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ICC IFGC 2018

ICC IFGC 2018

$57.42

International Fuel Gas Code

Published By Publication Date Number of Pages
ICC 2018 191
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Addresses the design and installation of fuel gas systems and gas fired appliances through prescriptive and performance requirements.

Key changes include:

  • A new Section was added to recognize arc-resistant CSST products.
  • The code now allows Schedule 10 steel pipe to be used, whereas previously, Schedule 40 was the lightest steel pipe material allowed. Schedule 10 steel pipe joints are allowed to be welded, brazed, flanged or assembled with press-connect fittings. Schedule 10 pipe cannot be threaded.
  • The code clarifies that appliance shutoff valves located behind movable appliances, such as ranges and clothes dryers, are considered to be provided with the required access.
  • The code now calls for the plastic vent pipe material to be labeled as complying with the standards for the specific pipe material as called out by the manufacturer.
  • The clearances between direct-vent appliance vent terminals and openings in the building exterior that could allow combustion products to enter the building have been revised.

PDF Catalog

PDF Pages PDF Title
1 2018 IFGC® INTERNATIONAL FUEL GAS CODE®
2 2018 IFGC® TITLE PAGE
3 COPYRIGHT
4 PREFACE
10 EFFECTIVE USE OF THE INTERNATIONAL FUEL GAS CODE
12 TABLE OF CONTENTS
14 CHAPTER 1 SCOPE AND ADMINISTRATION
PART 1—SCOPE AND APPLICATION
SECTION 101 (IFGC) GENERAL
15 SECTION 102 (IFGC) APPLICABILITY
16 PART 2—ADMINISTRATION AND ENFORCEMENT
SECTION 103 (IFGC) DEPARTMENT OF INSPECTION
SECTION 104 (IFGC) DUTIES AND POWERS OF THE CODE OFFICIAL
SECTION 105 (IFGC) APPROVAL
17 SECTION 106 (IFGC) PERMITS
19 SECTION 107 (IFGC) INSPECTIONS AND TESTING
20 SECTION 108 (IFGC) VIOLATIONS
21 SECTION 109 (IFGC) MEANS OF APPEAL
22 SECTION 110 (IFGC) TEMPORARY EQUIPMENT, SYSTEMS AND USES
24 CHAPTER 2 DEFINITIONS
SECTION 201 (IFGC) GENERAL
SECTION 202 (IFGC) GENERAL DEFINITIONS
32 CHAPTER 3 GENERAL REGULATIONS
SECTION 301 (IFGC) GENERAL
33 SECTION 302 (IFGC) STRUCTURAL SAFETY
SECTION 303 (IFGC) APPLIANCE LOCATION
34 SECTION 304 (IFGS) COMBUSTION, VENTILATION AND DILUTION AIR
EQUATION 3-1
EQUATION 3-2
35 FIGURE 304.5.3 ALL AIR FROM INSIDE THE BUILDING (see Section 304.5.3)
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)
36 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)
37 SECTION 305 (IFGC) INSTALLATION
38 SECTION 306 (IFGC) ACCESS AND SERVICE SPACE
40 SECTION 307 (IFGC) CONDENSATE DISPOSAL
SECTION 308 (IFGS) CLEARANCE REDUCTION
