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ICC IFGC 2021 1stptg

$66.08

International Fuel Gas Code, 2nd Printing

Published By Publication Date Number of Pages
ICC 2021
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Addresses the design and installation of fuel gas systems and gas fired appliances through prescriptive and performance requirements. Key changes in the 2021 IFGC® include: The termination of concealed condensate piping requires marking to indicate if it is the primary drain or the secondary drain. Press-connect joints are acceptable for high pressure (over 5 psig) applications indoors. Commercial cooking appliances are not allowed within dwelling units.

PDF Catalog

PDF Pages PDF Title
1 2021 IFGC® INTERNATIONAL FUEL GAS CODE®
2 2021 IFGC® INTERNATIONAL FUEL GAS CODE® TITLE PAGE
3 COPYRIGHT
4 PREFACE
10 ARRANGEMENT AND FORMAT OF THE 2021 IFGC
14 TABLE OF CONTENTS
18 CHAPTER 1 SCOPE AND ADMINISTRATION
PART 1—SCOPE AND APPLICATION
SECTION 101 (IFGC) SCOPE AND GENERAL REQUIREMENTS
19 SECTION 102 (IFGC) APPLICABILITY
20 PART 2—ADMINISTRATION AND ENFORCEMENT
SECTION 103 (IFGC) CODE COMPLIANCE AGENCY
SECTION 104 (IFGC) DUTIES AND POWERS OF THE CODE OFFICIAL
21 SECTION 105 (IFGC) APPROVAL
SECTION 106 (IFGC) PERMITS
22 SECTION 107 (IFGC) CONSTRUCTION DOCUMENTS
23 SECTION 108 (IFGC) NOTICE OF APPROVAL
SECTION 109 (IFGC) FEES
SECTION 110 (IFGC) SERVICE UTILITIES
SECTION 111 (IFGC) TEMPORARY EQUIPMENT, SYSTEMS AND USES
24 SECTION 112 (IFGC) INSPECTIONS AND TESTING
25 SECTION 113 (IFGC) MEANS OF APPEAL
SECTION 114 (IFGC) BOARD OF APPEALS
SECTION 115 (IFGC) VIOLATIONS
26 SECTION 116 (IFGC) STOP WORK ORDER
28 CHAPTER 2 DEFINITIONS
SECTION 201 (IFGC) GENERAL
SECTION 202(IFGC) GENERAL DEFINITIONS
36 CHAPTER 3 GENERAL REGULATIONS
SECTION 301 (IFGC) GENERAL
37 SECTION 302 (IFGC) STRUCTURAL SAFETY
SECTION 303 (IFGC) APPLIANCE LOCATION
38 SECTION 304 (IFGS) COMBUSTION, VENTILATION AND DILUTION AIR
39 EQUATION 3-1
EQUATION 3-2
FIGURE 304.5.3 ALL AIR FROM INSIDE THE BUILDING (see Section 304.5.3)
40 FIGURE 304.6.1(1) ALL AIR FROM OUTDOORS—INLET AIR FROM VENTILATED CRAWL SPACE AND OUTLET AIR TO VENTILATED ATTIC (see Section 304.6.1)
FIGURE 304.6.1(2) ALL AIR FROM OUTDOORS THROUGH VENTILATED ATTIC (see Section 304.6.1)
FIGURE 304.6.1(3) ALL AIR FROM OUTDOORS (see Section 304.6.1)
FIGURE 304.6.2 SINGLE COMBUSTION AIR OPENING, ALL AIR FROM THE OUTDOORS (see Section 304.6.2)
