2020 NFPA 2 Code - Current Edition
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  • Description

    Meet the modern challenges of safeguarding hydrogen in all occupancies with NFPA 2, 2020 edition.

    From burns, fire, and explosions to the occurrence of oxygen-deficient environments, there are significant dangers inherent to the use of hydrogen. NFPA 2, Hydrogen Technologies Code, provides fundamental safety provisions for the generation, installation, storage, piping, use, and handling of hydrogen in compressed gas (GH2) form or cryogenic liquid (LH2) form.

    The code is a safety essential for officials reviewing permits and inspecting occupancies containing hydrogen as well as for designers, engineers, installers, contractors, and facility managers responsible for applications involving:

    • Storage of hydrogen in bulk and non-bulk quantities
    • Use of hydrogen in laboratories
    • Dispensing and fueling of hydrogen for vehicles and vehicle servicing and repair
    • Systems for fuel cell power and generation, such as backup power systems using polymer electrolyte membrane (PEM) fuel cells and forklifts
    • Applications involving combustion processes and special atmospheres, including electrolytic production of hydrogen

    The 2020 edition offers the most current hydrogen requirements.

    This comprehensive resource covers everything from hydrogen industry terminologies and general fire safety practices to deflagration protection, explosion protection, and combustion applications, along with extensive supportive Annex information.

    The 2020 edition includes several updates to reflect the latest in hydrogen fire and life safety, including:

    • Changes to Chapter 10, GH2 Vehicle Fueling Facilities, addressing fueling protocols, authorized fueling, signage, and vehicle to station communication protocols
    • Restructuring of Chapter 10 to maintain clarity for the user
    • Changes to Chapter 18, Repair Garage, which has been limited to apply only to LH2 applications in an effort to more easily allow repair garages to accept hydrogen as an alternative motor fuel; while still properly addressing the additional hazards the repair and servicing of hydrogen vehicles can present with the current levels of protection already required

    Help keep occupancies safe from hydrogen hazards by referencing the latest code.

    NFPA 2, Hydrogen Technologies Code, is a valuable resource for enforcing officials and anyone who plays a role in safety around hydrogen applications. Protect your personnel and facilities by ordering your copy of the 2020 edition.

    Are you interested in other editions of NFPA 2? Use the drop-down menu above to select the edition year you need.

  • Table of Contents (2020 Current Edition)

