage. This section has been modified and renumbered to Section 1206.4.6.(48) Section 1206.2.7 Testing, maintenance and repair. This section has been stricken from the code.(49) Section 1206.2.8 Location and construction. This section has been stricken from the code.(50) Section 1206.2.8.1 Location. This section with the listed exceptions has been stricken from the code.(51) Section 1206.2.8.2 Separation. This section has been modified and renumbered to Section 1206.4.3.(52) Section 1206.2.8.3 Stationary battery arrays. This section with the listed exceptions has been stricken from the code.(53) Section 1206.2.8.4 Separate rooms. This section has been stricken from the code.(54) Section 1206.2.8.5 Occupied work centers. This section has been modified and renumbered to Section 1206.4.10. (55) Section 1206.2.8.5.1 Cabinets. This section has been stricken from the code.(56) Section 1206.2.8.6 Signage. This section has been modified and renumbered to 1206.4.8.(57) Section 1206.2.8.6.1 Electrical disconnects. This section has been modified and renumbered to 1206.4.1. (58) Section 1206.2.8.6.2 Cabinet signage. This section has been stricken from the code.(59) Section 1206.2.8.7 Outdoor installations. This section has been modified and renumbered to 1206.8. (60) Section 1206.2.8.7.1. Separation. This section and with the exception has been stricken from the code.(61) Section 1206.2.8.7.2 Means of egress. This section has been modified and renumbered to Section 1206.5.8.(62) Section 1206.2.8.7.3 Security of outdoor areas. This section has been stricken from the code.(63) Section 1206.2.8.7.4 Walk-in units. This section has been stricken from the code.(64) Section 1206.2.9 Maximum allowable quantities. This section has been modified and renumbered to Section 1206.5.2. (65) Table 1206.2.9 Maximum allowable battery quantities. This table and the listed footnotes has been stricken from the code.(66) Section 1206.2.9.1 Mixed battery systems. This section has been modified and renumbered to Section 1206.5.2.1.(67) Section 1206.2.10 Storage batteries and equipment. This section has been stricken from the code.(68) Section 1206.2.10.1 Listings. This section with the listed exception has been stricken from the code.(69) Section 1206.2.10.2 Prepacked and preengineered systems. This section has been stricken from the code.(70) Section 1206.2.10.3 Energy management system. This section has been modified and renumbered to Section 1206.3.4. (71) Section 1206.2.10.4 Battery chargers. This section has been stricken from the code.(72) Section 1206.2.10.5 Inverters. This section has been stricken from the code.(73) Section 1206.2.10.6 Safety caps. This section has been modified and renumbered to Section 1206.6.4.(74) Section 1206.2.10.7 Thermal runaway. This section has been modified and renumbered to Section 1206.6.5.(75) Section 1206.2.10.8 Toxic and highly toxic gas. This section has been modified and renumbered to Section 1206.4.7. (76) Section 1206.2.11 Fire extinguishing and detection systems. This section has been modified and renumbered to Section 1206.5.4.(77) Section 1206.2.11.1 Fire extinguishing systems. This section including the exception, has been modified and renumbered to Section 1206.5.5.(78) Section 1206.2.11.1.1 Alternative fire-extinguishing systems. This section has been modified and renumbered to Section 1206.5.5.1.(79) Section 1206.2.11.2 Smoke detection system. This section has been stricken from the code.(80) Section 1206.2.11.3 Ventilation. This section has been modified and renumbered to Section 1206.6.1.(81) Section 1206.2.11.3.1 Cabinet ventilation. This section has been stricken from the code.(82) Section 1206.2.11.3.2 Supervision. This section has been modified and renumbered to Section 1206.6.1.2.3.(83) Section 1206.2.11.4 Gas detection system. This section has been modified and renumbered to Section 1206.6.1.2.4. (84) Section 1206.2.11.4.1 System activation. This section including the exception, has been stricken from the code.(85) Section 1206.2.11.5 Spill control and neutralization. This section has been modified and renumbered to Section 1206.6.2.(86) Section 1206.2.12 Specific battery type requirements. This section has been stricken from the code.(87) Section 1206.2.12.1 Lead-acid storage batteries. This section has been stricken from the code.(88) Section 1206.2.12.2 Nickel-cadmium (Ni-Cd) storage batteries. This section has been stricken from the code.(89) Section 1206.2.12.3 Lithium-ion storage batteries. This section has been stricken from the code. (90) Section 1206.2.12.4 Sodium beta storage batteries. This section has been stricken from the code. (91) Section 1206.2.12.5 Flow storage batteries. This section has been stricken from the code.(92) Section 1206.2.12.6 Other battery technologies. This section has been stricken from the code.(93) Section 1206.3 Equipment. The original section 1206.3 entitled "Capacitor energy storage systems" has been stricken and a new section entitled "Equipment" has been added. The new language requires equipment for Energy Storage Systems (ESS) to be in accordance with Sections 1206.3.1 through 1206.3.9. This section has been modified to read: Equipment. ESS equipment shall be in accordance with Sections 1206.3.1 through 1206.3.9.(94) Section 1206.3.1 Energy storage system listings. The original section 1203.6.1 entitled "Permits" has been modified and moved to section 1206.1.2 and a new section 1206.3.1 entitled "Energy storage system listings" has been added to require Energy Storage Systems (ESS) to be listed in accordance with UL 9540 with an exception for lead-acid and nickel cadmium battery systems installed in facilities under the exclusive control of communications utilities, and operating at less than 50 VAC and 60 VDC in accordance with NFPA 76®. This section has been modified to read: 1206.3.1 Energy storage system listings. ESS shall be listed in accordance with UL 9540. Exception: Lead-acid and nickel cadmium battery systems installed in facilities under the exclusive control of communications utilities, and operating at less than 50 VAC and 60 VDC in accordance with NFPA 76® are not required to be listed.(95) Section 1206.3.2 Equipment listing. The original section 1206.3.2 entitled "Location and construction" has been stricken and a new section has been added to address equipment listing requirements for chargers, inverters, and energy storage management systems to be covered as part of the UL 9540 listing or be listed separately. This section has been added to read: 1206.3.2 Equipment listing. Chargers, inverters and energy storage management systems shall be covered as part of the UL 9540 listing or shall be listed separately.(96) Section 1206.3.2.1 Location. This section has been stricken from the code.(97) Section 1206.3.2.2 Separation. This section has been modified and renumbered to Section 1206.7.4.(98) Section 1206.32.3 Capacitor arrays. This section with the exception has been stricken from the code.(99) Section 1206.3.2.4 Signage. This section has been stricken from the code.(100) Section 1206.3.2.5 Electrical disconnects. This section has been stricken from the code.(101) Section 1206.3.2.6 Outdoor installation. This section with the exception has been modified and renumbered to Section 1206.8.(102) Section 1206.3.2.6.1 Separation. This section with the exception has been modified and renumbered to Section 1206.8.3.(103) Section 1206.3.2.6.3 Means of egress. This section with the exception has been stricken from the code.(104) Section 1206.3.2.6.3 Security of outdoor areas. This section has been stricken from the code.(105) Section 1206.3.2.6.4 Walk-in units. This section has been stricken from the code.(106) Section 1206.3.3 Utility interactive systems. The original section 1206.3.3 entitled "Maximum allowable quantities" has been stricken and a new section entitled "Utility interactive systems" has been added to require inverters to be listed and labeled in accordance with UL 1741. The new section specifies 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. This section has been modified to read: 1206.3.3 Utility interactive systems. 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.(107) Section 1206.3.4 Energy storage management system. The original section 1206.3.4 entitled "Capacitors and equipment" has been stricken and the previous section 1206.2.10.3 entitled "Energy management system" has been modified and moved to this section. The changes to the section include adding the word "storage" in the heading and specifying when required by the Energy Storage System (ESS) listing, an approved energy storage management system shall be provided that monitors and balances cell voltages, currents and temperatures within the manufacturer's specifications. The section requires the system to disconnect electrical connections to the ESS or otherwise place it in a safe condition if potentially hazardous temperatures or other conditions such as short circuits, over voltage or under voltage are detected. This section has been modified to read: 1206.3.4 Energy storage management system. Where required by the ESS listing, an approved energy storage management system shall be provided that monitors and balances cell voltages, currents and temperatures within the manufacturer's specifications. The system shall disconnect electrical connections to the ESS or otherwise place it in a safe condition, if potentially hazardous temperatures or other conditions such as short circuits, over voltage or under voltage are detected.(108) Section 1206.3.4.1 Listing. This section has been stricken from the code. (109) Section 1206.3.4.2 Prepackaged and preengineered systems. This section has been stricken from the code.(110) Section 1206.3.4.3 Energy management system. This section has been stricken from the code. (111) Section 1206.3.4.4 Capacitor chargers. This section has been stricken from the code.(112) Section 1206.3.4.5 Toxic and highly toxic gas. This section has been stricken from the code.(113) Section 1206.3.5 Fire extinguishing and detection systems. This section has been stricken from the code.(114) Section 1206.3.5.1 Fire extinguishing systems. This section has been stricken from the code.(115) Section 1206.3.5.1.1. Alternative fire extinguishing systems. This section has been stricken from the code.(116) Section 1206.3.5.2 Smoke detection system. This section has been stricken from the code.(117) Section 1206.3.5.3 Ventilation. This section has been stricken from the code.(118) Section 1206.3.5.3.1 Supervision. This section has been stricken from the code.(119) Section 1206.3.5.4 Spill control and neutralization. This section has been stricken from the code.(120) Section 1206.3.6 Repairs. The original section 1206.3.6 entitled "Testing, maintenance, and repairs" has been stricken and a new section entitled "Repairs" has been added in its place. The new language requires repairs to Energy Storage Systems (ESS) to be done by qualified personnel. The section requires repairs with other than identical parts to be considered retrofitting and comply with Section 1206.3.7 and be documented in the service records log. This section has been modified to read: 1206.3.6 Repairs. Repairs of ESS shall only be done by qualified personnel. Repairs with other than identical parts shall be considered retrofitting and comply with Section 1206.3.7. Repairs shall be documented in the service records log.(121) Section 1206.3.7 Retrofits. This section has been added to address retrofitting of existing Energy Storage Systems (ESS) and requires compliance with specific criteria. This section has been added to read: 1206.3.7 Retrofits. Retrofitting of an existing ESS shall comply with the following: (A) A construction permit shall be obtained in accordance with Section 105.7.2.(B) New batteries, battery modules, capacitors and similar ESS components shall be listed.(C) Battery management and other monitoring systems shall be connected and installed in accordance with the manufacturer's instructions.(D) The overall installation shall continue to comply with UL 9540 listing requirements, where applicable.(E) Systems that have been retrofitted shall be commissioned in accordance with Section 1206.2.1. (F) Retrofits shall be documented in the service records log.(122) Section 1206.3.7.1 Retrofitting lead acid and nickel cadmium. This section has been added to specify Section 1206.3.7 will not apply to retrofitting of lead acid and nickel cadmium batteries with other lead acid and nickel cadmium batteries at facilities under the exclusive control of communications utilities that comply with NFPA 76® and operate at less than 50 VAC and 60 VDC. This section has been added to read: 1206.3.7.1 Retrofitting lead acid and nickel cadmium batteries. Section 1206.3.7 shall not apply to retrofitting of lead acid and nickel cadmium batteries with other lead acid and nickel cadmium batteries at facilities under the exclusive control of communications utilities that comply with NFPA 76® and operate at less than 50 VAC and 60 VDC.(123) Section 1206.3.8 Replacements. This section has been added to specify replacement of Energy Storage Systems (ESS) shall be considered new ESS installations and shall comply with the provisions of Section 1206 as applicable to new ESS. The section requires the ESS being replaced to be decommissioned in accordance with Section 1206.2.3. This section has been added to read: 1206.3.8 Replacements. Replacements of ESS shall be considered new ESS installations and shall comply with the provisions of Section 1206 as applicable to new ESS. The ESS being replaced shall be decommissioned in accordance with Section 1206.2.3.