41 SECTION 305 (IFGC) INSTALLATION
42 SECTION 306 (IFGC) ACCESS AND SERVICE SPACE
44 SECTION 307 (IFGC) CONDENSATE DISPOSAL
SECTION 308 (IFGS) CLEARANCE REDUCTION
45 TABLE 308.2 REDUCTION OF CLEARANCES WITH SPECIFIED FORMS OF PROTECTION
46 FIGURE 308.2(1) EXTENT OF PROTECTION NECESSARY TO REDUCE CLEARANCES FROM APPLIANCE OR VENT CONNECTIONS
FIGURE 308.2(2) WALL PROTECTOR CLEARANCE REDUCTION SYSTEM
FIGURE 308.2(3) MASONRY CLEARANCE REDUCTION SYSTEM
47 SECTION 309 (IFGC) ELECTRICAL
SECTION 310 (IFGS) ELECTRICAL BONDING
48 CHAPTER 4 GAS PIPING INSTALLATIONS
SECTION 401 (IFGC) GENERAL
SECTION 402 (IFGS) PIPE SIZING
49 EQUATION 4-1
EQUATION 4-2
TABLE 402.4 Cr AND Y VALUES FOR NATURAL GAS AND UNDILUTED PROPANE AT STANDARD CONDITIONS
50 TABLE 402.4(1) SCHEDULE 40 METALLIC PIPE
51 TABLE 402.4(2) SCHEDULE 40 METALLIC PIPE
52 TABLE 402.4(3) SCHEDULE 40 METALLIC PIPE
53 TABLE 402.4(4) SCHEDULE 40 METALLIC PIPE
54 TABLE 402.4(5) SCHEDULE 40 METALLIC PIPE
55 TABLE 402.4(6) SCHEDULE 40 METALLIC PIPE
56 TABLE 402.4(7) SCHEDULE 40 METALLIC PIPE
57 TABLE 402.4(8) SEMIRIGID COPPER TUBING
58 TABLE 402.4(9) SEMIRIGID COPPER TUBING
59 TABLE 402.4(10) SEMIRIGID COPPER TUBING
60 TABLE 402.4(11) SEMIRIGID COPPER TUBING
61 TABLE 402.4(12) SEMIRIGID COPPER TUBING
62 TABLE 402.4(13) SEMIRIGID COPPER TUBING
63 TABLE 402.4(14) SEMIRIGID COPPER TUBING
64 TABLE 402.4(15) CORRUGATED STAINLESS STEEL TUBING (CSST)
65 TABLE 402.4(16) CORRUGATED STAINLESS STEEL TUBING (CSST)
66 TABLE 402.4(17) CORRUGATED STAINLESS STEEL TUBING (CSST)
67 TABLE 402.4(18) CORRUGATED STAINLESS STEEL TUBING (CSST)
68 TABLE 402.4(19) CORRUGATED STAINLESS STEEL TUBING (CSST)
69 TABLE 402.4(20) POLYETHYLENE PLASTIC PIPE
70 TABLE 402.4(21) POLYETHYLENE PLASTIC PIPE
71 TABLE 402.4(22) POLYETHYLENE PLASTIC PIPE
72 TABLE 402.4(23) POLYETHYLENE PLASTIC TUBING
TABLE 402.4(24) POLYETHYLENE PLASTIC TUBING
73 TABLE 402.4(25) SCHEDULE 40 METALLIC PIPE
74 TABLE 402.4(26) SCHEDULE 40 METALLIC PIPE
75 TABLE 402.4(27) SCHEDULE 40 METALLIC PIPE
76 TABLE 402.4(28) SCHEDULE 40 METALLIC PIPE
77 TABLE 402.4(29) SEMIRIGID COPPER TUBING
78 TABLE 402.4(30) SEMIRIGID COPPER TUBING
79 TABLE 402.4(31) SEMIRIGID COPPER TUBING
80 TABLE 402.4(32) CORRUGATED STAINLESS STEEL TUBING (CSST)
81 TABLE 402.4(33) CORRUGATED STAINLESS STEEL TUBING (CSST)
82 TABLE 402.4(34) CORRUGATED STAINLESS STEEL TUBING (CSST)
83 TABLE 402.4(35) POLYETHYLENE PLASTIC PIPE
