2019 NFPA 20 Standard - Current Edition

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  • Description

    Revised to recognize new technologies and improve application, the 2019 edition of NFPA 20 helps you provide state-of-the-art fire protection.

    Industry-trusted NFPA 20, Standard for the Installation of Stationary Pumps for Fire Protection gives you the latest provisions to help ensure fire pump readiness and reliability. This Standard offers comprehensive requirements for fire pumps, limited service controllers, and pumps in series. Designers, engineers, contractors, and installers can look to this expanded source for the latest coverage of today's technologies and up-to-date requirements for:

    • Fire pump design
    • Electrical and mechanical construction
    • Acceptance testing
    • Operation

    Added requirements address recent advancement in the field.

    This edition includes first-time or expanded coverage of technologies such as:

    • Automated inspection and testing
    • Distance monitoring
    • Automated valves
    • Self-regulating variable speed fire pump units

    Other improvements help you avoid errors and misinterpretations.

    The requirements for hydraulic cranking systems are revised to distinguish between systems used as primary cranking systems and those used as secondary cranking systems. Annex C is revised significantly to make data formatting more universal. New definitions include the term very tall building, and the requirements pertaining to this type of building are expanded, including those for automatic tank refill valves. For the facts you need on fire pumps, update to the new NFPA 20. (Softbound,198 pp., 2019)


    Interested in other editions of NFPA 20? Use the drop down menu above to select the edition year you need.

  • Table of Contents (2019 Current Edition)

    NFPA® 20 Standard for the Installation of Stationary Pumps for Fire Protection, 2019 Edition

    Chapter 1 Administration
    1.1 Scope.
    1.2 Purpose.
    1.3 Application.
    1.4 Retroactivity.
    1.5 Equivalency.
    1.6 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.
    Chapter 4 General Requirements
    4.1 Pumps.
    4.2 Approval Required.
    4.3 Pump Operation.
    4.4 Fire Pump Unit Performance.
    4.5 Certified Shop Test.
    4.6 Liquid Supplies.
    4.7 Pumps, Drivers, and Controllers.
    4.8 Self-Regulating Variable Speed Fire Pump Units.
    4.9 Multistage Multiport Pump.
    4.10 Centrifugal Fire Pump Capacities.
    4.11 Nameplate.
    4.12 Pressure Gauges.
    4.13 Circulation Relief Valve.
    4.14 Equipment Protection.
    4.15 Pipe and Fittings.
    4.16 Suction Pipe and Fittings.
    4.17 Discharge Pipe and Fittings.
    4.18 Valve Supervision.
    4.19 Protection of Piping Against Damage Due to Movement.
    4.20 Relief Valves for Centrifugal Pumps.
    4.21 Pumps Arranged in Series.
    4.22 Water Flow Test Devices.
    4.23 Steam Power Supply Dependability.
    4.24 Shop Tests.
    4.25 Pump Shaft Rotation.
    4.26 Other Signals.
    4.27 Pressure Maintenance (Jockey or Make-Up) Pumps.
    4.28 Summary of Centrifugal Fire Pump Data.
    4.29 Backflow Preventers and Check Valves.
    4.30 Earthquake Protection.
    4.31 Packaged Fire Pump Assemblies.
    4.32 Pressure Actuated Controller Pressure Sensing Lines.
    4.33 Break Tanks.
    4.34 Field Acceptance Test of Pump Units.
    4.35 Automated Inspection, Testing, and Distance Monitoring of Devices, Meters, and Equipment.
    Chapter 5 Fire Pumps for High-Rise Buildings
    5.1 General.
    5.2 Equipment Access.
    5.3 Water Supply Tanks.
    5.4 Fire Pump Test Arrangement.
    5.5 AuxiliaryAlternate Power.
    5.6 Very Tall Buildings.
    Chapter 6 Centrifugal Pumps
    6.1 General.
    6.2 Factory and Field Performance.
    6.3 Fittings.
    6.4 Foundation and Setting.
    6.5 Connection to Driver and Alignment.
    Chapter 7 Vertical Shaft Turbine–Type Pumps
    7.1 General.
    7.2 Water Supply.
    7.3 Pump.
    7.4 Installation.
    7.5 Driver.
    7.6 Operation and Maintenance.
    Chapter 8 Positive Displacement Pumps
    8.1 General.
    8.2 Foam Concentrate and Additive Pumps.
    8.3 Water Mist System Pumps.
    8.4 Water Mist Positive Displacement Pumping Units.
    8.5 Fittings.
    8.6 Pump Drivers.
    8.7 Controllers.
    8.8 Foundation and Setting.
    8.9 Driver Connection and Alignment.
    8.10 Flow Test Devices.
    Chapter 9 Electric Drive for Pumps
    9.1 General.
    9.2 Normal Power.
    9.3 Alternate Power.
    9.4 Voltage Drop.
    9.5 Motors.
    9.6 On-Site Standby Generator Systems.
    9.7 Junction Boxes.
    9.8 Listed Electrical Circuit Protective System to Controller Wiring.
    9.9 Raceway Terminations.
    Chapter 10 Electric-Drive Controllers and Accessories
    10.1 General.
    10.2 Location.
    10.3 Construction.
    10.4 Components.
    10.5 Starting and Control.
    10.6 Controllers Rated in Excess of 600 V.
    10.7 Limited Service Controllers.
    10.8 Power Transfer for Alternate Power Supply.
    10.9 Controllers for Additive Pump Motors.
    10.10 Controllers with Variable Speed Pressure Limiting Control or Variable Speed Suction Limiting Control.
    Chapter 11 Diesel Engine Drive
    11.1 General.
    11.2 Engines.
    11.3 Pump Room.
    11.4 Fuel Supply and Arrangement.
    11.5 Engine Exhaust.
    11.6 Diesel Engine Driver System Operation.
    Chapter 12 Engine Drive Controllers
    12.1 Application.
    12.2 Location.
    12.3 Construction.
    12.4 Components.
    12.5 Battery Recharging.
    12.6 Battery Chargers.
    12.7 Starting and Control.
    12.8 Air-Starting Engine Controllers.
    Chapter 13 Steam Turbine Drive
    13.1 General.
    13.2 Turbine.
    13.3 Installation.
    Chapter 14 Acceptance Testing, Performance, and Maintenance
    14.1 Hydrostatic Tests and Flushing.
    14.2 Field Acceptance Tests.
    14.3 Record Drawings, Test Reports, Manuals, Special Tools, and Spare Parts.
    14.4 Periodic Inspection, Testing, and Maintenance.
    14.5 Component Replacement.
    Annex A Explanatory Material
    Annex B Possible Causes of Pump Troubles
    Annex C Fire Pump Room Connectivity
    Annex D Material Extracted by NFPA 70, Article 695
    Annex E Informational References
  • How 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.


