NFPA 54 2002

$80.71

NFPA 54: National Fuel Gas Code

Published By	Publication Date	Number of Pages
NFPA	2002	159

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Category: NFPA

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Description

NFPA 54: National Fuel Gas Code provides the most effective means of ensuring fuel gas safety on consumers’ premises. NFPA 54: National Fuel Gas Code provides critical guidance for the safe installation and operation of fuel gas piping systems, appliances, equipment, and accessories. Installers, designers, AHJs, maintainers, inspectors, and facility managers look to the Code for design requirements; inspection, testing, and purging requirements; pipe sizing tables; and venting system rules that address fuel gas risks. Each edition builds on the next, through consensus-based changes that reflect the evolving needs of the field and the latest information about fuel gas safety. The 2012 NFPA 54: National Fuel Gas Code incorporates indoor gas piping purging rules that 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 presents these new 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; such as a new bonding clamp location for Corrugated Stainless Steel Tubing (CSST) gas piping that clarifies bonding requirements added in the 2009 edition. The 2009 NFPA 54: National Fuel Gas Code reflects scores of proposals from the field. A new bonding requirement for Corrugated Stainless Steel Tubing (CSST) gas piping installed inside buildings helps protect against threats likely to energize gas piping. This edition also addresses a new system of connecting copper tubing using a crimping tool for press-connect fittings, and includes a new rule for a dedicated master shutoff valve for laboratories. Revised requirements for connectors to radiant tube heaters help prevent cracks, leaks, or fractures. Additional requirements for commercial cooking appliance connectors reduce the risk of fugitive gas, potential fires, and subsequent losses. The 2006 NFPA 54: National Fuel Gas Code includes revised data that helps designers and engineers properly size longer installations; dozens of pipe sizing tables have been extended with information for all piping up to 2,000 feet. A first-time requirement addresses support of rooftop piping to protect against wind damage. Revised requirements for appliance shutoff valves allow manifold systems with all shutoff valves in one location up to 50 feet from the most remote appliance. Definitions are organized by categories, and chapters dealing with piping, installation, and venting are grouped together for ease of use.

