article xv allegheny county health department …health department plumbing code to fruition....
TRANSCRIPT
2017
ARTICLE XVALLEGHENY COUNTYHEALTH DEPARTMENTPLUMBING CODE
5982L17
17_Allegheny County Plumbing Code_titlepage.indd 1 6/25/2018 1:50:01 PM
Article XV Allegheny County Health Department Plumbing Code
First Printing: September 2018
ISBN: 978-1-60983-820-1
COPYRIGHT © 2018 by
INTERNATIONAL CODE COUNCIL, INC.
ALL RIGHTS RESERVED. This Article XV Allegheny County Health Department Plumbing Code contains substantial copy-righted materials from the 2009 International Plumbing Code®, 7th printing, which is a copyrighted work owned by the Interna-tional Code Council, Inc., that is copyright © 2009 International Code Council, Inc. Additionally, a substantial portion of allfigures included in this Article XV Allegheny County Health Department Plumbing Code were initially printed in the 2009 Inter-national Plumbing Code—Code and Commentary, which is a copyrighted work owned by the International Code Council, Inc.,that is copyright © 2010 International Code Council, Inc. ALL RIGHTS RESERVED. Without advance written permission fromthe copyright owner, no part of this work may be reproduced, distributed or transmitted in any form or by any means, including,without limitation, electronic, optical or mechanical means (by way of example, and not limitation, photocopying, or recordingby or in an information storage retrieval system). For information on use rights and permissions, please contact: ICC Publica-tions, 4051 Flossmoor Road, Country Club Hills, IL 60478. Phone 1-888-ICC-SAFE (422-7233).
Trademarks: “International Code Council,” the “International Code Council” logo, “ICC,” the “ICC” logo, “InternationalPlumbing Code,” “IPC” and other names and trademarks appearing in this book are registered trademarks of the InternationalCode Council, Inc., and/or its licensors (as applicable), and may not be used without permission.
PRINTED IN THE U.S.A.
T022787
ARTICLE XV ALLEGHENY COUNTY HEALTH DEPARTMENT PLUMBING CODE iii
ACKNOWLEDGMENTS
The Allegheny County Health Department gratefully acknowledges the contribution of time, expertise and diligenteffort generously given by a variety of individuals in helping to bring this edition of the Article XV Allegheny CountyHealth Department Plumbing Code to fruition.
ALLEGHENY COUNTY HEALTH DEPARTMENTKaren Hacker, M.D., M.P.H.
DirectorJim Kelly
Deputy Director of Environmental HealthAndrew F. Grese
Plumbing Program Manager/Chief Plumbing InspectorMike Parker
Attorney
PLUMBING ADVISORY BOARD MEMBERSMartin O’Toole, Board ChairmanJohn Cummins, Board Vice-chairmanCharles L. DesmoneRuthann L. Omer, P. E.John InksRegis R. ClausJeff A. MartinMaura KennedyWilliam PriceJohn Moffett
CODE REVIEW COMMITTEEAndrew F. Grese
Plumbing Program ManagerIvo Miller
Assistant Program ManagerTim Mahoney
Plumbing Inspector SupervisorTom Ruffing
Plumbing Inspector SupervisorAndrew P. Grese
Plumbing Plans Examiner/SupervisorAmanda Minech
Senior Secretary ACHD Plumbing Division
INTERNATIONAL CODE COUNCILMargaret M. Leddin
Vice President, Publishing and Multimedia(Editor)
Beverly LedbetterPrint Production Technician(Layout)
ARTICLE XV ALLEGHENY COUNTY HEALTH DEPARTMENT PLUMBING CODE v
TABLE OF CONTENTS
CHAPTER 1 ADMINISTRATION . . . . . . . . . . . . . . . 1
PART 1—SCOPE AND APPLICATION. . . . . . . . . . . . . 1
Section
101 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
102 Applicability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
PART 2—ADMINISTRATION ANDENFORCEMENT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
103 Department of Plumbing Inspection . . . . . . . . . . . 2
104 Duties and Powers of the Code Official . . . . . . . . 2
