Already a subscriber? 
MADCAD.com Free Trial
Sign up for a 3 day free trial to explore the MADCAD.com interface, PLUS access the
2009 International Building Code to see how it all works.
If you like to setup a quick demo, let us know at support@madcad.com
or +1 800.798.9296 and we will be happy to schedule a webinar for you.
Security check
Please login to your personal account to use this feature.
Please login to your authorized staff account to use this feature.
Are you sure you want to empty the cart?
NFPA 33: Standard for Spray Application Using Flammable or Combustible Materials, 2021
- Important Notices and Disclaimers
- Additional Important Notices and Disclaimers
- Chapter 1 Administration [Go to Page]
- 1.1 Scope.
- 1.2 Purpose.
- 1.3 Application.
- 1.4 Retroactivity.
- 1.5 Equivalency.
- 1.6 Units and Formulas.
- 1.7 Enforcement. (Reserved)
- Chapter 2 Referenced Publications [Go to Page]
- 2.1 General.
- 2.2 NFPA Publications.
- 2.3 Other Publications.
- 2.4 References for Extracts in Mandatory Sections.
- Chapter 3 Definitions [Go to Page]
- 3.1 General.
- 3.2 NFPA Official Definitions.
- 3.3 General Definitions.
- Chapter 4 General Requirements [Go to Page]
- 4.1 Location of Spray Application Operations.
- 4.2 Separation.
- 4.3 Basements.
- 4.4 Fueled Vehicles.
- 4.5 Noncombustible Material.
- 4.6 Limited-Combustible Material.
- 4.7 Classification of LiquidsScheme.
- 4.8 Determination of Flash Point (FP).
- Chapter 5 Construction and Design of Spray Areas, Spray Rooms, and Spray Booths [Go to Page]
- 5.1 Spray Areas.
- 5.2 Spray Rooms.
- 5.3 Spray Booths.
- 5.4 Conveyor Openings.
- 5.5 Separation from Other Operations.
- 5.6 Illumination and Observation Panels.
- 5.7 Ventilation.
- Chapter 6 Electrical and Other Sources of Ignition [Go to Page]
- 6.1 Scope.
- 6.2 General.
- 6.3 Electrical Area Classification.
- 6.4 Electrical Devices in Spray Areas.
- 6.5 Electrical Devices in Areas Adjacent to or Connected to Spray Areas.
- 6.6 Illumination.
- 6.7 Static Electricity.
- 6.8 Flexible Power Cords.
- 6.9 Portable Electric Luminaires.
- 6.10 Movement of Powered Vehicles.
- Chapter 7 Ventilation [Go to Page]
- 7.1 General.
- 7.2 Performance Requirements.
- 7.3 Make-Up Air.
- 7.4 Routing of Exhaust Ducts.
- 7.5 Recirculation of Exhaust.
- 7.6 Heating of Recirculated Air.
- 7.7 Manifolding of Exhaust Ducts.
- 7.8 Materials of Construction.
- 7.9 Support of Exhaust Ducts.
- 7.10 Exhaust Duct Access Openings.
- 7.11 Exhaust Fans and Drives.
- 7.12 Drying Areas.
- Chapter 8 Storage, Handling, and Distribution of Flammable and Combustible Liquids [Go to Page]
- 8.1 General.
- 8.2 Storage in Process Areas.
- 8.3 MixingHandling and Use.
- 8.4 Distribution Systems — Piping.
- 8.5 Distribution Systems — General.
- Chapter 9 Protection [Go to Page]
- 9.1 General.
- 9.2 Ventilation Systems.
- 9.3 Coating Material Delivery Systems.
- 9.4 Conveyors.
- 9.5 Protection Systems.
- 9.6 Specific Process Protection.
- 9.7 Protection for Electrostatic Precipitator Scrubber.
- 9.8 Protection for High-Capacity Dry Paint Arrestor.
- Chapter 10 Operations and Maintenance [Go to Page]
- 10.1 General.
- 10.2 Inspection, Testing, and Maintenance.
- 10.3 Combustible Deposits.
- 10.4 High-Pressure Hose Lines.
- 10.5 Maintenance Procedures.
- 10.6 Waste Containers.
- 10.7 Clothing.
- 10.8 Cleaning Operations.
- 10.9 Solvent Distillation Units (Solvent Recyclers).
