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2006 Arkansas Plumbing CodeFirst PrintingISBN: 978-1-58001-564-6Publication Date: February 2008COPYRIGHT 2008byINTERNATIONAL CODE COUNCIL, INC.ALL RIGHTS RESERVED. This 2006 Arkansas Plumbing Code contains substantial copyrighted material from the 2006 International Plumbing, Second Printing, which are copyrighted works owned by the International Code Council, Inc. Without advancewritten permission from the copyright owner, no part of this book may be reproduced, distributed or transmitted in any form or byany means, including, without limitation, electronic, optical or mechanical means (by way of example and not limitation, photocopying, or recording by or in an information storage retrieval system). For information on permission to copy material exceedingfair use, please contact: Publications, 4051 West Flossmoor Road, Country Club Hills, IL 60478. Phone 1-888-ICC-SAFE(422-7233).Trademarks: “International Code Council,” the “International Code Council” logo and the “International Plumbing Code” aretrademarks of the International Code Council, Inc.PRINTED IN THE U.S.A.
FORREWOORDThe Arkansas State Plumbinng Code has bbeen prepared for the purpoose of setting forf the minimuum uniform standards to beeffollowed by th e Arkansas Pluumbing Industrry.The following regulation is dduly adopted aand promulgateed by the Arkaansas State Boaard of Health pursuantpto thee authority ex-pressly conferrred by the Statte of Arkansas iin Act 200, of 1951,1as amendded, and Act 966 of 1913, as ammended.Revisions werre made in 19553, 1957, 1963,, 1970, 1991, 1995,11999, 20003 and 2006 (2006(Code Reevised in 2008,, 2012, & 20133ffor minor channges).All questions/ccomments regarrding this publication should beb directed to thhe Arkansas Depepartment of Heealth, Plumbingg & Natural GaasSection, 4815 W. Markham Stt., Slot –24, Litttle Rock, Arkanssas 72205-38677.
TABLE OF CONTENTSCHAPTER 1 ADMINISTRATION . . . . . . . . . . . . . . . 1Section101 General . . . . . . . . . . . . . . . . . . . . . . . 1102 Applicability . . . . . . . . . . . . . . . . . . . . 1103 Department of Health, Arkansas State Plumbingand Natural Gas Section . . . . . . . . . . . . . . 1104 Duties and Powers of the Code Official . . . . . . 2105 Approval . . . . . . . . . . . . . . . . . . . . . . 2106 Permits . . . . . . . . . . . . . . . . . . . . . . . 3107 Inspections and Testing. . . . . . . . . . . . . . . 4108 Violations . . . . . . . . . . . . . . . . . . . . . . 5109 Means of Appeal . . . . . . . . . . . . . . . . . . 6110 Code Book Fees . . . . . . . . . . . . . . . . . . 6414415416417418419420421422423424425426CHAPTER 2 DEFINITIONS . . . . . . . . . . . . . . . . . . . . 7Section201 General . . . . . . . . . . . . . . . . . . . . . . . 7202 General Definitions . . . . . . . . . . . . . . . . . 7CHAPTER 3 GENERAL REGULATIONS . . . . . . . 15Section301 General. . . . . . . . . . . . . . . . . . . . . . . 15302 Exclusion of Materials Detrimentalto the Sewer System. . . . . . . . . . . . . . . . 15303 Materials . . . . . . . . . . . . . . . . . . . . . . 15304 Rodentproofing . . . . . . . . . . . . . . . . . . 15305 Protection of Pipes and PlumbingSystem Components. . . . . . . . . . . . . . . . 16306 Trenching, Excavation and Backfill . . . . . . . 16307 Structural Safety. . . . . . . . . . . . . . . . . . 17308 Piping Support. . . . . . . . . . . . . . . . . . . 17309 Flood Hazard Resistance . . . . . . . . . . . . . 18310 Washroom and Toilet RoomRequirements . . . . . . . . . . . . . . . . . . . 19311 Toilet Facilities for Workers . . . . . . . . . . . 19312 Tests and Inspections . . . . . . . . . . . . . . . 19313 Equipment Efficiencies . . . . . . . . . . . . . . 20314 Condensate Disposal . . . . . . . . . . . . . . . 20CHAPTER 4FIXTURES, FAUCETS ANDFIXTURE FITTINGS . . . . . . . . . . . . . 