NFPA 54: National Fuel Gas Code Handbook 2018
Table of Contents
Preface
History of the National Fuel Gas Code
About the Contributors
About the Editor
NFPA 54 Summary of Technical Changes: 2018
- Administration
- Scope
- Purpose
- Retroactivity
- Equivalency
- Enforcement
- Referenced Publications
- General
- NFPA Publications
- Other Publications
- References for Extracts in Mandatory Sections
- Definitions
- General
- NFPA Official Definitions
- General Definitions
- General
- Qualified Agency
- Interruption of Service
- Prevention of Accidental Ignition
- Noncombustible Material
- Gas Piping System Design, materials, and Components
- Piping Plan
- Provision for Location of Point of Delivery
- Interconnections Between Gas Piping Systems
- Sizing of Gas Piping Systems
- Operating Pressure
- Acceptable Piping Materials and Joining Methods
- Gas Meters
- Gas Pressure Regulators
- Overpressure Protection Devices
- Back Pressure Protection
- Low-Pressure Protection
- Shutoff Valves
- Excess Flow Valve(s)
- Expansion and Flexibility
- Pipe Sizing
- Pipe Sizing Methods
- Sizing Natural Gas Piping Systems
- Sizing Propane Piping Systems
- Sizing Equations
- Gas Piping Installation
- Installation of Underground Piping
- Installation of Aboveground Piping
- Concealed Piping in Buildings
- Piping in Vertical Chases
- Gas Pipe Turns
- Drips and Sediments Traps
- Outlets
- Manual Gas Shutoff Valves
- Prohibited Devices
- Systems Containing gas – Air Mixtures Outside the Flammable Range
- Systems Containing Flammable Gas – Air Mixtures
- Electrical Bonding and Grounding
- Electrical Circuits
- Electrical Connections
- Inspection, Testing, and Purging
- Pressure Testing and Inspection
- Piping System Leak Check
- Purging Requirements
- Appliance, Equipment, and Accessory Installation
- General
- Accessibility and Clearance
- Air for Combustion and Ventilation
- Appliances on Roofs
- Appliances in Attics
- Appliance and Equipment Connections to Building Piping
- Electrical Room Temperature Thermostats
- Installation of Specific Appliances
- General
- Air-Conditioning Appliances (Gas-Fired Air Conditioners and Heat Pumps)
- Central Heating Boilers and Furnaces
- Clothes Dryers
- Conversion Burners
- Decorative Appliances for Installation in Vented Fireplaces
- Gas Fireplaces, Vented
- Non-Recirculating Direct Gas-Fired Industrial Air Heaters
- Recirculating Direct Gas-Fired Industrial Air Heaters
- Duct Furnaces
- Floor Furnaces
- Food Service Appliance, Floor-Mounted
- Food Service Appliances, Counter Appliances
- Household Cooking Appliances
- Incinerators, Commercial-Industrial
- Infrared Heaters
- Open-Top Broiler Units
- Outdoor Cooking Appliance
- Pool Heaters
- Refrigerators
- Room Heaters
- Stationary Gas Engines
- Gas-Fired Toilets
- Unit Heaters
- Wall Furnaces
- Water Heaters
- Compressed Natural Gas (CNG) Vehicular Fuel Systems
- Appliances for Installation in Manufactured Housing
- Fuel Cell Power Plants
- Outdoor Open Flame Decorative Appliances
- Procedures to be Followed to Place Appliance in Operation
- Adjusting the Burner Input
- Primary Air Adjustment
- Safety Shutoff Devices
- Automatic Ignition
- Protective Devices
- Checking the Draft
- Operating Instructions
- Venting of Appliances
- Minimum Safe Performance
- General
- Specification for Venting
- Design and Construction
- Type of Venting System to be Used
- Masonry, Metal, and Factory-Built Chimney
- Gas Vents
- Single-Wall Metal Pipe
- Through-the-Wall Vent Termination
- Condensation Drain
- Vent Connectors for Category I Appliances
- Vent Connectors for Category II, Category III, and Category IV Appliances
- Draft Hoods and Draft Controls
- Manually Operated Dampers
- Automatically Operated Vent Dampers
- Obstructions
- Sizing of Category I Venting Systems
- Additional Requirements to Single Appliance Vent
- Additional Requirements to Multiple-Appliance Vent
Annexes
Annex A: Explanatory Material
Annex B: Sizing and Capacities of Gas Piping
Annex C: Suggested Method of Checking for Leakage
Annex D: Suggested Emergency
Annex E: Flow of Gas Through Fixed Orifices
Annex F: Sizing of Venting Systems Serving Appliances Equipped with Draft Hoods, Category I Appliance, and Appliances Listed for Use with Type B Vents
Annex G: Recommended Procedure for Safety Inspection of an Existing Appliance Installation
Annex H: Indoor Combustion Air Calculation Examples
Annex I: Example of Combination of Indoor and Outdoor Combustion and Ventilation Opening Design
Annex J: Enforcement
Annex K: Informational References
Supplement 1: Developing Revised Venting Guidelines
Supplement 2: Fuel Gas Idolization
Supplement 3: Calculation Worksheets
Supplement 4: Clearance Distance for Gas Appliance Sidewall Venting
Supplement 5: Purging
Supplement 6: Corrugated Stainless Steel Tubing (CSST)