84 TABLE 402.4(36) POLYETHYLENE PLASTIC PIPE
85 TABLE 402.4(37) POLYETHYLENE PLASTIC TUBING
86 SECTION 403 (IFGS) PIPING MATERIALS
87 TABLE 403.8.2 SPECIFICATIONS FOR THREADING METALLIC PIPE
88 SECTION 404 (IFGC) PIPING SYSTEM INSTALLATION
91 SECTION 405 (IFGS) PIPING BENDS AND CHANGES IN DIRECTION
SECTION 406 (IFGS) INSPECTION, TESTING AND PURGING
92 TABLE 406.7.1.1 SIZE AND LENGTH OF PIPING
93 SECTION 407 (IFGC) PIPING SUPPORT
SECTION 408 (IFGC) DRIPS AND SLOPED PIPING
94 FIGURE 408.4 METHOD OF INSTALLING A TEE FITTING SEDIMENT TRAP
SECTION 409 (IFGC) SHUTOFF VALVES
TABLE 409.1.1 MANUAL GAS VALVE STANDARDS
95 SECTION 410 (IFGC) FLOW CONTROLS
96 SECTION 411 (IFGC) APPLIANCE AND MANUFACTURED HOME CONNECTIONS
97 SECTION 412 (IFGC) LIQUEFIED PETROLEUM GAS MOTOR VEHICLE FUEL-DISPENSING FACILITIES
98 SECTION 413 (IFGC) COMPRESSED NATURAL GAS MOTOR VEHICLE FUEL-DISPENSING FACILITIES
100 [F] TABLE 413.10.2.3 SEPARATION DISTANCE FOR ATMOSPHERIC VENTING OF CNG
SECTION 414 (IFGC) SUPPLEMENTAL AND STANDBY GAS SUPPLY
SECTION 415 (IFGS) PIPING SUPPORT INTERVALS
TABLE 415.1 SUPPORT OF PIPING
SECTION 416 (IFGS) OVERPRESSURE PROTECTION DEVICES
102 CHAPTER 5 CHIMNEYS AND VENTS
SECTION 501 (IFGC) GENERAL
103 SECTION 502 (IFGC) VENTS
104 SECTION 503 (IFGS) VENTING OF APPLIANCES
105 TABLE 503.4 TYPE OF VENTING SYSTEM TO BE USED
107 FIGURE 503.6.5 TERMINATION LOCATIONS FOR GAS VENTS WITH LISTED CAPS 12 INCHES OR LESS IN SIZE NOT LESS THAN 8 FEET FROM A VERTICAL WALL
110 TABLE 503.8 THROUGH-THE-WALL VENT TERMINAL CLEARANCE
111 FIGURE 503.8 THROUGH-THE-WALL VENT TERMINAL CLEARANCE
TABLE 503.10.2.4 MINIMUM THICKNESS FOR GALVANIZED STEEL VENT CONNECTORS FOR LOW-HEAT APPLIANCES
TABLE 503.10.2.5 MINIMUM THICKNESS FOR STEEL VENT CONNECTORS FOR MEDIUM-HEAT APPLIANCES
112 TABLE 503.10.5 CLEARANCES FOR CONNECTORSa
114 SECTION 504 (IFGS) SIZING OF CATEGORY I APPLIANCE VENTING SYSTEMS
116 TABLE 504.3.2 MAXIMUM VENT CONNECTOR LENGTH
118 SECTION 505 (IFGC) DIRECT-VENT, INTEGRAL VENT, MECHANICAL VENT AND VENTILATION/EXHAUST HOOD VENTING
119 SECTION 506 (IFGC) FACTORY-BUILT CHIMNEYS
120 TABLE 504.2(1) TYPE B DOUBLE-WALL GAS VENT
121 TABLE 504.2(1)—continued TYPE B DOUBLE-WALL GAS VENT
122 TABLE 504.2(1)—continued TYPE B DOUBLE-WALL GAS VENT
123 TABLE 504.2(1)—continued TYPE B DOUBLE-WALL GAS VENT
124 TABLE 504.2(2) TYPE B DOUBLE-WALL GAS VENT
125 TABLE 504.2(2)—continued TYPE B DOUBLE-WALL GAS VENT
126 TABLE 504.2(3) MASONRY CHIMNEY
