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ICC IRC Commentary Volume 2 2021 1stptg

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International Residential Code and Commentary, Volume 2

Published By Publication Date Number of Pages
ICC 2021 1105
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This comprehensive publication provides a convenient reference for regulations in chapters 12 through 43 of the 2021 International Residential Code (IRC®). The commentary series is presented in an easy-to-understand format. 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 IRC®. The commentaries are designed to suggest the most effective method of application, and the consequences of not adhering to the code.

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1 2021 IRC® CODE AND COMMENTARY VOLUME 2
2 2021 IRC® CODE AND COMMENTARY VOLUME 2 TITLE PAGE
3 COPYRIGHT
4 PREFACE
6 TABLE OF CONTENTS
10 PART V—MECHANICAL
CHAPTER 12: MECHANICAL ADMINISTRATION
GENERAL COMMENTS
PURPOSE
SECTION M1201 GENERAL
SECTION M1202 EXISTING MECHANICAL SYSTEMS
11 BIBLIOGRAPHY
12 CHAPTER 13: GENERAL MECHANICAL SYSTEM REQUIREMENTS
GENERAL COMMENTS
PURPOSE
SECTION M1301 GENERAL
13 SECTION M1302 APPROVAL
SECTION M1303 LABELING OF APPLIANCES
14 COMMENTARY FIGURE M1303.1 TYPICAL LABEL FOR A CATEGORY I GAS-FIRED FURNACE
SECTION M1304 TYPE OF FUEL
15 SECTION M1305 APPLIANCE ACCESS
16 COMMENTARY FIGURE M1305.1.2 REMOTE LOCATION REQUIREMENTS (ATTIC INSTALLATION)
17 SECTION M1306 CLEARANCES FROM COMBUSTIBLE CONSTRUCTION
20 FIGURE M1306.1 REDUCED CLEARANCE DIAGRAM
FIGURE M1306.2 WALL PROTECTOR CLEARANCE REDUCTION SYSTEM
21 TABLE M1306.2 REDUCTION OF CLEARANCES WITH SPECIFIED FORMS OF PROTECTION
22 SECTION M1307 APPLIANCE INSTALLATION
23 COMMENTARY FIGURE M1307.2 ANCHORAGE OF WATER HEATER
COMMENTARY FIGURE M1307.3 OIL-FIRED WATER HEATER INSTALLATION IN A GARAGE
25 COMMENTARY FIGURE M1307.3.1 TYPICAL MOTOR VEHICLE IMPACT PROTECTION
27 SECTION M1308 MECHANICAL SYSTEMS INSTALLATION
28 COMMENTARY FIGURE M1308.2 PIPE PROTECTION
BIBLIOGRAPHY
30 CHAPTER 14: HEATING AND COOLING EQUIPMENT AND APPLIANCES
GENERAL COMMENTS
PURPOSE
SECTION M1401 GENERAL
32 SECTION M1402 CENTRAL FURNACES
SECTION M1403 HEAT PUMP EQUIPMENT
SECTION M1404 REFRIGERATION COOLING EQUIPMENT
SECTION M1405 BASEBOARD CONVECTORS
COMMENTARY FIGURE M1405.1 TYPICAL ELECTRIC BASEBOARD CONVECTOR
33 SECTION M1406 RADIANT HEATING SYSTEMS
SECTION M1407 DUCT HEATERS
34 SECTION M1408 VENTED FLOOR FURNACES
35 COMMENTARY FIGURE M1408.3 FLOOR FURNACE CLEARANCES
SECTION M1409 VENTED WALL FURNACES
36 SECTION M1410 VENTED ROOM HEATERS
SECTION M1411 HEATING AND COOLING EQUIPMENT
38 COMMENTARY FIGURE M1411.3.1(1) CONDENSATE OVERFLOW SHUTOFF SWITCH INSTALLED IN A PAN
COMMENTARY FIGURE M1411.3.1(2) CONDENSATE OVERFLOW SHUTOFF SWITCH INSTALLED IN THE OUTLET OF THE AUXILIARY PAN
COMMENTARY FIGURE M1411.3.1(3) CONDENSATE OVERFLOW SHUTOFF SWITCH INSTALLED IN THE OVERFLOW DRAIN LINE
39 COMMENTARY FIGURE M1411.3.1.2 APPLIANCES, EQUIPMENT AND INSULATION IN PANS
40 COMMENTARY FIGURE M1411.3.3 CONDENSATE DRAIN LINE MAINTENANCE
41 COMMENTARY FIGURE M1411.3.4(1) UNACCEPTABLE APPLIANCE AND PAN INSTALLATION
COMMENTARY FIGURE M1411.3.4(2) ACCEPTABLE APPLIANCE AND PAN INSTALLATION
42 COMMENTARY FIGURE M1411.4 CONDENSATE PUMPS IN UNINHABITABLE SPACES
43 COMMENTARY FIGURE M1411.9(1) INSTALLATION OF LOCKING CAPS FOR REFRIGERANT ACCESS PORT
COMMENTARY FIGURE M1411.9(2) REFRIGERANT LOCKING CAPS AND TOOLS
COMMENTARY FIGURE M1411.9(3) REFRIGERANT LABELS FOR LOCKING CAPS
COMMENTARY FIGURE M1411.9(4) SPECIAL REMOVAL TOOLS FOR REFRIGERANT LOCKING CAPS
44 SECTION M1412 ABSORPTION COOLING EQUIPMENT
SECTION M1413 EVAPORATIVE COOLING EQUIPMENT
SECTION M1414 FIREPLACE STOVES
45 SECTION M1415 MASONRY HEATERS
BIBLIOGRAPHY
46 CHAPTER 15: EXHAUST SYSTEMS
GENERAL COMMENTS
PURPOSE
SECTION M1501 GENERAL
47 COMMENTARY FIGURE M1501.1 PROHIBITED EXHAUST TERMINATION
SECTION M1502 CLOTHES DRYER EXHAUST
49 COMMENTARY FIGURE M1502.3.1 CLOTHES DRYER EXHAUST TERMINATION
50 COMMENTARY FIGURE M1502.4.2(1) SEALING OF CLOTHES DRYER EXHAUST DUCTS
51 COMMENTARY FIGURE M1502.4.2(2) DRYER EXHAUST DUCTS IN FRAMING CAVITIES
52 COMMENTARY FIGURE M1502.4.4 DRYER EXHAUST DUCT POWER VENTILATOR
COMMENTARY FIGURE M1502.4.6 EXAMPLE OF A DRYER EXHAUST LENGTH LABEL
53 TABLE M1502.4.6.1 DRYER EXHAUST DUCT FITTING EQUIVALENT LENGTH
54 COMMENTARY FIGURE M1502.4.7 SPACE FOR CLOTHES DRYER INSTALLATION
55 COMMENTARY FIGURE M1502.5 DRYER EXHAUST DUCT PROTECTION
SECTION M1503 DOMESTIC COOKING EXHAUST EQUIPMENT
58 SECTION M1504 EXHAUST DUCTS AND EXHAUST OPENINGS
TABLE M1504.2 DUCT LENGTH
59 SECTION M1505 MECHANICAL VENTILATION
60 COMMENTARY FIGURE M1505.3 DWELLING UNIT VENTILATING EQUIPMENT
61 EQUATION 15-1
62 TABLE M1505.4.3(1) CONTINUOUS WHOLE-HOUSE MECHANICAL VENTILATION SYSTEM AIRFLOW RATE REQUIREMENTS
TABLE M1505.4.3(2) INTERMITTENT WHOLE-HOUSE MECHANICAL VENTILATION RATE FACTORSa
COMMENTARY FIGURE M1505.4.3 LABELING OF CONTROLS FOR WHOLE-HOUSE VENTILATION SYSTEM
63 TABLE M1505.4.4 MINIMUM REQUIRED LOCAL EXHAUST RATES FOR ONE- AND TWO-FAMILY DWELLINGS
BIBLIOGRAPHY
64 CHAPTER 16: DUCT SYSTEMS
GENERAL COMMENTS
PURPOSE
SECTION M1601 DUCT CONSTRUCTION
66 COMMENTARY FIGURE M1601.1.1(1) ACCEPTABLE STUD AND JOIST-SPACE INSTALLATION
67 COMMENTARY FIGURE M1601.1.1(2) UNACCEPTABLE STUD AND JOIST-SPACE PLENUM INSTALLATION
68 TABLE M1601.1.1 DUCT CONSTRUCTION MINIMUM SHEET METAL THICKNESS FOR SINGLE DWELLING UNITSa
72 COMMENTARY FIGURE M1601.4.1(1) INSTALLATION INSTRUCTIONS FOR FLEXIBLE AIR DUCTS AND AIR CONNECTORS
73 COMMENTARY FIGURE M1601.4.1(1)—continued INSTALLATION INSTRUCTIONS FOR FLEXIBLE AIR DUCTS AND AIR CONNECTORS
74 COMMENTARY FIGURE M1601.4.1(1)—continued INSTALLATION INSTRUCTIONS FOR FLEXIBLE AIR DUCTS AND AIR CONNECTORS
75 COMMENTARY FIGURE M1601.4.1(1)—continued INSTALLATION INSTRUCTIONS FOR FLEXIBLE AIR DUCTS AND AIR CONNECTORS
76 COMMENTARY FIGURE M1601.4.1(1)—continued INSTALLATION INSTRUCTIONS FOR FLEXIBLE AIR DUCTS AND AIR CONNECTORS
77 COMMENTARY FIGURE M1601.4.1(1)—continued INSTALLATION INSTRUCTIONS FOR FLEXIBLE AIR DUCTS AND AIR CONNECTORS
78 COMMENTARY FIGURE M1601.4.1(1)—continued INSTALLATION INSTRUCTIONS FOR FLEXIBLE AIR DUCTS AND AIR CONNECTORS
79 COMMENTARY FIGURE M1601.4.1(2) SNAP-LOCK AND BUTTON-LOCK DUCT JOINTS
80 COMMENTARY FIGURE M1601.5 UNDER-FLOOR PLENUM
81 SECTION M1602 RETURN AIR
84 CHAPTER 17: COMBUSTION AIR
GENERAL COMMENTS
PURPOSE
SECTION M1701 GENERAL
86 CHAPTER 18: CHIMNEYS AND VENTS
GENERAL COMMENTS
PURPOSE
SECTION M1801 GENERAL
89 COMMENTARY FIGURE M1801.7 VENT SUPPORT
SECTION M1802 VENT COMPONENTS
90 COMMENTARY FIGURE M1802.3 DRAFT HOODS AND DRAFT REGULATORS
SECTION M1803 CHIMNEY AND VENT CONNECTORS
91 COMMENTARY FIGURE M1802.4 BLOCKED VENT SWITCH
TABLE M1803.2 THICKNESS FOR SINGLE-WALL METAL PIPE CONNECTORS
92 TABLE M1803.3.4 CHIMNEY AND VENT CONNECTOR CLEARANCES TO COMBUSTIBLE MATERIALSa
93 SECTION M1804 VENTS
TABLE M1804.1 VENT SELECTION CHART
94 COMMENTARY FIGURE M1804.2.1 VENT TERMINATION THROUGH A ROOF
95 COMMENTARY FIGURE M1804.2.2 DECORATIVE SHROUDS
96 COMMENTARY FIGURE M1804.4(1) DOOR SWING
97 COMMENTARY FIGURE M1804.4(2) DOOR SWING
SECTION M1805 MASONRY AND FACTORY-BUILT CHIMNEYS
100 CHAPTER 19: SPECIAL APPLIANCES, EQUIPMENT AND SYSTEMS
GENERAL COMMENTS
PURPOSE
SECTION M1901 RANGES AND OVENS
SECTION M1902 SAUNA HEATERS
101 SECTION M1903 STATIONARY FUEL CELL POWER PLANTS
102 COMMENTARY FIGURE M1903.1(1) TYPICAL FUEL CELL COMPONENTS
COMMENTARY FIGURE M1903.1(2) TYPICAL FUEL CELL COMPONENTS
SECTION M1904 GASEOUS HYDROGEN SYSTEMS
BIBLIOGRAPHY
104 CHAPTER 20: BOILERS AND WATER HEATERS
GENERAL COMMENTS
PURPOSE
SECTION M2001 BOILERS
105 COMMENTARY FIGURE M2001.2 RESIDENTIAL BOILER AND ASSOCIATED EQUIPMENT
COMMENTARY FIGURE M2001.3 MULTIPLE MODULAR UNITS
106 SECTION M2002 OPERATING AND SAFETY CONTROLS
COMMENTARY FIGURE M2002.2 BOILER TEMPERATURE AND PRESSURE GAUGE
107 COMMENTARY FIGURE M2002.3 STEAM BOILER SIGHT GLASS
108 COMMENTARY FIGURE M2002.5 BOILER LOW-WATER CUTOFF CONTROL DEVICE
SECTION M2003 EXPANSION TANKS
109 TABLE M2003.2 EXPANSION TANK MINIMUM CAPACITYa FOR FORCED HOT-WATER SYSTEMS
SECTION M2004 WATER HEATERS USED FOR SPACE HEATING
SECTION M2005 WATER HEATERS
110 SECTION M2006 POOL HEATERS
BIBLIOGRAPHY
112 CHAPTER 21: HYDRONIC PIPING
GENERAL COMMENTS
PURPOSE
SECTION M2101 HYDRONIC PIPING SYSTEMS INSTALLATION
113 TABLE M2101.1 HYDRONIC PIPING AND FITTING MATERIALS
114 COMMENTARY FIGURE M2101.7 PROHIBITED BULLHEAD TEE ARRANGEMENT
TABLE M2101.9 HANGER SPACING INTERVALS
118 SECTION M2102 BASEBOARD CONVECTORS
SECTION M2103 FLOOR HEATING SYSTEMS
119 SECTION M2104 LOW TEMPERATURE PIPING
120 SECTION M2105 GROUND-SOURCE HEAT-PUMP SYSTEM LOOP PIPING
121 TABLE M2105.4 GROUND-SOURCE LOOP PIPE
TABLE M2105.5 GROUND-SOURCE LOOP PIPE FITTINGS
126 CHAPTER 22: SPECIAL PIPING AND STORAGE SYSTEMS
GENERAL COMMENTS
PURPOSE
SECTION M2201 OIL TANKS
127 SECTION M2202 OIL PIPING, FITTING AND CONNECTIONS
128 SECTION M2203 INSTALLATION
129 SECTION M2204 OIL PUMPS AND VALVES
BIBLIOGRAPHY
130 CHAPTER 23: SOLAR THERMAL ENERGY SYSTEMS
GENERAL COMMENTS
PURPOSE
SECTION M2301 SOLAR THERMAL ENERGY SYSTEMS
131 COMMENTARY FIGURE 23(1) PASSIVE SOLAR SPACE HEATING
COMMENTARY FIGURE 23(2) PASSIVE SOLAR HEATING AND COOLING APPLICATIONS
132 COMMENTARY FIGURE 23(3) ACTIVE SPACE AND DOMESTIC WATER HEATING SYSTEM
COMMENTARY FIGURE 23(4) PASSIVE COLLECTION WITH MECHANICAL DISTRIBUTION
136 BIBLIOGRAPHY
138 PART VI—FUEL GAS
CHAPTER 24: FUEL GAS
GENERAL COMMENTS
PURPOSE
SECTION G2401 (101) GENERAL
139 SECTION G2402 (201) GENERAL
SECTION G2403 (202) GENERAL DEFINITIONS
140 COMMENTARY FIGURE G2403(1) ANODELESS RISERS
141 COMMENTARY FIGURE G2403(2) BAROMETRIC DRAFT REGULATOR
142 COMMENTARY FIGURE G2403(3) LABEL FOR LOW-PRESSURE BOILER