    • 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

    Apply NFPA 20, Standard for the Installation of Stationary Pumps for Fire Protection to ensure fire pump readiness and reliability.

    NFPA 20 is the industry's trusted source for comprehensive rules concerning stationary fire pump design, electrical and mechanical construction, acceptance testing, and operation. Installers and maintainers rely on this Standard for guidance on the full range of fire pumps -- including centrifugal, vertical shaft turbine-type, and positive displacement -- limited service controllers, and pumps arranged in series. Each successive edition of NFPA 20 builds on new research and experience in the field. Compliance helps users avoid malfunctions and make sure pumps can deliver on cue.

    • The 2016 edition of NFPA 20, Standard for the Installation of Stationary Pumps for Fire Protection provides first-time requirements for multistage multiport pumps that give designers and engineers more options. This edition also clarifies the requirements for fire pumps arranged in series with new information designers and contractors will need to know to install these types of pump arrangements correctly and ensure they can communicate as intended.
    • The 2013 edition of NFPA 20, Standard for the Installation of Stationary Pumps for Fire Protection responds to industry developments with added coverage of water mist positive displacement pumping units. New provisions addressing diesel engine shutdowns help you avoid equipment damage during testing operations. Other changes include criteria for flow meters to determine accuracy and the need for recalibration. A new rule mandates a flow test within 12 months prior to submission of working plans.
    • The 2010 edition of NFPA 20, Standard for the Installation of Stationary Pumps for Fire Protection includes an all-new Chapter 5 on high-rise buildings, with special provisions based on design practices, risk exposure, and fire fighter operations. Some of the most complex fire pump projects are in high-rises, and this edition of the Standard adds information that is vital to engineers, building owners, and AHJs.
    • The 2007 edition of NFPA 20, Standard for the Installation of Stationary Pumps for Fire Protection broadens coverage with added information on variable speed drive applications, new calculation methods for pressure relief valves and test header piping, and new applications for pressure reducing valves.


