NFPA 69: Standard on Explosion Prevention Systems
Current Edition: 2014 Next Edition: 2019

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NFPA 69:
2014 Edition
Item #: 6914
List: from $46.50
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What is NFPA 69?
NFPA 69: Document Scope
Covers the design, construction, operation, maintenance and testing of systems for the prevention of deflagration explosions by means of the following methods: (a) control of oxidant concentration; (b) control of combustible concentration; (c) explosion suppression; (d) deflagration pressure containment; (e) spark extinguishing systems.
This standard provides requirements for installing systems for the prevention and control of explosions in enclosures that contain flammable concentrations of flammable gases, vapors, mists, dusts, or hybrid mixtures. It is intended for use by design engineers, operating personnel, and AHJs. Official document scope
What does NFPA 69 address?
Provisions cover the following methods for explosion prevention: control of oxidant and combustible concentrations, predeflagration detection and control of ignition sources, explosion suppression, active isolation, passive isolation, deflagration pressure containment, and passive explosion suppression. Criteria are also provided for installation, inspection, and maintenance of explosion protection systems.Table Of Contents.
NFPA 69, 2014 Edition: Archived Revision Information
First Draft (previously Report on Proposals (ROP))
First Draft Report (PDF, 4 MB)
First Draft Meeting Notices (previously ROP Meeting Notices)
First Draft Meeting Agendas (previously ROP Meeting Agendas)
First Draft Meeting Minutes (previously ROP Meeting Minutes)
First Draft Ballot (previously ROP Ballot)
Ballot (PDF, 331 KB)
Ballot Form (PDF, 160 KB)
Public Input Responses (PDF, 71 KB)
Second Draft (previously Report on Comments (ROC))
Second Draft Meeting Notices (previously ROC Meeting Notices)
Second Draft Meeting Agendas (previously ROC Meeting Agendas)
Second Draft Meeting Minutes (previously ROC Meeting Minutes)
Second Draft Ballot (previously ROC Ballot)
Ballot Circulation (PDF, 122 KB)
Ballot Final (PDF, 217 KB)
Motions Committee Report (NITMAM)
Motions Committee Report (NITMAM)
Proposed NFPA documents will be presented for action at the applicable Annual (June) Association Technical Meeting only when proper Amending Motions (Notice of Intent to Make a Motion - NITMAM) have been certified by the Motions Committee of the Standards Council as a proper amending motion. Documents that receive no motions will not be presented at the meeting and instead will be forwarded directly to the NFPA Standards Council for action on issuance. More about the codes and standards making process including NITMAM.
No NITMAMs
Association Technical Meeting
Consent Standard not presented at Association Technical Meeting. Council issuance: 11/12/2013
Archived revision information
NFPA 69, 2014 Edition: Archived Revision Information
View archived proposals, comments and other records related to the development of this edition.
Read the archived revision information
View the document online (read only)

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