ICC IPC Commentary 2012

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International Plumbing Code and Commentary

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ICC	2012	591

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Description

This comprehensive publication provides a convenient reference for regulations in the 2012 International Plumbing Code

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1	2012 IPC® CODE AND COMMENTARY
2	2012 IPC® CODE AND COMMENTARY TITLE PAGE
3	COPYRIGHT
4	PREFACE
8	CHAPTER 1: SCOPE AND ADMINISTRATION PART 1—SCOPE AND APPLICATION SECTION 101 GENERAL
9	SECTION 102 APPLICABILITY
12	PART 2—ADMINISTRATION AND ENFORCEMENT SECTION 103 DEPARTMENT OF PLUMBING INSPECTION SECTION 104 DUTIES AND POWERS OF THE CODE OFFICIAL
14	SECTION 105 APPROVAL
15	SECTION 106 PERMITS
19	SECTION 107 INSPECTIONS AND TESTING
22	SECTION 108 VIOLATIONS
24	SECTION 109 MEANS OF APPEAL
26	SECTION 110 TEMPORARY EQUIPMENT, SYSTEMS AND USES BIBLIOGRAPHY
28	CHAPTER 2: DEFINITIONS SECTION 201 GENERAL SECTION 202 GENERAL DEFINITIONS
30	FIGURE 202(1) AIR ADMITTANCE VALVE OPENS FIGURE 202(2) AIR ADMITTANCE VALVE CLOSES
31	FIGURE 202(3) MECHANICAL VENT FIGURE 202(4) AIR GAP, AIR BREAK
35	FIGURE 202(5) DEFINITION OF A BRANCH INTERVAL
36	FIGURE 202(6) BRANCH INTERVALS
37	FIGURE 202(7) BRANCH VENT FIGURE 202(8) DRAINAGE SYSTEM COMPONENTS
40	FIGURE 202(9) DEPTH OF TRAP SEAL
42	FIGURE 202(10) FIXTURE DRAINS AND FIXTURE BRANCHES FIGURE 202(11) FIXTURE DRAIN
44	FIGURE 202(12) SENSOR-CONTROLLED GREASE RECOVERY DEVICE
45	FIGURE 202(13) TIMER-CONTROLLED GREASE RECOVERY DEVICE FIGURE 202(14) GREASE-REMOVAL DEVICE, AUTOMATIC
46	FIGURE 202.(15) TYPES OF WATER DISTRIBUTION SYSTEMS
50	FIGURE 202(16) PARTS OF A PLUMBING SYSTEM
56	BIBLIOGRAPHY
58	CHAPTER 3: GENERAL REGULATIONS SECTION 301 GENERAL
59	SECTION 302 EXCLUSION OF MATERIALS DETRIMENTAL TO THE SEWER SYSTEM
60	SECTION 303 MATERIALS FIGURE 303.1(1) SAMPLE MARKING OF PVC PRESSURE PIPE
61	FIGURE 303.1(2) MARKING OF PVC GRAVITY SEWER PIPE SECTION 304 RODENTPROOFING SECTION 305 PROTECTION OF PIPES AND PLUMBING SYSTEM COMPONENTS
62	TABLE 305.2 THERMAL EXPANSION RATES FOR PIPING MATERIALS
63	FIGURE 305.2(1) “L” BEND FIGURE 305.2(2) “Z” BEND
64	FIGURE 305.2(3) “U” BEND
65	FIGURE 305.3(1) PIPE PROTECTION FIGURE 305.3(2) BUILDING DRAIN PENETRATION THROUGH FOUNDATION WALL
66	FIGURE 305.4(1) PROTECTION AGAINST FREEZING FIGURE 305.4(2) WATER DISTRIBUTION PIPING IN EXTERIOR WALL
67	FIGURE 305.4(3) PIPING IN EXTERIOR WALL
68	FIGURE 305.4(4) TYPICAL FREEZEPROOF HOSE FAUCET INSTALLATION FIGURE 305.4(5) SEVERE FROST PENETRATION LEVELS
69	FIGURE 305.4(6) REQUIRED BURIAL DEPTH
70	FIGURE 305.5 ROOF PENETRATIONS
71	FIGURE 305.6(1) REQUIRED SHIELD PLATES FIGURE 305.6(2) PIPE PROTECTION VIOLATION
72	FIGURE 305.7 PROTECTION OF PLUMBING SYSTEM COMPONENTS SECTION 306 TRENCHING, EXCAVATION AND BACKFILL
73	FIGURE 306.2.1 OVEREXCAVATED TRENCH FIGURE 306.2 PIPE ON BOTTOM OF TRENCH
74	FIGURE 306.3 TAMPING LOOSE FILL IN 6-INCH LAYERS SECTION 307 STRUCTURAL SAFETY
76	FIGURE 307.2(1) CUTTING, NOTCHING AND BORING OF WALL STUDS FIGURE 307.2(2) CUTTING, NOTCHING AND BORING OF FLOOR JOISTS, CEILING JOISTS AND RAFTERS
77	FIGURE 307.2(3) NOTCHING AND BORING IN A WOOD-BEARING WALL FIGURE 307.2(4) VIOLATION: NOTCH IN FLOOR JOIST TOO DEEP FIGURE 307.2(5) VIOLATION: HOLES TOO CLOSE TO BOTTOM OF JOIST
78	FIGURE 307.2(6) VIOLATION: NOTCHES TOO DEEP IN WALL STUDS FIGURE 307.2(7) VIOLATION: EXTERIOR WALL STUD NOTCHED TOO DEEP FIGURE 307.2(8) VIOLATION: FLOOR JOIST COMPLETELY SEVERED
79	FIGURE 307.2(9) VIOLATION: EXTERIOR WALL STUD COMPLETELY SEVERED
80	FIGURE 307.2(10) REQUIRED TOP PLATE REINFORCEMENT FIGURE 307.2(11) VIOLATION: WALL TOP PLATES NOT REINFORCED
81	FIGURE 307.2(12) LAMINATED VENEER LUMBER BEAM FIGURE 307.2(13) VIOLATION: TOP CHORD OF TRUSS NOTCHED FIGURE 307.2(14) VIOLATION: HOLE IN BOTTOM CHORD OF ROOF TRUSS FIGURE 307.2(15) VIOLATION: TOP CHORD OF I-JOIST COMPLETELY SEVERED
82	FIGURE 307.2(16) VIOLATION: I-JOIST WEB HOLES IRREGULAR SHAPE, TOO LARGE, TOO CLOSE TOGETHER FIGURE 307.2(17) STRUCTURAL STEEL BEAM FIGURE 307.2(18) FLANGE, LIP AND WEB OF COLD-FORMED STEEL LIGHT-FRAME MEMBER FIGURE 307.2(19) ALLOWABLE WEB HOLES IN STUDS (PRESCRIPTIVE DESIGN ONLY)
83	FIGURE 307.2(20) ALLOWABLE WEB HOLES IN MEMBERS OTHER THAN STUDS (PRESCRIPTIVE DESIGN ONLY) FIGURE 307.2(21) ALLOWABLE NOTCHING AND BORING OF STRUCTURAL LOG MEMBERS
84	FIGURE 307.3(1) COMBUSTIBLE PIPE PENETRATION OF FIRE-RATED WALL FIGURE 307.3(2) ANNULAR SPACE PROTECTION FIGURE 307.3(3) PIPE PENETRATION OF FIRE-RESISTANCE-RATED ROOF/CEILING ASSEMBLY FIGURE 307.3(4) PIPE PENETRATION OF FIRE-RESISTANCE-RATED FLOOR/CEILING ASSEMBLY
85	FIGURE 307.4 VIOLATION: TOP CHORD OF FLOOR TRUSS REMOVED FIGURE 307.5 EXCAVATION IN RELATION TO FOOTING
86	SECTION 308 PIPING SUPPORT FIGURE 308.3(1) PLASTIC HANGER STRAP FIGURE 308.3(2) PLASTIC INSERT FOR COPPERTUBING THROUGH METAL STUD (Photo Courtesy of Holdrite-Hubbard Enterprises)
87	FIGURE 308.4 POOR HANGER ATTACHMENT TABLE 308.5 HANGER SPACING
88	FIGURE 308.5(1) POINT OF MAXIMUM SAG BETWEEN HANGERS FIGURE 308.5(2) LOCATION OF HANGERS
89	FIGURE 308.6 SWAY BRACING FIGURE 308.7 RESTRAINED COUPLING
90	FIGURE 308.7.1 ANCHORAGE LOCATION
91	FIGURE 308.9(1) PIPE SUPPORT FIGURE 308.9(2) PIPE BEND SUPPORT MAINTAINING BEND RADIUS (Photo courtesy of Holdrite-Hubbard Enterprises) FIGURE 308.9(3) PIPE BEND SUPPORT MAINTAINING BEND RADIUS (Photo courtesy of Holdrite-Hubbard Enterprises)
92	FIGURE 308.9(4) PIPE BEND SUPPORT MAINTAINING BEND RADIUS (Photo courtesy of Holdrite-Hubbard Enterprises) SECTION 309 FLOOD HAZARD RESISTANCE
93	SECTION 310 WASHROOM AND TOILET ROOM REQUIREMENTS
94	SECTION 311 TOILET FACILITIES FOR WORKERS TABLE 311.1 MINIMUM NUMBER OF TOILET FACILITIES SECTION 312 TESTS AND INSPECTIONS
96	FIGURE 312.4(1) SMOKE-GENERATING EQUIPMENT (Photo courtesy of Hurco Technologies, Inc.) FIGURE 312.4(2) SMOKE INDICATING PRESENCE OF LEAK (Photo courtesy of Hurco Technologies, Inc.)
