2019 NFPA 24 Standard - Current Edition

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Item #: NFPA_24
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  • Description

    Improve water-based fire protection effectiveness with the new NFPA 24.

    A must-have resource for everyone from fire protection system designers to authorities having jurisdiction (AHJs), NFPA 24, Installation of Private Fire Service Mains and Their Appurtenances presents comprehensive requirements governing private fire service mains and private fire hydrants.

    NFPA 24 is a vital element of every fire protection plan.

    This critical Standard covers location and identification of department connections, protection of fire service mains, and valves controlling water supplies. NFPA 24's criteria also addresses underground fire service mains and related equipment, yard piping that feeds automatic sprinkler systems, yard hydrants, standpipes, and other water-based systems.

    The 2019 edition includes:

    • Changes related to trenching and backfill
    • First-time acceptance testing requirements for aboveground piping
    • Revisions that clarify the limited use of steel piping for underground service

    Make sure water supplies are ready when needed with the latest edition of NFPA 24. (Softbound, 62 pp., 2019)

    Interested in other editions of NFPA 24? Use the drop down menu above to select the edition year you need.

  • Table of Contents (2019 Current Edition)

    NFPA® 24 Standard for the Installation of Private Fire Service Mains and Their Appurtenances, 2019 Edition

    Chapter 1 Administration
    1.1 Scope.
    1.2 Purpose.
    1.3 Retroactivity.
    1.4 Equivalency.
    1.5 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 Hydrant Definitions.
    Chapter 4 General Requirements
    4.1 Plans.
    4.2 Installation Work.
    Chapter 5 Water Supplies
    5.1 Connection to Waterworks Systems.
    5.2 Size of Fire Mains.
    5.3 Pressure-Regulating Devices and Meters.
    5.4 Connection from Waterworks Systems.
    5.5 Connections to Public Water Systems.
    5.6 Pumps.
    5.7 Tanks.
    5.8 Penstocks, Rivers, Lakes, or Reservoirs.
    5.9 Remote Fire Department Connections.
    Chapter 6 Water Supply Connections
    6.1 Valves.
    6.2 Connections to Water Supplies.
    6.3 Post Indicator Valves.
    6.4 Valves in Pits.
    6.5 Backflow Prevention Assemblies.
    6.6 Sectional Valves.
    6.7 Identifying and Securing Valves.
    6.8 Check Valves.
    Chapter 7 Hydrants
    7.1 General.
    7.2 Number and Location.
    7.3 Installation.
    Chapter 8 Hose Houses and Equipment
    8.1 General.
    8.2 Location.
    8.3 Construction.
    8.4 Size and Arrangement.
    8.5 Marking.
    8.6 General Equipment.
    8.7 Domestic Service Use Prohibited.
    Chapter 9 Master Streams
    9.1 Master Streams.
    9.2 Application and Special Considerations.
    Chapter 10 Underground Requirements
    10.1 Piping.
    10.2 Fittings.
    10.3 Connection of Pipe, Fittings, and Appurtenances.
    10.4 Protection of Private Fire Service Mains.
    10.5 Grounding and Bonding.
    10.6 Restraint.
    10.7 Steep Grades.
    10.8 Installation Requirements.
    10.9 Backfilling.
    10.10 Testing and Acceptance.
    Chapter 11 Hydraulic Calculations
    11.1 Calculations in U.S. Customary Units.
    11.2 Calculations in SI Units.
    Chapter 12 Aboveground Pipe and Fittings
    12.1 General.
    12.2 Protection of Piping.
    Chapter 13 Sizes of Aboveground and Buried Pipe
    13.1 Private Service Mains.
    13.2 Mains Not Supplying Hydrants.
    13.3 Mains Supplying Fire Protection Systems.
    Chapter 14 System Inspection, Testing, and Maintenance
    14.1 General.
    Annex A Explanatory Material
    Annex B Valve Supervision Issues
    Annex C Recommended Practice for Fire Flow Testing
    Annex D Recommended Practice for Marking of Hydrants
    Annex E Informational References
  • How the NFPA Handbooks Differ from Codes and Standards

    THE NFPA HANDBOOKS DIFFER FROM CODES AND STANDARDS

    Ever wonder what the difference is between an NFPA® handbook and a code or standard? We’re glad you asked.