    Interested in other editions of NFPA 20? Use the drop down menu above to select the edition year you need.

  • Tabs (2019 Edition)

    All-new Tabs for NFPA 20 or the Stationary Fire Pumps and Standpipe Systems Handbook give you the advantage in finding answers and advice.

    Offered for the first time for NFPA 20, Tabs help code users find subject matter within the code, so you can maximize time as you work to ensure fire pump readiness and reliability. Easy to apply, self-adhesive Tabs provide smart navigational aids for chapters in the 2019 edition of NFPA 20, Standard for the Installation of Stationary Pumps for Fire Protection, or its companion, Stationary Fire Pumps and Standpipe Systems Handbook. Order now and put the latest fire pump requirements and expert advice at your fingertips! (Set of 48)

  • NFPA eForms

    NFPA® now makes available PDF versions of forms originally published in our NFPA Standards and handbooks. These eForms allow you to fill in the form fields electronically and then save, print, or share the file. NFPA eForms are intended for use on computers and are compatible with some mobile devices and apps. An internet connection is not needed to fill in and save the forms once they are downloaded to your device.

    NFPA eForms can be used with many PDF applications. Functions of the specific PDF application will work on the forms. For example, most PDF applications include a signature feature, allowing you to use your finger, stylus, or mouse to sign a document.

    Note that NFPA eForms are not compatible with the NFPA eLibrary app.

    Features of the NFPA eForms include:

    • Editable fields and checkboxes that allow you to enter content
    • Spell check
    • Easy file sharing (through email or Cloud storage)
    • Printing
    • Basic PDF markup tools, including highlighting and comment boxes
    • A "Learn More" button with explanatory comments to help you understand the requirements necessary to complete the form
    • Electronic signature
    • Searching form text
    • Table of contents with links to each form within the file
    • Dedicated placeholder to add company logo

    Additional features that may be available, depending on PDF software/app you choose:

    • Text message sharing of forms
    • Attaching files to PDF (including audio files)
    • Duplicating forms
    • Advanced tools, including inserting stamps and inserting images
    • Clearing all fields at once
    • Searching extended to include form fields
    • Extracting pages from the full file
    • Save “flattened” option that prevents further editing of content entered into form fields
    • Automatic saving when closing the file
    • Date fields with scroll bar selection

    Directions on how to use on a desktop or mobile device are provided on the first page of the PDF.

  • eForms Table of Contents

    eForms Table of Contents

    • Pressure Relief Valve Calculation Discharge to Atmosphere
    • Pump Test Header Size Calculation
    • Contractor’s Material and Test Certificate for Fire Pump Systems
    • Contractor’s Material and Test Certificate for Underground Piping
    • Centrifugal Fire Pump Acceptance Test Form
    • Pump Installation Plan Checklist
    • Plan Review Checklist
    • Water Storage Tanks Inspection
    • Private Fire Service Mains Hydrant Flow Test Report
    • Fire Pump Weekly Inspection
    • Fire Pump Weekly Operating Tests
    • Fire Pump Monthly Inspection, Testing, and Maintenance
    • Fire Pump Quarterly Inspection, Testing, and Maintenance
    • Fire Pump Semi-annual Inspection, Testing, and Maintenance
    • Fire Pump Annual Inspection, Testing, and Maintenance
    • Fire Pump Annual Performance Test
    • Possible Causes of Fire Pump Troubles
  • NFPA eBooks and PDF's

    NFPA® eBooks and PDFs can be downloaded immediately after purchase for quick, easy access. For the best reading experience, NFPA recommends using the free NFPA eReader application, NFPA eLibrary.

    Download now.

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    About the free NFPA eLibrary app
    The free NFPA eLibrary app gives you access to your NFPA eBooks and PDFs both online and offline. The app has tools to help you get your job done, search, highlight text, or add bookmarks. Sign-in with your NFPA username and password. Access is immediate

    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.

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