105 Approval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
106 Permits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
107 Inspections and Testing . . . . . . . . . . . . . . . . . . . . . 8
108 Violations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
109 Means of Appeal . . . . . . . . . . . . . . . . . . . . . . . . . 11
AC-110 Plumbing Advisory Board . . . . . . . . . . . . . . . . . . 11
CHAPTER 2 DEFINITIONS . . . . . . . . . . . . . . . . . . . 13
Section
201 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
202 General Definitions . . . . . . . . . . . . . . . . . . . . . . . 13
CHAPTER 3 GENERAL REGULATIONS . . . . . . . 23
Section
301 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
302 Exclusion of Materials Detrimentalto the Sewer System. . . . . . . . . . . . . . . . . . . . . 23
303 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
304 Rodentproofing . . . . . . . . . . . . . . . . . . . . . . . . . . 23
305 Protection of Pipes and PlumbingSystem Components. . . . . . . . . . . . . . . . . . . . . 23
306 Trenching, Excavation and Backfill . . . . . . . . . . 27
307 Structural Safety. . . . . . . . . . . . . . . . . . . . . . . . . . 28
308 Piping Support . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
309 Flood Hazard Resistance . . . . . . . . . . . . . . . . . . . 31
310 Washroom and Toilet RoomRequirements . . . . . . . . . . . . . . . . . . . . . . . . . . 32
311 Toilet Facilities for Workers . . . . . . . . . . . . . . . . 32
312 Tests and Inspections . . . . . . . . . . . . . . . . . . . . . . 32
313 Equipment Efficiencies . . . . . . . . . . . . . . . . . . . . 34
314 Condensate Disposal . . . . . . . . . . . . . . . . . . . . . . 34
CHAPTER 4 FIXTURES, FAUCETS AND FIXTURE FITTINGS . . . . . . . . . . . . . 37
Section
401 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
402 Fixture Materials . . . . . . . . . . . . . . . . . . . . . . . . . 37
403 Minimum Plumbing Facilities. . . . . . . . . . . . . . . 37
404 Accessible Plumbing Facilities . . . . . . . . . . . . . . 42
405 Installation of Fixtures. . . . . . . . . . . . . . . . . . . . . 42
406 Automatic Clothes Washers . . . . . . . . . . . . . . . . 43
407 Bathtubs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
408 Bidets. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
409 Dishwashing Machines . . . . . . . . . . . . . . . . . . . . 43
410 Drinking Fountains . . . . . . . . . . . . . . . . . . . . . . . 43
411 Emergency Showers and Eyewash Stations. . . . . . . . . . . . . . . . . . . . . . . 44
412 Floor and Trench Drains . . . . . . . . . . . . . . . . . . . 44
413 Food Waste Grinder Units. . . . . . . . . . . . . . . . . . 44
414 Garbage Can Washers . . . . . . . . . . . . . . . . . . . . . 45
415 Laundry Trays . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
416 Lavatories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
417 Showers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
418 Sinks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
419 Urinals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
420 Water Closets. . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
421 Whirlpool Bathtubs . . . . . . . . . . . . . . . . . . . . . . . 47
422 Health Care Fixtures and Equipment . . . . . . . . . 47
423 Specialty Plumbing Fixtures . . . . . . . . . . . . . . . . 48
424 Faucets and Other Fixture Fittings . . . . . . . . . . . 48
425 Flushing Devices for Water Closets and Urinals. . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
426 Manual Food and BeverageDispensing Equipment . . . . . . . . . . . . . . . . . . 50
427 Floor Sinks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
CHAPTER 5 WATER HEATERS . . . . . . . . . . . . . . 51