127 TABLE 504.2(3)—continued MASONRY CHIMNEY
128 TABLE 504.2(4) MASONRY CHIMNEY
129 TABLE 504.2(4)—continued MASONRY CHIMNEY
130 TABLE 504.2(5) SINGLE-WALL METAL PIPE OR TYPE B ASBESTOS CEMENT VENT
131 TABLE 504.2(6) EXTERIOR MASONRY CHIMNEY
132 TABLE 504.3(1) TYPE B DOUBLE-WALL VENT
133 TABLE 504.3(1)—continued TYPE B DOUBLE-WALL VENT
134 TABLE 504.3(2) TYPE B DOUBLE-WALL VENT
135 TABLE 504.3(3) MASONRY CHIMNEY
136 TABLE 504.3(4) MASONRY CHIMNEY
137 TABLE 504.3(5) SINGLE-WALL METAL PIPE OR TYPE ASBESTOS CEMENT VENT
138 TABLE 504.3(6a) EXTERIOR MASONRY CHIMNEY
TABLE 504.3(6b) EXTERIOR MASONRY CHIMNEY
TABLE 504.3(6b)—continued EXTERIOR MASONRY CHIMNEY
139 TABLE 504.3(7a) EXTERIOR MASONRY CHIMNEY
TABLE 504.3(7b) EXTERIOR MASONRY CHIMNEY
TABLE 504.3(7b)—continued EXTERIOR MASONRY CHIMNEY
140 CHAPTER 6 SPECIFIC APPLIANCES
SECTION 601 (IFGC) GENERAL
SECTION 602 (IFGC) DECORATIVE APPLIANCES FOR INSTALLATION IN FIREPLACES
SECTION 603 (IFGC) LOG LIGHTERS
SECTION 604 (IFGC) VENTED GAS FIREPLACES (DECORATIVE APPLIANCES)
SECTION 605 (IFGC) VENTED GAS FIREPLACE HEATERS
SECTION 606 (IFGC) INCINERATORS AND CREMATORIES
SECTION 607 (IFGC) COMMERCIAL-INDUSTRIAL INCINERATORS
SECTION 608 (IFGC) VENTED WALL FURNACES
141 SECTION 609 (IFGC) FLOOR FURNACES
SECTION 610 (IFGC) DUCT FURNACES
SECTION 611 (IFGC) NONRECIRCULATING DIRECT-FIRED INDUSTRIAL AIR HEATERS
142 SECTION 612 (IFGC) RECIRCULATING DIRECT-FIRED INDUSTRIAL AIR HEATERS
SECTION 613 (IFGC) CLOTHES DRYERS
SECTION 614 (IFGC) CLOTHES DRYER EXHAUST
143 [M] TABLE 614.9.4.1 DRYER EXHAUST DUCT FITTING EQUIVALENT LENGTH
144 SECTION 615 (IFGC) SAUNA HEATERS
145 SECTION 616 (IFGC) ENGINE AND GAS TURBINE-POWERED EQUIPMENT
SECTION 617 (IFGC) POOL AND SPA HEATERS
SECTION 618 (IFGC) FORCED-AIR WARM-AIR FURNACES
146 SECTION 619 (IFGC) CONVERSION BURNERS
SECTION 620 (IFGC) UNIT HEATERS
SECTION 621 (IFGC) UNVENTED ROOM HEATERS
147 SECTION 622 (IFGC) VENTED ROOM HEATERS
SECTION 623 (IFGC) COOKING APPLIANCES
SECTION 624 (IFGC) WATER HEATERS
148 SECTION 625 (IFGC) REFRIGERATORS
SECTION 626 (IFGC) GAS-FIRED TOILETS
SECTION 627 (IFGC) AIR-CONDITIONING APPLIANCES
149 SECTION 628 (IFGC) ILLUMINATING APPLIANCES
SECTION 629 (IFGC) SMALL CERAMIC KILNS
SECTION 630 (IFGC) INFRARED RADIANT HEATERS
SECTION 631 (IFGC) BOILERS
SECTION 632 (IFGC) EQUIPMENT INSTALLED IN EXISTING UNLISTED BOILERS
150 SECTION 633 (IFGC) STATIONARY FUEL-CELL POWER SYSTEMS