23Section401 General. . . . . . . . . . . . . . .402 Fixture Materials . . . . . . . . .403 Minimum Plumbing Facilities . .404 Accessible Plumbing Facilities . .405 Installation of Fixtures . . . . . .406 Automatic Clothes Washers. . . .407 Bathtubs . . . . . . . . . . . . . .408 Bidets . . . . . . . . . . . . . . .409 Dishwashing Machines . . . . . .410 Drinking Fountains . . . . . . . .411 Emergency Showers and EyewashStations . . . . . . . . . . . . . .412 Floor and Trench Drains . . . . .413 Food Waste Grinder Units . . . .ARKANSAS PLUMBING CODE.23232326262727272828. . . . . . . . 28. . . . . . . . 28. . . . . . . . 28427Garbage Can Washers . . . . . . . . . . .Laundry Trays . . . . . . . . . . . . . . .Lavatories . . . . . . . . . . . . . . . . .Showers . . . . . . . . . . . . . . . . . .Sinks . . . . . . . . . . . . . . . . . . . .Urinals . . . . . . . . . . . . . . . . . . .Water Closets . . . . . . . . . . . . . . .Whirlpool Bathtubs . . . . . . . . . . . .Health Care Fixtures and Equipment. . .Specialty Plumbing Fixtures . . . . . . .Faucets and Other Fixture Fittings . . . .Flushing Devices for Water Closets andUrinals . . . . . . . . . . . . . . . . . . .Manual Food and BeverageDispensing Equipment . . . . . . . . . .Floor Sinks . . . . . . . . . . . . . . . .CHAPTER 5 WATER HEATERSSection501 General. . . . . . . . . . . . .502 Installation . . . . . . . . . . .503 Connections . . . . . . . . . .504 Safety Devices. . . . . . . . .505 Insulation . . . . . . . . . . .CHAPTER 6.2828282930303030313131. . . . 32. . . . 32. . . . 32. . . . . . . . . . . . . . . 33.3333333434WATER SUPPLY ANDDISTRIBUTION . . . . . . . . . . . . . . . . . . 35Section601 General. . . . . . . . . . . . . . . . . . .602 Water Required . . . . . . . . . . . . . .603 Water Service . . . . . . . . . . . . . . .604 Design of Building Water DistributionSystem . . . . . . . . . . . . . . . . . . .605 Materials, Joints and Connections . . . .606 Installation of the Building WaterDistribution System . . . . . . . . . . . .607 Hot Water Supply System. . . . . . . . .608 Protection of Potable Water Supply . . .609 Health Care Plumbing. . . . . . . . . . .610 Disinfection of Potable Water System . .611 Drinking Water Treatment Units . . . . .612 Solar Systems . . . . . . . . . . . . . . .613 Temperature Control Devices and Valves614 Testing and Repair . . . . . . . . . . . . . . . 35. . . . 35. . . . 35. . . . 36. . . . 37.424344474747474747CHAPTER 7 SANITARY DRAINAGE . . . . . . . . . . . 49Section701 General. . . . . . . . . . . . . . . . . . . . . . . 49702 Materials . . . . . . . . . . . . . . . . . . . . . . 49703 Building Sewer . . . . . . . . . . . . . . . . . . 51704 Drainage Piping Installation . . . . . . . . . . . 51705 Joints . . . . . . . . . . . . . . . . . . . . . . . . 51706 Connections Between Drainage Pipingand Fittings . . . . . . . . . . . . . . . . . . . . 54707 Prohibited Joints and Connections . . . . . . . . 55708 Cleanouts . . . . . . . . . . . . . . . . . . . . . 55v
TABLE OF CONTENTS709710711712713714715Fixture Units. . . . . . . . . . . . . . . . . . . .Drainage System Sizing. . . . . . . . . . . . . .Offsets in Drainage Piping in Buildings of FiveStories or More . . . . . . . . . . . . . . . . . .Sumps and Ejectors . . . . . . . . . . . . . . . .Health Care Plumbing. . . . . . . . . . . . . . .Deleted. . . . . . . . . . . . . . . . . . . . . . .Backwater Valves . . . . . . . . . . . . . . . . .56565659596161CHAPTER 8 INDIRECT/SPECIAL WASTE . . . . . 63Section801 General. . . . . . . . . . . . . . . . . . . . . . . 63802 Indirect Wastes . . . . . . . . . . . . . . . . . . 63803 Special Wastes. . . . . . . . . . . . . . . . . . . 64804 Materials, Joints and Connections . . . . . . . . 