143 COMMENTARY FIGURE G2403(4) FACTORY-BUILT CHIMNEYS
144 COMMENTARY FIGURE G2403(5) AIR-COOLED FACTORY-BUILT CHIMNEY SECTION
146 COMMENTARY FIGURE G2403(6) DIRECT-VENT APPLIANCE
COMMENTARY FIGURE G2403(7) DIRECT-VENT APPLIANCE
147 COMMENTARY FIGURE G2403(8) DRAFT-HOOD-EQUIPPED APPLIANCE
150 COMMENTARY FIGURE G2403(9) CHIMNEY FLUE LINER SYSTEM FOR GAS APPLIANCE
151 COMMENTARY FIGURE G2403(10) GAS CONVENIENCE OUTLET
COMMENTARY FIGURE G2403(11) GAS CONVENIENCE OUTLET
153 COMMENTARY FIGURE G2403(12) TYPICAL RESIDENTIAL GAS METER SETTING
154 COMMENTARY FIGURE G2403(13) VENT OFFSET
COMMENTARY FIGURE G2403(14) OXYGEN DEPLETION SAFETY SHUTOFF
156 COMMENTARY FIGURE G2403(15) SERVICE REGULATOR
157 COMMENTARY FIGURE G2403(16) UNVENTED ROOM HEATER
158 COMMENTARY FIGURE G2403(17) TRANSITION FITTINGS
159 COMMENTARY FIGURE G2403(18) TYPE B VENT
160 SECTION G2404 (301) GENERAL
162 SECTION G2405 (302) STRUCTURAL SAFETY
163 COMMENTARY FIGURE G2404.10 AUXILIARY DRAIN PAN REQUIRED (WITH OR WITHOUT COOLING COIL)
COMMENTARY FIGURE G2404.11 CONDENSATE PUMP
164 SECTION G2406 (303) APPLIANCE LOCATION
165 COMMENTARY FIGURE G2406.2(1) UNVENTED WALL-MOUNTED ROOM HEATER
COMMENTARY FIGURE G2406.2(2) APPLIANCE ENCLOSURE
166 COMMENTARY FIGURE G2406.2(3) GAS-FIRED CLOTHES DRYER IN BATHROOMS
SECTION G2407 (304) COMBUSTION, VENTILATION AND DILUTION AIR
168 COMMENTARY FIGURE G2407.1(1) THE CHEMISTRY OF IDEAL COMBUSTION
COMMENTARY FIGURE G2407.1(2) THE CHEMISTRY OF INCOMPLETE COMBUSTION
169 COMMENTARY FIGURE G2407.1(3) COMBUSTION AIR-SUPPLY METHODS
170 COMMENTARY FIGURE G2407.1(4) DIRECT-VENT APPLIANCE
COMMENTARY FIGURE G2407.1(5) DIRECT COMBUSTION AIR CONNECTION TO THE OUTDOORS
COMMENTARY FIGURE G2407.1(6) POWER BURNER
172 EQUATION 24-1
EQUATION 24-2
COMMENTARY FIGURE G2407.4 DEPLETION OF COMBUSTION AIR
173 FIGURE G2407.5.3 (304.5.3) ALL AIR FROM INSIDE THE BUILDING
174 COMMENTARY FIGURE G2407.5.2 CALCULATED VOLUMES
175 FIGURE G2407.6.1(1) [304.6.1(1)] ALL AIR FROM OUTDOORS—INLET AIR FROM VENTILATED CRAWL SPACE AND OUTLET AIR TO VENTILATED ATTIC
176 FIGURE G2407.6.1(2) [304.6.1(2)] ALL AIR FROM OUTDOORS THROUGH VENTILATED ATTIC
FIGURE G2407.6.1(3) [304.6.1(3)] ALL AIR FROM OUTDOORS
177 FIGURE G2407.6.2 (304.6.2) SINGLE COMBUSTION AIR OPENING, ALL AIR FROM OUTDOORS
178 COMMENTARY FIGURE G2407.7.3 ROOM CONFIGURATION USED IN EXAMPLE 2
179 COMMENTARY FIGURE G2407.8(1) MECHANICAL COMBUSTION AIR/MAKEUP AIR-SUPPLY SYSTEM
180 COMMENTARY FIGURE G2407.8(2) MECHANICAL COMBUSTION AIR-SUPPLY SYSTEM
COMMENTARY FIGURE G2407.8(3) MECHANICAL COMBUSTION AIR/MAKEUP AIR-SUPPLY SYSTEM
181 COMMENTARY FIGURE G2407.9 MECHANICALLY SUPPLIED COMBUSTION AIR
COMMENTARY FIGURE G2407.9.2 SIMPLIFIED EXAMPLE SCHEMATIC OF INTERLOCK BETWEEN APPLIANCE AND POWER COMBUSTION AIR UNIT
183 COMMENTARY FIGURE G2407.10 SIMPLIFIED EXAMPLE SCHEMATIC OF COMBUSTION AIR DAMPER/APPLIANCE INTERLOCK
184 COMMENTARY FIGURE G2407.11 COMMON DUCT PROHIBITED
SECTION G2408 (305) INSTALLATION
186 COMMENTARY FIGURE G2408.2(1) GAS-FIRED WATER HEATER INSTALLATION IN A GARAGE
COMMENTARY FIGURE G2408.2(2) SOURCES OF IGNITION ELEVATED IN PRIVATE GARAGE
187 COMMENTARY FIGURE G2408.2(3) GARAGE SPACE VS. LIVING SPACE
COMMENTARY FIGURE G2408.2(4) EXAMPLE OF FLAMMABLE-VAPOR-IGNITION RESISTANT WATER HEATER TECHNOLOGY
COMMENTARY FIGURE G2408.2(5) EXAMPLE OF FLAMMABLE-VAPOR-IGNITION-RESISTANT WATER HEATER TECHNOLOGY
188 COMMENTARY FIGURE G2408.2(6) EXAMPLE OF FLAMMABLE-VAPOR-IGNITION-RESISTANT WATER HEATER TECHNOLOGY
COMMENTARY FIGURE G2408.2.1 ELEVATION OF APPLIANCES NOT REQUIRED
COMMENTARY FIGURE G2408.3(1) SUSPENDED UNIT HEATER
189 COMMENTARY FIGURE G2408.3(2) PROTECTED BY WALLS
COMMENTARY FIGURE G2408.3(3) PROTECTED BY GUARDS
190 COMMENTARY FIGURE G2408.3(4) PROTECTED BY A PLATFORM
COMMENTARY FIGURE G2408.3(5) PROTECTED BY A CURB STOP
191 SECTION G2409 (308) CLEARANCE REDUCTION
192 COMMENTARY FIGURE G2409.1 CLEARANCE TO COMBUSTIBLES—EXAMPLES OF HOW TO MEASURE
193 FIGURE G2409.2(1) [308.2(1)] EXTENT OF PROTECTION NECESSARY TO REDUCE CLEARANCES FROM GAS EQUIPMENT OR VENT CONNECTORS
FIGURE G2409.2(2) [308.2(2)] WALL PROTECTOR CLEARANCE REDUCTION SYSTEM
194 FIGURE G2409.2(3) [308.2(3)] MASONRY CLEARANCE REDUCTION SYSTEM
195 TABLE G2409.2 (308.2) REDUCTION OF CLEARANCES WITH SPECIFIED FORMS OF PROTECTION
196 COMMENTARY FIGURE G2409.2 REDUCED CLEARANCE TO COMBUSTIBLES
197 SECTION G2410 (309) ELECTRICAL
SECTION G2411 (310) ELECTRICAL BONDING
198 COMMENTARY FIGURE G2411.1 GAS PIPE BONDING BY APPLIANCE BRANCH CIRCUIT
199 COMMENTARY FIGURE G2411.2 (1) CSST BONDING
200 COMMENTARY FIGURE G2411.2 (2) ALTERNATIVE LOCATION FOR BONDING CLAMP
201 COMMENTARY FIGURE G2411.2.3(1) BONDING JUMPER LENGTH
COMMENTARY FIGURE G2411.2.3(2) BONDING CLAMP
202 COMMENTARY FIGURE G2411.2.3(3) GROUNDING ELECTRODES FOR CSST BONDING
203 COMMENTARY FIGURE G2411.3(1) NON-ARC-RESISTANT CSST
COMMENTARY FIGURE G2411.3(2) ARC-RESISTANT CSST
SECTION G2412 (401) GENERAL
204 COMMENTARY FIGURE G2412.1(1) SCOPE OF CODES
205 COMMENTARY FIGURE G2412.1(2) TYPICAL POINT OF DELIVERY FOR NATURAL GAS SERVICE
206 SECTION G2413 (402) PIPE SIZING
208 EQUATION 24-3
EQUATION 24-4
209 TABLE G2413.4 (402.4) Cr AND Y VALUES FOR NATURAL GAS AND UNDILUTED PROPANE AT STANDARD CONDITIONS
COMMENTARY FIGURE G2413.4 GAS PIPING LAYOUT
210 COMMENTARY FIGURE G2413.4.1 STEEL PIPE BRANCH SYSTEM FOR ROOF TOP UNITS
211 COMMENTARY FIGURE G2413.4.2(1) BRANCH PIPING SYSTEM WITH SCHEDULE 40 STEEL PIPE TRUNKLINE AND CSST BRANCHES
212 COMMENTARY FIGURE G2413.4.2(2) SINGLE PRESSURE CSST MANIFOLD SYSTEM
SUMMARY TABLE FOR BRANCH LENGTH METHOD EXAMPLE 2
213 COMMENTARY FIGURE G2413.4.3(1) HYBRID PRESSURE BRANCH SYSTEM FOR ROOF TOP UNITS
SUMMARY TABLE FOR HYBRID PRESSURE EXAMPLE 2
214 COMMENTARY FIGURE G2413.4.3(2) HYBRID PRESSURE PARALLEL DISTRIBUTION SYSTEM
215 TABLE G2413.4(1) [402.4(2)] SCHEDULE 40 METALLIC PIPE
216 TABLE G2413.4(2) [402.4(5)] SCHEDULE 40 METALLIC PIPE
217 TABLE G2413.4(3) [402.4(9)] SEMIRIGID COPPER TUBING
218 TABLE G2413.4(4) [402.4(12)] SEMIRIGID COPPER TUBING
219 TABLE G2413.4(5) [402.4(15)] CORRUGATED STAINLESS STEEL TUBING (CSST)
220 TABLE G2413.4(6) [402.4(18)] CORRUGATED STAINLESS STEEL TUBING (CSST)
221 TABLE G2413.4(7) [402.4(21)] POLYETHYLENE PLASTIC PIPE
222 TABLE G2413.4(8) [402.4(22)] POLYETHYLENE PLASTIC PIPE
223 TABLE G2413.4(9) [402.4(25)] SCHEDULE 40 METALLIC PIPE
224 TABLE G2413.4(10) [402.4(26)] SCHEDULE 40 METALLIC PIPE
225 TABLE G2413.4(11) [402.4(27)] SCHEDULE 40 METALLIC PIPE
226 TABLE G2413.4(12) [402.4(28)] SCHEDULE 40 METALLIC PIPE
227 TABLE G2413.4(13) [402.4(29)] SEMIRIGID COPPER TUBING
228 TABLE G2413.4(14) [402.4(30)] SEMIRIGID COPPER TUBING
229 TABLE G2413.4(15) [402.4(31)] SEMIRIGID COPPER TUBING
230 TABLE G2413.4(16) [402.4(32)] CORRUGATED STAINLESS STEEL TUBING (CSST)
231 TABLE G2413.4(17) [402.4(33)] CORRUGATED STAINLESS STEEL TUBING (CSST)
232 TABLE G2413.4(18) [402.4(34)] CORRUGATED STAINLESS STEEL TUBING (CSST)
233 TABLE G2413.4(19) [402.4(35)] POLYETHYLENE PLASTIC PIPE
234 TABLE G2413.4(20) [402.4(36)] POLYETHYLENE PLASTIC PIPE
235 TABLE G2413.4(21) [402.4(37)] POLYETHYLENE PLASTIC TUBING
236 COMMENTARY FIGURE G2413.7 PRESS-CONNECT FITTING WITH BITE RING USED WITH SCH 40 AND SCH 10 STEEL PIPE
237 SECTION G2414 (403) PIPING MATERIALS
238 COMMENTARY FIGURE G2414.4 PLASTIC-SHEATHED COPPER TUBING
COMMENTARY FIGURE G2414.4.4(1) CSST AND SYSTEM COMPONENTS
239 COMMENTARY FIGURE G2414.4.4(2) CSST FITTING
COMMENTARY FIGURE G2414.4.4(3) CSST FITTING
COMMENTARY FIGURE G2414.4.4(4) CSST FITTING
COMMENTARY FIGURE G2414.4.4(5) MULTIPORT MANIFOLD INSTALLATION USING CSST
COMMENTARY FIGURE G2414.4.4(6) TOP PLATE TUBING PROTECTION SHIELD
240 COMMENTARY FIGURE G2414.4.4(7) LOW-PRESSURE GAS PIPING SYSTEM USING CSST
COMMENTARY FIGURE G2414.4.4(8) MEDIUM-PRESSURE GAS PIPING SYSTEM USING CSST
241 COMMENTARY FIGURE G2414.4.4(9) CSST MANUFACTURED FOR UNDERGROUND INSTALLATION
242 COMMENTARY FIGURE G2414.4.4(10) EXCERPT FROM CSST MANUFACTURER’S INSTALLATION INSTRUCTIONS
COMMENTARY FIGURE G2414.4.4(11) EXCERPT FROM CSST MANUFACTURER’S INSTALLATION INSTRUCTIONS
COMMENTARY FIGURE G2414.4.4(12) MANIFOLD FOR 2 PSI PARALLEL DISTRIBUTION SYSTEM
COMMENTARY FIGURE G2414.4.4(13) “STUB-OUT” TERMINATION TRANSITION FITTING
COMMENTARY FIGURE G2414.4.4(14) “VALVE BOX” TERMINATION TRANSITION FITTING
243 COMMENTARY FIGURE G2414.4.4(15) TERMINATION TRANSITION FITTING
COMMENTARY FIGURE G2414.5 PE PIPE MARKINGS
244 COMMENTARY FIGURE G2414.5.1(1) SERVICE HEAD ADAPTERS
COMMENTARY FIGURE G2414.5.1(2) SERVICE HEAD ADAPTERS
COMMENTARY FIGURE G2414.5.1(3) FLEXIBLE ANODELESS RISER
245 COMMENTARY FIGURE G2414.8 TAPERED THREAD COUPLING IN CONNECTION TO FURNACE
246 TABLE G2414.8.2 (403.8.2) SPECIFICATIONS FOR THREADING METALLIC PIPE
COMMENTARY FIGURE G2414.8.3 THREADED JOINT PIPE TAPE
247 COMMENTARY FIGURE G2414.9.2 PRESS-CONNECT COPPER FITTING
248 COMMENTARY FIGURE 2414.9.5(1) DRILLED AND TAPPED FITTING
249 COMMENTARY FIGURE 2414.9.5(2) OUTDOOR METER SETTING
COMMENTARY FIGURE G2414.10(1) MECHANICAL JOINTS
250 COMMENTARY FIGURE G2414.10(2) MECHANICAL JOINT
COMMENTARY FIGURE G2414.10(3) PLASTIC PIPE TRANSITION FITTING
SECTION G2415 (404) PIPING SYSTEM INSTALLATION
251 COMMENTARY FIGURE G2414.10(4) PLASTIC PIPE TRANSITION FITTING
252 COMMENTARY FIGURE G2415.3 PROHIBITED TOWNHOUSE INSTALLATION
253 COMMENTARY FIGURE G2415.5 THREADED FITTINGS PERMITTED IN CONCEALED SPACES
COMMENTARY FIGURE G2415.6 ABOVE-GRADE ENTRANCE/EXIT
254 COMMENTARY FIGURE G2415.7 PIPE PROTECTION
255 COMMENTARY FIGURE G2415.8 PIPING IN SOLID FLOORS
256 COMMENTARY FIGURE G2415.8.2 PIPE UNDER SLAB BETWEEN INTERIOR POINTS
257 COMMENTARY FIGURE G2415.10 LP-GAS PIPING ISOLATION
258 COMMENTARY FIGURE G2415.11(1) FACTORY APPLIED CORROSION PROTECTION FOR UNDERGROUND STEEL PIPE