98	FIGURE 312.9 TESTING OF FIELD-FABRICATED SHOWER LINER
99	SECTION 313 EQUIPMENT EFFICIENCIES SECTION 314 CONDENSATE DISPOSAL
100	TABLE 314.2.2 CONDENSATE DRAIN SIZING
101	FIGURE 314.2.3(1) CONDENSATE OVERFLOW SWITCH (Photo courtesy of SMD Research, Inc.)
102	FIGURE 314.2.3(2) CONDENSATE OVERFLOW SWITCH (Photo courtesy of SMD Research, Inc.) FIGURE 314.2.3(3) PRIMARY OR AUXILIARY DRAIN PAN FLOAT SWITCH (Photo courtesy of SMD Research, Inc.) FIGURE 314.2.3.2 FURNACE ELEVATED ABOVE TOP OF CONDENSATE PAN
103	SECTION 315 PENETRATIONS SECTION 316 ALTERNATIVE ENGINEERED DESIGN
104	BIBLIOGRAPHY
106	CHAPTER 4: FIXTURES, FAUCETS AND FIXTURE FITTINGS SECTION 401 GENERAL
107	SECTION 402 FIXTURE MATERIALS
108	SECTION 403 MINIMUM PLUMBING FACILITIES
109	TABLE 403.1 MINIMUM NUMBER OF REQUIRED PLUMBING FIXTURES
110	TABLE 403.1—continued MINIMUM NUMBER OF REQUIRED PLUMBING FIXTURES
111	TABLE 403.1—continued MINIMUM NUMBER OF REQUIRED PLUMBING FIXTURES
115	TABLE 403.1(1) SOLUTION SUMMARY FOR SAMPLE PROBLEM 1
116	TABLE 403.1(2) SOLUTION SUMMARY FOR SAMPLE PROBLEM 2
117	TABLE 403.1(3) SOLUTION SUMMARY FOR SAMPLE PROBLEM 3
118	TABLE 403.1(4) SOLUTION SUMMARY FOR SAMPLE PROBLEM 4
119	FIGURE 403.3 RESTAURANT ENTRY SIGN
120	FIGURE 403.3.1(1) WALK-UP ICE CREAM SHOP WITH OUTDOOR SEATING FIGURE 403.3.1(2) CUSTOMER TOILET ACCESS
123	SECTION 404 ACCESSIBLE PLUMBING FACILITIES
125	FIGURE 404(1) WATER CLOSET LOCATIONS FIGURE 404(2) WATER CLOSET HEIGHT
126	FIGURE 404(3) SIZE OF CLEARANCE FOR WATER CLOSET FIGURE 404(4) REAR WALL GRAB BAR FOR WATER CLOSET FIGURE 404(5) SIDE WALL GRAB BAR FOR WATER CLOSET
127	FIGURE 404(6) INTERNATIONAL SYMBOL FOR ACCESSIBILITY FIGURE 404(7) CHILDREN’S WATER CLOSET LOCATION FIGURE 404(8) CHILDREN’S WATER CLOSET HEIGHT AND SIDE WALL GRAB BARS FIGURE 404(9) WALL HUNG-TYPE URINAL
128	FIGURE 404(10) ACCESSIBLE HEIGHT URINAL ON LEFT FIGURE 404(11) BATHTUB WITHOUT PERMANENT SEAT FIGURE 404(12) BATHTUB WITH PERMANENT SEAT FIGURE 404(13) GRAB BARS FOR BATHTUBS WITH PERMANENT SEATS
129	FIGURE 404(14) GRAB BARS FOR BATHTUBS WITHOUT PERMANENT SEATS FIGURE 404(15) LOCATION OF BATHTUB CONTROLS
130	FIGURE 404(16) TRANSFER-TYPE SHOWER COMPARTMENT SIZE AND CLEARANCE FIGURE 404(17) GRAB BARS IN TRANSFER-TYPE SHOWERS FIGURE 404(18) TRANSFER-TYPE SHOWER CONTROL AND HAND SHOWER LOCATION FIGURE 404(19) STANDARD ROLL-IN-TYPE SHOWER COMPARTMENT SIZE AND CLEARANCE
131	FIGURE 404(20) GRAB BARS IN ALTERNATE ROLL-IN-TYPE SHOWERS FIGURE 404(21) STANDARD ROLL-IN-TYPE SHOWER CONTROL AND HAND SHOWER LOCATION FIGURE 404(22) ALTERNATE ROLL-IN-TYPE SHOWER COMPARTMENT SIZE AND CLEARANCE FIGURE 404(23) GRAB BARS IN ALTERNATE ROLL-IN SHOWERS
132	FIGURE 404(24) ALTERNATE ROLL-IN-TYPE SHOWER CONTROL AND HAND SHOWER LOCATION
133	FIGURE 404(25) HEIGHT OF LAVATORIES AND SINKS FIGURE 404(26) KNEE CLEARANCE
134	FIGURE 404(27) WALL-MOUNTED ACCESSIBLE LAVATORY FIGURE 404(28) TOE CLEARANCE FIGURE 404(29) ACCESSIBLE KITCHEN SINK
135	FIGURE 404(30) ACCESSIBLE DRINKING FOUNTAIN
137	FIGURE 404(31) SWING UP GRAB BAR FOR WATER CLOSET
138	FIGURE 404(32) PARALLEL APPROACH BATHTUB IN TYPE B UNITS FIGURE 404(33) FORWARD APPROACH BATHTUB IN TYPE B UNITS
140	SECTION 405 INSTALLATION OF FIXTURES
142	FIGURE 405.3.1(1) MINIMUM CLEARANCE BETWEEN FIXTURES
143	FIGURE 405.3.1(2) CORNER SINK USER CLEARANCE
144	FIGURE 405.3.2 FIXTURE AND PIPING OBSTRUCTION
145	FIGURE 405.3.5(1) URINAL PARTITIONS (Photo courtesy of Falcon Waterfree Technologies)
146	FIGURE 405.3.5(2) URINAL PARTITIONS FIGURE 405.4(1) GASKETED WASTE TUBE CONNECTION FOR WATER CLOSET FIGURE 405.4(2) WATER CLOSET FLOOR FLANGE
147	FIGURE 405.4.3 WALL-HUNG WATER CLOSET
148	FIGURE 405.5(1) JOINTS BETWEEN FIXTURES AND WALLS OR FLOORS FIGURE 405.5(2) VIOLATION: LAVATORY NOT ATTACHED OR SEALED TO WALL FIGURE 405.5(3) LAVATORY PROPERLY SEALED TO WALL
149	FIGURE 405.7 FIXTURE OVERFLOW
151	SECTION 406 AUTOMATIC CLOTHES WASHERS SECTION 407 BATHTUBS
152	FIGURE 406.2 CLOTHES WASHER TRENCH DRAIN
153	SECTION 408 BIDETS SECTION 409 DISHWASHING MACHINES
154	SECTION 410 DRINKING FOUNTAINS
155	FIGURE 410.2 REQUIRED DRINKING FOUNTAINS AND CONFIGURATIONS
156	SECTION 411 EMERGENCY SHOWERS AND EYEWASH STATIONS FIGURE 411.1 EMERGENCY SHOWER AND EYEWASH STATION SECTION 412 FLOOR AND TRENCH DRAINS
