ICC IFGC Commentary 2021 1stptg
$68.79
International Fuel Gas Code and Commentary
| Published By | Publication Date | Number of Pages |
| ICC | 2021 | 429 |
A practical tool that helps you to master the code you deal with every day!This comprehensive publication provides a convenient reference for regulations in the 2021 International Fuel Gas Code® (IFGC®). Presented in an easy-to-reference format the commentary includes the full text of the code, including tables and figures, followed by corresponding commentary at the end of each section in one document. Every chapter begins with “General Comments” and “Purpose” sections followed by code and commentary to subsequent sections, tables and figures. This in-depth publication focuses on providing the full meaning and implications of the 2021 IFGC®. The commentaries are designed to suggest the most effective method of application, and the consequences of not adhering to the code. This is an excellent reference for code officials, engineers, architects, inspectors, plans examiners, contractors and anyone who needs a better understanding of the 2021 IFGC®.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | 2021 IFGC® CODE AND COMMENTARY |
| 2 | 2021 IFGC® CODE AND COMMENTARY TITLE PAGE |
| 3 | COPYRIGHT |
| 4 | PREFACE |
| 6 | TABLE OF CONTENTS |
| 8 | CHAPTER 1: SCOPE AND ADMINISTRATION GENERAL COMMENTS PURPOSE PART 1—SCOPE AND APPLICATION SECTION 101 (IFGC) SCOPE AND GENERAL REQUIREMENTS |
| 10 | SECTION 102 (IFGC) APPLICABILITY |
| 12 | PART 2—ADMINISTRATION AND ENFORCEMENT SECTION 103 (IFGC) CODE COMPLIANCE AGENCY |
| 13 | SECTION 104 (IFGC) DUTIES AND POWERS OF THE CODE OFFICIAL |
| 15 | SECTION 105 (IFGC) APPROVAL |
| 16 | SECTION 106 (IFGC) PERMITS |
| 19 | SECTION 107 (IFGC) CONSTRUCTION DOCUMENTS |
| 20 | SECTION 108 (IFGC) NOTICE OF APPROVAL SECTION 109 (IFGC) FEES |
| 21 | SECTION 110 (IFGC) SERVICE UTILITIES SECTION 111 (IFGC) TEMPORARY EQUIPMENT, SYSTEMS AND USES |
| 22 | SECTION 112 (IFGC) INSPECTIONS AND TESTING |
| 24 | SECTION 113 (IFGC) MEANS OF APPEAL |
| 25 | SECTION 114 (IFGC) BOARD OF APPEALS SECTION 115 (IFGC) VIOLATIONS |
| 26 | SECTION 116 (IFGC) STOP WORK ORDER |
| 28 | CHAPTER 2: DEFINITIONS GENERAL COMMENTS PURPOSE SECTION 201 (IFGC) GENERAL SECTION 202 (IFGC) GENERAL DEFINITIONS |
| 29 | COMMENTARY FIGURE 202(1) ANODELESS RISERS |
| 31 | COMMENTARY FIGURE 202(2) BAROMETRIC DRAFT REGULATOR |
| 32 | COMMENTARY FIGURE 202(3) LABEL FOR LOW-PRESSURE BOILER |
| 33 | COMMENTARY FIGURE 202(4) FACTORY-BUILT CHIMNEYS COMMENTARY FIGURE 202(5) AIR-COOLED FACTORY-BUILT CHIMNEY SECTION |
| 36 | COMMENTARY FIGURE 202(6) DIRECT-VENT APPLIANCE COMMENTARY FIGURE 202(7) DIRECT-VENT APPLIANCE |
| 37 | COMMENTARY FIGURE 202(8) DRAFT-HOOD-EQUIPPED APPLIANCE |
| 40 | COMMENTARY FIGURE 202(9) CHIMNEY FLUE LINER SYSTEM FOR GAS APPLIANCE |
| 41 | COMMENTARY FIGURE 202(10) GAS CONVENIENCE OUTLET COMMENTARY FIGURE 202(11) GAS CONVENIENCE OUTLET |
| 43 | COMMENTARY FIGURE 202(12) TYPCIAL APPLIANCE LABEL |
| 44 | COMMENTARY FIGURE 202(13) TYPICAL RESIDENTIAL GAS METER SETTING |
| 45 | COMMENTARY FIGURE 202(14) VENT OFFSET |
| 46 | COMMENTARY FIGURE 202(15) OXYGEN DEPLETION SAFETY SHUTOFF |
| 47 | COMMENTARY FIGURE 202(16) QUICK-DISCONNECT DEVICE |
| 48 | COMMENTARY FIGURE 202(17) SERVICE REGULATOR |
| 49 | COMMENTARY FIGURE 202(18) UNVENTED ROOM HEATER |
| 50 | COMMENTARY FIGURE 202(19) SERVICE METER ASSEMBLY |
| 51 | COMMENTARY FIGURE 202(20) TRANSITION FITTINGS |
| 52 | COMMENTARY FIGURE 202(21) TYPE B VENT |
| 54 | BIBLIOGRAPHY |
| 56 | CHAPTER 3: GENERAL REGULATIONS GENERAL COMMENTS PURPOSE SECTION 301 (IFGC) GENERAL |
| 58 | COMMENTARY FIGURE 301.5(1) TYPCIAL LABEL FOR A CATEGORY I GAS-FIRED FURNACE |
| 59 | COMMENTARY FIGURE 301.5(2) ROOFTOP HVAC UNIT LABEL |
| 61 | SECTION 302 (IFGC) STRUCTURAL SAFETY |
| 62 | COMMENTARY FIGURE 302.3.2(1) CUTTING, NOTCHING AND BORING IN JOIST COMMENTARY FIGURE 302.3.2(2) BORING JOISTS |
| 63 | COMMENTARY FIGURE 302.3.3 CUTTING AND NOTCHING OF STUDS |
| 64 | SECTION 303 (IFGC) APPLIANCE LOCATION |
| 65 | COMMENTARY FIGURE 303.3(1) UNVENTED WALL-MOUNTED ROOM HEATER |
| 66 | COMMENTARY FIGURE 303.3(2) APPLIANCE ENCLOSURE |
| 67 | COMMENTARY FIGURE 303.3(3) GAS-FIRED CLOTHES DRYER IN BATHROOMS |
| 68 | COMMENTARY FIGURE 303.4 APPLIANCE PROTECTED FROM VEHICLE IMPACT SECTION 304 (IFGS) COMBUSTION, VENTILATION AND DILUTION AIR |
| 69 | COMMENTARY FIGURE 304.1(1) THE CHEMISTRY OF IDEAL COMBUSTION COMMENTARY FIGURE 304.1(2) THE CHEMISTRY OF INCOMPLETE COMBUSTION |
| 70 | COMMENTARY FIGURE 304.1(3) COMBUSTION AIR SUPPLY METHODS |
