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// CODE SNIPPET

608.5 Suppression and Detection Systems

California Fire Code 2016 > 6 Building Services and Systems > 608 Stationary Storage Battery Systems > 608.5 Suppression and Detection Systems
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Suppression and detection systems shall be provided in accordance with Sections 608.5.1 through 608.5.5.

608.5.1 Fire Suppression Systems

Rooms containing stationary storage battery systems shall be equipped with an automatic sprinkler system installed in accordance with Section 903.3.1.1. Commodity classifications for specific technologies of storage batteries shall be in accordance with Chapter 5 of NFPA 13. If the storage battery types are not addressed in Chapter 5 of NFPA 13, the fire code official is authorized to approve the fire suppression system based on full-scale fire and fault condition testing conducted or witnessed and reported by an approved laboratory.

Exception: Spaces or areas containing stationary storage battery systems used exclusively for telecommunications equipment in accordance with Section 903.2.

608.5.1.1 Alternative Suppression Systems

Battery systems that utilize water reactive materials shall be protected by an approved alternative automatic fireextinguishing system in accordance with Section 904. The system shall be listed for protecting the type, arrangement and quantities of storage batteries in the room. The fire code official shall be permitted to approve the alternate fire suppression system based on full-scale fire and fault condition testing conducted or witnessed and reported by an approved laboratory.

608.5.2 Smoke Detection System

An approved automatic smoke detection system shall be installed in rooms containing stationary storage battery systems in accordance with Section 907.2.

608.5.3 Ventilation

Where required by Section 608.6 or Section 608.1.3, ventilation of rooms containing stationary storage battery systems shall be provided in accordance with the California Mechanical Code and the following:
  1. The ventilation system shall be designed to limit the maximum concentration of flammable gas to 25 percent of the lower flammability limit, or for hydrogen 1.0 percent of the total volume of the room; or
  2. Continuous ventilation shall be provided at a rate of not less than 1 cubic foot per minute (cfm) per square foot [0.00508 m3/(s • m2)] of floor area, but not less than 150 cfm (4 m3/min).
  3. The exhaust system shall be designed to provide air movement across all parts of the floor for gases having a vapor density greater than air and across all parts of the ceiling for gases having a vapor density less than air.

608.5.3.1 Cabinet Ventilation

Where cabinets located in occupied spaces contain the storage batteries that are required by Section 608.6 or 608.1.3 to be provided with ventilation, the cabinet shall be provided with ventilation in accordance with Section 608.5.3.

608.5.3.2 Supervision

Required mechanical ventilation systems for rooms and cabinets containing storage batteries shall be supervised by an approved central station, proprietary or remote station service or shall initiate an audible and visual signal at an approved constantly attended on-site location.

608.5.4 Gas Detection System

Where required by Section 608.6 or 608.1.3, rooms containing stationary storage battery systems shall be protected by a continuous gas detection system complying with Section 916. The gas detection system shall be designed to activate where the level of flammable gas exceeds 25 percent of the lower flammable limit (LFL), or where the level of toxic or highly toxic gas exceeds 1/2 of the IDLH.

608.5.4.1 System Activation

Activation of the gas detection system shall result in all the following:
  1. Initiation of distinct audible and visible alarms in the battery storage room.
  2. Transmission of an alarm to an approved location.
  3. De-energizing of the battery charger.
  4. Activation of the mechanical ventilation system, where the system is interlocked with the gas detection system.
Exception: Lead acid and nickel cadmium stationary storage battery systems shall not be required to comply with Items 1, 2, and 3 above.

608.5.5 Spill Control and Neutralization

Where required by Section 608.6, approved methods and materials shall be provided for the control and neutralization of spills of electrolyte or other hazardous materials in areas containing stationary storage batteries as follows:
  1. For batteries with free-flowing electrolyte, the method and materials shall be capable of neutralizing a spill of the total capacity from the largest cell or block to a pH between 5.0 and 9.0.
  2. For batteries with immobilized electrolyte, the method and material shall be capable of neutralizing a spill of 3.0 percent of the capacity of the largest cell or block in the room to a pH between 5.0 and 9.0.

Related Code Sections


608.5 Building Services and Systems, Suppression and Detection Systems
Suppression and detection systems shall be provided in accordance with Sections 608.5.1 through 608.5.5 ...
California Fire Code 2016 > 6 Building Services and Systems > 608 Stationary Storage Battery Systems > 608.5 Suppression and Detection Systems
608.5.3 Building Services and Systems, Ventilation
Where required by Section 608.6 or Section 608.1.3, ventilation of rooms containing stationary storage battery systems shall be provided ...
California Fire Code 2016 > 6 Building Services and Systems > 608 Stationary Storage Battery Systems > 608.5 Suppression and Detection Systems > 608.5.3 Ventilation
608.5.5 Building Services and Systems, Spill Control and Neutralization
Where required by Section 608.6, approved methods and materials shall be provided for the control and neutralization of spills of electrolyte or other ...
California Fire Code 2016 > 6 Building Services and Systems > 608 Stationary Storage Battery Systems > 608.5 Suppression and Detection Systems > 608.5.5 Spill Control and Neutralization
608.5.3.1 Building Services and Systems, Cabinet Ventilation
Where cabinets located in occupied spaces contain the storage batteries that are required by Section 608.6 or 608.1.3 to be provided with ventilation ...
California Fire Code 2016 > 6 Building Services and Systems > 608 Stationary Storage Battery Systems > 608.5 Suppression and Detection Systems > 608.5.3 Ventilation > 608.5.3.1 Cabinet Ventilation
608.5.3.2 Building Services and Systems, Supervision
Required mechanical ventilation systems for rooms and cabinets containing storage batteries shall be supervised by an approved central station ...
California Fire Code 2016 > 6 Building Services and Systems > 608 Stationary Storage Battery Systems > 608.5 Suppression and Detection Systems > 608.5.3 Ventilation > 608.5.3.2 Supervision
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