157	FIGURE 412.1 TRENCH DRAIN (Photo courtesy of B&I Contractors, Inc.)
158	FIGURE 412.2(1) TYPICAL FLOOR DRAIN WITHOUT INTEGRAL TRAP FIGURE 412.2(2) TYPICAL FLOOR DRAIN WITH INTEGRAL TRAP SECTION 413 FOOD WASTE GRINDER UNITS
159	FIGURE 413.3 COMMERCIAL FOOD WASTE GRINDER SECTION 414 GARBAGE CAN WASHERS
160	FIGURE 414.2 GARBAGE CAN WASHER SECTION 415 LAUNDRY TRAYS SECTION 416 LAVATORIES
161	FIGURE 416.1 GROUP WASH-UP FIXTURE FIGURE 416.4 ADJUSTABLE HEIGHT SHAMPOO BOWL (Photo courtesy of Accessible Systems LLC)
162	SECTION 417 SHOWERS
163	FIGURE 417.2(1) SECURING SHOWER RISER FIGURE 417.2(2) SPECIAL BRACKET FOR SHOWER RISER (Photo courtesy of Holdrite-Hubbard Enterprises)
164	FIGURE 417.3 SHOWER FLOOR DESIGN FIGURE 417.4 SHOWER COMPARTMENT
165	FIGURE 417.5.2 SHOWER LINING CONNECTION
167	SECTION 418 SINKS SECTION 419 URINALS
168	FIGURE 419.1(1) WATERLESS URINAL (Photo courtesy of Falcon Waterfree Technologies) FIGURE 419.1(2) WATERLESS URINAL CARTRIDGE (Photo courtesy of Falcon Waterfree Technologies)
169	FIGURE 419.3 URINAL SURROUNDING MATERIAL SECTION 420 WATER CLOSETS
170	FIGURE 420.1(1) BOWL DESIGN FIGURE 420.1(2) FLUSHING ACTION FOR CERTAIN WATER CLOSETS FIGURE 420.1(3) DETERMINING WATER CLOSET RIM HEIGHT
171	SECTION 421 WHIRLPOOL BATHTUBS FIGURE 420.4 ACCEPTABLE 4 X 3 CLOSET BENDS
172	FIGURE 421.5(1) NONCOMPLIANT WHIRLPOOL BATHTUB PUMP ACCESS
173	FIGURE 421.5(2) NONCOMPLIANT WHIRLPOOL BATHTUB PUMP ACCESS SECTION 422 HEALTH CARE FIXTURES AND EQUIPMENT
175	SECTION 423 SPECIALTY PLUMBING FIXTURES SECTION 424 FAUCETS AND OTHER FIXTURE FITTINGS
177	FIGURE 424.1.1(1) AERATED STREAM AERATOR (Photo courtesy of Neoperl, Inc.) FIGURE 424.1.1(2) SPRAY AERATOR (Photo courtesy of Neoperl, Inc.)
178	TABLE 424.3 TEMPERATURE BURN CHART
179	TABLE 424.4 MAXIMUM TEMPERATURES ALLOWED AT USE LOCATIONS
180	FIGURE 424.4 TEMPERATURE CONTROL STANDARDS RELATED TO FIXTURE APPLICATIONS
181	SECTION 425 FLUSHING DEVICES FORWATER CLOSETS AND URINALS
183	SECTION 426 MANUAL FOOD AND BEVERAGE DISPENSING EQUIPMENT SECTION 427 FLOOR SINKS BIBLIOGRAPHY
186	CHAPTER 5: WATER HEATERS SECTION 501 GENERAL
187	FIGURE 501.2 WATER-TO-AIR HEAT EXCHANGER
189	FIGURE 501.6(1) TYPICAL CAPACITY GRAPH FOR TANKLESS WATER HEATERS FIGURE 501.6(2) OPERATING POINT FOR TANKLESS WATER HEATER TABLE 501.6 TYPICAL CAPACITY TABLE FOR TANKLESS WATER HEATERS
191	SECTION 502 INSTALLATION
193	SECTION 503 CONNECTIONS FIGURE 503.1(1) WATER HEATER VALVE FIGURE 503.1(2) PLASTIC PIPE TOO CLOSE TO DRAFT HOOD OF GAS-FIRED WATER HEATER
194	FIGURE 503.1(3) SPECIAL HEAT TRAP PIPE NIPPLE
195	FIGURE 503.1(4) PIPE AND FITTING U-SHAPE HEAT TRAPS FIGURE 503.1(5) FLEXIBLE WATER CONNECTOR LOOP HEATER
196	FIGURE 503.2 CIRCULATING-TYPE WATER HEATERS CONNECTED TO STORAGE TANKS (Photo courtesy of B&I Contractors, Inc.) SECTION 504 SAFETY DEVICES
197	FIGURE 504.2 WATER HEATER WITH BOTTOM FEED FIGURE 504.3 ELECTRIC DISCONNECT ADJACENT TO WATER HEATER (Photo courtesy of B&I Contractors, Inc.)
198	FIGURE 504.4 COMBINATION TEMPERATURE AND PRESSURE-RELIEF VALVE (Photo courtesy of CASH-ACME, Inc.)
199	FIGURE 504.5 COMBINATION TEMPERATURE AND PRESSURE-RELIEF VALVE LABEL FIGURE 504.4.1 TEMPERATURE- AND PRESSURE-RELIEF VALVE INSTALLATION
201	FIGURE 504.6(1) RELIEF VALVE DISCHARGE
202	FIGURE 504.6(2) RELIEF VALVE INDIRECT WASTE FIGURE 504.6(3) T&P RELIEF VALVE PERMITTED TO DISCHARGE TO THE PAN
203	FIGURE 504.6(4) CAPPED RELIEF VALVE TANK TAPPING AND PLUGGED RELIEF VALVE OPENING
204	FIGURE 504.7(1) WATER HEATER IN PAN
205	SECTION 505 INSULATION BIBLIOGRAPHY
206	CHAPTER 6: WATER SUPPLY AND DISTRIBUTION SECTION 601 GENERAL
207	SECTION 602 WATER REQUIRED
208	SECTION 603 WATER SERVICE
209	FIGURE 603.1(1) WATER SERVICE SYSTEM, PUBLIC WATER MAIN
210	FIGURE 603.1(2) WATER SERVICE SYSTEM, PRIVATE WELL
211	FIGURE 603.1(3) DIFFERENCE IN ELEVATION, LOSS OF PRESSURE FIGURE 603.1(4) DIFFERENCE IN ELEVATION, GAIN OF PRESSURE
213	FIGURE 603.1(5) FRICTION LOSS IN SDR 9 PEX TUBING
214	FIGURE 603.1(6) CAVITATION
215	FIGURE 603.1(7) FRICTION LOSS FOR DISPLACEMENT-TYPE WATER METERS (Source: Standard Plumbing Engineering Design, Nielsen, L. 1982)
216	FIGURE 603.1(8) FRICTION LOSS IN SMOOTH PIPE (Type L, ASTM B 88 COPPER TUBING)
218	FIGURE 603.2(1) SEPARATION OF WATER SERVICE AND BUILDING SEWER FIGURE 603.2(2) WATER SERVICE CROSSING OVER BUILDING SEWER
219	TABLE 603.2.1 MINIMUM HORIZONTAL SEPARATION DISTANCES BETWEEN WATER SOURCE ELEMENTS AND SOIL ABSORPTION SYSTEM COMPONENTS SECTION 604 DESIGN OF BUILDING WATER DISTRIBUTIONSYSTEM
220	TABLE 604.1 MAXIMUM FLOW VELOCITY FOR VARIOUS PIPE MATERIALS
221	TABLE 604.1(1) SOLUTION FOR SAMPLE PROBLEM 1 FIGURE 604.1(1) WATER SYSTEM SCHEMATIC, THREE-STORY COMPACT BUILDING
222	FIGURE 604.1(2) WATER SYSTEM SCHEMATIC, SINGLE-STORY, 16-UNIT MOTEL
223	TABLE 604.1(2) SPREADSHEET SETUP FOR SAMPLE PROBLEM 2
224	TABLE 604.1(3) COMPLETED SPREADSHEET FOR SAMPLE PROBLEM 2—COLD SIDE
225	FIGURE 604.1(3) WATER SYSTEM SCHEMATIC, EIGHT-STORY, 96-UNIT APARTMENT BUILDING
226	TABLE 604.1(4) COMPLETED SPREADSHEET FOR SAMPLE PROBLEM 2—HOT SIDE
227	TABLE 604.1(5) SAMPLE PROBLEM 3—PIPE SIZING TABLE TABLE 604.1(6) SAMPLE PROBLEM 3—SECTION PIPE SIZES
229	TABLE 604.3 WATER DISTRIBUTION SYSTEM DESIGN CRITERIA REQUIRED CAPACITY AT FIXTURE SUPPLY PIPE OUTLETS
230	TABLE 604.4 MAXIMUM FLOW RATES AND CONSUMPTION FOR PLUMBING FIXTURES AND FIXTURE FITTINGS
231	FIGURE 604.5 WATER SUPPLY CONNECTION WITH REDUCED-SIZE FLEXIBLE SUPPLY TABLE 604.5 MINIMUM SIZES OF FIXTURE WATER SUPPLY PIPES
234	FIGURE 604.9(1) EXAMPLE OF MECHANICAL WATER-HAMMER ARRESTORS FIGURE 604.9(2) AIR CHAMBER WATER HAMMER ARRESTOR
235	FIGURE 604.10(1) FIELD-BUILT MANIFOLD FOR PARALLEL WATER DISTRIBUTION
236	FIGURE 604.10(2) FACTORY-BUILT MANIFOLD FOR PARALLEL WATER DISTRIBUTION TABLE 604.10.1 MANIFOLD SIZING
237	SECTION 605 MATERIALS, JOINTS AND CONNECTIONS
238	TABLE 605.3 WATER SERVICE PIPE
239	FIGURE 605.3(1) PLASTIC WATER SERVICE EXTENDING INTO BUILDING
240	FIGURE 605.3(2) PLASTIC WATER SERVICE EXTENDING INTO BUILDING
242	FIGURE 605.3(3) SAMPLE MARKING OF PEX TUBING TABLE 605.3(1) DUCTILE IRON PIPE LINING THICKNESS
243	TABLE 605.3(2) STEEL PIPE DIMENSIONS SCHEDULE 40
246	TABLE 605.4 WATER DISTRIBUTION PIPE
247	TABLE 605.5 PIPE FITTINGS FIGURE 605.5.1 DRILLING AND PULLING BRANCH OUTLETS (Photo courtesy of T-Drill Industries, Inc.) FIGURE 605.5.1.1 SPECIALLY PREPARED BRANCH PIPE END (Photo courtesy of T-Drill Industries, Inc.)
