1、ASME A112.6.4-2003ROOF, DECK, AND BALCONYDRAINSAN AMERICAN NATIONAL STANDARDIntentionally left blank AN AMERICAN NATIONAL STANDARDROOF, DECK,AND BALCONYDRAINSASME A112.6.4-2003Date of Issuance: November 21, 2003The next edition of this Standard is scheduled for publication in 2008. There will be no
2、addenda orwritten interpretations of the requirements of this Standard issued to this edition.ASME is the registered trademark of The American Society of Mechanical Engineers.This code or standard was developed under procedures accredited as meeting the criteria for American NationalStandards. The S
3、tandards Committee that approved the code or standard was balanced to assure that individuals fromcompetent and concerned interests have had an opportunity to participate. The proposed code or standard was madeavailableforpublicreviewandcommentthatprovidesanopportunityforadditionalpublicinputfromind
4、ustry,academia,regulatory agencies, and the public-at-large.ASME does not “approve,” “rate,” or “endorse” any item, construction, proprietary device, or activity.ASME does not take any position with respect to the validity of any patent rights asserted in connection with anyitems mentioned in this d
5、ocument, and does not undertake to insure anyone utilizing a standard against liability forinfringement of any applicable letters patent, nor assumes any such liability. Users of a code or standard are expresslyadvised that determination of the validity of any such patent rights, and the risk of inf
6、ringement of such rights, isentirely their own responsibility.Participation by federal agency representative(s) or person(s) affiliated with industry is not to be interpreted asgovernment or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations of t
7、his document issued in accordance with the establishedASME procedures and policies, which precludes the issuance of interpretations by individuals.No part of this document may be reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publish
8、er.The American Society of Mechanical EngineersThree Park Avenue, New York, NY 10016-5990Copyright 2003 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.CONTENTSForeword ivCommitteeRoster . vCorrespondenceWiththeA112Committee . vi1 General 12 Outlet Types and Outlet
9、Connections 23 Dimensional Criteria 44 Top Loading: Classification 55 Materials and Finishes 66 Accessories 77 Testing 88 Markings 8Figures1 GeneralPurposeRoofDrain . 32 GutterorCorniceRoofDrain 33 ParapetRoofDrain 34 RoofDrainWithOverflowandFlashingFlange 45 PromenadeorDeckRoofDrain 46 BottomOutlet
10、 . 57 SideOutlet 58 45DegSideOutlet. 59 AccessoriesforDrains . 8Tables1 MinimumDimensionsforThreadedOutletConnections 52 MinimumDimensionsforInsideCaulk(Gasket)OutletConnections 53 MinimumDimensionsforHubbed(Push-On)OutletConnections . 64 GeneralPurposeRoofDrain . 65 GutterorCorniceRoofDrain 66 Para
11、petRoofDrain 67 PromenadeorDeckRoofDrain 6iiiFOREWORDTheAmericanNationalStandardsCommitteeA112wasestablishedonJuly27,1955tostandard-izeplumbingmaterialsandequipment.ItsfirstorganizationalmeetingwasheldonJuly22,1958.Panel No. 21 was created on May 1, 1964, to establish standards for roof drains, floo
12、r drains,backwatervalves,andotherdrainagespecialties.Itsscopewastherecommendationofsuitableexistingstandardsincooperationwithinterestedsponsors,orthedevelopmentofadequatenewstandardsasneededforroofdrains,floordrains,andotherdrainsasusedorinstalledinplumbingsystems.Thecommitteehassincebeenreorganized
13、asanASMEStandardsCommittee.The ASME A112 Committee was restructured during 1998 in accordance with the ASMERedesignProcessandPanel21WorkingGroup1becameProjectTeam6.4.Theprojectteammettwice to update this Standard and incorporated criteria from the International Association ofPlumbingandMechanicalOff