    NFPA codes and standards both provide requirements for achieving outcomes. Handbooks take a deeper dive, providing the full text of a code or standard as well as expert commentary and features such as graphics, decision trees, testing procedures, case studies, sample forms and checklists, and other helpful aids to give a better understanding of the reasoning behind the requirements and how to apply them.

    JUST REMEMBER:

    • A code or standard is a framework—a set of rules to follow with a goal to achieve a certain result
    • A handbook is a connector—linking requirements to application by helping you understand the reasoning behind a code or standard

    The simplest way to think about it is that codes and standards list the technical requirements while handbooks explain those requirements to clarify how to apply them.

  • Prior Editions

    2016 Edition

    For everyone from designers to Authorities Having Jurisdiction (AHJs), the latest edition of NFPA 24 is a must-have resource.

    An essential Standard for effective water-based fire protection, NFPA 24,Installation of Private Fire Service Mains and Their Appurtenances presents comprehensive requirements governing private fire service mains and private fire hydrants.

    Reference the 2016 NFPA 24 for the latest information on location and identification of department connections, protection of fire service mains, and valves controlling water supplies. NFPA 24's criteria also addresses underground fire service mains and related equipment, yard piping that feeds automatic sprinkler systems, yard hydrants, standpipes, and other water-based systems.

    To help you improve water-based fire protection effectiveness, the 2016 NFPA 24 was rewritten with a more user-friendly structure. Technical changes include:

    • Clarified valve arrangement requirements and added Annex figures are consistent with NFPA 13.
    • Revised Section 6.1 helps users identify the permitted exceptions to indicating valves, and also now permits non-listed tapping sleeve and valve assemblies in connections to municipal water supplies.
    • An added statement allows underground fittings to be used aboveground to transition to aboveground piping.
    • Because steel pipe is required to be listed other than in the Fire Department Connection (FDC) line, steel underground piping references were removed from the table in Chapter 10.

    Make sure water supplies are ready when needed. Don't overlook this vital element of your fire protection plan. (Softbound, 54 pp., 2016)

     

    Interested in other editions of NFPA 24? Use the drop down menu above to select the edition year you need.

  • NFPA eBooks and PDFs

    NFPA® eBooks and PDFs can be downloaded immediately after purchase for quick, easy access.

    Accessing
    Upon purchase of an NFPA eBook or PDF, you will be prompted with instructions for downloading and accessing.

  • What is a Redline PDF?

    NFPA®'s Redline PDF contains both the current NFPA document and a Redline version of the document which shows changes from the previous edition marked in color. With the Redline you can quickly spot changed sections and tell specifically what has been changed from the previous edition, saving time and confusion.

    • Changed sections are marked with a vertical rule.
    • Deleted material is shown in red strikethrough type.
    • New material appears in blue underscored type.

     

    Sample (NEC® 2014)

    411.2411.3 Definition. Low-Voltage Lighting Systems.

     

    (A) General. Lighting Ssystems Ooperating at 30 Volts- volts or  Less. A lighting system consisting less shall consist of an isolating power supply, the low-voltage luminaires, and associated equipment that are all identified for the use. The output circuits of the power supply are shall be rated for not more than 25 amperes and  operate at 30 volts (42.4 volts peak) or lessmaximum under all load conditions.

     

    (B) Class 2. Listed Class 2 lighting equipment shall be rated in conformance with Chapter 9, Table 11(A) or Table 11(B).

     

    411.3411.4 Listing Required. Lighting systems operating at 30 volts or less shall comply with 411.3(A)411.4(A) or 

    411.3(B).411.4(B). Class 2 power sources and lighting equipment connected to Class 2 power sources shall be llisted.

  • Also in Sprinkler and Water-Based Systems