美国建筑给排水规范 2006 National Standard Plumbing Code

2006NATIONALSTANDARDPLUMBINGCODEPublishedByPLUMBING-HEATING-COOLINGCONTRACTORS—NATIONALASSOCIATIONAllinquiriesorquestionsrelatingtointerpretationshouldbeforwardedtoCodeSecretary180S.WashingtonSt.,P.O.Box6808FallsChurch,VA22046-11481-800-813-7061©2006Plumbing-Heating-CoolingContractors–NationalAssociationToorderadditionalbookscall1-800-533-7694(ifcallingfromNewJerseycall1-800-652-7422)SecondPrinting–July2006FOREWORDSinceitsfoundingastheNationalAssociationofMasterPlumbersin1883,theNationalAssociationofPlumbing-Heating-CoolingContractorshasmaintainedaseriousinterestinplumbingstandards,codesandgoodplumbingdesignpractices.TheAssociationpublishedtheNAMP“StandardPlumbingCode”in1933andfurnishedrevisededitionsuntil1942.NAPHCCparticipatedinthedevelopmentofspecialstandardsforwar-timeplumbingandlaterwasrepresentedontheNationalPlumbingCodeCoordinatingCommittee,whoseworkultimatelyresultedintheadoptionofA40.8asastandardormodelplumbingcodein1955.NAPHCCservedasasponsorintheearly1960’softheprojectwhichattemptedtoupdatethe1955document.ThisprojectwasoperatedthroughtheproceduresoftheAmericanNationalStandardsInstitute.However,theA40.8revisionprojectwasnotcompletedbecauseconsensuscouldnotbeachieved.Inordertoprovidelocalandstategovernments,codeadministrativebodiesandindustrywithamodern,updatedcode,NAPHCCpublishedthe“NationalStandardPlumbingCode,”in1971,followingtheformatandsequenceoftheA40.8toprovideformaximumconvenienceofusers.WiththeJune1973revision,theAmericanSocietyofPlumbingEngineersjoinedthiseffortbyco-sponsoringtheNationalStandardPlumbingCode.ASPEmaintaineditsco-sponsorshipstatusuntilSeptember,1980.UponASPE’swithdrawalofco-sponsorship,theCodeCommitteecompositionwaschangedtoincludenotonlymembersofthecontractingandengineeringcommunitiesbutalsomembersoftheinspectioncommunity.Contractors,engineersandinspectorsnowcomprisetheNationalStandardPlumbingCodeCommittee.iiiNATIONALSTANDARDPLUMBINGCODETitle:NationalStandardPlumbingCodeScope:Thedevelopmentofarecommendedcodeofplumbingpractice,design,andinstallation,includingtheestablishmentofperformancecriteriapredicatedontheneedforprotectionofhealthandsafetythroughproperdesign,installation,andmaintenanceofplumbingsystems.Thisscopeexcludesthedevelopmentofspecificstandardsrelatedtothecomposition,dimensions,and/ormechanicalandphysicalpropertiesofmaterials,fixtures,devices,andequipmentusedorinstalledinplumbingsystems.Purpose:Toprovidepracticesandperformancecriteriafortheprotectionofhealthandsafetythroughproperdesignofplumbingsystems.Exceptions:Incaseofpracticaldifficulty,unnecessaryhardshipornewdevelopments,exceptionstotheliteralrequirementsmaybegrantedbytheauthorityhavingjurisdictiontopermittheuseofotherdevicesormethods,butonlywhenitisclearlyevidentthatequivalentprotectionistherebysecured.iiiivvINTRODUCTORYNOTEThematerialpresentedinthisCodedoesnothavelegalstandingunlessitisadoptedbyreference,orbyinclusion,inanactofstate,county,ormunicipalgovernment.Therefore,administrationoftheprovisionsofthisCodemustbeprecededbysuitablelegislationatthelevelofgovernmentwhereitisdesiredtousethisCode.InsomeplacesinthisCode,referenceismadeto“AuthorityHavingJurisdiction.”TheidentityofanAuthorityHavingJurisdictionwillbeestablishedbytheactwhichgiveslegalstandingtotheCodeprovisions.Meetingsforpurposesofreviewandrevisionarescheduledeachyearwithproperpublicnotices.SuggestionsandrequestsforrevisionscanbemadebyanyinterestedpartyandshouldbesubmittedonthespecialformsprovidedbytheCommittee.PersonalappearancebeforetheCommitteeforahearingonanyCodemattercanbehadbyinterestedpartiesafterarequestinwriting.Inthecourseofrevision,certainoutdatedsectionshavebeendeleted.Inordertomaintainconsistencyandperpetuityofthenumberingsystem,thosedeletedsectionsandnumbershavebeenremovedfromthisprintedtext,orplacedinreserve.AllchangesfromthepreviouseditionofthisCodearemarkedbyaverticallineinthemargin.2006NationalStandardPlumbingCodeCommitteeviJ.RichardWagner,PE,ChairmanThePoole&KentCorporation4530HollinsFerryRdBaltimore,MD212-27-4670Phone:[phone]Fax:(410)[e-mail]-B-LEngineers,LLC8005HarfordRdBaltimore,MD21234-5701Phone:[phone]Fax:(410)[e-mail]berlinPlbg.&HtgCompanyP.O.Box3901274Route130SouthWindsor,NJ08561Phone:[phone]Fax:[phone]MichaelJ.KastnerKastnerPlumbing&Heating12630FriendshipRoadWestFriendship,MD21794Phone:[phone]Fax:(410)[e-mail]anchester,Dept.ofBuildingsOneCityPlazaManchester,NH03101Phone:[phone]Fax:(603)[e-mail]&Heating1550SylvanAveHamilton,NJ08610-4461Phone:[phone]Fax:(609)[e-mail]fCommunityAffairsCodesAssistanceUnit101S.BroadStreet,POBox802Trenton,NJ08625-0802Phone:[phone]Fax:(609)[e-mail],C.P.D.KSIProfessionalEngineersP.O.Box628Farmingdale,NJ07727Phone:[phone]Fax:[phone]E-mail:[e-mail]