NFPA 52: Vehicular Gaseous Fuel Systems Code
Current Edition: 2013 Next Edition: 2016

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NFPA 52:
2013 Edition
Item #: 5213
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The next edition of this standard is now open for Public Comment.

What is NFPA 52?
NFPA 52: Document Scope
1.1* Scope. 1.1.1 This code shall apply to the design, installation, operation, and maintenance of compressed natural gas (CNG) and liquefied natural gas (LNG) engine fuel systems on vehicles of all types and for fueling vehicle (dispensing) systems and associated storage, including the following: (1) Original equipment manufacturers (OEMs) (2) Final-stage vehicle integrator/manufacturer (FSVIM) (3) Vehicle fueling (dispensing) systems 1.1.2 This code shall apply to the design, installation, operation, and maintenance of liquefied natural gas (LNG) engine fuel systems on vehicles of all types, to their associated fueling (dispensing) facilities, and to LNG to CNG facilities with LNG storage in ASME containers of 70,000 gal (265 m3) or less. 1.1.3 Vehicles and fuel supply containers complying with federal motor vehicle safety standards (FMVSSs) covering the installation of CNG fuel systems on vehicles and certified by the respective manufacturer as meeting these standards shall not be required to comply with Sections 4.4, 4.8, 4.9, and 4.10 and Chapter 6 (except Sections 6.9, 6.11, 6.12, 6.13, and 6.14). 1.1.4 This code shall apply to the design, installation, operation, and maintenance of compressed hydrogen (GH2) and liquefied compressed hydrogen (LH2). 1.1.5 This code shall include marine, highway, rail, off-road, and industrial vehicles. 1.1.6 Vehicles that are required to comply with applicable federal motor vehicle safety standards covering the installation of LNG fuel systems on vehicles and that are certified by the manufacturer as meeting these standards shall not be required to comply with Chapter 11, except 11.12.8. 1.1.7 This code shall apply to testing, service, and maintenance of GH2 engine fuel systems. 1.1.8 Vehicles that meet FMVSS requirements for hydrogen fueled vehicles shall not be subject to this document.
NFPA 52 safeguards people and installations with requirements that mitigate the fire and explosion hazards associated with compressed natural gas (CNG) and liquified natural gas (LNG) engine fuel systems and fueling facilities. Official document scope
What does NFPA 52 address?
Provisions cover the design, installation, operation, and maintenance of CNG and LNG fuel systems on all vehicle types--plus their respective compression, storage, and dispensing systems. This Code applies to all facilities with LNG storage in containers of 70,000 gallons or less. Table of Contents

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