64CHAPTER 9 VENTS . . . . . . . . . . . . . . . . . . . . . . . . . .Section901 General. . . . . . . . . . . . . . . . . . . . . . .902 Materials . . . . . . . . . . . . . . . . . . . . . .903 Vent Stacks and Stack Vents . . . . . . . . . . .904 Vent Terminals. . . . . . . . . . . . . . . . . . .905 Vent Connections and Grades . . . . . . . . . .906 Fixture Vents . . . . . . . . . . . . . . . . . . .907 Individual Vent . . . . . . . . . . . . . . . . . .908 Common Vent . . . . . . . . . . . . . . . . . . .909 Wet Venting . . . . . . . . . . . . . . . . . . . .910 Waste Stack Vent . . . . . . . . . . . . . . . . .911 Circuit Venting . . . . . . . . . . . . . . . . . .912 Combination Drain And Vent System . . . . . .913 Deleted. . . . . . . . . . . . . . . . . . . . . . .914 Relief Vents—Stacks of More Than10 Branch Intervals . . . . . . . . . . . . . . . .915 Vents for Stack Offsets . . . . . . . . . . . . . .916 Vent Pipe Sizing . . . . . . . . . . . . . . . . . .917 Air Admittance Valves . . . . . . . . . . . . . .918 Deleted. . . . . . . . . . . . . . . . . . . . . . .65656565656666666666676768686868687070CHAPTER 10 TRAPS, INTERCEPTORS ANDSEPARATORS . . . . . . . . . . . . . . . . . . . 73Section1001 General. . . . . . . . . . . . . . . . . . . . . . . 731002 Trap Requirements . . . . . . . . . . . . . . . . 731003 Interceptors and Separators . . . . . . . . . . . . 731004 Materials, Joints and Connections . . . . . . . . 75CHAPTER 11 STORM DRAINAGE . . . . . . . . . . . . . . 77Section1101 General. . . . . . . . . . . . . . . . . . . . . . . 771102 Materials . . . . . . . . . . . . . . . . . . . . . . 771103 Traps . . . . . . . . . . . . . . . . . . . . . . . . 781104 Conductors and Connections . . . . . . . . . . . 781105 Roof Drains . . . . . . . . . . . . . . . . . . . . 781106 Size of Conductors, Leaders andStorm Drains . . . . . . . . . . . . . . . . . . . 781107 Secondary (Emergency) Roof Drains . . . . . . 851108 Deleted. . . . . . . . . . . . . . . . . . . . . . . 861109 Values for Continuous Flow . . . . . . . . . . . 861110 Controlled Flow Roof Drain Systems . . . . . . 86vi1111 Subsoil Drains . . . . . . . . . . . . . . . . . . . 861112 Building Subdrains . . . . . . . . . . . . . . . . 861113 Sumps and Pumping Systems. . . . . . . . . . . 86CHAPTER 12 REFERENCED STANDARDS . . . . . . 87APPENDIX A PLUMBING PERMIT FEESCHEDULE. . . . . . . . . . . . . . . . . . . . . .Permit Issuance . . . . . . . . . . . . . . . . . . . . . .Unit Fee Schedule. . . . . . . . . . . . . . . . . . . . .Other Inspections and Fees . . . . . . . . . . . . . . . .95959595APPENDIX B RATES OF RAINFALL FORVARIOUS CITIES . . . . . . . . . . . . . . . . 97APPENDIX C GRAY WATER RECYCLINGSYSTEMS . . . . . . . . . . . . . . . . . . . . . . .SectionC101 Gray Water Recycling Systems . . . . . . . . . .C102 Systems for Flushing WaterClosets and Urinals . . . . . . . . . . . . . . . .C103 Deleted. . . . . . . . . . . . . . . . . . . . . . .99999999APPENDIX D DEGREE DAY AND DESIGNTEMPERATURES . . . . . . . . . . . . . . . 101APPENDIX E SIZING OF WATER PIPINGSYSTEM . . . . . . . . . . . . . . . . . . . . . . .SectionE101 General . . . . . . . . . . . . . . . . . . . . . .E102 Information Required . . . . . . . . . . . . . .E103 Selection of Pipe Size . . . . . . . . . . . . . .E201 Selection of Pipe Size . . . . . . . . . . . . . .107107107107124APPENDIX F Deleted . . . . . . . . . . . . . . . . . . . . . . . . . . 127APPENDIX G VACUUM DRAINAGESYSTEM . . . . . . . . . . . . . . . . . . . . . . . 129SectionG101 Vacuum Drainage System . . . . . . . . . . . . 129APPENDIX H PLUMBING AND NATURAL GASINSPECTORS . . . . . . . . . . . . . . . . . . . 131APPENDIX I AIR ADMITTANCE VALVES . . . . . 133INDEX· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 137ARKANSAS PLUMBING CODE
