The National Fire Protection Association (NFPA) 85 Code

Provides comprehensive understanding of NFPA 85 (Boiler and Combustion Systems Hazards Code), including its history, membership and structure. Deep dives into Burner Management System (BMS) logic, flame monitoring, furnace volume calculations, Class 1 igniters, system independence, minimum airflow, purge cycles, and SCR integration.

Day 1

A. National Fire Protection Association (NFPA)

1. Description, Purpose and Function

2. Standard vs Code (What is the difference?)

3. History of NFPA

4. History of NFPA 85

5. Membership

a. Who can be a member?

b. What are benefits of being a member?

6. Technical Committees

7. Technical Committee Make-up

8. Code Cycles

9. Official Interpretations

10. Informal Interpretations

B. NFPA 85, The Code

1. Purpose of The Code

2. Application of The Code

3. Encouraged to Think!

4. Important Code Definitions

5. Organization of The Code by Chapter

6. Types of Boilers Addressed by The Code

7. Chapters Affecting Pulverized Coal-Fired Boilers

a. Chapters 1 & 2 – Admin Subjects

b. Chapter 3 – Definitions

c. Chapter 4 – Fundamentals

d. Chapter 6 – Multiple Burner Boilers

e. Chapter 9 – Pulverized Fuel Systems

8. Other Chapters, Other Boilers, Other Fuels

C. All Boilers, All Fuels

1. Chapters 1 & 2 – Admin Subjects

2. Chapter 3 – Definitions

3. Chapter 4 – Fundamentals

D. Oil and Gas-Fired Boilers

1. Chapters 1 – 4 (All Boilers, All Fuels)

2. Chapter 6 – Multiple Burner Boilers

E. Pulverized Coal-Fired Boilers

1. Chapters 1 – 4 (All Boilers, All Fuels)

2. Chapter 6 – Multiple Burner Boilers

3. Chapter 9 – Pulverized Fuel Systems

F. Specific Areas of Technical Interest

1. Requirement for System Independence

2. Minimum Air Flow

3. Low Airflow Trip

4. Purge Air Flow

5. Furnace Volume Calculation

6. Igniters

7. Class 1 Igniters

8. Gas piping vent sizing and manifolding

9. Furnace Implosion/Explosion Protection

10. Furnace Outlet-to-Stack Implosion/Explosion Protection

11. The Par. 6.5.2 furnace draft control system

Day 2

G. Single Burner Boilers

1. Chapters 1 – 4 (All Boilers, All Fuels)

2. Chapter 5 – Single Burner Boilers

H. Chapter 7 – Atmospheric Fluidized Bed Boilers

I. Chapter 8 – HRSGs & Other Combustion Turbine Exhaust Systems

J. Chapter 10 – Stokers

K. Annex A through Annex N – Explanatory & Technical Material

L. Chapter 4 (Fundamentals)

1. Manufacture, Design and Engineering

2. Installation and Commissioning

3. Coordination of Design, Construction and Operation

4. Maintenance, Inspection, Training and Safety

5. Basic operating Requirements

6. Structural Design

7. Functional Requirements of Fuel-Burning System

8. Multiple Boilers or HRSGs

9. Gaseous Vent System Requirements

10. Fuel System Piping

11. Burner Management System Logic

12. Flame Monitoring and Tripping Systems

13.Combustion Control System

14. Power Supplies

15. Operating Information

16. Selective Catalytic Reduction

M. Chapter 6 (Multiple Burner Boilers)

1. Application

2. Purpose

3. Mechanical Equipment Requirements

4. Burner Management and Combustion Control Requirements

5. Furnace Implosion Protection

6. Fuel Gas Systems

7. Fuel Oil Systems

8. Pulverized Coal Systems

9. Selective Catalytic Reduction (SCR) Systems with Bypass Capability

N. Chapter 9 (Pulverized Coal Systems)

1. Application

2. Purpose

3. General

4. Direct-Fired Pulverized Fuel Systems

5. Indirect-Fired Pulverized Fuel Systems

6. Operation

7. Special Systems

O. Summary & Close

HSE Managers, Fire Protection Engineers, Risk Assessment Teams, Compliance Officers, Safety Supervisors, Maintenance Engineers, Maintenance Supervisors, Shutdown / Turnaround Personnel, Inspection Engineers, Asset Integrity Engineers