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2021 International Plumbing Code (IPC) International Code Council

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2021 International Plumbing Code (IPC) International Code Council

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,INTERNATIONAL
PL G
COD

, TABLE OF CONTENTS


CHAPTER 1 SCOPE AND 309 Flood Hazard Resistance . . . . . . . . . . . . . . . . . . . . 3-4
ADMINISTRATION . . . . . . . . . . . . . . 1 -1 310 Washroom and Toilet Room Requirements . . . . . . 3-5
311 Toilet Facilities for Workers . . . . . . . . . . . . . . . . . 3-5
PART I- SCOPE AND APPLICATION. 1 -1
312 Tests and Inspections . . . . . . . . . . . . . . . . . . . . . . . 3-5
. . . . . . . . . .




Section
313 Equipment Efficiencies . . . . . . . . . . . . . . . . . . . . . 3-6
101 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 1
3 14 Condensate Disposal . . . . . . . . . . . . . . . . . . . . . . . 3-6
1 02 Applicability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 1
3 15 Penetrations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
316 Alternative Engineered Design . . . . . . . . . . . . . . . 3-7
PART 2- ADMINISTRATION
AND ENFORCEMENT . . . . . . . . . . . . . . . . 1 -2
CHAPTER 4 FIXTURES, FAUCETS
Section
AND FIXTURE FITTINGS 4-1
103 Code Compliance Agency . . . . . . . . . . . . . . . . . . . 1 -2
. . . . . . . .




Section
1 04 Duties and Powers of the Code Official . . . . . . . . . 1 -2
40 1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4- 1
1 05 Approval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 -3
402 Fixture Materials . . . . . . . . . . . . . . . . . . . . . . . . . . 4- 1
106 Permits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
403 Minimum Plumbing Facilities . . . . . . . . . . . . . . . . 4- 1
1 07 Temporary Equipment, Systems and Uses . . . . . . . 1 -5
404 Accessible Plumbing Facilities . . . . . . . . . . . . . . . 4-5
108 Inspections and Testing . . . . . . . . . . . . . . . . . . . . . 1 -5
405 Installation of Fixtures . . . . . . . . . . . . . . . . . . . . . . 4-5
1 09 Fees . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 -6
406 Automatic Clothes Washers . . . . . . . . . . . . . . . . . . 4-7
1 10 Construction Documents . . . . . . . . . . . . . . . . . . . . 1 -6
407 Bathtubs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
111 Notice of Approval . . . . . . . . . . . . . . . . . . . . . . . . . 1 -7
408 Bidets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
1 12 Service Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 -7
409 Dishwashing Machines . . . . . . . . . . . . . . . . . . . . . 4-7
1 13 Stop Work Order . . . . . . . . . . . . . . . . . . . . . . . . . . 1 -7
410 Drinking Fountains . . . . . . . . . . . . . . . . . . . . . . . . 4-7
1 14 Means of Appeals . . . . . . . . . . . . . . . . . . . . . . . . . . 1 -7
41 1 Emergency Showers and Eyewash Stations . . . . . 4-8
1 15 Violations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
412 Faucets and Fixture Fittings . . . . . . . . . . . . . . . . . . 4-8
CHAPTER 2 DEFINITIONS . . . . . . . . . . . . . . . . . . . 2-1 413 Floor and Trench Drains . . . . . . . . . . . . . . . . . . . . 4-9

Section 414 Floor Sinks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
20 1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2- 1 415 Flushing Devices for
Water Closets and Urinals . . . . . . . . . . . . . . . . . 4-9
202 General Definitions . . . . . . . . . . . . . . . . . . . . . . . . 2- 1
416 Food Waste Disposer Units . . . . . . . . . . . . . . . . . 4- 1 0
CHAPTER 3 GENERAL REGULATIONS . . . . . . . 3-1 417 Garbage Can Washers . . . . . . . . . . . . . . . . . . . . . 4- 1 0

Section 418 Laundry Trays . . . . . . . . . . . . . . . . . . . . . . . . . . . 4- 1 0

301 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 1 419 Lavatories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4- 1 0

302 Exclusion o f Materials Detrimental 420 Manual Food and Beverage
to the Sewer System . . . . . . . . . . . . . . . . . . . . . . 3- 1 Dispensing Equipment . . . . . . . . . . . . . . . . . . . 4- 1 0
303 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 1 42 1 Showers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4- 1 0

304 Rodentproofing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 422 Sinks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4- 1 2

305 Protection of Pipes and Plumbing 423 Specialty Plumbing Fixtures . . . . . . . . . . . . . . . . 4- 1 2
System Components . . . . . . . . . . . . . . . . . . . . . . 3-2 424 Urinals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4- 1 2
306 Trenching, Excavation and Backfill . . . . . . . . . . . . 3-2 425 Water Closets . . . . . . . . . . . . . . . . . . . . . . . . . . . 4- 1 2
307 Structural Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 426 Whirlpool Bathtubs . . . . . . . . . . . . . . . . . . . . . . . 4- 1 2
308 Piping Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3