CHAPTER 1ADMINISTRATIONSECTION 101GENERAL101.1 Title. Arkansas State Plumbing Code hereinafterreferred to “this code.”101.2 Scope. The provisions of this code shall be statewide inapplication and shall apply to the erection, installation, alteration, repairs, relocation, replacement, addition to, use ormaintenance of plumbing systems within this jurisdiction.The installation of natural gas distribution piping and equipment, natural-gas-fired water heaters and water-heating venting systems, gas-fired room heaters and floor furnaces shallbe regulated in accordance with the Arkansas State Gas Code.101.3 Intent. The purpose of this code is to provide minimumstandards to safeguard life or limb, health, property and public welfare by regulating and controlling the design, construction, installation, quality of materials, location, operation andmaintenance or use of plumbing equipment and systems.101.4 Severability. If any section, subsection, sentence,clause or phrase of this code is for any reason held to beunconstitutional, such decision shall not affect the validity ofthe remaining portions of this code.SECTION 102APPLICABILITY102.1 General. The provisions of this code shall apply to allmatters affecting or relating to structures, as set forth in Section 101. Where, in any specific case, different sections of thiscode specify different materials, methods of construction orother requirements, the most restrictive shall govern.102.2 Existing installations. Plumbing systems lawfully inexistence at the time of the adoption of this code shall be permitted to have their use and maintenance continued if the use,maintenance or repair is in accordance with the originaldesign and no hazard to life, health or property is created bysuch plumbing system.102.3 Maintenance. All plumbing systems, materials andappurtenances, both existing and new, and all parts thereof,shall be maintained in proper operating condition in accordance with the original design in a safe and sanitary condition.All devices or safeguards required by this code shall be maintained in compliance with the code edition under which theywere installed.The owner or the owner’s designated agent shall be responsible for maintenance of plumbing systems. To determine compliance with this provision, the code official shall have theauthority to require any plumbing system to be reinspected.[EB] 102.4 Additions, alterations or repairs. Additions,alterations, renovations or repairs to any plumbing systemshall conform to that required for a new plumbing systemwithout requiring the existing plumbing system to complyARKANSAS PLUMBING CODEwith all the requirements of this code. Additions, alterationsor repairs shall not cause an existing system to becomeunsafe, insanitary or overloaded.Minor additions, alterations, renovations and repairs toexisting plumbing systems shall be permitted in the samemanner and arrangement as in the existing system, providedthat such repairs or replacement are not hazardous and areapproved.[EB] 102.5 Change in occupancy. It shall be unlawful tomake any change in the occupancy of any structure that willsubject the structure to any special provision of this codewithout approval of the code official. The code official shallcertify that such structure meets the intent of the provisions oflaw governing building construction for the proposed newoccupancy and that such change of occupancy does not resultin any hazard to the public health, safety or welfare.[EB] 102.6 Historic buildings. The provisions of this coderelating to the construction, alteration, repair, enlargement,restoration, relocation or moving of buildings or structuresshall not be mandatory for existing buildings or structuresidentified and classified by the state or local jurisdiction ashistoric buildings when such buildings or structures arejudged by the code official to be safe and in the public interestof health, safety and welfare regarding any proposed construction, alteration, repair, enlargement, restoration, relocation or moving of buildings.102.7 Moved buildings. Except as determined by Section102.2, plumbing systems that are a part of buildings or structures moved into or within the jurisdiction shall comply withthe provisions of this code for new installations.102.8 Referenced codes and standards. The codes and standards referenced in this code shall be those