Standard: NFPA 33
STANDARD FOR SPRAY APPLICATION USING FLAMMABLE OR COMBUSTIBLE MATERIALS
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This standard shall apply to the spray application of flammable or combustible materials, as herein defined, either continuously or intermittently by any of the following methods:
(1) Compressed air atomization
(2) Airless or hydraulic atomization
(3) Electrostatic application methods
(4) Other means of atomized application
This standard shall also apply to the application of flammable or combustible materials, as herein defined, either continuously or intermittently by any of the following methods:
(1) Fluidized bed application methods
(2) Electrostatic fluidized bed application methods
(3) Other means of fluidized application
This standard shall also apply to spray application of water-borne, water-based, and water-reducible materials that contain flammable or combustible liquids or that produce combustible deposits or residues.
This standard shall not apply to spray application processes or operations that are conducted outdoors.
This standard shall not apply to the use of small portable spraying equipment that is not used repeatedly in the same location.
This standard shall not apply to the use of aerosol products in containers up to and including 710 mL (24 ounces) capacity that are not used repeatedly in the same location.
This standard shall not apply to the spray application of noncombustible materials.
This standard shall not apply to the hazards of toxicity or industrial health and hygiene
The purpose of this standard shall be to provide requirements for fire safety for spray application of flammable or combustible materials. This standard anticipates conditions of average use. Where unusual industrial processes are involved, the authority having jurisdiction shall be permitted to require additional safeguards or modifications to the requirements of this standard, provided equivalent safety is achieved.
The purpose of this standard shall be to address only the fire and explosion hazards of spray application processes and operations. This standard shall not address toxicity and shall not address industrial health and hygiene. From the standpoint of personnel safety, it shall be recognized that the materials used in these processes could be present in concentrations that present a health hazard, even though these concentrations do not present a fire or explosion hazard.
|Organization:||National Fire Protection Association|
|Document Number:||nfpa 33|
|Most Recent Revision:||NO|
|Document #||Change Type||Update Date||Revision||Status|
|NFPA 33||Change Type: COMPLETE REVISION||Update Date: 2018-01-01||Revision: 18||Status: ACTV|
|NFPA 33||Change Type: TIA1||Revision: 16||Status: INAC|
|NFPA 33||Change Type: TIA1||Update Date: 2015-08-18||Revision: 16||Status: INAC|
|NFPA 33||Change Type: STCH||Update Date: 2011-01-01||Revision: 11||Status: INAC|
|NFPA 33||Change Type: ERTA||Revision: 07||Status: INAC|
|NFPA 33||Change Type: ERTA||Update Date: 2007-04-12||Revision: 07||Status: INAC|
|NFPA 33||Change Type:||Update Date: 2007-01-01||Revision: 07||Status: INAC|
|NFPA 33||Change Type:||Update Date: 2003-07-18||Revision: 03||Status: INAC|
|NFPA 33||Change Type: ERTA||Update Date: 2000-08-18||Revision: 00||Status: INAC|
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