(124) Section 1206.3.9 Reused and repurposed equipment. This section has been added to specify equipment and materials can only be reused or reinstalled as permitted in Section 104.7.1. The section prohibits the use of storage batteries previously used in other applications such as electric vehicle propulsion from being reused in applications regulated by Chapter 12, unless approved by the fire code official and the equipment is refurbished by a battery refurbishing company approved in accordance with UL 1974. This section has been added to read: 1206.3.9 Reused and repurposed equipment. Equipment and materials shall only be reused or reinstalled as permitted in Section 104.7.1. Storage batteries previously used in other applications, such as electric vehicle propulsion, shall not be reused in applications regulated by Chapter 12 unless (1) approved by the fire code official and (2) the equipment is refurbished by a battery refurbishing company approved in accordance with UL 1974.(125) Section 1206.4 General installation requirements. This section has been added to require stationary and mobile Energy Storage Systems (ESS) to comply with the requirements of Sections 1206.4.1 through 1206.4.12. This section has been added to read: 1206.4 General installation requirements. Stationary and mobile ESS shall comply with the requirements of Sections 1206.4.1 through 1206.4.12.(126) Section 1206.4.1 Electrical disconnects. This section has been added to contain the previously numbered Section 1206.2.8.6.1 entitled "Electrical disconnects." The section has been modified to require when the Energy Storage System (ESS) disconnecting means is not within sight of the main electrical service disconnecting means, placards or directories shall be installed at the location of the main electrical service disconnecting means indicating the location of the stationary storage battery system disconnecting means in accordance with NFPA 70®. An exception is provided for disconnects of lead acid and nickel cadmium battery systems at facilities under the exclusive control of communications utilities and operating at less than 50 VAC and 60 VDC to be permitted to have electrical disconnect signage in accordance with NFPA 76®. This section has been added to read: 1206.4.1 Electrical disconnects. Where the ESS disconnecting means is not within sight of the main electrical service disconnecting means, placards or directories shall be installed at the location of the main electrical service disconnecting means indicating the location of the stationary storage battery system disconnecting means in accordance with NFPA 70®. Exception: Electrical disconnects for lead acid and nickel cadmium battery systems at facilities under the exclusive control of communications utilities and operating at less than 50 VAC and 60 VDC shall be permitted to have electrical disconnect signage in accordance with NFPA 76®.(127) Section 1206.4.2 Working clearances. This section has been added to require access and working space to be provided and maintained about all electrical equipment to permit ready and safe operation and maintenance of such equipment in accordance with NFPA 70® and the manufacturer's instructions. This section has been added to read: 1206.4.2 Working clearances. Access and working space shall be provided and maintained about all electrical equipment to permit ready and safe operation and maintenance of such equipment in accordance with NFPA 70® and the manufacturer's instructions.(128) Section 1206.4.3 Fire-resistance rated separations. This section has been added to contain the previously numbered Section 1206.2.8, entitled "Separation." The section has been modified to expand the section header and require rooms or other indoor areas containing Energy Storage Systems (ESS) to be separated from other areas of the building in accordance with Section 1206.7.4 and permit the ESS to be in the same room as the equipment they support. This section has been added to read: 1206.4.3 Fire-resistance rated separations. Rooms and other indoors containing ESS shall be separated from other rooms or areas of the building in accordance with Section 1206.7.4. ESS shall be permitted to be in the same room with the equipment they support.(129) Section 1206.4.4 Seismic and structural design. This section has been added to contain the previously numbered Section 1206.2.4 entitled "Seismic and structural design." The section has been modified to require Energy Storage Systems (ESS) to comply with the seismic design requirements of Chapter 16 of the International Building Code® and not exceed the floor-loading limitation of the building. This section has been added to read: 1206.4.4 Seismic and structural design. ESS shall comply with the seismic design requirements of Chapter 16 of the International Building Code® and not exceed the floor- loading limitation of the building. (130) Section 1206.4.5 Vehicle impact protection. This section has been added to contain the previously numbered Section 1206.2.5 entitled "Vehicle impact protection." The section has been modified to require Energy Storage Systems (ESS) subject to impact by a motor vehicle, including fork lifts, to provide vehicle impact protection in accordance with Section 312. This section has been added to read: 1206.4.5 Vehicle impact protection. Where ESS are subject to impact by a motor vehicle, including fork lifts, vehicle impact protection shall be provided in accordance with Section 312.(131) Section 1206.4.6 Combustible storage. This section has been added to contain the previously numbered Section 1206.2.6 entitled "Combustible storage." This section has been modified to prohibit combustible material from being stored in ESS rooms, areas and walk-in units. The section further specifies combustible materials in occupied work centers covered by Section 1206.4.10 shall be stored at least 3 feet (915 mm) from ESS cabinets. This section has been added to read: 1206.4.6 Combustible storage. Combustible materials shall not be stored in ESS rooms, areas, or walk-in units. Combustible materials in occupied work centers covered by Section 1206.4.10 shall be stored at least 3 feet (915 mm) from ESS cabinets.(132) Section 1206.4.7 Toxic and highly toxic gases. This section has been added to contain the previously numbered Section 1206.2.10.8 entitled "Toxic and highly toxic gas." This section has been modified to require Energy Storage Systems (ESS) having the potential to release toxic and highly toxic gases during charging, discharging and normal use conditions to be provided with a hazardous exhaust system in accordance with Section 502.8 of the International Mechanical Code®. This section has been added to read: 1206.4.7 Toxic and highly toxic gases. ESS that have the potential to release toxic and highly toxic gases during charging, discharging, and normal use conditions shall be provided with a hazardous exhaust system in accordance with Section 502.8 of the International Mechanical Code®.(133) Section 1206.4.8 Signage. This section has been added to contain the previously numbered Section 1206.2.8.6 entitled "Signage." This section has been modified to require approved signs to be provide on or adjacent to all entry doors for Energy Storage System (ESS) rooms, areas and on all enclosures of ESS cabinets and walk-in units located outdoors, on rooftops or in open parking garages. The section requires the signs designed to meet both the requirements of this section and NFPA 70®, specifies the signage shall include specific verbiage or equivalent, and provides an exception for electrochemical ESS to be permitted to include the signage required at the time they were installed. This section has been added to read: 1206.4.8 Signage. Approved signs shall be provide on or adjacent to all entry doors for ESS rooms or areas and on all enclosures of ESS cabinets and walk-in units located outdoors, on rooftops or in open parking garages. Signs designed to meet both the requirements of this section and NFPA 70 shall be permitted. The signage shall include the following or equivalent: (A) "Energy Storage System", "Battery Storage System", "Capacitor Energy Storage System", or the equivalent.(B) The room contains energized electrical circuits. The identification of the electrochemical ESS technology present. (C) "Energized electrical circuits".(D) If water reactive electrochemical ESS are present the sign shall include "APPLY NO WATER". (E) Current contact information, including phone number, for personnel authorized to service the equipment and for fire mitigation personnel required by Section 1206.1.6.1.(134) Exception: Existing electrochemical ESS shall be permitted to include the signage required at the time they were installed.(135) Section 1206.4.9 Security of installations. This section has been added to require rooms, areas, or walk-in units in which electrochemical Energy Storage Systems (ESS) are located to be secured against unauthorized entry and safeguarded in an approved manner. The section prohibits security barriers, fences, landscaping, and other enclosures from inhibiting the required air flow to or exhaust from the electrochemical ESS and its components. This section has been added to read:1206.4.9 Security of installations. Rooms, areas, or walk-in units in which electrochemical ESS are located shall be secured against unauthorized entry and safeguarded in an approved manner. Security barriers, fences, landscaping, and other enclosures shall not inhibit the required air flow to or exhaust from the electrochemical ESS and its components.(136) Section 1206.4.10 Occupied work centers. This section has been added to contain the previously numbered Section 1206.2.8.5 entitled "Occupied work centers." This section has been modified to require electrochemical Energy Storage Systems (ESS) located in rooms or areas occupied by personnel not directly involved with maintenance, service and testing of the system to be housed in locked noncombustible cabinets or other enclosures to prevent unauthorized access, require electrochemical ESS contained in cabinets in the occupied work centers to be located within 10 feet of the equipment they support, and requires the cabinets to include signage complying with Section 1206.4.8. This section has been added to read: 1206.4.10 Occupied work centers. Electrochemical ESS located in rooms or areas occupied by personnel not directly involved in the maintenance, service and testing of the system shall comply with the following: (A) Electrochemical ESS located in occupied work centers shall be housed in locked noncombustible cabinets or other enclosures to prevent access by unauthorized personnel.(B) Where electrochemical ESS are contained in cabinets in occupied work centers, the cabinets shall be located within 10 feet (30548 mm) of the equipment they support.(C) Cabinets shall include signage complying with Section 1206.4.8.(137) Section 1206.4.11 Open rack installation. This section has been added to clarify where electrochemical Energy Storage Systems (ESS) are installed in a separate equipment room and only authorized personnel have access to the room, they shall be permitted to be installed on an open rack for ease of maintenance. This section has been added to read: 1206.4.11 Open rack installation. Where electrochemical ESS are installed in a separate equipment room and only authorized personnel have access to the room, they shall be permitted to be installed on an open rack for ease of maintenance.(138) Section 1206.4.12 Walk-in units. This section has been added to specify walk-in units shall only be entered for inspection, maintenance and repair of Energy Storage System (ESS) units and ancillary equipment and shall not be occupied for other purposes. This section has been added to read: 1206.4.12 Walk-in units. Walk-in units shall only be entered for inspection, maintenance and repair of ESS units and ancillary equipment and shall not be occupied for other purposes. (139) Section 1206.4.13 Egress. This section has been added to clarify personnel door(s) intended for entrance and egress from rooms designated as Energy Storage System (ESS) rooms shall open in the direction of egress and shall be equipped with listed panic hardware or listed fire exit hardware. This section has been added to read: 1206.4.13 Egress. A personnel door(s) intended for entrance to and egress from rooms designated as ESS shall open in the direction of egress and shall be equipped with listed panic hardware or listed fire exit hardware.(140) Section 1206.5 Electrochemical ESS protection. This section has been added to specify protection of electrochemical Energy Storage Systems (ESS) shall be in accordance with Sections 1206.5.1 through 1206.5.8 where required by Section 1206.7 through 1206.10. This section has been added to read: 1206.5 Electrochemical ESS Protection. The protection of electrochemical ESS shall be in accordance with Sections 1206.5.1 through 1206.5.8 where required by Section 1206.7 through 1206.10.(141) Section 1206.5.1 Size and separation. This section has been added to specify electrochemical Energy Storage Systems (ESS) shall be segregated into groups not exceeding 50 kWh (180 Megajoules). The section requires each group to be separated a minimum of 3 feet (914 mm) from other groups and from walls in the storage room area and requires the storage arrangements to comply with Chapter 10. Two exceptions are provided; one for lead acid and nickel cadmium battery systems under the exclusive control of communication facilities and operating at less than 50 VAC and 60 VDC in accordance with NFPA 76®, and the other for the fire code official to approve larger capacities or smaller separation distances based on large scale testing complying with Section 1206.1.5. The section has been added to read: 1206.5.1 Size and separation. Electrochemical ESS shall be segregated into groups not exceeding 50 kWh (180 Megajoules). Each group shall be separated a minimum 3 feet (914 mm) from other groups and from walls in the storage area or room. The storage arrangements shall comply with Chapter 10. Exceptions: (A) Lead acid and nickel cadmium battery systems in facilities under the exclusive control of communications facilities and operating at less than 50 VAC and 60 VDC in accordance with NFPA 76®.(B) The fire code official is authorized to approve larger capacities or smaller separation distances based on large scale fire testing complying with Section 1206.1.5. (142) Table 1206.5 Maximum Allowable Quantities of Electrochemical ESS. This table has been added to specify the maximum allowable quantities for different types of technologies and the amount of kilo watts per hour (kWh). The table has been added to read: Table 1206.5 Maximum Allowable Quantities of Electrochemical ESS. The table contains 12 rows with 2 columns each and two footnotes and is described below: (A) Row 1 is the header row and has header information in each of the two columns described below: (i) Row 1, column 1 header is entitled "TECHNOLOGY".(ii) Row 1, column 2 header is entitled "MAXIMUM ALLOWABLE QUANTITIES" with a superscript "a" to indicate footnote "a" applies.(B) Row 2 contains the following information in each of the columns describe in the header row: (i) Row 2, column 1 lists the technology type subgroup of "STORAGE BATTERIES".(ii) Row 2, column 2 is blank.(C) Row 3 contains the following information in each of the columns described in the header row: (i) Row 3, column 1 lists the technology type of "Lead acid, all types".(ii) Row 3, column 2 lists the maximum allowable quantity of "Unlimited".(D) Row 4 contains the following information in each of the columns described in the header row: (i) Row 4, column 1 lists the technology type of "Nickel cadmium (Ni-Cd)".(ii) Row 4, column 2 lists the maximum allowable quantity of "Unlimited." (E) Row 5 contains the following information in each of the columns described in the header row: (i) Row 4, column 1 lists the technology type of "Nickel metal hydride (Ni-MH)." (ii) Row 4, column 2 lists the maximum allowable quantity of "Unlimited." (F) Row 6 contains the following information in each of the columns described in the header row: (i) Row 6, column 1 lists the technology type of "Lithium-ion." (ii) Row 6, column 2 lists the maximum allowable quantity of "600 kWh." (G) Row 7 contains the following information in each of the columns described in the header row: (i) Row 7, column 1 lists the technology type of "Flow batteries" with a superscript "b" to indicate footnote "b" applies. (ii) Row 7, column 2 lists the maximum allowable quantity of "600 kWh." (H) Row 8 contains the following information in each of the columns described in the header row: (i) Row 8, column 1 lists the technology type of "Other battery technologies." (ii) Row 8, column 2 lists the maximum allowable quantity of "200 kWh." (I) Row 9 contains the following information in each of the columns describe in the header row: (i) Row 9, column 1 lists the technology type subgroup of "CAPACITORS".(ii) Row 9, column 2 is blank.(J) Row 10 contains the following information in each of the columns described in the header row: (i) Row 10, column 1 lists the technology type of "All types." (ii) Row 10, column 2 lists the maximum allowable quantity of "20 kWh." (K) Row 11 contains the following information in each of the columns described in the header row: (i) Row 11, column 1 lists the technology type subgroup of "OTHER ELECTROCHEMICAL ESS." (ii) Row 11, column 2 is blank.(L) Row 12 contains the following information in each of the columns described in the header row: (i) Row 12, column 1 lists the technology type of "All types." (ii) Row 12, column 2 lists the maximum allowable quantity of "20 kWh." (M) Footnote "a" states: "For electrochemical ESS units rated in Amp-Hours, kWh shall equal rated voltage times the Amp-hour rating divided by 1000." (N) Footnote "b" states: "Shall include vanadium, zinc-bromide, polysulfide-bromide, and other flowing electrolyte type technologies." (143) Section 1206.5.2 Maximum allowable quantities. This section has been added to contain the previously numbered Section 1206.2.9 entitled "Maximum allowable quantities." This section has been modified to clarify fire areas within rooms, areas and walk-in units containing electrochemical Energy Storage Systems (ESS) shall not exceed the maximum allowable quantities in Table 1206.4. Three exceptions are provided to allow the fire code official to approve electrochemical ESS amounts that exceed the amounts listed in Table 1206.5 under specific criteria; for lead-acid and nickel cadmium battery systems under the exclusive control of communications utilities; and for dedicated use buildings in compliance with Section 1206.7.1. This section has been added to read: 1206.5.2 Maximum allowable quantities. Fire areas within rooms, areas and walk-in units containing electrochemical ESS shall not exceed the maximum allowable quantities in Table 1206.5. Exceptions: (A) Where approved by the fire code official, rooms, areas and walk-in units containing electrochemical ESS that exceed the amounts in Table 1206.5 shall be permitted based on a hazardous mitigation analysis in accordance with Section 1206.1.4 and large scale fire testing complying with Section 1206.1.5.(B) Lead-acid and nickel cadmium battery systems installed in facilities under the exclusive control of communications utilities, operating at less than 50 VAC and 60 VDC in accordance with NFPA 76®.(C) Dedicated use buildings in compliance with Section 1206.7.1.(144) Section 1206.5.2.1. Mixed electrochemical energy systems. This section has been added to contain the previously numbered Section 1206.2.9.1 entitled "Mix battery systems." The section has been modified to change the section header and require in rooms, areas, and walk-in units that contain different types of electrochemical energy technologies, the total aggregate quantities of the systems to be determined based on the sum of percentages of each technology type quantity divided by the maximum allowable quantity of each technology type. The section specifies the sum of the percentages shall not exceed 100 percent of the maximum allowable quantity. This section has been added to read: 1206.5.2.1 Mixed electrochemical energy systems. Where rooms, areas and walk-in units contain different types of electrochemical energy technologies, the total aggregate quantities of the systems shall be determined based on the sum of percentages of each technology type quantity divided by the maximum allowable quantity of each technology type. The sum of the percentages shall not exceed 100 percent of the maximum allowable quantity.(145) Section 1206.5.3 Elevation. This section has been added to specify where electrochemical Energy Storage Systems (ESS) may not be located. Three exceptions are provided for lead acid and nickel cadmium battery systems under the exclusive control of communications utilities; where approved installations shall be permitted in underground vaults complying with NFPA 70; and installations permitted on higher or lower floors, when approved by the fire code official. This section has been added to read: 1206.5.3 Electrochemical ESS shall not be located in the following areas: (A) Where the floor is located more than 75 feet (22 860 mm) above the lowest level of fire department vehicle access, or (B) Where the floor is located below the lowest level of exit discharge.(C) Exceptions: (i) Lead acid and Nickel cadmium battery systems less than 50 VAC and 60 VDC installed in facilities under the exclusive control of communications utilities in accordance with NFPA 76.(ii) Where approved, installations shall be permitted in underground vaults complying with NFPA 70, Article 450, Part III. (iii) Where approved by the fire code official, installations shall be permitted on higher and lower floors. (146) Section 1206.5.4 Fire detection. This section has been added to contain the previously numbered Section 1206.2.11" entitled "Fire extinguishing and detection systems." The section has been modified to change the section heading name to "Fire detection," and require an approved automatic smoke detection system or radiant energy-sensing fire detection system complying with Section 907.2 to be installed in rooms, indoor areas, and walk-in units containing electrochemical ESS. The section requires an approved radiant energy-sensing fire detection system to be installed to protect open parking garage and rooftop installations, and requires alarm signals from detection systems to be transmitted to a central station, proprietary or remote station service in accordance with NFPA 72®, or where approved to a constantly attended location This section has been added to read: 1206.5.4 Fire detection. An approved automatic smoke detection system or radiant energy-sensing fire detection system complying with Section 907.2 shall be installed in rooms, indoor areas, and walk-in units containing electrochemical ESS. An approved radiant energy-sensing fire detection system shall be installed to protect open parking garage and rooftop installations. Alarm signals from detection systems shall be transmitted to a central station, proprietary or remote station service in accordance with NFPA 72, or where approved to a constantly attended location.(147) Section 1206.5.4.1 System status. This section has been added to specify where required by the fire code official, visible annunciation shall be provided on cabinet exteriors or in other approved locations to indicate that potentially hazardous conditions associated with Energy Storage Systems (ESS) exists. This section has been added to read: 1206.5.4.1 System status. Where required by the fire code official, visible annunciation shall be provided on cabinet exteriors or in other approved locations to indicate that potentially hazardous conditions associated with the ESS exist.(148) Section 1206.5.5 Fire suppression systems. This section has been added to contain the previously numbered Section 1206.2.11.1 entitled "Fire extinguishing systems." The section has been modified to require rooms and areas within buildings and walk-in units containing electrochemical Energy Storage Systems (ESS) to be protected by an automatic fire suppression system designed and installed in accordance with specific criteria and provides an exception for fire suppression systems for lead acid and nickel cadmium battery systems at facilities under the exclusive control of communications utilities that operate at less than 50 VAC and 60 VCD. This section has been added to read: 1206.5.5 Fire suppression systems. Rooms and areas within buildings and walk-in units containing electrochemical ESS shall be protected by an automatic fire suppression system designed and installed in accordance with one of the following: (A) An automatic sprinkler systems designed and installed in accordance with Section 903.3.1.1 with a minimum density of 0.3 gpm divided by square foot based on the fire area or 2,500 square foot design area, whichever is smaller.(B) Where approved, an automatic sprinkler system designed and installed in accordance with Section 903.3.1.1 with a sprinkler hazard classification based on large scale fire testing complying with Section 1206.1.5.(C) The following alternate automatic fire extinguishing systems designed and installed in accordance with Section 904, provided the installation is approved by the fire code official based on large scale fire testing complying with Section 1206.1.5 (i) NFPA 12®, Standard on Carbon Dioxide Extinguishing Systems (ii) NFPA 15®, Standard for Water Spray Fixed Systems for Fire Protection (iii) NFPA 750®, Standard on Water Mist Fire Protection Systems (iv) NFPA 2001®, Standard on Clean Agent Fire Extinguishing Systems (v) NFPA 2010®, Standard for Fixed Aerosol Fire-Extinguishing Systems (D) Exception: Fire suppression systems for lead acid and nickel cadmium battery systems at facilities under the exclusive control of communications utilities that operate at less than 50 VAC and 60 VDC shall be provided where required by NFPA 76®.(149) Section 1206.5.5.1 Water reactive systems. This section has been added to contain the previously numbered Section 1206.2.11.1.1 entitled "Alternative fire-extinguishing systems." The section has been modified to require electrochemical Energy Storage Systems (ESS) that utilize water reactive materials to be protected by an approved alternative automatic fire-extinguishing system in accordance with Section 904, where the installation is approved by the fire code official based on large scale fire testing complying with Section 1206.1.5. This section has been added to read: 1206.5.5.1 Water reactive systems. Electrochemical ESS that utilize water reactive materials shall be protected by an approved alternative automatic fire-extinguishing system in accordance with Section 904, where the installation is approved by the fire code official based on large scale fire testing complying with Section 1206.1.5.