41 TABLE 308.2 a through k REDUCTION OF CLEARANCES WITH SPECIFIED FORMS OF PROTECTION
SECTION 309 (IFGC) ELECTRICAL
SECTION 310 (IFGS) ELECTRICAL BONDING
42 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
44 CHAPTER 4 GAS PIPING INSTALLATIONS
SECTION 401 (IFGC) GENERAL
SECTION 402 (IFGS) PIPE SIZING
45 EQUATION 4-1
EQUATION 4-2
TABLE 402.4 Cr AND Y VALUES FOR NATURAL GAS AND UNDILUTED PROPANE AT STANDARD CONDITIONS
46 TABLE 402.4(1) SCHEDULE 40 METALLIC PIPE
47 TABLE 402.4(2) SCHEDULE 40 METALLIC PIPE
48 TABLE 402.4(3) SCHEDULE 40 METALLIC PIPE
49 TABLE 402.4(4) SCHEDULE 40 METALLIC PIPE
50 TABLE 402.4(5) SCHEDULE 40 METALLIC PIPE
51 TABLE 402.4(6) SCHEDULE 40 METALLIC PIPE
52 TABLE 402.4(7) SCHEDULE 40 METALLIC PIPE
53 TABLE 402.4(8) SEMIRIGID COPPER TUBING
54 TABLE 402.4(9) SEMIRIGID COPPER TUBING
55 TABLE 402.4(10) SEMIRIGID COPPER TUBING
56 TABLE 402.4(11) SEMIRIGID COPPER TUBING
57 TABLE 402.4(12) SEMIRIGID COPPER TUBING
58 TABLE 402.4(13) SEMIRIGID COPPER TUBING
59 TABLE 402.4(14) SEMIRIGID COPPER TUBING
60 TABLE 402.4(15) CORRUGATED STAINLESS STEEL TUBING (CSST)
61 TABLE 402.4(16) CORRUGATED STAINLESS STEEL TUBING (CSST)
62 TABLE 402.4(17) CORRUGATED STAINLESS STEEL TUBING (CSST)
63 TABLE 402.4(18) CORRUGATED STAINLESS STEEL TUBING (CSST)
64 TABLE 402.4(19) CORRUGATED STAINLESS STEEL TUBING (CSST)
65 TABLE 402.4(20) POLYETHYLENE PLASTIC PIPE
66 TABLE 402.4(21) POLYETHYLENE PLASTIC PIPE
67 TABLE 402.4(22) POLYETHYLENE PLASTIC PIPE
68 TABLE 402.4(23) POLYETHYLENE PLASTIC TUBING
TABLE 402.4(24) POLYETHYLENE PLASTIC TUBING
69 TABLE 402.4(25) SCHEDULE 40 METALLIC PIPE
70 TABLE 402.4(26) SCHEDULE 40 METALLIC PIPE
71 TABLE 402.4(27) SCHEDULE 40 METALLIC PIPE
72 TABLE 402.4(28) SCHEDULE 40 METALLIC PIPE
73 TABLE 402.4(29) SEMIRIGID COPPER TUBING
74 TABLE 402.4(30) SEMIRIGID COPPER TUBING
75 TABLE 402.4(31) SEMIRIGID COPPER TUBING
76 TABLE 402.4(32) CORRUGATED STAINLESS STEEL TUBING (CSST)
77 TABLE 402.4(33) CORRUGATED STAINLESS STEEL TUBING (CSST)
78 TABLE 402.4(34) CORRUGATED STAINLESS STEEL TUBING (CSST)
79 TABLE 402.4(35) POLYETHYLENE PLASTIC PIPE
80 TABLE 402.4(36) POLYETHYLENE PLASTIC PIPE
81 TABLE 402.4(37) POLYETHYLENE PLASTIC TUBING
82 SECTION 403 (IFGS) PIPING MATERIALS
83 TABLE 403.9.2 SPECIFICATIONS FOR THREADING METALLIC PIPE
84 SECTION 404 (IFGC) PIPING SYSTEM INSTALLATION
86 SECTION 405 (IFGS) PIPING BENDS AND CHANGES IN DIRECTION
87 SECTION 406 (IFGS) INSPECTION, TESTING AND PURGING
88 TABLE 406.7.1.1 SIZE AND LENGTH OF PIPING
89 SECTION 407 (IFGC) PIPING SUPPORT
SECTION 408 (IFGC) DRIPS AND SLOPED PIPING
FIGURE 408.4 METHOD OF INSTALLING A TEE FITTING SEDIMENT TRAP
