NFPA 34: Standard for Dipping and Coating Processes Using Flammable or Combustible Liquids

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Reduce fire and explosion hazards during dipping coating and printing operations to safeguard workers and property with the 2015 NFPA 34.

Vital to fire safety in many industrial facilities, NFPA 34: Standard for Dipping, Coating, and Printing Processes Using Flammable or Combustible Liquids addresses dipping, roll coating, flow coating, printing, and similar processes using flammable or combustible liquids.

Parallel to the requirements in NFPA 33 for spray application, this document provides requirements for:

  • Proper location, design, and construction of dipping and coating equipment
  • Installation of electrical equipment and control of ignition sources
  • Ventilation
  • Handling of flammable liquids
  • Fire protection
  • Operations and maintenance

Major changes in the 2015 edition help you achieve better fire safety and compliance:

  • Water mist fire protection systems are now an approved method of fire protection, adding greater flexibility for designers and engineers.
  • Modified terminology correlates with NFPA 70®: National Electrical Code® (NEC®), and revised graphics help you understand electrical classification requirements.
  • Clarified exhaust discharge requirements are consistent with NFPA 33: Standard for Spray Application Using Flammable or Combustible Materials.
  • Clarified requirements concerning recirculation and added a new definition of recirculation filter.
  • Modified flammable storage requirements to be consistent with the 2015 NFPA 30: Flammable and Combustible Liquids Code and NFPA 33.

Prevent fire and explosion hazards in industrial facilities with the 2015 NFPA 34. (Softbound, 31 pp., 2015)

NFPA® 34 Standard for Dipping, Coating, and Printing Processes Using Flammable or Combustible Liquids, 2015 Edition

Chapter 1 Administration
1.1 Scope
1.2 Purpose
1.3 Application
1.4 Retroactivity
1.5 Equivalency
1.6 Units and Formulas
1.7 Enforcement
Chapter 2 Referenced Publications
2.1 General
2.2 NFPA Publications
2.3 Other Publications
2.4 References for Extracts in Mandatory Sections
Chapter 3 Definitions
3.1 General
3.2 NFPA Official Definitions
3.3 General Definitions
Chapter 4 Location of Dipping, Coating, and Printing Processes
4.1 General
4.2 Separation
4.3 Basements
4.4 Access to Means of Egress
Chapter 5 Design and Construction of Dipping, Coating, and Printing Equipment and Systems
5.1 Scope
5.2 General Requirements
5.3 Height Above Floor
5.4 Overflow Prevention
5.5 Liquid Level
5.6 Overflow Pipes
5.7 Bottom Drains
5.8 Salvage Tanks
5.9 Conveyor Systems
5.10 Control of Liquid Temperature
Chapter 6 Electrical and Other Sources of Ignition
6.1 Scope
6.2 General
6.3 Electrical Area Classification — Class I Locations
6.4 Areas Adjacent to Open Processes
6.5 Areas Adjacent to Enclosed Dipping and Coating Processes
6.6 Equipment and Containers in Ventilated Areas
6.7 Luminaires
6.8 Static Electric Discharges
Chapter 7 Ventilation
7.1 Scope
7.2 General
7.3 Performance Requirements
7.4 Make-Up Air
7.5 Routing of Exhaust Ducts
7.6 Recirculation of Exhaust
7.7 Materials of Construction
7.8 Support of Exhaust Ducts
7.9 Exhaust Duct Cross-Section
7.10 Exhaust Duct Access
7.11 Exhaust Fans and Drives
7.12 Drying Areas
Chapter 8 Storage, Handling, and Distribution of Flammable and Combustible Liquids
8.1 Scope
8.2 General
8.3 Storage in Process Areas
8.4 Transporting Liquids
8.5 Handling Liquids at Point of Final Use
8.6 Liquid Piping Systems
Chapter 9 Protection
9.1 Scope
9.2 Automatic Fire Protection Systems
9.3 Ventilation Systems
9.4 Notification and Interlocks
9.5 Automatic Fire Protection for Small Dipping Processes
9.6 Automatic Fire Protection for Enclosed Processes and Large Processes
9.7 Requirements for All Fire Protection Systems
9.8 Specific Requirements for Automatic Carbon Dioxide, Dry Chemical, Clean Agent, and Water Mist Systems
9.9 Specific Requirements for Water-Based Fire Protection Systems
9.10 Automatic Fire Protection for Printing Processes
9.11 Portable Fire Extinguishers
Chapter 10 Operations and Maintenance
10.1 Scope
10.2 General
10.3 Waste Containers
10.4 Inspection and Testing
10.5 Cleaning Operations
10.6 Combustible Dusts and Residues
10.7 Smoking
10.8 Hot Work
10.9 Solvent Distillation Units (Solvent Recyclers)
10.10 Solvent Recovery Systems
Chapter 11 Electrostatic Detearing Apparatus
11.1 Scope
11.2 General
11.3 Requirements for Electrical System and Components
11.4 Support of Workpieces
11.5 Manual Operations
11.6 Electrical Safety Requirements
11.7 Personnel Safety
11.8 Grounding Requirements
11.9 Signs
11.10 Drip Plates and Screens
Chapter 12 Training
12.1 General
Annex A Explanatory Material
Annex B Fire Record
Annex C Illustrations of Suggested Methods of Protection
Annex D Informational References