NFPA 54 12:2012 Edition

$80.71

NFPA 54: National Fuel Gas Code

Published By	Publication Date	Number of Pages
NFPA	2012	169

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Category: NFPA

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Description

Improve protection against fire and explosion hazards using the 2012 NFPA 54: National Fuel Gas Code. Updated for newly recognized risks and for the latest techniques, materials, developments, and construction practices in use today, the 2012 NFPA 54: National Fuel Gas Code provides revised, industry accepted guidance for the safe installation and operation of gas piping systems, appliances, equipment, and accessories. New indoor gas piping purging rules address recommendations by the U.S. Chemical Safety Board (CSB). In response to a devastating gas piping purging accident, NFPA 54 received an emergency Tentative Interim Amendment to the purging requirements in the 2009 Code. With minor editorial changes, the 2012 NFPA 54 incorporates these critical rules specifying mandatory use of combustible gas indicators and detectors so employers can identify the presence of fuel gas. Other major changes improve safety and facilitate Code application: New bonding clamp location for CSST clarifies bonding requirements added in the 2009 edition of the Code. Added overpressure protection for 2 psi (14 kPa) regulators improves convenience for designers and installers at industrial sites. Two new tables make it easier to size schedule 40 steel pipe for higher pressure drops in natural gas service. Expanded sizing tables are provided for natural gas and propane polyethylene. Annexes provide a wealth of additional information, such as: Details on coordinating of appliance and equipment design, construction, and maintenance — including a design and construction checklist Steps on checking for leakage and suggested emergency procedures for gas leaks Never underestimate fuel gas dangers! The 2012 National Fuel Gas Code provides a more effective means of ensuring fuel gas safety on consumers’ premises. From design to installation, maintenance, and inspection, no matter what aspect of fuel gas safety your job involves, the latest edition of NFPA 54 is essential.

PDF Catalog

PDF Pages	PDF Title
2	Important Notices and Disclaimers
3	Additional Notices and Disclaimers
4	2.1 General 2.2 NFPA Publications
10	Chapter 1 Administration 1.1 Scope 1.2 Purpose 1.3 Retroactivity
11	1.4 Equivalency 1.5 Enforcement. Chapter 2 Referenced Publications 2.3 Other Publications
12	2.4 References for Extracts in Mandatory Sections Chapter 3 Definitions 3.1 General 3.2 NFPA Official Definitions 3.3 General Definitions
20	Chapter 4 General 4.1 Qualified Agency 4.2 Interruption of Service 4.3 Prevention of Accidental Ignition Chapter 5 Gas Piping System Design, Materials, and Components 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
21	5.5 Piping System Operating Pressure Limitations 5.6 Acceptable Piping Materials and Joining Methods
23	5.7 Gas Meters
24	5.8 Gas Pressure Regulators 5.9 Overpressure Protection Devices
25	5.10 Back Pressure Protection 5.11 Low-Pressure Protection
26	5.12 Shutoff Valves 5.13 Excess Flow Valve(s) 5.14 Expansion and Flexibility Chapter 6 Pipe Sizing 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
62	Chapter 7 Gas Piping Installation 7.1 Piping Underground
63	7.2 Installation of Piping 7.3 Concealed Piping in Buildings
64	7.4 Piping in Vertical Chases 7.5 Gas Pipe Turns 7.6 Drips and Sediment Traps 7.7 Outlets
65	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
66	7.13 Electrical Bonding and Grounding 7.14 Electrical Circuits 7.15 Electrical Connections Chapter 8 Inspection, Testing, and Purging 8.1 Pressure Testing and Inspection
67	8.2 Piping System Leak Check 8.3 Purging Requirements
68	Chapter 9 Appliance, Equipment, and Accessory Installation 9.1 General
70	9.2 Accessibility and Clearance 9.3 Air for Combustion and Ventilation
72	9.4 Appliances on Roofs 9.5 Appliances in Attics
73	9.6 Appliance and Equipment Connections to Building Piping
74	9.7 Electrical 9.8 Room Temperature Thermostats Chapter 10 Installation of Specific Appliances 10.1 General 10.2 Air-Conditioning Appliances (Gas-Fired Air Conditioners and Heat Pumps)
76	10.3 Central Heating Boilers and Furnaces
78	10.4 Clothes Dryers
79	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
80	10.9 Recirculating Direct Gas-Fired Industrial Air Heaters 10.10 Duct Furnaces
81	10.11 Floor Furnaces
82	10.12 Food Service Appliance, Floor-Mounted
83	10.13 Food Service Appliances, Counter Appliances 10.14 Hot Plates and Laundry Stoves 10.15 Household Cooking Appliances
84	10.16 Illuminating Appliances 10.17 Incinerators, Commercial-Industrial 10.18 Infrared Heaters 10.19 Open-Top Broiler Units
85	10.20 Outdoor Cooking Appliances 10.21 Pool Heaters 10.22 Refrigerators 10.23 Room Heaters
86	10.24 Stationary Gas Engines 10.25 Gas-Fired Toilets 10.26 Unit Heaters 10.27 Wall Furnaces
87	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
88	Chapter 11 Procedures to Be Followed to Place Appliance in Operation 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 12.1 Minimum Safe Performance 12.2 General 12.3 Specification for Venting
89	12.4 Design and Construction 12.5 Type of Venting System to Be Used 12.6 Masonry, Metal, and Factory-Built Chimneys
91	12.7 Gas Vents
92	12.8 Single-Wall Metal Pipe
93	12.9 Through-the-Wall Vent Termination
94	12.10 Condensation Drain 12.11 Vent Connectors for Category I Appliances
96	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 13.1 Additional Requirements to Single Appliance Vent
104	13.2 Additional Requirements to Multiple-Appliance Vent
115	Annex A Explanatory Material
127	Annex B Sizing and Capacities of Gas Piping
136	Annex C Suggested Method of Checking for Leakage Annex D Suggested Emergency Procedure for Gas Leaks
137	Annex E Flow of Gas Through Fixed Orifices
142	Annex F Sizing of Venting Systems Serving Appliances Equipped with Draft Hoods, Category I Appliances, and Appliances Listed for Use with Type B Vents
149	Annex G Recommended Procedure for Safety Inspection of an Existing Appliance Installation
150	Annex H Indoor Combustion Air Calculation Examples
152	Annex I Example of Combination of Indoor and Outdoor Combustion and Ventilation Opening Design Annex J Other Useful Definitions
154	Annex K Enforcement
155	Annex L Informational References
158	Index