NFPA 655 : 2017

Chapter 1 Administration 1.1 Scope. 1.2 Purpose. 1.3 Retroactivity. 5.4 Open Flames and Sparks. 5.5 Fire Fighting. 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. 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

Describes the size reduction of sulfur and the handling of sulfur in any form. Gives requirements to eliminate or reduce the hazards of explosion and fire inherent in the processing and handling of sulfur.