14、icialsProductStandardsPS41andPS47.ThisStandardwasprecededbyANSIA112.21.2M-1983,whichwaswithdrawnin1995.Suggestions for the improvement of this Standard are welcome. They should be sent to theAmericanSocietyofMechanicalEngineers,ThreeParkAvenue,NewYork,NY10016-0509.ThisStandardwasapprovedasanAmerican
15、NationalStandardonAugust14,2003.ivASME A112 STANDARDS COMMITTEEStandardization of PlumbingMaterials and Equipment(The following is the roster of the Committee at the time of approval of this Standard.)OFFICERSP. J. Higgins, ChairS. A. Remedios, Vice ChairC. J. Gomez, SecretaryCOMMITTEE PERSONNELR. H
16、. Ackroyd, ConsultantJ. A. Ballanco, JB Engineering and Code ConsultingS. L. Cavanaugh, United AssociationA. Cohen, A. Cohen and AssociatesN. Covino, Alternate, American Standard, Inc.P. V. DeMarco, American Standard, Inc.G. S. Duren, Code Compliance, Inc.R. Emmerson, Chicago Faucets Co.F. C. Evans,
17、 Zin-Plas Corp.L. S. Galowin, National Institute of Standards and TechnologyC. J. Gomez, The American Society of Mechanical EngineersR. I. Greenwald, Sunroc Corp.G. Gress, BOCA InternationalJ. P. Gronewold, NSF InternationalP. J. Higgins, PJ Higgins and Associates, Inc.A112 PROJECT TEAM 6.4 ROOF DRA
18、INSS. J. McDanal, Project Team Leader, Jay R. Smith Manufacturing Co.R. H. Ackroyd, Deputy Project Team Leader, ConsultantA. R. Becker, Zurn Industries, Inc.G. J. Flegel, Flegel Consulting ServicesR. L. George, SmithGroup, Inc., Architects, EngineersC. R. Graham, Martech EnterprisesvD. E. Holloway,
19、SGS US Testing Co.M. Klimboff, ConsultantM. T. Kobel, IAPMOL. M. Kriegbaum, Alternate, Underwriters Laboratories, Inc.J. W. Lauer, Sloan Valve Co.R. M. Martin, California Energy CommissionP. Meikle, Underwriters Laboratories, Inc.L. E. Mercer, Moen, Inc.S. Rawalpindiwala, Kohler Co.S. A. Remedios, D
20、elta Faucet Co.J. A. Sargent, Alternate, Kohler Co.G. L. Simmons, Charlotte Pipe and FoundryW. M. Smith, Jay R. Smith Manufacturing Co.D. W. Viola, Plumbing Manufacturers InstituteR. E. White, Richard E. White and AssociatesW. C. Whitehead, Plumbing and Drainage InstituteP. J. Higgins, PJ Higgins an
21、d Associates, Inc.M. T. Kobel, IAPMOP. Szczotka, LSP Products Group Co.D. W. Viola, Plumbing Manufacturers InstituteR. E. White, Richard E. White and AssociatesW. C. Whitehead, Plumbing and Drainage InstituteCORRESPONDENCE WITH THE A112 COMMITTEEGeneral. ASMEStandardsaredevelopedandmaintainedwiththe
22、intenttorepresenttheconsensusofconcernedinterests.Assuch,usersofthisStandardmayinteractwiththeCommittee by requesting interpretations, proposing revisions, and attending Committeemeetings.Correspondenceshouldbeaddressedto:Secretary,A112StandardsCommitteeTheAmericanSocietyofMechanicalEngineersThreePa
23、rkAvenueNewYork,NY10016-5990Proposing Revisions. RevisionsaremadeperiodicallytotheStandardtoincorporatechangesthatappearnecessaryordesirable,asdemonstratedbytheexperiencegainedfromtheapplicationoftheStandard.Approvedrevisionswillbepublishedperiodically.TheCommitteewelcomesproposalsforrevisionstothis
24、Standard.Suchproposalsshouldbeasspecificaspossible,citingtheedition,theparagraphnumber(s),theproposedwording,andadetaileddescriptionofthereasonsfortheproposal,includinganypertinentdocumen-tation.Whenappropriate,proposalsshouldbesubmittedusingtheA112ProjectInitiationRequestForm.Interpretations. Upon
25、request, the A112 Committee will render an interpretation ofany requirement of the Standard. Interpretations can only be rendered in response to awrittenrequestsenttotheSecretaryoftheA112StandardsCommittee.The request for interpretation should be clear and unambiguous. It is further recom-mendedthat
