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NFPA 306

Standard for the Control of Gas Hazards on Vessels

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Organization: NFPA
Publication Date: 1 January 2014
Status: inactive
Page Count: 26
scope:

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.

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.

This standard applies to cold work, application or removal of protective coatings, and work involving riveting, welding, burning, or similar fire-producing operations.

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.

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 herein described. This standard is also applicable to those spaces on vessels that might not contain sufficient oxygen to permit safe entry.

When requested, the Marine Chemist shall apply this standard to other spaces to ensure and promote safe working conditions.

This standard applies to land-side confined spaces, whether stationary or mobile; underground and aboveground storage tanks; other hollow structures throughout a shipyard such as tank trucks, railroad tank cars, power plant fuel tanks, storage tanks, dip and laundry tanks, vaults, tunnels; or other spaces that could contain dangerous atmospheres located within the boundaries of a shipyard or ship repair facility.

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.

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.

Purpose. The purpose of this standard is to provide minimum requirements and conditions for use in determining that a space or area on a vessel, or in a shipyard or ship repair facility, is safe for entry or work.

Document History

January 1, 2019
Standard for the Control of Gas Hazards on Vessels
This standard applies to vessels that carry or burn as fuel, flammable or combustible liquids, flammable compressed gases, flammable cryogenic liquids, chemicals in bulk, or other products capable of...
NFPA 306
January 1, 2014
Standard for the Control of Gas Hazards on Vessels
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...
January 1, 2009
Standard for the Control of Gas Hazards on Vessels
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, chemicals in bulk, or...
July 18, 2003
Standard for the Control of Gas Hazards on Vessels
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, chemicals in bulk, or...
August 2, 2001
Standard for the Control of Gas Hazards on Vessels
A description is not available for this item.
August 15, 1997
Standard for the Control of Gas Hazards on Vessels
A description is not available for this item.
January 1, 1993
Standard for the Control of Gas Hazards on Vessels
A description is not available for this item.
January 1, 1988
STANDARD FOR THE CONTROL OF GAS HAZARDS ON VESSELS
A description is not available for this item.
June 14, 1984
CONTROL OF GAS HAZARDS ON VESSELS
A description is not available for this item.

References

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