COMMENTARY FIGURE G2415.11(2) ANODELESS RISER
259 COMMENTARY FIGURE G2415.12 MINIMUM BURIAL DEPTH
260 COMMENTARY FIGURE G2415.14(1) UNDERGROUND CSST
COMMENTARY FIGURE G2415.14(2) GAS PIPING LISTED FOR INSTALLATION BENEATH BUILDINGS
COMMENTARY FIGURE G2415.14(3) UNDERGROUND CSST
COMMENTARY FIGURE G2415.14(4) UNDERGROUND CSST
262 COMMENTARY FIGURE G2415.17.1 PIPING UNDER SLABS
263 SECTION G2416 (405) PIPING BENDS AND CHANGES IN DIRECTION
264 SECTION G2417 (406) INSPECTION, TESTING AND PURGING
265 COMMENTARY FIGURE G2417.1.4 PIPING ISOLATION ARRANGEMENT FOR TESTING
266 COMMENTARY FIGURE G2417.3.3 MANUFACTURER’S WARNING REGARDING PRESSURE TESTING OF GAS PIPING
267 COMMENTARY FIGURE G2417.4(1) TYPICAL TEST SET-UP FOR AIR-PRESSURE TESTING
COMMENTARY FIGURE G2417.4(2) ELECTRONIC PRESSURE GAUGE
COMMENTARY FIGURE G2417.4(3) LEAK DETECTOR INSTRUMENT
COMMENTARY FIGURE G2417.4(4) ELECTRONIC LEAK DETECTOR INSTRUMENT
270 TABLE G2417.7.1.1 (406.7.1.1) SIZE AND LENGTH OF PIPING
272 SECTION G2418 (407) PIPING SUPPORT
273 SECTION G2419 (408) DRIPS AND SLOPED PIPING
FIGURE G2419.4 (408.4) METHOD OF INSTALLING A TEE FITTING SEDIMENT TRAP
274 COMMENTARY FIGURE G2419.4(1) SEDIMENT TRAP
COMMENTARY FIGURE G2419.4(2) RELATIVELY INEFFECTIVE SEDIMENT TRAP CONFIGURATION
SECTION G2420 (409) SHUTOFF VALVES
275 TABLE G2420.1.1 (409.1.1) MANUAL GAS VALVE STANDARDS
COMMENTARY FIGURE G2420.1.1(1) BALL-TYPE GAS SHUTOFF VALVE
COMMENTARY FIGURE G2420.1.1(2) BALL-TYPE GAS SHUTOFF VALVE DESIGNED TO MATE WITH A CONNECTOR
276 COMMENTARY FIGURE G2420.5.1(1) SHUTOFF VALVE IN CONTROL COMPARTMENT OF GAS FIREPLACE
277 COMMENTARY FIGURE G2420.5.1(2) SHUTOFF VALVE BEHIND MOVABLE APPLIANCE
278 COMMENTARY FIGURE G2420.6 SHUTOFF VALVES REQUIRE SUPPORT INDEPENDENT OF GAS TUBING
SECTION G2421 (410) FLOW CONTROLS
COMMENTARY FIGURE G2421.1(1) GAS PRESSURE REGULATOR
279 COMMENTARY FIGURE G2421.1(2) SERVICE REGULATOR
COMMENTARY FIGURE G2421.1(3) GAS PRESSURE REGULATOR
COMMENTARY FIGURE G2421.1(4) SYSTEM PRESSURES
281 COMMENTARY FIGURE G2421.2(1) SYSTEM PRESSURES
COMMENTARY FIGURE G2421.2(2) PRESSURE REGULATOR/OVERPRESSURE PROTECTION DEVICE ASSEMBLIES
282 COMMENTARY FIGURE G2421.2(3) UNION BEFORE OR AFTER REGULATOR
COMMENTARY FIGURE G2421.2(4) COMBINATION GAS VALVE WITH PRESSURE TEST PORT ON THE GAS CONTROL INLET SIDE
COMMENTARY FIGURE G2421.3(1) REGULATOR WITH VENT PROTECTION
COMMENTARY FIGURE G2421.3(2) PRESSURE REGULATOR WITH VENT-LIMITING DEVICE
283 COMMENTARY FIGURE G2421.4 EXAMPLE OF EXCESS FLOW VALVE
SECTION G2422 (411) APPLIANCE CONNECTIONS
284 COMMENTARY FIGURE G2422.1(1) PIPING SYSTEM SIZING AND APPLIANCE CONNECTION AND CONNECTOR SIZING
COMMENTARY FIGURE G2422.1(2) QUICK-DISCONNECT DEVICE FOR USE WITH COMMERICAL APPLIANCE CONNECTORS
COMMENTARY FIGURE G2422.1(3) QUICK-DISCONNECT DEVICE FOR USE WITH COMMERCIAL APPLIANCE CONNECTORS
285 COMMENTARY FIGURE G2422.1(4) CSST DIRECTLY CONNECTED TO NONMOVABLE APPLIANCE
286 COMMENTARY FIGURE G2422.1(5) CSST TERMINATED AT APPLIANCE LOCATION
COMMENTARY FIGURE G2422.1(6) SEMIRIGID (FLEXIBLE) APPLIANCE CONNECTOR
COMMENTARY FIGURE G2422.1(7) OUTDOOR MOBILE HOME CONNECTOR
287 COMMENTARY FIGURE G2422.1(8) OUTDOOR GAS HOSE CONNECTOR
COMMENTARY FIGURE G2422.1.2.1(1) APPLIANCE FUEL CONNECTOR
288 COMMENTARY FIGURE G2422.1.2.1(2) APPLIANCE FUEL CONNECTOR
289 COMMENTARY FIGURE G2422.1.2.3 CONNECTOR PIPING DOWNSTREAM OF SHUTOFF VALVE
290 COMMENTARY FIGURE G2422.2(1) EXAMPLE OF ONE MANUFACTURER’S INSTALLATION INSTRUCTIONS
COMMENTARY FIGURE G2422.2(2) END VIEW OF COMMENTARY FIGURE G2422.2(1)
SECTION G2423 (413) COMPRESSED NATURAL GAS MOTOR VEHICLE FUEL-DISPENSING FACILITIES
291 SECTION G2424 (415) PIPING SUPPORT INTERVALS
TABLE G2424.1 (415.1) SUPPORT OF PIPING
SECTION G2425 (501) GENERAL
292 COMMENTARY FIGURE G2425.6 VENT DESIGNED FOR GATEGORY III AND IV (POSITIVE PRESSURE) APPLICATIONS
294 COMMENTARY FIGURE G2425.13(1) MASONRY CHIMNEY RELINING SYSTEM
COMMENTARY FIGURE G2425.13(2) MASONRY CHIMNEY RELINING SYSTEM
295 COMMENTARY FIGURE G2425.13(3) MASONRY CHIMNEY RELINING BY INSTALLATION OF TYPE B VENT SYSTEM
COMMENTARY FIGURE G2425.13(4) MASONRY CHIMNEY RELINING SYSTEM
COMMENTARY FIGURE G2425.14 SPECIAL VENT SYSTEM FOR CATEGORY II, III AND IV APPLIANCES
296 COMMENTARY FIGURE G2425.15 APPLIANCE REPLACEMENTS AFFECTING EXISTING APPLIANCES
297 SECTION G2426 (502) VENTS
COMMENTARY FIGURE G2426.1(1) CATEGORY I FAN-ASSISTED FURNACE
298 COMMENTARY FIGURE G2426.1(2) CATEGORY IV APPLIANCE (FURNACE)
COMMENTARY FIGURE G2426.1(3) TYPE B GAS VENT SERVING TWO CATEGORY I APPLIANCES
299 COMMENTARY FIGURE G2426.1(4) TYPE B VENT SECTIONS WITH AIR SPACE BETWEEN PIPE WALLS
300 COMMENTARY FIGURE G2426.7 PLAN VIEW OF STUD WALL
SECTION G2427 (503) VENTING OF APPLIANCES
301 COMMENTARY FIGURE G2426.7.1(1) DOOR SWING
COMMENTARY FIGURE G2426.7.1(2) DOOR SWING
302 COMMENTARY FIGURE G2427.2.1(1) DIRECT-VENT APPLIANCE
COMMENTARY FIGURE G2427.2.1(2) DIRECT-VENT (SEPARATED COMBUSTION) UNIT HEATERS
303 COMMENTARY FIGURE G2427.2.1(3) EXAMPLE OF MANUFACTURER’S DETAIL FOR DIRECT-VENT APPLIANCE CONCENTRIC VENT-AIR INTAKE TERMINAL
COMMENTARY FIGURE G2427.2.1(4) DIRECT-VENT APPLIANCES
COMMENTARY FIGURE G2427.2.1(5) GRAVITY DIRECT-VENT WATER HEATER
COMMENTARY FIGURE G2427.2.1(6) DIRECT-VENT SYSTEM COMPONENTS
304 COMMENTARY FIGURE G2427.2.2(1) HOT WATER BOILER WITH INTEGRAL VENT FOR OUTDOOR INSTALLATION
COMMENTARY FIGURE G2427.2.2(2) OUTDOOR DUCT FURNACE WITH INTEGRAL POWER VENTING
305 COMMENTARY FIGURE G2427.2.2(3) ROOFTOP HVAC UNIT WITH INTEGRAL POWER VENT
306 COMMENTARY FIGURE G2427.3.3(1) VERTICAL DRAFT INDUCER
COMMENTARY FIGURE G2427.3.3(2) HORIZONTAL POWER EXHAUSTER
COMMENTARY FIGURE G2427.3.3(3) HORIZONTAL POWER EXHAUSTERS
COMMENTARY FIGURE G2427.3.3(4) POWER EXHAUSTER OUTDOOR TERMINAL-TYPE UNIT
307 COMMENTARY FIGURE G2427.3.3(5) EXHAUSTER AND CONTROL PACKAGE
COMMENTARY FIGURE G2427.3.3(6) TYPICAL POWER EXHAUSTER
COMMENTARY FIGURE G2427.3.3(7) TYPICAL EXHAUSTER APPLICATIONS
308 COMMENTARY FIGURE G2427.3.3(8) DRAFT INDUCER
COMMENTARY FIGURE G2427.3.3(9) DRAFT INDUCER
COMMENTARY FIGURE G2427.3.3(10) POWER-VENTED WATER HEATER
309 COMMENTARY FIGURE G2427.3.3(11) SIMPLIFIED SAMPLE INTERLOCK DIAGRAM FOR APPLIANCE SERVED BY POWER EXHAUSTER
310 COMMENTARY FIGURE G2427.3.5 VENTS THROUGH AIR PLENUMS
COMMENTARY FIGURE G2427.4 DETERMINING VENT HEIGHT
311 TABLE G2427.4 (503.4) TYPE OF VENTING SYSTEM TO BE USED
312 COMMENTARY FIGURE G2427.4.1(1) PLASTIC VENTING MATERIAL
COMMENTARY FIGURE G2427.4.1(2) SAMPLE OF LABEL FOR UL LISTED PLASTIC VENT SYSTEM
COMMENTARY FIGURE G2427.4.1(3) POLYPROPYLENE PLASTIC VENT SYSTEM
COMMENTARY FIGURE G2427.4.1(4) POLYPROPYLENE PLASTIC VENT SYSTEM
313 COMMENTARY FIGURE G2427.4.1(5) PLASTIC VENT SYSTEM CONFORMING TO UL 1738
314 COMMENTARY FIGURE G2427.5.3(1) LOW-HEAT CHIMNEY TERMINATIONS
315 COMMENTARY FIGURE G2427.5.3(2) DECORATIVE SHROUDS
316 COMMENTARY FIGURE G2427.5.5.1(1) CHIMNEY LINING SYSTEM FOR GAS APPLIANCES
COMMENTARY FIGURE G2427.5.5.1(2) DIRECT-VENT GAS APPLIANCE FOR INSTALLATION IN SOLID-FUEL FIREPLACE
317 COMMENTARY FIGURE G2427.5.5.1(3) CODE-COMPLIANT CHIMNEY LINING REQUIRED FOR REPLACEMENT APPLIANCE
319 FIGURE G2427.6.4 (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
320 COMMENTARY FIGURE G2427.6.4 TOP LOCATION RULES
321 COMMENTARY FIGURE G2427.6.4.1 DECORATIVE SHROUDS
322 COMMENTARY FIGURE G2427.6.7 GAS VENT TERMINATIONS WITH RESPECT TO FORCED-AIR INTAKES
324 COMMENTARY FIGURE G2427.6.12 FASTENER PENETRATIONS
327 FIGURE G2427.8 (503.8) THROUGH-THE-WALL VENT TERMINAL CLEARANCES
328 TABLE G2427.8 (503.8) THROUGH-THE-WALL VENT TERMINAL CLEARANCES
329 COMMENTARY FIGURE G2427.8(1) MECHANICAL DRAFT VENTING SYSTEM EXHAUSTER TERMINATIONS
330 COMMENTARY FIGURE G2427.8(2) EXAMPLE OF MANUFACTURER’S DETAIL FOR DIRECT-VENT APPLIANCE TERMINAL
COMMENTARY FIGURE G2427.8(3) EXAMPLE OF MANUFACTURER’S DETAIL FOR DIRECT-VENT APPLIANCE TERMINAL
COMMENTARY FIGURE G2427.8(4) DIRECT-VENT HOT WATER BOILER
331 TABLE G2427.10.2.4 (503.10.2.4) MINIMUM THICKNESS FOR GALVANIZED STEEL VENT CONNECTORS FOR LOW-HEAT APPLIANCES
COMMENTARY FIGURE G2427.10.2.2 LISTED BENDABLE DOUBLE-WALL CONNECTOR
COMMENTARY FIGURE G2427.8(5) SIDEWALL TERMINATION CLEARANCE
333 COMMENTARY FIGURE G2427.10.3.4(1) MANIFOLD SIZING
COMMENTARY FIGURE G2427.10.3.4(2) COMMON VENT OFFSET AND MANIFOLD
334 COMMENTARY FIGURE G2427.10.4.1 OPPOSING OPENINGS IN CHIMNEY
TABLE G2427.10.5 (503.10.5) CLEARANCES FOR CONNECTORSa
335 COMMENTARY FIGURE G2427.10.7(1) PROHIBITED INSTALLATION
COMMENTARY FIGURE G2427.10.7(2) TEE OR WYE FITTING
336 COMMENTARY FIGURE G2427.10.9 VENT HEIGHT
337 COMMENTARY FIGURE G2427.10.14 TYPE B VENT CONNECTOR PENETRATIONS
338 COMMENTARY FIGURE G2427.12.1 DRAFT-HOOD-EQUIPPED APPLIANCE
340 COMMENTARY FIGURE G2427.14 AUTOMATIC VENT DAMPERS
341 SECTION G2428 (504) SIZING OF CATEGORY I APPLIANCE VENTING SYSTEMS
342 COMMENTARY FIGURE G2428.1(1) COMBUSTION PROCESS FOR NATURAL GAS
COMMENTARY FIGURE G2428.1(2) FLUE GAS COMPOSITION
COMMENTARY FIGURE G2428.1(3) DRAFT-HOOD APPLIANCE COMPARED TO FAN-ASSISTED APPLIANCE
COMMENTARY FIGURE G2428.1(4) ILLUSTRATION OF THE BASIC PRINCIPLE OF FAN-ASSISTED COMBUSTION
344 COMMENTARY FIGURE G2428.1(5) FAN-ASSISTED HOT WATER BOILER
COMMENTARY FIGURE G2428.2(1) EXAMPLE OF INDIVIDUAL VENT DIMENSIONS
345 COMMENTARY FIGURE G2428.2(2) INDIVIDUAL VENT— LATERAL AND HEIGHT
COMMENTARY FIGURE G2428.2.1 CATEGORY I NATURAL DRAFT HOT WATER BOILER WITH DRAFT HOOD AND AUTOMATIC VENT DAMPER
346 TABLE G2428.2(1) [504.2(1)] TYPE B DOUBLE-WALL GAS VENT
347 TABLE G2428.2(2) [504.2(2)] TYPE B DOUBLE-WALL GAS VENT
348 TABLE G2428.2(2) [504.2(2)]—continued TYPE B DOUBLE-WALL GAS VENT
352 COMMENTARY FIGURE G2428.2.9(1) MASONRY CHIMNEY COMPARED TO TYPE B VENT
COMMENTARY FIGURE G2428.2.9(2) HEIGHT ABOVE ROOF