(150) Section 1206.5.6 Maximum enclosure size. This section has been added to clarify the size limitations on outdoor walk-in units housing Energy Storage Systems (ESS) not exceed 53 feet by 8 feet by 9.5 feet high, not including bolt-on HVAC and related equipment, as approved. The section requires outdoor walk-in units exceeding the size limitations to be considered indoor installations and comply with the requirements of Section 1206.7. This section has been added to read: 1206.5.6 Maximum enclosure size. Outdoor walk-in units housing ESS shall not exceed 53 feet by 8 feet by 9.5 feet high, not including bolt-on HVAC and related equipment, as approved. Outdoor walk-in units exceeding these limitations shall be considered indoor installations and comply with the requirements in Section 1206.7.(151) Section 1206.5.7 Vegetation control. This section has been added to clarify areas within 10 feet (3 m) on each side of outdoor Energy Storage Systems (ESS) be cleared of combustible vegetation and other combustible growth. The section specifies single specimens of trees, shrubbery, or cultivated ground cover such as green grass, ivy, succulents, or similar plants used as ground cover shall be permitted to be exempt provided that they do not form a means of readily transmitting fire. This section has been added to read: 1206.5.7 Vegetation control. Areas within 10 feet (3 m) on each side of outdoor ESS shall be cleared of combustible vegetation and other combustible growth. Single specimens of trees, shrubbery, or cultivated ground cover such as green grass, ivy, succulents, or similar plants used as ground covers shall be permitted to be exempt provided that they do not form a means of readily transmitting fire. (152) Section 1206.5.8 Means of egress separation. This section has been added to contain the previously numbered Section 1206.2.8.7.2 entitled "Means of egress." The section has been modified to require Energy Storage Systems (ESS) located outdoors and in open parking garages to be separated from any means of egress as required by the fire code official to ensure safe egress under fire conditions, but not less than 10 feet (3058 mm). The section provides an exception for the fire code official to authorize a reduced separation distance if large-scale fire testing complying with Section 1206.1.5 is provided that shows that a fire involving the ESS will not adversely impact occupant egress. This section has been added to read: 1206.5.8 Means of egress separation. ESS located outdoors and in open parking garages shall be separated from any means of egress as required by the fire code official to ensure safe egress under fire conditions, but in no case less than 10 feet (3048 mm). Exception: The fire code official is authorized to approve a reduced separation distance if large-scale fire testing complying with Section 1206.1.5 is provided that shows that a fire involving the ESS will not adversely impact occupant egress.(153) Section 1206.6 Electrochemical ESS technology specific protection. This section has been added to require electrochemical Energy Storage Systems (ESS) to comply with the requirements of this section in accordance with the applicable requirements of Table 1206.6. This section has been added to read: 1206.6 Electrochemical ESS technology specific protection. Electrochemical ESS installations shall comply with the requirements of this section in accordance with the applicable requirements of Table 1206.6.(154) Table 1206.6 Electrochemical ESS Technology Specific Requirements. This table has been added to provide guidance for different battery types and which sections of this code they are required to comply with. The table has been added to read: 1206.6 Electrochemical ESS Technology Specific Requirements. The table contains 6 rows and 7 columns and has five footnotes. The table and footnotes are described below: (A) Row 1 is the header row and lists the seven column headings as described below: (i) Row 1, column 1 lists the header "Compliance Required" with a superscript "b" to indicate footnote "b" applies. (ii) Row 1, column 2 lists the header "Battery Technology Lead-Acid." (iii) Row 1, column 3 lists the header "Battery Technology Ni-Cad and Ni-MH." (iv) Row 1, column 4 lists the header "Battery Technology Litium-ion." (v) Row 1, column 5 lists the header "Battery Technology Flow." (vi) Row 1, column 6 lists the header "Other ESS and Battery Technologies" with a superscript "b" to indicate footnote "b" applies.(vii) Row 1, column 7 lists the header "Capacitor ESS" with a superscript "b" to indicate footnote "b" applies. (B) Row 2 lists the following for the seven columns: (i) Row 2, column 1 lists "1206.6.1 Exhaust ventilation." (ii) Row 2, column 2 lists "Yes." (iii) Row 2, column 3 lists "Yes." (iv) Row 2, column 4 lists "No." (v) Row 2, column 5 lists "Yes." (vi) Row 2, column 6 lists "Yes." (vii) Row 2, column 7 "Yes." (C) Row 3 lists the following for the seven columns: (i) Row 3, column 1 lists "1206.6.2 Spill control and neutralization." (ii) Row 3, column 2 lists "Yes" with a superscript "c" to indicate footnote "c" applies.(iii) Row 3, column 3 lists "Yes" with a superscript "c" to indicate footnote "c" applies.(iv) Row 3, column 4 lists "No." (v) Row 3, column 5 lists "Yes." (vi) Row 3, column 6 lists "Yes." (vii) Row 3, column 7 "Yes." (D) Row 4 lists the following for the seven columns: (i) Row 4, column 1 lists "1206.6.3 Explosion control." (ii) Row 4, column 2 lists "Yes" with a superscript "a" to indicate footnote "a" applies.(iii) Row 4, column 3 lists "Yes" with a superscript "a" to indicate footnote "a" applies.(iv) Row 4, column 4 lists "Yes." (v) Row 4, column 5 lists "No." (vi) Row 4, column 6 lists "Yes." (vii) Row 4, column 7 "Yes." (E) Row 5 lists the following for the seven columns: (i) Row 5, column 1 lists "1206.6.4 Safety caps." (ii) Row 5, column 2 lists "Yes." (iii) Row 5, column 3 lists "Yes." (iv) Row 5, column 4 lists "No." (v) Row 5, column 5 lists "No." (vi) Row 5, column 6 lists "Yes." (vii) Row 5, column 7 "Yes." (F) Row 6 lists the following for the seven columns: (i) Row 6, column 1 lists "1206.6.5 Thermal runaway." (ii) Row 6, column 2 lists "Yes" with a superscript "d" to indicate footnote "d" applies.(iii) Row 6, column 3 lists "Yes." (iv) Row 6, column 4 lists "Yes" with a superscript "e" to indicate footnote "e" applies.(v) Row 6, column 5 lists "No." (vi) Row 6, column 6 lists "Yes" with a superscript "e" to indicate footnote "e" applies.(vii) Row 6, column 7 "Yes." (G) Footnote "a" states: "Not required for lead-acid and nickel cadmium batteries at facilities under the exclusive control of communications utilities that comply with NFPA 76® and operate at less than 50 VAC and 60 VDC." (H) Footnote "b" states: "Protection shall be provided unless documentation acceptable to the fire code official is provided in accordance with Section 104.7.2 that provides justification why the protection is not necessary based on the technology used." (I) Footnote "c" states: "Applicable to vented (i.e. flooded) type nickel cadmium and lead acid batteries." (J) Footnote "d" states: "Not required for vented (i.e. flooded) type lead acid batteries." (K) Footnote "e" states: "The thermal runaway protection is permitted to be part of a battery management system that has been evaluated with the battery as part of the evaluation to UL 1973." (155) Section 1206.6.1 Exhaust ventilation. This section has been modified to change the section number from "1206.2.11.5" to "1206.6.1," change the section heading from "Ventilation" to "Exhaust ventilation" and clarify where required by Table 1206.6 or elsewhere in this code, exhaust ventilation of rooms, areas, and walk-in units containing electrochemical Energy Storage Systems (ESS) shall be provided in accordance with the International Mechanical Code® and Section 1206.6.1.1 or 1206.1.2. This section has been added to read: 1206.6.1 Exhaust ventilation. Where required by Table 1206.6 or elsewhere in this code, exhaust ventilation of rooms, areas, and walk-in units containing electrochemical ESS shall be provided in accordance with the International Mechanical Code® and Section 1206.6.1.1 or 1206.6.1.2.(156) Section 1206.6.1.1 Ventilation based on LFL. This section has been added to clarify the exhaust ventilation system shall be designed to limit the maximum concentration of flammable gas to 25 percent of the lower flammable limit (LFL) of the total volume of the room, area, or walk-in unit during the worst-case event of simultaneous charging of batteries at the maximum charge rate, in accordance with nationally recognized standards. This section has been added to read: 1206.6.1.1 Ventilation based on LFL. The exhaust ventilation system shall be designed to limit the maximum concentration of flammable gas to 25 percent of the lower flammable limit (LFL) of the total volume of the room, area, or walk-in unit during the worst-case event of simultaneous charging of batteries at the maximum charge rate, in accordance with nationally recognized standards. (157) Section 1206.6.1.2 Ventilation based upon exhaust rate. This section has been added to clarify mechanical exhaust ventilation shall be provided at a rate of not less than 1 cubic foot divided by min divided by square feet (5.1 L divided by sec divided by square meter) of floor area of the room, area or walk-in unit. The section requires the ventilation to be either continuous or be activated by a gas detection system in accordance with Section 1206.1.2.4. This section has been added to read: 1206.6.1.2 Ventilation based upon exhaust rate. Mechanical exhaust ventilation shall be provided at a rate of not less than 1 cubic foot divided by min divided by square feet (5.1 L divided by sec divided by square meter) of floor area of the room, area or walk-in unit. The ventilation shall be either continuous or shall be activated by a gas detection system in accordance with Section 1206.1.2.4.(158) Section 1206.6.1.2.1 Standby power. This section has been added to require mechanical exhaust ventilation to be provided with a minimum of two hours of standby power in accordance with Section 1203.2.5. This section has been added to read: 1206.1.2.1 Standby power. Mechanical exhaust ventilation shall be provided with a minimum of two hours of standby power in accordance with Section 1203.2.5.(159) Section 1206.6.1.2.2 Installation instructions. This section has been added to require mechanical exhaust ventilation systems to be installed in accordance with the manufacturer's installation instructions and the International Mechanical Code®. This section has been added to read: 1206.6.1.2.2 Installation instructions. Mechanical exhaust ventilation systems shall be installed in accordance with the manufacturer's installation instructions and the International Mechanical Code®.(160) Section 1206.6.1.2.3 Supervision. This section has been added to contain the previously numbered Section 1206.2.11.3.2 entitled "Supervision." The section has been modified to clarify required mechanical exhaust ventilation systems to be supervised by an approved central location, proprietary or remote station service in accordance with NFPA 72®, or shall initiate an audible and visual signal at an approved constantly attended on-site location. This section has been added to read: 1206.6.2.3 Supervision. Required mechanical exhaust ventilation systems shall be supervised by an approved central station, proprietary or remote station service in accordance with NFPA 72®, or shall initiate an audible and visual signal at an approved constantly attended on-site location.(161) Section 1206.6.1.2.4 Gas detection system. This section was added to contain the previously numbered Section 1206.2.11.4 entitled "Gas detection system." The section has been modified to clarify when required by Section 1206.6.1.2, rooms, areas and walk-in units containing Energy Storage Systems (ESS) shall be protected by an approved continuous gas detection system that complies with Section 916 and four additional criteria. This section has been added to read: 1206.6.1.2.4 Gas detection system. Where required by Section 1206.6.1.2, rooms, areas and walk-in units containing ESS shall be protected by an approved continuous gas detection system that complies with Section 916 and with the following: (A) The gas detection system shall be designed to activate the mechanical ventilation system when the level of flammable gas in the room, area or walk-in unit exceeds 25 percent of the LFL. (B) The mechanical ventilation system shall remain on until the flammable gas detected is less than 25 percent of the LFL.(C) The gas detection system shall be provided with a minimum of 2 hours of standby power in accordance with Section 1203.2.6.(D) Failure of the gas detection system shall annunciate a trouble signal at an approved central station, proprietary or remote station service in accordance with NFPA 72®, or shall initiate an audible and visual trouble signal at an approved constantly attended on- site location.