248	FIGURE 605.5.1.2 BRAZED CONNECTION (Photo courtesy of T-Drill Industries, Inc.) TABLE 605.8 MANUFACTURED PIPE NIPPLES
250	FIGURE 605.11 ASBESTOS-CEMENT PIPE JOINT
251	FIGURE 605.12.1 HEAT APPLICATION OF BRAZED JOINT
252	FIGURE 605.14.3 PREPARATION OF PIPE END
253	FIGURE 605.15.2(1) TYPICAL FLARED TUBE JOINT FIGURE 605.15.2(2) TYPICAL FLARED TUBE JOINT
255	FIGURE 605.17.2 PEX TUBING CONNECTION
256	FIGURE 605.19.4 BENDING
258	TABLE 605.24.1 CORROSIVE HIERARCHY OF METALS FIGURE 605.24.1(1) DIELECTRIC UNION
259	FIGURE 605.24.1(2) DIELECTRIC FLANCE FITTING FIGURE 605.24.1(3) CORROSION CAUSED BY ABSENCEOF DIELECTRIC FITTINGS
260	SECTION 606 INSTALLATION OF THE BUILDING WATER DISTRIBUTION SYSTEM
261	FIGURE 606.1(1) CURB VALVE ON WATER SUPPLY FIGURE 606.1(2) VALVE AT ENTRANCE TO THE BUILDING AND ON THE DISCHARGE SIDE OF METER
262	FIGURE 606.1(3) VALVES FOR EACH RISER AND DOWNFEED FIGURE 606.1(4) DWELLING UNIT VALVE
263	FIGURE 606.1(5) VALVES ON SUPPLY TO EACH TANK FIGURE 606.1(6) WATER HEATER VALVE
264	FIGURE 606.2(1) SHUTOFF VALVES FOR EACH FIXTURE FIGURE 606.2(2) SILL FAUCET VALVE
266	TABLE 606.5.4 SIZES FOR OVERFLOW PIPES FOR WATER SUPPLY TANKS TABLE 606.5.7 SIZE OF DRAIN PIPES FOR WATER TANKS
267	SECTION 607 HOT WATER SUPPLY SYSTEM
269	FIGURE 607.2 AUTOMATIC TEMPERATURE MAINTENANCE SYSTEM BY HOT WATER (PUMPED) CIRCULATION LOOP
270	FIGURE 607.2.3(1) PROPER RECIRCULATION RETURN FIGURE 607.2.3(2) PROHIBITED RECIRCULATION RETURN
271	FIGURE 607.2.3(3) PROHIBITED RECIRCULATION RETURN FIGURE 607.3 ONE METHOD OF THERMAL EXPANSION CONTROL
272	FIGURE 607.3.1 PRESSURE-REDUCING VALVE WITH THERMAL EXPANSION BYPASS
274	SECTION 608 PROTECTION OF POTABLE WATER SUPPLY
275	FIGURE 608.1(1) ATMOSPHERIC PRESSURE
276	FIGURE 608.1(2) PRESSURE EXERTED BY 1 CUBIC FOOT OF WATER
277	FIGURE 608.1(3) PRESSURE EXERTED BY A COLUMN OF WATER FIGURE 608.1(4) BASE PRESSURE FIGURE 608.1(5) COLUMN OF WATER EXPOSED TO ATMOSPHERE FIGURE 608.1(6) OPEN TUBE INSERTED IN CONTAINER OF WATER
278	FIGURE 608.1(7) VACUUM APPLIED TO A SEALED TUBE INSERTED IN A CONTAINER OF WATER FIGURE 608.1(8) EXAMPLE OF SIMPLE SIPHON FIGURE 608.1(9) EXAMPLE OF ASPIRATION OR VENTURI PRINCIPLE
279	FIGURE 608.1(10) EXAMPLE OF PUMP CAUSING NEGATIVE PRESSURE
280	TABLE 608.1 APPLICATION OF BACKFLOW PREVENTERS
281	FIGURE 608.6.1 CONNECTION BETWEEN TWO SYSTEMS
282	FIGURE 608.7(1) YARD HYDRANT WITH STOP AND WASTE VALVE FIGURE 608.7(2) PROHIBITED INSTALLATION OF YARD HYDRANTS CONNECTED TO WATER SERVICE LINES
283	FIGURE 608.8 IDENTIFICATION OF PIPING SYSTEMS TABLE 608.8.3 SIZE OF PIPE IDENTIFICATION
286	FIGURE 608.13.4 BAROMETRIC LOOP FIGURE 608.13.5 PRESSURE VACUUM BREAKER
287	FIGURE 608.13.7 DOUBLE CHECK-VALVE ASSEMBLY
290	TABLE 608.15.1 MINIMUM REQUIRED AIR GAPS FIGURE 608.15.1(1) AIR GAP FOR A LAVATORY FAUCET
291	FIGURE 608.15.1(2) AIR GAP PIPING SYSTEM FIGURE 608.15.1(3) AIR GAPS—LOCATED NEAR SINGLE WALL FIGURE 608.15.1(4) AIR GAPS—LOCATED NEAR INTERSECTING WALLS
292	FIGURE 608.15.4 SUBMERGED INLET PROTECTED BY VACUUM BREAKER
293	FIGURE 608.15.4.2(1) HOSE (SILL) FAUCET WITHOUT VACUUM BREAKER FIGURE 608.15.4.2(2) HOSE (SILL) FREEZEPROOF FAUCET WITH INTEGRAL ANTISIPHON SEVICES FIGURE 608.15.4.2(3) HOSE CONNECTION VACUUM BREAKER
294	FIGURE 608.16.1 BEVERAGE DISPENSER
295	FIGURE 608.16.2 FOR BOILER WITHOUT CONDITIONING CHEMICALS TABLE 608.16.3(1) GOSSELIN RATINGS TABLE 608.16.3(2) HEAT TRANSFER FLUIDS (ESSENTIALLY NONTOXIC) GOSSELIN RATING OF 1
296	FIGURE 608.16.3(3) DOUBLE WALL HEAT EXCHANGER
297	FIGURE 608.16.4(1) COMBINATION WATER DISTRIBUTION/AUTOMATIC SPRINKLER SYSTEM
298	FIGURE 608.16.4(2) COMMON FIRE SPRINKLER AND DOMESTIC WATER SUPPLY
299	FIGURE 608.16.6 REDUCED PRESSURE PRINCIPLE BACKFLOW PREVENTER (Photo courtesy of Watts Regulator Company)
301	TABLE 608.17.1 DISTANCE FROM CONTAMINATION TO PRIVATE WATER SUPPLIES AND PUMP SUCTION LINES FIGURE 608.17.3 DEPTH OF WELL
302	FIGURE 608.17.4 WELL CASING FIGURE 608.17.5 CASING FOR DRILLED OR DRIVEN WELL FIGURE 608.17.7 DUG WELL COVER
303	SECTION 609 HEALTH CARE PLUMBING FIGURE 609.2 DUAL WATER SERVICE FOR HOSPITALS
304	SECTION 610 DISINFECTION OF POTABLE WATER SYSTEM
305	SECTION 611 DRINKING WATER TREATMENT UNITS
306	SECTION 612 SOLAR SYSTEMS SECTION 613 TEMPERATURE CONTROL DEVICES AND VALVES BIBLIOGRAPHY
310	CHAPTER 7: SANITARY DRAINAGE SECTION 701 GENERAL
311	FIGURE 701.3(1) COMMON BUILDING SEWER LOCATED WITHIN AN APPROVED PUBLIC SEWER EASEMENT FIGURE 701.3(2) BUILDING ON SAME LOT
312	SECTION 702 MATERIALS
313	TABLE 702.1 ABOVE-GROUND DRAINAGE AND VENT PIPE
314	TABLE 702.1 STEEL PIPE DIMENSIONS
316	TABLE 702.2 UNDERGROUND BUILDING DRAINAGE AND VENT PIPE
317	TABLE 702.3 BUILDING SEWER PIPE
318	TABLE 702.4 PIPE FITTINGS
320	SECTION 703 BUILDING SEWER SECTION 704 DRAINAGE PIPING INSTALLATION TABLE 704.1 SLOPE OF HORIZONTAL DRAINAGE PIPE
321	FIGURE 704.3 HYDRAULIC JUMP SECTION 705 JOINTS
322	FIGURE 705.3 ASBESTOS-CEMENT PIPE JOINT
323	FIGURE 705.4.1 HEAT APPLICATION OF BRAZED JOINT