355 COMMENTARY FIGURE G2428.3(1) COMBINED VENT DIMENSIONS
356 COMMENTARY FIGURE G2428.3(2) FAN AND NAT VENT SIZING EXAMPLE
358 TABLE G2428.3(1) [504.3(1)] TYPE B DOUBLE-WALL VENT
359 TABLE G2428.3(2) [504.3(2)] TYPE B DOUBLE-WALL VENT
360 TABLE G2428.3(3) [504.3(3)] MASONRY CHIMNEY
361 TABLE G2428.3(4) [504.3(4)] MASONRY CHIMNEY
362 TABLE G2428.3.2 (504.3.2) MAXIMUM VENT CONNECTOR LENGTH
364 COMMENTARY FIGURE G2428.3.5 COMMON VENT OFFSET IN ATTIC FOR THE PURPOSE OF AVOIDING A STREET-SIDE ROOF PENETRATION
365 COMMENTARY FIGURE G2428.3.6(1) OFFSET IN COMMON VENT AND CONNECTORS
COMMENTARY FIGURE G2428.3.6(2) TYPE B VENT ADJUSTABLE 45-DEGREE ELBOW FITTING
COMMENTARY FIGURE G2428.3.6(3) TYPE B VENT ADJUSTABLE 90-DEGREE ELBOW FITTING
366 COMMENTARY FIGURE G2428.3.9(1) TYPE B VENT REDUCING TEE
COMMENTARY FIGURE G2428.3.9(2) TYPE B VENT REDUCING WYE
367 COMMENTARY FIGURE G2428.3.9.1 SINGLE-WALL TEES AND WYES PROHIBITED IN TYPE B COMMON VENT SYSTEMS
COMMENTARY FIGURE G2428.3.11 CONNECTOR RISE
369 SECTION G2429 (505) DIRECT-VENT, INTEGRAL VENT, MECHANICAL VENT AND VENTILATION/EXHAUST HOOD VENTING
SECTION G2430 (506) FACTORY-BUILT CHIMNEYS
COMMENTARY FIGURE G2430.1(1) FACTORY-BUILT CHIMNEY
SECTION G2431 (601) GENERAL
370 COMMENTARY FIGURE G2430.1(2) FACTORY BUILT AIR-COOLED CHIMNEY SYSTEM
SECTION G2432 (602) DECORATIVE APPLIANCES FOR INSTALLATION IN FIREPLACES
COMMENTARY FIGURE G2432.1 VENTED GAS LOG SET
372 COMMENTARY FIGURE G2432.2(1) COMBINATION GAS CONTROL
COMMENTARY FIGURE G2432.2(2) COMBINATION GAS CONTROL FOR APPLIANCES
SECTION G2433 (603) LOG LIGHTERS
373 SECTION G2434 (604) VENTED GAS FIREPLACES (DECORATIVE APPLIANCES)
COMMENTARY FIGURE G2434.1(1) VENTED DECORATIVE APPLIANCE
COMMENTARY FIGURE G2434.1(2) DIRECT-VENT DECORATIVE APPLIANCE
COMMENTARY FIGURE G2434.1(3) DIRECT-VENT DECORATIVE APPLIANCE
374 SECTION G2435 (605) VENTED GAS FIREPLACE HEATERS
COMMENTARY FIGURE G2435.1 VENTED GAS FIREPLACE HEATER
SECTION G2436 (608) VENTED WALL FURNACES
375 SECTION G2437 (609) FLOOR FURNACES
COMMENTARY FIGURE G2437.1 FLOOR FURNACE
376 SECTION G2438 (613) CLOTHES DRYERS
COMMENTARY FIGURE G2438.1 TYPE I CLOTHES DRYER LABEL
SECTION G2439 (614) CLOTHES DRYER EXHAUST
378 COMMENTARY FIGURE G2439.4(1) DRYER EXHAUST DUCT POWER VENTILATOR (DEDPV)
379 COMMENTARY FIGURE G2439.4(2) DRYER EXHAUST DUCT POWER VENTILATORS (DEDPV) INSTALLATION
COMMENTARY FIGURE G2439.5.1 MAKEUP AIR FOR A CLOSET INSTALLATION OF A DRYER
380 COMMENTARY FIGURE G2439.6 DRYER EXHAUST DUCT PROTECTION
381 COMMENTARY FIGURE G2439.7.2 FASTENER PENETRATION
382 TABLE G2439.7.4.1 (TABLE 614.9.4.1) DRYER EXHAUST DUCT FITTING EQUIVALENT LENGTH
COMMENTARY FIGURE G2439.7.5 LENGTH LABEL
SECTION G2440 (615) SAUNA HEATERS
383 SECTION G2441 (617) POOL AND SPA HEATERS
SECTION G2442 (618) FORCED-AIR WARM-AIR FURNACES
385 SECTION G2443 (619) CONVERSION BURNERS
SECTION G2444 (620) UNIT HEATERS
COMMENTARY FIGURE G2444.1(1) DIRECT-VENT UNIT HEATER
386 COMMENTARY FIGURE G2444.1(2) POWER-VENTED UNIT HEATER
COMMENTARY FIGURE G2444.1(3) UNIT HEATER VENTING (TYPICAL)
COMMENTARY FIGURE G2444.1(4) DRAFT-HOOD-EQUIPPED UNIT HEATER
387 COMMENTARY FIGURE G2444.1(5) FUNDAMENTAL COMPONENTS OF UNIT HEATER
SECTION G2445 (621) UNVENTED ROOM HEATERS
COMMENTARY FIGURE G2445.1(1) UNVENTED ROOM HEATER
COMMENTARY FIGURE G2445.1(2) UNVENTED ROOM HEATER
389 COMMENTARY FIGURE G2445.7.1 FIREBOX FOR UNVENTED ROOM HEATER
SECTION G2446 (622) VENTED ROOM HEATERS
COMMENTARY FIGURE G2446.1 VENTED ROOM HEATER
SECTION G2447 (623) COOKING APPLIANCES
390 COMMENTARY FIGURE G2447.2 COOKING RANGE IN DWELLING
COMMENTARY FIGURE G2447.3(1) DOMESTIC (HOUSEHOLD) RANGE
391 COMMENTARY FIGURE G2447.3(2) HOUSEHOLD-TYPE COOKING APPLIANCE LABEL
COMMENTARY FIGURE G2447.5 CLEARANCE ABOVE COOKING TOP
392 SECTION G2448 (624) WATER HEATERS
COMMENTARY FIGURE G2448.2(1) DIRECT-VENT WATER HEATER DESIGNED FOR BOTH POTABLE WATER HEATING AND SPACE HEATING APPLICATIONS
SECTION G2449 (627) AIR-CONDITIONING APPLIANCES
393 COMMENTARY FIGURE G2448.2(2) WATER HEATER LABEL INDICATING SUITABILITY FOR BOTH POTABLE WATER HEATING AND SPACE HEATING
SECTION G2450 (628) ILLUMINATING APPLIANCES
394 SECTION G2451 (630) INFRARED RADIANT HEATERS
COMMENTARY FIGURE G2451.1(1) CERAMIC BURNER INFRARED RADIANT HEATER
COMMENTARY FIGURE G2451.1(2) TUBE-TYPE INFRARED RADIANT HEATER
COMMENTARY FIGURE G2451.1(3) TUBE-TYPE INFRARED RADIANT HEATER
SECTION G2452 (631) BOILERS
395 COMMEMTARY FIGURE G2451.1(4) SAMPLE LABEL INFRARED RADIANT TUBE HEATER
COMMENTARY FIGURE G2452.1 STEAM-HEATING BOILER WITH GAUGE GLASS, LOW-WATER CUTOFF CONTROL, PRESSURE GAUGE, PRESSURE LIMIT CONTROL AND AUTOMATIC VENT DAMPER
396 COMMENTARY FIGURE G2452.2(1) ELECTRONIC PROBE-TYPE LOW-WATER CUTOFF CONTROL WITH GAUGE GLASS AND TRI-COCKS FOR STEAM BOILER APPLICATION
COMMENTARY FIGURE G2452.2(2) ELECTRONIC PROBE-TYPE LOW-WATER CUTOFF CONTROL FOR HOT WATER BOILER APPLICATION
COMMENTARY FIGURE G2452.2(3) ELECTRONIC PROBE-TYPE LOW-WATER CUTOFF CONTROL FOR HOT WATER BOILER APPLICATION
SECTION G2453 (635) OUTDOOR DECORATIVE APPLIANCES
397 COMMENTARY FIGURE G2453.1 OUTDOOR (CAMPFIRE) DECORATIVE APPLIANCE
BIBLIOGRAPHY
398 PART VII—PLUMBING
CHAPTER 25: PLUMBING ADMINISTRATION
GENERAL COMMENTS
PURPOSE
SECTION P2501 GENERAL
SECTION P2502 EXISTING PLUMBING SYSTEMS
399 SECTION P2503 INSPECTION AND TESTS
400 COMMENTARY FIGURE P2503.5.2(1) SMOKE-GENERATING EQUIPMENT
401 COMMENTARY FIGURE P2503.5.2(2) SMOKE INDICATING PRESENCE OF LEAK
COMMENTARY FIGURE P2503.6(1) TESTING OF FIELD-FABRICATED SHOWER LINER
COMMENTARY FIGURE P2503.6(2) INSTALLED SHOWER LINER READY FOR TESTING
403 COMMENTARY FIGURE P2503.9 IMPROPER GAUGE FOR TEST (DIAL INCREMENTS TOO LARGE)
404 CHAPTER 26: GENERAL PLUMBING REQUIREMENTS
GENERAL COMMENTS
PURPOSE
SECTION P2601 GENERAL
405 SECTION P2602 INDIVIDUAL WATER SUPPLY AND SEWAGE DISPOSAL
406 SECTION P2603 STRUCTURAL AND PIPING PROTECTION
408 COMMENTARY FIGURE P2603.2(1) NOTCHING AND BORING IN A WOOD STUD WALL
COMMENTARY FIGURE P2603.2(2) VIOLATION: NOTCHES TOO DEEP IN STUDS
409 COMMENTARY FIGURE P2603.2(3) VIOLATION: EXTERIOR STUD NOTCHED TOO DEEP
COMMENTARY FIGURE P2603.2(4) VIOLATION: EXTERIOR STUD COMPLETELY SEVERED
410 COMMENTARY FIGURE P2603.2(5) VIOLATION: (LOAD-) BEARING WALL TOP PLATE NOT REINFORCED
COMMENTARY FIGURE P2603.2(6) VIOLATION: (LOAD-) BEARING WALL TOP PLATE NOT REINFORCED
411 COMMENTARY FIGURE P2603.2(7) LAMINATED VENEER LUMBER BEAM
COMMENTARY FIGURE P2603.2(8) VIOLATION: TOP CHORD OF TRUSS NOTCHED
412 COMMENTARY FIGURE P2603.2(9) VIOLATION: HOLE IN BOTTOM CHORD OF ROOF TRUSS
COMMENTARY FIGURE P2603.2(10) VIOLATION: TOP CHORD OF I-JOIST COMPLETELY SEVERED
413 COMMENTARY FIGURE P2603.2(11) VIOLATION: I-JOIST WEB HOLES IRREGULAR SHAPE, TOO LARGE, TOO CLOSE TOGETHER
415 COMMENTARY FIGURE P2603.2.1(1) REQUIRED SHIELD PLATES
COMMENTARY FIGURE P2603.2.1(2) PIPE PROTECTION VIOLATION
416 COMMENTARY FIGURE P2603.4(1) PIPE PROTECTION
COMMENTARY FIGURE P2603.4(2) BUILDING DRAIN PENETRATION OF BLOCK FOUNDATION WALL
417 COMMENTARY FIGURE P2603.5(1) PROTECTION AGAINST FREEZING
COMMENTARY FIGURE P2603.5(2) WATER DISTRIBUTION PIPING IN EXTERIOR WALL
418 COMMENTARY FIGURE P2603.5(3) PIPING IN EXTERIOR WALL
COMMENTARY FIGURE P2603.5(4) TYPICAL FREEZEPROOF HOSE FAUCET INSTALLATION
419 COMMENTARY FIGURE P2603.5(5) SEVERE FROST PENETRATION LEVELS
COMMENTARY FIGURE P2603.5(6) REQUIRED BURIAL DEPTH
420 SECTION P2604 TRENCHING AND BACKFILLING
COMMENTARY FIGURE P2604.3 TAMPING LOOSE FILL IN 6-INCH LAYERS
421 COMMENTARY FIGURE P2604.4 EXCAVATION IN RELATION TO FOOTING
SECTION P2605 SUPPORT
COMMENTARY FIGURE P2605.1(1) POINT OF SAG BETWEEN HANGERS
423 COMMENTARY FIGURE P2605.1(2) PREVENTING PIPING SWAY, 4 INCH AND LARGER PIPING
SECTION P2606 PENETRATIONS
SECTION P2607 WATERPROOFING OF OPENINGS
424 TABLE P2605.1 PIPING SUPPORT
SECTION P2608 WORKMANSHIP
425 COMMENTARY FIGURE P2607.1 FLASHINGS AT ROOF PENETRATIONS
COMMENTARY FIGURE P2608.1 PREPARATION OF PIPE END
SECTION P2609 MATERIALS EVALUATION AND LISTING
426 COMMENTARY FIGURE P2609.4 SAMPLE MARKING OF PVC PRESSURE PIPE
428 CHAPTER 27: PLUMBING FIXTURES
GENERAL COMMENTS
PURPOSE
SECTION P2701 FIXTURES, FAUCETS AND FIXTURE FITTINGS
SECTION P2702 FIXTURE ACCESSORIES
429 TABLE P2701.1 PLUMBING FIXTURES, FAUCETS AND FIXTURE FITTINGS
430 COMMENTARY FIGURE P2702.4 WALL-HUNG WATER CLOSET
SECTION P2703 TAIL PIECES
SECTION P2704 SLIP-JOINT CONNECTIONS
COMMENTARY FIGURE P2704.1 SLIP JOINT
431 SECTION P2705 INSTALLATION
COMMENTARY FIGURE P2705.1(1) WATER CLOSET FLOOR FLANGE
432 COMMENTARY FIGURE P2705.1(2) LAVATORY PROPERLY SEALED TO WALL
COMMENTARY FIGURE P2705.1(3) FIXTURE CLEARANCES
433 COMMENTARY FIGURE P2705.1(4) FIXTURE OBSTRUCTION OF DOOR
SECTION P2706 WASTE RECEPTORS
COMMENTARY FIGURE P2706.1 WASTE RECEPTORS
434 COMMENTARY FIGURE P2706.1.2 STANDPIPE OPENING
435 COMMENTARY FIGURE P2706.1.2.1 LAUNDRY TRAY CONNECTION TO STANDPIPE
SECTION P2707 DIRECTIONAL FITTINGS
SECTION P2708 SHOWERS
436 COMMENTARY FIGURE P2708.1 SHOWER COMPARTMENT
438 COMMENTARY FIGURE P2708.3(1) SECURING SHOWER RISER
COMMENTARY FIGURE P2708.3(2) SPECIAL BRACKET FOR SHOWER RISER
439 COMMENTARY FIGURE P2708.4 TEMPERATURE BURN CHART
441 SECTION P2709 SHOWER RECEPTORS
COMMENTARY FIGURE P2709.1 DRAIN AND LINER ARRANGEMENT FOR FIELD-BUILT SHOWER
444 SECTION P2710 SHOWER WALLS
SECTION P2711 LAVATORIES
SECTION P2712 WATER CLOSETS
446 SECTION P2713 BATHTUBS
447 COMMENTARY FIGURE P2713.3 DELIVERED WATER TEMPERATURE LIMITS AND TEMPERATURE CONTROL OR DEVICE STANDARDS
448 SECTION P2714 SINKS
SECTION P2715 LAUNDRY TUBS
SECTION P2716 FOOD-WASTE DISPOSER
449 SECTION P2717 DISHWASHING MACHINES
COMMENTARY FIGURE P2717.2 DISHWASHER WASTE CONNECTIONS
SECTION P2718 CLOTHES WASHING MACHINE
SECTION P2719 FLOOR DRAINS
450 SECTION P2720 WHIRLPOOL BATHTUBS