26、theinquirersubmithis/herrequestinthefollowingformat:Subject: Citetheapplicableparagraphnumber(s)andthetopicoftheinquiry.Edition: CitetheapplicableeditionoftheStandardforwhichtheinterpretationisbeingrequested.Question: Phrase the question as a request for an interpretation of a specificrequirementsui
27、tableforgeneralunderstandinganduse,notasarequestforanapprovalofaproprietarydesignorsituation.Theinquirermayalso include any plans or drawings that are necessary to explain thequestion;however,theyshouldnotcontainproprietarynamesorinfor-mation.Requests that are not in this format will berewritten in
28、this format by the Committeepriortobeinganswered,whichmayinadvertentlychangetheintentoftheoriginalrequest.ASMEproceduresprovideforreconsiderationofanyinterpretationwhenorifadditionalinformationthatmightaffectaninterpretationisavailable.Further,personsaggrievedbyaninterpretationmayappealtothecognizan
29、tASMECommitteeorSubcommittee.ASMEdoes not “approve,”“certify,”“rate,” or “endorse” any item, construction, proprietarydevice,oractivity.Attending Committee Meetings. TheA112StandardsCommitteeschedulesmeetingsas needed, which are open to the public. Persons wishing to attend any meeting shouldcontact
30、 the Secretary of the A112 Standards Committee. The A112 home page containsinformationonfuturemeetingdatesandlocations.viASME A112.6.4-2003ROOF, DECK, AND BALCONY DRAINS1 GENERAL1.1 ScopeThis Standard establishes minimum design require-mentsforroofdrains,includinggeneralpurpose,gutterandcornice,para
31、petandpromenade,balcony,ordecktypes, which convey rainwater from the roof area ofbuilding structures. It includes definitions, nomencla-ture, outlet types and connections, dome or grate-freearea,toploadingclassifications,materialsandfinishes,andaccessories.1.2 Units of MeasurementValues are stated i
32、n U.S. Customary units and theInternationalSystemofUnits(SI).TheU.S.Customaryunitsshallbeconsideredasthestandard.1.3 IllustrationsThe illustrations (figures) included in this Standardare intendedonly todescribe andportray typicalroofdrain types and are not intended to restrict design ortobeusedforsp
33、ecificationpurposes.1.4 Reference StandardsThefollowingdocumentsformapartofthisStandardtotheextentspecifiedherein.Thelatestissueshallapply.ASTMA48,GreyIronCastingsASTMA74,CastIronSoilPipeandFittingsASTM A 307, Carbon Steel Externally Threaded Fas-tenersASTM A 525, Specification for General Requireme
34、ntsforSteelSheet,Zinc-Coated(Galvanized)bytheHot-DipProcessASTMA527,SpecificationforSteelSheet,Zinc-Coated(Galvanized) by the Hot-Dip Process, Lock-FormingQualityASTMA536,DuctileIronCastingsASTMA563,CarbonandAlloySteelThreadedNutsASTMA888,HublessCastIronSanitaryDrainageSystemsASTMB16,FreeCuttingBras
35、sRod,BarandShapesforUseinScrewMachinesASTMB152,SpecificationforCopperSheet,Strip,PlateandRolledBarASTMB370,SpecificationforCopperSheetandStripforBuildingConstructionASTM C 564, Rubber Gaskets for Cast Iron Soil PipeandFittings1ASTMC584,CopperAlloySandCastingsforGeneralApplicationsASTMC1440,Thermopla
36、sticElastomeric(TPE)GasketMaterialsforDrain,Waste,andVent(DWV),Sewer,SanitaryandStormPlumbingSystemsASTMD1248,PolyethylenePlasticsMoldingandExtru-sionMaterialsASTMD1784,RigidPoly(VinylChloride)(PVC)Com-pounds and Chlorinated Poly (Vinyl Chloride)(CPVC)CompoundsASTM D 2661, Acrylonitrile-Butadiene-St
37、yrene (ABS)Schedule40Plastic Drain,WasteandVent PipeandFittingsASTMD2665,Poly(VinylChloride)(PVC)PlasticDrain,WasteandVentPipeandFittingsASTMD3965,RigidAcrylonitrile-Butadiene-Styrene(ABS)CompoundsforPipeandFittingsASTMD4066,NylonInjectionandExtrusionMaterialsASTMD4101,PropylenePlasticInjectionandEx
38、trusionMaterialsASTMD4329,PracticeforOperatingLight-andWater-Exposure(FluorescentUV-CondensationType)forExposureofPlasticASTMF628,Acrylonitrile-Butadiene-Styrene(ABS)Schedule40PlasticDrain,WasteandVentPipewithaCellularCoreASTM G 23, Practice for Operating Light- and Water-ExposureApparatus(Carbon-Ar