- 10.10 Spontaneous Ignition Hazards.
- 10.11 Chlorinated Solvents.
- 10.12 Smoking.
- 10.13 Hot Work.
- Chapter 11 Automated Electrostatic Spray Equipment [Go to Page]
- 11.1 Scope.
- 11.2 General.
- 11.3 Automated Electrostatic Systems.
- 11.4 Incendive Equipment.
- 11.5 Listing and Approval of Equipment.
- Chapter 12 Handheld Electrostatic Spray Equipment [Go to Page]
- 12.1 Scope.
- 12.2 General.
- 12.3 Handheld Apparatus.
- 12.4 Electrical Components.
- 12.5 Grounding.
- Chapter 13 Drying, Curing, and Fusion Processes [Go to Page]
- 13.1 General.
- 13.2 Spray Booths and Spray Rooms Used for Ambient Air Drying.
- 13.3 Spray Booths and Spray Rooms Used for Drying at Elevated Temperatures.
- 13.4 Liquefied-Petroleum-Gas, Compressed-Natural-Gas, or Hydrogen-Fueled Vehicles.
- 13.5 Radiant Drying Apparatus.
- 13.6 Flash-Off Areas.
- 13.7 Spray Booths or Spray Rooms Adjacent to or Connected to Rooms or Equipment Used for Drying, Curing, or Fusing.
- 13.8 Ventilation.
- 13.9 Warning Signs.
- Chapter 14 Miscellaneous Spray Operations [Go to Page]
- 14.1 Vehicle Undercoating and Body Lining.
- 14.2 Preparation Workstations.
- 14.3 Limited Finishing Workstations.
- Chapter 15 Powder Coating [Go to Page]
- 15.1 Scope.
- 15.2 General.
- 15.3 Applicability.
- 15.4 Location.
- 15.5 Protection.
- 15.6 Enclosures.
- 15.7 Electrical and Other Sources of Ignition.
- 15.8 Ventilation, Dust Collection, and Explosion Protection.
- 15.9 Drying, Curing, and Fusing Equipment.
- 15.10 Operation and Maintenance.
- 15.11 Automated Electrostatic Powder Spraying Equipment.
- 15.12 Handheld Electrostatic Powder Spraying Equipment.
- 15.13 Electrostatic Fluid Beds.
- 15.14 Hot Flocking.
- 15.15 Fluid Bed Coating.
- 15.16 Powder Coating Delivery and Circulation.
- 15.17 Powder Unloading, Bag Dumping Stations, and Pneumatic Conveying Systems.
- 15.18 Screening or Sieving Operations.
- 15.19 Storage and Handling.
- Chapter 16 Organic Peroxides and Plural Component Coatings [Go to Page]
- 16.1 Scope.
- 16.2 General.
- 16.3 Prevention of Contamination.
- 16.4 Storage of Organic Peroxides.
- 16.5 Handling of Organic Peroxides.
- 16.6 Mixing of Organic Peroxides with Promoters.
- 16.7 Smoking.
- 16.8 Trained Personnel.
- 16.9 Material Safety Data Sheets.
- Chapter 17 Styrene Cross-Linked Composites Manufacturing (Glass Fiber–Reinforced Plastics) [Go to Page]
- 17.1 Scope.
- 17.2 Resin Application Equipment.
- 17.3 Fire Protection.
- 17.4 Resin Storage.
- 17.5 Electrical and Other Hazards.
- 17.6 Ventilation.
- 17.7 Use and Handling.
- Chapter 18 Spray Application Operations in Membrane Enclosures [Go to Page]
- 18.1 Scope.
- 18.2 Limitations.
- 18.3 Membrane Material.
- 18.4 Protection.
- 18.5 Operations and Maintenance within Membrane EnclosuresPersonnel Inside the Enclosure.
- 18.6 Electrical and Other Sources of Ignition.
- 18.7 Ventilation.
- 18.8 Recordkeeping.
- 18.9 Storage and Handling of Ignitible (Flammable and Combustible) Liquids.
- 18.10 Facilities Compliance Permitting.
- Chapter 19 Training [Go to Page]
- 19.1 General.
- Annex A Explanatory Material
- Annex B Determining Lower Flammable Limits
- Annex C Determining Ventilation Airflow for Powder Application Systems
- Annex D Fire Record
- Annex E Informational References [Go to Page]