COMMENTARY FIGURE P2720.1(1) NONCOMPLIANT WHIRLPOOL BATHTUB PUMP ACCESS (PIPING BLOCKING ACCESS)
451 COMMENTARY FIGURE P2720.1(2) NONCOMPLIANT WHIRLPOOL BATHTUB PUMP ACCESS (IMPOSSIBLE TO REACH)
SECTION P2721 BIDET INSTALLATIONS
SECTION P2722 FIXTURE FITTING
452 SECTION P2723 MACERATING TOILET SYSTEMS
453 COMMENTARY FIGURE P2723.1(1) MACERATING TOILET SYSTEM
COMMENTARY FIGURE P2723.1(2) MACERATING TOILET PUMP/MACERATING UNIT
SECTION P2724 SPECIALTY TEMPERATURE CONTROL DEVICES AND VALVES
454 SECTION P2725 NONLIQUID SATURATED TREATMENT SYSTEMS
BIBLIOGRAPHY
456 CHAPTER 28: WATER HEATERS
GENERAL COMMENTS
PURPOSE
SECTION P2801 GENERAL
457 COMMENTARY FIGURE P2801.1(1) TYPICAL CAPACITY TABLE FOR TANKLESS WATER HEATERS
COMMENTARY FIGURE P2801.1(2) TYPICAL CAPACITY GRAPH FOR TANKLESS WATER HEATERS
458 COMMENTARY FIGURE P2801.1(3) OPERATING POINT FOR TANKLESS WATER HEATERS
460 COMMENTARY FIGURE P2801.6 WATER HEATER IN DRAIN PAN
461 SECTION P2802 SOLAR WATER HEATING SYSTEMS
462 COMMENTARY FIGURE P2801.8 EXAMPLE OF SEISMIC RESTRAINT FOR SMALL WATER HEATERS
SECTION P2803 WATER HEATERS USED FOR SPACE HEATING
463 COMMENTARY FIGURE P2803.2 USING POTABLE HOT WATER FOR BOTH SPACE HEATING AND DOMESTIC USE
SECTION P2804 RELIEF VALVES
464 COMMENTARY FIGURE P2804.4 TEMPERATURE AND PRESSURE RELIEF VALVE INSTALLATION
466 COMMENTARY FIGURE P2804.7 BOTTOM-FED WATER HEATER
468 CHAPTER 29: WATER SUPPLY AND DISTRIBUTION
GENERAL COMMENTS
PURPOSE
SECTION P2901 GENERAL
FIGURE P2901.2.1 PICTOGRAPH—DO NOT DRINK
469 TABLE P2901.2.2.2 SIZE OF PIPE IDENTIFICATION
SECTION P2902 PROTECTION OF POTABLE WATER SUPPLY
471 COMMENTARY FIGURE P2902.1(1) EXAMPLE OF SIMPLE SIPHON
COMMENTARY FIGURE P2902.1(2) EXAMPLE OF ASPIRATION OR VENTURI PRINCIPLE
COMMENTARY FIGURE P2902.1(3) EXAMPLE OF PUMP CAUSING NEGATIVE PRESSURE
472 TABLE P2902.3 APPLICATION FOR BACKFLOW PREVENTERS
473 TABLE P2902.3.1 MINIMUM AIR GAPS
COMMENTARY FIGURE P2902.3.1(1) AIR GAP FOR A LAVATORY FAUCET
COMMENTARY FIGURE P2902.3.1(2) AIR GAPS—LOCATED NEAR SINGLE WALL
474 COMMENTARY FIGURE P2902.3.1(3) AIR GAPS—LOCATED NEAR INTERSECTING WALLS
475 COMMENTARY FIGURE P2902.3.4 PRESSURE VACCUM BREAKER
476 COMMENTARY FIGURE P2902.3.5 REDUCED PRESSURE PRINCIPLE BACKFLOW PREVENTER
477 COMMENTARY FIGURE P2902.4.3 HOSE CONNECTION VACUUM BREAKER
480 SECTION P2903 WATER SUPPLY SYSTEM
TABLE P2903.1 REQUIRED CAPACITIES AT POINT OF OUTLET DISCHARGE
481 TABLE P2903.2 MAXIMUM FLOW RATES AND CONSUMPTION FOR PLUMBING FIXTURES AND FIXTURE FITTINGSb
482 COMMENTARY FIGURE P2903.4 ONE METHOD OF THERMAL EXPANSION CONTROL
484 COMMENTARY FIGURE P2903.5 EXAMPLE OF MECHANICAL WATER HAMMER ARRESTORS
485 TABLE P2903.6 WATER SUPPLY FIXTURE UNIT VALUES FOR VARIOUS PLUMBING FIXTURES AND FIXTURE GROUPS
486 TABLE P2903.6(1) CONVERSIONS FROM WATER SUPPLY FIXTURE UNIT TO GALLON PER MINUTE FLOW RATES
TABLE P2903.8.1 MANIFOLD SIZINGa
487 COMMENTARY FIGURE P2903.8 SIMPLIFIED SCHEMATIC OF PARALLEL WATER DISTRIBUTION
488 COMMENTARY FIGURE P2903.9.1(1) VALVE AT END OF WATER SERVICE PIPING
COMMENTARY FIGURE P2903.9.1(2) DWELLING UNIT VALVES FOR DUPLEX
489 TABLE P2903.9.4 VALVES
490 COMMENTARY FIGURE P2903.9.5(1) FROSTPROOF YARD HYDRANT WITH STOP-AND-WASTE VALVE BELOW GRADE
COMMENTARY FIGURE P2903.9.5(2) VIOLATION: FROSTPROOF YARD HYDRANT CONNECTED TO WATER SERVICE LINE
COMMENTARY FIGURE P2903.9.5(3) SANITARY FROSTPROOF YARD HYDRANT
491 COMMENTARY FIGURE P2903.9.5(4) PROPER INSTALLATION OF FROSTPROOF YARD HYDRANT WITH STOP-AND-WASTE VALVE BELOW GRADE
FIGURE P2903.10 TYPICAL FROSTPROOF HOSE BIBB INSTALLATION NOT REQUIRING SEPARATE VALVE
492 SECTION P2904 DWELLING UNIT FIRE SPRINKLER SYSTEMS
493 COMMENTARY FIGURE P2904.2(1) PENDANT SPRINKLER
COMMENTARY FIGURE P2904.2(2) HORIZONTAL SIDEWALL SPRINKLER
494 TABLE P2904.2.2 LOCATIONS WHERE INTERMEDIATE TEMPERATURE SPRINKLERS ARE REQUIRED
COMMENTARY FIGURE P2904.2.2 SPRINKLER PLACEMENT NEAR CEILING-MOUNTED WARM AIR REGISTER
495 FIGURE P2904.2.4.2 MINIMUM ALLOWABLE DISTANCE BETWEEN SPRINKLER AND OBSTRUCTION
500 EQUATION 29-1
501 TABLE P2904.6.2(1) WATER SERVICE PRESSURE LOSS
502 TABLE P2904.6.2(2) MINIMUM WATER METER PRESSURE LOSS
TABLE P2904.6.2(3) ELEVATION LOSS
503 TABLE P2904.6.2(4) ALLOWABLE PIPE LENGTH FOR 3/4-INCH TYPE M COPPER WATER TUBING
504 TABLE P2904.6.2(5) ALLOWABLE PIPE LENGTH FOR 1-INCH TYPE M COPPER WATER TUBING
505 TABLE P2904.6.2(6) ALLOWABLE PIPE LENGTH FOR 3/4-INCH CPVC PIPE
506 TABLE P2904.6.2(7) ALLOWABLE PIPE LENGTH FOR 1-INCH CPVC PIPE
507 TABLE P2904.6.2(8) ALLOWABLE PIPE LENGTH FOR 3/4-INCH PEX AND PE-RT TUBING
508 TABLE P2904.6.2(9) ALLOWABLE PIPE LENGTH FOR 1-INCH PEX AND PE-RT TUBING
509 COMMENTARY FIGURE P2904.6.2.2(1) BUILDING PLAN
510 COMMENTARY FIGURE P2904.6.2.2(2) LOCATIONS OF SPRINKLERS
COMMENTARY FIGURE P2904.6.2.2(3) PIPING TO SPRINKLER
511 COMMENTARY FIGURE P2904.8.1(1) SPRINKLER SYSTEM ROUGH-IN
512 COMMENTARY FIGURE P2904.8.1(2) SPRINKLER SHOWN WITHOUT TEMPORARY PROTECTIVE COVER INSTALLED
SECTION P2905 HEATED WATER DISTRIBUTION SYSTEMS
SECTION P2906 MATERIALS, JOINTS AND CONNECTIONS
514 COMMENTARY FIGURE P2906.3 BENDING OF COILED TUBING
515 TABLE P2906.4 WATER SERVICE PIPE
516 COMMENTARY FIGURE P2906.4(1) WATER SERVICE MATERIAL TRANSITIONS
517 COMMENTARY FIGURE P2906.4(2) SAMPLE MARKING OF PEX TUBING
519 COMMENTARY FIGURE P2906.4.1(1) SEPARATION OF WATER SERVICE AND BUILDING SEWER
COMMENTARY FIGURE P2906.4.1(2) WATER SERVICE CROSSING OVER BUILDING SEWER
520 TABLE P2906.5 WATER DISTRIBUTION PIPE
521 TABLE P2906.6 PIPE FITTINGS
524 COMMENTARY FIGURE P2906.15 PREPARATION OF PIPE END
525 COMMENTARY FIGURE P2906.16 TYPICAL FLARED JOINT
COMMENTARY FIGURE P2906.18.1 DIELECTRIC UNION
527 SECTION P2907 CHANGES IN DIRECTION
SECTION P2908 SUPPORT
SECTION P2909 DRINKING WATER TREATMENT UNITS
528 SECTION P2910 NONPOTABLE WATER SYSTEMS
529 FIGURE P2910.3 PICTOGRAPH—DO NOT DRINK
533 TABLE P2910.9.6 SIZE OF DRAIN PIPES FOR WATER TANKS
534 SECTION P2911 ON-SITE NONPOTABLE WATER REUSE SYSTEMS
536 TABLE P2911.7.1 LOCATION OF NONPOTABLE WATER REUSE STORAGE TANKS
539 SECTION P2912 NONPOTABLE RAINWATER COLLECTION AND DISTRIBUTION SYSTEMS
541 TABLE P2912.10.1 LOCATION OF RAINWATER STORAGE TANKS
543 SECTION P2913 RECLAIMED WATER SYSTEMS
544 BIBLIOGRAPHY
546 CHAPTER 30: SANITARY DRAINAGE
GENERAL COMMENTS
PURPOSE
SECTION P3001 GENERAL
547 SECTION P3002 MATERIALS
TABLE P3002.1(1) ABOVE-GROUND DRAINAGE AND VENT PIPE
548 TABLE P3002.1(2) UNDERGROUND BUILDING DRAINAGE AND VENT PIPE
TABLE P3002.2 BUILDING SEWER PIPE
549 COMMENTARY FIGURE P3002.2 EXAMPLE OF FORCED MAIN PRESSURES
550 TABLE P3002.3 PIPE FITTINGS
SECTION P3003 JOINTS AND CONNECTIONS
557 COMMENTARY FIGURE P3003.14(1) GASKETED WASTE TUBE OUTLET CONNECTION FOR WATER CLOSET
COMMENTARY FIGURE P3003.14(2) WATER CLOSET FLOOR FLANGE
SECTION P3004 DETERMINING DRAINAGE FIXTURE UNITS
558 TABLE P3004.1 DRAINAGE FIXTURE UNIT (d.f.u.) VALUES FOR VARIOUS PLUMBING FIXTURES
559 SECTION P3005 DRAINAGE SYSTEM
TABLE P3005.1 FITTINGS FOR CHANGE IN DIRECTION
560 COMMENTARY FIGURE P3005.1(1) COMPARISON OF DIFFERENT 1 1/2-INCH LONG SWEEPS FOR VARIOUS PIPING MATERIALS
COMMENTARY FIGURE P3005.1(2) COMPARISON FOR 3-INCH COMBINATION WYE AND EIGHTH BEND FOR VARIOUS PIPING MATERIALS
COMMENTARY FIGURE P3005.1(3) DRAINAGE PATTERN FITTINGS
COMMENTARY FIGURE P3005.1(4) DRAINAGE PATTERN FITTINGS
561 COMMENTARY FIGURE P3005.1(5) DIFFERENCE BETWEEN PVC PLASTIC 1/4-BEND SHORT SWEEP AND 1/4-BEND VENT ELBOW
COMMENTARY FIGURE P3005.1(6) COMBINATION TEES
COMMENTARY FIGURE P3005.1(7) FITTING USES
563 COMMENTARY FIGURE P3005.1.1 DOUBLE SANITARY TEE APPLICATION WITH WATER CLOSETS
COMMENTARY FIGURE P3005.1.2(1) HEEL-INLET FITTINGS
COMMENTARY FIGURE P3005.1.2(2) SIDE INLET 1/4-BEND RECEIVING LAVATORY DRAIN (HORIZONTAL WET VENT SYSTEM)
568 COMMENTARY FIGURE P3005.4 DRAINAGE SYSTEM LAYOUT
569 TABLE P3005.4.1 MAXIMUM FIXTURE UNITS ALLOWED TO BE CONNECTED TO BRANCHES AND STACKS
TABLE P3005.4.2 MAXIMUM NUMBER OF FIXTURE UNITS ALLOWED TO BE CONNECTED TO THE BUILDING DRAIN, BUILDING DRAIN BRANCHES OR THE BUILDING SEWER
SECTION P3006 SIZING OF DRAIN PIPE OFFSETS
570 SECTION P3007 SUMPS AND EJECTORS
571 COMMENTARY FIGURE P3007.1(1) SUBMERSIBLE SEWAGE PUMP
572 COMMENTARY FIGURE P3007.1(2) VERTICAL SUSPENDED SEWAGE PUMP
573 COMMENTARY FIGURE P3007.5(1) MACERATING TOILET SYSTEM
574 COMMENTARY FIGURE P3007.5(2) MACERATING TOILET PUMP/MACERATING UNIT
TABLE 3007.6 MINIMUM CAPACITY OF SEWAGE PUMP OR SEWAGE EJECTOR
SECTION P3008 BACKWATER VALVES
575 COMMENTARY FIGURE P3008.1(1) BACKWATER VALVE LOCATION
COMMENTARY FIGURE P3008.1(2) BACKWATER VALVES
576 SECTION P3009 GRAYWATER SOIL ABSORPTION SYSTEMS
EQUATION 30-1
578 TABLE P3009.9 LOCATION OF SUBSURFACE IRRIGATION SYSTEM
TABLE P3009.10.1 DESIGN LOADING RATE
579 TABLE P3009.11 DISTRIBUTION PIPE
SECTION P3010 REPLACEMENT OF UNDERGROUND BUILDING SEWERS AND BUILDING DRAINS BY PIPE BURSTING METHODS
580 SECTION P3011 RELINING OF BUILDING SEWERS AND BUILDING DRAINS
582 CHAPTER 31: VENTS
GENERAL COMMENTS
PURPOSE
SECTION P3101 VENT SYSTEMS
583 SECTION P3102 VENT STACKS AND STACK VENTS
COMMENTARY FIGURE P3102.2 AT LEAST ONE VENT TO THE OUTDOORS
584 SECTION P3103 VENT TERMINALS
COMMENTARY FIGURE P3103.1.1 VENT TERMINAL
585 SECTION P3104 VENT CONNECTIONS AND GRADES
586 COMMENTARY FIGURE P3103.1.4 VENT TERMINATION THROUGH EXTERIOR WALL
587 COMMENTARY FIGURE P3103.5 VENT TERMINAL CLEARANCES
588 COMMENTARY FIGURE P3104.2 GRADE OF VENTS
COMMENTARY FIGURE P3104.3 DRY VENT CONNECTIONS
589 COMMENTARY FIGURE P3104.4 PROHIBITED HORIZONTAL DRY VENT PIPING
590 COMMENTARY FIGURE P3104.5(1) IMPROPERLY CONNECTED VENT SERVING A DRAIN
COMMENTARY FIGURE P3104.5(2) HORIZONTAL BRANCH DRY VENT
SECTION P3105 FIXTURE VENTS
TABLE P3105.1 MAXIMUM DISTANCE OF FIXTURE TRAP FROM VENT
591 COMMENTARY FIGURE P3105.1(1) TRAP TO VENT DISTANCE FOR FIXTURE TRAPS CONNECTED TO A HORIZONTAL WET VENT