| 71 | COMMENTARY FIGURE 304.1(4) DIRECT-VENT APPLIANCE |
| 72 | COMMENTARY FIGURE 304.1(5) DIRECT COMBUSTION AIR CONNECTION TO THE OUTDOORS COMMENTARY FIGURE 304.1(6) BOILER WITH POWER BURNER |
| 73 | COMMENTARY FIGURE 304.4 DEPLETION OF COMBUSTION AIR |
| 74 | EQUATION 3-1 EQUATION 3-2 |
| 75 | FIGURE 304.5.3 ALL AIR FROM INSIDE THE BUILDING |
| 76 | COMMENTARY FIGURE 304.5.2 CALCULATED VOLUMES |
| 77 | COMMENTARY FIGURE 304.5.3.2 COMBINING SPACES IN DIFFERENT STORIES |
| 78 | FIGURE 304.6.1(1) ALL AIR FROM OUTDOORS—INLET AIR FROM VENTILATED CRAWL SPACE AND OUTLET AIR TO VENTILATED ATTIC |
| 79 | FIGURE 304.6.1(2) ALL AIR FROM OUTDOORS THROUGH VENTILATED ATTIC FIGURE 304.6.1(3) ALL AIR FROM OUTDOORS FIGURE 304.6.2 SINGLE COMBUSTION AIR OPENING, ALL AIR FROM THE OUTDOORS |
| 81 | COMMENTARY FIGURE 304.7.3 ROOM CONFIGURATION USED IN EXAMPLE 2 |
| 82 | COMMENTARY FIGURE 304.8(1) MECHANICAL COMBUSTION AIR/MAKEUP AIR SUPPLY SYSTEM COMMENTARY FIGURE 304.8(2) MECHANICAL COMBUSTION AIR SUPPLY SYSTEM |
| 83 | COMMENTARY FIGURE 304.8(3) MECHANICAL COMBUSTION AIR/MAKEUP AIR SUPPLY SYSTEM |
| 84 | COMMENTARY FIGURE 304.9 MECHANICALLY SUPPLIED COMBUSTION AIR COMMENTARY FIGURE 304.9.2 SIMPLIFIED EXAMPLE SCHEMATIC OF INTERLOCK BETWEEN APPLIANCE AND POWER COMBUSTION AIR UNIT |
| 86 | COMMENTARY FIGURE 304.10 SIMPLIFIED EXAMPLE SCHEMATIC OF COMBUSTION AIR DAMPER/APPLIANCE INTERLOCK COMMENTARY FIGURE 304.11 COMMON DUCT PROHIBITED |
| 87 | SECTION 305 (IFGC) INSTALLATION |
| 89 | COMMENTARY FIGURE 305.3(1) GAS-FIRED WATER HEATER INSTALLATION IN A GARAGE COMMENTARY FIGURE 305.3(2) SOURCES OF IGNITION ELEVATED IN PRIVATE GARAGE |
| 90 | COMMENTARY FIGURE 305.3(3) GARAGE SPACE VS. LIVING SPACE COMMENTARY FIGURE 305.3(4) EXAMPLE OF FLAMMABLE VAPOR IGNITION-RESISTANT WATER HEATER TECHNOLOGY COMMENTARY FIGURE 305.3(5) EXAMPLE OF FLAMMABLE VAPOR IGNITION-RESISTANT WATER HEATER TECHNOLOGY |
| 91 | COMMENTARY FIGURE 305.3(6) EXAMPLE OF FLAMMABLE VAPOR IGNITION RESISTANT WATER HEATER TECHNOLOGY COMMENTARY FIGURE 305.3.1 ELEVATION OF APPLIANCES NOT REQUIRED |
| 93 | COMMENTARY FIGURE 305.5(1) SUSPENDED UNIT HEATER COMMENTARY FIGURE 305.5(2) PROTECTED BY WALLS |
| 94 | COMMENTARY FIGURE 305.5(3) PROTECTED BY GUARDS COMMENTARY FIGURE 305.5(4) PROTECTED BY A PLATFORM |
| 95 | COMMENTARY FIGURE 305.5(5) PROTECTED BY A CURB STOP SECTION 306 (IFGC) ACCESS AND SERVICE SPACE |
| 97 | COMMENTARY FIGURE 306.3 ATTIC FURNACE INSTALLATION |
| 98 | COMMENTARY FIGURE 306.4 CRAWL SPACE FURNACE INSTALLATION |
| 99 | COMMENTARY FIGURE 306.5 APPLIANCE ACCESS |
| 100 | COMMENTARY FIGURE 306.5.1 ROOFTOP HVAC UNIT WITH WORK PLATFORM |
| 101 | COMMENTARY FIGURE 306.6(1) GUARDS |
| 102 | COMMENTARY FIGURE 306.6(2) ROOF PLAN VIEW SECTION 307 (IFGC) CONDENSATE DISPOSAL |
| 103 | COMMENTARY FIGURE 307.2 LABELING OF CONCEALED CONDENSATE PIPING TERMINATION |
| 104 | COMMENTARY FIGURE 307.4 AUXILIARY DRAIN PAN REQUIRED (WITH OR WITHOUT COOLING COIL) |
| 105 | SECTION 308 (IFGS) CLEARANCE REDUCTION COMMENTARY FIGURE 307.6 CONDENSATE PUMP |
| 106 | COMMENTARY FIGURE 308.1 CLEARANCE TO COMBUSTIBLES—EXAMPLES OF HOW TO MEASURE |
| 107 | TABLE 308.2 REDUCTION OF CLEARANCES WITH SPECIFIED FORMS OF PROTECTION |
| 108 | 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 |
| 109 | COMMENTARY FIGURE 308.2 REDUCED CLEARANCE TO COMBUSTIBLES |
| 110 | SECTION 309 (IFGC) ELECTRICAL |
| 111 | SECTION 310 (IFGS) ELECTRICAL BONDING |
| 112 | COMMENTARY FIGURE 310.1 GAS PIPE BONDING BY APPLIANCE BRANCH CIRCUIT |
| 113 | COMMENTARY FIGURE 310.2(1) CSST BONDING COMMENTARY FIGURE 310.2(2) ALTERNATIVE LOCATION FOR BONDING CLAMP |
| 114 | COMMENTARY FIGURE 310.2.1 POINT OF CONNECTION |
| 115 | COMMENTARY FIGURE 310.2.3 GROUNDING ELECTRODES FOR CSST BONDING BIBLIOGRAPHY |
| 116 | COMMENTARY FIGURE 310.3(1) NON-ARC-RESISTANT CSST COMMENTARY FIGURE 310.3(2) ARC-RESISTANT CSST |
| 118 | CHAPTER 4: GAS PIPING INSTALLATIONS GENERAL COMMENTS COMMENTARY FIGURE 400 GAS FLAMMABILITY LIMITS PURPOSE |
| 119 | SECTION 401 (IFGC) GENERAL COMMENTARY FIGURE 401.1(1) SCOPE OF CODES |
| 120 | COMMENTARY FIGURE 401.1(2) TYPICAL POINT OF DELIVERY FOR NATURAL GAS SERVICE |
| 122 | SECTION 402 (IFGS) PIPE SIZING |
| 123 | EQUATION 4-1 EQUATION 4-2 |
| 124 | TABLE 402.4Cr AND Y VALUES FOR NATURAL GAS AND UNDILUTED PROPANE AT STANDARD CONDITIONS COMMENTARY FIGURE 402.4 GAS PIPING LAYOUT |
| 125 | COMMENTARY FIGURE 402.4.1 STEEL PIPE BRANCH SYSTEM FOR ROOFTOP UNITS |
| 126 | COMMENTARY FIGURE 402.4.2(1) BRANCH PIPING SYSTEM WITH SCHEDULE 40 STEEL PIPE TRUNKLINE AND CSST BRANCHES COMMENTARY FIGURE 402.4.2(2) SINGLE PRESSURE CSST MANIFOLD SYSTEM |
