NFPA 2 2023

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NFPA 2: Hydrogen Technologies Code

Published By	Publication Date	Number of Pages
NFPA	2023

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Category: NFPA

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Description

Get a Handle on Hydrogen. Help Safeguard Against Accidents. Hydrogen has quickly become a popular fuel source, but due to its unique properties and applications, it must be handled and stored properly to mitigate its potential for burning, fire, and explosion. NFPA® 2, Hydrogen Technologies Code, is the quintessential resource for building inspectors, engineers, installers, facility managers, and anyone else who deals with hydrogen, as it offers safeguards for its use in both gas and liquid forms. This comprehensive resource on hydrogen covers everything from proper storage, laboratory use, and vehicle servicing and repair to deflagration protection, explosion protection, and its combustion applications. The 2023 edition features several updates, including: New requirements for the appliance access and installation of home fueling appliances (HFAs) Updated requirements for the design and construction as it applies to the piping and hoses, vent systems, and buffer capacity for outdoor nonpublic HFAs Revisions to clarify the difference between on-demand mobile fueling and outdoor nonpublic mobile fleet fueling Definitions for mobile fueling vehicle and mobile fueling trailer have been added Additional cargo transport unloading requirements have been added A new Chapter 19 for hydrogen-powered industrial trucks (HPITs) that applies to the design, construction, and use of HPITs General improvements including added historical references, new annexes, and guidelines for repairing leaks in hydrogen systems

PDF Catalog

PDF Pages	PDF Title
2	Important Notices and Disclaimers
3	Additional Important Notices and Disclaimers
9	Chapter 1 Administration 1.1 Scope. 1.2 Purpose. 1.3 Application. 1.4 Retroactivity. 1.5 Equivalency. 1.6 Units and Formulas.
10	1.7 Enforcement. Chapter 2 Referenced Publications 2.1 General. 2.2 NFPA Publications. 2.3 Other Publications.
11	2.4 References for Extracts in Mandatory Sections.
12	Chapter 3 Definitions 3.1 General. 3.2 NFPA Official Definitions. 3.3 General Definitions.
22	3.4 Definitions for Performance-Based Designs.
23	Chapter 4 General Fire Safety Requirements 4.1 Application. 4.2 Goals and Objectives.
24	4.3 Assumptions.
25	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.
26	4.10 Release of GH2 or LH2. 4.11 Personnel Training.
27	4.12 Ignition Source Controls. 4.13 Signs. 4.14 Protection From Vehicular Damage.
28	4.15 Building Construction Materials. Chapter 5 Performance-Based Option 5.1 General.
29	5.2 Performance Criteria.
30	5.3 Retained Prescriptive Requirements. 5.4 Design Scenarios.
31	5.5 Evaluation of Proposed Designs.
32	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.
33	6.4 Occupancy Classification. 6.5 Piping.
34	6.6 Gas Rooms. 6.7 Weather Protection.
35	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 PipeSystem Termination.
36	6.18 Ventilation. 6.19 Gas Cabinets. 6.20 Exhausted Enclosures.
37	6.21 Source Valve. 6.22 Cleaning and Purging, Purging, and Repairing of Piping Systems. Chapter 7 Gaseous Hydrogen 7.1 General.
45	7.2 Non-Bulk GH2.
47	7.3 Bulk GH2 Systems.
53	Chapter 8 Liquefied Hydrogen 8.1 General.
57	8.2 Non-Bulk LH2.
60	8.3 Bulk LH2 Systems.
68	Chapter 9 Explosion Protection (Reserved) Chapter 10 GH2 Vehicle Fueling Facilities 10.1 Scope. 10.2 General.
69	10.3 Design.
71	10.4 Installation.
72	10.5 Dispensing.
77	10.6 Maintenance. 10.7 Vehicle Fueling AppliancesCompact Hydrogen Fueling System (cHFS).
78	10.8 Outdoor Nonpublic ResidentialHome Fueling (RFF-GH2Appliances (HFA).
79	10.9 Outdoor Nonpublic Refueling from Transport VehiclesMobile Fleet Fueling. 10.10 On-Demand Mobile Fueling.
80	Chapter 11 LH2 Fueling Facilities 11.1 Scope.
81	11.2 General.
83	11.3 Dispensing.
87	11.4 Storage. Chapter 12 Hydrogen Fuel Cell Power Systems 12.1 Scope. 12.2 General. 12.3 Specific Requirements.
88	12.4 Storage. Chapter 13 Hydrogen Generation Systems 13.1 Scope. 13.2 General.
89	13.3 UseElectrolyzers. 13.4 Catalytic -Reforming–-Based Hydrogen Generation Systems. 13.5 Gasifiers.
91	13.6 Storage. Chapter 14 Combustion Applications 14.1 Scope. 14.2 General. (Reserved) 14.3 Use.
92	Chapter 15 Special Atmosphere Applications 15.1 Scope. 15.2 General. (Reserved) 15.3 Use.
105	15.4 Storage. Chapter 16 Laboratory Operations 16.1 Scope. 16.2 General.
106	16.3 Use.
112	16.4 Storage. Chapter 17 Parking Garages 17.1 Scope. 17.2 Application. 17.3 Parking Garages.
113	Chapter 18 Repair Garage 18.1 Scope. 18.2 Applicability. 18.3 General.
115	18.4 Light-Duty Hydrogen Motor Vehicle Repair Garages. (Reserved) 18.5 Heavy-Duty Hydrogen Motor Vehicle Repair Garages. 18.6 Hydrogen-Powered Industrial Truck Repair Garages.
116	Chapter 19 Hydrogen-Powered Industrial Trucks (HPITs) 19.1 Scope. 19.2 General. 19.3 Indoor Use. 19.4 Fueling. 19.5 Maintenance, Service, and Repairs. Annex A Explanatory Material
167	Annex B Administration
173	Annex C Sample Ordinance Adopting NFPA 2
174	Annex D Physical Properties of Hydrogen Annex E Explanation of Methodology Utilized to Develop Separation Distances
199	Annex F Example of Class C Furnace Operational and Maintenance Checklist
200	Annex G OSHA Requirements for Hydrogen Systems
202	Annex H Information on Explosion Hazards and Protection in Laboratories
206	Annex I Safety Tips for Compressed Gas Users
208	Annex J Design Standard References Annex K Hydrogen Explosion Control
214	Annex L Hydrogen Detection Systems
215	Annex M Guidelines and Practices for Repairing Leaks in Hydrogen Systems
216	Annex N Explanation of Methodology Utilized to Develop Liquid Hydrogen Separation Distances
219	Annex O Informational References