Section
501 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
502 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
503 Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
504 Safety Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
505 Insulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
TABLE OF CONTENTS
vi ARTICLE XV ALLEGHENY COUNTY HEALTH DEPARTMENT PLUMBING CODE
CHAPTER 6 WATER SUPPLY ANDDISTRIBUTION . . . . . . . . . . . . . . . . . 57
Section
601 General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
602 Water Required . . . . . . . . . . . . . . . . . . . . . . . . . . 57
603 Water Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
604 Design of Building Water Distribution System . . . . . . . . . . . . . . . . . . . . . 62
605 Materials, Joints and Connections . . . . . . . . . . . . 63
606 Installation of the Building WaterDistribution System . . . . . . . . . . . . . . . . . . . . . 68
607 Hot Water Supply System . . . . . . . . . . . . . . . . . . 69
608 Protection of Potable Water Supply. . . . . . . . . . . 70
609 Health Care Plumbing . . . . . . . . . . . . . . . . . . . . . 75
610 Disinfection of Potable Water System. . . . . . . . . 76
611 Drinking Water Treatment Units . . . . . . . . . . . . . 76
612 Solar Systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
613 Temperature Control Devices and Valves . . . . . . 76
CHAPTER 7 SANITARY DRAINAGE . . . . . . . . . . 77
Section
701 General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
702 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
703 Building Sewer . . . . . . . . . . . . . . . . . . . . . . . . . . 82
704 Drainage Piping Installation . . . . . . . . . . . . . . . . 83
705 Joints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
706 Connections between Drainage Piping and Fittings . . . . . . . . . . . . . . . . . . . . . . 88
707 Prohibited Joints and Connections. . . . . . . . . . . . 88
708 Cleanouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
709 Fixture Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
710 Drainage System Sizing. . . . . . . . . . . . . . . . . . . . 94
AC-711 Sizing of Offsets in Vertical Stacks . . . . . . . . . . . 94
712 Sumps and Ejectors . . . . . . . . . . . . . . . . . . . . . . . 96
713 Health Care Plumbing . . . . . . . . . . . . . . . . . . . . . 99
714 Computerized Drainage Design. . . . . . . . . . . . . 101
715 Backwater Valves . . . . . . . . . . . . . . . . . . . . . . . 101
CHAPTER 8 INDIRECT/SPECIAL WASTE . . . . 103
Section
801 General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
802 Indirect Wastes. . . . . . . . . . . . . . . . . . . . . . . . . . 103
803 Special Wastes . . . . . . . . . . . . . . . . . . . . . . . . . . 105
804 Materials, Joints and Connections . . . . . . . . . . . 107
CHAPTER 9 VENTS . . . . . . . . . . . . . . . . . . . . . . . . 109
Section
AC-901 Selecting Size of Vent Pipe . . . . . . . . . . . . . . . . 109
AC-902 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
AC-903 Protection of Trap Seals . . . . . . . . . . . . . . . . . . 109
AC-904 Vent Stacks and Stack Vents. . . . . . . . . . . . . . . 109
AC-905 Vent Terminals . . . . . . . . . . . . . . . . . . . . . . . . . 110
AC-906 Vent Grade and Connections. . . . . . . . . . . . . . . 110
AC-907 Fixture Vents . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
AC-908 Vents for Fixture Traps belowTrap Drip . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
AC-909 Venting Requirements for Floor SetWater Closets and Pedestal Urinals. . . . . . . . 111
AC-910 Venting Requirements for Wall Hung,Valve-operated Water Closets. . . . . . . . . . . . 111