| 129 | COMMENTARY FIGURE 402.4.3(1) HYBRID PRESSURE BRANCH SYSTEM |
| 130 | COMMENTARY FIGURE 402.4.3(2) HYBRID PRESSURE PARALLEL DISTRIBUTION SYSTEM |
| 131 | COMMENTARY FIGURE 402.7 PRESS-CONNECT FITTING WITH BITE RING USED WITH SCH 40 AND SCH 10 STEEL PIPE |
| 132 | TABLE 402.4(1) SCHEDULE 40 METALLIC PIPE |
| 133 | TABLE 402.4(2) SCHEDULE 40 METALLIC PIPE |
| 134 | TABLE 402.4(3) SCHEDULE 40 METALLIC PIPE |
| 135 | TABLE 402.4(4) SCHEDULE 40 METALLIC PIPE |
| 136 | TABLE 402.4(5) SCHEDULE 40 METALLIC PIPE |
| 137 | TABLE 402.4(6) SCHEDULE 40 METALLIC PIPE |
| 138 | TABLE 402.4(7) SCHEDULE 40 METALLIC PIPE |
| 139 | TABLE 402.4(8) SEMIRIGID COPPER TUBING |
| 140 | TABLE 402.4(9) SEMIRIGID COPPER TUBING |
| 141 | TABLE 402.4(10) SEMIRIGID COPPER TUBING |
| 142 | TABLE 402.4(11) SEMIRIGID COPPER TUBING |
| 143 | TABLE 402.4(12) SEMIRIGID COPPER TUBING |
| 144 | TABLE 402.4(13) SEMIRIGID COPPER TUBING |
| 145 | TABLE 402.4(14) SEMIRIGID COPPER TUBING |
| 146 | TABLE 402.4(15) CORRUGATED STAINLESS STEEL TUBING (CSST) |
| 147 | TABLE 402.4(16) CORRUGATED STAINLESS STEEL TUBING (CSST) |
| 148 | TABLE 402.4(17) CORRUGATED STAINLESS STEEL TUBING (CSST) |
| 149 | TABLE 402.4(18) CORRUGATED STAINLESS STEEL TUBING (CSST) |
| 150 | TABLE 402.4(19) CORRUGATED STAINLESS STEEL TUBING (CSST) |
| 151 | TABLE 402.4(20) POLYETHYLENE PLASTIC PIPE |
| 152 | TABLE 402.4(21) POLYETHYLENE PLASTIC PIPE |
| 153 | TABLE 402.4(22) POLYETHYLENE PLASTIC PIPE |
| 154 | TABLE 402.4(23) POLYETHYLENE PLASTIC TUBING TABLE 402.4(24) POLYETHYLENE PLASTIC TUBING |
| 155 | TABLE 402.4(25) SCHEDULE 40 METALLIC PIPE |
| 156 | TABLE 402.4(26) SCHEDULE 40 METALLIC PIPE |
| 157 | TABLE 402.4(27) SCHEDULE 40 METALLIC PIPE |
| 158 | TABLE 402.4(28) SCHEDULE 40 METALLIC PIPE |
| 159 | TABLE 402.4(29) SEMIRIGID COPPER TUBING |
| 160 | TABLE 402.4(30) SEMIRIGID COPPER TUBING |
| 161 | TABLE 402.4(31) SEMIRIGID COPPER TUBING |
| 162 | TABLE 402.4(32) CORRUGATED STAINLESS STEEL TUBING (CSST) |
| 163 | TABLE 402.4(33) CORRUGATED STAINLESS STEEL TUBING (CSST) |
| 164 | TABLE 402.4(34) CORRUGATED STAINLESS STEEL TUBING (CSST) |
| 165 | TABLE 402.4(35) POLYETHYLENE PLASTIC PIPE |
| 166 | TABLE 402.4(36) POLYETHYLENE PLASTIC PIPE |
| 167 | TABLE 402.4(37) POLYETHYLENE PLASTIC TUBING |
| 168 | SECTION 403 (IFGS) PIPING MATERIALS |
| 169 | COMMENTARY FIGURE 403.4 PLASTIC-SHEATHED COPPER TUBING COMMENTARY FIGURE 403.4.5(1) CSST AND SYSTEM COMPONENTS |
| 170 | COMMENTARY FIGURE 403.4.5(2) CSST FITTING COMMENTARY FIGURE 403.4.5(3) CSST FITTING COMMENTARY FIGURE 403.4.5(4) CSST FITTING COMMENTARY FIGURE 403.4.5(5) MULTIPORT MANIFOLD INSTALLATION USING CSST COMMENTARY FIGURE 403.4.5(6) TOP PLATE TUBING PROTECTION SHIELD |
| 171 | COMMENTARY FIGURE 403.4.5(7) LOW-PRESSURE GAS PIPING SYSTEM USING CSST COMMENTARY FIGURE 403.4.5(8) MEDIUM-PRESSURE GAS PIPING SYSTEM USING CSST |
| 172 | COMMENTARY FIGURE 403.4.5(9) CSST MANUFACTURED FOR UNDERGROUND INSTALLATION |
| 173 | COMMENTARY FIGURE 403.4.5(10) EXCERPT FROM CSST MANUFACTURER’S INSTALLATION INSTRUCTIONS COMMENTARY FIGURE 403.4.5(11) EXCERPT FROM CSST MANUFACTURER’S INSTALLATION INSTRUCTIONS COMMENTARY FIGURE 403.4.5(12) MANIFOLD FOR 2 PSI PARALLEL DISTRIBUTION SYSTEM COMMENTARY FIGURE 403.4.5(13) “STUB-OUT” TERMINATION TRANSITION FITTING |
| 174 | COMMENTARY FIGURE 403.4.5(14) “VALVE BOX” TERMINATION TRANSITION FITTING COMMENTARY FIGURE 403.4.5(15) TERMINATION TRANSITION FITTING COMMENTARY FIGURE 403.5 APPROVED POLYETHYLENE GAS PIPING WITH MARKINGS IN ACCORDANCE WITH THE CODE AND ASTM D2513 |
| 175 | COMMENTARY FIGURE 403.5.1(1) SERVICE HEAD ADAPTERS COMMENTARY FIGURE 403.5.1(2) SERVICE HEAD ADAPTERS |
| 176 | COMMENTARY FIGURE 403.5.1(3) FLEXIBLE ANODELESS RISER |
| 177 | COMMENTARY FIGURE 403.8 TAPERED THREAD COUPLING IN CONNECTION TO FURNACE TABLE 403.8.2 SPECIFICATIONS FOR THREADING METALLIC PIPE |
| 178 | COMMENTARY FIGURE 403.8.3 THREADED JOINT PIPE TAPE COMMENTARY FIGURE 403.9.2 PRESS-CONNECT COPPER FITTING |
| 180 | COMMENTARY FIGURE 403.9.5(1) METER SETTING COMMENTARY FIGURE 403.9.5(2) ELBOW WITH DRILLED AND TAPPED HOLE |
| 181 | COMMENTARY FIGURE 403.10(1) MECHANICAL JOINTS COMMENTARY FIGURE 403.10(2) MECHANICAL JOINT COMMENTARY FIGURE 403.10(3) PLASTIC PIPE TRANSITION FITTING |
| 182 | COMMENTARY FIGURE 403.10(4) PLASTIC PIPE TRANSITION FITTING COMMENTARY FIGURE 403.11 FLANGED JOINTS |
| 183 | SECTION 404 (IFGC) PIPING SYSTEM INSTALLATION |
| 184 | COMMENTARY FIGURE 404.3 PROHIBITED TOWNHOUSE INSTALLATION |
| 185 | COMMENTARY FIGURE 404.5 THREADED FITTINGS PERMITTED IN CONCEALED SPACES COMMENTARY FIGURE 404.6 ABOVE GRADE ENTRANCE/EXIT |
