gb502422002建筑给水排水及采暖工程施工质量验收规范en 88页

UDCNationalStandardofthePeople'sRepublicofChinaPGB50242-2002建筑给水排水及采暖工程施工质量验收规范CodeforAcceptanceofConstructionQualityofWaterSupplyDrainageandHeatingWorksIssuedonMarch152002ExecutedonApril12002JointlyPromulgatedbytheMinistryofConstructionandtheStateGeneralAdministrationforQualitySupervisionandInspectionandQuarantineofthePeople'sRepublicofChina82\nNationalStandardofthePeople'sRepublicofChina建筑给水排水及采暖工程施工质量验收规范CodeforAcceptanceofConstructionQualityofWaterSupplyDrainageandHeatingWorksGB50242-2002Compiledby:ConstructionDepartmentofLiaoningProvinceApprovedby:MinistryofConstructionoftheP.R.C.Executedon:April12002ChinaBuildingMaterialsIndustryPrintingHouse2002Beijing82\nNoticeonIssuingtheNationalStandardoftheCodeforAcceptanceofConstructionQualityofWaterSupplyDrainageandHeatingWorksJ.B.[2002]NO.62DocumentPursuanttotheNoticeonthePrintingandDistributionofModificationPlansofNationalStandardsforEngineeringConstructionin1995~1996(J.B.[1997]NO.4),thisCodeforAcceptanceofConstructionQualityofWaterSupplyDrainageandHeatingWorksisrectifiedjointlybytheConstructionDepartmentofLiaoningProvinceandotherrelevantdepartments.OurministryhasarrangedfortheexaminationbyrelateddepartmentsoftheCodeandherebyapproveditasanationalstandardwiththeserialnumberofGB50242-2002andtobeeffectiveonApril12002.The3.3.2,3.3.16,4.1.2,4.2.3,4.3.1,5.2.1,8.2.1,8.3.1,8.5.1,8.5.2,8.6.1,8.6.3,9.2.7,10.2.1,11.3.3,13.2.6,13.4.1,13.4.4,13.5.3and13.6.1articleshereofarecompulsoryandmustbestrictlyandexactlyperformed.UpontheexecutionofthisCode,theoriginalCodeforQualityAcceptanceofHeatingandSanitaryEngineeringGBJ242-82andanyrelatedpartsinCodeforQualityInspectionandAcceptanceofBuildingHeatingandSanitaryandGasEngineeringGBJ302-88withrespectof"heatingandsanitaryengineering"shallbeabolishedandterminatedimmediately.AsregardsthisCode,theMinistryofConstructionoftheP.R.Cisresponsibleforitsadministrationandinterpretationwithrespecttotheaforementionedcompulsoryarticles,theRuralandUrbanConstructionCommissionofShenyangundertakestheinterpretationofandinconnectionwithdetailedtechnicalcontents,andthestandardquotainstituteundertheMinistryofConstructionarrangesforthepublishinganddistributionfromtimetotimebytheChinaBuildingMaterialsIndustryPrintingHouse.MinistryofConstructionoftheP.R.C.March15200282\nTableofContents1GeneralRules12DefinitionofTerms23BasicRegulations53.1QualityManagement53.2ManagementofEquipmentandMaterial53.3QualityControlofConstructionProcess64InstallationofIndoorWaterSupplySystem104.1BasicRegulations104.2InstallationofWaterSupplyPipesandFittings114.3InstallationofIndoorFirePlugSystem134.4InstallationofWaterSupplyEquipment135TheInstallationofIndoorDrainageSystem165.1BasicRegulations165.2TheInstallationofDrainageSystemandItsAccessories165.3TheInstallationofRainDrainageSystemandItsAccessories206TheInstallationofIndoorHotWaterSupplySystem226.1BasicRegulations226.2TheInstallationofPlumbingandItsAccessories226.3TheInstallationofAccessoryParts237TheInstallationoftheToiletEquipments267.1TheBasicRegulations267.2TheInstallationoftheToiletEquipments317.3TheInstallationoftheWater-SupplyingFittingsoftheToiletEquipments327.4TheInstallationoftheDrainpipes338.TheInstallationoftheInsideHeatingSystem378.1TheBasicRegulations378.2TheInstallationofthePipesandTheirFittings378.3InstallationoftheAssistantEquipmentsandtheRadiators408.4TheInstallationoftheRadiatingBoard428.5TheInstallationoftheLow-TemperatureHot-WaterRadiatingHeatingSystemundertheGround428.6TheWaterPressureExperimentsandtheDebuggingoftheSystem4382\n9.InstallingOutdoorsWater-SupplyingPipes459.1TheBasicRegulations459.2Installingwater-supplyingpipes459.3TheInstallationoftheJointingMachineoftheFireWaterPumpsandtheOutdoorsFireHydrant499.4TheChannelsofthePipesandtheInterSpaceoftheWells5010TheInstallationoftheOutdoorsNetoftheDrainpipes5210.1TheBasicRegulations5210.2TheInstallationoftheDrainpipes5210.3TheChannelsoftheDrainpipesandtheWells5411TheInstallationoftheOutdoorsNetofHeatingPipes5511.1TheBasicRegulations5511.2TheInstallationofthePipesandTheirFittings5511.3TheWaterPressureExperimentandDebuggingoftheSystem5812TheInstallationoftheWaterSystemintheBuildingsandtheSwimmingPoolSystem5912.1TheBasicRegulations5912.2TheInstallationofthePipesofthefreshwaterSystemsintheBuildingandTheirSupportingEquipments5912.3TheInstallationoftheSwimmingPoolWaterSystems6013TheInstallationoftheHeatingBoilerandItsSupportingEquipments6113.1TheBasicRegulations6113.2TheInstallationoftheBoilers6113.3TheInstallationoftheSupportingEquipmentsandthePipes6813.4TheInstallationofSecurityFittings7113.5Baker,BoilerandtheExperimentalOperation7313.6TheInstallationoftheWarm-ExchangingStation7414TheExaminationoftheQualityoftheSections(orSubsections)75AppendixA77AppendixB78AppendixC80AppendixD8182\nAppendixE8282\n1GeneralRules1.0.1Forthepurposeofenhancingthemanagementofengineeringqualityandunifyingacceptancerulesonconstructionqualityofbuilding’swatersupplyanddrainageandheatingworkssoastoensureengineeringquality,thisCodeisherebymadeasfollows.1.0.2ThisCodeshallbeapplicabletothequalityacceptanceofwatersupplyanddrainageandheatingworksofbuildings.1.0.3Qualityacceptancerequirementsadoptedinallandanyengineeringtechnicaldocumentsandcontractingdocumentsforbuilding’swatersupplyanddrainageandheatingworksshallatleastattainthestipulationssetforthhereof.1.0.4ThisCodeshallbeusedincooperationwiththeUnifiedStandardforQualityAcceptanceofBuildingEngineeringGB50300thatiscurrentlyinforceandeffective.1.0.5Qualityacceptanceofbuilding’swatersupplyanddrainageandheatingworksshall,inadditiontothisCode,complywithotherrelatednationalcodesandstandardsthatarecurrentlyinforceandeffective.82\n2DefinitionofTerms2.0.1WatersupplysystemAnetworktransmittingwatertotheconsumptionsitesthroughpipelinesandauxiliaryequipmentandfacilities,basedonthedistributingofbuildingsandthedemandofuser’sproduction,livingandfire-fightingdemands.2.0.2DrainagesystemAnetworktimelydrainingrainandwasteandpollutedwaterproducedindailylifeandproduction,throughpipelinesandauxiliaryequipmentandfacilities.2.0.3HotwatersupplysystemAnetworkconsistingofpipelinesandauxiliaryequipmentandfacilitiesforthepurposeoftransmittinghotwater,soastomeetpeople’sspecificrequirementsforwatertemperatureindailylifeandproduction.2.0.4SanitaryfixturesTheequipmentusedtomeetavarietyofsanitaryneedsinpeople’sdailylifeandtocollectanddischargesewageandindustrialwastewater.2.0.5WatersupplyfittingsAgeneraltermofavarietyofpipefittings,valvesandwaterfaucetsthatareusedinthewater(includinghotwater)supplysystemtoadjustanddistributethevolumeandpressureofwaterandcutoffandchangetheflowofwater.2.0.6IntermediatewatersystemofbuildingAtermreferstoallthewatersupplysystemsthatutilizethecoolingwateranddaily-lifedrainfrombathingandwashingasthesource,which,aftergoingthroughphysicalandchemicaltreatment,willbeusedintoiletsandforgardeningandplanting,washingcars,roadwatering,coolingofair-conditionersandsightseeingwaterfacilities.2.0.7AuxiliariesAlloftheequipmentinthewatersupplyanddrainageandheatingsystemsofbuildingsthatareestablishedforthepurposeofsatisfyingvarioususefunctionsofusersandimprovingtheoperatingquality.2.0.8TestpressureReferstothevalueofpressurethatthepipeline,vesselorequipmentisrequiredtoreachinacompressionstrengthorgas-tighttest.82\n2.0.9RatedworkingpressureReferstothemaximumpermissibleoperatingpressureofaboilerorpressurevesselasdesignatedbythemanufacturer.2.0.10PipefittingsAgeneraltermdescribingavarietyofpartsandaccessoriesusedfortheconnectionamongpipesorpipesandequipment.2.0.11FixedtrestleReferstoakindofpipetrestleusedtopreventthepipeitsupportfrombothradialandaxialdisplacementatthesupportingpoint.2.0.12MovabletrestleReferstoakindofpipetrestlethatallowsthepipeitsupportstomovealongtheaxialdirection.2.0.13IntegrativeboilerAkindofboilerwhichisdeliveredafterthefinalassemblyiscompletedintheplantbasedonthepermissibleconditionsfortransportation.2.0.14BoilerwithoutbearingAkindoffixedboilerwhichutilizeswaterasthemedium,stipulatesawaterlevelfortheboilerbodythatisdirectlycontactingairduringoperation,andalwaysmaintainsitsworkingpressureatthevalueofairpressure.2.0.15SafetyaccessoryAllauxiliarymeters,valvesandcontroldevicesthatarenecessaryforensuringthesafeoperationofboilersandpressurevessels.2.0.16StillequipmentAnyequipmentinasystemthatitselfwillnotmovesduringthesystem’soperation,includingwatertanksandothertanksandcontainers.2.0.17Household-basedheatmeteringThemeteringmodeunderwhichthevolumeofheatprovidedismeasuredbasedoneveryhousehold.2.0.18HeatmeteringdeviceAsetofmetersanddevicesmeasuringthetransfervolumeofheatmedium.2.0.19CompressionjointAkindofjoiningmodeunderwhichspecialjointscomprisingcapnutsandscrewthreadpipefittingsareusedfortheconnectionamongpipes.2.0.20Fire-resistingsleevesReferstoakindofshorttubethatismadeofrefractorymaterialsandflameretardantandcoveredtheoutsidewallofstiff-plasticdrainagepipes,forthepurposeofpreventingthefamefromspreadingalongthepipe.82\n2.0.21FirestopscollarAkindofcollarthatismadeoffireretardantexpansiveagentandusedtocovertheoutsidewallofstiff-plasticdrainagepipes,soastopreventthefirefromspreadingbecauseitsfunctionofblockingthepipesattheoccurrenceoffireaccidents.82\n3BasicRegulations3.1QualityManagement3.1.1Allandeverysiteofwatersupplyanddrainageandheatingworksofbuildingsmusthavenecessarytechnicalstandardsforconstruction,anoptimizedandhealthfulqualitymanagementsystemandthemechanismforqualityinspection,soastoperformanoverallprocessofqualitycontrol.3.1.2Theconstructionofbuilding’swatersupplyanddrainageandheatingworksshallbeexecutedinaccordancewiththeapprovedengineeringdesigndocumentsandtechnicalstandardsforconstruction.Anymodificationorchangeofdesignsshallbesubjecttothechangenoticeissuedbythedesignorganization.3.1.3Priortoethebeginningofconstruction,adesignorconstructionschemeoftheconstructionorganizationshallbepreparedandapproved.3.1.4Theclassificationofpartitionedanddivisionalworksofbuilding’swatersupplyanddrainageandheatingworksisdetailedinScheduleA.3.1.5Thedivisionalworksofbuilding’swatersupplyanddrainageandheatingworksshallbedividedinaccordancewiththesystem,area,constructionsectionorfloor.Acceptanceofdivisionalworksshallbecarriedoutbasedondifferentinspectionlots.3.1.6Anyunitundertakingtheconstructionofwatersupplyanddrainageandheatingworksofbuildingsshallhavecorrespondingqualification,withitsqualityinspectorhavingrelevantprofessionaltechnicalqualification.3.2ManagementofEquipmentandMaterial3.2.1Allkeymaterials,finishedandsemi-finishedproducts,accessoriesandparts,apparatusandequipmentusedinwatersupplyanddrainageandheatingworksofbuildingsmustbedeliveredtogetherwiththeChinesequalitycertificatesofconformity.Anyspecification,modelandperformanceinspectionreportsthereofshallcomplywithrelevantnationalstandardsorthedesignrequirements.Beforedeliveringintotheconstructionsite,theyshallbeinspectedforacceptanceandconfirmedbythesupervisionandmanagementengineer.3.2.2Inspectionandacceptanceshallbemadeforallmaterialsintermsofthevariety,specificationandappearance.Thepackagingshallbeingoodcondition,withoutanyscratchonthesurfaceanddamageandbreakagecausedbyexternalforce.3.2.3Installationandoperationinstructionsshallbeprovidedforkeydevices,apparatusandequipment.Effectivemeasuresshallbetakentopreventpossibledamageandlossesorcorrosioninthecourseoftransportation,keepingandconstruction.82\n3.2.4Priortotheinstallationofvalves,strengthandgas-tighttestsshallbecarriedout.Suchtestsshallcover10%ofeverybatchofvalves(withthesamedesignation,modelandspecification),whichshallatleastbeonevalve.Forthosetripandstopvalvesinstalledonmainandarterialpipes,thestrengthandgas-tighttestsshallbecarriedoutforeverysuchvalves.3.2.5Thestrengthandgas-tighttestsofvalvesshallmeetthefollowingrequirements:thestrengthtestpressureshallbe1.5timesofthenominalvalue;thegas-tighttestpressureshallbe1.1timesofthenominalvalue;thetestpressureshallstayunchangedinthedurationoftest,andnoleakageshallbefoundintheshellfillingandonthevalveclack’ssealingsurface.ThedurationofthevalvepressuretestshallatleastmeetthestipulationsinTable3.2.5.Table3.2.5DurationofvalvetestNominaldiameterDN(mm0Minimumdurationoftest(s)Gas-tighttestStrengthtestMetalsealingNon-metalsealing≤5015151565-200301560250-45060301803.2.6Ifastampingelbowisusedonthepipe,theelbow’soutsidediametershallbeequivalenttothatofthepipe.3.3QualityControlofConstructionProcess3.3.1Betweenthewatersupplyanddrainageandheatingworksofbuildingsandrelatedspecialfields,hand-overqualityinspectionshallbemade,togetherwithrelatedrecords.3.3.2Anyconcealworkcanbeconcealedonlyaftertheacceptanceandapprovalbyrelatedparties,andrecordsthereofshallbemade.3.3.3Anybasementorsub-structurewithitsexteriorwallpassedthroughbypipesmusthavewaterproofmeasures.Asregardthebuildingthathasstrictwaterproofrequirements,flexiblewaterstringsmustbeusedforthepipes.3.3.4Intheeventthatthepipeispassthroughtheexpansion,aseismaticand/orsettlementjoint,anyorallofthefollowingprotectivemeasuresshallbetakenbasedonactualconditions:182\nFlexibleconnectiontakenateachsideofthewall.1Leaveaclearanceofatleast150mmaboveandbelowtheoutsidesurfaceofthepipeorinsulatinglayer.2Madeintoasquarecompensatoratthepassingpointandinstallithorizontally.3.3.5Allheatingequipment,sanitarywareandpipefittingsofthesametypeinthesameroomshallbeinstalledatthesameheight,unlessotherwisespeciallyrequired.3.3.6Whenopenpipesareinstalledinrows,thestraightlinesectionshallbeparallel.Asregardsthecurvesections:whenthepipesareparallelhorizontallyorvertically,theyshallremainthesamespacing;whenthepipesareparallelhorizontallyandatdifferentheights,theradiusofcurvatureofthecurvesectionsshallremainthesame.3.3.7Theinstallationofthepipe’strestle,hangerandbracketshallcomplywiththefollowingstipulationshereunder:1Thepositioniscorrect,andthelayingshallbeflatandsolid.2Thefixedtrestleshalltightlycontactthepipeandfixedsolidly.3Themovabletrestleshallbeflexible,witha3~5mmclearanceremainingbetweenthesupportandslideway,andthelongitudinalamountofmovementshallmeetthedesignrequirements.4Allhangersandsuspensionrodswithoutthermalelongationshallbeinstalledvertically.5Anyhangerandsuspensionrodwiththermalelongationshallbeoffsetinthereversedirection.6Thetrestlesandhangersfixedonthestructuremustnotaffectthestructure’ssafety.3.3.8ThespacingamongthetrestlesandhangersofhorizontallyinstalledsteelpipesshallnotexceedthestipulationsinTable3.3.8.Table3.3.8MaximumspacingbetweentrestlesofsteelpipesNominaldiameter(mm)1520253240507080100125150200250300Max.trestlespacing(m)Insulatedpipe22.52.52.533444.567788.5Non-insulatedpipe2.533.544.55666.5789.511123.3.9Thespacingbetweenthetrestlesforplasticandcladpipesusedintheheating,waterandhotwatersupplysystemsshallcomplywiththerequirementsofTable3.3.9.Non-metalcushioningorsleevesshallbeplacedbetweenthepipeandthetrestlesmadeofmetalmaterial.82\nTable3.3.9MaximumspacingbetweentrestlesofplasticandcladpipesPipediameter(mm)121416182025324050637590110Max.spacing(m)Vertical0.50.60.70.80.91.01.11.31.61.82.02.22.4HorizontalColdwater0.40.40.50.50.60.70.80.91.01.11.21.351.55Hotwater0.20.20.250.30.30.350.40.50.60.70.83.3.10ThespacingbetweentrestlesofverticallyorhorizontallyinstalledcopperpipesshallmeettherequirementsasstipulatedinTable3.3.10.Table3.3.10MaximumspacingbetweentrestlesofcopperpipesNominaldiameter(mm)1520253240506580100125150200Max.trestlespacing(m)Verticalpipe1.82.42.43.03.03.03.53.53.53.54.04.0Horizontalpipe1.21.81.82.42.42.43.03.03.03.03.53.53.3.11Theinstallationofpipeclampsofmetalstandpipesintheheating,waterandhotwatersupplysystemsshallcomplywiththefollowingrequirements:1Atleastoneclampmustbeinstalledforeachfloorthathasaheightof5morless.2Atleasttwoclampsmustbeinstalledforeachfloorthathasaheightofover5m.3Theinstallationheightofclampsshallbe1.5~1.8mabovetheground.Twoormoreclampsshallbeinstalledsymmetricallyandatthesameheightinthesameroom.3.3.12Pipesandpipepiers(abutments)mustnotbelaidonfrozenearthoruntreatedloosesoil.3.3.13Metalorplasticsleevesshallbeequippedwiththepipespassingthroughwallsandfloorslabs.Asforthesleeveinstalledwithinthefloorslab,itssuperfaceshallbe20mmabovethedecorativeplane;asforthesleeveinstalledinthetoiletandkitchenroom,itsuppersurfaceshallbe50mmabovethedecorativeplaneanditsbottomsurfaceshallbeonthesameelevationwiththefloorslab’sunderside;andasforthesleeveinstalledinsidethewall,itsendsshallbeflatwiththewall’sdecorativesurface.Thegapbetweenthesleeveandpipepassingthroughthefloorslabshallbefilledandcompactedwithfireretardant,withtheendfacebeingsmooth.Thejointbetweenpipesmustnotbepositionedwithinthesleeve.3.3.14Asregardsbendingsteelpipes,thebendingradiusshallcomplywiththefollowingrequirements:1Hotbending:notsmallerthan3.5timesofthepipe’soutsidediameter.282\nColdbending:notsmallerthan4timesofthepipe’soutsidediameter.1Weldedelbow:notsmallerthan1.5timesofthepipe’soutsidediameter.2Stampingelbow:notsmallerthanthepipe’soutsidediameter.3.1.15Jointsofpipesshallcomplywiththefollowingrequirements:1Forapipeusingadhesivebondedjoint,thedepthofinsertedpipeendintothebellmouthshallatmeettherequirementsasshowninTable3.3.15.Table3.3.15InsertiondepthofpipeendintobellmouthNominaldiameter(mm)202532405075100125150Inserteddepth(mm)1619222631446169802Thejoiningplaneofweldedpipesshallhaveuniformweldingloops,onwhichneitherweldingnubsnorscraggysurfacesareallowedtoappear.3Asforthepipesjoinedbyrubberrings,itisallowedtolaythemalongacurve,withthemaximumangleofdeflectionnotexceeding2°.4Whenadoptingflangedconnection,thegasketmustnotbeprojectedintothepipe,withitsoutsideedgeclosingtothebolthole.Doublegasketsanddeviationofgasketnotallowed.5Asregardstheboltconnectingflanges,itsdiameterandlengthshallcomplywithstandards.Afterbeingtightened,theprotrudednut’slengthshallnotexceed1/2ofthebolt’sdiameter.6Aftertheinstallationofthreadconnectionpipes,2~3ringsshallberemainedattherootofpipethread,andtheremainingringsshallberemovedandcleanedforanti-corrosiontreatment.7Ifusingcementtotwistthebellsocket,thebatchedjutemustbecleanandcompacted,andcementshallbetwistedintothebellmouthandcompacted,withthedepthofinsertionintothebellmouthnotexceeding2mm.8Asforthepipesusingyoke(housing)connection,thepipeendsshallbeflatandfreefromgaping,andthefurrowshallbeuniform.Afterchuckingthebolts,thepipelineshallbestraightandtheinstallationdirectionofyokes(housing)shallbeinoneline.3.3.16Watertestsmustbemadeforallkindsofpressurepipesystemsandequipment,whilewateringtestsfornon-pressurepipesystemsandequipment.82\n4InstallationofIndoorWaterSupplySystem4.1BasicRegulations4.1.1Thischapterisapplicabletoqualityinspectionandacceptanceofinstallationofindoorwatersupplyandfireplugsystemswithworkingpressureofnotexceeding1.0MPa.4.1.2Watersupplypipesmustadoptthepipefittingsthatarecorrespondingwithpipematerials.Allandanymaterialsinvolvedinthedomesticwatersupplysystemmustattainthesanitarystandardfordrinkingwater.4.1.3Thegalvanizedsteelpipeswiththediameternotexceeding100mmshalltakethemethodofthreadconnection.Anti-corrosiontreatmentshallbemadeforthedamagedsurfaceofthegalvanizingcoatduetohousingofscrewthreadandtheexposedthreadpart.Thegalvanizedsteelpipeswiththediameterexceeding100mmshalltakethemethodofflangeconnection,orshallbejoinedbyspecialpipefittingsincludingyokeandhousing.Secondgalvanizingprocessshallbetakenforthejointbetweenthegalvanizedpipeandflange.4.1.4Anyoftherubberringjoining,adhesivebonding,weldingconnection,joiningbyspecialpipefittingsandflangeconnectionmaybetakenforwatersupplyplasticandcompoundpipes.Joiningbetweenplasticandcompoundpipesandmetalpipefittingsandvalvesshallusespecialpipefittings,andscrewingonthesurfaceofplasticpipesarenotallowed.4.1.5Watersupplycastironpipesshalltaketheformofcementingorrubberringjoining.4.1.6Specialjoiningorweldingmaybetakenfortheconnectionofcopperpipes.Whenthepipediameterissmallerthan22mm,itisadvisedtousebellsocketorhousingwelding,withthebellmouthfacingtheflowingdirectionofmedium;otherwise,itisbettertousemouth-to-mouthjoining.4.1.7Theinitialendsofverticalwatersupplypipesandthebranchpipeswiththreeormorewaterservicepointsshallbeequippedwithdisassembleconnectingpieces.4.1.8Installationofparallelcoldandhotpipesshallcomplywiththefollowingstipulations:1Incaseofparallelinstallationatdifferentheights,thehotpipeshallbeabovethecoldpipe.2Ifinstalledvertically,thehotpipeshallbeontheleftsideofthecoldpipe.82\n4.2InstallationofWaterSupplyPipesandFittingsMainControlItems4.2.1Waterpressuretestsofindoorwatersupplypipesmustcomplywiththedesignrequirements.Ifnotmentionedindesigns,thetestpressureforwatersupplysystems,whatevertheirmanufacturingmaterials,shallbe1.5timesoftheirworkingpressuresbutnotlowerthan0.6MPa.Inspectionmethod:forthemetalandcompoundpipewatersupplypipelinesystemsunderthetestpressure,observe10minutes,andthepressuredeclineshallnotexceed0.02MPa;dropthetestpressuretotheworkingpressure,andnoleakageshallbefound.Asregardsthewatersupplypipesystemmadeofplasticpipes,increasethepressuretothetestvalueandholdthepressureforonehour.Thepressuredecreaseshallnotbebiggerthan0.03MPa,andnoleakageshallbefoundatalljoints.4.2.2Priortothedeliveryofawatersupplysystem,waterthroughtestsshallbemade,togetherwithrecords.Inspectionmethod:observeandopenthevalves,waterfaucetsandotheroutlets.4.2.3Beforeputtingthepipelineofawaterproducingsystemintouse,itmustgothroughpurginganddisinfectingprocess,andinspectedbyrelevantdepartmentthroughsampling,inaccordancewiththeStandardforDomesticWater.Inspectionmethod:inspectthereportedprovidedbyrelevantdepartment.4.2.4Anti-corrosiontreatmentshallbecarriedoutforindoordirectembeddedwatersupplypipes(exceptforplasticandcompoundpipes).Thetextureandstructureoftheanti-corrosionlayershallcomplywithdesignrequirements.Inspectionmethod:observeorcross-sectionexamination.CommonItems4.2.5Thecleardistancebetweentheinlettubeofwatersupplyandthedischargepipeofwaterdrainageshallnotbelessthan1m.Whenindoorwatersupplyanddrainagepipesareparallel,theminimumcleardistancebetweenthemshallnotbesmallerthan0.5m;whencrossing,theverticalcleardistanceshallnotbelessthan0.15m.Watersupplypipesshallbeabovedrainagepipes.Incasethatwatersupplypipesarerequiredtobelaidunderdrainagepipes,sleeveswiththeminimumlengthequalingto3timesofthedrainagepipe’sdiametermustbeusedforwatersupplypipes.Inspectionmethod:useatapemeasure.4.2.6Surfacequalityofweldsofpipesandpipefittingsshallcomplywiththefollowingrequirements:1Outlinedimensionofweldshallbeinlinewithdrawingsandprocessdocuments,withtheweld’sheightnotlowerthanthebasemetal’ssurface.Asmoothtransitionshallexistbetweentheweldandbasemetal.282\nNocrack,faultyfusion,faultypenetration,slaginclusion,arccavityandairholeshallbefoundonthesurfaceofweldsandheat-affectedzone.Inspectionmethod:observe.4.2.7A2‰~5‰inclinationofhorizontalwatersupplypipestothewaterdischargingfacilitiesshallbemaintained.Inspectionmethod:measurewithalevelbarandtapmeasure.4.2.8ThepermissibledifferenceforinstallationofwatersupplypipesandvalvesshallcomplywithTable4.2.8.Table4.2.8PermissibledifferenceandinspectionmethodforinstallationpipesandvalvesNo.ItemsDifference(mm)Inspectionmethod1LongitudinalandhorizontalbendingofhorizontalpipesSteelpipePermeterFulllength>25m1≯25Levelbar,ruler,guywireortapemeasurePlastic&compoundpipePermeterFulllength>25m1.5≯25CastironpipePermeterFulllength>25m2≯252VerticalityofverticalpipesSteelpipePermeterLength>5m3≯8SuspensionwireandtapemeasurePlastic&compoundpipePermeterLength>5m2≯8CastironpipePermeterLength>5m3≯103PipesinrowsandvalvesetsSpacingonthesameplane3Ruler/tapemeasure4.2.9Installationofthepipe’strestleandhangershallbeinorderandsolid,withthespacingmeetingthe3.3.8,3.3.9or3.3.10articleherein.Inspectionmethod:observe,measureandpull.4.2.10Watermetersshallbeinstalledattheplacesthatareconvenientformaintenanceandrepairing,andfreefrominsolation,contaminationandfreezing.Ifinstallingawingwatermeter,astraightpipesectionwiththediameterof8timesofthewatermeter’sinletdiametershallexistbetweenthemeterandvalve.Acleardistanceshallberemainedbetweenthemeter’scaseandthewall.Thecenterelevationofthemeter’sinletshallbeinlinewithdesignrequirements,withapermissibledifferenceof±10mm.Inspectionmethod:observeandmeasure.82\n4.3InstallationofIndoorFirePlugSystemMainControlItems4.3.1Afterthecompletionofanindoorfireplugsystem,thefireplugsatthehalfstory(orwithinthewatertankroom)andtwofireplugsonthefirstfloorshallbeselectedfortrialsprayingtest,inaccordancewiththedesignrequirements.Inspectionmethod:examinebytrialspraying.CommonItems4.3.2Whencompletingtheinstallationofthefireplug’shoseandcolligationofthehose,squirtgunandquickconnect,thehoseshallbehungonthenail,trayortrestlewithinthebox,basedonthebox’sactualstructure.Inspectionmethod:observe.4.3.3Installationofboxfireplugsshallcomplywiththefollowingrequirements:1Theplug’smouthshallinstalledoutwardsandshallnotinstalledatthesideofdoorpivot.2Theplugmouth’scentershallbe1.1mabovetheground,withapermissibledifferenceof±20mm.3Thevalve’scentershallbe140mmfromthebox’ssideand100mmfromtheinnersurfaceofthebox’srear,withapermissibledifferenceof±5mm.4Thefireplugbox’sinstallationverticalityshallbewithinadifferencerangeof3mm.Inspectionmethod:observeandmeasure.4.4InstallationofWaterSupplyEquipmentMainControlItems4.4.1Priortotheplacingofwaterpumps,theconcretestrengthoffoundation,coordinate,elevation,dimensionandpositionofboltholesmustcomplywiththedesignrequirements.Inspectionmethod:measurewithinstrumentandtapemeasurebasedondrawings.4.4.2Theincreaseofthebearing’stemperatureatthetimeofwaterpump’strialrunmustcomplywiththeparametersasindicatedintheinstructionofequipment.Inspectionmethod:examinewithathermometer.82\n4.4.3Thefull-volumewatertestforopenwatertanksandwaterpressuretestforclosedwatertanks(container)mustbeinlinewiththestipulationshereof.Inspectionmethod:fullyfillthewatertank,observethetank24hourslaterandnoleakageshallbefound;inawaterpressuretest,thetestpressureshallnotdropfor10minutesandnoleakagefound.CommonItems4.4.4Wheninstallingthetrestleorbaseofawatertank,theinstallationsizeandpositionshallcomplywithdesignrequirements,andthetankshallbelaidflatandsolid.Inspectionmethod:examinewithatapemeasurebasedondrawings.4.4.5Theoverflowandblow-offpipesshallbeplacedclosetothedrainagesitebutshallnotbedirectlyconnectedtothedrainagepipe.Inspectionmethod:observe.4.4.6Theshockisolatorsofverticalpumpsshallnotbespringsuspension.Inspectionmethod:observe.4.4.7ThepermissibledifferenceforinstallationofindoorwatersupplyequipmentshallbeinlinewiththeparametersofTable4.4.7.Table4.4.7PermissibledifferenceandinspectionmethodsforinstallationofindoorwatersupplyequipmentNo.ItemsDifference(mm)Inspectionmethods1StaticequipmentCoordinate15Theolodite,guywireortapemeasureElevation±5Waterlevel,guywireandtapemeasureVerticality(/m)5Suspensionwireandtapemeasure2CentrifugalwaterpumpVerticalityofverticalpump(/m)0.1LevelbarandfeelergaugeLevelnessofhorizontalpump(/m)0.1LevelbarandfeelergaugeConcentricityofcouplerAxialinclination(/m)0.8Usewaterlever,dialindicatorormicrometerscrewandfeelergaugeRadialdisplacement0.14.4.8Thepermissibledifferenceforthicknessandflatnessofthepipeandequipment’sinsulationlayershallbeinlinewithTable4.4.8.82\nTable4.4.8Permissibledifferenceandinspectionmethodsforheat-insulatinglayerofpipeandequipmentNo.ItemsDifference(mm)Inspectionmethods1Thickness+0.1-0.05Insertasteelneedle2SurfaceflatnessCoiledmaterial5Examinewitha2mguidingrulerandawedgefeelerCoating10Note:drepresentsthethicknessoftheheat-insulatinglayer.82\n5TheInstallationofIndoorDrainageSystem5.1BasicRegulations5.1.1Thischapterisspecifiedforthequalityinspectionandqualificationofinstallationprojectsofindoordrainageandrainsewagesystems.5.1.2PVCpipes,castironpipesandcementpipescouldbeusedinhousesanitarydrainagesystem.(Othershortsewagepipesconnectingwashingbasinsordrinkingfountainswithpublicwaterblocksorlinkingplumbingfittingscouldusesteelpipes)ItissuggestedthatPVCpipes,castironpipes,galvanizedornon-galvanizedsteelpipesandcementpipescouldbeusedinrainsewagesystem.Suspendedrainsewagesystemshouldusesteel,castironorPVCasitspipematerialswhilevibration-influencedrainsewages,especiallyinforgeworkshops,shouldbemadeofsteels.5.2TheInstallationofDrainageSystemandItsAccessoriesMainProjects5.2.1Water-fillingtestsshouldbeconductedbeforeanyhiddenorundergroundsewagesystemiscompleted.Theheightofwater-fillingsshouldbenolowerthanthetoplevelofsanitaryutensilsongroundfloororgroundfloorlevels.Methodstocheck:ifthewaterlevelkeepsunchanged15minutesafterpipedfilledwithwaterand5minutesafterfollow-upobservationsandthereisnoleakageonpipes,thesystemisregardedasqualified.5.2.2TheslopingdesignofthecastironhousesanitarysewagesissubjecttothestandardsofChart5.2.2:Chart5.2.2TheSlopingStandardsForTheHouseSanitarySewage(CastIronSewagePipes)ItemDiameter(mm)SlopeStandard(‰)MinimumSlope(‰)1503525275251531002012412515105150107620085Methodstocheck:checkwithhorizontalbarsorwirerulers.5.2.3TheslopingdesignofthePVChousesanitarysewagepipesissubjecttothestandardsofChart5.2.3:Chart5.2.3TheSlopingStandardsForTheHouseSanitarySewage(PVCSewagePipes)ItemDiameter(mm)SlopeStandard(‰)MinimumSlope(‰)150251282\n27515831101264125105516074Methodstocheck:checkwithhorizontalbarsorwirerulers.5.2.4Accordingtodesignrequirements,theexpansionjointsshouldbeinstalledforPVCsewagepipes.Ifthereisnospecificrequirements,thespanbetweentwoexpansionjointsshouldbenomorethan4meters.Accordingtodesignrequirements,open-builtPVCsewagepipesinhighbuildingsshouldbeinstalledwithfire-proofenclosuresorouterpipes.Methodstocheck:Observations5.2.5Ballclearingtestshouldbeconductedformainverticalandhorizontalsewagepipes.Thediameteroftestingballshouldbenolessthan2/3ofthediameterofsewagepipesandthesuccessfultestingratemustbe100%.Methodstocheck:Ballclearingtests.GeneralProjects5.2.6Check-uporcleaninghatchesshouldbereservedinhousesanitarysewagepipes.Ifthereisnospecificrequirementindesigns,pleasefollowthebelowstandards:1.Onecheck-uphatchshouldbereservedonverticalsewagepipesateverytwostories.Onthetopfloorfacilitatedwithsanitaryutensilsandthegroundfloor,check-uphatchisnecessary.Intwo-storybuildings,check-uphatchcouldbeongroundfloor.AnyZ-shapedpipeshouldbebuiltwithcheck-uphatchonitstopposition.Theheightofthecenterpointofcheck-uphatchis1cmovergroundlevelwithanallowabledeviationof±20mm.Theopeningofcheck-uphatchshouldbeeasyformaintenanceoperationsandhatchcoversshouldbeinstalledateachhatch.2.Ifanyhorizontalwastesewagepipelinksovertwo(includingtwo)toiletstoolsoroverthree(includingthree)sanitaryutensils,cleaninghatchshouldbereservedonit.Ifthesewagepipeissuspendedbuiltundertheceiling,thecleaninghatchshouldbereservedontheoverheadfloor.Thedistancefromthecleaninghatchofthesewagepipestartpointtoitsverticalwallsurfacemustbenolessthan200mm.Ifthecleaninghatchisreplacedbyplugginghead,thedistancefromittotheverticalwallsurfacemustnolessthan400mm.3.Ifanyhorizontalwastesewagepipehasaturnanglelessthan135°,checkingorcleaninghatchesshouldbereserved.4.Checkinghatchorcleaninghatchshouldbereservedonthestraightpipeofhorizontalsewageaccordingtodesign’srequirements.82\nMethodstocheck:observationsandmeasuring.5.2.7Thecheckinghatchofbuilt-ingroundwastesewagepipesshouldbeplacedincheckingpit.Thepitgroundandtheflangesealofcleaninghatchshouldbeatthesamelevel.Thesurfaceofpitgroundshouldhasaslopeof5%whichisorientedtowardcheckinghatch.Methodstocheck:measuring5.2.8Anyhangersorclampsofmetalsewagepipesshouldbefixedonbuilding’sbearingstructures.Thedistancebetweentwohangersorclamps:nomorethan2metersforhorizontalpipes;nomorethan3metersforverticalpipes.Ifthestoryheightislessthan4meters(including4m),onefixingisneededforverticalpipes.Standsshouldbebuilttosupporttheturnsectionatthebottomofverticalpipes.Methodstocheck:observationsandmeasuring.5.2.9ThedistancebetweenhangersorsupportsofeachPVCsewagepipeshouldfollowtheChart5.2.9.Chart5.2.9Max.SpansBetweenHangersorSupportsofPVCSewage(unit:meter)Diameter(mm)5075110125160VerticalPipes1.21.52.02.02.0HorizontalPipes0.50.751.101.301.6Methodstocheck:measuring5.2.10Theventilatingsystemofsewagepipesshouldnotlinktootherventilatingshaftsorfluepipesandmustbeinaccordancewiththefollowingstandards:1.Theventilatingpipeshouldstandsout300mmoverthesurfaceofbuildingroofandthestandoutpartshouldbenolessthanthemaximumthicknessofsnow.2.Iftherearedoorsorwindowswithinthedistanceof4metersoftheventilatingpipestand-out,thetoppointofventilatingpipeshouldbemorethan600mmoverthetopofdoorsorwindows,orpipesshouldbeleadtoothersideswherenowindowordoorisbuilt.3.Thetoppointofventilatingpipeshouldbemorethan2moverthesurfaceofbuilding’sroofwherepeoplefrequentlyvisit.Andlightening-protectiondevicesshouldbeinstalledaswell.4.Ifthereisanythermal-protectiveroofmeasuringshouldbetakenfromthetopofit.Methodstocheck:observationandmeasuring.5.2.11Hospital’ssewagepipes,whicharecontaminatedwithbacteriaandhavenotbeendisinfected,shouldnotlinkdirectlytoanyothersewagepipes.Methodstocheck:observation.82\n5.2.12Drainagepipesleadfromcookingfacilitiesoroverflowpipesfromdrinkingwatertanksinrestaurantsshouldnotlinkdirectlytoanyothersewagepipesandthespaceinbetweenshouldbenolessthan100mm.Methodstocheck:observationandmeasuring.5.2.13Anysewagepipeleadstooutdoorthroughwallsorbasementsandturnsdownverticallyshouldbeconnectedwith45°T-connectionsor45°angleheads.Andcleaninghatchshouldbeinstalledatthetopofverticalpipes.Methodstocheck:observationandmeasuring.5.2.14Ifthereisanysewagepipeleadsfromindoortooutdoorcheckingpits,thelevelofinpipesshouldbehigherorequaltothelevelofoutpipes.Andthewaterflowangleshouldbenolessthan90°.Thereisnoanglerestrictionifthewaterfallisover300mm.Methodstocheck:observationandmeasuring.5.2.15Theindoorhorizontalorverticalsewagepipesshouldbeconnectedwith45°T-connectionsor45°four-wayconnectionsand90°obliqueT-connectionsor90°obliquefour-wayconnections.Two45°turnheadsorone90°turnheadwithacurvatureradiusnolessthan4timesofpipediametershouldbeusedattheconnectionofverticalpipeandthetoppointofsewagepipe.Methodstocheck:observationandmeasuring.5.2.16TheallowabledeviationfortheinstallationofindoorsewagepipesshouldbeinaccordancewiththefollowingstandardsinChart5.2.16:82\nChart5.2.16TheAllowableDeviationStandardsandInstallationMethodsofIndoorDrainagePipesNo.ItemsAllowableDeviation(mm)CheckingMethods1Coordinate15Checkwithhorizontalbars,rulersorwirerulers.2Elevation±153HorizontalSewagePipesBendVerticallyCastIronPipesEvery1m≯1TotalLength(Over25m)≯25SteelPipesEvery1mPipeDiameter≤100mm1PipeDiameter＞100mm1.5TotalLength(Over25m)PipeDiameter≤100mm≯25PipeDiameter＞100mm≯308PVCPipesEvery1m1.5TotalLength(Over25m)≯38CementPipesEvery1m3TotalLength(Over25m)≯754VerticalityofVerticalSewagePipesCastIronPipesEvery1m3Checkwithdripcordsorrulers.TotalLength(Over25m)≯15SteelPipesEvery1m3TotalLength(Over25m)≯10PVCPipesEvery1m3TotalLength(Over25m)≯155.3TheInstallationofRainDrainageSystemandItsAccessoriesMainProjects5.3.1Waterfillingtestsshouldbeconductedaftertheindoorrainsewagesystemisinstalled.Thewaterfillinglevelshouldreachtherainfunnelattheupperpartofeachverticalpipe.Methodstocheck:noleakageafterthetestlastsforover1hour.5.3.2IftherainsewagepipeismadeofPVCmaterial,itexpansionjointshouldbein82\naccordancewiththedesign’srequirements.5.3.3Theslopeangleofsuspendedrainsewagepipeshouldbenolessthan5‰whiletheslopeofburiedgroundrainsewagepipesshouldfollowthestandardsinChart5.3.3:Chart5.3.3TheMinimumSlopeofGroundRainSewagePipesItemNo.DiameterofSewagePipes(mm)TheMin.SlopeAngle(‰)15020275153100841256515056200-4004Methodstocheck:horizontalbarsandwirerulers.GeneralProjects5.3.4Therainsewageshouldnotbelinkedwithhousesanitarysewagesystem.Methodstocheck:observations.5.3.5Theconnectionsofrainfunnelshouldbefixedonthebuilding