SECTION 634 (IFGC) GASEOUS HYDROGEN SYSTEMS
SECTION 635 (IFGC) OUTDOOR DECORATIVE APPLIANCES
152 CHAPTER 7 GASEOUS HYDROGEN SYSTEMS
SECTION 701 (IFGC) GENERAL
SECTION 702 (IFGC) GENERAL DEFINITIONS
SECTION 703 (IFGC) GENERAL REQUIREMENTS
153 SECTION 704 (IFGC) PIPING, USE AND HANDLING
154 SECTION 705 (IFGC) TESTING OF HYDROGEN PIPING SYSTEMS
155 SECTION 706 (IFGC) LOCATION OF GASEOUS HYDROGEN SYSTEMS
SECTION 707 (IFGC) OPERATION AND MAINTENANCE OF GASEOUS HYDROGEN SYSTEMS
SECTION 708 (IFGC) DESIGN OF LIQUEFIED HYDROGEN SYSTEMS ASSOCIATED WITH HYDROGEN VAPORIZATION OPERATIONS
156 IFGC/IFGS CHAPTER 8 REFERENCED STANDARDS
ANSI
158 ASME
ASSP
ASTM
159 CGA
CSA
160 DOTn
ICC
MSS
NFPA
161 SMACNA
UL
162 APPENDIX A (IFGS) SIZING AND CAPACITIES OF GAS PIPING
SECTION A101 GENERAL PIPING CONSIDERATIONS
SECTION A102 DESCRIPTION OF TABLES
163 TABLE A102.2 EQUIVALENT LENGTHS OF PIPE FITTINGS AND VALVES
164 TABLE A102.2—continued EQUIVALENT LENGTHS OF PIPE FITTINGS AND VALVES
165 TABLE A102.4 MULTIPLIERS TO BE USED WITH TABLES 402.4(1) THROUGH 402.4(22) WHERE THE SPECIFIC GRAVITY OF THE GAS IS OTHER THAN 0.60
SECTION A103 USE OF CAPACITY TABLES
167 TABLE A103.4 THOUSANDS OF BTU/H (MBH) OF NATURAL GAS PER 100 FEET OF PIPE AT VARIOUS PRESSURE DROPS AND PIPE DIAMETERS
SECTION A104 USE OF SIZING EQUATIONS
168 SECTION A105 PIPE AND TUBE DIAMETERS
TABLE A105.1 SCHEDULE 40 STEEL PIPE STANDARD SIZES
TABLE A105.2 COPPER TUBE STANDARD SIZES
169 SECTION A106 EXAMPLES OF PIPING SYSTEM DESIGN AND SIZING
FIGURE A106.1 PIPING PLAN SHOWING A STEEL PIPING SYSTEM
170 FIGURE A106.2 PIPING PLAN SHOWING A CSST SYSTEM
FIGURE A106.3 PIPING PLAN SHOWING A COPPER TUBING SYSTEM
171 FIGURE A106.4 PIPING PLAN SHOWING A MODIFICATION TO EXISTING PIPING SYSTEM
174 APPENDIX B (IFGS) SIZING OF VENTING SYSTEMS SERVING APPLIANCES EQUIPPED WITH DRAFT HOODS, CATEGORY I APPLIANCES AND APPLIANCES LISTED FOR USE WITH TYPE B VENTS
SECTION B101 EXAMPLES USING SINGLE-APPLIANCE VENTING TABLES
FIGURE B101.1 EXAMPLE 1—SINGLE DRAFT-HOOD-EQUIPPED APPLIANCE
175 FIGURE B101.2 EXAMPLE 2—SINGLE FAN-ASSISTED APPLIANCE
FIGURE B101.4(1) TYPE B DOUBLE-WALL VENT SYSTEM SERVING A SINGLE APPLIANCE WITH A TYPE B DOUBLE-WALL VENT
176 FIGURE B101.4(2) TYPE B DOUBLE-WALL VENT SYSTEM SERVING A SINGLE APPLIANCE WITH A SINGLE-WALL METAL VENT CONNECTOR
FIGURE B101.4(3) VENT SYSTEM SERVING A SINGLE APPLIANCE WITH A MASONRY CHIMNEY OF TYPE B DOUBLE-WALL VENT CONNECTOR
