2019 NFPA 750 Standard - Current Edition

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  • Description

    Apply the 2019 edition of NFPA 750 to keep water mist fire protection systems up-to-code and ready for action.

    Stay informed about the design, manufacture, installation, and acceptance testing of water mist fire protection systems using NFPA 750, Standard on Water Mist Fire Protection Systems. This standard describes design, installation, maintenance, and testing requirements for water mist fire protection systems and clarifies applications that benefit from these systems.

    Research and technology for water mist fire protection systems are continually evolving, and so is NFPA 750.

    Water mist fire protection systems extinguish fires by displacing oxygen through water vapor, cooling the flames and reducing radiant heat. NFPA 750 details general requirements, along with provisions for all types of water mist systems, components, and hardware. To maintain consistency with industry practices and terminology, the 2019 edition updates terms and includes important clarifications that help you understand important concepts, such as:

    • Which devices can be used as automatic means
    • Which components can be used as provisions for cleaning
    • How to apply requirements for pressure-indicating devices used on a common manifold system
    • Expanded requirements for listed systems and inclusion of configurations allowed in current listed solutions
    • The proper location of the fire department connection (FDC) on a low-pressure water mist system

    New sections are added to help you:

    • Specify design, testing, and installation of preaction water mist systems
    • Prevent debris and contaminants from entering a water mist system by applying requirements for adding a strainer or filter after the FDC

    Designers, consumers, AHJs, installers, maintainers, and special experts -- including users from museums and historic preservation societies -- will find the guidance they need in NFPA 750. (Softbound, 90 pp., 2019)

     

    Interested in other editions of the NFPA 750? Use the drop down menu above to select the edition year you need.

  • Table of Contents (2019 Current Edition)

    NFPA® 750 Standard on Water Mist Fire Protection Systems, 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
    4.1 General.
    4.2 Safety.
    Chapter 5 Classification of Occupancies
    5.1 Classification of Occupancies for Water Mist Systems.
    5.2 Classification of Specific Applications for Water Mist Systems.
    Chapter 6 System Components and Hardware
    6.1 General.
    6.2 Gas and Water Containers.
    6.3 Piping and Tube.
    6.4 Fittings.
    6.5 Hangers/Supports.
    6.6 Nozzles.
    6.7 Valves.
    6.8 Strainers and Filters.
    6.9 Pump Systems.
    6.10 Detection, Actuation, Alarm, and Control Systems.
    6.11 Compatibility.
    Chapter 7 System Requirements
    7.1 General.
    7.2 System Applications.
    7.3 Nozzle Types.
    7.4 System Requirements.
    7.5 Media System Types.
    7.6 Additive Systems.
    Chapter 8 Installation Requirements
    8.1 General.
    8.2 Nozzles.
    8.3 Pipe and Tubing.
    8.4 Fittings.
    8.5 Gas and Water Storage Containers.
    8.6 Pumps and Pump Controllers.
    8.7 Strainers and Filters.
    8.8 Valves and Pressure Gauges.
    8.9 Electrical Systems.
    8.10 Test Connections.
    Chapter 9 Design Objectives and Fire Test Protocols
    9.1 General.
    9.2 Listing Evaluations.
    9.3 Performance Objectives.
    9.4 Application Parameters.
    9.5 Reliability.
    Chapter 10 Occupancy Protection Systems
    10.1 General.
    10.2 Light and Ordinary Hazard Occupancy Hazard Fire Control Approach.
    10.3 Occupancy Protection Systems for Residential Applications.
    Chapter 11 Calculations
    11.1 General.
    11.2 Darcy–Weisbach Calculation Method for Intermediate and High Pressure, Single Fluid, Single Liquid Phase Systems.
    11.3 Hazen–Williams Calculation Method (Low Pressure Systems).
    11.4 Calculation Procedures for Propellant Gas or Atomizing Media.
    Chapter 12 Water Supplies and Atomizing Media
    12.1 General.
    12.2 Quantity.
    12.3 Duration.
    12.4 Reserve Supplies.
    12.5 Water Supplies.
    12.6 Atomizing Media for Twin-Fluid Systems.
    12.7 Pressure Gauges.
    Chapter 13 Plans and Documentation
    13.1 Working Plans.
    13.2 Hydraulic Calculation Documentation.
    13.3 Pneumatic Calculation Documentation.
    13.4 Detection, Actuation, and Control Systems Documentation.
    Chapter 14 System Acceptance
    14.1 Approval of Water Mist Systems.
    14.2 Acceptance Requirements.
    Chapter 15 System Inspection, Testing, and Maintenance
    15.1 General.
    Chapter 16 Marine Systems
    16.1 General.
    16.2 Sprinkler Equivalent Systems.
    16.3 Flammable Liquids — Total Area Protection.
    16.4 Human Factors.
    16.5 Requirements for Water Mist Systems on Combatant Vessels.
    Annex A Explanatory Material
    Annex B Research Summary
    Annex C Examples of Fire Test Protocols
    Annex D Reliability
    Annex E Informational References
  • Prior Editions

    Help keep water mist fire protection systems up-to-code with the 2015 edition of NFPA 750.

    Stay up-to-code informed about the design, manufacture, installation, and acceptance testing of water mist fire protection systems using the 2015 NFPA 750, Standard on Water Mist Fire Protection Systems. This Standard defines the difference between water mist systems and sprinkler systems, as well as clarifies the purpose and various types of applications that benefit from water mist systems.

    Research and technology for water mist fire protection systems are continually growing.

    Water mist fire protection systems extinguish fires by displacing oxygen through water vapor, cooling the flames and reducing radiant heat. The 2015 edition of NFPA 750 defines various occupancy classifications that are critical to analyze when designing a water mist fire protection system. In this edition:

    • New Chapter 5: Classification of Occupancies and new Chapter 10: Occupancy Protection Systems address the dynamics of occupancy classification in designing a water mist system. These new chapters are essential for confident system design.
    • In another significant change, the ITM sections for water mist systems (other than those installed in one-and two-family dwellings) were removed and now reference the 2014 edition of NFPA 25, Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems.

    NFPA 750 details general requirements, along with provisions for all types of water mist systems, components, and hardware.

    Designers, consumers, AHJs, installers, maintainers, and special experts -- including the various end users from museums and historic preservation societies -- will find more guidance in this important edition of NFPA 750. (Softbound, 88 pp., 2015)

     

    Interested in other editions of the NFPA 750? Use the drop down menu above to select the edition year you need.

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