| 186 | COMMENTARY FIGURE 404.7 PIPE PROTECTION |
| 187 | COMMENTARY FIGURE 404.8 PIPING IN SOLID FLOORS |
| 188 | COMMENTARY FIGURE 404.8.2 PIPE UNDER SLAB BETWEEN INTERIOR POINTS COMMENTARY FIGURE 404.10 LP-GAS PIPING ISOLATION |
| 190 | COMMENTARY FIGURE 404.12 MINIMUM BURIAL DEPTH |
| 191 | COMMENTARY FIGURE 404.14(1) UNDERGROUND CSST COMMENTARY FIGURE 404.14(2) GAS PIPING LISTED FOR INSTALLATION BENEATH BUILDINGS COMMENTARY FIGURE 404.14(4) UNDERGROUND CSST |
| 192 | COMMENTARY FIGURE 404.14(3) UNDERGROUND CSST |
| 193 | COMMENTARY FIGURE 404.17.1 PIPING UNDER SLABS |
| 194 | SECTION 405 (IFGS) PIPING BENDS AND CHANGES IN DIRECTION SECTION 406 (IFGS) INSPECTION, TESTING AND PURGING |
| 195 | COMMENTARY FIGURE 406.1.4 PIPING ISOLATION ARRANGEMENT FOR TESTING |
| 196 | COMMENTARY FIGURE 406.3.3 MANUFACTURER’S WARNING REGARDING PRESSURE TESTING OF GAS PIPING |
| 197 | COMMENTARY FIGURE 406.4(1) TYPICAL TEST SET-UP FOR AIR PRESSURE TESTING COMMENTARY FIGURE 406.4(2) ELECTRONIC PRESSURE GAUGE |
| 198 | COMMENTARY FIGURE 406.4(3) LEAK DETECTOR INSTRUMENT COMMENTARY FIGURE 406.4(4) ELECTRONIC LEAK DETECTOR INSTRUMENT |
| 201 | TABLE 406.7.1.1 SIZE AND LENGTH OF PIPING |
| 203 | SECTION 407 (IFGC) PIPING SUPPORT SECTION 408 (IFGC) DRIPS AND SLOPED PIPING |
| 204 | FIGURE 408.4 METHOD OF INSTALLING A TEE FITTING SEDIMENT TRAP COMMENTARY FIGURE 408.4(1) EFFECTIVE SEDIMENT TRAP COMMENTARY FIGURE 408.4(2) LESS EFFECTIVE OR INEFFECTIVE SEDIMENT TRAP CONFIGURATION |
| 205 | SECTION 409 (IFGC) SHUTOFF VALVES COMMENTARY FIGURE 409.1.1(1) TYPICAL BALL-TYPE GAS SHUTOFF VALVE COMMENTARY FIGURE 409.1.1(2) BALL-TYPE GAS SHUTOFF VALVE DESIGNED TO MATE WITH A CONNECTOR TABLE 409.1.1 MANUAL GAS VALVE STANDARDS |
| 207 | COMMENTARY FIGURE 409.5.1 ACCESS TO SHUTOFF VALVES FOR MOVABLE APPLIANCES |
| 208 | SECTION 410 (IFGC) FLOW CONTROLS |
| 209 | COMMENTARY FIGURE 409.7 SHUTOFF VALVE SUPPORT FOR TUBING SYSTEMS COMMENTARY FIGURE 410.1(1) GAS PRESSURE REGULATORS |
| 210 | COMMENTARY FIGURE 410.1(2) SERVICE REGULATOR COMMENTARY FIGURE 410.1(3) GAS PRESSURE REGULATOR COMMENTARY FIGURE 410.1(4) SYSTEM PRESSURES |
| 211 | COMMENTARY FIGURE 410.2(1) SYSTEM PRESSURES COMMENTARY FIGURE 410.2(2) PRESSURE REGULATOR/OVERPRESSURE PROTECTION DEVICE ASSEMBLIES |
| 212 | COMMENTARY FIGURE 410.2(3) AT LEAST ONE UNION, INSTALLED UPSTREAM OR DOWNSTREAM, IS REQUIRED FOR AN MP REGULATOR CONNECTED TO RIGID PIPING COMMENTARY FIGURE 410.2(4) MP REGULATOR AND APPLIANCE PRESSURE TEST PORT |
| 213 | COMMENTARY FIGURE 410.3(1) REGULATOR WITH VENT PROTECTION COMMENTARY FIGURE 410.3(2) PRESSURE REGULATOR WITH VENT-LIMITING DEVICE |
| 214 | COMMENTARY FIGURE 410.4 EXAMPLE OF EXCESS FLOW VALVE SECTION 411 (IFGC) APPLIANCE AND MANUFACTURED HOME CONNECTIONS |
| 215 | COMMENTARY FIGURE 411.1(1) PIPING SYSTEM SIZING AND APPLIANCE CONNECTION AND CONNECTOR SIZING COMMENTARY FIGURE 411.1(2) QUICK-DISCONNECT DEVICE FOR USE WITH COMMERCIAL APPLIANCE CONNECTORS COMMENTARY FIGURE 411.1(3) QUICK-DISCONNECT DEVICE FOR USE WITH COMMERCIAL APPLIANCE CONNECTORS |
| 216 | COMMENTARY FIGURE 411.1(4) CSST DIRECTLY CONNECTED TO NONMOVEABLE APPLIANCE COMMENTARY FIGURE 411.1(5) CSST TERMINATED AT APPLIANCE LOCATION |
| 217 | COMMENTARY FIGURE 411.1(6) SEMIRIGID (FLEXIBLE) APPLIANCE CONNECTOR COMMENTARY FIGURE 411.1(7) OUTDOOR MOBILE HOME CONNECTOR COMMENTARY FIGURE 411.1(8) NATURAL GAS HOSE AND CONNECTOR FOR PORTABLE OUTDOOR GAS APPLIANCES |
| 218 | COMMENTARY FIGURE 411.1.1(1) COMMERCIAL COOKING APPLIANCE CONNECTOR WITH TRAVEL RESTRAINT COMMENTARY FIGURE411.1.1(2) COMMERCIAL COOKING APPLIANCE CONNECTOR WITH TRAVEL RESTRAINT COMMENTARY FIGURE 411.1.1(3) COMMERCIAL COOKING APPLIANCE FUEL CONNECTORS COMMENTARY FIGURE 411.1.1(4) COMMERCIAL COOKING APPLIANCE FUEL CONNECTORS |
| 220 | COMMENTARY FIGURE 411.1.3.1(1) APPLIANCE FUEL CONNECTOR COMMENTARY FIGURE 411.1.3.1(2) APPLIANCE FUEL CONNECTOR |
| 221 | COMMENTARY FIGURE 411.1.3.3 CONNECTOR PIPING DOWNSTREAM OF SHUTOFF VALVE |
| 222 | COMMENTARY FIGURE 411.3(1) EXAMPLE OF ONE MANUFACTURER’S INSTALLATION INSTRUCTIONS COMMENTARY FIGURE 411.3(2) END VIEW OF FIGURE 411.3(1) |
| 223 | SECTION 412 (IFGC) LIQUEFIED PETROLEUM GAS MOTOR VEHICLE FUEL-DISPENSING FACILITIES |
| 224 | SECTION 413 (IFGC) COMPRESSED NATURAL GAS MOTOR VEHICLE FUEL-DISPENSING FACILITIES |
| 227 | [F] TABLE 413.10.2.3 SEPARATION DISTANCE FOR ATMOSPHERIC VENTING OF CNG SECTION 414 (IFGC) SUPPLEMENTAL AND STANDBY GAS SUPPLY |
| 228 | SECTION 415 (IFGS) PIPING SUPPORT INTERVALS TABLE 415.1 SUPPORT OF PIPING SECTION 416 (IFGS) OVERPRESSURE PROTECTION DEVICES |
