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NFPA 54: National Fuel Gas Code Handbook, 2009
- National Fuel Gas Code Handbook
SEVENTH EDITION
- Copyright
- Contents
- Preface
- History
- About the Contributors
- About the Editor
- PART ONE NFPA 54, National Fuel Gas Code,
with Commentary [Go to Page]
- Administration CHAPTER 1 [Go to Page]
- 1.1 Scope
- 1.2 Purpose
- 1.3 Retroactivity
- 1.4 Equivalency
- 1.5 Enforcement
- Referenced Publications CHAPTER 2 [Go to Page]
- 2.1 General
- 2.2 NFPA Publications
- 2.3 Other Publications
- 2.4 References for Extracts in Mandatory Sections
- Definitions CHAPTER 3 [Go to Page]
- 3.1 General
- 3.2 NFPA Official Definitions
- 3.3 General Definitions
- General CHAPTER 4 [Go to Page]
- 4.1 Qualified Agency
- 4.2 Interruption of Service
- 4.3 Prevention of Accidental Ignition
- Gas Piping System Design, Materials, and Components CHAPTER 5
[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
- Pipe Sizing CHAPTER 6 [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
- Gas Piping Installation CHAPTER 7 [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 theFlammable Range
- 7.12 Systems Containing Flammable Gas–Air Mixtures
- 7.13 Electrical Bonding and Grounding
- 7.14 Electrical Circuits
- 7.15 Electrical Connections
- Inspection, Testing, and Purging CHAPTER 8 [Go to Page]
- 8.1 Pressure Testing and Inspection
- 8
.2 Piping System Leak Check
- 8.3 Purging
- Appliance, Equipment, and Accessory Installation CHAPTER 9
[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
- Installation of Specific Appliances CHAPTER 10
[Go to Page]
- 10.1 General
- 10.2 Air-Conditioning Appliances (Gas-Fired Air Conditionersand 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
- Procedures to Be Followed to Place Appliance in Operation CHAPTER 11
[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
- Venting of Appliances CHAPTER 12 [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, andCategory IV Appliances
- 12.13 Draft Hoods and Draft Controls
- 12.14 Manually Operated Dampers
- 12.15 Automatically Operated Vent Dampers
- Sizing of Category I Venting Systems CHAPTER 13
[Go to Page]
- 13.1 Additional Requirements to Single Appliance Vent
- 13.2 Additional Requirements to Multiple-Appliance Vent
- Explanatory Material ANNEX A
- Coordination of Appliance and Equipment Design,Construction, and Maintenance ANNEX B
[Go to Page]
- B.1 Coordination
- B.2 Appliance and Equipment Design and ConstructionChecklist
- B.3 Maintenance of Appliances and Equipment
- Sizing and Capacities ofGas Piping ANNEX C
[Go to Page]
- C.1 Sizing Factors
- C.2 General Pipe Sizing Considerations
- C.3 Description of Tables
- C.4 Use of Capacity Tables
- C.5 Use of Sizing Equations
- C.6 Pipe and Tube Diameters
- C.7 Use of Sizing Charts
- C.8 Examples of Piping System Design and Sizing
- Suggested Method of Checking for Leakage ANNEX D
[Go to Page]
- D.1 Use of Lights
- D.2 Leak Check Using the Gas Meter
- D.3 Leak Check Not Using a Meter
- D.4 When Leakage Is Indicated
- Suggested Emergency Procedure for Gas Leaks ANNEX E
[Go to Page]
- E.1
- Flow of Gas Through Fixed Orifices ANNEX F
[Go to Page]
- F.1 Use of Orifice Tables
- Sizing of Venting Systems Serving Appliances Equipped with DraftHoods, Category I Appliances,and Appliances Listed for Usewith Type B Vents ANNEX G
[Go to Page]
- G.1 Examples Using Single Appliance Venting Tables
- G.2 Examples Using Common Venting Tables
- Recommended Procedure for Safety Inspection of an ExistingAppliance Installation ANNEX H
[Go to Page]
- H.1 General
- Indoor Combustion Air Calculation Examples ANNEX I
[Go to Page]
- I.1 New Installation
- I.2 New Installation, Known Air Infiltration Rate Method
- I.3 New Installation, Known Air Infiltration Rate Method
- Example of Combination of Indoor and Outdoor Combustionand Ventilation Opening Design ANNEX J
[Go to Page]
- J.1 Example of Combination Indoor and Outdoor CombustionAir Opening Design
- Other Useful Definitions ANNEX K [Go to Page]
- K.1 Useful Terms
- Enforcement ANNEX L [Go to Page]
- L.1
- Informational References ANNEX M [Go to Page]
- M.1 Referenced Publications
- M.2 Informational References
- M.3 References for Extracts in Informational Sections.(Reserved)
- PART TWO
Supplements [Go to Page]
- SUPPLEMENT 1
Development of RevisedVenting Guidelines [Go to Page]
- OVERVIEW
- VENT-II COMPUTER PROGRAM
- BASELINE CONDITIONS FOR CATEGORY IFAN-ASSISTED APPLIANCE VENTINGTABLES
- SINGLE-APPLIANCE VENTING TABLES
- COMMON VENTING TABLES FOR TWO APPLIANCES
- SUMMARY
- SUMMARY OF RESEARCH FINDINGS
- REFERENCES
- SUPPLEMENT 2
Update on the Design andInstallation Requirements forCSST Gas Piping Systems [Go to Page]
- TUBING TECHNOLOGY
- LIGHTNING AND CSST
- BONDING OF GAS PIPING
- REFERENCES
- SUPPLEMENT 3
Carbon Monoxide [Go to Page]
- PART I: CARBON MONOXIDE (CO)INFORMATION AND DATA
- PART II: GUIDELINES FOR FIRE ANDOTHER EMERGENCY RESPONSE
PERSONNEL
- PART III: SIDEWALL VENTED APPLIANCES
- PART IV: CARBON MONOXIDE INCIDENTINVESTIGATION
- REFERENCES
- SUPPLEMENT 4
Fuel Gas Odorization [Go to Page]
- INTRODUCTION
- EARLY HISTORY OF FUEL GASODORIZATION
- NATURAL GAS
- LIQUEFIED PETROLEUM GAS
- ODORIZATION PROBLEMS
- SUMMARY
- REFERENCES
- SUPPLEMENT 5
Procedure to Estimate InfiltrationRate for Residential Structures [Go to Page]
- INTRODUCTION
- ASHRAE METHOD
- FACTORS IN ESTIMATING AIR INFILTRATION
- SUMMARY
- REFERENCE
- SUPPLEMENT 6
Calculation Worksheets
- SUPPLEMENT 7
Clearance Distance for GasAppliance Sidewall Venting [Go to Page]
- INTRODUCTION
- APPROACH
- PREVIOUS STUDIES
- CFD ANALYSIS
- SUMMARY
- REFERENCES
- SUPPLEMENT 8
Technical/Substantive Changesfrom the 2006 Edition to the2009 Edition of NFPA 54
- Code Index
- Commentary Index
- IMPORTANT NOTICES AND DISCLAIMERS [Go to Page]