90 SECTION 409 (IFGC) SHUTOFF VALVES
TABLE 409.1.1 MANUAL GAS VALVE STANDARDS
SECTION 410 (IFGC) FLOW CONTROLS
91 SECTION 411 (IFGC) APPLIANCE AND MANUFACTURED HOME CONNECTIONS
92 SECTION 412 (IFGC) LIQUEFIED PETROLEUM GAS MOTOR VEHICLE FUEL-DISPENSING FACILITIES
94 SECTION 413 (IFGC) COMPRESSED NATURAL GAS MOTOR VEHICLE FUEL-DISPENSING FACILITIES
95 [F] TABLE 413.9.2.3 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
96 SECTION 416 (IFGS) OVERPRESSURE PROTECTION DEVICES
98 CHAPTER 5 CHIMNEYS AND VENTS
SECTION 501 (IFGC) GENERAL
99 SECTION 502 (IFGC) VENTS
100 SECTION 503 (IFGS) VENTING OF APPLIANCES
101 TABLE 503.4 TYPE OF VENTING SYSTEM TO BE USED
103 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
106 TABLE 503.8 THROUGH-THE-WALL, DIRECT-VENT TERMINATION CLEARANCES
TABLE 503.10.2.4 MINIMUM THICKNESS FOR GALVANIZED STEEL VENT CONNECTORS FOR LOW-HEAT APPLIANCES
107 TABLE 503.10.2.5 MINIMUM THICKNESS FOR STEEL VENT CONNECTORS FOR MEDIUM-HEAT APPLIANCES
108 TABLE 503.10.5a CLEARANCES FOR CONNECTORS
109 SECTION 504 (IFGS) SIZING OF CATEGORY I APPLIANCE VENTING SYSTEMS
111 TABLE 504.3.2 MAXIMUM VENT CONNECTOR LENGTH
113 SECTION 505 (IFGC) DIRECT-VENT, INTEGRAL VENT, MECHANICAL VENT AND VENTILATION/EXHAUST HOOD VENTING
114 SECTION 506 (IFGC) FACTORY-BUILT CHIMNEYS
115 TABLE 504.2(1) TYPE B DOUBLE-WALL GAS VENT
116 TABLE 504.2(1)—continued TYPE B DOUBLE-WALL GAS VENT
117 TABLE 504.2(1)—continued TYPE B DOUBLE-WALL GAS VENT
118 TABLE 504.2(1)—continued TYPE B DOUBLE-WALL GAS VENT
119 TABLE 504.2(2) TYPE B DOUBLE-WALL GAS VENT
120 TABLE 504.2(2)—continued TYPE B DOUBLE-WALL GAS VENT
121 TABLE 504.2(3) MASONRY CHIMNEY
122 TABLE 504.2(3)—continued MASONRY CHIMNEY
123 TABLE 504.2(4) MASONRY CHIMNEY
124 TABLE 504.2(4)—continued MASONRY CHIMNEY
125 TABLE 504.2(5) SINGLE-WALL METAL PIPE OR TYPE B ASBESTOS CEMENT VENT
126 TABLE 504.2(6) EXTERIOR MASONRY CHIMNEY
127 TABLE 504.3(1) TYPE B DOUBLE-WALL VENT
128 TABLE 504.3(1)—continued TYPE B DOUBLE-WALL VENT
129 TABLE 504.3(2) TYPE B DOUBLE-WALL VENT
130 TABLE 504.3(3) MASONRY CHIMNEY
131 TABLE 504.3(4) MASONRY CHIMNEY
132 TABLE 504.3(5) SINGLE-WALL METAL PIPE OR TYPE ASBESTOS CEMENT VENT
133 TABLE 504.3(6a) EXTERIOR MASONRY CHIMNEY
TABLE 504.3(6b) EXTERIOR MASONRY CHIMNEY
TABLE 504.3(6b) EXTERIOR MASONRY CHIMNEY—continued
134 TABLE 504.3(7a) EXTERIOR MASONRY CHIMNEY
TABLE 504.3(7b) EXTERIOR MASONRY CHIMNEY
TABLE 504.3(7b) EXTERIOR MASONRY CHIMNEY—continued
136 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
137 SECTION 609 (IFGC) FLOOR FURNACES
SECTION 610 (IFGC) DUCT FURNACES
SECTION 611 (IFGC) NONRECIRCULATING DIRECT-FIRED INDUSTRIAL AIR HEATERS