2021 INTERNATIONAL P L U M BING CODE® xiii

, TAB LE O F CONTENTS



CHAPTER 5 WATER HEATERS. . . . . . . . . . . . . . . 5-1 716 Replacement of Underground Building Sewers
and Building Drains by Pipe-Bursting
Section
Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7- 1 2
50 1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5- 1
7 17 Relining Building Sewers and
502 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5- 1 Building Drains . . . . . . . . . . . . . . . . . . . . . . . . 7- 1 3
503 Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2 718 Rehabilitation of Building Sewers and
504 Safety Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2 Building Drains . . . . . . . . . . . . . . . . . . . . . . . . 7 - 1 3

505 Insulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
CHAPTER 8 INDIRECT/SPECIAL WASTE . . . . . 8-1

CHAPTER 6 WATER SUPPLY Section
AND DISTRIBUTION. . . . . . . . . . . . . 6-1 801 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 - 1
Section 802 Indirect Wastes. . . . . . . . . . . . . . . . . . . . . . . . . . . . 8- 1
60 1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6- 1 803 Special Wastes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
602 Water Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6- 1
603 Water Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2 CHAPTER 9 VENTS. . . . . . . . . . . . . . . . . . . . . . . . . . 9-1

604 Design of Building Water Section
Distribution System . . . . . . . . . . . . . . . . . . . . . . 6-2 901 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 - 1
605 Materials, Joints and Connections . . . . . . . . . . . . . 6-4 902 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 - 1
606 Installation of the Building Water 903 Vent Terminals. . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 - 1
Distribution System . . . . . . . . . . . . . . . . . . . . . . 6-9
904 Outdoor Vent Extensions . . . . . . . . . . . . . . . . . . . . 9-2
607 Hot Water Supply System . . . . . . . . . . . . . . . . . . 6- 1 0
905 Vent Connections and Grades . . . . . . . . . . . . . . . . 9-2
608 Protection of Potable Water Supply . . . . . . . . . . . 6- 1 1
906 Vent Pipe Sizing . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2
609 Health Care Plumbing . . . . . . . . . . . . . . . . . . . . . 6- 1 7
907 Vents for Stack Offsets . . . . . . . . . . . . . . . . . . . . . 9-4
610 Disinfection of Potable Water System . . . . . . . . . 6- 1 8
908 Relief Vents-Stacks of More Than
61 1 Drinking Water Treatment Units . . . . . . . . . . . . . 6- 1 8
1 0 Branch Intervals . . . . . . . . . . . . . . . . . . . . . . 9-4
612 Solar Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6- 1 8
909 Fixture Vents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5
613 Temperature Control Devices and Valves . . . . . . 6- 1 8
910 Individual Vent . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5
911 Common Vent . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5
CHAPTER 7 SANITARY DRAINAGE. . . . . . . . . . . 7 -1
912 Wet Venting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5
Section
913 Waste Stack Vent . . . . . . . . . . . . . . . . . . . . . . . . . . 9-6
70 1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7- 1
702 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7- 1 9 14 Circuit Venting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-6

703 Building Sewer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3 9 15 Combination Waste and Vent System . . . . . . . . . . 9-7
704 Drainage Piping Installation . . . . . . . . . . . . . . . . . . 7-3 916 Island Fixture Venting . . . . . . . . . . . . . . . . . . . . . . 9-7
705 Joints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-4 917 Single-Stack Vent System . . . . . . . . . . . . . . . . . . . 9-7
706 Connections Between Drainage 918 Air Admittance Valves . . . . . . . . . . . . . . . . . . . . . 9-8
Piping and Fittings . . . . . . . . . . . . . . . . . . . . . . . 7-6
919 Engineered Vent Systems . . . . . . . . . . . . . . . . . . . 9-9
707 Prohibited Joints and Connections . . . . . . . . . . . . . 7-7
920 Computerized Vent Design . . . . . . . . . . . . . . . . . . 9-9
708 Cleanouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
709 Fixture Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8
CHAPTER 10 TRAPS, INTERCEPTORS
710 Drainage System Sizing . . . . . . . . . . . . . . . . . . . . 7- 1 0 AND SEPARATORS . . . . . . . . . . . . 1 0 -1
711 Offsets in Drainage Piping in Buildings
of Five Stories or More . . . . . . . . . . . . . . . . . . 7- 1 0 Section

712 Sumps and Ejectors . . . . . . . . . . . . . . . . . . . . . . . 7- 1 1 1 00 1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 0- 1

713 Computerized Drainage Design . . . . . . . . . . . . . . 7- 1 2 1 002 Trap Requirements . . . . . . . . . . . . . . . . . . . . . . . 1 0- 1
714 Backwater Valves . . . . . . . . . . . . . . . . . . . . . . . . . 7- 1 2 1 003 Interceptors and Separators . . . . . . . . . . . . . . . . . 1 0-2
715 Vacuum Drainage Systems . . . . . . . . . . . . . . . . . 7- 1 2 1 004 Materials, Joints and Connections . . . . . . . . . . . 1 0-4


xiv 2021 INTERNATIONAL P L U M BING CODE ®

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