NFPA® 655 Standard for Prevention of Sulfur Fires and Explosions 2012 Edition

Chapter 1 Administration

1.1 Scope
1.2 Purpose
1.3 Retroactivity
1.4 Equivalency

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 Handling Solid Sulfur in Bulk

4.1 General
4.2 Identification of Deflagration Hazard Areas.
4.3 Building Construction
4.4 Electrical Wiring and Equipment
4.5 Inert Gas
4.6 Conveyors and Collectors
4.7 Prevention of Ignition
4.8 Intermediate Bulk Containers for Solid Sulfur
4.9 Fire Fighting

Chapter 5 Handling of Liquid Sulfur at Normal Handling Temperatures

5.1 General
5.2 Detection of Unsafe Conditions
5.3 Equipment Design
5.4 Open Flames and Sparks
5.5 Fire Fighting

Chapter 6 Handling of Liquid Sulfur and Sulfur Vapor at Temperatures Above 309°F (154°C)

6.1 General
6.2 Operating Precautions and Equipment Design

Chapter 7 Fugitive Dust Control and Housekeeping

7.1 Fugitive Dust Control
7.2 Housekeeping

Chapter 8 Training and Procedures

8.1 Employee Training
8.2 Plan
8.3 Initial and Refresher Training
8.4 Certification
8.5 Contractors and Subcontractors

Chapter 9 Inspection and Maintenance

9.1 General
9.2 Specific Equipment Maintenance

Annex A Explanatory Material
Annex B Dust Layer Characterization and Precautions
Annex C Informational References
Index