NFPA 8504 : 1996

Chapter 1 Introduction
1.1 Scope
1.2 Purpose
Chapter 2 General
2.1 Furnace explosions
2.2 Furnace pressure excursions
2.3 Manufacture, design, and engineering
2.4 Installation
2.5 Coordination of design, construction, and
            operation
2.6 Maintenance organization
2.7 Basic operating objectives
2.8 Training
2.9 Fluidized-bed combustion - special problems
Chapter 3 Definitions
3.1 Definitions
Chapter 4 Equipment requirements
4.1 Structural design
4.2 Fuel burning system
4.3 Burner management system, logic
4.4 Combustion monitoring and tripping systems
4.5 Combustion control systems
4.6 Warm-up burners and lances
4.7 Power supplies
4.8 Operating information
Chapter 5 Furnace pressure excursion prevention
5.1 General
5.2 Furnace pressure control systems
5.3 Sequence of operations
5.4 Interlock system
5.5 Alarm system
Chapter 6 Sequence of operations
6.1 General
6.2 Operational requirements
6.3 Emergency conditions not requiring shutdown or
            trip
6.4 General operating requirements - all conditions
Chapter 7 Sequence of operations for gas-fired warm-up
            burners
7.1 General
7.2 Gas firing - special problems
7.3 Warm-up burner subsystem requirements
7.4 Flame monitoring and tripping system
7.5 Sequence of operations
7.6 Interlock system
7.7 Alarm system
7.8 Boiler front control (supervised manual)
Chapter 8 Sequence of operations for oil-fired warm-up
            burners
8.1 General
8.2 Oil firing - special problems
8.3 Warm-up burner subsystem requirements
8.4 Flame monitoring and tripping system
8.5 Sequence of operations
8.6 Interlock system
8.7 Alarm system
8.8 Boiler front control (supervised manual)
Chapter 9 Interlock system
9.1 General
9.2 Functional requirements
9.3 System requirements
Chapter 10 Alarm system
10.1 Functional requirements
10.2 System requirements
Chapter 11 Referenced publications
Appendix A Explanatory material
Appendix B Guidelines for determining the minimum permitted
            temperature for feeding a fuel into a fluidized
            bed
Appendix C Referenced publications
Index

Applies to boilers with a fuel input rating of 12,500,000 Btu/hr (3663 kW) or greater. Also applies only to boilers using atmospheric fluidized-bed combustion.