that are listed inChapter 12 and such codes and standards shall be consideredas part of the requirements of this code to the prescribedextent of each such reference. Where differences occurbetween provisions of this code and the referenced standards,the provisions of this code shall be the minimum requirements.102.9 Requirements not covered by code. Any requirements necessary for the strength, stability or proper operationof an existing or proposed plumbing system, or for the publicsafety, health and general welfare, not specifically covered bythis code shall be determined by the State AdministrativeAuthority.SECTION 103DEPARTMENT OF HEALTH, ARKANSAS STATEPLUMBING AND NATURAL GAS SECTION103.1 Liability. The code official, officer (plumbing inspector)or employee charged with the enforcement of this code, whileacting for the jurisdiction, shall not thereby be rendered liable1
ADMINISTRATIONpersonally, and is hereby relieved from all personal liability forany damage accruing to persons or property as a result of anyact required or permitted in the discharge of official duties. Anysuit instituted against any code official, officer (plumbinginspector) or employee because of an act performed by thatofficer or employee in the lawful discharge of duties and underthe provisions of this code shall be defended by the legal representative of the jurisdiction until the final termination of theproceedings. The code official or any subordinate shall not beliable for costs in any action, suit or proceeding that is institutedin pursuance of the provisions of this code, and any officer ofthe department of plumbing inspection, acting in good faithand without malice, shall be free from liability for acts performed under any of its provisions or by reason of any act oromission in the performance of official duties in connectiontherewith.103.2 Variances. The Arkansas Committee of PlumbingExaminers when so appealed to and after a hearing, may varythe application of any provision of this code to any particularcase when, in its opinion, the enforcement thereof would domanifest injustice and would be contrary to the intent and purpose of this code or the public interest, and also finds all of thefollowing:1. That special conditions and circumstance exist which arepeculiar to the building, structure or service systeminvolved and which are not applicable to others.2. That the special conditions and circumstances do notresult from action or inaction of the applicant.3. That the variance requested will not confer on the applicant any special privilege that is denied by this code toother buildings, structures or service systems.4. That the variance granted is the minimum variance thatwill make possible the reasonable use of the building,structure or service system.5. That the granting of the variance will be in harmony withthe general intent and purpose of this code and will not bedetrimental to the public health, safety and general welfare.SECTION 104DUTIES AND POWERS OF THE CODE OFFICIAL104.1 Inspections. The code official certified by the department shall make all required inspections, or shall accept reportsof inspection by approved agencies or individuals. All reportsof such inspections shall be in writing and be certified by aresponsible officer of such approved agency or by the responsible individual. The code official is authorized to engage suchexpert opinion as deemed necessary to report on unusual technical issues that arise, subject to the approval of the appointingauthority. All new plumbing work, and such portions of existing systems as may be affected by new work or any changes,shall be subject to inspection to ensure compliance with allrequirements of this code.104.2 State inspection when required. When any commercial, industrial, institutional or public building (includes housing projects, shopping centers, hotels, motels or any other2building
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