NFPA 306: Standard for the Control of Gas Hazards on Vessels
Current Edition: 2014 Next Edition: 2019

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NFPA 306:
2014 Edition
Item #: 30614
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What is NFPA 306?
NFPA 306: Document Scope
1.1 Scope. 1.1.1 This standard applies to vessels that carry or burn as fuel, flammable or combustible liquids. It also applies to vessels that carry or have carried flammable compressed gases, flammable cryogenic liquids, chemicals in bulk, or other products capable of creating a hazardous condition. 1.1.2 This standard describes the conditions required before a space can be entered or work can be started, continued, or started and continued on any vessel under construction, alteration, or repair, or on any vessel awaiting shipbreaking. 1.1.3 This standard applies to cold work, application or removal of protective coatings, and work involving riveting, welding, burning, or similar fire-producing operations. 1.1.4 This standard applies to vessels while in the United States, its territories and possessions, both within and outside of yards for ship construction, ship alteration, ship repair, or shipbreaking. 1.1.5 This standard applies specifically to those spaces on vessels that are subject to concentrations of combustible, flammable, and toxic liquids, vapors, gases, and chemicals as hereinafter described. This standard is also applicable to those spaces on vessels that might not contain sufficient oxygen to permit safe entry. 1.1.6 This standard applies to land-side confined spaces, whether stationary or mobile, or other dangerous atmospheres located within the boundaries of a shipyard or ship repair facility as defined by 29 CFR 1915.11. 1.1.7 This standard applies to Marine Chemists performing activities related to inspection and certification procedures described in this standard and consulting services connected therewith on board any vessel. 1.1.8* This standard does not apply to physical hazards of tanks and confined or enclosed spaces on a vessel or vessel sections, or in the shipyard. For the purposes of this standard, physical hazards do not include fire and explosion hazards.
This standard provides requirements and conditions for use in determining that spaces on vessels and within shipyards that are subject to concentrations of combustible, flammable, or toxic liquids, vapors, gases, chemicals are safe for entry or work, as documented by a Marine Chemist's Certificate. Official document scope
What does NFPA 306 address?
Criteria apply to confined space entry and work activities including application or removal of preservative coatings and hot work operations including:, riveting, cutting, welding, burning, and other fire-producing operations. Topics covered include what vessels are required to have a Marine Chemist's Certificate, how such certificates are issued and maintained, standard safety designations and conditions required, what to expect during an inspection, and how prepare the vessel for inspection and survey by a NFPA Certificated Marine Chemist. Table of Contents

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