324	FIGURE 705.5.1 CAULKED JOINT FOR HUB AND SPIGOT (CAST-IRON)
325	FIGURE 705.5.2 CAST-IRON COMPRESSION GASKET FIGURE 705.5.3 HUBLESS CAST-IRON DRAINAGE PIPE JOINT
326	FIGURE 705.6 CONCRETE MECHANICAL JOINT
327	FIGURE 705.9.3 PREPARATION OF PIPE END
329	FIGURE 705.13.2 LEAD-WIPED JOINT
331	FIGURE 705.19.3 CAST-IRON ADAPTER FITTING
332	FIGURE 705.20(1) SLIP JOINT FIGURE 705.20(2) SLIP JOINTS
333	TABLE 705.21 CAULKING FERRULE SPECIFICATIONS TABLE 705.22 SOLDERING BUSHING SPECIFICATIONS SECTION 706 CONNECTIONS BETWEEN DRAINAGE PIPING AND FITTINGS
334	TABLE 706.3 FITTINGS FOR CHANGE IN DIRECTION FIGURE 706.3(1) COMPARISON OF DIFFERENT 1 1/2-INCH LONG SWEEPS FOR VARIOUS PIPING MATERIALS FIGURE 706.3(2) COMPARISON OF 3-INCH COMBINATION WYE AND EIGHTH BEND FOR VARIOUS PIPING MATERIALS
335	FIGURE 706.3(3) DRAINAGE PATTERN FITTINGS
336	FIGURE 706.3(3)—continued DRAINAGE PATTERN FITTINGS
337	FIGURE 706.3(4) DIFFERENCE BETWEEN PVC PLASTIC 1/4-BEND SHORT SWEEP AND 1/4-BEND VENT FIGURE 706.3(5) BACK-TO-BACK FIXTURES
338	FIGURE 706.3(6) HEEL INLET FITTINGS SECTION 707 PROHIBITED JOINTS AND CONNECTIONS FIGURE 706.3(7) COMBINATION TEES
339	FIGURE 706.3(8) FITTING USES
340	FIGURE 706.3(9) IMPROPER USE OF DWV-PVC/ABS 90 DEGREE FITTINGS FIGURE 706.3(10) PROPER USE OF DWV-PVC/ABS 90 DEGREE FITTINGS
341	FIGURE 706.4(1) HEEL- AND SIDE-INLET QUARTER BEND APPLICATION RESTRICTIONS FIGURE 706.4(2) SIDE-INLET QUARTER BEND FOR WATER CLOSET SECTION 708 CLEANOUTS
342	FIGURE 708.1 ACCEPTABLE CLEANOUTS
343	FIGURE 708.2 CLEANOUT INSTALLATIONS FIGURE 708.3.1 CLEANOUT LOCATIONS
344	FIGURE 708.3.2(1) CLEANOUTS IN BUILDING SEWER—LIMITATIONS FIGURE 708.3.2(2) MANHOLE LOCATIONS
345	FIGURE 708.3.3 CLEANOUTS
346	FIGURE 708.3.4 CLEANOUTS AT BASE OF STACK FIGURE 708.3.5(1) CLEANOUTS AT SEWER JUNCTION
347	FIGURE 708.3.5(2) TWO-WAY CLEANOUT FITTING FIGURE 708.3.6 MANHOLES INSIDE THE BUILDING
348	FIGURE 708.4 CLEANOUTS ON CONCEALED PIPING
349	TABLE 708.7 CLEANOUT SIZES FIGURE 708.8 CLEARANCE FOR CLEANOUTS SECTION 709 FIXTURE UNITS
350	TABLE 709.1 DRAINAGE FIXTURE UNITS FOR FIXTURES AND GROUPS
351	TABLE 709.2 DRAINAGE FIXTURE UNITS FOR FIXTURE DRAINS OR TRAPS
352	SECTION 710 DRAINAGE SYSTEM SIZING TABLE 710.1(1) BUILDING DRAINS AND SEWERS
353	TABLE 710.1(2) HORIZONTAL FIXTURE BRANCHES AND STACKSa TABLE 710.1(1) HORIZONTAL BRANCH CAPACITY Table 710.1(2) STACK CAPACITIES
354	FIGURE 710.1(1) BUILDING DRAIN SIZING FIGURE 710.1(2) HORIZONTAL BRANCH (Complete venting not shown)
355	TABLE 710.1(3) ALLOWABLE STACK DRAINAGE FIXTURE UNITS FIGURE 710.1(3) STACK SIZING
356	FIGURE 710.1(4) EXAMPLE OF SIZING STACK GREATER THAN THREE BRANCH INTERVALS FIGURE 710.1(5) SIZING OF STACK THREE BRANCH INTERVALS OR LESS
357	FIGURE 710.1(6) FLOW IN A STACK FIGURE 710.1(7) REDUCING SIZE OF DRAINAGE STACK SECTION 711 OFFSETS IN DRAINAGE PIPING IN BUILDINGS OF FIVE STORIES OR MORE
358	FIGURE 711.1(1) VERTICAL STACK OFFSET WITHOUT BRANCH CONNECTIONS WITHIN TWO FEET ABOVE OR BELOW OFFSET FIGURE 711.1(2) VERTICAL STACK OFFSET WITH BRANCH CONNECTIONS WITHIN TWO FEET ABOVE OR BELOW OFFSET
359	FIGURE 711.1.1 VERTICAL STACK OFFSET WITH BRANCH CONNECTIONS WITHIN TWO FEET ABOVE OR BELOW OFFSET
360	FIGURE 711.2(1) HORIZONTAL STACK OFFSET WITH VENTING
361	FIGURE 711.2(2) HORIZONTAL STACK OFFSET WITH VENTING EXAMPLE
362	FIGURE 711.2.1 HORIZONTAL STACK OFFSET—VENTING NOT REQUIRED FIGURE 711.3(1) VERTICAL OFFSET SIZING WHERE THERE ARE NO STACK CONNECTIONS BELOW OFFSET
363	FIGURE 711.3(2) HORIZONTAL OFFSET SIZING WHERE THERE ARE NO STACK CONNECTIONS BELOW OFFSET SECTION 712 SUMPS AND EJECTORS
364	FIGURE 712.1(1) PNEUMATIC SEWAGE EJECTOR FIGURE 712.1(2) VERTICAL SUSPENDED WET PIT SEWAGE PUMP
365	FIGURE 712.2 SEWAGE EJECTOR INSTALLATION
367	FIGURE 712.4.1(1) MACERATING TOILET SYSTEMS (Photo courtesy of SFA Saniflo)
368	FIGURE 712.4.1(2) MACERATING TOILET SYSTEMS TABLE 712.4.2 MINIMUM CAPACITY OF SEWAGE PUMP OR SEWAGE EJECTOR
369	SECTION 713 HEALTH CARE PLUMBING
370	FIGURE 713.3 COMMON INDIRECT WASTE PIPE FOR STERILIZERS FIGURE 713.6 CENTRAL VACUUM SYSTEM (Shown for illustrative purposes only)
372	TABLE 713.9.1 MULTIPLE CONNECTION FOR BEDPAN WASHERS TO LOCAL VENT STACK FIGURE 713.9.1 LOCAL VENT STACK FIGURE 713.9.2 BOTTOM CONNECTION TO LOCAL VENT STACK FIGURE 713.10 STERILIZER PIPING
373	TABLE 713.11.1 STACK SIZES FOR BEDPAN STEAMERS AND BOILING-TYPE STERILIZERS (Number of Connections of Various Sizes Permitted to Various-sized Sterilizer Vent Stacks) TABLE 713.11.3 STACK SIZES FOR PRESSURE STERILIZERS (Number of Connections of Various Sizes Permitted To Various-sized Vent Stacks) TABLE 713.11.4 PRESSURE INSTRUMENT WASHER STERILIZER SIZES SECTION 714 COMPUTERIZED DRAINAGE DESIGN
374	SECTION 715 BACKWATER VALVES FIGURE 715.1(1) BACKWATER VALVE
375	FIGURE 715.1(2) BACKWATER VALVES BIBLIOGRAPHY
378	CHAPTER 8: INDIRECT/SPECIAL WASTE SECTION 801 GENERAL SECTION 802 INDIRECT WASTES
379	FIGURE 802.1.1(1) INDIRECTLY CONNECTED THREE-COMPARTMENT FOOD PREPARATION SINK
