2017 NFPA 555 Guide - Current Edition
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  • Description

    Apply the latest engineering methods! Update to the 2017 edition of NFPA 555: Guide on Methods for Evaluating Potential for Room Flashover for current methods and new data based on recent studies.

    To help ensure life safety and property protection, keep pace with current methods for determining flashover risks as described in NFPA 555. With the growing application of equivalency concepts and performance-based designs, it's increasingly important for fire protection engineers and AHJs to be able to evaluate the potential for room flashover, or full involvement during a fire.

    The methods in NFPA 555 concern:

    • Prevention of ignition
    • Installation of automatic fire suppression systems
    • Control of ventilation factors
    • Limitation of the heat release rate of individual and grouped room contents, furnishings, and interior finish

    New data in the 2017 edition help you stay up-to-date.

    The 2017 edition of NFPA 555 adds new language to Chapter 9 regarding the methods used to determine the heat release rates of electrical and optical fiber cables. Chapter 9 also references new information for determining the typical heat release rates for residential furniture fires including use of the furniture calorimeter. Order today to provide fire protection engineering solutions based on the industry benchmark. (Print, 44 pp., 2017)


    Interested in other editions of NFPA 555? Use the drop down menu above to select the edition year you need.

  • Table of Contents (2017 Current Edition)

    NFPA® 555 Guide on Methods for Evaluating Potential for Room Flashover, 2017 Edition

    Chapter 1 Administration
    1.1 Scope.
    1.2 Purpose.
    Chapter 2 Referenced Publications
    2.1 General.
    2.2 NFPA Publications.
    2.3 Other Publications.
    2.4 References for Extracts in Advisory Sections.
    Chapter 3 Definitions
    3.1 General.
    3.2 NFPA Official Definitions.
    3.3 General Definitions.
    Chapter 4 Instructions for Use of This Guide
    4.1 Procedures.
    4.2 Illustration of Use.
    4.3 Analyses.
    4.4 Means of Fire Control.
    4.5 Conditions for Further Analyses.
    4.6 Fuel Packages.
    4.7 Flashover-Potential Analysis.
    4.8 Applications in Codes.
    Chapter 5 Automatic Suppression Systems
    5.1 General.
    5.2 System Failure.
    5.3 Hazard Protection.
    5.4 Evaluation Considerations for Automatic Suppression Systems.
    5.5 Design, Installation, and Maintenance.
    Chapter 6 Oxygen Availability and Ventilation
    6.1 Considerations.
    6.2 Oxygen Consumption.
    6.3 Venting and Exhaust of Hot Smoke Layer.
    Chapter 7 Predicting Flashover for Fire Hazard Calculations
    7.1 Background.
    7.2 Estimating Room Flashover Potential.
    Chapter 8 Fuel Package Definition
    8.1 Introduction.
    8.2 Fuel Package.
    8.3 Defining Fuel Packages.
    Chapter 9 Estimation Techniques for Heat Release Rate
    9.1 Introduction.
    9.2 Preferred Hierarchical Order.
    9.3 Full-Compartment Fire Tests.
    9.4 Full-Scale Tests on Individual Items or Fuel Packages.
    9.5 Tests on Large-Scale Mock-Ups of Individual Items.
    9.6 Bench-Scale Tests on Composite Samples.
    9.7 Bench-Scale Tests on Individual Materials.
    9.8 Other Prediction Methods.
    Chapter 10 Ignition of Secondary Items by Radiative Heating
    10.1 Methods/Tools.
    10.2 Radiative Ignition of Materials.
    10.3 Radiative Heating.
    10.4 Example Methods.
    Annex A Explanatory Material
    Annex B Room Fire Models to Predict Heat Release and Fire Growth
    Annex C Informational References
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