(162) Section 1206.6.2 Spill control and neutralization. This section has been added to contain the previously numbered Section 1206.2.11.5 entitled "Spill control and neutralization." The section clarifies, where required by Table 1206.6 or elsewhere in the code, areas containing free-flowing liquid electrolyte or hazardous materials shall be provided with spill control and neutralization in accordance with this section. This section has been added to read: 1206.6.2 Spill control and neutralization. Where required by Table 1206.6 or elsewhere in this code, areas containing free-flowing liquid electrolyte or hazardous materials shall be provided with spill control and neutralization in accordance with this section.(163) Section 1206.6.2.1 Spill control. This section has been added to require spill control to prevent the flow of liquid electrolyte or hazardous materials to adjoining rooms or areas. The section requires the method to be capable of containing a spill from the largest battery or vessel. This section has been added to read: 1206.6.2.1 Spill control. Spill control shall be provided to prevent the flow of liquid electrolyte or hazardous materials to adjoining rooms or areas. The method shall be capable of containing a spill from the single largest battery or vessel.(164) Section 1206.6.2.2 Neutralization. This section has been added to specify an approved method to neutralize spilled liquid electrolyte shall be provided that is capable of neutralizing a spill from the largest battery or vessel to a pH between 5.0 and 9.0. This section has been added to read: 1206.6.2.2 Neutralization. An approved method to neutralize spilled liquid electrolyte shall be provided that is capable of neutralizing a spill from the largest battery or vessel to a pH between 5.0 and 9.0.(165) Section 1206.6.2.3 Communication Utilities. This section has been added to specify the requirements of Section 1206.6.2 only apply where the aggregate capacity of multiple vessels exceeds 1,000 gallons (3785 L) for lead acid and nickel cadmium battery systems operating at less than 50 VAC and 60 VDC that are located at facilities under the exclusive control of communication utilities and those facilities comply with NFPA 76® in addition to applicable requirements of this code. This section has been added to read: 1206.6.2.3 Communication Utilities. The requirements of Section 1206.6.2 only apply where the aggragate capacity of multiple vessels exceeds 1,000 gallons (3785 L) for lead acid and nickel cadmium battery systems operating at less than 50 VAC and 60 VDC that are located at facilities under the exclusive control of communication utilities and those facilities comply with NFPA 76® in addition to applicable requirements of this code.(166) Section 1206.6.3 Explosion control. This section has been added to clarify when required by Table 1206.6 or elsewhere in this code, explosion control complying with Section 911 shall be provided for rooms, areas or walk-in units containing electrochemical Energy Storage Systems (ESS). Two exceptions have been provided to allow the fire code official to waive the explosion control under two specific circumstances. This section has been added to read: 1206.6.3 Explosion control. Where required by Table 1206.6 or elsewhere in this code, explosion control complying with Section 911 shall be provided for rooms, areas or walk-in units containing electrochemical ESS. Exceptions: (A) Where approved, explosion control is permitted to be waived by the fire code official based on large scale fire testing complying with Section 1206.1.5 which demonstrates that flammable gases are not liberated from electrochecmical ESS cells or modules where tested in accordance with UL 9540A.(B) Where approved, explosion control is permitted to be waived by the fire code official based on documentation provided in accordance with Section 104.7 that demonstrates that the electrochemical ESS technology to be used does not have the potential to release flammable gas concentrations in excess of 25 percent of the LFL anywhere in the room, area or walk-in unit or structure under thermal runaway or other fault conditions.(167) Section 1206.6.4 Safety caps. This section has been added to contain the previously numbered Section 1206.2.10.6 entitled "Safety caps." The section has been modified to specify where required by Table 1206.6 or elsewhere in this code, vented batteries and other Energy Storage Systems (ESS) shall be provided with flame-arresting safety caps. This section has been added to read: 1206.6.4 Safety caps. Where required by Table 1206.6 or elsewhere in this code, vented batteries and other ESS shall be provided with flame-arresting safety caps.(168) Section 1206.6.5 Thermal runaway. This section has been added to contain the previously numbered Section 1206.2.10.7. The section has been modified to specify where required by Table 1206.6 and elsewhere in this code, batteries and other Energy Storage Systems (ESS) shall be provided with a listed device or other approved method to prevent, detect and minimize the impact of thermal runaway. This section has been added to read: 1206.6.5 Thermal runaway. Where required by Table 1206.6 or elsewhere in this code, batteries and other ESS shall be provided with a listed device or other approved method to prevent, detect and minimize the impact of thermal runaway.(169) Section 1206.7 Indoor installations. This section has been added to require indoor Energy Storage Systems (ESS) installations to be in accordance with Sections 1206.7.1 through 1206.7.4. This section has been added to read: 1206.7 Indoor installations. Indoor ESS shall be in accordance with Sections 1206.7.1 through 1206.7.4.(170) Section 1206.7.1 Dedicated use buildings. This section has been added to clarify for the purpose of Table 1206.7 dedicated use Energy Storage System (ESS) buildings shall be classified as Group F-1 occupancies and shall comply with specific criteria. This section has been added to read: 1206.7.1 Dedicated use buildings. For the purpose of Table 1206.7 dedicated use ESS buildings shall be classified as Group F-1 occupancies and comply with all of the following: (A) The building shall only be used for ESS, electrical energy generation, and other electrical grid related operations. (B) Occupants in the room and areas containing ESS are limited to personnel that, operate, service, test and repair the ESS and other energy systems.(C) No other occupancy types shall be permitted in the building.(D) Administrative and support personnel shall be permitted in areas within the buildings that do not contain ESS provided: (i) The areas do not occupy more than 10 percent of the building area of the story in which they are located.(ii) A means of egress is provided from the incidental use areas to the public way that does not require the occupants to traverse through areas containing ESS or other energy system equipment. (171) Section 1206.7.2 Non-dedicated use buildings. This section has been added to clarify for the purpose of Table 1206.7 non-dedicated use buildings include all use buildings that contain Energy Storage Systems (ESS) that contain ESS and do not comply with Section 1206.7.1 dedicated use building requirements. This section has been added to read: 1206.7.2 Non-dedicated use buildings. For the purpose of Table 1206.7, non-dedicated use buildings include all buildings that contain ESS and do not comply with Section 1206.7.1 dedicated use buildings. (172) Table 1206.7 Indoor ESS Installations. This table has been added to clarify the compliance required for dedicated and non-dedicated use buildings under specific sections of this chapter. The table has been added to read: Table 1206.7 Indoor ESS Installations. The table contains 10 rows with 3 columns per row and has five footnotes and is described below: (A) Row 1 is the header row and contains the three column headings described below: (i) Row 1, column 1 is entitled "Compliance Required." (ii) Row 1, column 2 is entitled "Dedicated Use Buildings" with a superscript "a" to indicate footnote "a" applies.(iii) Row 1, column 3 is entitled "Non-Dedicated Use Buildings" with a superscript "b" indicate footnote "b" applies.(B) Row 2 contains the following information in each of the three columns: (i) Row 2, column 1 contains the wording "1206.4 General installation requirements." (ii) Row 2, column 2 contains the word "Yes." (iii) Row 2, column 3 contains the word "Yes." (C) Row 3 contains the following information in each of the three columns: (i) Row 3, column 1 contains the wording "1206.5.1 Size and separation." (ii) Row 3, column 2 contains the word "Yes." (iii) Row 3, column 3 contains the word "Yes." (D) Row 4 contains the following information in each of the three columns: (i) Row 4, column 1 contains the wording "1206.5.2 Maximum allowable quantities." (ii) Row 4, column 2 contains the word "No." (iii) Row 4, column 3 contains the word "Yes." (E) Row 5 contains the following information in each of the three columns: (i) Row 5, column 1 contains the wording "1206.5.3 Elevation." (ii) Row 5, column 2 contains the word "Yes." (iii) Row 5, column 3 contains the word "Yes." (F) Row 6 contains the following information in each of the three columns: (i) Row 6, column 1 contains the wording "1206.5.4 Smoke and automatic fire detection" with a superscript "e" to indicate footnote "e" applies.(ii) Row 6, column 2 contains the word "Yes" with a superscript "c" to indicate footnote "c" applies.(iii) Row 6, column 3 contains the word "Yes." (G) Row 7 contains the following information in each of the three columns: (i) Row 7, column 1 contains the wording "1206.5 Fire suppression systems." (ii) Row 7, column 2 contains the word "Yes" with a superscript "d" to indicate footnote "d" applies.(iii) Row 7, column 3 contains the word "Yes." (H) Row 8 contains the following information in each of the three columns: (i) Row 8, column 1 contains the wording "1206.7.3 Dwelling units and sleeping units." (ii) Row 8, column 2 contains the letters "NA." (iii) Row 8, column 3 contains the word "Yes." (I) Row 9 contains the following information in each of the three columns: (i) Row 9, column 1 contains the wording "1206.7.4 Fire-resistance rated separations." (ii) Row 9, column 2 contains the word "Yes." (iii) Row 9, column 3 contains the word "Yes." (J) Row 10 contains the following information in each of the three columns: (i) Row 10, column 1 contains the wording "1206.6 Technology specific protection." (ii) Row 10, column 2 contains the word "Yes." (iii) Row 10, column 3 contains the word "Yes." (K) Following the table is the wording "NA equals Not allowed." (L) Footnote "a" states: "See Section 1206.7.1." (M) Footnote "b" states: "See Section 1206.7.2." (N) Footnote "c" states: "Where approved by the fire code official, alarm signals are not required to be transmitted to a central stations, proprietary or remote station service in accordance with NFPA 72®, or a constantly attended location where local fire alarm annunciation is provided and trained personnel are always present." (O) Footnote "d" states: "Where approved by the fire code official, fire suppression systems are permitted to be omitted in dedicated use buildings located more than 100 feet (30.5 M) from buildings, lot lines, public ways, stored combustible materials, hazardous materials, high piled stock and other exposure hazards.(P) Footnote "e" states: "Lead-acid and nickel cadmium battery systems installed in Group U buildings and structures less than 1500 square feet (140 square meters) under the exclusive control of communications utilities, and operating at less than 50 VAC and 60 VDC in accordance with NFPA 76® are not required to have an approved automatic smoke or fire detection system.(173) Section 1206.7.3 Dwelling units and sleeping units. This section has been added to prohibit Energy Storage Systems (ESS) from being installed in sleeping units or in habitable spaces of dwelling units. This section has been added to read: 1206.7.3 Dwelling units and sleeping units. ESS shall not be installed in sleeping units or in habitable spaces of dwelling units.(174) Section 1206.7.4 Fire-resistance rated separations. This section has been added to contain the previously numbered Section 1206.3.2.2 entitled "Separation." The section has been modified to clarify the specifications for fire-resistance rated separations in both dedicated and non dedicated use buildings, rooms and areas containing Energy Storage Systems (ESS). The section requires separation to be provided by 2 hour rated fire barriers and 2 hour rated horizontal assemblies constructed in accordance with Sections 707 and 711 of the International Building Code®, as appropriate. This section has been added to read: 1206.7.4 Fire-resistance rated separations. Rooms and areas containing ESS shall include fire-resistance rated separations as follows: (A) In dedicated use buildings, rooms and areas containing ESS shall be separated from areas in which administrative and support personnel are located.(B) In non-dedicated use buildings, rooms and areas containing ESS shall be separated from other areas in the building (175) Separation shall be provided by 2 hour rated fire barriers constructed in accordance with Section 707 of the International Building Code® and 2 hour rated horizontal assemblies constructed in accordance with 711 of the International Building Code®, as appropriate.