FIGURE B101.4(4) VENT SYSTEM SERVING A SINGLE APPLIANCE USING A MASONRY CHIMNEY AND A SINGLE-WALL METAL VENT CONNECTOR
FIGURE B101.4(5) ASBESTOS CEMENT TYPE B OR SINGLE-WALL METAL VENT SYSTEM SERVING A SINGLE DRAFT-HOOD-EQUIPPED APPLIANCE
177 SECTION B102 EXAMPLES USING COMMON VENTING TABLES
FIGURE B102.1 EXAMPLE 4—COMMON VENTING TWO DRAFT-HOOD-EQUIPPED APPLIANCES
178 FIGURE B102.2 EXAMPLE 5A—COMMON VENTING A DRAFT HOOD WITH A FAN-ASSISTED FURNACE INTO A TYPE B DOUBLE-WALL COMMON VENT
179 TABLE B102.3 MASONRY CHIMNEY LINER DIMENSIONS WITH CIRCULAR EQUIVALENTSa
180 FIGURE B102.5(1) VENT SYSTEM SERVING TWO OR MORE APPLIANCES WITH TYPE B DOUBLE-WALL VENT AND TYPE B DOUBLE-WALL VENT CONNECTOR
FIGURE B102.5(2) VENT SYSTEM SERVING TWO OR MORE APPLIANCES WITH TYPE B DOUBLE-WALL VENT AND SINGLE-WALL METAL VENT CONNECTORS
FIGURE B102.5(3) MASONRY CHIMNEY SERVING TWO OR MORE APPLIANCES WITH TYPE B DOUBLE-WALL VENT CONNECTOR
FIGURE B102.5(4) MASONRY CHIMNEY SERVING TWO OR MORE APPLIANCES WITH SINGLE-WALL METAL VENT CONNECTORS
181 FIGURE B102.5(5) ASBESTOS CEMENT TYPE B OR SINGLE-WALL METAL VENT SYSTEM SERVING TWO OR MORE DRAFT-HOOD-EQUIPPED APPLIANCES
FIGURE B102.5(6) USE OF MANIFOLD COMMON VENT CONNECTOR
FIGURE B102.5(7) USE OF OFFSET COMMON VENT
182 FIGURE B102.5(8) MULTISTORY GAS VENT DESIGN PROCEDURE FOR EACH SEGMENT OF SYSTEM
FIGURE B102.5(9) MULTISTORY VENT SYSTEMS
183 FIGURE B102.5(10) NATIONAL FUEL GAS CODE 99-PERCENT WINTER DESIGN TEMPERATURES FOR THE CONTIGUOUS UNITED STATES
184 APPENDIX C (IFGS) EXIT TERMINALS OF MECHANICAL DRAFT AND DIRECT-VENT VENTING SYSTEMS
SECTION C101 GENERAL
FIGURE C101.1 EXIT TERMINALS OF MECHANICAL DRAFT AND DIRECT-VENT VENTING SYSTEMS
186 APPENDIX D (IFGS) RECOMMENDED PROCEDURE FOR SAFETY INSPECTION OF AN EXISTING APPLIANCE INSTALLATION
SECTION D101 GENERAL
SECTION D102 OCCUPANT AND INSPECTOR SAFETY
187 SECTION D103 GAS PIPING AND CONNECTIONS INSPECTIONS
SECTION D104 INSPECTIONS TO BE PERFORMED WITH THE APPLIANCE NOT OPERATING
188 SECTION D105 INSPECTIONS TO BE PERFORMED WITH THE APPLIANCE OPERATING
189 SECTION D106 APPLIANCE-SPECIFIC INSPECTIONS
191 TABLE D106 CO THRESHOLDS
TABLE D106—continued CO THRESHOLDS
192 APPENDIX E (IFGC) BOARD OF APPEALS
SECTION E101 GENERAL
194 INDEX
198 EDITORIAL CHANGES
200 ADDITIONAL CODE RESOURCES FROM ICC
201 ICC LEARNING CENTER
202 ICC EVALUATION SERVICE
203 PROCTORED REMOTE ONLINE TESTING OPTION (PRONTO™)
ICC IFGC 2021 1stptg
$66.08