2022 NFPA 12 Standard - Current Edition
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  • Description

    Stay informed on the latest in carbon dioxide fire extinguishing systems for safer and more efficient design, installation, and maintenance with NFPA 12, Standard on Carbon Dioxide Extinguishing Systems.

    Up-to-date with code references in NFPA 3, Standard for Commissioning of Fire Protection and Life Safety Systems, and NFPA 4, Standard for Integrated Fire Protection and Life Safety System Testing, the 2022 edition of NFPA 12, Standard on Carbon Dioxide Extinguishing Systems, presents the latest consensus-based rules for the installation and maintenance of CO2 extinguishing systems.

    Coverage in NFPA 12, Standard on Carbon Dioxide Extinguishing Systems, addresses the following:

    • Total flooding systems
    • Local application systems
    • Hand hose line systems
    • Standpipe systems
    • Mobile supplies for the full range of systems used for industrial and marine fire protection

    This standard is essential for fire protection designers and installers, engineers, facility managers, and inspectors.

    The updated safety standard is important for anyone whose job involves carbon dioxide fire extinguishing system purchasing, design, installation, testing, inspection, approval, listing, operation, or maintenance. The 2022 edition of NFPA 12, Standard on Carbon Dioxide Extinguishing Systems, incorporates several significant clarifications and corrections to help professionals ensure that CO2 extinguishing systems function properly and safely.

    Order the latest edition of NFPA 12, Standard on Carbon Dioxide Extinguishing Systems, today to help ensure the secure design, installation, and maintenance of CO2 extinguishing systems. (Print, 63 pp., 2022)

  • Table of Contents (2022 Current Edition)

    NFPA® 12 Standard on Carbon Dioxide Extinguishing Systems, 2022 Edition

    Chapter 1 Administration
    1.1 Scope.
    1.2 Purpose.
    1.3 Retroactivity.
    1.4 Units.
    Chapter 2 Referenced Publications
    2.1 General.
    2.2 NFPA Publications.
    2.3 Other Publications.
    2.4 References for Extracts in Mandatory Sections.
    Chapter 3 Definitions
    3.1 General.
    3.2 NFPA Official Definitions.
    3.3 General Definitions.
    3.4 Special Definitions.
    Chapter 4 General Information
    4.1 Restrictions for Normally Occupied Enclosures.
    4.2 Carbon Dioxide Use and Limitations.
    4.3 Personnel Safety.
    4.4 Specifications, Plans, and Approvals.
    4.5 Detection, Actuation, and Control.
    4.6 Carbon Dioxide Supply.
    4.7 Distribution Systems.
    4.8 Inspection, Maintenance, and Instruction.
    Chapter 5 Total Flooding Systems
    5.1 General Information.
    5.2 Hazard Specifications.
    5.3 Carbon Dioxide Requirements for Surface Fires.
    5.4 Carbon Dioxide Requirements for Deep-Seated Fires.
    5.5 Distribution System.
    5.6 Venting Consideration.
    Chapter 6 Local Application Systems
    6.1 General Information.
    6.2 Hazard Specifications.
    6.3 Carbon Dioxide Requirements.
    6.4 Rate-by-Area Method.
    6.5 Rate-by-Volume Method.
    6.6 Distribution System.
    Chapter 7 Hand Hose Line Systems
    7.1 General Information.
    7.2 Hazard Specifications.
    7.3 Location and Spacing.
    7.4 Carbon Dioxide Requirements.
    7.5 Equipment Specifications.
    7.6 Training.
    Chapter 8 Standpipe Systems and Mobile Supply
    8.1 General Information.
    8.2 Hazard Specifications.
    8.3 Standpipe Requirements.
    8.4 Mobile Supply Requirements.
    8.5 Training.
    Chapter 9 Marine Systems
    9.1 Special Definitions.
    9.2 General.
    9.3 System Requirements.
    9.4 Inspection and Maintenance.
    Annex A Explanatory Material
    Annex B Examples of Hazard Protection
    Annex C Pipe and Orifice Size Determination
    Annex D Total Flooding Systems
    Annex E Surface Fires
    Annex F Local Application Carbon Dioxide Systems
    Annex G General Information on Carbon Dioxide
    Annex H Informational References
  • Prior Editions

    2018 Edition

    The 2018 edition of NFPA 12 provides the latest in carbon dioxide fire extinguishing systems for safe and efficient design, installation, and maintenance.

    Up-to-date with code references in NFPA 3 and NFPA 4, the 2018 edition of NFPA 12, Standard on Carbon Dioxide Extinguishing Systems presents the latest consensus-based rules for the installation and maintenance of CO2 extinguishing systems. Coverage in NFPA 12 addresses total flooding systems, local application systems, hand hose line systems, standpipe systems, and mobile supplies for the full range of systems used for industrial and marine fire protection.

    Changes in the 2018 edition of NFPA 12 include:

    • New requirement to conduct testing of integrated fire protection and life safety systems in accordance with NFPA 4, Standard for Integrated Fire Protection and Life Safety System Testing
    • New section on pipe hangers and supports
    • New annex section on full discharge testing
    • Revised equivalency statement that specifies the authority having jurisdiction is responsible for approving an equivalent system, method, or device
    • Other changes reflecting updated referenced codes and standards

    NFPA 12 is essential for fire protection designers and installers, engineers, facility managers, and inspectors

    The Standard is important for anyone whose job involves carbon dioxide fire extinguishing system purchasing, design, installation, testing, inspection, approval, listing, operation, or maintenance. (Print, 70 pp., 2018)


    2015 Edition

    The 2015 NFPA 12 provides the latest in carbon dioxide fire extinguishing systems for safe and efficient design, installation, and maintenance.

    Up-to-date with code references and new information in NFPA 3 on commissioning, the 2015 NFPA 12, Standard on Carbon Dioxide Extinguishing Systems presents today's consensus-based rules for the installation and maintenance of CO2 extinguishing systems. Coverage in NFPA 12 addresses total flooding systems, local application systems, hand hose line systems, standpipe systems, and mobile supplies for the full range of systems used for industrial and marine fire protection.

    NFPA 12 is essential for fire protection designers and installers, engineers, facility managers, and inspectors:

    • A new system acceptance test report complies with NFPA 3, Commissioning of Fire Protection and Life Safety Systems, so building owners and their representatives responsible for commissioning will be prepared
    • Other changes reflect updated referenced codes and standards

    Recent updates make this edition of the Standard important for anyone whose job involves carbon dioxide fire extinguishing system purchasing, design, installation, testing, inspection, approval, listing, operation, or maintenance. (Softbound, 59 pp., 2015)

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