138 SECTION 612 (IFGC) RECIRCULATING DIRECT-FIRED INDUSTRIAL AIR HEATERS
SECTION 613 (IFGC) CLOTHES DRYERS
SECTION 614 (IFGC) CLOTHES DRYER EXHAUST
139 [M] TABLE 614.8.4.1 DRYER EXHAUST DUCT FITTING EQUIVALENT LENGTH
140 SECTION 615 (IFGC) SAUNA HEATERS
141 SECTION 616 (IFGC) ENGINE AND GAS TURBINE-POWERED EQUIPMENT
SECTION 617 (IFGC) POOL AND SPA HEATERS
SECTION 618 (IFGC) FORCED-AIR WARM-AIR FURNACES
142 SECTION 619 (IFGC) CONVERSION BURNERS
SECTION 620 (IFGC) UNIT HEATERS
SECTION 621 (IFGC) UNVENTED ROOM HEATERS
SECTION 622 (IFGC) VENTED ROOM HEATERS
SECTION 623 (IFGC) COOKING APPLIANCES
143 SECTION 624 (IFGC) WATER HEATERS
SECTION 625 (IFGC) REFRIGERATORS
SECTION 626 (IFGC) GAS-FIRED TOILETS
SECTION 627 (IFGC) AIR-CONDITIONING APPLIANCES
144 SECTION 628 (IFGC) ILLUMINATING APPLIANCES
SECTION 629 (IFGC) SMALL CERAMIC KILNS
145 SECTION 630 (IFGC) INFRARED RADIANT HEATERS
SECTION 631 (IFGC) BOILERS
SECTION 632 (IFGC) EQUIPMENT INSTALLED IN EXISTING UNLISTED BOILERS
SECTION 633 (IFGC) STATIONARY FUEL-CELL POWER SYSTEMS
SECTION 634 (IFGS) CHIMNEY DAMPER OPENING AREA
TABLE 634.1 FREE OPENING AREA OF CHIMNEY DAMPER FOR VENTING FLUE GASES FROM UNLISTED DECORATIVE APPLIANCES FOR INSTALLATION IN VENTED FIREPLACES
SECTION 635 (IFGC) GASEOUS HYDROGEN SYSTEMS
SECTION 636 (IFGC) OUTDOOR DECORATIVE APPLIANCES
146 CHAPTER 7 GASEOUS HYDROGEN SYSTEMS
SECTION 701 (IFGC) GENERAL
SECTION 702 (IFGC) GENERAL DEFINITIONS
SECTION 703 (IFGC) GENERAL REQUIREMENTS
147 SECTION 704 (IFGC) PIPING, USE AND HANDLING
148 SECTION 705 (IFGC) TESTING OF HYDROGEN PIPING SYSTEMS
149 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
150 IFGC/IFGS CHAPTER 8 REFERENCED STANDARDS
ANSI
151 ASME
152 ASTM
153 CGA
CSA
DOTn
ICC
154 MSS
NFPA
UL
156 APPENDIX A (IFGS) SIZING AND CAPACITIES OF GAS PIPING
A.1 GENERAL PIPING CONSIDERATIONS
A.2 DESCRIPTION OF TABLES
157 TABLE A.2.2 EQUIVALENT LENGTHS OF PIPE FITTINGS AND VALVES
158 TABLE A.2.2—continued EQUIVALENT LENGTHS OF PIPE FITTINGS AND VALVES
159 TABLE A.2.4 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
A.3 USE OF CAPACITY TABLES
161 TABLE A.3.4 THOUSANDS OF BTU/H (MBH) OF NATURAL GAS PER 100 FEET OF PIPE AT VARIOUS PRESSURE DROPS AND PIPE DIAMETERS
A.4 USE OF SIZING EQUATIONS
A.5 PIPE AND TUBE DIAMETERS
TABLE A.5.1 SCHEDULE 40 STEEL PIPE STANDARD SIZES
162 TABLE A.5.2 COPPER TUBE STANDARD SIZES
A.6 EXAMPLES OF PIPING SYSTEM DESIGN AND SIZING
163 FIGURE A.6.1 PIPING PLAN SHOWING A STEEL PIPING SYSTEM
FIGURE A.6.2 PIPING PLAN SHOWING A CSST SYSTEM
164 FIGURE A.6.3 PIPING PLAN SHOWING A COPPER TUBING SYSTEM
FIGURE A.6.4 PIPING PLAN SHOWING A MODIFICATION TO EXISTING PIPING SYSTEM
