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NFPA 2 NFPA’s Comprehensive Hydrogen Technologies Code
National Hydrogen Association March 31, 2008
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Presenter Carl H. Rivkin, P.E. National Renewable Energy Laboratory
Project Leader for Hydrogen Codes and Standards
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NFPA 2 Comprehensive hydrogen technologies code
Committee Scope: This committee shall have primary responsibility for documents on the storage, use, transfer, and generation of hydrogen. The use of hydrogen shall include, stationary, portable, and vehicular applications
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NFPA 2 Will be composed primarily of material extracted from existing NFPA documents New material must be submitted to source document and extracted into NFPA 2 NFPA 2 has authority to fill gaps
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Timeline 2005 Hydrogen Technology Technical (HYD) Committee approved
2006 First HYD Meeting 2008 First draft of NFPA 2 available for public proposals 2010 NFPA 2 issued
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Template Meant to compliment the ICC codes
Provide a level of detail between primary adopted Building and Fire codes and component level standards Requirements in NFPA must not conflict with I Codes
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Content Chapter 1 Administration Chapter 2 Referenced Publications
Chapter 3 Definitions Chapter 4 Performance-Based Option Chapter 5 General Requirements
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Content Fundamentals chapter 5 sets base requirements
Use basic concepts such as threshold storage amounts and fire control area Structure and terminology consistent with building and fire codes Hydrogen generation equipment covered
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Content
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Content Chapter 6 General Gaseous Hydrogen (GH2)Requirements for Vehicular Applications Chapter 7 Gaseous Hydrogen Compression, Gas Processing, Storage, and Dispensing Systems for Vehicular Applications
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Content Chapter 8 Liquefied Hydrogen (LH2)Fueling Facilities for Vehicular Applications Mixed fuel installations will be integrated across these vehicular requirements
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Content Chapter 9 Stationary Fuel Cell Power Systems
General Equipment Configuration for Fuel Cell Power Systems Siting and Interconnections for Fuel Cell Power Systems
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Content Fuel Supplies and Storage Arrangements for Fuel Cell Power Systems Ventilation and Exhaust for Fuel Cell Power Systems Fire Protection for Fuel Cell Power Systems Fuel Cell Power Systems 50kW or less
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Content Chapter 11 Combustion processes (furnaces and ovens)
Chapter 12 Special Atmospheres Chapter 13 Laboratory operations/research Annex Material
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Siting Separation distance tables developed in 1960s
No documentation of separation distance basis Tables from 1974 edition of NFPA 50A and 50B became Table H-2 and H-4 in OSHA regulations
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H-2
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H-4
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Siting Task Group created with the inception of NFPA 2 project to validate or create new requirements Process has moved forward effectively Comment containing new gaseous hydrogen separation tables to be submitted to NFPA 55 and extracted back into NFPA 2
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Siting Next set of revisions would address liquefied hydrogen storage separation distance Dispenser separation distances under scope of NFPA 52 would also be candidate for analysis
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