NFPA 33: Standard for Spray Application Using Flammable or Combustible Materials, 2007 Edition

by National Fire Protection Association
Reduce fire and explosion hazards for workers who spray volatile substances with NFPA 33.

Apply NFPA 33 and boost fire safety on the job with the latest rules for the construction of spray rooms and spray booths, along with their electrical systems, ventilation, fire protection systems, handling of flammable liquids, operations, and maintenance.

Revisions in the 2007 edition that improve fire prevention and fire protection include:

  • Clearer definition of what is and is not considered to be a spray area
  • Recognition of the NEC zone system of classifying hazardous locations for Class II (dust/powder) locations
  • Allowance of fire retardant combustible construction materials for ductwork connected to powder coating spray booths
  • Better correlation with NFPA 30 rules concerning maximum quantities of flammable and combustible liquids
  • New rules for protection of spray area exhaust ducts
  • Guidance for designating some highly resistive work pieces as grounded, if they meet specified criteria
  • More definitive requirements for drying, curing, fusion apparatus used in limited finishing workstations

Don't take chances around flammable and combustible materials. Put industry best practices to work for you with the 2007 NFPA 33.

(Softbound, 43 pp., 2007)

NFPA 33 Standard for Spray Application Using Flammable or Combustible Materials 2007 Edition Table of Contents

Chapter 1 Administration
Chapter 2 Referenced Publications                                Chapter 3 Definitions
Chapter 4 Location of Spray Application Operations         Chapter 5 Construction and Design of Spray Areas, Spray Rooms, and Spray Booths                                            Chapter 6 Electrical and Other Sources of Ignition          Chapter 7 Ventilation                                                         Chapter 8 Storage, Handling, and Distribution of Flammable and Combustible Liquids                                                     Chapter 9 Protection                                                      Chapter 10 Operations and Maintenance                             Chapter 11 Automated Electrostatic Spray Equipment              Chapter 12 Handheld Electrostatic Spray Equipment             Chapter 13 Drying, Curing, and Fusion Processes             Chapter 14 Miscellaneous Spray Operations                         Chapter 15 Powder Coating                                                     Chapter 16 Organic Peroxides and Plural Component Coatings                                                                              Chapter 17 Styrene Cross-Linked Composites Manufacturing (Glass FiberReinforced Plastics)                                              Chapter 18 Training                                                               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                                           Formal Interpretations                                                             Index





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