166 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
EXAMPLES USING SINGLE APPLIANCE VENTING TABLES
FIGURE B-1 TYPE B DOUBLE-WALL VENT SYSTEM SERVING A SINGLE APPLIANCE WITH A TYPE B DOUBLE-WALL VENT
FIGURE B-2 TYPE B DOUBLE-WALL VENT SYSTEM SERVING A SINGLE APPLIANCE WITH A SINGLE-WALL METAL VENT CONNECTOR
167 FIGURE B-3 VENT SYSTEM SERVING A SINGLE APPLIANCE WITH A MASONRY CHIMNEY OF TYPE B DOUBLE-WALL VENT CONNECTOR
FIGURE B-4 VENT SYSTEM SERVING A SINGLE APPLIANCE USING A MASONRY CHIMNEY AND A SINGLE-WALL METAL VENT CONNECTOR
FIGURE B-5 ASBESTOS CEMENT TYPE B OR SINGLE-WALL METAL VENT SYSTEM SERVING A SINGLE DRAFT-HOOD-EQUIPPED APPLIANCE
FIGURE B-6 VENT SYSTEM SERVING TWO OR MORE APPLIANCES WITH TYPE B DOUBLE-WALL VENT AND TYPE B DOUBLE-WALL VENT CONNECTOR
168 FIGURE B-7 VENT SYSTEM SERVING TWO OR MORE APPLIANCES WITH TYPE B DOUBLE-WALL VENT AND SINGLE-WALL METAL VENT CONNECTORS
FIGURE B-8 MASONRY CHIMNEY SERVING TWO OR MORE APPLIANCES WITH TYPE B DOUBLE-WALL VENT CONNECTOR
FIGURE B-9 MASONRY CHIMNEY SERVING TWO OR MORE APPLIANCES WITH SINGLE-WALL METAL VENT CONNECTORS
FIGURE B-10 ASBESTOS CEMENT TYPE B OR SINGLE-WALL METAL VENT SYSTEM SERVING TWO OR MORE DRAFT-HOOD-EQUIPPED APPLIANCES
169 FIGURE B-11 USE OF MANIFOLD COMMON VENT CONNECTOR
FIGURE B-12 USE OF OFFSET COMMON VENT
FIGURE B-13 MULTISTORY GAS VENT DESIGN PROCEDURE FOR EACH SEGMENT OF SYSTEM
FIGURE B-14 MULTISTORY VENT SYSTEMS
170 FIGURE B-15 (EXAMPLE 1) SINGLE DRAFT-HOOD-EQUIPPED APPLIANCE
FIGURE B-16 (EXAMPLE 2) SINGLE FAN-ASSISTED APPLIANCE
171 EXAMPLES USING COMMON VENTING TABLES
FIGURE B-17 (EXAMPLE 4) COMMON VENTING TWO DRAFT-HOOD-EQUIPPED APPLIANCES
FIGURE B-18 (EXAMPLE 5A) COMMON VENTING A DRAFT HOOD WITH A FAN-ASSISTED FURNACE INTO A TYPE B DOUBLE-WALL COMMON VENT
173 TABLE B-1 MASONRY CHIMNEY LINER DIMENSIONS WITH CIRCULAR EQUIVALENTSa
174 FIGURE B-19
176 APPENDIX C (IFGS) EXIT TERMINALS OF MECHANICAL DRAFT AND DIRECT-VENT VENTING SYSTEMS
APPENDIX C EXIT TERMINALS OF MECHANICAL DRAFT AND DIRECT-VENT VENTING SYSTEMS
178 APPENDIX D (IFGS) RECOMMENDED PROCEDURE FOR SAFETY INSPECTION OF AN EXISTING APPLIANCE INSTALLATION
D.1 GENERAL
D.2 OCCUPANT AND INSPECTOR SAFETY
179 D.3 GAS PIPING AND CONNECTION INSPECTIONS
D.4 INSPECTIONS TO BE PERFORMED WITH THE APPLIANCE NOT OPERATING
180 D.5 INSPECTIONS TO BE PERFORMED WITH THE APPLIANCE OPERATING
181 D.6 APPLIANCE-SPECIFIC INSPECTIONS
182 TABLE D.6 CO THRESHOLDS
184 INDEX
188 ICC MEMBERSHIP – BENEFITS THAT WORK FOR YOU
189 ICC EVALUATION SERVICE
190 ICCPLAN REVIEW SERVICES
191 VALUABLE GUIDES TO CHANGES IN THE 2018 I-CODES®

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