2017 NFPA 56 Standard - Current Edition

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  • Description

    Apply the latest safe procedures for cleaning and purging flammable gas piping systems with this important new edition of the industry benchmark, NFPA 56.

    Without proper safety protocols in place, charging or evacuating flammable gas piping systems can be a dangerous endeavor. NFPA 56: Standard for Fire and Explosion Prevention During Cleaning and Purging of Flammable Gas Piping Systems provides a valuable foundation for making safety-related decisions while developing procedures for these activities.

    NFPA 56 presents key requirements for ensuring the development of safe procedures for cleaning and purging flammable gas piping systems, including:

    • Identifying a safe discharge point
    • Notifying and training personnel involved in such activities
    • Preventing the development of a flammable gas mixture in occupied areas

    Protect your personnel and your facilities from hazards using the 2017 edition of NFPA 56.

    Provisions for written procedures for cleaning and purging activities now cover additional topics. The procedures are now required to address nonconductive components in temporary piping assemblies to account for the static charge that might be induced by those components. Written procedures must also address protection and rescue of personnel, including the selection of fire-resistant clothing based on a hazard analysis in accordance with NFPA 2113: Standard on Selection, Care, Use, and Maintenance of Flame-Resistant Garments for Protection of Industrial Personnel Against Short-Duration Thermal Exposures.

    Safety begins with adequate training on hazard mitigation.

    New training requirements in Chapter 5 help you ensure that knowledge transfer is evident in the training program and the appropriate information is maintained in the training records. Bring everyone in your facility up to speed with the latest edition of NFPA 56. (Softbound, 62 pp., 2017)


    Interested in other editions of NFPA 56? Use the drop down menu above to select the edition year you need.

  • Table of Contents (2017 Current Edition)

    NFPA® 56 Standard for Fire and Explosion Prevention During Cleaning and Purging of Flammable Gas Piping Systems,2017 Edition

    Chapter 1 Administration
    1.1 Scope.
    1.2 Purpose.
    1.3 Coordination.
    1.4 Retroactivity.
    1.5 Equivalency.
    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.
    Chapter 4 General Requirements
    4.1 Piping System Construction.
    4.2 Temperature and Pressure.
    4.3 Notification of Hazards.
    4.4 Cleaning and Purging Procedures.
    4.5 Safety Validation.
    4.6 Management of Change.
    4.7 Documentation.
    4.8 Notification of Hazards.
    4.9 Evacuation of Affected Area.
    4.10 Segment Cleaning.
    4.11 Hangers and Supports.
    4.12 Nonflammable Atmosphere.
    4.13 Utility Coordination.
    4.14 Restricted Access.
    4.15 Hot Work Safety.
    Chapter 5 Training Requirements
    5.1 Training.
    Chapter 6 Cleaning
    6.1 Cleaning of Flammable Gas Piping.
    6.2 Cleaning Media.
    6.3 Temporary Power/Fuel Supply.
    6.4 Temporary Piping (Including Hose Assemblies).
    6.5 Pig Cleaning.
    6.6 Target.
    6.7 Isolation and Protection of Clean Piping Systems or Segments.
    Chapter 7 Purging into Service
    7.1 Charging Piping System with Flammable Gas.
    7.2 Discharge of Purged Gases.
    7.3 Detection Equipment.
    Chapter 8 Purging Out of Service
    8.1 Isolation.
    8.2 Charging with Inert Gas.
    8.3 Discharge of Purged Gases.
    8.4 Detection Equipment.
    Annex A Explanatory Material
    Annex B Purge End Points for Common Flammable Gases
    Annex C Sample Purge Procedure
    Annex D Informational References
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