’sbearingstructureandthereshouldbenoleakageattheconnectionpartofthefunneledgeandhouseroofs.Ifnodesignrequirementisspecified,thediameterofconnectionpipesshouldbenolessthan100mm.Methodstocheck:observationsandmeasuring.5.3.6ThespanbetweencheckinghatchesorT-connectionswithflangesealsofthesuspendedrainsewagepipesshouldbeinaccordancewiththefollowingstandardsinChart5.3.6:Chart5.3.6TheSpanBetweenCheckingHatchesofSuspendedPipesItemNumberDiameterofPipes(mm)SpanBetweenHatches1≤150≯152≥200≮20Methodstocheck:wirerulersandmeasuring5.3.7TheallowabledeviationfortheinstallationofrainsewagepipesshouldbeinaccordancewiththestandardsinChart5.2.16:5.3.8TheallowableweldingdeviationofsteelrainsewagepipesshouldbeinaccordancewiththefollowingstandardsinChart5.3.8:82\nChart5.3.8TheAllowableWeldingDeviationStandardsandInstallationMethodsofSteelDrainagePipesItemNo.ItemsAllowableDeviationCheckingMethods1FlatnessofWeldingPointThicknessofPipewithin10mm1/4ofthethicknessWeldingInspectionTools&VernierCalipers2ReinforcingPatchofWeldingPointHeight+1mmWidth3UndercutDepth﹤0.5mmStraightRulersLengthContinuedLength25mmTotalLength(BothSides)Within10%oftheweldinglength6TheInstallationofIndoorHotWaterSupplySystem6.1BasicRegulations6.1.1Thischapterisspecifiedforthequalityinspectionandqualificationofinstallationprojectsofindoorhotwatersupplysystemswithwaterpressurenomorethan1.0Mpaandtemperaturelowerthan75℃.6.1.2ItissuggestedthatPVCpipes,compositepipes,galvanizedsteelpipesandcopperpipescouldbeusedinhotwatersupplysystem.6.1.3TheinstallationofhotwatersupplypipesandaccessoriesshouldfollowthestandardsstipulatedinChapter4.2.6.2TheInstallationofPlumbingandItsAccessoriesMainProjects6.2.1Waterpressuretestsshouldbeconductedaftertheinstallationofhotwatersupplysystemiscompleted.Experimentalpressuremustmeetthestandardsofdesigns.Ifnostandardsspecifiedindesigns,theaverageexperimentalhotwaterpressureofhotwatersupplysystemshouldbeequivalenttotheworkingpressureatsystem’stoppointplus0.1Mpa,whiletheexperimentalpressureatsystem’stoppointshouldbenolessthan0.3Mpa.Methodstocheck:within10minutesundertheexperimentalpressure,thedropofsystempressureinsidesteelpipesorcompositematerialpipesshouldbenomorethan0.02Mpa.Ifcheckedunderworkingpressure,thesystempressureshouldkeepstableandnoleakageoccurs.Within1hourundertheexperimentalpressure,thedropofsystempressureinsidePVCpipesshouldbenomorethan0.05Mpa.Ifcheckedunder1.15timesofworkingpressurefor2hours,thedropofsystempressureshould82\nbenomorethan0.03Mpaandnoleakageoccursatconnections.6.2.2Naturalbendsshouldbeutilizedtooffsetthermalexpansionsinhotwatersupplysystem.Instraightpartofsystem,compensatorcouldbeused.Thestyle,sizeandinstallationpositionmustmeetthestandardsrequiredbydesignsandprestressingmustbeconducted.Methodstocheck:checkaccordingtodesigndrawings.6.2.3Washingmustbecarriedoutaftertheinstallationofhotwatersupplysystemiscompleted.Methodstocheck:observationonsite.GeneralProjects6.2.4Theslopingofpipeinstallationshouldmeetthedesignstandards.Methodstocheck:checkwithhorizontalbarsorwirerulers6.2.5Temperaturecontrollerandvalvesshouldbeinstalledatplaceswhereobservationsandmaintenancescouldbeeasilycarriedout.Methodstocheck:observation6.2.6TheallowableinstallationdeviationofhotwatersupplypipesandvalvesshouldfollowthestandardsstipulatedinChart4.2.8.6.2.7Thermalinsulationshouldbeadoptedinhotwatersupplysystem(exceptforexposedplumbinginbathroom).Thematerials,thicknessandcoatingsofthermalinsulationshouldmeetthestipulateddesignstandards.TheallowabledeviationofthethicknessandflatnessofthermalinsulationlayersshouldfollowthestandardsstipulatedinChart4.4.8.6.3TheInstallationofAccessoryPartsMainProjects6.3.1Beforethesolarwaterheaterisinstalled,waterpressuretestsshouldbecarriedoutonsolarenergyabsorbingtubesandotherpipes.Theexperimentalpressureis1.5timesoftheworkingpressure.Methodstocheck:within10minutesundertheexperimentalpressure,nodropofpressureoranyleakageoccurs.6.3.2Waterpressuretestsshouldbeconductedonthermalexchangersandtheexperimentalpressureis1.5timesoftheworkingpressure.Thepressureonsteam-runningsectionshouldbenolessthansteamsupplypressureplus0.3Mpawhilethepressureonhotwater-runningsectionnolessthan0.4Mpa.Methodstocheck:within10minutesundertheexperimentalpressure,nodropofpressureoranyleakageoccurs.82\n6.3.3Beforethewaterpumpisinstalled,thecementintensity,coordinates,elevation,dimensionsaswellasthepositionsofboltholesshouldbespecifiedaccordingtodesignstandards.Methodstocheck:checkwithmetersandrulersfollowingdesigndrawings.6.3.4Thetemperatureincreaseofwaterpumpbearingsmustmeetthestandardsstipulatedinequipmentmanual.Methodstocheck:checkwiththermometers.6.3.5Thewaterfillingtestsonopenwatertanksandthewaterpressuretestsonsealedonemustbecarriedoutinaccordancewithdesignstandards.Methodstocheck:noleakageafter24hoursofwaterfillingtestandwithin10minutesundertheexperimentalpressure,nodropofpressureoranyleakageoccurs.GeneralProjects6.3.6Whenfixedsolarwaterheaterisinstalleditshouldbesouth-oriented.Inthecircumstanceofenvironmentalrestriction,deviationangleshouldbenogreaterthan15°.Ifsolarwaterheaterisusedinspring,summerandautumn,itsslopingangleshouldbeequivalenttothelocallatitude.Ifmainlyusedinsummer,itsslopinganglecouldbe10°lessthanthelocallatitude.Methodstocheck:observationsandcheckwithgraduator.6.3.7Thecirculationpipesconnectingupperandlowerthermalenergytubesofwaterheaterwithhotwatertankshouldhaveaslopinganglenolessthan5‰.Methodstocheck:measuringcheck.6.3.8Thedistancebetweenthebottomofhotwatercirculatingtankandtheupperthermaltubesshouldbeof0.3mto1m.Methodstocheck:measuringcheck.6.3.9Whenthethermalenergyabsorbingsteelplateismanufactured,theroundnessofitsgroovesandspanbetweengroovesshouldbestandardizedandaccurate.Thethermalenergytubesshouldbefixedfirmlyonthesteelplategrooveswithclampsorsteelwires.Methodstocheck:spannersandmeasuringcheck.6.3.10Drainagefacilitiesshouldbeinstalledatthelowestpartofsolarwaterheaters.Methodstocheck:observations.6.3.11Thehotwatertankandconnectedupperandlowercirculatingpipesshouldbethermalinsulated.Methodstocheck:observations.6.3.12Freezing-protectionmeasurementsshouldbetakenifanywater-filledsolarwaterheaterisusedinareaswherethetemperatureisbelow0℃.]82\nMethodstocheck:observations.6.3.13TheallowableinstallationdeviationofhotwatersupplyfacilitiesshouldmeetthestandardsstipulatedinChart4.4.7.6.3.14TheallowableinstallationdeviationofsolarwaterheatersshouldmeetthefollowingstandardsstipulatedinChart6.3.14.Chart6.3.14TheAllowableInstallationDeviationStandards&InspectionMethodsofSolarWaterHeatersItemsAllowableDeviationsInspectionMethodsPlate-StyledSolarWaterHeaterElevationCenterLinetoGroundLevel(mm)±20RulerMeasuringOrientationsofFixedInstallationMaximumDeviatedAngleNogreaterthan15°GraduatorInspection82\n7TheInstallationoftheToiletEquipments7.1TheBasicRegulations7.1.1Thischapterisapplicabletothecheckingandexaminationofthequalityofinstallationoftheinsidetoiletequipments,suchasthedirty-watertanks,washingtanks,face(orhands)washingtanks,washingtroughs,bathtubs,showers,stools,urinals,thetroughsofurine,theflushingtroughsofstool,thecleaningbasinsforwomen,thebasinsforassay,theflushingpins,theentranceofthedrainpipesontheground,theheatingmachines,thehotwaterdisinfectingmachinesandthedrinkingmachines.7.1.2Intheinstallationoftheinsidetoiletequipments,thepre-installedboltsandtheinflatingboltsshouldbeused.7.1.3Ifthereisnosuchdemandsinthedesignconcerningtheheightofthetoiletequipmentsintheprocessofinstallation,theinstallationofthemshouldbeinaccordancewiththeregulationsintheForm7.1.3.Form7.1.3TheHeightoftheToiletEquipmentsintheProcessofInstallationNumberTheNamesoftheToiletEquipmentsTheHeightoftheToiletEquipmentsintheProcessoftheInstallation(mm)NotesTheBuildingsforResidenceorPublicUseTheKindergartens1ThedirtywatertubortanksThesupportedtype800800Thestandingtype5005002Thewashingtubsortanks800800Fromthegroundtotheupperedgeoftheequipment3face(orhands)washingtanks(withorwithoutblocks)8005004Washingtroughs,8005005Bathtubs≯5206ThecouchantstoolsThehigherwatertanks18001800Fromthefaceofthesteptotheunderedgeofthehigherwatertanks82\nThelowerwatertanks900900Fromthefaceofthesteptotheunderedgeofthelowerwatertanks7ThecommodesThehigherwatertanks18001800FromthefaceofthesteptotheunderedgeofthehigherwatertanksFromthefaceofthesteptotheunderedgeofthelowerwatertanksThelowerwatertanksThetypewiththedrainpipesexposedoutsidesThesiphonedspoutingtype5104703708TheurinalsThehungtype600450Fromthegroundtotheunderedge9Thetroughfortheurine200150Fromthegroundtothefaceofthestep10Theflushingtanksofthetroughforstool≯2000Fromthefaceofthesteptotheunderfaceofthetanks11TheCleaningBasinsforWomen360Fromthegroundtotheupperedgeoftheequipment12TheBasinsforAssay800Fromthegroundtotheupperedgeoftheequipment82\n7.1.4Theheightofthewatersupplyingequipmentsofthetoiletequipments,whenthereisnospecialdemandinthedesign,shouldbeinaccordancewiththeregulationsintheForm7.1.4.Form7.2.3TheHeightoftheWaterSupplyingEquipmentsoftheToiletEquipmentsNumberTheNamesoftheWaterSupplyingEquipmentsTheDistancefromtheCenterPointtotheGround(mm)TheDistanceBetweentheHotWaterFaucetandtheColdwaterFaucet(mm)1Thewaterfaucetofthesupporteddirtywaterbasinsortanks1000--2Thewaterfaucetofthestandingdirtywaterbasinsortanks8003Thewaterfaucetofthewashingbasinsortanks10001504Thewaterfaucetofthecollectivelywatersupplyingsystem1000--5Thewaterfaucetofthehandwashingbasins1000--6ThefacewashingbasinsThewaterfaucettowhichthewaterissupportedfromtheupperdirection1000150Thewaterfaucettowhichthewaterissupportedfromtheunderdirection800150Theangledvalvestowhichthewaterissupportedfromtheunderdirection450--7ThewashingThewaterfaucet100015082\ntroughThehotwaterfaucetofthehotandcoldwaterpipesthatgoesparallelly11001508ThebathtubThewaterfaucettowhichthewaterissupportedfromtheupperdirection6701509Thestoppingvalves115095Themultiplexfunctioningvalves1150Theunderedgeofthespraynozzleoftheshower2100--10Thecouchantstools(countingfromthefaceofthesteps)Thestoppingandangledvalvesinthehighertanks2040Theangledvalvesinthelowertanks250--Themanualtypeoftheselfclosingflushingvalves600--Thefeet-treadingtypeoftheselfclosingflushingvalves150--Thepipes-pullingtypeoftheflushingvalves(countingfromtheground)1600--82\nThevalveswiththedirty-proofflushingequipment900--11ThestoolsTheangledvalvesofthehighertanksandthestoppingvalves2040--Theangledvalvesofthelowertanks150--12Thestoppingvalvesoftheflushingtanksofthetroughsforthestool(countingfromthefaceofthesteps)≯2400--13Theangledvalvesofthestandingurinals1130--14Theangledandstoppingvalvesofthehungurinals1050--15Theflushingpipeswithholesofthetroughforurine1100--16Thewaterfaucetforassayinthelabs1000--17Themultiplexvalvesofthecleaningbasinsforwomen360--Note:Thecenterpointofthehandswashingbasins,facewashingbasinsandthewaterfaucetofthewashingtroughinthekindergartensshouldbeinstalled700mmtotheground,andtheheightofalltheotherwatersupplyingfittingsshouldbereducedaccordingtotheactualsizeofthetoiletequipments.7.2TheInstallationoftheToiletEquipmentsTheMainItems7.2.1Thedrainingembolusandtheentranceofthedrainpipesonthegroundshouldbefixedlevellyandstably,underthedrainingsurface,withnoleakingpointsontheirroundedge.Andtheheightofthewatercoveroftheentranceofthedrainpipesonthegroundshouldnobelessthan50mm.Themethodofcheckingandmaintaining:observationintheexperimentofflowingwaterinthem.7.2.2Beforetheinstallationisfinishedandhandovertotheuser,theexperimentsof82\nfillingwaterinandlettingthewaterflowinginthepipesshouldbeconducted.Themethodofcheckingandmaintaining:afterfilledwithwater,allthejunctureswillnotoozeorleak,andwithwaterflowinginthem,thesupplyinganddrainingofwaterarefluent.TheCommonItems7.2.3ThepermittederrorsintheinstallationofthetoiletequipmentsshouldbeinaccordancewiththeregulationsintheForm7.2.3.Form7.2.3ThePermittedErrorintheInstallationoftheToiletEquipmentsandtheExaminationNumberItemsThePermittedError(mm)TheMethodsofExamination1ThecoordinateTheindividualinstrument10Usingthelevelstrings,theverticalstringsandtherulersTheinstrumentsthatarefixedinrows52TheelevationTheindividualinstrument+/-15Theinstrumentsthatarefixedinrows+/-103Theleveloftheinstruments2Usingthegradientersandtherulers4Theverticalityoftheinstruments3Examiningwiththeverticallinesandtherulers7.2.4Incaseofthebathtubswithdecoration,alittledoorformaintainingshouldbeleft.Themethodofcheckingandmaintaining:observation.7.2.5Theflushingpipeoftheemictionthroughshouldbethesteelonesgalvanizedwithzincortheonesmakeofhardplastic.Theholeforflushingshouldbefixedintheunderpart,andthewaterstreamshouldformanangleof45degree.Andafterthesteelpipesgalvanizedwithzincarebored,theyshouldbegalvanizedforanothertime.TheMethodofcheckingandmaintaining:observation.7.2.6Theplankofthetoiletequipmentsshouldbetheantiseptic,stablyandfastfixed82\nandcloselyandstablyconnectedtothetoiletequipments.Themethodofcheckingandmaintaining:observationandtopullthemwiththehands.7.3TheInstallationoftheWater-SupplyingFittingsoftheToiletEquipmentsTheMainItems7.3.1Thewater-supplyingfittingsofthetoiletequipmentsshouldbeintact,theweldsshouldbeintact,andthepartsforopeningandclosingshouldbeflexible.Themethodofcheckingandmaintaining:observationandtopullthemwiththehands.TheCommonItems7.3.2Thepermittederroroftheelevationinfixingthewater-supplyingfittingsofthetoiletequipmentsshouldbeaccordedwiththeForm7.3.2.7.3.3Theheightofthehookwhichhangstheshowerconnectedtothesoftpipeofthebathtub,ifthereisnosuchspecialdemandintheprocessofdesign,shouldbe1.8mabovethefloor.Themethodofcheckingandmaintaining:checkingwiththerulers.Form7.3.2ThePermittedErroroftheElevationinFixingtheWater-SupplyingFittingsoftheToiletEquipmentsandtheMethodofCheckingandMaintainingNumberItemsThepermittedError(mm)TheMethodsofExamination1Theheightofthecommodes,thevalvesinthelowwatertankandthecatchwatervalves+/-10Checkingwiththerulers2Thewaterfaucet+/-103Theloweredgeoftheshower+/-154Thehookwhichhangstheshowerconnectedtothesoftpipeofthebathtub+/-207.4TheInstallationoftheDrainpipesTheMainItems7.4.1Thewaterholesandverticaltubesofallthetoiletequipmentswhichareconnectedtotheleveldrainpipesshouldbefixedwithreliablemethods,andthe82\nconnectingpartofthepipesandfloorshouldbefixedtopreventtheoozingandleaking.Themethodofcheckingandmaintaining:observationandtopullthemwiththehands.7.4.2Thejuncturesofthedrainpipesconnectingthetoiletequipmentsshouldbecloseandwithoutleaking.Theplanksandthewedgestofixthemshouldbeputinthecorrectpositionsandfixedfast,andtheinterfacebetweenthepipesandthemshouldbesmooth.Themethodofcheckingandmaintaining:observationandcheckingbyflowingwaterintothem.TheCommonItems7.4.3ThepermittederrorsinthefixationofthedrainpipesofthetoiletequipmentsshouldbeaccordedwiththeForm7.4.3.Form7.4.3ThePermittedErrorsinTheInstallationoftheDrainpipesoftheToiletEquipmentsandtheMethodsofCheckingandExaminationNumberTheItemsforExaminationThepermittedError(mm)TheMethodsofExamination1ThecamberofthelevelpipesEvery1m2CheckingwithhorizontalrulersThelengthofthelevelpipes≤10m(thetotallength)<8Thelengthofthelevelpipes>10m(thetotallength)102TheabscissasandordinatesofthenozzlesofthedrainpipesofthetoiletequipmentTheindividualinstrument10CheckingwithrulersTheinstrumentsthatarefixedinrows582\n3TheelevationofthejuncturebetweenthetoiletequipmentsTheindividualinstrument+/-10CheckingwithhorizontalrulersandrulersTheinstrumentsthatarefixedinrows+/-57.4.4ThediameterandtheminimumgradientofthedrainpipesconnectingthetoiletequipmentsshouldbeaccordedwiththeForm7.4.4,ifthereisnosuchdemandsintheprocessofdesign.Form7.4.4TheDiameterandtheMinimumGradientoftheDrainpipesConnectingtheToiletEquipmentsNumberTheNamesoftheToiletInstrumentsTheDiameteroftheDrainpipes(mm)TheMinimumGradientoftheDrainpipes1Thebasinortubforwastewater50252Washingbasin(ortub)withoneortwocases50253Face-washingorhand-washingbasin32-50204Bathtub50205Shower50206CommodeThehighandlowtanks10012Self-closingflushingvalve10012Pullingflushingvalves100127UrinalManualorself-closingflushingvalves40-5020Theautomaticflushingtanks40-50208Theassaybasin(withoutplug)40-50259Body-cleaningequipment40-502010Drinkingmachine20-5010-3011Thehouseholdwashing50(30forthesoft82\nmachinepipes)Themethodofcheckingandmaintaining:checkingwithhorizontalrulersandrulers.82\n8.TheInstallationoftheInsideHeatingSystem8.1TheBasicRegulations8.1.1Thischapterisapplicabletothefixationandexaminationoftheheatingsystemswithasaturatedsteampressurenomorethan0.7MPaandthetemperatureofthehotwaternomorethan130degreescentigrade.8.1.2Thewayofscrewthreadshouldbeusedinthejunctureofsolderingsteelpipeswhenthediametersofthemarenomorethan32mm.Ifthediameterismorethan32mm,weldingshouldbeused.Astothejunctureofthesteelpipesgalvanizedwithzinc,seetheregulation4.1.3.8.2TheInstallationofthePipesandTheirFittingsTheMainItems8.2.1Whenthereisnospecialdemandinthedesign,thegradientofthepipesshouldbeinaccordancewiththefollowingregulations:1.Thegradientofthehotwaterheatingpipeswherethesteamandthewaterflowinthesamedirectionandthesteamheatingpipeswherethesteamandthewaterflowinthesamedirectionshouldbe3‰andnolessthan2‰.2.Thegradientofthehotwaterheatingpipeswherethesteamandthewaterflowintheoppositedirectionsandthesteamheatingpipeswherethesteamandthewaterflowintheoppositedirectionsshouldbenolessthan5‰.3.Thegradientofthebranchpipesofaradiatorshouldbe1%,andthedirectionoftheslopeshouldbepropitioustoexhaustinganddraining.Themethodsofcheckingandmaintaining:observation,horizontalrulers,stringsandmeasuringwithrulers.8.2.2Thetypeofthecompensationmachineandthepositionofitsfixation,andthestructureandthepositionoffixationofthefixedbracketandthepre-protractionshouldbeinaccordancewiththedemandofthedesign.Themethodofcheckingandmaintaining:referringtotheblueprint,observingonthespotandchecktherecordofthepre-protraction.8.2.3Thetypes,standards,pressureandthepositionoffixationofthebalancingvalvesandtheadjustingvalvesshouldbeinaccordancewiththedemandofthedesign.Themethodofcheckingandmaintaining:referringtotheblueprinttochecktheeligibilitycertificateandcheckingthemonthespot.8.2.4Thetypes,standards,pressureandthepositionoffixationofthesteampressure-relievingvalvesandpipes,andthesecurityvalvesontheequipmentsshouldbeinaccordancewiththedemandsinthedesign.Afterthefixation,weshoulddebugthesystemaccordingtothepressureofthesystemandmakemarks.Themethodofcheckingandmaintaining:referringtotheblueprinttocheck82\ntheeligibilitycertificateandthepaperverifyingtheresultofthedebugging.8.2.5Intheprocessofmakingthesquarecompensationmachine,awholepieceofsteelpipewithoutapertureshouldbeused.Andifaweldisneeded,itshouldbeplacedinthemiddleoftheverticalarmandthejunctureshouldbewelded.Themethodofcheckingandmaintaining:observation.8.2.6Thesquarecompensationmachineshouldbeinstalledverticallyanditsgradientshouldbethesameasthepipes’.Ifitarmsarefixedvertically,theexhaustinganddrainingequipmentsshouldbeinstalled.Themethodofcheckingandmaintaining:observation.TheCommonItems8.2.7Thetypes,standards,pressureandthepositionoffixationofthecalorimeter,hydrophobe,cleaner,filterandvalvesshouldbeinaccordancewiththedemandofthedesign.Themethodofcheckingandmaintaining:referringtotheblueprinttochecktheeligibilitycertificate.8.2.8ThepermittederrorsoftheweldsinthesteelpipesshouldbeinaccordancewiththedemandintheForm5.3.8.8.2.9Thesettingoftheentranceoftheheatingsystemandthehouseholdcalorimetersystemshouldbeinaccordancewiththedemandofthedesignandconvenientforchecking,maintainingandobserving.Themethodofcheckingandmaintaining:observationonthespot.8.2.10Whenthelengthoftheradiatorismorethan1.5m,wedgesshouldbeinstalledonthebranchpipes.Themethodofcheckingandmaintaining:checkingwithrulersandobservingonthespot.8.2.11Thechangeablerouteofthedrypipesofthesystemwherewaterissuppliedontheupperpartandreturnsintheunderpartshouldbeinstalledwiththeonitsheadandthechangeablerouteofthedrysteampipesshouldbeinstalledwiththeflatdecenteringunderit.Themethodofcheckingandmaintaining:observingonthespot.8.2.12Whentheverticalorlevelbranchpipesarebeingweldedontothedrypipes,thewasteofthesteelsedimentsandthewallofthepipesbecauseoftheboringshouldnotbeleftinthepipes,andthebranchpipesshouldnotbeinsertedintothedrypipesinthetimeofwelding.Themethodofcheckingandmaintaining:observingonthespot.8.2.13Theinflatablepipesandrecyclingpipesoftheinflatabletanksshouldnotbeinstalledwithvalves.Themethodofcheckingandmaintaining:observingonthespot.8.2.14Whenthemediumoftheheatingsystemishotwaterof110~130degreescentigrade,thepartsofthepipesthatcanbedisassembledshouldbeflangesinsteadoftie-insorthelongironstrings.Andthecushionoftheflangesshouldbeheat-enduringrubberboards.82\nThemethodofcheckingandmaintaining:observingonthespot.8.2.15Whenthebendsoftheweldedsteelpipeswhichhavethediametersmorethan32mmareusedasthenaturalcompensation,theyshouldbeheatedwithslowfire.Andwhenitcomestotheplasticandmultiplexpipes,excepttheconditionsthattherightanglebendsmustbeused,thebendofthepipesthemselvesshouldbeused.Themethodofcheckingandmaintaining:observingonthespot.8.2.16Therotproofmaterialsandthelacqueronthepipes,bracketsandequipmentsshouldbewellattached,withoutthephenomenaofexuviations,spumes,flowingormiss-outintheprocessofpainting.Themethodofcheckingandmaintaining:observingonthespot.8.2.17ThepermittederrorsintheprocessoftheheatpreservationofthepipesandtheequipmentsshouldbeinaccordancewiththeregulationsintheForm4.4.8.8.2.18ThepermittederrorsintheprocessofinstallingtheheatingpipesshouldbeinaccordancewiththeregulationsintheForm8.2.18.Form8.2.18ThePermittedErrorsintheProcessofInstallingtheHeatingPipesandtheMethodofCheckingandMaintainingNumberItemsPermittedErrorsMethodofCheckingandMaintaining1Thebendsofthehorizontalpipesinthelevelandverticaldirections(mm)Every1mThediameter≤100mm1Measuringwiththeverticalrulers,rulers,thepullinglinesThediameter>100mm1.5Thetotallength(morethan25m)Thediameter≤100mm≯13Thediameter>100mm≯252Thedegreeoftheverticality(mm)Every1m2UsingtheverticallinesandmeasuringwiththerulersThetotallength(morethan5m)≯103ThebendedpipesEllipticity(Dmax-Dmin)/DmaxThediameter≤100mm10%UsingthepincersfasteningfromtheoutsideormeasuringwiththerulersThediameter>100mm8%ThedegreeoftheroughnessofcocklesThediameter≤100mm4Thediameter>100mm5Note:TheDmaxandtheDminmeanseparatelythemaximumoutsidediameterandthe82\nminimumoutsidediameter.8.3InstallationoftheAssistantEquipmentsandtheRadiatorsTheMainItems8.3.1Theexperimentsconcerningthepressureofwatershouldbeconductedaftertheradiatorsaremadepairsandbeforethepairedradiatorsinstalled.Thepressureintheexperiments,ifthereisnosuchspecialdemandinthedesign,shouldbeoneandahalftimesofthepressurewhenworkingandbenolessthan0.6MPa.Themethodofcheckingandmaintaining:thetimeofexperimentsshouldbe2~3minutes,withoutthepressure’sdroppingandthephenomenaofleakingandoozing.8.3.2Thecheckandexaminationofthequalityininstallingtheassistantequipments,suchasthewaterpumps,watertanksandtheheatexchangersshouldbeinaccordancewiththeconcernedregulationsinpart4.4andpart13.6.TheCommonItems8.3.3Thepairoftheradiatorsshouldfixedlevelly,andthehorizontalityofthepairedradiatorsshouldbeinaccordancewiththeregulationsintheForm8.3.3.Form8.3.3ThePermittedErrorsoftheHorizontalityofthePairedRadiatorsNumberTheTypesoftheRadiatorsTheNumberofthePiecesThePermittedErrors1Theradiatorswithlongwings2~445~762ThecastirontypeThesteeltype3~15416~256Themethodofcheckingandmaintaining:usingthepullinglinesandmeasuringwiththerulers.8.3.4Thecushionsofthepairedradiatorsshouldbeinaccordancewiththefollowingregulations:1.Thecushionsofthepairedradiatorsshouldbethefinishedproduct,andaftertheyarepaired,thelengthofthecushionthatisexposedoutsideshouldbenomorethan1mm.2.Thecushionsofthepairedradiators,whenthereisnosuchdemandinthedesign,shouldbemadeofheat-enduringrubber.Themethodofcheckingandmaintaining