(176) Section 1206.8 Outdoor installations. This section has been added to combine and contain the previously numbered Sections "1206.2.8.7" and "1206.3.2.6" both entitled "Outdoor installations." This section has been modified to clarify outdoor installations shall be in accordance with Sections 1206.8.1 through 1206.8.3. The section requires exterior wall installations for individual Energy Storage Systems (ESS) not exceeding 20 kWh to be in accordance with Section 1206.8.4 and deletes the exception that existed in the previously numbered section 1206.2.8.7. This section has been added to read: 1206.8 Outdoor installations. Outdoor installations shall be in accordance with Sections 1206.8.1 through 1206.8.3. Exterior wall installations for individual ESS units not exceeding 20 kWh shall be in accordance with Section 1206.8.4.(177) 1206.8.1 Remote outdoor installations. This section has been added to clarify for the purpose of Table 1206.8, remote outdoor installations include Energy Storage Systems (ESS) located more than 100 feet (30.5 M) from buildings, lot lines, public ways, stored combustible materials, hazardous materials, high piled stock and other exposure hazards. This section has been added to read: 1206.8.1 Remote outdoor installations. For the purpose of Table 1206.8, remote outdoor installations include ESS located more than 100 feet (30.5 M) from buildings, lot lines, public ways, stored combustible materials, hazardous materials, high piled stock and other exposure hazards.(178) Section 1206.8.2 Installations near exposures. This section specifies the purposes of Table 1206.8, installations near exposures include all outdoor Energy Storage Systems (ESS) that do not comply with Section 1206.8.1 remote outdoor location requirements. This section has been added to read: 1206.8.2 Installations near exposures. For the purpose of Table 1206.8, installations near exposures include all outdoor ESS that do not comply with Section 1206.8.1 remote outdoor location requirements.(179) Table 1206.8 Outdoor ESS Installations. This table has been added to clarify the compliance required for remote installations and installations near exposures under specific sections of this chapter. The table has been added to read: Table 1206.8 Outdoor ESS Installations with a superscript "a" to indicate footnote "a" applies to the entire table. The table contains 11 rows with 3 columns per row and 4 footnotes. The table and footnotes are described below: (A) Row 1 is the header row and contains the three column headings described below: (i) Row 1, column 1 is entitled "Compliance Required." (ii) Row 1, column 2 is entitled "Remote installations" with a superscript "a" to indicate footnote "a" applies. (iii) Row 1, column 3 is entitled "Installations near exposures" and has a superscript "b" to indicate footnote "b" applies.(B) Row 2 contains the following information in each of the three columns: (i) Row 2, column 1 contains the wording "1206.4 All ESS installations." (ii) Row 2, column 2 contains the word "Yes." (iii) Row 2, column 3 contains the word "Yes." (C) Row 3 contains the following information in each of the three columns: (i) Row 3, column 1 contains the wording "1206.5.1 Size and separation." (ii) Row 3, column 2 contains the word "No." (iii) Row 3, column 3 contains the word "Yes" with a superscript "c" to indicate footnote "c" applies.(D) Row 4 contains the following information in each of the three columns: (i) Row 4, column 1 contains the wording "1206.5.2 Maximum allowable quantities." (ii) Row 4, column 2 contains the word "No." (iii) Row 4, column 3 contains the word "Yes." (E) Row 5 contains the following information in each of the three columns: (i) Row 5, column 1 contains the wording "1206.5.4 Smoke and automatic fire detection." (ii) Row 5, column 2 contains the word "Yes." (iii) Row 5, column 3 contains the word "Yes." (F) Row 6 contains the following information in each of the three columns: (i) Row 6, column 1 contains the wording "1206.5 Fire suppression systems." (ii) Row 6, column 2 contains the word "Yes" with a superscript "d" to indicate footnote "d" applies.(iii) Row 6, column 3 contains the word "Yes." (G) Row 7 contains the following information in each of the three columns: (i) Row 7, column 1 contains the wording "1206.5.6 Maximum enclosure size." (ii) Row 7, column 2 contains the letters "Yes." (iii) Row 7, column 3 contains the word "Yes." (H) Row 8 contains the following information in each of the three columns: (i) Row 8, column 1 contains the wording "1206.5.7 Vegetation Control." (ii) Row 8, column 2 contains the word "Yes." (iii) Row 8, column 3 contains the word "Yes." (I) Row 9 contains the following information in each of the three columns: (i) Row 9, column 1 contains the wording "1206.5.8 Means of egress separation." (ii) Row 9, column 2 contains the word "Yes." (iii) Row 9, column 3 contains the word "Yes." (J) Row 10 contains the following information in each of the three columns: (i) Row 10, column 1 contains the wording "1206.8.3 Clearance to exposures." (ii) Row 10, column 2 contains the word "Yes." (iii) Row 10, column 3 contains the word "Yes." (K) Row 11 contains the following information in each of the three columns: (i) Row 11, column 1 contains the wording "1206.6 Technology specific protection." (ii) Row 11, column 2 contains the word "Yes." (iii) Row 11, column 3 contains the word "Yes." (L) Footnote "a" states: "See Section 1206.8.1." (M) Footnote "b" states: "See Section 1206.8.2." (N) Footnote "c" states: "In outdoor walk-in units, spacing is not required between ESS units and the walls of the enclosure." (O) Footnote "d" states: "Where approved by the fire code official, fire suppression systems are permitted to be omitted.(180) Section 1206.8.3 Clearance to exposures. This section has been added to contain the previously numbered Section 1206.2.6.1, entitled "Separation" The section has been modified to clarify Energy Storage Systems (ESS) located outdoors are required to be separated by a minimum of 10 feet (3048 mm) from a list of specific exposures with three exceptions to allow the clearances to be reduced when certain criteria is met. This section has been added to read: 1206.8.3 Clearance to exposures. ESS located outdoors shall be separated by a minimum of ten feet (3048 mm) from the following exposures: (D) Stored combustible materials(G) Other exposure hazards(181) Exceptions: (A) Clearances are permitted to be reduced to 3 feet (914mm) where a 1-hour free standing fire barrier, suitable for exterior use, and extending 5 feet (1524 mm) above and extending 5 feet (1524 mm) beyond the physical boundary of the ESS installations is provided to protect the exposure.(B) Clearances to buildings are permitted to be reduced to 3 feet (914 mm) where noncombustible exterior walls with no openings or combustible overhangs are provided on the wall adjacent to the ESS and the fire-resistance rating of the exterior wall is a minimum 2 hours.(C) Clearances to buildings are permitted to be reduced to 3 feet (914 mm) where a weatherproof enclosure constructed of noncombustible materials is provided over the ESS, and it has been demonstrated that a fire within the enclosure will not ignite combustible materials outside the enclosure based on large scale fire testing comply with Section 1206.1.5.(182) Section 1206.8.4 Exterior wall installations. This section has been added to clarify Energy Storage Systems (ESS) shall be permitted to be installed outdoors on exterior walls of buildings when specific criteria is met. The change provides one exception for smaller separation distances when approved based on large sale fire testing complying with Section 1206.1.5. This section has been added to read: 1206.6.8.4 Exterior wall installations. ESS shall be permitted to be installed outdoors on exterior walls of buildings when all of the following conditions are met: (A) The maximum energy capacity of individual ESS units shall not exceed 20 kWh.(B) The ESS shall comply with applicable requirements in Section 1206.(C) The ESS shall be installed in accordance with the manufacturer's instructions and their listing.(D) Individual ESS units shall be separated from each other by at least 3 feet (914 mm). (E) The ESS shall be separated from doors, windows, operable openings into the buildings or HVAC inlets by at least 5 feet (1524 mm).(183) Exception: Where approved, smaller separation distances in items 4 and 5 shall be permitted based on large scale fire testing complying with Section 1206.1.5.(184) Section 1206.9 Special installations. This section has been added to clarify rooftop and open parking garage Energy Storage Systems (ESS) shall comply with Sections 1206.9.1 through 1206.9.6. This section has been added to read: 1206.9 Special installations. Rooftop and open parking garage ESS installations shall comply with Sections 1206.9.1 through 1206.9.6.(185) Section 1206.9.1 Rooftop installations. This section has been added to clarify for the purpose of Table 1206.9, rooftop Energy Storage System (ESS) installations are those located on the roofs of buildings. This section has been added to read: 1206.9.1 Rooftop installations. For the purpose of Table 1206.9, rooftop ESS installations are those located on the roofs of buildings.(186) Section 1206.9.2 Open parking garage installations. This section has been added to clarify for the purpose of Table 1206.9, open parking garage Energy Storage System (ESS) installations are those located in a structure or portion of a structure that complies with Section 406.5 of the International Building Code®. This section has been added to read: 1206.9.2 Open parking garage installations. For the purpose of Table 1206.9, open parking garage ESS installations are those located in a structure or portion of a structure that complies with Section 406.5 of the International Building Code®.(187) Table 1206.9 Special ESS Installations. This table has been added to clarify the compliance required for special Energy Storage System (ESS) installations under specific sections of this chapter. The table has been added to read: Table 1206.9 Special ESS Installations. The table contains 12 rows with 3 columns per row and has two footnotes that follow the table. The table and footnotes are described below: (A) Row 1 is the header row and contains the three column headings described below: (i) Row 1, column 1 is entitled "Compliance Required." (ii) Row 1, column 2 is entitled "Rooftops" with a superscript "a" to indicate footnote "a" applies. (iii) Row 1, column 3 is entitled "Open Parking Garages" with a superscript "b" to indicate footnote "b" applies. (B) Row 2 contains the following information in each of the three columns: (i) Row 2, column 1 contains the wording "1206.4 All ESS installations." (ii) Row 2, column 2 contains the word "Yes." (iii) Row 2, column 3 contains the word "Yes." (C) Row 3 contains the following information in each of the three columns: (i) Row 3, column 1 contains the wording "1206.5.1 Size and separation." (ii) Row 3, column 2 contains the word "Yes." (iii) Row 3, column 3 contains the word "Yes." (D) Row 4 contains the following information in each of the three columns: (i) Row 4, column 1 contains the wording "1206.5.2 Maximum allowable quantities." (ii) Row 4, column 2 contains the word "Yes." (iii) Row 4, column 3 contains the word "Yes." (E) Row 5 contains the following information in each of the three columns: (i) Row 5, column 1 contains the wording "1206.5.4 Smoke and automatic fire detection." (ii) Row 5, column 2 contains the word "Yes." (iii) Row 5, column 3 contains the word "Yes." (F) Row 6 contains the following information in each of the three columns: (i) Row 6, column 1 contains the wording "1206.5 Maximum enclosure size." (ii) Row 6, column 2 contains the word "Yes." (iii) Row 6, column 3 contains the word "Yes." (G) Row 7 contains the following information in each of the three columns: (i) Row 7, column 1 contains the wording "1206.5.8 Means of egress separation." (ii) Row 7, column 2 contains the letters "Yes." (iii) Row 7, column 3 contains the word "Yes." (H) Row 8 contains the following information in each of the three columns: (i) Row 8, column 1 contains the wording "1206.9.3 Clearances to exposures." (ii) Row 8, column 2 contains the word "Yes." (iii) Row 8, column 3 contains the word "Yes." (I) Row 9 contains the following information in each of the three columns: (i) Row 9, column 1 contains the wording "1206.9.4 Fire suppression systems." (ii) Row 9, column 2 contains the word "Yes." (iii) Row 9, column 3 contains the word "Yes." (J) Row 10 contains the following information in each of the three columns: (i) Row 10, column 1 contains the wording "1206.9.5 Rooftop installations." (ii) Row 10, column 2 contains the word "Yes." (iii) Row 10, column 3 contains the word "No." (K) Row 11 contains the following information in each of the three columns: (i) Row 11, column 1 contains the wording "Open parking garage installations." (ii) Row 11, column 2 contains the word "No." (iii) Row 11, column 3 contains the word "Yes." (L) Row 12 contains the following information in each of the three columns: (i) Row 12, column 1 contains the wording "1206.6 Technology specific protection." (ii) Row 12, column 2 contains the word "Yes." (iii) Row 12, column 3 contains the word "Yes." (M) Footnote "a" states: "See Section 1206.9.1." (N) Footnote "b" states: "See Section 1206.9.2." (188) Section 1206.9.3 Clearances to exposures. This section has been added to clarify Energy Storage Systems (ESS) located on rooftops and in open parking garages shall be separated by a minimum of 10 feet (3048 mm) from a list of specific exposure criteria and provides two exceptions to allow clearances to be reduced when certain criteria is met. This section has been added to read: 1206.9.3 Clearances to exposures. ESS located on rooftops and in open parking garages shall be separated by a minimum ten feet (3048 mm) from the following exposures: (A) Buildings, except the building on which the rooftop ESS is mounted.