| 230 | BIBLIOGRAPHY |
| 232 | CHAPTER 5: CHIMNEYS AND VENTS GENERAL COMMENTS PURPOSE SECTION 501 (IFGC) GENERAL |
| 233 | COMMENTARY FIGURE 501.6 VENT DESIGNED FOR CATEGORY III AND IV (POSITIVE PRESSURE) APPLICATIONS |
| 236 | COMMENTARY FIGURE 501.13(1) MASONRY CHIMNEY RELINING SYSTEM COMMENTARY FIGURE 501.13(2) MASONRY CHIMNEY RELINING SYSTEM COMMENTARY FIGURE 501.13(3) MASONRY CHIMNEY RELINING BY INSTALLATION OF TYPE B VENT SYSTEM COMMENTARY FIGURE 501.13(4) MASONRY CHIMNEY RELINING SYSTEM |
| 237 | COMMENTARY FIGURE 501.14 SPECIAL VENT SYSTEM FOR CATEGORY II, III and IV APPLIANCES COMMENTARY FIGURE 501.15.1 APPLIANCE REPLACEMENTS AFFECTING EXISTING APPLIANCES |
| 238 | SECTION 502 (IFGC) VENTS |
| 239 | COMMENTARY FIGURE 502.1(1) CATEGORY I FAN-ASSISTED FURNACE COMMENTARY FIGURE 502.1(2) CATEGORY IV APPLIANCE (FURNACE) |
| 240 | COMMENTARY FIGURE 502.1(3) TYPE B GAS VENT SERVING TWO CATEGORY I APPLIANCES COMMENTARY FIGURE 502.1(4) TYPE B VENT SECTIONS WITH AIR SPACE BETWEEN PIPE WALLS |
| 241 | COMMENTARY FIGURE 502.7 PLAN VIEW OF STUD WALL |
| 242 | COMMENTARY FIGURE 502.7.1(1) DOOR SWING COMMENTARY FIGURE 502.7.1(2) DOOR SWING SECTION 503 (IFGS) VENTING OF APPLIANCES |
| 243 | COMMENTARY FIGURE 503.2.3(1) DIRECT-VENT APPLIANCE COMMENTARY FIGURE 503.2.3(2) DIRECT-VENT (SEPARATED COMBUSTION) UNIT HEATERS |
| 244 | COMMENTARY FIGURE 503.2.3(3) EXAMPLE OF MANUFACTURER’S DETAIL FOR DIRECT-VENT APPLIANCE CONCENTRIC VENT-AIR INTAKE TERMINAL COMMENTARY FIGURE 503.2.3(4) DIRECT-VENT APPLIANCES COMMENTARY FIGURE 503.2.3(5) GRAVITY DIRECT-VENT WATER HEATER COMMENTARY FIGURE 503.2.3(6) DIRECT-VENT SYSTEM COMPONENTS |
| 245 | COMMENTARY FIGURE 503.2.4(1) HOT WATER BOILER WITH INTEGRAL VENT FOR OUTDOOR INSTALLATION COMMENTARY FIGURE 503.2.4(2) OUTDOOR DUCT FURNACE WITH INTEGRAL POWER VENTING COMMENTARY FIGURE 503.2.4(3) ROOFTOP HVAC UNIT WITH INTEGRAL POWER VENT COMMENTARY FIGURE 503.2.4(2) OUTDOOR DUCT FURNACE WITH INTEGRAL POWER VENTING |
| 246 | COMMENTARY FIGURE 503.3.3(1) VERTICAL DRAFT INDUCER COMMENTARY FIGURE 503.3.3(2) HORIZONTAL POWER EXHAUSTER COMMENTARY FIGURE 503.3.3(3) HORIZONTAL POWER EXHAUSTERS |
| 247 | COMMENTARY FIGURE 503.3.3(4) VERTICAL POWER EXHAUSTERS COMMENTARY FIGURE 503.3.3(5) VERTICAL POWER EXHAUSTERS COMMENTARY FIGURE 503.3.3(6) POWER EXHAUSTER OUTDOOR TERMINAL-TYPE UNIT COMMENTARY FIGURE 503.3.3(7) EXHAUSTER AND CONTROL PACKAGE COMMENTARY FIGURE 503.3.3(8) TYPICAL POWER EXHAUSTER |
| 248 | COMMENTARY FIGURE 503.3.3(9) TYPICAL EXHAUSTER APPLICATIONS COMMENTARY FIGURE 503.3.3(10) DRAFT INDUCER COMMENTARY FIGURE 503.3.3(11) DRAFT INDUCER |
| 249 | COMMENTARY FIGURE 503.3.3(12) POWER-VENTED WATER HEATER COMMENTARY FIGURE 503.3.3(13) DRAFT CONDITIONS WITH EQUIPMENT BURNER-INLET BLOWER |
| 250 | COMMENTARY FIGURE 503.3.3(14) SIMPLIFIED SAMPLE INTERLOCK CIRCUIT DIAGRAM FOR APPLIANCE SERVED BY POWER EXHAUSTER |
| 251 | COMMENTARY FIGURE 503.3.6 VENTS THROUGH AIR PLENUMS |
| 252 | TABLE 503.4 TYPE OF VENTING SYSTEM TO BE USED COMMENTARY FIGURE 503.4 DETERMINING VENT HEIGHT |
| 253 | COMMENTARY FIGURE 503.4.1(1) DIRECT-VENT APPLIANCE COMMENTARY FIGURE 503.4.1(2) POLYPROPYLENE PLASTIC VENT SYSTEM |
| 254 | COMMENTARY FIGURE 503.4.1(3) DIRECT-VENT APPLIANCE COMMENTARY FIGURE 503.4.1(4) DIRECT-VENT APPLIANCE |
| 255 | COMMENTARY FIGURE 503.5.4(1) LOW-HEAT CHIMNEY TERMINATIONS |
| 256 | COMMENTARY FIGURE 503.5.4(2) DECORATIVE SHROUDS |
| 257 | COMMENTARY FIGURE 503.5.6.1(1) CHIMNEY LINING SYSTEM FOR GAS APPLIANCES COMMENTARY FIGURE 503.5.6.1(2) DIRECT-VENT APPLIANCE FOR INSTALLATION IN SOLID FUEL FIREPLACE |
| 258 | COMMENTARY FIGURE 503.5.6.1 CODE-COMPLIANT CHIMNEY LINING REQUIRED FOR REPLACEMENT APPLIANCE |
| 261 | 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 COMMENTARY FIGURE 503.6.5 TOP LOCATION RULES |
| 262 | COMMENTARY FIGURE 503.6.5.1 DECORATIVE SHROUDS COMMENTARY FIGURE 503.6.8 B-VENT TERMINATIONS WITH RESPECT TO FORCED AIR INTAKES |
| 265 | COMMENTARY FIGURE 503.6.11.1(1) APPLIANCE AND VENT SEPARATED FROM LIVING SPACE COMMENTARY FIGURE 503.6.11.1(2) APPLIANCE CLOSETS ACCESSED FROM OUTDOOR BALCONY |
| 266 | COMMENTARY FIGURE 503.6.14 FASTENER PENETRATIONS |
| 269 | TABLE 503.8 THROUGH-THE-WALL VENT TERMINAL CLEARANCE FIGURE 503.8 THROUGH-THE-WALL VENT TERMINAL CLEARANCE |
| 270 | COMMENTARY FIGURE 503.8(1) MECHANICAL DRAFT VENTING SYSTEM EXHAUSTER TERMINATIONS COMMENTARY FIGURE 503.8(2) EXAMPLE OF MANUFACTURER’S DETAIL FOR DIRECT-VENT APPLIANCE |