380	FIGURE 802.1.1(2) REFRIGERATED FOOD CASE DISCHARGING TO HUB DRAIN FIGURE 802.1.1(3) RESTAURANT KITCHEN INDIRECT WASTE
381	FIGURE 802.1.2 FLOOR DRAIN IN FOOD STORAGE FREEZER FIGURE 802.1.3 INDIRECT WASTE
382	FIGURE 802.1.5 INDIRECT WASTE—CLEAR-WATER WASTE
383	FIGURE 802.1.6 RESIDENTIAL DISHWASHER WASTE CONNECTIONS FIGURE 802.1.7 COMMERCIAL DISHWASHER WASTE CONNECTION
384	FIGURE 802.2 TRAPS FOR INDIRECT WASTE PIPES
385	FIGURE 802.2.1 AIR GAP FIGURE 802.2.2(1) AIR BREAK
386	FIGURE 802.2.2(2) AIR BREAK FIGURE 802.3(1) WASTE RECEPTORS
387	FIGURE 802.3(2) WASTE RECEPTORS FIGURE 802.3(3) PROHIBITED LOCATIONS FOR WASTE RECEPTORS
388	FIGURE 802.3.1(1) SHALLOW, FLAT BOTTOM WASTE RECEPTOR FIGURE 802.3.1(2) SIZE AND SHAPE OF WASTE RECEPTOR FIGURE 802.3.2 CLEAR-WATER WASTE RECEPTOR
389	FIGURE 802.4 STANDPIPES SECTION 803 SPECIAL WASTES
390	SECTION 804 MATERIALS, JOINTS AND CONNECTIONS BIBLIOGRAPHY
392	CHAPTER 9: VENTS SECTION 901 GENERAL
393	FIGURE 901.2(1) LOSS OF TRAP SEAL FIGURE 901.2(2) MAXIMUM TRAP SEAL RESISTANCE
394	SECTION 902 MATERIALS
395	SECTION 903 VENT TERMINALS FIGURE 903.1 VENT TERMINAL
396	FIGURE 903.5 SEPARATION OF VENT TERMINAL
397	FIGURE 903.6 SIDEWALL VENT SECTION 904 OUTDOOR VENT EXTENSIONS FIGURE 904.1(1) REDUCTION OF STACK VENT CONNECTION
398	FIGURE 904.1(2) STACK VENT
399	FIGURE 904.1(3) REQUIRED VENT TO OUTDOORS
400	FIGURE 904.4 VENT CONNECTION AT BASE OF STACK FIGURE 904.5 VENT HEADERS
401	SECTION 905 VENT CONNECTIONS AND GRADES FIGURE 905.2 GRADE OF VENTS
402	FIGURE 905.3 VENT CONNECTIONS
403	FIGURE 905.4 VERTICAL RISE OF VENT
404	FIGURE 905.5(1) IMPROPERLY CONNECTED VENT SERVING A DRAIN FIGURE 905.5(2) PROPERLY CONNECTED VENT SERVING A DRAIN FIGURE 905.5(3) HORIZONTAL BRANCH VENT ELEVATION
405	SECTION 906 VENT PIPE SIZING FIGURE 906.1(1) VENT STACK SIZING FIGURE 906.1(2) VENT STACK SIZING
406	FIGURE 906.1(3) STACK VENT SIZING
407	TABLE 906.1 SIZE AND DEVELOPED LENGTH OF STACK VENTS AND VENT STACKS
408	FIGURE 906.2(1) VENT SIZING FIGURE 906.2(2) VENT SIZING
409	FIGURE 906.2(3) VENT SIZING FIGURE 906.2(4) VENT SIZING
410	FIGURE 906.3(1) DEVELOPED LENGTH OF VENTS FIGURE 906.3(2) DEVELOPED LENGTH OF VENTS
411	FIGURE 906.4 COMMON BRANCH VENT FIGURE 906.5.1 SUMP VENT SECTION 907 VENTS FOR STACK OFFSETS
412	TABLE 906.5.1 SIZE AND LENGTH OF SUMP VENTS FIGURE 907.2 VENT CONNECTIONS FOR HORIZONTAL OFFSET
413	SECTION 908 RELIEF VENTS—STACKS OF MORE THAN 10BRANCH INTERVALS FIGURE 908.1 RELIEF VENT CONNECTION
414	SECTION 909 FIXTURE VENTS FIGURE 909.1(1) DISTANCE FROM TRAP TO VENT TABLE 909.1 MAXIMUM DISTANCE OF FIXTURE TRAP FROM VENT
415	FIGURE 909.1(2) MAXIMUM FALL OF FIXTURE DRAIN BETWEEN TRAP AND VENT FIGURE 909.1(3) TRAP TO VENT DISTANCE FOR WATER CLOSETS
416	FIGURE 909.2(1) VENT CONNECTION
417	FIGURE 909.2(2) SELF-SIPHONING PHENOMENON FIGURE 909.3(1) CROWN VENTING FIGURE 909.3(2) MINIMUM TRAP TO VENT DISTANCE SECTION 910 INDIVIDUAL VENT
418	FIGURE 910.1(1) INDIVIDUAL VENTS FIGURE 910.1(2) IMPROPERLY INSTALLED INDIVIDUAL VENTS SECTION 911 COMMON VENT
419	FIGURE 911.1 COMMON VENTS FIGURE 911.2 COMMON VENTS WITH FIXTURE DRAINS CONNECTING AT SAME LEVEL
420	TABLE 911.3 COMMON VENT SIZES FIGURE 911.3 COMMON VENTS WITH FIXTURE DRAINS CONNECTING AT DIFFERENT LEVELS
421	SECTION 912 WET VENTING FIGURE 912.1(1) HORIZONTAL WET VENTING OF BATHROOM FIXTURES
422	FIGURE 912.1(2) HORIZONTAL WET VENT WITH INDIVIDUAL VENT FIGURE 912.1(3) HORIZONTAL WET VENTWITH COMMON VENTED FIXTURES UPSTREAM FIGURE 912.1(4) PROHIBITED CONNECTION OF TWO FIXTURES UPSTREAM OF DRY-VENTED FIXTURE CONNECTION FIGURE 912.1(5) PROHIBITED CONNECTION OF TWO FIXTURES UP STREAM OF DRY-VENTED FIXTURE CONNECTION
423	FIGURE 912.1(6) HORIZONTAL WET VENT WITH COMMON VENT WITH AN ADDITIONAL INDIVIDUALLY DRY-VENTED FIXTURE FIGURE 912.1(7) HORIZONTAL WET VENT WITH THREE ADDITIONAL INDEPENDENTLY VENTED FIXTURES
424	FIGURE 912.1(8) HORIZONTAL WET VENT SIZING (PRIVATE BATH GROUP) FIGURE 912.1(9) HORIZONTAL WET VENT (PUBLIC BATH GROUP) FIGURE 912.1(10) HORIZONTAL WET VENT
425	FIGURE 912.1(11) HORIZONTAL WET VENT FIGURE 912.1(12) HORIZONTAL WET VENT FIGURE 912.1(13) NONCOMPLIANT HORIZONTAL WET VENT
426	FIGURE 912.1(14) NONCOMPLIANT HORIZONTAL WET VENT FIGURE 912.1(15) NON COMPLIANT HORIZONTAL WET VENT
427	FIGURE 912.1(16) NONCOMPLIANT HORIZONTAL WET VENT FIGURE 912.1(17) NONCOMPLIANT HORIZONTAL WET VENT FIGURE 912.1(18) NONCOMPLIANT HORIZONTAL WET VENT
428	FIGURE 912.1(19) MULTIFLOOR WET VENTING FIGURE 912.1(20) SINGLE BATHROOM GROUP (PRIVATE) WET VENT FIGURE 912.1(21) DOUBLE BATHROOM GROUP (PRIVATE) WET VENT FIGURE 912.1(22) WET VENT VARIATIONS FOR A SINGLE BATHROOM GROUP
429	FIGURE 912.1(23) HORIZONTAL WET VENTING FIGURE 912.1(24) MULTIPLE INDIVIDUAL VENTS
430	FIGURE 912.1.1(1) VERTICAL WET VENT OF SINGLE BATHROOM GROUP FIGURE 912.1.1(2) VERTICAL WET VENT OF TWO BATHROOM GROUPS FIGURE 912.1.1(3) VERTICAL WET VENT OF TWO BATHROOM GROUPS
431	FIGURE 912.1.1(4) VERTICAL WET VENTING
432	TABLE 912.3 WET VENT SIZE SECTION 913 WASTE STACK VENT