(B) Any portion of the building on which a rooftop system is mounted that is elevated above the rooftop on which the system is installed.(189) Exceptions: (A) Clearances are permitted to be reduced to 3 feet (914 mm) where a 1-hour free standing fire barrier, suitable for exterior use, and extending 5 feet (1524 mm) above and extending 5 feet (1524 mm) beyond the physical boundary of the ESS installation is provided to protect the exposure.(B) Clearances are permitted to be reduced to 3 feet (914 mm) where a weatherproof enclosure constructed of noncombustible materials is provided over the ESS and it has been demonstrated that a fire within the enclosure will not ignite combustible materials outside the enclosure based on large scale fire testing complying with Section 1206.1.5.(190) Section 1206.9.4 Fire suppression systems. This section has been added to require Energy Storage Systems (ESS) located in walk-in units on rooftops or in walk-in units in open parking garages to be provided with automatic fire suppression systems within the ESS enclosure in accordance with Section 1206.5.5 The section requires areas containing ESS other than walk-in units in open parking structures on levels not open above to the sky be provided with an automatic suppression system complying with Section 1206.5.5. An exception is provided for a fire suppression system installations located in open parking garages, if large scale fire testing complying with Section 1206.1.5 is provided that shows that a fire will not impact the exposures in Section 1206.9.3. This section has been added to read: 1206.9.4 Fire suppression systems. ESS located in walk-in units on rooftops or walk-in units in open parking garages shall be provided with automatic fire suppression systems within the ESS enclosure in accordance with Section 1206.5.5. Areas containing ESS other than walk-in units in open parking structures on levels not open to the sky shall be provided with an automatic fire suppression system complying with Section 1206.5.5. Exception: A fire suppression system is not required in open parking garages if large scale testing complying with Section 1206.1.5 is provided that shows that a fire will not impact the exposures in Section 1206.9.3.(191) Section 1206.9.5 Rooftop installations. This section requires Energy Storage Systems (ESS) and associated equipment located on rooftops and not enclosed by building construction to comply with a list of specific criteria. This section has been added to read: 1206.9.5 Rooftop installations. ESS and associated equipment that are located on rooftops and not enclosed by building construction shall comply with the following: (A) Stairway access to the roof for emergency response and fire department personnel shall be provided either through a bulkhead from the interior of the building or a stairway on the exterior of the building.(B) Service walkways at least 5 feet (1524 mm) in width shall be provided for service and emergency personnel from the point of access to the roof to the system.(C) ESS and associated equipment shall be located from the edge of the roof a distance equal to at least the height of the system, equipment or component but not less than 5 feet (1524 mm).(D) The roofing materials under and within 5 feet (1524 mm) horizontally from an ESS or associated equipment shall be noncombustible or shall have a Class A rating when tested in accordance with ASTM E108 or UL 790.(E) A Class I standpipe outlet shall be installed at an approved location on the roof level of the building or in the stairway bulkhead at the top level.(F) The ESS shall be the minimum of 10 feet (3048 mm) from the fire service access point on the roof top.(192) Section 1206.9.6 Open parking garages. This section has been added to clarify Energy Storage Systems (ESS) and associated equipment located in open parking garages to comply with all of the items in a list of specific criteria. This section has been added to read: 1206.9.6 Open parking garages. ESS and associated equipment that are located in open parking garages shall comply with all of the following: (A) ESS shall not be located within 50 feet (15240 mm) of air inlets for building HVAC systems. Exception: The distance shall be permitted to be reduced to 25 feet (7620 mm) if the automatic fire alarm system monitoring the radiant-energy sensing detectors de- energizes the ventilation system connected to the air intakes upon detection of a fire. (B) ESS shall not be located with 25 feet (7620 mm) of exits leading from the attached building where located on a covered level of the parking structure not directly open to the sky above. (C) An approved fence with a locked gate or other approved barrier shall be provided to keep the general public at least 5 feet (1024 mm) from the outer enclosure of the ESS. (193) Section 1206.10 Mobile ESS equipment and operations. This section has been added to require mobile Energy Storage Systems (ESS) equipment and operations to comply with Sections 1206.10.1 through 1206.10.7.7. This section has been added to read: 1206.10 Mobile ESS equipment and operations. Mobile ESS equipment and operations shall comply with Sections 1206.10.1 through 1206.10.7.7.(194) Section 1206.10.1 Charging and storage. This section has been added to clarify for the purpose of Section 1206.10, charging and storage covers the operation where mobile Energy Storage Systems (ESS) are charged and stored so they are ready for deployment to another site, and where they are charged and stored after deployment. This section has been added to read: 1206.10.1 Charging and storage. For the purpose of Section 1206.10, charging and storage covers the operation where mobile ESS are charged and stored so they are ready for deployment to another site, and where they are charged and stored after a deployment.(195) Section 1206.10.2 Deployment. This section has been added to clarify for the purpose of Section 1206.10, deployment covers the operations where mobile Energy Storage Systems (ESS) are located at a site other than the charging and storage site and are being used to provide power. This section has been added to read: 1206.10.2 Deployment. For the purpose of Section 1206.10, deployment covers the operations where mobile ESS are located at a site other than the charging and storage site and are being used to provide power.(196) Section 1206.10.3 Permits. This section has been added to clarify construction and operational permits shall be provided for charging and storage of mobile Energy Storage Systems (ESS) and operational permits shall be provided for deployment of mobile ESS as required by Section 1206.1.2. This section has been added to read: 1206.10.3 Permits. Construction and operational permits shall be provided for charging and storage of mobile ESS and operational permits shall be provided for deployment of mobile ESS as required by Section 1206.1.2.(197) Section 1206.10.4 Construction documents. This section has been added to require construction documents complying with Section 1206.1.3 to be provided with the construction permit application for mobile Energy Storage Systems (ESS) charging and storage locations. This section has been added to read: 1206.10.4 Construction documents. Construction documents complying with Section 1206.1.3 shall be provided with the construction permit application for mobile ESS charging and storage locations.(198) 1206.10.4.1 Deployment documents. This section has been provided to clarify and list what information must be provided with the operation permit applications for mobile Energy Storage System (ESS) deployments. This section has been added to read; 1206.10.4.1 Deployment documents. The following information shall be provided with the operation permit applications for mobile ESS deployments: (A) Relevant information for the mobile ESS equipment and protection measures in the construction documents as required by Section 1206.1.3.(B) Location and layout diagram of the area in which the mobile ESS is to be deployed, including a scale diagram of all nearby exposures.(C) Location and content of signage, including no smoking signs.(D) Description of fencing to be provided around the ESS, including locking methods.(E) Details on fire suppression, smoke and automatic fire detection, system monitoring, thermal management, exhaust ventilation, and explosion control, if provided.(F) For deployment, the intended duration of operation, including anticipated connection and disconnection times and dates. (G) Location and description of local staging stops during transit to the deployment site. See Section 1206.10.7.5.(H) Description of the temporary wiring, including connection methods, conductor type and size, and circuit overcurrent protection to be provided.(I) Description of how fire suppression system connections to water supplies or extinguishing agents are to be provided.(J) Contact information for personnel who are responsible for maintaining and servicing the equipment, and responding to emergencies as required by Section 1206.1.6.1.(199) Section 1206.10.5 Approved locations. This section has been added to restrict the locations where mobile Energy Storage Systems (ESS) are charged, stored, and deployed to those locations established on the construction and operational permits. This section has been added to read: 1206.10.5 Approved locations. Locations where mobile ESS are charged, stored and deployed shall be restricted to the locations established on the construction and operational permits.(200) Section 1206.10.6 Charging and storage. This section has been added to clarify installations where mobile Energy Storage Systems (ESS) are charged and stored shall be treated as permanent ESS indoor or outdoor installations and shall comply with specific criteria. Two exceptions are provided, one for temporary wiring of electrical connections when complying with the manufacturer's instructions, the UL 9540 listing and NFPA 70®; and one for temporary connections to the water supply for fire suppression systems. This section has been added to read: 1206.10.6 Charging and storage. Installations where mobile ESS are charged and stored shall be treated as permanent ESS indoor or outdoor locations, and shall comply with the following sections, as applicable: (A) Indoor charging and storage shall comply with Section 1206.7.(B) Outdoor charging and storage shall comply with Section 1206.8.(C) Charging and storage on rooftops and in open parking garages shall comply with Section 1206.9.(201) Exceptions: (A) Electrical connections shall be permitted to be made using temporary wiring complying with the manufacturer's instructions, the UL 9540 listing, and NFPA 70®.(B) Fire suppression system connections to the water supply shall be permitted to use approved temporary connections. (202) Section 1206.10.7 Deployed mobile ESS requirements. This section has been added to clarify that deployed mobile Energy Storage Systems (ESS) equipment and operations shall comply with this section and Table 1206.10. This section has been added to read: 1206.10.7 Deployed mobile ESS requirements. Deployed mobile ESS equipment and operations shall comply with this section and Table 1206.10.(203) Section 1206.10.7.1 Duration. This section has been added to clarify mobile Energy Storage Systems (ESS) deployment shall not exceed 30 days and provides two exceptions for mobile ESS deployments that provide power durations longer than 30 days that comply with Section 1206.10.7, and Mobile ESS deployments that exceed 180 days if additional operation permits are obtained. This section has been added to read: 1206.10.7.1 Duration. The duration of mobile ESS deployment shall not exceed 30 days. Exceptions: (A) Mobile ESS deployments that provide power for durations longer than 30 days shall comply with Section 1206.10.7.(B) Mobile ESS deployments shall not exceed 180 days unless additional operational permits are obtained.(204) Section 1206.10.7.2 Restricted locations. This section has been added to clarify deployed mobile Energy Storage System (ESS) operations shall not be located indoors, in covered parking garages, on rooftops, below grade or under building overhangs. This section has been added to read: 1206.7.2 Restricted locations. Deployed mobile ESS operations shall not be located indoors, in covered parking garages, on rooftops, below grade, or under building overhangs.(205) Section 1206.10.7.3 Clearance to exposures. This section has been added to clarify deployed mobile Energy Storage Systems shall be separated by a minimum of 10 feet (3048 mm) from a list of specific exposures and must be separated by a minimum of 50 (1.5 m) feet from public seating areas and from tents, canopies and membrane structures with an occupant load of 30 or more. This section has been added to read: 1206.10.7.3 Clearances to exposures. Deployed mobile ESS shall be separated by a minimum 10 feet (3048 mm) from the following exposures: (C) Stored combustible materials (F) Other exposure hazards (206) Deployed mobile ESS shall be separated by a minimum of 50 feet (15.3 M) from public seating areas and from tents, canopies and membrane structures with an occupant load of 30 or more. (207) Section 1206.10.7.4. Electrical connections. This section has been added to clarify electrical connections are required to be made in accordance with the manufacturer's instructions and the UL 9540 listing. The section requires temporary wiring for electrical power connections to comply with NFPA 70® and clarifies fixed electrical wiring shall not be provided. This section has been added to read: 1206.10.7.4 Electrical connections. Electrical connections shall be made in accordance with the manufacturer's instructions and the UL 9540 listing. Temporary wiring for electrical power connections shall comply with NFPA 70. Fixed electrical wiring shall not be provided.