| 271 | COMMENTARY FIGURE 503.8(3) EXAMPLE OF MANUFACTURER’S DETAIL FOR DIRECT-VENT APPLIANCE VENT AND COMBUSTION AIR TERMINALS COMMENTARY FIGURE 503.8(4) THROUGH-THE-WALL DIRECT VENT TERMINATION FOR APPLIANCES GREATER THAN150,000 BTU/HR INPUT |
| 272 | COMMENTARY FIGURE 503.8(5) VENT TERMINATION |
| 273 | COMMENTARY FIGURE 503.10.2.2 LISTED BENDABLE DOUBLE-WALL CONNECTOR TABLE 503.10.2.4 MINIMUM THICKNESS FOR GALVANIZED STEEL VENT CONNECTORS FOR LOW-HEAT APPLIANCES |
| 274 | TABLE 503.10.2.5 MINIMUM THICKNESS FOR STEEL VENT CONNECTORS FOR MEDIUM-HEAT APPLIANCES |
| 275 | COMMENTARY FIGURE 503.10.3.4(1) MANIFOLD SIZING COMMENTARY FIGURE 503.10.3.4(2) COMMON VENT OFFSET AND MANIFOLD |
| 276 | COMMENTARY FIGURE 503.10.4.1 OPPOSING OPENINGS IN CHIMNEY TABLE 503.10.5 CLEARANCES FOR CONNECTORS |
| 277 | COMMENTARY FIGURE 503.10.7(1) PROHIBITED INSTALLATION COMMENTARY FIGURE 503.10.7(2) TEE OR WYE FITTING |
| 278 | COMMENTARY FIGURE 503.10.9 VENT HEIGHT |
| 280 | COMMENTARY FIGURE 503.10.14 TYPE B VENT CONNECTOR PENETRATIONS COMMENTARY FIGURE 503.12.1 DRAFT-HOOD-EQUIPPED APPLIANCE |
| 282 | COMMENTARY FIGURE 503.14 AUTOMATIC VENT DAMPERS |
| 283 | SECTION 504 (IFGS) SIZING OF CATEGORY I APPLIANCE VENTING SYSTEMS |
| 284 | COMMENTARY FIGURE 504.1(1) COMBUSTION PROCESS FOR NATURAL GAS COMMENTARY FIGURE 504.1(2) FLUE GAS COMPOSITION COMMENTARY FIGURE 504.1(3) DRAFT-HOOD APPLIANCE COMPARED TO FAN-ASSISTED APPLIANCE |
| 285 | COMMENTARY FIGURE 504.1(4) ILLUSTRATION OF THE BASIC PRINCIPLE OF FAN-ASSISTED COMBUSTION |
| 286 | COMMENTARY FIGURE 504.1(5) FAN-ASSISTED HOT WATER BOILER COMMENTARY FIGURE 504.2(1) EXAMPLE OF INDIVIDUAL VENT DIMENSIONS |
| 287 | COMMENTARY FIGURE 504.2(2) INDIVIDUAL VENT—LATERAL AND HEIGHT COMMENTARY FIGURE 504.2.1 CATEGORY I NATURAL DRAFT HOT WATER BOILER WITH AUTOMATIC VENT DAMPER |
| 291 | COMMENTARY FIGURE 504.2.9(1) HEIGHT ABOVE ROOF |
| 292 | COMMENTARY FIGURE 504.2.9(2) MASONRY CHIMNEY COMPARED TO TYPE B VENT COMMENTARY FIGURE 504.2.9(3) EXTERIOR CHIMNEY SIZING-EXAMPLE |
| 295 | COMMENTARY FIGURE 504.3(1) COMBINED VENT DIMENSIONS |
| 297 | COMMENTARY FIGURE 504.3(2) FAN AND NAT VENT SIZING EXAMPLE |
| 298 | TABLE 504.3.2 MAXIMUM VENT CONNECTOR LENGTH |
| 300 | COMMENTARY FIGURE 504.3.5 COMMON VENT OFFSET IN ATTIC FOR THE PURPOSE OF AVOIDING A STREET-SIDE ROOF PENETRATION |
| 301 | COMMENTARY FIGURE 504.3.6(1) OFFSET IN COMMON VENT AND CONNECTORS |
| 302 | COMMENTARY FIGURE 504.3.6(2) TYPE B VENT ADJUSTABLE 45-DEGREE ELBOW FITTING COMMENTARY FIGURE 504.3.6(3) TYPE B VENT ADJUSTABLE 90-DEGREE ELBOW FITTING COMMENTARY FIGURE 504.3.9(1) TYPE B VENT REDUCING TEE COMMENTARY FIGURE 504.3.9(2) TYPE B VENT REDUCING WYE |
| 303 | COMMENTARY FIGURE 504.3.9.1 SINGLE-WALL TEES AND WYES PROHIBITED IN TYPE B COMMON VENT SYSTEMS COMMENTARY FIGURE 504.3.11 CONNECTOR RISE |
| 305 | COMMENTARY FIGURE 504.3.20 EXTERIOR CHIMNEY SIZING—EXAMPLE |
| 307 | SECTION 505 (IFGC) DIRECT-VENT, INTEGRAL VENT, MECHANICAL VENT AND VENTILATION/EXHAUST HOOD VENTING SECTION 506 (IFGC) FACTORY-BUILT CHIMNEYS |
| 308 | COMMENTARY FIGURE 505.1.1(1) EXHAUST HOOD INTERLOCK WITH COOKING APPLIANCES (SOLENOID) COMMENTARY FIGURE 505.1.1(2) PROHIBITED SOLENOID VALVE BYPASS |
| 309 | COMMENTARY FIGURE 506.1(1) FACTORY-BUILT CHIMNEY COMMENTARY FIGURE 506.1(2) AIR-COOLED FACTORY-BUILT CHIMNEY SYSTEM |
| 310 | TABLE 504.2(1) TYPE B DOUBLE-WALL GAS VENT |
| 311 | TABLE 504.2(1)—continued TYPE B DOUBLE-WALL GAS VENT |
| 312 | TABLE 504.2(1)—continued TYPE B DOUBLE-WALL GAS VENT |
| 313 | TABLE 504.2(1)—continued TYPE B DOUBLE-WALL GAS VENT |
| 314 | TABLE 504.2(2) TYPE B DOUBLE-WALL GAS VENT |
| 315 | TABLE 504.2(2)—continued TYPE B DOUBLE-WALL GAS VENT |
| 316 | TABLE 504.2(3) MASONRY CHIMNEY |
| 317 | TABLE 504.2(3)—continued MASONRY CHIMNEY |
| 318 | TABLE 504.2(4) MASONRY CHIMNEY |
| 319 | TABLE 504.2(4)—continued MASONRY CHIMNEY |
| 320 | TABLE 504.2(5) SINGLE-WALL METAL PIPE OR TYPE B ASBESTOS CEMENT VENT |
| 321 | TABLE 504.2(6) EXTERIOR MASONRY CHIMNEY |
| 322 | TABLE 504.3(1) TYPE B DOUBLE-WALL VENT |
| 323 | TABLE 504.3(1)—continued TYPE B DOUBLE-WALL VENT |
| 324 | TABLE 504.3(2) TYPE B DOUBLE-WALL VENT |
| 325 | TABLE 504.3(3) MASONRY CHIMNEY |
| 326 | TABLE 504.3(4) MASONRY CHIMNEY |
| 327 | TABLE 504.3(5) SINGLE-WALL METAL PIPE OR TYPE ASBESTOS CEMENT VENT |
| 328 | TABLE 504.3(6a) EXTERIOR MASONRY CHIMNEY TABLE 504.3(6b) EXTERIOR MASONRY CHIMNEY TABLE 504.3(6b)—continued EXTERIOR MASONRY CHIMNEY |
| 329 | TABLE 504.3(7a) EXTERIOR MASONRY CHIMNEY TABLE 504.3(7b) EXTERIOR MASONRY CHIMNEY TABLE 504.3(7b)—continued EXTERIOR MASONRY CHIMNEY |