COMMENTARY FIGURE P3105.1(2) TRAP TO VENT DISTANCE FOR WATER CLOSETS
592 COMMENTARY FIGURE P3105.2 MAXIMUM FALL OF FIXTURE DRAIN BETWEEN TRAP AND VENT
COMMENTARY FIGURE P3105.3(1) S-TRAP CROWN VENT
COMMENTARY FIGURE P3105.3(2) P-TRAP CROWN VENT
COMMEMTARY FIGURE P3105.3(3) MINIMUM TRAP TO VENT DISTANCE TO AVOID CROWN VENT ARRANGEMENT
593 SECTION P3106 INDIVIDUAL VENT
COMMENTARY FIGURE P3106.1(1) INDIVIDUAL VENTS
COMMENTARY FIGURE P3106.1(2) IMPROPERLY INSTALLED INDIVIDUAL VENTS
SECTION P3107 COMMON VENT
594 TABLE P3107.3 COMMON VENT SIZES
COMMENTARY FIGURE P3107.2 COMMON VENTS WITH FIXTURE DRAINS CONNECTING AT SAME LEVEL
SECTION P3108 WET VENTING
595 COMMENTARY FIGURE P3107.3 COMMON VENTS WITH FIXTURE DRAINS CONNECTING AT DIFFERENT LEVELS
596 COMMENTARY FIGURE 3108.1(1) ACCEPTABLE FIXTURE CONNECTIONS TO WET VENTS
597 TABLE P3108.3 WET VENT SIZE
COMMENTARY FIGURE P3108.1(2) PROHIBITED FIXTURE CONNECTIONS TO WET VENTS
598 COMMENTARY FIGURE P3108.2.1(1) HORIZONTAL WET VENT WITH INDIVIDUAL VENT
COMMENTARY FIGURE P3108.2.1(2) DRY VENT FOR COMMON VENTED BATHTUBS SERVES AS DRY VENT FOR HORIZONTAL WET VENT
COMMENTARY FIGURE P3108.2.1(3) PROHIBITED CONNECTION OF TWO FIXTURES UPSTREAM OF DRY-VENTED FIXTURE CONNECTION
COMMENTARY FIGURE P3108.2.1(4) PROHIBITED CONNECTION OF TWO FIXTURES UPSTREAM OF DRY-VENTED FIXTURE CONNECTION
SECTION P3109 WASTE STACK VENT
599 COMMENTARY FIGURE P3109.2 WASTE STACK VENT SYSTEM
600 TABLE P3109.4 WASTE STACK VENT SIZE
SECTION P3110 CIRCUIT VENTING
SECTION P3111 COMBINATION WASTE AND VENT SYSTEM
601 COMMENTARY FIGURE P3111.2(1) COMBINATION DRAIN AND VENT
COMMENTARY FIGURE P3111.2(2) COMBINATION DRAIN AND VENT DETAIL
602 COMMENTARY FIGURE P3111.2.2 COMBINATION DRAIN AND VENT
603 TABLE P3111.3 SIZE OF COMBINATION WASTE AND VENT PIPE
SECTION P3112 ISLAND FIXTURE VENTING
COMMENTARY FIGURE P3112.2 ISLAND FIXTURE VENT
604 SECTION P3113 VENT PIPE SIZING
605 COMMENTARY FIGURE P3113.2 DEVELOPED LENGTH OF VENTS
TABLE P3113.4.1 SIZE AND LENGTH OF SUMP VENTS
606 SECTION P3114 AIR ADMITTANCE VALVES
COMMENTARY FIGURE P3114.3(1) AIR ADMITTANCE VALVES—INDIVIDUAL VENT
COMMENTARY FIGURE P3114.3(2) COMMON VENT
607 COMMENTARY FIGURE P3114.3(3) HORIZONTAL WET VENT
COMMENTARY FIGURE P3114.3(4) CIRCUIT VENT
COMMENTARY FIGURE P3114.3(5) IMPROPER USE OF INDIVIDUAL OR BRANCH-TYPE AIR ADMITTANCE VALVE
COMMENTARY FIGURE P3114.4 DISTANCE ABOVE DRAIN
608 COMMENTARY FIGURE P3114.8 PROHIBITED USE OF AIR ADMITTANCE VALVE
610 CHAPTER 32: TRAPS
GENERAL COMMENTS
PURPOSE
SECTION P3201 FIXTURE TRAPS
COMMENTARY FIGURE P3201.1(1) SLIP JOINTS IN TRAPS
COMMENTARY FIGURE P3201.1(2) TRAP REQUIREMENTS
611 COMMENTARY FIGURE P3201.2.1 TRAP SEAL PROTECTION METHODS
612 COMMENTARY FIGURE P3201.3 INSTALLATION OF TRAP
613 TABLE P3201.7 SIZE OF TRAPS FOR PLUMBING FIXTURES
616 CHAPTER 33: STORM DRAINAGE
GENERAL COMMENTS
PURPOSE
SECTION P3301 GENERAL
SECTION P3302 SUBSOIL DRAINS
TABLE P3302.1 SUBSOIL DRAIN PIPE
617 SECTION P3303 SUMPS AND PUMPING SYSTEMS
618 PART VIII—ELECTRICAL
CHAPTER 34: GENERAL REQUIREMENTS
GENERAL COMMENTS
PURPOSE
619 SECTION E3401 GENERAL
620 SECTION E3402 BUILDING STRUCTURE PROTECTION
621 SECTION E3403 INSPECTION AND APPROVAL
SECTION E3404 GENERAL EQUIPMENT REQUIREMENTS
623 TABLE E3404.4 (Table 110.28) ENCLOSURE SELECTION
625 SECTION E3405 EQUIPMENT LOCATION AND CLEARANCES
626 FIGURE E3405.1a, b, c, d, e WORKING SPACE AND CLEARANCES
627 SECTION E3406 ELECTRICAL CONDUCTORS AND CONNECTIONS
629 TABLE E3406.9 (Chapter 9, Table 10) CONDUCTOR STRANDINGc
631 COMMENTARY FIGURE E3406.11.3 MEASURING CONDUCTOR LENGTH AT OUTLET BOX
632 COMMENTARY FIGURE E3406.11.2 MULTIWIRE BRANCH CIRCUITS WITH SHARED NEUTRAL
634 SECTION E3407 CONDUCTOR AND TERMINAL IDENTIFICATION
635 BIBLIOGRAPHY
636 CHAPTER 35: ELECTRICAL DEFINITIONS
GENERAL COMMENTS
PURPOSE
SECTION E3501 GENERAL
641 COMMENTARY FIGURE E3501(1) CONDUCTOR TERMINOLOGY
651 COMMENTARY FIGURE E3501(2) POWER SUPPLY VOLTAGES
652 BIBLIOGRAPHY
654 CHAPTER 36: SERVICES
GENERAL COMMENTS
PURPOSE
SECTION E3601 GENERAL SERVICES
655 COMMENTARY FIGURE E3601.3 ONE BUILDING NOT TO BE SUPPLIED THROUGH ANOTHER
657 COMMENTARY FIGURE E3601.6.2(1) METER AND MAIN DISCONNECT ON OUTSIDE OF HOUSE
658 COMMENTARY FIGURE E3601.6.2(2) METER ON OUTSIDE OF HOUSE; MAIN DISCONNECT ON INSIDE OF HOUSE
COMMENTARY FIGURE E3601.7 SERVICE DISCONNECTING MEANS CONSISTING OF SIX OR FEWER SWITCHES OR CIRCUIT BREAKERS
659 SECTION E3602 SERVICE SIZE AND RATING
662 TABLE E3602.2 [220.82(B) & (C)] MINIMUM SERVICE LOAD CALCULATION
663 SECTION E3603 SERVICE, FEEDER AND GROUNDING ELECTRODE CONDUCTOR SIZING
TABLE E3603.1.1 (Table 310.12) SINGLE-PHASE DWELLING SERVICES AND FEEDERS
665 COMMENTARY FIGURE E3603.3.3 SERVICE OVERCURRENT DEVICE INTEGRAL WITH SERVICE DISCONNECTING MEANS
666 TABLE E3603.4 GROUNDING ELECTRODE CONDUCTOR SIZE
SECTION E3604 OVERHEAD SERVICE AND SERVICE-ENTRANCE CONDUCTOR INSTALLATION
FIGURE E3604.1 CLEARANCES FROM BUILDING OPENINGS
667 COMMENTARY FIGURE E3604.1 CLEARANCES FROM BUILDING OPENINGS
668 FIGURE E3604.2.1 CLEARANCES FROM ROOFS
669 SECTION E3605 SERVICE-ENTRANCE CONDUCTORS
671 SECTION E3606 SERVICE EQUIPMENT—GENERAL
672 SECTION E3607 SYSTEM GROUNDING
COMMENTARY FIGURE E3607.2 SERVICE EQUIPMENT AND EQUIPMENT ON THE LOAD SIDE OF THE DISCONNECTING MEANS
674 COMMENTARY FIGURE E3607.3.1 TWO BUILDINGS SUPPLIED FROM A COMMON SERVICE
675 COMMENTARY FIGURE E3607.3.2 TWO BUILDINGS SUPPLIED FROM A COMMON SERVICE
SECTION E3608 GROUNDING ELECTRODE SYSTEM
677 COMMENTARY FIGURE E3608.1 GROUNDING ELECTRODE SYSTEM
680 COMMENTARY FIGURE E3608.4(1) FALL-OF-POTENTIAL EARTH-RESISTANCE TEST SETUP
681 COMMENTARY FIGURE E3608.4(2) TYPICAL GRAPH FOR FALL-OF-POTENTIAL EARTH-RESISTANCE TEST
SECTION E3609 BONDING
684 SECTION E3610 GROUNDING ELECTRODE CONDUCTORS
685 SECTION E3611 GROUNDING ELECTRODE CONDUCTOR CONNECTION TO THE GROUNDING ELECTRODES
686 BIBLIOGRAPHY
688 CHAPTER 37: BRANCH CIRCUIT AND FEEDER REQUIREMENTS
GENERAL COMMENTS
PURPOSE
SECTION E3701 GENERAL
690 SECTION E3702 BRANCH CIRCUIT RATINGS
694 TABLE E3702.14 (Table 210.24) BRANCH-CIRCUIT REQUIREMENTS—SUMMARY
SECTION E3703 REQUIRED BRANCH CIRCUITS
697 SECTION E3704 FEEDER REQUIREMENTS
698 TABLE E3704.2(1)[220.14(J), Table 220.42, 220.50, 220.51, 220.52, 220.53, 220.54, 220.55, and 220.60] FEEDER LOAD CALCULATION
TABLE E3704.2(2) (220.55 and Table 220.55) DEMAND LOADS FOR ELECTRIC RANGES, WALL-MOUNTED OVENS, COUNTER-MOUNTED COOKING UNITS AND OTHER COOKING APPLIANCES OVER 13/4 kVA RATINGa
701 SECTION E3705 CONDUCTOR SIZING AND OVERCURRENT PROTECTION
TABLE E3705.1 ALLOWABLE AMPACITIES
702 TABLE E3705.2 [310.15(B)(1)] AMBIENT TEMPERATURE CORRECTION FACTORS
703 TABLE E3705.3 [310.15(C)(1)] CONDUCTOR PROXIMITY ADJUSTMENT FACTORS
704 COMMENTARY FIGURE E3705.3 MULTICONDUCTOR CABLES BUNDLED TOGETHER
706 TABLE E3705.5.3 [240.4(D)] OVERCURRENT-PROTECTION RATING
TABLE E3705.6 (Table 240.6) STANDARD AMPERE RATING FOR FUSES AND INVERSE TIME CIRCUIT BREAKERS
707 SECTION E3706 PANELBOARDS
708 COMMENTARY FIGURE E3706.2 PANELBOARD CIRCUIT IDENTIFICATION
709 BIBLIOGRAPHY
710 CHAPTER 38: WIRING METHODS
GENERAL COMMENTS
PURPOSE
SECTION E3801 GENERAL REQUIREMENTS
TABLE E3801.2 ALLOWABLE WIRING METHODS
711 TABLE E3801.4 (Chapter 3 and 300.2) ALLOWABLE APPLICATIONS FOR WIRING METHODS
712 SECTION E3802 ABOVE-GROUND INSTALLATION REQUIREMENTS
TABLE E3802.1 (Chapter 3) GENERAL INSTALLATION AND SUPPORT REQUIREMENTS FOR WIRING METHODS
713 COMMENTARY FIGURE E3802.1 CABLES HELD 1 1/4 INCHES BACK FROM EDGE OF FRAMING MEMBER
715 COMMENTARY FIGURE E3802.3.1(1) PROHIBITED APPLICATION OF TYPE NM CABLE
COMMENTARY FIGURE E3802.3.1(2) PROHIBITED APPLICATION OF TYPE NM CABLE
716 COMMENTARY FIGURE E3802.4 PROHIBITED INSTALLATION OF TYPE MM CABLE ACROSS THE BOTTOM OF FLOOR JOISTS
717 SECTION E3803 UNDERGROUND INSTALLATION REQUIREMENTS
718 TABLE E3803.1 (Table 300.5) MINIMUM COVER REQUIREMENTS, BURIAL IN INCHES
719 BIBLIOGRAPHY
720 CHAPTER 39: POWER AND LIGHTING DISTRIBUTION
GENERAL COMMENTS
PURPOSE
SECTION E3901 RECEPTACLE OUTLETS
721 FIGURE E3901.2 GENERAL USE RECEPTACLE DISTRIBUTION
723 FIGURE E3901.4 COUNTERTOP RECEPTACLES
724 FIGURE E3901.4.1 DETERMINATION OF AREA BEHIND SINK OR RANGE
725 COMMENTARY FIGURE E3901.4.2 ISLAND WITH TWO COUNTER SPACES
727 SECTION E3902 GROUND-FAULT AND ARC-FAULT CIRCUIT-INTERRUPTER PROTECTION
COMMENTARY FIGURE E3902.1 BASIC PRINCIPLES OF OPERATION OF GFCI RECEPTABLE DEVICE AND DEVICE TESTER
733 COMMENTARY FIGURE E3902.20 BRANCH-CIRCUIT-TYPE AFCI
SECTION E3903 LIGHTING OUTLETS
734 SECTION E3904 GENERAL INSTALLATION REQUIREMENTS
736 TABLE E3904.6 (1) (Annex C, Table C.1) MAXIMUM NUMBER OF CONDUCTORS IN ELECTRICAL METALLIC TUBING
737 TABLE E3904.6 (2) (Annex C, Table C.2) MAXIMUM NUMBER OF CONDUCTORS IN ELECTRICAL NONMETALLIC TUBING
738 TABLE E3904.6(3) (Annex C, Table C.3) MAXIMUM NUMBER OF CONDUCTORS IN FLEXIBLE METALLIC CONDUIT
739 TABLE E3904.6(4) (Annex C, Table C.4) MAXIMUM NUMBER OF CONDUCTORS IN INTERMEDIATE METALLIC CONDUIT
740 TABLE E3904.6(5) (Annex C, Table C.5) MAXIMUM NUMBER OF CONDUCTORS IN LIQUID-TIGHT FLEXIBLE NONMETALLIC CONDUIT
741 TABLE E3904.6(6) (Annex C, Table C.6) MAXIMUM NUMBER OF CONDUCTORS IN LIQUID-TIGHT FLEXIBLE NONMETALLIC CONDUIT
742 TABLE E3904.6(7) (Annex C, Table C.7) MAXIMUM NUMBER OF CONDUCTORS IN LIQUID-TIGHT FLEXIBLE METAL CONDUIT
743 TABLE E3904.6(8) (Annex C, Table C.8) MAXIMUM NUMBER OF CONDUCTORS IN RIGID METAL CONDUIT
744 TABLE E3904.6(9) (Annex C, Table C.9) MAXIMUM NUMBER OF CONDUCTORS IN RIGID PVC CONDUIT, SCHEDULE 80
745 TABLE E3904.6(10) (Annex C, Table C.10) MAXIMUM NUMBER OF CONDUCTORS IN RIGID PVC CONDUIT SCHEDULE 40
746 SECTION E3905 BOXES, CONDUIT BODIES AND FITTINGS
752 TABLE E3905.12.1 [Table 314.16(A)] MAXIMUM NUMBER OF CONDUCTORS IN METAL BOXES