(208) Section 1206.10.7.5 Local staging. This section has been added to clarify mobile Energy Storage Systems (ESS) in transit from the charging and storage location to the deployment location and back shall not be parked within 100 feet (30,480 mm) of an occupied building for more than one hour during transit, unless specifically approved by the fire code official when the permit is issued. This section has been added to read: 1206.10.7.5 Local staging. Mobile ESS in transit from the charging and storage location to the deployment location and back shall not be parked within 100 feet (30,480 mm) of an occupied building for more than one hour during transit, unless specifically approved by the fire code official when the permit is issued.(209) Section 1206.10.7.6 Fencing. This section has been added to clarify an approved fence with a locked gate or other approved barrier shall be provided to keep the general public at least 5 feet (1524 mm) from the outside enclosure of a deployed mobile Energy Storage System (ESS). This section has been added to read: 1206.10.7.6 Fencing. An approved fence with a locked gate or other approved barrier shall be provided to keep the general public at least 5 feet (1524 mm) from the outer enclosure of a deployed mobile ESS.(210) Section 1206.10.7.7. Smoking. This section has been added to prohibit smoking with 10 feet (3048 mm) of mobile Energy Storage Systems (ESS) and require signs to be posted in accordance with Section 310. This section has been added to read: 1206.10.7.7 Smoking. Smoking shall be prohibited within 10 feet (3048 mm) of mobile ESS. Signs shall be posted in accordance with Section 310.(211) Table 1206.10 Mobile Energy Storage Systems (ESS). This table has been added to clarify which sections within this section are applicable during mobile Energy Storage System (ESS) deployment. The table has been added to read: Table 1206.10 Mobile Storage Energy Systems (ESS). The table contains 10 rows and two columns and has five footnotes at the end. The table is described below: (A) Row 1 contains the header rows. Each of the two column headings are listed below: (i) Row 1, column 1 is entitled "Compliance Required." (ii) Row 1, column 2 is entitled "Deployment" with a superscript "a" indicate footnote "a" applies. (B) Row 2 contains the following information in each of the two columns: (i) Row 2, column 1 contains the wording "1206.4 All ESS installations." (ii) Row 2, column 2 contains the wording "Yes" with a superscript "b" to indicate footnote "b" applies.(C) Row 3 contains the following information in each of the two columns: (i) Row 3, column 1 contains the wording "1206.5.1 Size and separation." (ii) Row 3, column 2 contains the wording "Yes" with a superscript "c" to indicate footnote "c" applies.(D) Row 4 contains the following information in each of the two columns: (i) Row 4, column 1 contains the wording "1206.5.2 Maximum allowable quantities." (ii) Row 4, column 2 contains the wording "Yes." (E) Row 5 contains the following information in each of the two columns: (i) Row 5, column 1 contains the wording "1206.5.4 Smoke and automatic fire detection." (ii) Row 5, column 2 contains the wording "Yes" with a superscript "e" to indicate footnote "e" applies.(F) Row 6 contains the following information in each of the two columns: (i) Row 6, column 1 contains the wording "1206.5.5 Fire suppression systems." (ii) Row 6, column 2 contains the wording "Yes" with a superscript "d" to indicate footnote "d" applies. (G) Row 7 contains the following information in each of the two columns: (i) Row 7, column 1 contains the wording "1206.5.6 Maximum enclosure size." (ii) Row 7, column 2 contains the wording "Yes." (H) Row 8 contains the following information in each of the two columns: (i) Row 8, column 1 contains the wording "1206.5.7 Vegetation control." (ii) Row 8, column 2 contains the wording "Yes." (I) Row 9 contains the following information in each of the two columns: (i) Row 9, column 1 contains the wording "1206.5.8 Means of egress separation." (ii) Row 9, column 2 contains the wording "Yes." (J) Row 10 contains the following information in each of the two columns: (i) Row 10, column 1 contains the wording "1206.6 Technology specific protection." (ii) Row 10, column 2 contains the wording "Yes." (K) Footnote "a" states: "See Section 1206.10.2." (L) Footnote "b" states: "Mobile operations on wheeled vehicle or trailers shall not be required to comply with Section 1206.4.4 seismic and structural load requirements." (M) Footnote "c" states: "In walk-in units, spacing is not required between ESS units and the walls of the enclosure." (N) Footnote "d" states: "Fire suppression system connections to the water supply shall be permitted to use approved temporary connections." (O) Footnote "e" states: "Alarm signals are not required to be transmitted to an approved location for mobile ESS deployed 30 days or less." (212) Section 1206.11 ESS in Group R-3 and R-4 Occupancies. This section has been added to clarify Energy Storage Systems (ESS) in Group R-3 and R-4 occupancies shall be installed and maintained in accordance with Sections 1206.11.1 through 1206.11.9 and the temporary use of an owner or occupant's electric powered vehicle as an ESS shall be in accordance with Section 1206.4.10. This section has been added to read: 1206.11 ESS in Group R-3 and R-4 Occupancies. ESS in Group R-3 and R-4 occupancies shall be installed and maintained in accordance with Sections 1206.11.1 through 1206.11.9. The temporary use of an owner or occupant's electric powered vehicle as an ESS shall be in accordance with Section 1206.4.10.(213) Section 1206.11.1 Equipment listings. This section has been added to clarify Energy Storage Systems (ESS) shall be listed and labeled in accordance with UL 9540. The section prohibits ESS listed and labeled solely for utility or commercial use to be used for residential applications and provides two exceptions to the section. This section has been added to read: 1206.11.1 Equipment listings. ESS shall be listed and labeled in accordance with UL 9540. ESS listed and labeled solely for utility or commercial use shall not be used for residential applications. Exceptions: (A) Where approved, repurposed unlisted battery systems from electric vehicles are allowed to be installed outdoors or in detached dedicated cabinets located not less than 5 feet (1524 mm) from exterior walls, property lines and public ways.(B) ESS less than 1 kWh (3.6 Megajoules). (214) Section 1206.11.2 Installation. This section has been added to require installation of Energy Storage Systems (ESS) to be installed in accordance with the manufacturer's instructions and their listing. This section has been added to read: 1206.11.2 Installation. ESS shall be installed in accordance with the manufacturer's instructions and their listings.(215) Section 1206.11.2.1 Spacing. This section has been added to clarify individual units shall be separated from each other by at least 3 feet (914 mm) of spacing unless smaller separation distances are documented to be adequate based on large scale fire testing complying with Section 1206.1.5. This section has been added to read: 1206.11.2.1 Spacing. Individual units shall be separated from each other by at least 3 feet (914 mm) of spacing unless smaller separation distances are documented to be adequate based on large scale fire testing complying with Section 1206.1.5.(216) Section 1206.11.3 Location. This section has been added to provide a list of specific locations where the Energy Storage System (ESS) can be installed. This section has been added to read: 1206.11.3 Location. ESS shall only be installed in the following locations: (A) Detached garages and detached accessory structures.(B) Attached garages separated from the dwelling unit living space and sleeping units in accordance with Section 406.3.2 of the International Building Code®.(C) Outdoors on exterior walls located a minimum 3 ft. from doors and windows.(D) Utility closets and storage or utility spaces within dwelling units and sleeping units.(217) Section 1206.11.4 Energy ratings. This section has been added to clarify individual Energy Storage Systems (ESS) shall have a maximum rating of 20 kWh and lists the aggregate rating structures that shall not be exceeded. This section has been added to read: 1206.11.4 Energy ratings. Individual ESS units shall have a maximum rating of 20 kWh. The aggregate rating structures shall not exceed: (A) 40 kWh within utility closets and storage utility spaces.(B) 80 kWh in attached or detached garages and detached accessory structures.(C) 80 kWh on exterior walls.(D) 80 kWh outdoors on the ground.(218) Section 1206.11.5 Electrical installation. This section has been added to require Energy Storage Systems (ESS) to be installed in accordance with NFPA 70® and require inverters to be listed and labeled in accordance with UL 1741 or provided as part of the UL 9540 listing. The section requires systems connected to the utility grid to use inverters listed for utility interaction. This section has been added to read: 1206.11.5 Electrical installation. ESS shall be installed in accordance with NFPA 70®. Inverters shall be listed and labeled in accordance with UL 1741 or provided as part of the UL 9540 listing. Systems connected to the utility grid shall use inverters listed for utility interaction.(219) Section 1206.11.6 Fire detection. This section has been added to require rooms and areas within dwelling units, sleeping units and attached garages in which Energy Storage Systems (ESS) are installed to be protected by smoke alarms in accordance with Section 907.2.10. The section requires a heat detector listed and interconnected to the smoke alarms to be installed in locations within the dwelling units, sleeping units and attached garages where smoke alarms cannot be installed based on their listing. This section has been added to read: 1206.11.6 Fire detection. Rooms and areas within dwelling units, sleeping units and attached garages in which ESS are installed shall be protected by smoke alarms in accordance with Section 907.2.10. A heat detector listed and interconnected to the smoke alarms shall be installed in locations within dwelling units, sleeping units and attached garages where smoke alarms cannot be installed based on their listings. (220) Section 1206.11.7 Protection from impact. This section has been added to require energy storage systems (ESS) installed in a location subject to vehicle damage to be protected by approved barriers. The change requires appliances installed in garages to be installed in accordance with Section 304.3 of the International Mechanical Code®. This section has been added to read: 1206.11.7 Protection from impact. ESS installed in a location subject to damage shall be protected by approved barriers. Appliances in garages shall also be installed in accordance with Section 304.3 of the International Mechanical Code®.(221) Section 1206.11.8 Ventilation. This section has been added to require indoor installations of Energy Storage Systems (ESS) that include batteries that produce hydrogen or other flammable gases during charging to be provided with exhaust ventilation in accordance with Section 1206.6.1. This section has been added to read: 1206.11.8 Ventilation. Indoor installations of ESS that include batteries that produce hydrogen or other flammable gases during charging shall be provided with exhaust ventilation in accordance with Section 1206.6.1.(222) Section 1206.11.9 Toxic and highly toxic gas. This section has been added to prohibit Energy Storage Systems (ESS) that have the potential to release toxic or highly toxic gas during charging, discharging and normal use conditions from being installed within Group R- 3 and R-4 occupancies. This section has been added to read: 1206.11.9 Toxic and highly toxic gas. ESS that have the potential to release toxic or highly toxic gas during charging, discharging and normal use conditions shall not be installed within Group R-3 or R-4 occupancies.(223) Section 1206.11.10 Electric vehicle use. This section has been added to require the temporary use of an owner or occupant's electric powered vehicle to power a dwelling unit or sleeping unit while parked in an attached or detached garage or outside to comply with the vehicle manufacturer's instructions and NFPA 70®. This section has been added to read: 1206.11.10 Electric vehicle use. The temporary use of an owner or occupant's electric powered vehicle to power a dwelling unit or sleeping unit while parked in an attached or detached garage or outside shall comply with the vehicle manufacturer's instructions and NFPA 70®.Okla. Admin. Code § 748:20-4-17
Reserved by Oklahoma Register, Volume 37, Issue 24, September 1, 2020, eff. 8/3/2020Adopted by Oklahoma Register, Volume 38, Issue 24, September 1, 2021, eff. 9/14/2021