AC-911 Venting Requirements for Floor Drains and Similar Floor-level Connecting Fixtures . . . . . . . . . . . . . . . . . . . 111
AC-912 Venting Requirements for Water Closets,Floor Drains, Conductors or Similar Floor-level Connected Fixtures Located on Same Horizontal Branch of Building Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
AC-913 Circuit and Loop Venting for Water Closets and Pedestal Urinals (Floor-type Tank Operated, Valve-operated Wall-hung Tank Operated). . . . . . . . . . . . . . . . . . . 112
AC-914 Common Vents . . . . . . . . . . . . . . . . . . . . . . . . . 113
AC-915 Relief or Yoke Vents for Stacks of More than Ten (10) Branch Intervals . . . . . . 113
AC-916 Venting of Sumps and Sewers. . . . . . . . . . . . . . 113
917 Reserved . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
918 Engineered Vent Systems . . . . . . . . . . . . . . . . . 113
919 Computerized Vent Design . . . . . . . . . . . . . . . . 114
AC-920 Air Admittance Valves . . . . . . . . . . . . . . . . . . . 114
CHAPTER 10 TRAPS, INTERCEPTORS AND SEPARATORS. . . . . . . . . . . . . 115
Section
1001 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
1002 Trap Requirements . . . . . . . . . . . . . . . . . . . . . . 115
1003 Interceptors and Separators . . . . . . . . . . . . . . . . 116
1004 Materials, Joints and Connections. . . . . . . . . . . 122
CHAPTER 11 STORM DRAINAGE . . . . . . . . . . . . 123
Section
1101 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
TABLE OF CONTENTS
ARTICLE XV ALLEGHENY COUNTY HEALTH DEPARTMENT PLUMBING CODE vii
1102 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
1103 Traps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
1104 Conductors and Connections . . . . . . . . . . . . . . . 124
1105 Roof Drains . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
1106 Size of Conductors, Leaders and Storm Drains . . . . . . . . . . . . . . . . . . . . . . 125
1107 Secondary (Emergency) Roof Drains . . . . . . . . 125
1108 Combined Sanitary and Storm System . . . . . . . 125
1109 Values for Continuous Flow . . . . . . . . . . . . . . . 126
1110 Controlled Flow Roof Drain Systems . . . . . . . . 126
1111 Subsoil Drains . . . . . . . . . . . . . . . . . . . . . . . . . . 126
1112 Building Subdrains. . . . . . . . . . . . . . . . . . . . . . . 127
1113 Sumps and Pumping Systems . . . . . . . . . . . . . . 127
CHAPTER 12 SPECIAL PIPING ANDSTORAGE SYSTEMS . . . . . . . . . . . 129
Section
1201 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
1202 Medical Gases . . . . . . . . . . . . . . . . . . . . . . . . . . 129
1203 Oxygen Systems. . . . . . . . . . . . . . . . . . . . . . . . . 129
CHAPTER 13 REFERENCED STANDARDS. . . . . 131
APPENDIX A PLUMBING PERMIT FEE SCHEDULE - RESERVED . . . 141
APPENDIX B RATES OF RAINFALL FORVARIOUS CITIES - RESERVED . . 141
APPENDIX C GRAY WATER RECYCLINGSYSTEMS - RESERVED . . . . . . . . . 141
APPENDIX D DEGREE DAY AND DESIGNTEMPERATURES - RESERVED . . 141
APPENDIX E SIZING OF WATERPIPING SYSTEM . . . . . . . . . . . . . . . 143
Section
E101 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
E102 Information Required. . . . . . . . . . . . . . . . . . . . . 143
E103 Selection of Pipe Size . . . . . . . . . . . . . . . . . . . . 143
E201 Selection of Pipe Size . . . . . . . . . . . . . . . . . . . . 160
E202 Determination of Pipe Volumes. . . . . . . . . . . . . 160
APPENDIX F STRUCTURAL SAFETY. . . . . . . . . 165
Section
F101 Cutting, Notching and Boring in Wood Members . . . . . . . . . . . . . . . . . . . . . 165
APPENDIX G VACUUM DRAINAGE SYSTEM. . 167
Section
G101 Vacuum Drainage System . . . . . . . . . . . . . . . . . 167
APPENDIX AC-HILLUSTRATION. . . . . . . . . . . . . . . . 169
INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171