    NFPA® 2 Hydrogen Technologies Code, 2020 Edition

    Chapter 1 Administration
    1.1 Scope.
    1.2 Purpose.
    1.3 Application.
    1.4 Retroactivity.
    1.5 Equivalency.
    1.6 Units and Formulas.
    1.7 Enforcement.
    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 Definitions for Performance-Based Designs.
    Chapter 4 General Fire Safety Requirements
    4.1 Application.
    4.2 Goals and Objectives.
    4.3 Assumptions.
    4.4 Compliance Options.
    4.5 Permits.
    4.6 Emergency Plan.
    4.7 Facility Closure.
    4.8 Out-of-Service Stationary Bulk Gas Systems.
    4.9 Management Plan and Hazardous Materials Documentation.
    4.10 Release of GH2 or LH2.
    4.11 Personnel Training.
    4.12 Ignition Source Controls.
    4.13 Signs.
    4.14 Protection From Vehicular Damage.
    4.15 Building Construction Materials.
    Chapter 5 Performance-Based Option
    5.1 General.
    5.2 Performance Criteria.
    5.3 Retained Prescriptive Requirements.
    5.4 Design Scenarios.
    5.5 Evaluation of Proposed Designs.
    5.6 Safety Factors.
    5.7 Documentation Requirements.
    Chapter 6 General Hydrogen Requirements
    6.1 General.
    6.2 Design and Construction.
    6.3 Control Areas.
    6.4 Occupancy Classification.
    6.5 Piping.
    6.6 Gas Rooms.
    6.7 Weather Protection.
    6.8 Electrical Equipment.
    6.9 Employee Alarm System.
    6.10 Explosion Control.
    6.11 Fire Protection Systems.
    6.12 Fire Alarm Systems.
    6.13 GH2 Detection Systems.
    6.14 Lighting.
    6.15 Spill Control, Drainage, and Secondary Containment.
    6.16 Shelving.
    6.17 Vent Pipe Termination.
    6.18 Ventilation.
    6.19 Gas Cabinets.
    6.20 Exhausted Enclosures.
    6.21 Source Valve.
    6.22 Cleaning and Purging of Piping Systems.
    Chapter 7 Gaseous Hydrogen
    7.1 General.
    7.2 Non-Bulk GH2.
    7.3 Bulk GH2 Systems.
    Chapter 8 Liquefied Hydrogen
    8.1 General.
    8.2 Non-Bulk LH2.
    8.3 Bulk LH2 Systems.
    Chapter 9 Explosion Protection (Reserved)
    Chapter 10 GH2 Vehicle Fueling Facilities
    10.1 Scope.
    10.2 General.
    10.3 Design.
    10.4 Installation.
    10.5 Dispensing.
    10.6 Maintenance.
    10.7 Vehicle Fueling Appliances.
    10.8 Outdoor Nonpublic Residential Fueling (RFF-GH2).
    10.9 Outdoor Nonpublic Refueling from Transport Vehicles.
    Chapter 11 LH2 Fueling Facilities
    11.1 Scope.
    11.2 General.
    11.3 Dispensing.
    11.4 Storage.
    Chapter 12 Hydrogen Fuel Cell Power Systems
    12.1 Scope.
    12.2 General.
    12.3 Specific Requirements.
    12.4 Storage.
    Chapter 13 Hydrogen Generation Systems
    13.1 Scope.
    13.2 General.
    13.3 Use.
    13.4 Storage.
    Chapter 14 Combustion Applications
    14.1 Scope.
    14.2 General. (Reserved)
    14.3 Use.
    Chapter 15 Special Atmosphere Applications
    15.1 Scope.
    15.2 General. (Reserved)
    15.3 Use.
    15.4 Storage.
    Chapter 16 Laboratory Operations
    16.1 Scope.
    16.2 General.
    16.3 Use.
    16.4 Storage.
    Chapter 17 Parking Garages
    17.1 Scope.
    17.2 Application.
    17.3 Parking Garages.
    Chapter 18 Repair Garage
    18.1 Scope.
    18.2 Applicability.
    18.3 General.
    18.4 Light-Duty Hydrogen Motor Vehicle Repair Garages. (Reserved)
    18.5 Hydrogen-Powered Industrial Truck Repair Garages.
    Annex A Explanatory Material
    Annex B Administration
    Annex C Sample Ordinance Adopting NFPA 2
    Annex D Physical Properties of Hydrogen
    Annex E Determination of Separation Distances for Bulk Gaseous Hydrogen Systems
    Annex F Example of Class C Furnace Operational and Maintenance Checklist
    Annex G OSHA Requirements for Hydrogen Systems
    Annex H Information on Explosion Hazards and Protection in Laboratories
    Annex I Explanation of Methodology Utilized to Develop Separation Distances
    Annex J Safety Tips for Compressed Gas Users
    Annex K Design Standard References
    Annex L Hydrogen Explosion Control
    Annex M Hydrogen Detection Systems
    Annex N Informational References
  • Prior Editions

    2016 Edition

    Access a one-stop source for the safe storage of hydrogen in the new edition of NFPA 2, Hydrogen Technologies Code.

    The 2016 edition of NFPA 2, Hydrogen Technologies Code consolidates the latest fire and life safety requirements applicable to the generation, installation, storage, piping, use, and handling of hydrogen in compressed gas form or cryogenic liquid form.

    This single comprehensive resource benefits enforcing officials when reviewing permits for occupancies storing, handling or using hydrogen or when inspecting existing facilities. It's also essential for designers, engineers, installers, contractors, facility managers, and anyone responsible for safety around applications involving:

    • Storage of hydrogen in bulk and non-bulk quantities
    • Use of hydrogen in laboratories
    • Dispensing and fueling of hydrogen for vehicles, along with vehicle repair
    • Systems for fuel cell power and generation, such as backup power systems using polymer electrolyte membrane (PEM) fuel cells and forklifts
    • Applications involving combustion processes and special atmospheres, including electrolytic production of hydrogen

    Major changes in the 2016 edition include:

    • New section on hydrogen equipment enclosures to enable the safe use of these systems
    • Updated fueling chapter with new requirements for hydrogen fuel cell vehicle repair garages
    • Updated material extracted from thema 2016 edition of NFPA 55, Compressed Gases and Cryogenic Fluids Code on hydrogen storage, which divides requirements clearly into those for different size systems

    Annexes include a sample ordinance adopting NFPA 2, an example of Class C furnace operational and maintenance checklist, and supplementary information on explosion hazards and protection in laboratories. (Softbound, 207 pp., 2016)

     

    Interested in other editions of NFPA 2? Use the drop down menu above to select the edition year you need.

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