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NFPA 54: National Fuel Gas Code, 2009
- Important Notices and Disclaimers
- Additional Notices and Disclaimers [Go to Page]
- Chapter 1 Administration [Go to Page]
- 1.1 Scope
- 1.2 Purpose
- 1.3 Retroactivity
- 1.4 Equivalency
- 1.5 Enforcement
- Chapter 2 Referenced Publications [Go to Page]
- 2.1 General
- 2.2 NFPA Publications
- 2.3 Other Publications
- 2.4 References for Extracts in Mandatory Sections
- Chapter 3 Definitions [Go to Page]
- 3.1 General
- 3.2 NFPA Official Definitions
- 3.3 General Definitions
- Chapter 4 General [Go to Page]
- 4.1 Qualified Agency
- 4.2 Interruption of Service
- 4.3 Prevention of Accidental Ignition
- Chapter 5 Gas Piping System Design, Materials, and Components [Go to Page]
- 5.1 Piping Plan
- 5.2 Provision for Location of Point of Delivery
- 5.3 Interconnections Between Gas Piping Systems
- 5.4 Sizing of Gas Piping Systems
- 5.5 Piping System Operating Pressure Limitations
- 5.6 Acceptable Piping Materials and Joining Methods.
- 5.7 Gas Meters
- 5.8 Gas Pressure Regulators
- 5.9 Overpressure Protection Devices
- 5.10 Back Pressure Protection
- 5.11 Low-Pressure Protection
- 5.12 Shutoff Valves
- 5.13 Excess Flow Valve(s)
- 5.14 Expansion and Flexibility
- Chapter 6 Pipe Sizing [Go to Page]
- 6.1 Pipe Sizing Methods
- 6.2 Tables for Sizing Gas Piping Systems Using Natural Gas
- 6.3 Tables for Sizing Gas Piping Systems Using Propane
- 6.4 Sizing Equations
- Chapter 7 Gas Piping Installation [Go to Page]
- 7.1 Piping Underground
- 7.2 Installation of Piping
- 7.3 Concealed Piping in Buildings
- 7.4 Piping in Vertical Chases
- 7.5 Gas Pipe Turns
- 7.6 Drips and Sediment Traps
- 7.7 Outlets
- 7.8 Branch Pipe Connection
- 7.9 Manual Gas Shutoff Valves
- 7.10 Prohibited Devices
- 7.11 Systems Containing Gas–Air Mixtures Outside the Flammable Range
- 7.12 Systems Containing Flammable Gas–Air Mixtures
- 7.13 Electrical Bonding and Grounding
- 7.14 Electrical Circuits
- 7.15 Electrical Connections
- Chapter 8 Inspection, Testing, and Purging [Go to Page]
- 8.1 Pressure Testing and Inspection
- 8.2 Piping System Leak Check.
- 8.3 Purging
- Chapter 9 Appliance, Equipment, and Accessory Installation [Go to Page]
- 9.1 General
- 9.2 Accessibility and Clearance
- 9.3 Air for Combustion and Ventilation
- 9.4 Appliances on Roofs
- 9.5 Appliances in Attics
- 9.6 Appliance and Equipment Connections to Building Piping
- 9.7 Electrical
- 9.8 Room Temperature Thermostats
- Chapter 10 Installation of Specific Appliances [Go to Page]
- 10.1 General
- 10.2 Air-Conditioning Appliances (Gas-Fired Air Conditioners and Heat Pumps)
- 10.3 Central Heating Boilers and Furnaces
- 10.4 Clothes Dryers
- 10.5 Conversion Burners
- 10.6 Decorative Appliances for Installation in Vented Fireplaces
- 10.7 Gas Fireplaces, Vented
- 10.8 Non-Recirculating Direct Gas-Fired Industrial Air Heaters
- 10.9 Recirculating Direct Gas-Fired Industrial Air Heaters
- 10.10 Duct Furnaces
- 10.11 Floor Furnaces
- 10.12 Food Service Appliance, Floor-Mounted
- 10.13 Food Service Appliances, Counter Appliances
- 10.14 Hot Plates and Laundry Stoves
- 10.15 Household Cooking Appliances
- 10.16 Illuminating Appliances
- 10.17 Incinerators, Commercial-Industrial
- 10.18 Infrared Heaters
- 10.19 Open-Top Broiler Units
- 10.20 Outdoor Cooking Appliances
- 10.21 Pool Heaters
- 10.22 Refrigerators
- 10.23 Room Heaters
- 10.24 Stationary Gas Engines
- 10.25 Gas-Fired Toilets
- 10.26 Unit Heaters
- 10.27 Wall Furnaces
- 10.28 Water Heaters
- 10.29 Compressed Natural Gas (CNG) Vehicular Fuel Systems
- 10.30 Appliances for Installation in Manufactured Housing
- 10.31 Fuel Cell Power Plants
- 10.32 Outdoor Open Flame Decorative Appliances
- Chapter 11 Procedures to Be Followed to Place Appliance in Operation [Go to Page]
- 11.1 Adjusting the Burner Input
- 11.2 Primary Air Adjustment
- 11.3 Safety Shutoff Devices
- 11.4 Automatic Ignition
- 11.5 Protective Devices
- 11.6 Checking the Draft
- 11.7 Operating Instructions
- Chapter 12 Venting of Appliances [Go to Page]
- 12.1 Minimum Safe Performance
- 12.2 General
- 12.3 Specification for Venting
- 12.4 Design and Construction
- 12.5 Type of Venting System to Be Used
- 12.6 Masonry, Metal, and Factory-Built Chimneys
- 12.7 Gas Vents
- 12.8 Single-Wall Metal Pipe
- 12.9 Through-the-Wall Vent Termination
- 12.10 Condensation Drain
- 12.11 Vent Connectors for Category I Appliances
- 12.12 Vent Connectors for Category II, Category III, and Category IV Appliances
- 12.13 Draft Hoods and Draft Controls
- 12.14 Manually Operated Dampers
- 12.15 Automatically Operated Vent Dampers
- 12.16 Obstructions
- Chapter 13 Sizing of Category I Venting Systems [Go to Page]
- 13.1 Additional Requirements to Single Appliance Vent
- 13.2 Additional Requirements to Multiple-Appliance Vent
- Annex A Explanatory Material
- Annex B Coordination of Appliance and Equipment Design, Construction, and Maintenance
- Annex C Sizing and Capacities of Gas Piping
- Annex D Suggested Method of Checking for Leakage
- Annex E Suggested Emergency Procedure for Gas Leaks
- Annex F Flow of Gas Through Fixed Orifices
- Annex G Sizing of Venting Systems Serving Appliances Equipped with Draft Hoods, Category I Appliances, and Appliances Listed for Use with Type B Vents
- Annex H Recommended Procedure for Safety Inspection of an Existing Appliance Installation
- Annex I Indoor Combustion Air Calculation Examples
- Annex J Example of Combination of Indoor and Outdoor Combustion and Ventilation Opening Design
- Annex K Other Useful Definitions
- Annex L Enforcement
- Annex M Informational References
- Index
- Tentative Interim Amendment [Go to Page]