| 330 | CHAPTER 6: SPECIFIC APPLIANCES GENERAL COMMENTS PURPOSE SECTION 601 (IFGC) GENERAL SECTION 602 (IFGC) DECORATIVE APPLIANCES FOR INSTALLATION IN FIREPLACES COMMENTARY FIGURE 602.1 VENTED GAS LOG SET |
| 332 | COMMENTARY FIGURE 602.2(1) COMBINATION GAS CONTROL COMMENTARY FIGURE 602.2(2) COMBINATION GAS CONTROL FOR APPLIANCES |
| 333 | SECTION 603 (IFGC) LOG LIGHTERS COMMENTARY FIGURE 604.1(1) VENTED DECORATIVE APPLIANCE COMMENTARY FIGURE 604.1(2) DIRECT-VENT DECORATIVE APPLIANCE SECTION 604 (IFGC) VENTED GAS FIREPLACES (DECORATIVE APPLIANCES) COMMENTARY FIGURE 604.1(3) DIRECT-VENT GAS FIREPLACE |
| 334 | SECTION 605 (IFGC) VENTED GAS FIREPLACE HEATERS COMMENTARY FIGURE 605.1 VENTED GAS FIREPLACE HEATER SECTION 606 (IFGC) INCINERATORS AND CREMATORIES SECTION 607 (IFGC) COMMERCIAL-INDUSTRIAL INCINERATORS |
| 335 | SECTION 608 (IFGC) VENTED WALL FURNACES SECTION 609 (IFGC) FLOOR FURNACES |
| 336 | COMMENTARY FIGURE 609.1 FLOOR FURNACE |
| 337 | SECTION 610 (IFGC) DUCT FURNACES COMMENTARY FIGURE 610.1(1) INTEGRAL POWER-VENTED OUTDOOR DUCT FURNACE COMMENTARY FIGURE 610.1(2) INTEGRAL GRAVITY-VENTED OUTDOOR DUCT FURNACE COMMENTARY FIGURE 610.1(3) OUTDOOR DUCT FURNACES WITH AIR HANDLER |
| 338 | COMMENTARY FIGURE 610.1(4) DUCT FURNACE SECTION 611 (IFGC) NONRECIRCULATING DIRECT-FIRED INDUSTRIAL AIR HEATERS |
| 339 | COMMENTARY FIGURE 611.1 DIRECT-FIRED MAKE-UP AIR HEATER |
| 340 | SECTION 612 (IFGC) RECIRCULATING DIRECT-FIRED INDUSTRIAL AIR HEATERS COMMENTARY FIGURE 612.1(1) BASIC PRINCIPLE OF DIRECT-FIRED SPACE HEATING APPLIANCE |
| 341 | COMMENTARY FIGURE 612.1(2) BASIC PRINCIPLE OF INDIRECT-FIRED SPACE HEATING APPLIANCE |
| 342 | SECTION 613 (IFGC) CLOTHES DRYERS SECTION 614 (IFGC) CLOTHES DRYER EXHAUST COMMENTARY FIGURE 613.1 TYPE 1 CLOTHES DRYER LABEL |
| 344 | COMMENTARY FIGURE 614.5(1) DEDPV COMMENTARY FIGURE 614.5(2) DEDPV |
| 345 | COMMENTARY FIGURE 614.7.1 MAKEUP AIR FOR A CLOSET INSTALLATION OF A DRYER |
| 347 | COMMENTARY FIGURE 614.9.2(1) DUCT JOINTS COMMENTARY FIGURE 614.9.2(2) DRYER EXHAUST DUCTS IN FRAMING CAVITIES |
| 348 | [M] TABLE 614.9.4.1 DRYER EXHAUST DUCT FITTING EQUIVALENT LENGTH |
| 349 | COMMENTARY FIGURE 614.9.5 EXAMPLE OF A DRYER EXHAUST LENGTH LABEL |
| 350 | COMMENTARY FIGURE 614.10 MULTIPLE DRYER EXHAUST SYSTEM |
| 352 | SECTION 615 (IFGC) SAUNA HEATERS |
| 353 | SECTION 616 (IFGC) ENGINE AND GAS TURBINE-POWERED EQUIPMENT SECTION 617 (IFGC) POOL AND SPA HEATERS SECTION 618 (IFGC) FORCED-AIR WARM-AIR FURNACES |
| 355 | SECTION 619 (IFGC) CONVERSION BURNERS SECTION 620 (IFGC) UNIT HEATERS COMMENTARY FIGURE 618.6 PROHIBITED INSTALLATION COMMENTARY FIGURE 620.1(1) DIRECT-VENT UNIT HEATER |
| 356 | COMMENTARY FIGURE 620.1(2) POWER-VENTED UNIT HEATER COMMENTARY FIGURE 620.1(3) UNIT HEATER VENTING (TYPICAL) COMMENTARY FIGURE 620.1(4) DRAFT-HOOD-EQUIPPED UNIT HEATER |
| 357 | COMMENTARY FIGURE 620.1(5) FUNDAMENTAL COMPONENTS OF UNIT HEATER COMMENTARY FIGURE 620.2 UNIT HEATER SUPPORT |
| 358 | SECTION 621 (IFGC) UNVENTED ROOM HEATERS COMMENTARY FIGURE 621.1(1) UNVENTED ROOM HEATER COMMENTARY FIGURE 621.1(2) FIREBOX FOR UNVENTED ROOM HEATER COMMENTARY FIGURE 621.2 UNVENTED ROOM HEATER (DECORATIVE) |
| 359 | SECTION 622 (IFGC) VENTED ROOM HEATERS |
| 360 | COMMENTARY FIGURE 622.1(1) VENTED GAS FIREPLACE HEATER COMMENTARY FIGURE 622.1(2) VENTED ROOM HEATER SECTION 623 (IFGC) COOKING APPLIANCES COMMENTARY FIGURE 623.1(1) COMMERCIAL OVEN COMMENTARY FIGURE 623.1(2) COMMERCIAL DECK OVEN |
| 361 | COMMENTARY FIGURE 623.2(1) DOMESTIC RANGE COMMENTARY FIGURE 623.2(2) DOMESTIC RANGE |
| 362 | COMMENTARY FIGURE 623.3(1) DOMESTIC (HOUSEHOLD) RANGE COMMENTARY FIGURE 623.3(2) HOUSEHOLD-TYPE COOKING APPLIANCE LABEL |
| 363 | COMMENTARY FIGURE 623.7 CLEARANCE ABOVE COOKING TOP SECTION 624 (IFGC) WATER HEATERS |
| 364 | COMMENTARY FIGURE 624.2(1) DIRECT-VENT WATER HEATER DESIGNED FOR BOTH POTABLE WATER HEATING AND SPACE HEATING APPLICATIONS COMMENTARY FIGURE 624.2(2) WATER HEATER LABEL INDICATING SUITABILITY FOR BOTH POTABLE WATER HEATING AND SPACE HEATING SECTION 625 (IFGC) REFRIGERATORS |
| 365 | SECTION 626 (IFGC) GAS-FIRED TOILETS SECTION 627 (IFGC) AIR-CONDITIONING APPLIANCES |
| 366 | SECTION 628 (IFGC) ILLUMINATING APPLIANCES |
| 367 | SECTION 629 (IFGC) SMALL CERAMIC KILNS SECTION 630 (IFGC) INFRARED RADIANT HEATERS COMMENTARY FIGURE 630.1(1) CERAMIC BURNER INFRARED RADIANT HEATER COMMENTARY FIGURE 630.1(2) TUBE-TYPE INFRARED RADIANT HEATER |
| 368 | COMMENTARY FIGURE 630.1(3) TUBE-TYPE INFRARED RADIANT HEATER COMMENTARY FIGURE 630.1(4) SAMPLE LABEL INFRARED RADIANT TUBE HEATER |