753 TABLE E3905.12.2.1 [Table 314.16(B)] VOLUME ALLOWANCE REQUIRED PER CONDUCTOR
754 SECTION E3906 INSTALLATION OF BOXES, CONDUIT BODIES AND FITTINGS
757 SECTION E3907 CABINETS AND PANELBOARDS
759 COMMENTARY FIGURE E3907.8 CABLES SECURED TO PANELBOARD ENCLOSURES
760 TABLE E3907.8 (Chapter 9, Table 1) PERCENT OF CROSS SECTION OF CONDUIT AND TUBING FOR CONDUCTORS
761 TABLE E3907.9.1(1) [Table 312.6(B)] MINIMUM WIRE-BENDING SPACE AT TERMINALS
TABLE E3907.9.1(2) [Table 312.6(A)] MINIMUM WIRE-BENDING SPACE AT TERMINALS AND MINIMUM WIDTH OF WIRING GUTTERS
762 SECTION E3908 GROUNDING AND BONDING
763 COMMENTARY FIGURE E3908.8 PROHIBITED USE OF GROUNDED CIRCUIT CONDUCTOR
766 TABLE E3908.13 (Table 250.122) EQUIPMENT GROUNDING CONDUCTOR SIZING
767 SECTION E3909 FLEXIBLE CORDS AND FLEXIBLE CABLES
768 TABLE E3909.2 [Table 400.5(A)(1)] MAXIMUM AMPERE LOAD FOR FLEXIBLE CORDS
BIBLIOGRAPHY
770 CHAPTER 40: DEVICES AND LUMINAIRES
GENERAL COMMENTS
PURPOSE
SECTION E4001 SWITCHES
773 SECTION E4002 RECEPTACLES
774 TABLE E4002.1.2 [Table 210.21(B)(3)] RECEPTACLE RATINGS FOR VARIOUS SIZE MULTIOUTLET CIRCUITS
776 COMMENTARY FIGURE E4002.14 TYPICAL TAMPER-RESISTANT RECEPTACLE
777 SECTION E4003 LUMINAIRES
779 FIGURE E4003.12 CLOSET STORAGE SPACE
780 SECTION E4004 LUMINAIRE INSTALLATION
781 SECTION E4005 TRACK LIGHTING
782 BIBLIOGRAPHY
784 CHAPTER 41: APPLIANCE INSTALLATION
GENERAL COMMENTS
PURPOSE
SECTION E4101 GENERAL
785 TABLE E4101.3 FLEXIBLE CORD LENGTH
786 TABLE E4101.5 [422.31(A), (B), and (C); 422.33; 422.34; 422.35; 424.19; 424.20; and 440.14] DISCONNECTING MEANS
BIBLIOGRAPHY
787 TABLE E4101.5—continued [422.31(A), (B), and (C); 422.33; 422.34; 422.35; 424.19; 424.20; and 440.14] DISCONNECTING MEANS
788 COMMENTARY FIGURE E4101.5 TYPICAL APPLIANCE DISCONNECTING MEANS
790 CHAPTER 42: SWIMMING POOLS
GENERAL COMMENTS
PURPOSE
SECTION E4201 GENERAL
792 SECTION E4202 WIRING METHODS FOR POOLS, SPAS, HOT TUBS AND HYDROMASSAGE BATHTUBS
TABLE E4202.1a PERMITTED WIRING METHODS IN CORROSIVE ENVIRONMENTS
793 SECTION E4203 EQUIPMENT LOCATION AND CLEARANCES
796 TABLE E4203.7 [Table 680.8(A)] OVERHEAD CONDUCTOR CLEARANCES
797 SECTION E4204 EQUIPOTENTIAL BONDING
800 SECTION E4205 BONDING AND GROUNDING
802 SECTION E4206 EQUIPMENT INSTALLATION
806 SECTION E4207 STORABLE SWIMMING POOLS, STORABLE SPAS AND STORABLE HOT TUBS
807 SECTION E4208 SPAS AND HOT TUBS
SECTION E4209 HYDROMASSAGE BATHTUBS
808 BIBLIOGRAPHY
810 CHAPTER 43: CLASS 2 REMOTE-CONTROL, SIGNALING AND POWER-LIMITED CIRCUITS
GENERAL COMMENTS
PURPOSE
SECTION E4301 GENERAL
SECTION E4302 POWER SOURCES
811 SECTION E4303 WIRING METHODS
TABLE E4303.2 CABLE USES AND PERMITTED SUBSTITUTIONS
812 TABLE E4303.2.5 [Table 725.179(J)] CABLE MARKING
SECTION E4304 INSTALLATION REQUIREMENTS
813 BIBLIOGRAPHY
814 PART IX—REFERENCED STANDARDS
CHAPTER 44: REFERENCED STANDARDS
GENERAL COMMENTS
PURPOSE
815 COMMENTARY FIGURE 44 REFERENCED STANDARD
816 AAMA
ACCA
ACI
AISI
817 AMCA
ANCE
ANSI
819 APA
APSP
ASCE/SEI
820 ASHRAE
ASME
822 ASSE
823 ASTM
837 AWC
AWPA
AWS
838 AWWA
CEN
CISPI
CPA
839 CPSC
CSA
841 CSSB
842 DASMA
DHA
DOC
DOTn
FEMA
FM
843 GA
HVI
IAPMO
ICC
844 IEEE
ISO
MSS
845 NAIMA
NEMA
NFPA
NFRC
846 NGWA
NSF
PCA
847 SBCA
SMACNA
TMS
TPI
UL
850 ULC
US-FTC
WDMA
WMA
852 APPENDIX AA: SIZING AND CAPACITIES OF GAS PIPING
SECTION AA101 GENERAL PIPING CONSIDERATIONS
SECTION AA102 DESCRIPTION OF TABLES
853 TABLE AA102.2 EQUIVALENT LENGTHS OF PIPE FITTINGS AND VALVES
854 TABLE AA102.2—continued EQUIVALENT LENGTHS OF PIPE FITTINGS AND VALVES
855 TABLE AA102.4 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 AA103 USE OF CAPACITY TABLES
857 TABLE AA103.4 THOUSANDS OF BTU/H (MBH) OF NATURAL GAS PER 100 FEET OF PIPE AT VARIOUS PRESSURE DROPS AND PIPE DIAMETERS
SECTION AA104 USE OF SIZING EQUATIONS
858 SECTION AA105 PIPE AND TUBE DIAMETERS
TABLE AA105.1 SCHEDULE 40 STEEL PIPE STANDARD SIZES
TABLE AA105.2 COPPER TUBE STANDARD SIZES
SECTION AA106 EXAMPLES OF PIPING SYSTEM DESIGN AND SIZING
859 FIGURE AA106.1 PIPING PLAN SHOWING A STEEL PIPING SYSTEM
FIGURE AA106.2 PIPING PLAN SHOWING A CSST SYSTEM
860 FIGURE AA106.3 PIPING PLAN SHOWING A COPPER TUBING SYSTEM
FIGURE AA106.4 PIPING PLAN SHOWING A MODIFICATION TO EXISTING PIPING SYSTEM
862 APPENDIX AB: SIZING OF VENTING SYSTEMS SERVING APPLIANCES EQUIPPED WITH DRAFT HOODS, CATEGORY I APPLIANCES AND APPLIANCES LISTED FOR USE WITH TYPE B VENTS
SECTION AB101 EXAMPLES USING SINGLE-APPLIANCE VENTING TABLES
FIGURE AB101.1 EXAMPLE 1: SINGLE DRAFT HOOD-EQUIPPED APPLIANCE
863 FIGURE AB101.2 EXAMPLE 2: SINGLE FAN-ASSISTED APPLIANCE
FIGURE AB101.4(1) TYPE B DOUBLE-WALL VENT SYSTEM SERVING A SINGLE APPLIANCE WITH A TYPE B DOUBLE-WALL VENT
864 FIGURE AB101.4(2) TYPE B DOUBLE-WALL VENT SYSTEM SERVING A SINGLE APPLIANCE WITH A SINGLE-WALL METAL VENT CONNECTOR
FIGURE AB101.4(3) VENT SYSTEM SERVING A SINGLE APPLIANCE WITH A MASONRY CHIMNEY OF TYPE B DOUBLE-WALL VENT CONNECTOR
FIGURE AB101.4(4) VENT SYSTEM SERVING A SINGLE APPLIANCE USING A MASONRY CHIMNEY AND A SINGLE-WALL METAL VENT CONNECTOR
FIGURE AB101.4(5) ASBESTOS CEMENT TYPE B OR SINGLE-WALL METAL VENT SYSTEM SERVING A SINGLE DRAFT HOOD-EQUIPPED APPLIANCE
865 SECTION AB102 EXAMPLES USING COMMON VENTING TABLES
FIGURE AB102.1 EXAMPLE 4: COMMON VENTING TWO DRAFT HOOD-EQUIPPED APPLIANCES
866 FIGURE AB102.2 EXAMPLE 5a: COMMON VENTING A DRAFT HOOD WITH A FAN-ASSISTED FURNACE INTO A TYPE B DOUBLE-WALL COMMON VENT
867 TABLE AB102.3 MASONRY CHIMNEY LINER DIMENSIONS WITH CIRCULAR EQUIVALENTSa
868 FIGURE AB102.5(1) VENT SYSTEM SERVING TWO OR MORE APPLIANCES WITH TYPE B DOUBLE-WALL VENT AND TYPE B DOUBLE-WALL VENT CONNECTOR
FIGURE AB102.5(2) VENT SYSTEM SERVING TWO OR MORE APPLIANCES WITH TYPE B DOUBLE-WALL VENT AND SINGLE-WALL METAL VENT CONNECTORS
FIGURE AB102.5(3) MASONRY CHIMNEY SERVING TWO OR MORE APPLIANCES WITH TYPE B DOUBLE-WALL VENT CONNECTOR
FIGURE AB102.5(4) MASONRY CHIMNEY SERVING TWO OR MORE APPLIANCES WITH SINGLE-WALL METAL VENT CONNECTORS
869 FIGURE AB102.5(5) ASBESTOS CEMENT TYPE B OR SINGLE-WALL METAL VENT SYSTEM SERVING TWO OR MORE DRAFT HOOD-EQUIPPED APPLIANCES
FIGURE AB102.5(6) USE OF MANIFOLD COMMON VENT CONNECTOR
FIGURE AB102.5(7) USE OF OFFSET COMMON VENTS WITH SINGLE-WALL METAL VENT CONNECTORS
FIGURE AB102.5(8) MULTISTORY GAS VENT DESIGN PROCEDURE FOR EACH SEGMENT OF SYSTEM
870 FIGURE AB102.5(9) MULTISTORY VENT SYSTEMS
871 FIGURE AB102.5(10) 99% WINTER DESIGN TEMPERATURES FOR THE CONTIGUOUS UNITED STATES
872 APPENDIX AC: EXIT TERMINALS OF MECHANICAL DRAFT AND DIRECT-VENT VENTING SYSTEMS
SECTION AC101 GENERAL
FIGURE AC101.1 EXIT TERMINALS OF MECHANICAL DRAFT AND DIRECT-VENT VENTING SYSTEMS
874 APPENDIX AD: RECOMMENDED PROCEDURE FOR SAFETY INSPECTION OF AN EXISTING APPLIANCE INSTALLATION
SECTION AD101 GENERAL
SECTION AD102 OCCUPANT AND INSPECTOR SAFETY
875 SECTION AD103 GAS PIPING AND CONNECTIONS INSPECTIONS
SECTION AD104 INSPECTIONS TO BE PERFORMED WITH THE APPLIANCE NOT OPERATING
876 SECTION AD105 INSPECTIONS TO BE PERFORMED WITH THE APPLIANCE OPERATING
877 SECTION AD106 APPLIANCE-SPECIFIC INSPECTIONS
878 TABLE AD106 CO THRESHOLDS
880 APPENDIX AE: MANUFACTURED HOUSING USED AS DWELLINGS
GENERAL COMMENTS
PURPOSE
SECTION AE101 SCOPE
881 SECTION AE102 APPLICATION TO EXISTING MANUFACTURED HOMES AND BUILDING SERVICE EQUIPMENT
882 SECTION AE103 DEFINITIONS
883 SECTION AE104 PERMITS
SECTION AE105 APPLICATION FOR PERMIT
884 SECTION AE106 PERMITS ISSUANCE
885 SECTION AE107 FEES
886 SECTION AE108 INSPECTIONS
887 SECTION AE109 SPECIAL INSPECTIONS
SECTION AE110 UTILITY SERVICE
SECTION AE111 OCCUPANCY CLASSIFICATION
SECTION AE112 LOCATION ON PROPERTY
SECTION AE113 DESIGN
888 SECTION AE114 FOUNDATION SYSTEMS
SECTION AE115 SKIRTING AND PERIMETER ENCLOSURES
889 SECTION AE116 STRUCTURAL ADDITIONS
SECTION AE117 BUILDING SERVICE EQUIPMENT
SECTION AE118 EXITS
SECTION AE119 OCCUPANCY, FIRE SAFETY AND ENERGY CONSERVATION STANDARDS
SECTION AE120 SPECIAL REQUIREMENTS FOR FOUNDATION SYSTEMS
SECTION AE121 FOOTINGS AND FOUNDATIONS
890 SECTION AE122 PIER CONSTRUCTION
SECTION AE123 HEIGHT OF PIERS
SECTION AE124 ANCHORAGE INSTALLATIONS
891 SECTION AE125 TIES, MATERIALS AND INSTALLATION
SECTION AE126 REFERENCED STANDARDS
TABLE AE126.1 REFERENCED STANDARDS
BIBLIOGRAPHY
894 APPENDIX AF: RADON CONTROL METHODS
GENERAL COMMENTS
PURPOSE
SECTION AF101 SCOPE
SECTION AF102 DEFINITIONS
895 FIGURE AF101.1 EPA MAP OF RADON ZONES
896 TABLE AF101.1 HIGH RADON-POTENTIAL (ZONE 1) COUNTIESa
897 TABLE AF101.1—continued HIGH RADON-POTENTIAL (ZONE 1) COUNTIESa
898 TABLE AF101.1—continued HIGH RADON-POTENTIAL (ZONE 1) COUNTIESa
899 TABLE AF101.1—continued HIGH RADON-POTENTIAL (ZONE 1) COUNTIESa
900 TABLE AF101.1—continued HIGH RADON-POTENTIAL (ZONE 1) COUNTIESa
901 SECTION AF103 REQUIREMENTS
902 FIGURE AF103.1 RADON-RESISTANT CONSTRUCTION DETAILS FOR FOUR FOUNDATION TYPES
906 SECTION AF104 TESTING
908 APPENDIX AG: PIPING STANDARDS FOR VARIOUS APPLICATIONS
GENERAL COMMENTS
SECTION AG101 PLASTIC PIPING STANDARDS
909 TABLE AG101.1 PLASTIC PIPING STANDARDS FOR VARIOUS APPLICATIONSa
910 TABLE AG101.1—continued PLASTIC PIPING STANDARDS FOR VARIOUS APPLICATIONSa, b
911 TABLE AG101.1—continued PLASTIC PIPING STANDARDS FOR VARIOUS APPLICATIONSa, b
912 SECTION AG102 REFERENCED STANDARDS
TABLE AG102.1 REFERENCED STANDARDS
913 TABLE AG102.1—continued REFERENCED STANDARDS
914 APPENDIX AH: PATIO COVERS
GENERAL COMMENTS
PURPOSE
SECTION AH101 GENERAL
SECTION AH102 DEFINITION
SECTION AH103 EXTERIOR WALLS AND OPENINGS
915 SECTION AH104 HEIGHT
SECTION AH105 STRUCTURAL PROVISIONS
SECTION AH106 SPECIAL PROVISIONS FOR ALUMINUM SCREEN ENCLOSURES IN HURRICANE-PRONE REGIONS
916 TABLE AH106.4.1(1) DESIGN WIND PRESSURES FOR SCREEN ENCLOSURE FRAMING
TABLE AH106.4.1(2) ADJUSTMENT FACTOR FOR BUILDING HEIGHT AND EXPOSURE