39、cType)forExposureofNon-MetallicMaterialsPublisher: American Society for Testing and Materials(ASTM),100BarrHarborDrive,WestConshohocken,PA19428-2959ASMEB1.20.1,PipeThreads,GeneralPurpose(Inch)Publisher: The American Society of Mechanical Engi-neers(ASMEInternational),ThreeParkAvenue,NewYork,NY10016-
40、5990;OrderDepartment:22LawDrive,Box2300,Fairfield,NJ07007-2300CSAB602,MechanicalCouplingsforDrain,Waste,andVentPipeandSewerPipePublisher:TheCanadianStandardsAssociation(CSA),5060SpectrumWay,Mississauga,ONL4W5N6,Canada1.5 Definitions1.5.1 Generalblowhole:aholeincastingduetoairorgasinthemetalormold.AS
41、ME A112.6.4-2003 ROOF, DECK, AND BALCONY DRAINSbuildingstormdrain:abuildingdrainusedforconveyingrainwater,surfacewater,groundwater,orothersimilardischargetoastormseweroracombinedsewer,extending to a point not less than 3 to 5 ft outside ofthebuildingwall.building storm sewer: that part of the horizo
42、ntal pipingofabuildingstormdrainagesystemthatextendsfromtheendofthebuildingstormdraintothepublicstormsewerorotherappropriatedisposalsystem.Thebuild-ingstormseweristhepipethatbeginsatleast3to5ftoutsidetheinnerfaceofthebuildingwallandextendstothepublicstormsewerorotherappropriatedisposalsystem.cold sh
43、ut:casting defectsformed whentwo streamsofmetalbecomesocoldthattheydonotfuseuponmeet-ing,creatinganincompletecasting.fin:projectiononcastingsduetoimperfectjoints.overflowdrain:asecondaryoremergencyrainwaterreceptordesignedtoreceiveandconveyrainwaterfromroofareas.Theoverflowdrainisinstalledintheroofa
44、taheighttopreventexcessivepondingoftherainwaterontheroof.Overflowdrainsmaybescuppersinstalledinaparapetwallorroofdrainsdesignedfortheoverflow(emergency)drainagefunction.overflow conductor: a secondary or emergencyrainwaterpipingsystemconnectedtotheoverflowdrain(s) and discharged to an approved point
45、 of dis-posal.roofdrain:amanufacturedreceptordesignedtoreceiveand convey rainwater from roof areas to the drainagesystem. Roof drains are available in various designs,shapes,sumpdepths,andoutletlocations.Theareatobedrained,locationofthedraininthebuildingstruc-ture,localrainfallintensity,andthedraina
46、gesystemarefactorsindeterminingthetypeofdraintobeused.scupper:adraininstalledinthesideofawall,vessel,orguttertoconveyrainwaterawayfromtheroof,deck,orvessel.1.5.2 Types1.5.2.1 General Purpose Roof Drain.Aroofdrainisa plumbing fitting that is designed for installation inanyroofareaexcludingtheparapeto
47、ftheroofstructure.Itiscomprisedofadrainbody(sump),domestrainer,and gravel guard/membrane clamp. Optional compo-nentsshallincludeunder-deckclamp-standard,under-deckclamp-plywoodsubstrate,expansionjoint,andsumpbasket.(SeeFig.1.)1.5.2.1.1 Roof Drain With Overflow and FlashingFlange.Thecombinationroofdr
48、ain,overflowsump,andflashingflangewithadomestrainerandgravelguardinoneintegralwatertightunitisdesignedforflatroofconstructionandwhereindependentoverflowdrainage2is required. An optional feature includes a side outletforspecialuseinshallowjoistareas.1.5.2.2 Gutter or Cornice Roof Drain. Aroof drainfo
49、rinstallationingutters,cornices,balconies,andotheroverhangingconstructiontopreventoverflowtoareasbelow.(SeeFig.2.)1.5.2.3 ParapetRoofDrain.Aroofdrainforinstalla-tion in parapets for conveying rainwater from a roofareathroughtheparapet.(SeeFig.3.)1.5.2.3.1 RoofParapetDrainWithFlashingFlange.Aroofdrainwithflashingflangeforuseinmansardorparapetroofs.1.5.2.3.2 Roof Drain With Overflow. Aroofdrainwithintegralflashingflangeandoverflowcombinationforusewithmansardorparapetroofswhereindepen-dentoverflowdrainageisrequired.(SeeFig.4.)1.5.2.4 PromenadeorDeckRoofDrain.Adeckdrainisamanufacturedreceptor