433	FIGURE 913.2(1) WASTE STACK VENT FIGURE 913.2(2) WASTE STACK VENT
434	FIGURE 913.3 WASTE STACK VENT OFFSETS AND STACK VENT CONNECTIONS TABLE 913.4 WASTE STACK VENT SIZE
435	SECTION 914 CIRCUIT VENTING
436	FIGURE 914.1(1) CIRCUIT VENTING
437	FIGURE 914.1(2) ROUGH-IN FOR EIGHT CIRCUIT-VENTED FIXTURES (Photo courtesy of B&I Contractors) FIGURE 914.1.1 MULTIPLE CIRCUIT-VENTED BRANCHES
438	FIGURE 914.2 BACK-TO-BACK WATER CLOSETS CIRCUIT VENTED FIGURE 914.3 SIZING A CIRCUIT VENT SYSTEM
439	FIGURE 914.3.1 SIZING MULTIPLE CIRCUIT-VENTED BRANCHES FIGURE 914.4.1 CIRCUIT VENT WITH RELIEF VENT CONNECTION
440	FIGURE 914.5(1) CIRCUIT-VENTED BRANCH WITH ADDITIONAL FIXTURE CONNECTIONS FIGURE 914.5(2) CIRCUIT-VENTED BRANCH WITH ADDITIONAL FIXTURE CONNECTIONS
441	SECTION 915 COMBINATION WASTE AND VENT SYSTEM FIGURE 915.2(1) COMBINATION WASTE AND VENT
442	FIGURE 915.2(2) COMBINATION WASTE AND VENT FIGURE 915.2(3) COMBINATION WASTE AND VENT
443	FIGURE 915.2(4) COMBINATION WASTE AND VENT
444	FIGURE 915.2(5) VERTICAL FIXTURE DRAIN COMPONENT IN COMBINATION DRAIN AND VENT SYSTEM
445	FIGURE 915.2.2(1) COMBINATION WASTE AND VENT FIGURE 915.2.2(2) COMBINATION WASTE AND VENT
446	FIGURE 915.2.2(3) COMBINATION WASTE AND VENT FIGURE 915.2.2(4) COMBINATION WASTE AND VENT
447	FIGURE 915.2.2(5) COMBINATION WASTE AND VENT TABLE 915.3 SIZE OF COMBINATION WASTE AND VENT PIPE
448	SECTION 916 ISLAND FIXTURE VENTING FIGURE 916.2 ISLAND FIXTURE VENT
449	SECTION 917 SINGLE STACK VENT SYSTEM TABLE 917.2 SINGLE STACK SIZE
450	FIGURE 917.3(1) WATER CLOSET WITHIN 18 INCHES OF STACK AND 3-INCH HORIZONTAL BRANCH CONNECTING TO WYE ON STACK FIGURE 917.3(2) WATER CLOSET WITHIN 18 INCHES OF STACK AND 3-INCH HORIZONTAL BRANCH CONNECTING TO SANITARY TEE ON STACK
451	FIGURE 917.4.1(1) WATER CLOSETS NOT MORE THAN 4 FEET FROM STACK WHEN BRANCH CONNECTS THROUGH WYE TO STACK
452	FIGURE917.4.1(2) WATER CLOSETS NOT MORE THAN 8 FEET FROM STACK WHEN BRANCH CONNECTS THROUGH SANITARY TEE TO STACK
453	FIGURE 917.4.2 MAXIMUM HORIZONTAL DEVELOPED LENGTH FROM STACK FOR FIXTURES OTHER THAN WATER CLOSETS
454	FIGURE 917.7 OFFSET VENTING REQUIREMENT FOR SINGLE STACK VENT SYSTEM SECTION 918 AIR ADMITTANCE VALVES
455	FIGURE 917.8 LOWER TWO FLOORS ON SEPARATE STACK FIGURE 918.3.1(1) AIR ADMITTANCE—INDIVIDUAL VENT
456	FIGURE 918.3.1(2) COMMON VENT FIGURE 918.3.1(3) WET VENT FIGURE 918.3.1(4) CIRCUIT VENT FIGURE 918.3.1(5) BRANCH VENT
457	FIGURE 918.3.1(6) VENT CONNECTION NOT PERMITTED FIGURE 918.3.2 PRESSURE IN DRAINAGE STACK FIGURE 918.4 DISTANCE ABOVE DRAIN
458	FIGURE 918.7 VENT TO THE OPEN AIR REQUIRED SECTION 919 ENGINEERED VENT SYSTEMS
459	FIGURE 918.8(1) PROHIBITED USE OF AIR ADMITTANCE VALVE FIGURE 918.8(2) ONE MANUFACTURER’S ENGINEERED DESIGN FOR USE OF AN AIR ADMITTANCE VALVE ON A SUMP EQUATION 9-1
460	TABLE 919.2 MINIMUM DIAMETER AND MAXIMUM LENGTH OF INDIVIDUAL BRANCH FIXTURE VENTS AND INDIVIDUAL FIXTURE HEADER VENTS FOR SMOOTH PIPES FIGURE 919.2(1) INDIVIDUAL VENT-DEVELOPED LENGTH
461	FIGURE 919.2(2) EXAMPLE OF ENGINEERED REDUCED-SIZE VENT TABLE 919.2 MAXIMUM LOADS ON MULTIPLE-STORY DRAINAGE STACKS
462	SECTION 920 COMPUTERIZED VENT DESIGN BIBLIOGRAPHY
464	CHAPTER 10: TRAPS, INTERCEPTORS AND SEPARATORS SECTION 1001 GENERAL SECTION 1002 TRAP REQUIREMENTS
465	FIGURE 1002.1(1) TRAP REQUIREMENTS
466	FIGURE 1002.1(2) TRAP REQUIREMENTS FIGURE 1002.2 SLIP JOINTS IN TRAPS
467	FIGURE 1002.3 PROHIBITED TRAPS
468	FIGURE 1002.4(1) TRAP PRIMER FOR TWO FLOOR DRAINS FIGURE 1002.4(2) TRAP SEAL PROTECTION METHODS FOR TRAPS SUBJECT TO EVAPORATION
469	FIGURE 1002.6 BUILDING TRAP
470	FIGURE 1002.7 INSTALLATION OF TRAP SECTION 1003 INTERCEPTORS AND SEPARATORS
471	FIGURE 1003.2 INTERCEPTORS AND SEPARATORS
472	FIGURE 1003.3(1) TYPICAL GRAVITY-TYPE GREASE INTERCEPTOR
473	FIGURE 1003.3(2) TYPICAL HYDROMECHANICAL GREASE INTERCEPTOR
474	FIGURE 1003.3.2 FOOD WASTE GRINDER CONNECTING TO GREASE INTERCEPTOR
478	TABLE 1003.3.4.1 CAPACITY OF GREASE INTERCEPTORSa
479	FIGURE 1003.3.4.2 FLOW CONTROL DEVICE
482	FIGURE 1003.9(1) TYPICAL SINGLE-FIXTURE INSTALLATIONS FIGURE 1003.9(2) VENTING OF GREASE INTERCEPTOR
483	FIGURE 1003.9(3) VENTING OF INTERCEPTORS AND SEPARATORS SECTION 1004 MATERIALS, JOINTS AND CONNECTIONS
484	FIGURE 1003.10(1) AUTOMATIC GREASE INTERCEPTOR FIGURE 1003.10(2) SENSOR-CONTROLLED GREASE RECOVERY DEVICE BIBLIOGRAPHY
485	FIGURE 1003.10(3) BIOREMEDIATION GREASE INTERCEPTOR
486	CHAPTER 11: STORM DRAINAGE SECTION 1101 GENERAL
488	TABLE 1101.7 FLOW RATE, IN GALLONS PER MINUTE, OF VARIOUS ROOF DRAINS AT VARIOUS WATER DEPTHS AT DRAIN INLETS (inches) FIGURE 1101.7 ROOF DRAIN WITH OVERFLOW
489	SECTION 1102 MATERIALS TABLE 1102.4 BUILDING STORM SEWER PIPE
491	TABLE 1102.5 SUBSOIL DRAIN PIPE TABLE 1102.7 PIPE FITTING SECTION 1103 TRAPS
492	FIGURE 1103.1 TRAPS ON STORM DRAINS THAT CONNECT TO COMBINATION SANITARY AND STORM SEWER SYSTEMS SECTION 1104 CONDUCTORS AND CONNECTIONS SECTION 1105 ROOF DRAINS