PDF Catalog

PDF Pages	PDF Title
10	Chapter 1 Administration 1.1 Scope 1.2 Purpose 1.3 Retroactivity 1.4 Equivalency
11	1.5 Enforcement Chapter 2 Referenced Publications (Reserved) Chapter 3 Definitions 3.1 General 3.2 (Reserved) 3.3 General Definitions
18	Chapter 4 General 4.1 Qualified Agency 4.2 Interruption of Service 4.3 Prevention of Accidental Ignition
19	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
20	5.5 Piping System Operating Pressure Limitations 5.6 Acceptable Piping Materials and Joining Methods
22	5.7 Gas Meters 5.8 Gas Pressure Regulators
23	5.9 Overpressure Protection Devices
24	5.10 Back Pressure Protection 5.11 Low-Pressure Protection 5.12 Shutoff Valves 5.13 Expansion and Flexibility Chapter 6 Gas Piping Installation 6.1 Piping Underground
25	6.2 Installation of Piping 6.3 Concealed Piping in Buildings
26	6.4 Piping in Vertical Chases 6.5 Gas Pipe Turns 6.6 Drips and Sediment Traps 6.7 Outlets
27	6.8 Branch Pipe Connection 6.9 Manual Gas Shutoff Valves 6.10 Prohibited Devices 6.11 Systems Containing Gas–Air Mixtures Outside the Flammable Range 6.12 Systems Containing Flammable Gas–Air Mixtures
28	6.13 Electrical Bonding and Grounding 6.14 Electrical Circuits 6.15 Electrical Connections Chapter 7 Inspection, Testing, and Purging 7.1 Pressure Testing and Inspection
29	7.2 System and Equipment Leakage Test 7.3 Purging
30	Chapter 8 Equipment Installation 8.1 General
32	8.2 Accessibility and Clearance 8.3 Air for Combustion and Ventilation
34	8.4 Equipment on Roofs 8.5 Equipment Connections to Building Piping
35	8.6 Electrical 8.7 Room Temperature Thermostats
36	Chapter 9 Installation of Specific Equipment 9.1 General 9.2 Air-Conditioning Equipment (Gas-Fired Air Conditioners and Heat Pumps)
38	9.3 Central Heating Boilers and Furnaces
40	9.4 Clothes Dryers 9.5 Conversion Burners 9.6 Decorative Appliances for Installation in Vented Fireplaces
41	9.7 Gas Fireplaces, Vented 9.8 Non-Recirculating Direct Gas-Fired Industrial Air Heaters
42	9.9 Recirculating Direct Gas-Fired Industrial Air Heaters 9.10 Duct Furnaces
43	9.11 Floor Furnaces
44	9.12 Food Service Equipment, Floor-Mounted 9.13 Food Service Equipment Counter Appliances
45	9.14 Hot Plates and Laundry Stoves 9.15 Household Cooking Appliances 9.16 Illuminating Appliances
46	9.17 Incinerators, Commercial-Industrial 9.18 Infrared Heaters 9.19 Open-Top Broiler Units
47	9.20 Outdoor Cooking Appliances 9.21 Pool Heaters 9.22 Refrigerators 9.23 Room Heaters
48	9.24 Stationary Gas Engines 9.25 Gas-Fired Toilets 9.26 Unit Heaters 9.27 Wall Furnaces
49	9.28 Water Heaters 9.29 Compressed Natural Gas (CNG) Vehicular Fuel Systems 9.30 Appliances for Installation in Manufactured Housing 9.31 Fuel Cell Power Plants
50	Chapter 10 Venting of Equipment 10.1 General 10.2 Specification for Venting 10.3 Design and Construction
51	10.4 Type of Venting System to Be Used 10.5 Masonry, Metal, and Factory-Built Chimneys
53	10.6 Gas Vents
54	10.7 Single-Wall Metal Pipe
56	10.8 Through the Wall Vent Termination 10.9 Condensation Drain 10.10 Vent Connectors for Category I Gas Utilization Equipment
58	10.11 Vent Connectors for Category II, Category III, and Category IV Gas Utilization Equipment 10.12 Draft Hoods and Draft Controls 10.13 Manually Operated Dampers 10.14 Automatically Operated Vent Dampers
59	10.15 Obstructions Chapter 11 Procedures to Be Followed to Place Equipment in Operation 11.1 Adjusting the Burner Input
60	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 Pipe Sizing 12.1 Pipe Sizing Methods 12.2 Tables for Sizing Gas Piping Systems 12.3 Sizing Equations
92	Chapter 13 Sizing of Category I Venting Systems 13.1 Additional Requirements to Single Appliance Vent Table 13.1 Through Table 13.5
99	13.2 Additional Requirements to Multiple Appliance Vent Table 13.6 Through Table 13.13(a) and Table 13.13(b)
111	Chapter 14 Referenced Publications 14.1 General Annex A Explanatory Material
118	Annex B Coordination of Gas Utilization Equipment Design, Construction, and Maintenance
119	Annex C Sizing and Capacities of Gas Piping
128	Annex D Suggested Method of Checking for Leakage Annex E Suggested Emergency Procedure for Gas Leaks
129	Annex F Flow of Gas Through Fixed Orifices
134	Annex G Sizing of Venting Systems Serving Appliances Equipped with Draft Hoods, Category I Appliances, and Appliances Listed for Use with Type B Vents
141	Annex H Recommended Procedure for Safety Inspection of an Existing Appliance Installation
142	Annex I Indoor Combustion Air Calculation Examples
144	Annex J Example of Combination of Indoor and Outdoor Combustion and Ventilation Opening Design Annex K Other Useful Definitions
146	Annex L Informational References
149	Index
159	Tentative Interim Amendment