| 369 | SECTION 631 (IFGC) BOILERS COMMENTARY FIGURE 631.1(1) STEAM HEATING BOILER WITH GAUGE-GLASS, LOW WATER CUTOFF CONTROL, PRESSURE GAUGE, PRESSURE LIMIT CONTROL AND AUTOMATIC VENT DAMPER COMMENTARY FIGURE 631.1(2) STEAM BOILER WITH POWER BURNER, LOW-WATER CUTOFF CONTROLS AND PRESSURE CONTROLS |
| 370 | COMMENTARY FIGURE 631.2(1) ELECTRONIC PROBE-TYPE LOW-WATER CUTOFF CONTROL WITH GAUGE GLASS AND TRI-COCKS FOR STEAM BOILER APPLICATION COMMENTARY FIGURE 631.2(2) ELECTRONIC PROBE-TYPE LOW-WATER CUTOFF CONTROL FOR HOT WATER BOILER APPLICATION COMMENTARY FIGURE 631.2(3) ELECTRONIC PROBE-TYPE LOW-WATER CUTOFF CONTROL FOR HOT WATER BOILER APPLICATION SECTION 632 (IFGC) EQUIPMENT INSTALLED IN EXISTING UNLISTED BOILERS |
| 371 | SECTION 633 (IFGC) STATIONARY FUEL-CELL POWER SYSTEMS SECTION 634 (IFGC) GASEOUS HYDROGEN SYSTEMS SECTION 635 (IFGC) OUTDOOR DECORATIVE APPLIANCES COMMENTARY FIGURE 635.1 OUTDOOR (CAMPFIRE) DECORATIVE APPLIANCE BIBLIOGRAPHY |
| 372 | CHAPTER 7: GASEOUS HYDROGEN SYSTEMS GENERAL COMMENTS COMMENTARY FIGURE 700(1) ELECTROLYSIS OF WATER PURPOSE |
| 373 | COMMENTARY FIGURE 700(2) FUEL CELL PRINCIPLE OF OPERATION COMMENTARY FIGURE 700(3) FUEL CELL PRINCIPLE OF OPERATION |
| 374 | SECTION 701 (IFGC) GENERAL SECTION 702 (IFGC) GENERAL DEFINITIONS COMMENTARY FIGURE 702.1 HYDROGEN-GENERATING APPLIANCE |
| 375 | SECTION 703 (IFGC) GENERAL REQUIREMENTS |
| 376 | SECTION 704 (IFGC) PIPING, USE AND HANDLING |
| 378 | SECTION 705 (IFGC) TESTING OF HYDROGEN PIPING SYSTEMS |
| 381 | 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 BIBLIOGRAPHY |
| 382 | CHAPTER 8: REFERENCED STANDARDS GENERAL COMMENTS PURPOSE |
| 383 | COMMENTARY FIGURE 800 REFERENCED STANDARDS |
| 384 | ANSI |
| 385 | ASME |
| 386 | ASSP ASTM |
| 387 | CGA CSA DOTn ICC |
| 388 | MSS NFPA SMACNA UL |
| 390 | APPENDIX A ( IFGS): SIZING AND CAPACITIES OF GAS PIPING SECTION A101 GENERAL PIPING CONSIDERATIONS SECTION A102 DESCRIPTION OF TABLES |
| 391 | TABLE A102.2 EQUIVALENT LENGTHS OF PIPE FITTINGS AND VALVES |
| 392 | TABLE A102.2—continued EQUIVALENT LENGTHS OF PIPE FITTINGS AND VALVES |
| 393 | 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 |
| 395 | 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 SECTION A105 PIPE AND TUBE DIAMETERS TABLE A105.1 SCHEDULE 40 STEEL PIPE STANDARD SIZES |
| 396 | TABLE A105.2 COPPER TUBE STANDARD SIZES SECTION A106 EXAMPLES OF PIPING SYSTEM DESIGN AND SIZING FIGURE A106.1 PIPING PLAN SHOWING A STEEL PIPING SYSTEM |
| 397 | FIGURE A106.2 PIPING PLAN SHOWING A CSST SYSTEM |
| 398 | FIGURE A106.3 PIPING PLAN SHOWING A COPPER TUBING SYSTEM FIGURE A106.4 PIPING PLAN SHOWING A MODIFICATION TO EXISTING PIPING SYSTEM |
| 400 | 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 |
| 401 | 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 |
| 402 | 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 |
| 403 | SECTION B102 EXAMPLES USING COMMON VENTING TABLES FIGURE B102.1 EXAMPLE 4—COMMON VENTING TWO DRAFT-HOOD-EQUIPPED APPLIANCES |
| 404 | FIGURE B102.2 EXAMPLE 5A—COMMON VENTING A DRAFT HOOD WITH A FAN-ASSISTED FURNACE INTO A TYPE B DOUBLE-WALL COMMON VENT TABLE B102.3 MASONRY CHIMNEY LINER DIMENSIONS WITH CIRCULAR EQUIVALENTSa |
| 406 | 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 |
| 407 | 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 FIGURE B102.5(8) MULTISTORY GAS VENT DESIGN PROCEDURE FOR EACH SEGMENT OF SYSTEM |
| 408 | FIGURE B102.5(9) MULTISTORY VENT SYSTEMS |
| 409 | FIGURE B102.5(10) NATIONAL FUEL GAS CODE 99-PERCENT WINTER DESIGN TEMPERATURES FOR THE CONTIGUOUS UNITED STATES |
| 410 | APPENDIX C (IFGS): EXIT TERMINALS OF MECHANICAL DRAFT AND DIREXT-VENT VENTING SYSTEMS SECTION C101 GENERAL FIGURE C101.1 EXIT TERMINALS OF MECHANICAL DRAFT AND DIRECT-VENT VENTING SYSTEMS |
| 412 | APPENDIX D (IFGS): RECOMMENDED PROCEDURE FOR SAFETY INSPECTION OF AN EXISTING APPLIANCE INSTALLATION SECTION D101 GENERAL SECTION D102 OCCUPANT AND INSPECTOR SAFETY |
| 413 | SECTION D103 GAS PIPING AND CONNECTIONS INSPECTIONS SECTION D104 INSPECTIONS TO BE PERFORMED WITH THE APPLIANCE NOT OPERATING |
| 414 | SECTION D105 INSPECTIONS TO BE PERFORMED WITH THE APPLIANCE OPERATING |
| 415 | SECTION D106 APPLIANCE-SPECIFIC INSPECTIONS |
| 416 | TABLE D106 CO THRESHOLDS |
| 418 | APPENDIX E (IFGS): BOARD OF APPEALS GENERAL COMMENTS PURPOSE SECTION E101 GENERAL |
| 422 | INDEX |
| 426 | VALUABLE GUIDES TO CHANGES IN THE 2021 I-CODES® |
| 427 | ICC EVALUATION SERVICE |
| 428 | ICC ASSESSMENT CENTER |
| 429 | TELEWORK WITH ICC DIGITAL CODES PREMIUM |
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ICC IFC Commentary 2021 1stptg
International Fire Code and Commentary Published By Publication Date Number of Pages ICC 2021