493	SECTION 1106 SIZE OF CONDUCTORS, LEADERS AND STORM DRAINS
495	FIGURE 1106.1100-YEAR, 1-HOUR RAINFALL (INCHES) EASTERN UNITED STATES
496	FIGURE 1106.1—continued 100-YEAR, 1-HOUR RAINFALL (INCHES) CENTRAL UNITED STATES
497	FIGURE 1106.1—continued 100-YEAR, 1-HOUR RAINFALL (INCHES) WESTERN UNITED STATES
498	FIGURE 1106.1—continued 100-YEAR, 1-HOUR RAINFALL (INCHES) ALASKA
499	FIGURE 1106.1—continued 100-YEAR, 1-HOUR RAINFALL (INCHES) HAWAII
500	TABLE 1106.2(1) SIZE OF CIRCULAR VERTICAL CONDUCTORS AND LEADERS TABLE 1106.2(2) SIZE OF RECTANGULAR VERTICAL CONDUCTORS AND LEADERS
501	TABLE 1106.3 SIZE OF HORIZONTAL STORM DRAINGE PIPING
502	FIGURE 1106.3 HORIZONTAL DRAIN AND SEWERS FIGURE 1106.4 VERTICAL WALLS
503	TABLE 1106.6 SIZE OF SEMICIRCULAR ROOF GUTTERS
504	SECTION 1107 SIPHONIC ROOF DRAINAGE SYSTEMS SECTION 1108 SECONDARY (EMERGENCY) ROOF DRAINS FIGURE 1108.1 SECONDARY ROOF DRAINAGE NOT REQUIRED
505	FIGURE 1108.2(1) SEPARATE PRIMARY AND SECONDARY ROOF DRAINS FIGURE 1108.2(2) PROHIBITED SECONDARY ROOF DRAIN CONNECTION
506	FIGURE 1108.3 SIZE OF SCUPPERS
507	SECTION 1109 COMBINED SANITARY AND STORM SYSTEM FIGURE 1109.1 COMBINED SANITARY AND STORM SEWER TABLE 1109.1 EQUIVALENT ROOF AREA COVERSIONS
508	SECTION 1110 VALUES FOR CONTINUOUS FLOW SECTION 1111 CONTROLLED FLOW ROOF DRAIN SYSTEMS
509	FIGURE 1111.4 MINIMUM NUMBER OF ROOF DRAINS FOR CONTROLLED FLOW SECTION 1112 SUBSOIL DRAINS SECTION 1113 BUILDING SUBDRAINS
510	FIGURE 1112.1(1) SUBSOIL DRAIN SUBJECT TO BACKFLOW SECTION 1114 SUMPS AND PUMPING SYSTEMS
511	FIGURE 1112.1(2) SUBSOIL DRAIN
512	BIBLIOGRAPHY
514	CHAPTER 12: SPECIAL PIPING AND STORAGE SYSTEMS SECTION 1201 GENERAL SECTION 1202 MEDICAL GASES
515	SECTION 1203 OXYGEN SYSTEMS
516	BIBLIOGRAPHY
518	CHAPTER 13: GRAY WATER RECYCLING SYSTEMS SECTION 1301 GENERAL FIGURE 1301.1(1) GRAY WATER RECYCLING SYSTEM FOR SUBSURFACE LANDSCAPE IRRIGATION
519	FIGURE 1301.1(2) GRAY WATER RECYCLING SYSTEM FOR FLUSHING WATER CLOSETS AND URINALS
520	SECTION 1302 SYSTEMS FOR FLUSHING WATER CLOSETS AND URINALS SECTION 1303 SUBSURFACE LANDSCAPE IRRIGATION SYSTEMS
521	EQUATION 13-1
523	TABLE 1303.8 LOCATION OF GRAY WATER SYSTEM TABLE 1303.9.1 DESIGN LOADING RATE
524	TABLE 1303.10 DISTRIBUTION PIPE BIBLIOGRAPHY
526	CHAPTER 14: REFERENCED STANDARDS
527	FIGURE 14 REFERENCED STANDARDS ANSI
528	AHRI ASME
529	ASPE ASSE
530	ASTM
533	AWS AWWA
534	CISPI CSA
535	ICC
536	ISEA NFPA NSF PDI UL
538	APPENDIX A: PLUMBING PERMIT FEE SCHEDULE
540	APPENDIX B: RATES OF RAINFALL FOR VARIOUS CITIES
542	APPENDIX C: VACUUM DRAINAGE SYSTEM SECTION C101 VACUUM DRAINAGE SYSTEM
543	FIGURE C101.2.1(1) VACUUM SYSTEMS FIGURE C101.2.1(2) VACUUM SYSTEMS FIGURE C101.2.2 TYPICAL WATER CLOSET
547	TABLE D101 DEGREE DAY AND DESIGN TEMPERATURESa FOR CITIES IN THE UNITED STATES
548	TABLE D101—continued DEGREE DAY AND DESIGN TEMPERATURESa FOR CITIES IN THE UNITED STATES
549	TABLE D101—continued DEGREE DAY AND DESIGN TEMPERATURESa FOR CITIES IN THE UNITED STATES
550	TABLE D101—continued DEGREE DAY AND DESIGN TEMPERATURESa FOR CITIES IN THE UNITED STATES
551	TABLE D101—continued DEGREE DAY AND DESIGN TEMPERATURESa FOR CITIES IN THE UNITED STATES
552	BIBLIOGRAPHY
554	APPENDIX D: DEGREE DAY AND DESIGN TEMPERATURES APPENDIX E: SIZING OF WATER PIPING SYSTEM SECTION E101 GENERAL SECTION E102 INFORMATION REQUIRED
555	SECTION E103 SELECTION OF PIPE SIZE
560	TABLE E.1 TABLE E.2
561	FIGURE E103.3(1) EXAMPLE—SIZING
562	TABLE E103.3(1) RECOMMENDED TABULAR ARRANGEMENT FOR USE IN SOLVING PIPE SIZING PROBLEMS
563	TABLE E103.3(2) LOAD VALUES ASSIGNED TO FIXTURE
564	TABLE E103.3(3) TABLE FOR ESTIMATING DEMAND
565	TABLE E103.3(3)-continued TABLE FOR ESTIMATING DEMAND TABLE E103.3(4) LOSS OF PRESSURE THROUGH TAPS AND TEES IN POUNDS PER SQUARE INCH
566	TABLE E103.3(5) ALLOWANCE IN EQUIVALENT LENGTHS OF PIPE FOR FRICTION LOSS IN VALVES AND THREADED FITTINGS (feet) TABLE E103.3(6) PRESSURE LOSS IN FITTINGS AND VALVES EXPRESSED AS EQUIVALENT LENGTH OF TUBEa
567	FIGURE E103.3(2) FRICTION LOSS IN SMOOTH PIPEa (TYPE K, ASTM B 88 COPPER TUBING)
568	FIGURE E103.3(3) FRICTION LOSS IN SMOOTH PIPEa (TYPE L, ASTM B 88 COPPER TUBING)
569	FIGURE E103.3(4) FRICTION LOSS IN SMOOTH PIPEa (TYPE M, ASTM B 88 COPPER TUBING)
570	FIGURE E103.3(5) FRICTION LOSS IN FAIRLY SMOOTH PIPEa
571	FIGURE E103.3(6) FRICTION LOSS IN FAIRLY ROUGH PIPEa
572	FIGURE E103.3(7) FRICTION LOSS IN FAIRLY ROUGH PIPEa
573	SECTION E201 SELECTION OF PIPE SIZE SECTION E202 DETERMINATION OF PIPE VOLUMES
574	TABLE E201.1 MINIMUM SIZE OF WATER METERS, MAINS AND DISTRIBUTION PIPING BASED ON WATER SUPPLY FIXTURE UNIT VALUES
575	TABLE E201.1—continued MINIMUM SIZE OF WATER METERS, MAINS AND DISTRIBUTION PIPING BASED ON WATER SUPPLY FIXTURE UNIT VALUES
576	TABLE E202.1 INTERNAL VOLUME OF VARIOUS WATER DISTRIBUTION TUBING
578	APPENDIX F: STRUCTURAL SAFETY SECTION F101 CUTTING, NOTCHING AND BORING IN WOOD MEMBERS
579	FIGURE F101.1 CUTTING, NOTCHING AND BORING JOISTS FIGURE F101.2 CUTTING, NOTCHING AND BORED HOLES
580	INDEX