917 FIGURE AH106.4.1 ULTIMATE DESIGN WIND SPEEDS FOR PATIO COVERS AND SCREEN ENCLOSURES
918 BIBLIOGRAPHY
920 APPENDIX AI: PRIVATE SEWAGE DISPOSAL
SECTION AI101 GENERAL
BIBLIOGRAPHY
922 APPENDIX AJ: EXISTING BUILDINGS AND STRUCTURES
GENERAL COMMENTS
PURPOSE
SECTION AJ101 PURPOSE AND INTENT
923 SECTION AJ102 COMPLIANCE
926 SECTION AJ103 PRELIMINARY MEETING
SECTION AJ104 EVALUATION OF AN EXISTING BUILDING
SECTION AJ105 PERMIT
SECTION AJ106 DEFINITIONS
928 SECTION AJ107 REPAIRS
SECTION AJ108 RENOVATIONS
929 SECTION AJ109 ALTERATIONS
931 SECTION AJ110 RECONSTRUCTION
932 SECTION AJ111 REFERENCED STANDARDS
TABLE AJ111.1 REFERENCED STANDARDS
BIBLIOGRAPHY
934 APPENDIX AK: SOUND TRANSMISSION
GENERAL COMMENTS
PURPOSE
SECTION AK101 GENERAL
SECTION AK102 AIRBORNE SOUND
935 SECTION AK103 STRUCTURAL-BORNE SOUND
SECTION AK104 REFERENCED STANDARDS
TABLE AK104.1 REFERENCED STANDARDS
BIBLIOGRAPHY
936 APPENDIX AL: PERMIT FEES
SECTION AL101 GENERAL
TABLE AL101.1 PERMIT FEE SCHEDULE
938 APPENDIX AM: HOME DAY CARE-R-3 OCCUPANCY
GENERAL COMMENTS
PURPOSE
SECTION AM101 GENERAL
SECTION AM102 DEFINITION
SECTION AM103 MEANS OF EGRESS
939 SECTION AM104 SMOKE DETECTION
940 APPENDIX AN: VENTING METHODS
SECTION AN101 VENTING METHODS
FIGURE AN101.1(1) TYPICAL SINGLE-BATH WET-VENT ARRANGEMENTS
941 FIGURE AN101.1(2) TYPICAL DOUBLE-BATH WET-VENT ARRANGEMENTS
942 FIGURE AN101.1(3) TYPICAL HORIZONTAL WET VENTING
943 FIGURE AN101.1(4) TYPICAL METHODS OF WET VENTING
944 FIGURE AN101.1(5) SINGLE-STACK SYSTEM FOR A TWO-STORY DWELLING
945 FIGURE AN101.1(6) WASTE STACK VENTING
FIGURE AN101.1(7) CIRCUIT VENT WITH ADDITIONAL NONCIRCUIT-VENTED BRANCH
946 APPENDIX AO: AUTOMATIC VEHICULAR GATES
SECTION AO101 GENERAL
SECTION AO102 DEFINITION
SECTION AO103 AUTOMATIC VEHICULAR GATES
SECTION AO104 REFERENCED STANDARDS
TABLE AO104.1 REFERENCED STANDARDS
948 APPENDIX AP: SIZING OF WATER PIPING SYSTEM
SECTION AP101 GENERAL
SECTION AP102 INFORMATION REQUIRED
SECTION AP103 SELECTION OF PIPE SIZE
950 FIGURE AP103.3(1) EXAMPLE—SIZING
951 TABLE AP103.3(1) RECOMMENDED TABULAR ARRANGEMENT FOR USE IN SOLVING PIPE SIZING PROBLEMS
952 TABLE AP103.3(2) LOAD VALUES ASSIGNED TO FIXTURESa
953 FIGURE AP103.3(2) FRICTION LOSS IN SMOOTH PIPEa (TYPE K, ASTM B88 COPPER TUBING)
954 TABLE AP103.3(3) TABLE FOR ESTIMATING DEMAND
955 TABLE AP103.3(3)—continued TABLE FOR ESTIMATING DEMAND
956 FIGURE AP103.3(3) FRICTION LOSS IN SMOOTH PIPEa (TYPE L, ASTM B88 COPPER TUBING)
957 TABLE AP103.3(4) LOSS OF PRESSURE THROUGH TAPS AND TEES IN POUNDS PER SQUARE INCH (psi)
958 FIGURE AP103.3(4) FRICTION LOSS IN SMOOTH PIPEa (TYPE M, ASTM B88 COPPER TUBING)
959 TABLE AP103.3(5) ALLOWANCE IN EQUIVALENT LENGTHS OF PIPE FOR FRICTION LOSS IN VALVES AND THREADED FITTINGS (feet)
960 FIGURE AP103.3(5) FRICTION LOSS IN FAIRLY SMOOTH PIPEa
961 TABLE AP103.3(6) PRESSURE LOSS IN FITTINGS AND VALVES EXPRESSED AS EQUIVALENT LENGTH OF TUBE
962 FIGURE AP103.3(6) FRICTION LOSS IN FAIRLY ROUGH PIPEa
963 FIGURE AP103.3(7) FRICTION LOSS IN ROUGH PIPEa
965 TABLE AP103.3.1(1) SUMMATION OF DEVELOPED PIPING LENGTHS
966 TABLE AP103.3.1(2) FITTING PRESSURE LOSSES EXPRESSED IN EQUIVALENT LENGTHS
TABLE AP103.3.1(3) TOTAL FRICTION LOSS EQUIVALENT PIPING LENGTH
SECTION AP201 SELECTION OF PIPE SIZE
968 TABLE AP201.1 MINIMUM SIZE OF WATER METERS, MAINS AND DISTRIBUTION PIPING BASED ON WATER SUPPLY FIXTURE UNIT VALUES
969 TABLE AP201.1—continued MINIMUM SIZE OF WATER METERS, MAINS AND DISTRIBUTION PIPING BASED ON WATER SUPPLY FIXTURE UNIT VALUES (w.s.f.u.)
970 APPENDIX AQ: TINY HOUSES
GENERAL COMMENTS
PURPOSE
SECTION AQ101 GENERAL
971 SECTION AQ102 DEFINITIONS
SECTION AQ103 CEILING HEIGHT
972 SECTION AQ104 LOFTS
FIGURE AQ104.1.3 HEIGHT EFFECT ON LOFT AREA
974 COMMENTARY FIGURE AQ104.2.1.5 TRANSITION FROM LANDING PLATFORM TO LOFT
975 SECTION AQ105 EMERGENCY ESCAPE AND RESCUE OPENINGS
SECTION AQ106 ENERGY CONSERVATION
976 BIBLIOGRAPHY
978 APPENDIX AR: LIGHT STRAW-CLAY CONSTRUCTION
GENERAL COMMENTS
PURPOSE
SECTION AR101 GENERAL
979 SECTION AR102 DEFINITIONS
SECTION AR103 NONBEARING LIGHT STRAW-CLAY CONSTRUCTION
980 TABLE AR103.2.3 REQUIREMENTS AND PROPERTIES OF LIGHT STRAW-CLAY MIXTURESa
981 FIGURE AR103.2.4(1) LIGHT STRAW-CLAY WALL WITH LARSEN TRUSSES
FIGURE AR103.2.4(2) LIGHT STRAW-CLAY WALL SINGLE STUD WIDTH
982 FIGURE AR103.2.4(3) LIGHT STRAW-CLAY WALL WITH BLIND STUDS
985 SECTION AR104 THERMAL PERFORMANCE
SECTION AR105 REFERENCED STANDARDS
TABLE AR105.1 REFERENCED STANDARDS
BIBLIOGRAPHY
988 APPENDIX AS: STRAWBALE CONSTRUCTION
GENERAL COMMENTS
PURPOSE
SECTION AS101 GENERAL
989 SECTION AS102 DEFINITIONS
990 FIGURE AS101.2 TYPICAL STRAWBALE WALL SYSTEMS
FIGURE AS102.1 BALE ORIENTATIONS
992 SECTION AS103 BALES
993 FIGURE AS103.2 APPROXIMATE DIMENSIONS OF COMMON STRAW BALES
994 COMMENTARY FIGURE AS103.4 EXAMPLES OF MOISTURE METERS FOR STRAW BALES
995 SECTION AS104 FINISHES
999 SECTION AS105 STRAWBALE WALLS—GENERAL
1000 FIGURE AS105.1(1) TYPICAL BASE OF PLASTERED STRAWBALE WALL ON CONCRETE SLAB AND FOOTING
1001 FIGURE AS105.1(2) TYPICAL BASE OF PLASTERED STRAWBALE WALL OVER RAISED FLOOR
1002 FIGURE AS105.1(3) TYPICAL TOP OF LOAD-BEARING STRAWBALE WALL
1003 FIGURE AS105.1(4) TYPICAL TOP OF POST-AND-BEAM WALL WITH PLASTERED STRAWBALE INFILL
1005 TABLE AS105.4 OUT-OF-PLANE RESISTANCE METHODS AND UNRESTRAINED WALL DIMENSION LIMITS
1009 SECTION AS106 STRAWBALE WALLS—STRUCTURAL
1011 TABLE AS106.6.1 MINIMUM COMPRESSIVE STRENGTH FOR PLASTERS ON STRUCTURAL WALLS
1014 TABLE AS106.12 ALLOWABLE SUPERIMPOSED VERTICAL LOADS (LBS/FOOT) FOR PLASTERED LOAD-BEARING STRAWBALE WALLS
1015 EQUATION AS-1
1016 TABLE AS106.13(1) PLASTERED STRAWBALE BRACED WALL PANEL TYPES
1017 TABLE AS106.13(2) BRACING REQUIREMENTS FOR STRAWBALE BRACED WALL PANELS BASED ON WIND SPEED
1018 TABLE AS106.13(3) BRACING REQUIREMENTS FOR STRAWBALE BRACED WALL PANELS BASED ON SEISMIC DESIGN CATEGORY
1020 SECTION AS107 FIRE RESISTANCE
1021 SECTION AS108 THERMAL INSULATION
1022 SECTION AS109 REFERENCED STANDARDS
TABLE AS109.1 REFERENCED STANDARDS
BIBLIOGRAPHY
1024 APPENDIX AT: SOLAR-READY PROVISIONS-DETACHED ONE-AND TWO-FAMILY DWELLINGS AND TOWNHOUSES
GENERAL COMMENTS
PURPOSE
SECTION AT101 (RB101) SCOPE
SECTION AT102 (RB102) GENERAL DEFINITION
SECTION AT103 (RB103) SOLAR-READY ZONE
1026 APPENDIX AU: COB CONSTRUCTION (MONOLITHIC ADOBE )
GENERAL COMMENTS
PURPOSE
1027 SECTION AU101 GENERAL
COMMENTARY FIGURE AU101.1 TYPICAL COB BUILDING COMPONENTS
1028 FIGURE AU101.4 TYPICAL COB WALL
1029 SECTION AU102 DEFINITIONS
1031 SECTION AU103 MATERIALS, MIXING AND INSTALLATION
1033 COMMENTARY FIGURE AU103.6(1) COB WALL INSTALLATION
COMMENTARY FIGURE AU103.6(2) COB WALL INSTALLATIONWITH VERTICAL REINFORCING
SECTION AU104 FINISHES
1036 SECTION AU105 COB WALLS—GENERAL
1038 TABLE AU105.3 OUT-OF-PLANE RESISTANCE METHODS AND UNRESTRAINED WALL HEIGHT LIMITS
1041 COMMENTARY FIGURE AU105.4.5 WINDOW INSTALLATION (DOOR INSTALLATION SIMILAR)
SECTION AU106 COB WALLS—STRUCTURAL
1042 EQUATION AU-1
1043 EQUATION AU-2
1044 EQUATION AU-3
1046 FIGURE AU106.9.5 CONNECTION OF ROOF FRAMING TO BOND BEAMS
FIGURE AU106.9.6 CONNECTIONS AT GABLE AND SHED ROOF END WALLS
1047 TABLE AU106.10 LINTELS AND BOND BEAMS SPANNING OPENINGS
1049 TABLE AU106.11(1) COB BRACED WALL PANEL TYPES
1050 TABLE AU106.11(2) BRACING REQUIREMENTS FOR COB BRACED WALL PANELS BASED ON WIND SPEED
TABLE AU106.11(3) BRACING REQUIREMENTS FOR COB BRACED WALL PANELS BASED ON SEISMIC DESIGN CATEGORY A
1051 TABLE AU106.11(4) BRACING REQUIREMENTS FOR COB BRACED WALL PANELS BASED ON SEISMIC DESIGN CATEGORY B
1052 TABLE AU106.11(5) BRACING REQUIREMENTS FOR COB BRACED WALL PANELS BASED ON SEISMIC DESIGN CATEGORY C
1053 EQUATION AU-4
1054 FIGURE AU106.11.3 CURVED BRACED WALL PANEL
TABLE AU106.12 ANCHORAGE OF BOND BEAMS FOR WIND UPLIFT
1055 SECTION AU107 COB FLOORS
SECTION AU108 FIRE RESISTANCE
SECTION AU109 THERMAL PERFORMANCE
1056 SECTION AU110 REFERENCED STANDARDS
TABLE AU110.1 REFERENCED STANDARDS
BIBLIOGRAPHY
1058 APPENDIX AV: BOARD OF APPEALS
GENERAL COMMENTS
PURPOSE
SECTION AV101 GENERAL
1062 APPENDIX AW: 3D-PRINTED BUILDING CONSTRUCTION
SECTION AW101 GENERAL
SECTION AW102 DEFINITIONS
SECTION AW103 BUILDING DESIGN
1063 SECTION AW104 BUILDING CONSTRUCTION
SECTION AW105 SPECIAL INSPECTIONS
SECTION AW106 REFERENCED STANDARDS
TABLE AW106.1 REFERENCED STANDARDS
1064 APPENDIX AX (RC): ZERO ENERGY RESIDENTIAL BUILDING PROVISIONS
GENERAL COMMENTS
PURPOSE
SECTION AX 101 (RC101) COMPLIANCE
SECTION AX 102 (RC102) ZERO ENERGY RESIDENTIAL BUILDINGS
EQUATION AX-1
1065 TABLE AX102.2 (RC102.2) MAXIMUM ENERGY RATING INDEXa
1066 INDEX
1084 RESOURCE A RECOMMENDED PRACTICES FOR REMOTE VIRTUAL INSPECTIONS (RVI)
1086 RECOMMENDED PRACTICES FOR REMOTE VIRTUAL INSPECTIONS [RVI]
1087 COPYRIGHT
1088 TABLE OF CONTENTS
1090 PREFACE
1091 ABOUT THE INTERNATIONAL CODE COUNCIL®
1092 1.0 INTRODUCTION
PURPOSE AND SCOPE
2.0 DEFINITIONS AND ACRONYMS
3.0 REMOTE VIRTUAL INSPECTION PROCESS
1093 CUSTOMER REQUESTING A REMOTE VIRTUAL INSPECTION
1094 AHJ: SCHEDULING REMOTE VIRTUAL INSPECTION
1095 CUSTOMER: PREPARE FOR REMOTE VIRTUAL INSPECTION
CUSTOMER: PREPARE TO RECEIVE REMOTE VIRTUAL INSPECTION CALL
1096 WHAT TO EXPECT DURING THE INSPECTION
INSPECTION RULES
1097 MAINTAINING RECORDS OF INSPECTIONS
4.0 TRAINING AND COMMUNICATION
STAFF TRAINING
1098 CUSTOMER/APPLICANT
ADDITIONAL CONSIDERATIONS
1099 5.0 APPENDIX A (EXAMPLES OF POTENTIAL ACTIVITIES)
1100 KEYS TO SUCCESS FOR REMOTE VIRTUAL INSPECTIONS
WHAT ARE REMOTE VIRTUAL INSPECTIONS (RVI)?
RVI BENEFITS
THE FOUNDATION OF SUCCESS: TRAINING AND COMMUNICATION
1101 THE KEY STEPS TO A REMOTE VIRTUAL INSPECTION
1102 ADDITIONAL CODE RESOURCES FROM ICC
1103 ICC DIGITAL CODES PREMIUM
1104 ICC EVALUATION SERVICE®
1105 ICC ASSESSMENT CENTER
ICC IRC Commentary Volume 2 2021 1stptg
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