:observationandmeasuringwiththerulers.8.3.5Intheinstallationofthebracketsoftheradiators,thepositionsshouldbecorrectandtheyshouldbeburiedfirmly.Thequantityofthebracketsoftheradiatorsshouldbeinaccordancewiththedemandsinthedesignortheillustrationoftheproduct.Ifthereisnosuchnoticeinthedesign,itshouldbeinaccordancewiththeregulationsin82\ntheForm8.3.5.Form8.3.5TheQuantityoftheBracketsoftheRadiatorsNumberTheTypesoftheRadiatorsTheWayoftheInstallationTheNumberofthePiecesinOneGroupTheHooksortheBracketsontheUpperPartTheHooksortheBracketsontheUnderPartTheTotalSum1ThetypewithlongwingsHungonthewall2~41235224.623572462TheradiatorswithcolumnwingsorintheformofcolumnsHungonthewall3~81239~1213413~1624617~2025721~252683TheradiatorswithcolumnwingsorintheformofcolumnsStandingonthefloorwithfeet3~81-18~121-113~162-217~202-221~252-2Themethodofcheckingandmaintaining:countingthemonthespot.8.3.6Thedistancefromthebackoftheradiatortotheinnersideofthewallafterdecorationshouldbeinaccordancewiththedemandsinthedesignorthedemandsintheillustrationoftheproduct.Ifthereisnosuchspecialdemandinthedesign,itshouldbe30mm.Themethodofcheckingandmaintaining:measuringwiththerulers.8.3.7ThepermittederrorsintheinstallationoftheradiatorsshouldbeinaccordancewiththeregulationsintheForm8.3.7.Form8.3.7ThePermittedErrorsintheInstallationoftheRadiatorsandtheMethodofCheckingandMaintainingNumberItemsThePermittedErrors(mm)TheMethodofCheckingandMaintaining82\n1Thedistancefromthebackoftheradiatortotheinnersideofthewallafterdecoration3Measuringwiththerulers2Thepositionofthemiddlelineofthewindoworthefixedpositioninthedesign203Theverticalityoftheradiators3Usingtheverticallinesormeasuringwiththerulers8.3.8Thepaintonthesurfaceofcastironradiatorsorthesteelradiatorsandtherotproofpaintshouldbewellattachedtotheradiators,withsmoothcolorandlusterandwithoutthephenomenaofexuviations,spumes,flowingormiss-outintheprocessofpainting.Themethodofcheckingandmaintaining:observationonthespot.8.4TheInstallationoftheRadiatingBoardTheMainItems8.4.1Thewaterpressureexperimentsshouldbeconductedbeforethefixationoftheradiatingboard.Whenthereisnospecialdemandinthedesign,thepressureintheexperimentshouldbeoneandahalftimesofthepressurewhenworkingbutshouldnotbelessthan0.6MPa.Themethodofcheckingandmaintaining:usingtheverticalrulers,pullinglinesandmeasuringwiththerulers.8.4.2Thelevellyinstalledradiatingboardsshouldhaveagradientnolessthan5‰,facingthepipesforthereturningwater.Themethodofcheckingandmaintaining:observation.8.4.3Flangesshouldbeusedinconnectingthepipesoftheradiatingboardsandthezonalradiatingboards.Themethodofcheckingandmaintaining:observation.8.5TheInstallationoftheLow-TemperatureHot-WaterRadiatingHeatingSystemundertheGroundTheMainItems8.5.1Thepipeslaidunderthegroundshouldnothavejuncturesinthepartwheretheyareburied.Themethodofcheckingandmaintaining:observingbeforetheyareburied.8.5.2Thewaterpressureexperimentshouldbeconductedbeforethepipesareburied,andthepressureintheexperimentshouldbeoneandahalftimesofthepressurewhenworkingbutshouldnotbelessthan0.6MPa.82\nThemethodofcheckingandmaintaining:afteranhour’skeepingthepressure,thedropofthepressureshouldbenomorethan0.05MPa,andwithoutthephenomenaofoozingandleaking.8.5.3Whenheated,thebendsofthepipesshouldnotbebroken,andthecurvatureradiusshouldbeinaccordancewiththefollowingregulations:1.Plasticpipes:itshouldbenolessthaneighttimesoftheoutsideradius.2.Multiplexpipes:itshouldbenolessthanfivetimesoftheoutsidetadius.Themethodofcheckingandmaintaining:measuringwithrulers.TheCommonItems8.5.4Thetypes,standards,pressuresandthepositionandheightintheinstallationofthewatershuntingandcatchingmachineshouldbeinaccordancewiththedemandsinthedesign.Themethodofcheckingandmaintaining:referringtotheblueprintandtheillustrationoftheproduct,andmeasuringwithrulers.8.5.5Thediameter,lengthandthespacebetweeneverytwopiecesoftheheatingvoluminouspipesshouldbeinaccordancewiththedemandsinthedesign.Andtheerrorsofthespacebetweeneverytwopiecesoftheheatingvoluminouspipesinfixationshouldbenomorethan+/-10mm.Themethodofcheckingandmaintaining:pullinglinesandusingrulerstomeasure.8.5.6Themoistureprooflayer,thewaterprooflayer,theadiabaticlayerandtheseamforflexingshouldbeinaccordancewiththedemandsinthedesign.Themethodofcheckingandmaintaining:observationbeforethefilling-inlayerwaspoured.8.5.7Thegradeofthelayerfilledinshouldbeinaccordancewiththedemandsinthedesign.Themethodofcheckingandmaintaining:anexperimentofpressurestrength.8.6TheWaterPressureExperimentsandtheDebuggingoftheSystemTheMainItems8.6.1Thewaterpressureexperimentsshouldbeconductedaftertheinstallationoftheheatingsystemandbeforetheheatpreservationofthepipes.Thepressureintheexperimentsshouldbeinaccordancewiththedemandsinthedesign.Whenthereisnosuchdemandinthedesign,itshouldbeinaccordancewiththefollowingregulations:1.Thepressureinthewaterpressureexperimentshouldbe0.1MPamorethanthemaximumworkingpressureinthecaseofthesteamandhotwaterheatingsystems,andatthesametime,themaximumexperimentalpressureshouldnotbelessthan0.3MPa.2.Inthecaseofthehotwaterheatingsystemwithhighertemperature,theexperimentalpressureshouldbe0.4MPamorethanthemaximumworking82\npressureofthiskindofsystem.1.Thehotwaterheatingsystemusingplasticormultiplexpipes,thewaterpressureexperimentsshouldbeconductedwithapressure0.2MPamorethanthemaximumworkingpressure,andatthesametime,themaximumexperimentalpressureshouldnotbelessthan0.4MPa.Themethodofcheckingandmaintaining:aftertenminutes’keepingthepressure,thedropoftheexperimentalpressureoftheplasticorthemultiplexpipesshouldbenomorethan0.02MPa,andafterdroppingthepressuretotheworkingone,thereshouldnotbethephenomenaofoozingandleaking.Theheatingsystemusingtheplasticpipesshouldbeputundertheexperimentalpressureforanhour,withthedropofthepressurenomorethan0.05MPa,andthenthepressureshouldbereducedtothe1.15timesoftheworkingpressure,stabilizingthepressureat2handthedropofthepressurebeingnotmorethan0.03MPa.Meanwhile,therearenoseepandleakateachconnectingparts.8.6.2Whenthesystemisprovedqualified,itshouldbecleanedandsoshouldthefilterandcleaner.Methodofchecking:observingatthespotuntilthereisnoimpurity,suchassandandironbits,andthewaterisclean.8.6.3Afterthesystembeingcleaned,watershouldbefilledin.Thenheatifandtrytorunthesystemandexamineit.Methodofexamining:observingandmeasuringwhethertheroomtemperatureisaccordedwiththedesigningdemandornot.82\n9.InstallingOutdoorsWater-SupplyingPipes9.1TheBasicRegulations9.1.1Thischapterisapplyingfortheexaminingandcheckingthecivilbuildings(residencycommunity)water-supplyingpipesandtheoutdoorwater-supplyingpipes.9.12Thepipesforsupplyingwatershouldbemadeofplasticpipes,compositepipes,zinc-platepipesorfoundryironpipes.Thematerialsandfittingsofcompositepipesorfoundryironpipesmustbefromthesamefactoryandfromthesameseries.9.1.3Theinstallingoftheoutdoorwater-supplyingpipesthatareabovegroundorundergroundmuststicktotherulesofinstallingtheindoorwater-supplyingpipes.Theplasticpipesarenotallowedtobeinstalledinopenair.Ifnecessary,theymustbeprotectedfromcoldandsunshine.9.1.4Theplaceswherethewaterpumpoffirecontrollingandoutdoorhydrantareplacedmustaccordwiththerulesofdesigning.9.2Installingwater-supplyingpipesTheMajorItems9.2.1Whenthewater-supplyingpipesareinstalledunderground,theyshouldbeunderthefrozenline.Iftheyhavetobeinstalledabovetheline,reliablemeasuresforanti-dampareneeded.Intheareaswithoutfrost,thepipesmustbeburiedundergroundnotlessthan500mm,andiftheyareacrosstheroad,notlessthan700mm.Themethodofchecking:observingandcheckingatthefield9.2.2Water-supplyingpipesshouldnotgothroughsewagewell,dung-disposingpool,publicwcandsoon.Themethodofchecking:observingandchecking9.2.3Thepartslikeflangemustbeinstalledinthechecking-wellsorchannels,notunderthesoil.Themethodofchecking:observingandchecking9.2.4Wheninstallingthepipesofwater-supplyingsystem,ifnotparticularlydemanded,thedistancebetweenthewallofwellandtheflange:whenthediameterofpipeisnotmorethan450mm,thedistancemustnotlessthan250mm;whenthediameterismorethan450mm,thedistancemustnotlessthan350mm.Themethodofchecking:checkwithrulers9.2.5Thenetofthepipesmuststandthewaterpressureexamination.Thewaterpressureshouldbeoneandahalftimesastheworkingpressure,notlessthan0.6MPa.Themethodofchecking:whenthepipematerialsissteelandfoundryiron,thedropofexperimentalpressureshouldnothigherthan0.05MPawithin10min,thenitfallstoworkingpressurechecking.Thepressureshouldkeepthesame,andthere82\nshouldnotbesuchthingslikeseepandleak;whenthepipematerialsisplastic,undertheexperimentalpressure,thedropofthepressureshouldnotbehigherthan0.05MPa,thenitfallstoworkingpressureforchecking.Thepressureshouldkeepthesame,andthereshouldnotbesuchthingslikeseepandleak.9.2.6Theplacewherethezinc-platepipesandsteelpipesareburiedshouldbeaccordedwiththedemandonrot-proof.Ifthereisnotsuchdemandwhenbeingdesigned,theForm9.2.6willworkinstead.Thepipemuststickfirmlytothecoiledmaterial.Spareroom,flexibilityandloosenessisforbidden.Themethodofchecking:observingandcuttherot-prooflayertocheck.Form9.2.6TypesofRot-proofLayerTheNumberofLayerNormalRot-proofLayerReinforcedRot-proofLayerSpeciallyReinforcedRot-proofLayer(Countingfromthemetallayer)1ThecoldgroundingoilThecoldgroundingoilThecoldgroundingoil2AsphaltumlayerAsphaltumlayerAsphaltumlayer3OutsideprotectinglayerReinforcedlayerReinforcedprotectinglayerBlockinglayerBlockinglayer4AsphaltumlayerAsphaltumlayer5OutsideprotectinglayerReinforcedprotectinglayer6BlockinglayerAsphaltumlevel7OutsideprotectinglayerThethicknessshouldnotlessthan(mm)3699.2.7Afterthewater-supplyingpipesbeinginstalled,theymustbecleaned.Forthepipesfordrinkingwater,theymustbecleanedandsterilized.Themethodofchecking:observingthemuddydegreeofthecleaningwaterandexaminingthecheckingreport.CommonItems9.2.8Thecoordinate,elevationandgradeshouldbeaccordedwiththedesigningdemand.Theacceptableerrorsareasfollowingform9.2.8Form9.2.882\nAcceptableGradientandMethodofCheckingNumberItemAcceptableErrors(mm)MethodofChecking1CoordinateFoundryironpipeUnderground100CheckingwithstringandrulerInchannels50Steel,plasticorcompositepipesUnderground100Inchannelsoraboveground402ElevationFoundryironpipeUnderground+/-50CheckingwithstringandrulerInchannels+/-30Steel,plasticorcompositepipesUnderground+/-50Inchannelsoraboveground+/-303Thebendingoflevelpipe,portraitorlandscapeorientationFoundryironpipeStraightpart(morethan25m)Fromthestarttotheend40CheckingwithstringandruleSteel,plasticorcompositepipesStraightpart(morethan25m)Fromthestarttotheend509.2.9Thelacqueronthepipesandmetalbracketshouldbefine.Looseness,unevenness,flowingandlacquer-missingarenotallowed.Methodofchecking:observingandcheckingonthefield.9.2.10Theconnectingofthepipesmustbeaccordedwiththedemand.Theinstallmentofthevalve,andwatermetermustbecorrect.Thewatermeter,valveorsomefittingsontheplasticpipescannotbeinstalledonpipes.Whenthediameterismorethanorequalto50mm,independentsupportingdeviceisneeded.Methodofchecking:observingandcheckingonthefield.9.2.11Whenthewater-supplyingpipesandthemuddywaterpipeswithdifferentelevationsareparallelandtheverticaldistancebetweenthemiswithin500mm,ifthediameterofwater-supplyingpipeisnotmarethan200mm,thehorizontaldistancecannotlessthan1.5m;ifthediameterismorethan200mm,thedistancecannotlessthan82\n3m.Methodofchecking:observingandmeasuringwithruler.9.2.12Theclearanceofthefoundryironpipesplicingjuncturesonthefaucetshouldnotlessthan3mm,andthemaximumoftheclearancecannotmorethanthefollowingsinform9.2.12Form9.2.12TheMaximumofClearanceDiameter(mm)LayinbeelineLayincurve7545100-25057-13300-500614-22Methodofchecking:measuringwithrulers9.2.13Whenthefoundryironpipeislaidinbeeline,theclearanceshouldbeaccordedwiththeregulationinfollowingform9.2.13;ifthepipesarelaidincurve,2degreesisallowedineachconnectingpart.Form9.2.13TheRoundClearanceoftheSplicingJuncturesintheFaucetoftheCastIronPipesDiameter(mm)Standardclearance(mm)Acceptableerrors75-20010+3-2250-45011+4-250012+4-2Methodofchecking:measuringwithrulers.9.2.14Theoilandhempmaterialsinsplicingjuncturesmustclean.Aftertheyarefilledin,thedepthshouldaccountfor1/3ofthewholedepthoftheclearance.Methodofchecking:observingandmeasuringwithrulers.9.2.15Theintensityofcementforsplicingjuncturesshouldnotlessthan32.5MPa.Thecementofclearanceshouldbeefficient.Thedepththatislowerthantheedgeoffaucetshouldnotmorethan2mm.Methodofexamining:observingandmeasuringwithrulers.9.2.16Whenthewater-supplyingpipesmadeoffoundryironareused,theconnectingpartsmustbeplasteredwithasphaltumifcorrosivegroundwaterisfoundatthefieldwherethepipesareinstalled.MethodofCheckingandMaintaining:observation.9.2.17Thecolloidandtheharlstrings,orthesawdustwithasphaltumshouldbeusedtoclosethejunctureoftherubberwreathsofthewatersupplyingpipesintheplaceswherethesoilortheundergroundwatermayrottenthepipes.ThejunctureoftherubberwreathsshouldnothavedeflexedangleswhosedegreesarenotinaccordancewiththeregulationsintheForm9.2.17.Form9.2.17ThePermittedMaximumDeflexedAnglesoftheJuncturesontheRubberWreathsThemetricdiameter10012515020025030035040082\n(mm)Thepermitteddegreesoftheangles5º5º5º5º4º4º4º3ºMethodofCheckingandMaintaining:observationandmeasuringwiththerulers.9.3TheInstallationoftheJointingMachineoftheFireWaterPumpsandtheOutdoorsFireHydrantTheMainItems9.3.1Thewaterpressureexperimentsshouldbeconducted,andtheexperimentalpressureshouldbeoneandahalftimesoftheworkingpressurebutbenolessthan0.6MPa.Themethodofcheckingandmaintaining:undertheexperimentalpressure,thedropofthepressurein10minshouldbenomorethan0.05MPa,andthenafterpressuredroppedtotheworkingone,thepressureshouldbestableandtherearenosuchphenomenaasoozingorleaking.9.3.2Beforethefirehydrantisfinished,thepipesofitshouldbewashed.Themethodofcheckingandmaintaining:observingtheturbidityofthewaterthathasflushedthepipes.9.3.3Thepositionofthejointingmachineofthefirepumpsandtheoutdoorsfirehydrantshouldbeobviouslymarked.Andthepositionofthefirehydrantshouldbeconvenientfortheoperations.Whenthejointingmachineofthefirepumpsandtheoutdoorsfirehydrantshouldbehungonthewall,ifthereisnospecialdemandinthedesign,theheightofthemouthofthefirehydrantforthewater’sflowinginoroutshouldbefixed1.01mtotheground,andthereshouldbehitproofingobjectsabovethem.Themethodofcheckingandmaintaining:observingandmeasuringwithrulers.TheCommonItems9.3.4Thesizeofthejointingmachineofthefirepumpsandtheoutdoorsfirehydrantintheprocessofinstallationshouldbeinaccordancewiththeregulationsinthedesign.Andthepermittederrorsoftheheightofthemouthofthefirehydrantsshouldbe+/-20mm.ThemethodofCheckingandMaintaining:measuringwithrulers.9.3.5Theuppermouthoftheundergroundjointingmachineofthefirepumpsortheoutdoorsfirehydrantwhichisforthewatertoflowinshouldbeinstalledlessthan400mmtotheunderfaceofthecoverboardonthemouthofthefirewell,andthereshouldbeleftenoughspacefortheoperationsandladder.Inthecoldareas,the82\ncold-proofmeasuresshouldbedoneinthewells.Themethodofcheckingandmaintaining:observingandmeasuringwithrulers.9.3.6Thesafevalvesandthereturningwaterproofingvalvesofthejointingmachineofthefirepumpsshouldbeinstalledintherightpositionandtotherightdirection,andtheopenandcloseofthevalvesshouldbeflexible.Themethodofcheckingandmaintaining:observingandpullingwiththehands.9.4TheChannelsofthePipesandtheInterSpaceoftheWellsTheMainItems9.4.1Thehandlingofthebaseofthechannelsofthepipesandthegroundsillofthewellshouldbeinaccordancewiththedemandsinthedesign.Themethodofcheckingandmaintaining:observingonthespot.9.4.2Thecoverofvariouswellsshouldbeinaccordancewiththedemandsinthedesign,andthereshouldbeillustrations.Thecoversshouldnotbemisused.Themethodofcheckingandmaintaining:observingonthespot.9.4.3Thewellsundertheroadsforthevehiclesorinthecommunitiesshouldbecoveredbytheheavycoversandwellwreaths.Theupperfaceshouldbelevelwiththefaceoftheroad.Thepermittederrorshouldbe+/-5mm.Thewellcoversandwreathsingrassbandandtheplaceswithnotrafficcanbelightones,andtheupperfaceofthecovershouldbe50mmhigherthanthefaceoftheground.Aroundprotectingslopeshouldbemadearoundthecoverwiththegradientof2%.Themethodofcheckingandmaintaining:observingandmeasuringwithrulers.9.4.4Thewellwreathmadeofconcreteshouldnotbeplaceddirectlyonthewallofthewell.Aconcretecushionlayerofnolessthan80mmshouldbemadeonthewallofthewells.Themethodofcheckingandmaintaining:observingandmeasuringwithrulers.TheCommonItems9.4.5Thecoordinateandpositionofthechannelsandtheelevationofthebottomofthechannelsshouldbeinaccordancewiththedesign.Themethodofcheckingandmaintaining:observingandmeasuringwithrulers.9.4.6Thebottomlayerofthechannelsshouldbetheoriginalsoilorthetampedsoil.Thebottomlayerofthechannelsshouldbesmooth,andthegradientshouldbeslowandfluentwithoutanyhardobjects,suchasstones.Themethodofcheckingandmaintaining:observing.9.4.7Ifthegroundofthechannelsisrock,theclumpsofstonesorthelayerofgravels,thebottomofthechannelshouldbedugmore100~200mmandbelaidsandorthe82\ndustwithitsgrains’diameterlessthan5mm.Andthepipesshouldbelaidonlyafterthesoiltampedtotheelevationofthebottomifthechannel.Themethodofcheckingandmaintaining:observingandmeasuringwithrulers.9.4.8Thespacethathasaheightof200mmtotheheadofthepipesshouldbefilledthewithsandortheearthwithoutblocksorfrozenblocks,andtheworkoffillingbackcannotbedonebythemachines.Thespacethathasaheightof500mmtotheheadofthepipesshouldbefilledwiththeblocksorfrozenblockswhosediametersaremorethan100mm.Thespacethathasaheightmorethan500mmtotheheadofthepipesshouldbefilledwiththeblocksorfrozenblocksthatdonotcenter.Whenthemachinesareusedtofillintheearthtocoverthepipes,theyshouldnotbedrivenonthechannels.Themethodofcheckingandmaintaining:observingandmeasuringwithrulers.9.4.9Theconstructionoftheinnersideofthewellshouldbeinaccordancewiththedemandsofthedesignorthegivenstandardblueprints.Whentheelevationofthebottomofthewellisabovethesurfaceoftheundergroundwater,thebaseshouldbethetampedpureearth.Whentheelevationofthebottomofthewellisunderthesurfaceoftheundergroundwater,thebaseshouldbetheconcreteboard,100mmthick.Andintheprocessofconstruction,theconcretestarchysandshouldbeused.Andafterplastered,thewallofthewellshouldbewaterproofing.Themethodofcheckingandmaintaining:observingandmeasuringwithrulers.9.4.10Thespotwherethepipesrunthroughthewallofthewellsshouldbefilledtightlyandbeplasteredsmoothly,withoutleaking.Themethodofcheckingandmaintaining:observing.82\n10TheInstallationoftheOutdoorsNetoftheDrainpipes10.1TheBasicRegulations10.1.1Thischapterisapplicabletothecheckingofthequalityoftheinstallationoftheoutdoorsnetofdrainpipesinthecivilbuildings(thecommunities)andoutsidethefactories.10.1.2Theconcrete,RC,castironorplasticdrainpipesshouldbeusedastheoutdoorsdrainpipes.Andtheirstandardandqualityshouldbeinaccordancewiththecurrentnationalstandardanditdemandsindesign.10.1.3Thedemandsoftheearthworkofthechannelsofthedrainpipesandthewell,thehandlingofthebottomofthewell,thehandlingofthespotwherethepipesrunthroughthewallofthewellsandtherefillingoftheplacearoundthewellshouldbeinaccordancewiththeregulationstotheworkconcerningwatersupplyingpipesandthewells.10.1.4Theconstructionofallkindsofdrainingwellspoolsshouldbedoneaccordingtothestandardblueprintsofthedesign.Allkindsofdrainingwellsandseptictanksshouldhavetheconcretebaseboard(excepttherainwell)withtheheightofnolessthan100mm.10.2TheInstallationoftheDrainpipesTheMainItems10.2.1Thegradientofthedrainpipesshouldbeinaccordancewiththedemandsinthedesign.Theconstructionofdrainpipeswithoutgradientorwithslopesintheoppositedirectionisstrictlyforbidden.Themethodofcheckingandmaintaining:measuringwithwaterlevel,pullinglinesandrulers.10.2.2Beforetheburialofthepipes,thewaterpouringexperimentandtheexperimentoflettingwaterflowinshouldbeconducted.Andtheprocessofdrainingshouldbefluentandwithoutblock.Thejuncturesofthepipesshouldnotleakwater.Themethodofcheckingandmaintaining:theexperimentsshouldbedoneinsectionsaccordingtothedrainingofwater,andthesourceoftheexperimentalwatershouldbe1mhigherthanheadoftheupperpartofthepartunderexperiment,withtheexperimentaltimenolessthan30minutes,andtheobservationshouldbeconductedpartbypart.TheCommonItems10.2.3Thecoordinatesofthepipesandtheirelevationshouldbeinaccordancewiththedemandsinthedesign,andthepermittederrorsshouldbeinaccordancewiththeregulationsintheForm10.2.3.82\nForm10.2.3ThePermittedErrorsintheInstallationoftheOutdoorsDrainpipesandtheMethodofCheckingandMaintainingNumberItemsThePermittedErrors(mm)TheMethodofCheckingandMaintaining1ThecoordinatesBuriedundertheground100UsingthepullinglinesandtherulersLaidinthetroughorthechannel502TheelevationBuriedundertheground+/-20Usingthegradienter,pullinglinesortherulerstomeasurethelengthLaidinthetroughorthechannel+/-203ThebendinthehorizontalortheverticaldirectionofthehorizontalpipesEvery5m10UsingthepullinglinesandtherulersThetotallength(betweeneverytwowells)3010.2.4Whenconcretesplicingjuncturesisusedinthecastirondrainpipes,theoilhempshouldbetightlystuffedintothem.Theconcreteinthejuncturesshouldbecloseandfull.Theinterfaceofthejunctureshouldbeconcaveintothefaucetwiththedepthnomorethan2mm.Themethodofcheckingandmaintaining:observation.10.2.5Therustshouldberemovedbeforethecastirondrainpipesareinstalled,andthemshouldbepaintonpetrolpitch.Themethodofcheckingandmaintaining:observation.10.2.6Thepipeswhichhavefaucetsinthemareinstalled,thefaucetsofthepipesandthetubesshouldbeintheoppositeofdirectionoftheflowofthewater.Themethodofcheckingandmaintaining:observation.10.2.7WhentheconcreteortheRCpipesarejointedbytheerasebands,theoperationsshouldbeinaccordancewiththefollowingregulations:1.Beforebandingthemouthofthepipes,thegrossoutsidethepipesshouldbe82\ncleaned.Whenthediametersofthepipesarenomorethan500mm,theprocedurecanbedoneatonce,butwhenthediametersofthepipesaremorethan500mm,theprocedureshouldbedoneintwoparts,andthereshouldnotbeanycrackonthebands.1.Thenetofthesteelstringsshouldbeplacedunderthepipesbeforethepipesareinstalled.Whenthestarchysandareplastered,thenetofthesteelstringsshouldbetightpressed,withoutanypartofitexposedoutside.2.Thethicknessofthebandshouldbenolessthanitofthewallofthepipes,andtherecommendedthicknessis80to100mm.Themethodofcheckingandmaintaining:observationandmeasuringwithrulers.10.3TheChannelsoftheDrainpipesandtheWellsTheMainItems10.3.1Thehandlingofthebaseofthechannelsandtheintensityofthebaseboardshouldbeinaccordancewiththedemandsinthedesign.Themethodofcheckingandmaintaining:observation,measuringwithrulersandcheckingthereportconcerningtheintensityoftheconcrete.10.3.2Thebaseboardofthewellsandtheseptictank,andtheelevationoftheinandoutwaterpipesshouldbecheckedafterthewaterdrained.Theresultshouldbeinaccordancewiththedemandsinthedesign,andthepermittederroris+/-15mm.Themethodofcheckingandmaintaining:measuringwiththegradientersandrulers.TheCommonItems10.3.3Thestandard,sizeandpositionofthewellsandpollsshouldbecorrect,andtheconstructionandtheplastershouldbeinaccordancewiththedemands.Themethodofcheckingandmaintaining:observationandmeasuringwithrulers.10.3.4Thecoverofthewellsshouldbecorrectlychosen.Themarksonthemshouldbeobviousandtheelevationshouldbeinaccordancewiththedemandsinthedesign.Themethodofcheckingandmaintaining:observationandmeasuringwithrulers.82\n11TheInstallationoftheOutdoorsNetofHeatingPipes11.1TheBasicRegulations11.1.1Thischapterisapplicabletotheworkofcheckingthequalityoftheinstallationoftheheatingpipes’netinthefactoriesandthecommunities(forresidence),whichhasafullsteampressurelessthan0.7MPaandatemperatureofhotwaterlessthan130degreescentigrade.11.1.2Thematerialsoftheheatingpipesshouldbeinaccordancewiththedemandsinthedesign.Whenthereisnospecialdemandinthedesign,theyshouldbeinaccordancewiththefollowingregulations:1.Whenthediametersofthepipesarenomorethan40mm,theweldedsteelpipesshouldbeused.2.Whenthediametersofthepipesareatsomewherebetween50~200mm,theweldedsteelpipesorthepipeswithoutseamsshouldbeused.3.Whenthediametersofthepipesaremorethan200mm,thehelicalweldedpipesshouldbeused.11.1.3Theoutdoorsheatingpipesshouldbeweldedtogether.11.2TheInstallationofthePipesandTheirFittingsTheMainItems11.2.1Thetypes,standardsandthemetricpressureofthebalancingvalvesandtheadjustingvalvesshouldbeinaccordancewiththedemandsinthedesign.Aftertheinstallation,theyshouldbedebuggedaccordingtothedemandsofthesystemandbemarked.Themethodofcheckingandmaintaining:referringtotheblueprintandthecertificateofqualityoftheproductandobservingonthespot.11.2.2Theprotractionintheheatoftheheatingpipesthatareburieddirectlyandwithoutcompensationandthereinforcementofthejuncturesinthreedirectionsshouldbeinaccordancewiththedemandsinthedesign.Themethodofcheckingandmaintaining:examinationandobservationonthespotofearth-refillingwork.11.2.3Thepositionofthecompensatorshouldbeinaccordancewiththedemandsinthedesign.Andthepre-protractionshouldbeinaccordancewiththedemandsinthedesignortheillustrationoftheproduct.Thebracketsofthepipesshouldbecorrectlypositedandstructured,inaccordancewiththedemandsinthedesign.Themethodofcheckingandmaintaining:referringtotheblueprintandcheckingtherecordofthepre-protraction.11.2.4Thewellandthepositionofthepipesattheentrancetothehomeshouldbecheckedtomakesurethattheyareconvenientfortheoperationandmaintaining.Thebrackets,suspenderandsplintshouldbestableandbeinaccordancewithdemandin82\nthedesign.Themethodofcheckingandmaintaining:referringtotheblueprintandobserving.11.2.5Thewarmkeepingofthepipesthatburieddirectlyshouldbeinaccordancewiththedemandsinthedesign.Whenthejuncturessparkle,thethicknessofthejunctureshouldbethesameasitofthewarmkeepinglayerofthepipes.Andtheprotectinglayerofthejuncturesshouldbeintegratedwiththepipesandbeinaccordancewiththedemandsmoistureproofandwaterproof.Themethodofcheckingandmaintaining:referringtotheblueprintandobserving.TheCommonItems11.2.6Thegradientofthepipesthatlaidlevellyshouldbeinaccordancewiththedemandsinthedesign.Themethodofcheckingandmaintaining:referringtotheblueprintandmeasuringwithgradienter(orthehorizontalrulers),pullinglinesandrulers.11.2.7Theinnerstructureofthecleanershouldbeinaccordancewiththedemandsinthedesign,anditshouldbefixedintherightdirectionandplace.Andafterthewebinthepipesidcleaned,thetrashinitshouldberemoved.Themethodofcheckingandmaintaining:openingtheleaningmouthandchecking.11.2.8ThepermittederrorsintheinstallationoftheoutsideheatingpipesshouldbeinaccordancewiththedemandsinForm11.2.8.Form11.2.8ThePermittedErrorsintheInstallationoftheOutsideHeatingPipesNumberItemsThePermittedErrorsTheMethodofCheckingandMaintaining1Thecoordinates(mm)Laidinthechannelsorsupported20Measuringwithgradient(horizontalrulers),rulersandpullinglinesBuriedintheground502Theelevation(mm)Laidinthechannelsorsupported+/-10MeasuringwithrulersBuried+/-153ThebendoftheverticalpipesintheEvery1mThediameter≤100mm1Measuringwithgradient(horizontalrulers),rulersandpullinglines82\nverticalorleveldirection(mm)Thediameter>100mm1.5Totallength(25mm)Thediameter≤100mm≯13Thediameter>100mm≯254ThebentpipesEllipticity(Dmax-Dmin)/DmaxThediameter≤100mm8%UsingthepincersormeasuringwiththerulersThediameter>100mm5%Thedegreeoftheroughnessofcockles(mm)Thediameter≤100mm4Thediameter=125~200mm5Thediameter=250~400mm711.2.9ThepermittederrorsoftheweldedjuncturesofthepipesshouldbeinaccordancewiththeForm5.3.8.11.2.10Thequalityofthepipesandtheseamsoftheweldedpartshouldbeinaccordancewiththefollowingregulations:1.Theformandthesizeoftheweldedseamsshouldbeinaccordancewiththedemandsintheblueprintsandthetechnicaldocuments.Theheightoftheseamshouldnothigherthanthesurfaceofthepipesandthetransitionfromtheseamstothepipesshouldbesmooth.2.Theseamsorthesurfaceofthepartundertheinfluenceofheatshouldhavenocracks,meltedparts,thepartsthathavenotyetbeenweldedcompletely,dust,concavesorthelittleholesmadebyair.Themethodofcheckingandmaintaining:observation.11.2.11Thewatersupplyingpipesandthesteampipes,ifthereisnospecialdemandsinthedesign,shouldbelaidontherightsideorabovethemediumofheat’headingdirection.Themethodofcheckingandmaintaining:referringtotheblueprintandobserving.11.2.12Thepositionofthepipesinthechannelsunderthegroundshouldbeinstalledwithapuredistance(theoutsidefaceofthewarmkeepinglayer)thatinaccordancewiththefollowingregulations:Tothewallofthechannel100~150mmTothebottomofthechannel100~200mmTotheceilingofthechannel(notforgoingthrough)50~100mm82\n(forgoingthroughorhalffor)200~300mmThemethodofcheckingandmaintaining:measuringwithrulers.11.2.13Theheightofthesupportedpipes,ifthereisnospecialdemandsinthedesign,shouldbeinaccordancewiththefollowingregulations:1.Intheareaforfootpassengers,itshouldbenolessthantwoandahalfmeter.2.Intheareafortraffic,itshouldnotbelessthan4.5m.3.Intheareathatrunsundertherailway,itshouldnotbelessthan6mtotheheadoftherailway.Themethodofcheckingandmaintaining:measuringwiththerulers.11.2.14Thethicknessoftherotproofingpaintshouldbeeven,andthereshouldnotbesuchphenomenaasexuviations,vesicles,theflowingofthepaintandthemiss-outinpainting.Themethodofcheckingandmaintaining:observationbeforethewarmkeepprocedure.11.2.15ThepermittederrorsofthethicknessandsmoothnessofthewarmkeeplayerofthepipesshouldbeinaccordancewiththeregulationsintheForm4.4.8.11.3TheWaterPressureExperimentandDebuggingoftheSystemTheMainItems11.3.1Theexperimentalwaterpressureoftheheatingsystemshouldbeoneandahalftimesoftheworkingpressurebutnolessthan0.6MPa.Themethodofcheckingandmaintaining:thedropofpressureintenminutesshouldbenomorethan0.05MPa,andifthepressuredropstotheworkingone,thereshouldnotbesuchphenomenaasleakingandoozing.11.3.2Thepipeshouldbewashedafterthepressureexperiment.Themethodofcheckingandmaintaining:observingonthespotandthewatershouldnotbeturbid.11.3.3Theproceduresoflettingwaterflowingin,heating,experimentaloperationanddebuggingshouldbeconductedafterthepipesarewashed.Whentheprocedureofheatingisnotyetapplicable,itshouldbeputoff.Themethodofcheckingandmaintaining:measuringthetemperatureofthereturningwaterintheentranceoftheheatingsysteminbuildings.11.3.4Whenthewaterpressureexperimentsareconducted,valvesinthepipesunderexperimentsshouldbeopen.Andthepipesunderexperimentsshouldbehepipesunderexperimentsseparatedfromtheotherones.Themethodofcheckingandmaintaining:openingandclosingthevalves.82\n12TheInstallationoftheWaterSystemintheBuildingsandtheSwimmingPoolSystem12.1TheBasicRegulations12.1.1ThematerialsofthesourcewaterpipesinthefreshwatersystemsandtheirfittingsshouldbeinaccordancewiththeregulationsintheChapter5.12.1.2ThecheckingstandardsofthewatersupplyingpipesandthedrainpipesofthefreshwatersystemshouldbeinaccordancewiththeregulationsintheChapter4and5.12.1.3TheinstallationofthedrainpipesoftheswimmingpoolsystemsanditscheckingstandardsshouldbeinaccordancewiththeconcernedregulationsintheChapter5.12.1.4TheinstallationoftheheatingpipesoftheswimmingpoolsystemsanditscheckingstandardsshouldbeinaccordancewiththeconcernedregulationsintheChapter5.12.2TheInstallationofthePipesofthefreshwaterSystemsintheBuildingandTheirSupportingEquipmentsTheMainItems12.2.1Thehigherwatertanksofthefreshwatershouldnotbepositedinthesameroomasthehigherwatertanksofthecommonwater.Iftheconditionisnotpermittedforthetwokindsoftankstobeinthedifferentrooms,thepuredistancebetweenthetwokindsoftanksshouldbemorethan2m.Themethodofcheckingandmaintaining:observationandmeasuringwiththerulers.12.2.2Thewatersupplyingpipesofthefreshwatersystemsshouldnotbeinstalledwithscoops.Theclosedtypesofequipmentsorinstrumentsshouldbeusedinflushingtheclosestools.Thehungorundergroundwater-supplyinghydrantshouldbeusedintheworkofirrigating,sprinklingandthewashingofthevehicles.Themethodofcheckingandmaintaining:observation.12.2.3Thewatersupplyingpipesofthiskindofsystemsshouldnotbeconnectedtothewatersupplyingsystemsfortheeverydayuse.Andthefollowingmeasuresshouldbetaken:1.Theouterfaceofthepipesofthissystemshouldbepaintgreenasthemark.2.Thepools(ortanks),valves,watermeterandthewatersupplyinghydrantshouldbemarkedwiththeword,“freshwater”.Themethodofcheckingandmaintaining:observation.12.2.4Thepipesshouldnotbehiddeninthewallorthefloor.Iftheymustbethusinstalled,theremustbeobviousandenduringmarksonthepipes.Themethodofcheckingandmaintaining:observation.82\nTheBasicRegulations12.2.5Therot-enduringwatersupplyingpipesandmaterialsshouldbeusedasthefreshwaterpipesandtheirfittings.Themethodofcheckingandmaintaining:observation.12.2.6Whenthepipesandwaterpipesanddrainpipesareburiedparallel,thepuredistancebetweenthemshouldnotbelessthan0.5m.Whentheyarelaidcrossed,thefreshwaterpipesshouldbeunderthewaterpipesandabovethedrainpipes,andthepuredistancebetweeneachtwoofthemshouldbenolessthan0.15m.Themethodofcheckingandmaintaining:observationandmeasuringwithrulers.12.3TheInstallationoftheSwimmingPoolWaterSystemsTheMainItems12.3.1Thewatersupplyingscoops,returningwaterscoopsanddrainingscoopsshouldbemadeofrot-proofingsteel,stainlesssteelorplastic.Theoverflowtroughandgridsshouldbemadeofrot-proofingmaterialsandshouldbeassembledtogether.Intheprocessofinstallation,theirouterfaceshouldbelevelwiththefaceofthewallorthebottomofthepools.Themethodofcheckingandmaintaining:observation.12.3.2Thehairgathererintheswimmingpoolsshouldbemadeofrot-proofingsteelorstainlesssteel.Thediameteroftheholesinthefiltercanister(web)shouldbenomorethan3mm.Andtheacreageofthefiltercanister(web)shouldbe1.5~2timesofthesectionalacreageofthepipes.Themethodofcheckingandmaintaining:observationandmeasuringwithrulers.12.3.3Thereshouldbesomeeffectivemeasurestakenontheflooraroundtheswimmingpooltopreventthewashingwaterflowintotheswimmingpool.Themethodofcheckingandmaintaining:observation.TheBasicRegulations12.3.4Thedissolvingpoolsforpouringmedicine(coagulant),thesolutionpoolandthemachinethatpourmedicineintothepoolsoftheswimmingpoolsystemshouldbemadeofrotproofingmaterials.Andthepipesthattransportthesolutionshouldbemadeofplastic,rubberorcopper.Themethodofcheckingandmaintaining:observation.12.3.5Thewatersupplying,medicinepouring,overflow,recyclinganddrainingpipesofthefeet-dippingandwaist-dippingpoolintheswimmingpoolsystemshouldbemadeofrotproofingmaterials.Themethodofcheckingandmaintaining:observation.82\n13TheInstallationoftheHeatingBoilerandItsSupportingEquipments13.1TheBasicRegulations13.1.1Thischapterisapplicabletotheinstallationofthesteamandhotwaterfurnacefortheheatandhotwatersupplyinginthebuildings,whichhaveaworkingpressurenomorethan1.25MPaandahotwatertemperaturenomorethan130degreescentigrade,andalsothecheckingandacceptanceofthequalityoftheinstallation.13.1.2Thecheckingandacceptanceoftheboilersthatareconcernedinthischapter,inadditiontobeingaccordancewiththeregulationsinthischapter,shouldalsobeaccordedwiththeconcernednationalregulations,thestandardproceduresandthenationalstandards.13.1.3Thewarmkeepingproceduresofthepipes,equipmentsandthecontainersshouldbeconductedaftertheygottheireligibilityintherotproofingandwaterpressureexperiments.13.1.4Thewarmkeepinglayerofthewarmkeepingequipmentsandcontainersshouldbefixedbythewarmkeepingfeltingsnail.Andthedistancebetweeneachtwoofthemusuallyshouldbe200mm.Andwhentheweldedhookingsnailsareusedinfixingthewarmkeepinglayer,thedistancebetweeneachtwoofthemusuallyshouldbe250mm.13.2TheInstallationoftheBoilersTheMainItems13.2.1Thehardnessoftheconcretewhichisservedasthebaseoftheboilersshouldbeinaccordancewiththedemandsinthedesign.Andthebasiccoordinates,elevation,thegeometricalsizeandthepositionoftheholesfortheboltsshouldbeinaccordancewiththeregulationsintheForm13.2.1.Form13.2.1ThePermittedErrorsintheProcessofInstallingtheBoilersandTheirSupportingEquipmentsandtheMethodofCheckingandExaminationNumberItemsThePermittedErrors(mm)TheMethodofCheckingandExamination1Thepositionofthebasiccoordinates20Measuringwiththetheodolite,pullinglinesandrulers2Thebasicelevationofvariousplanes0,-20Measuringwiththegradienter,pullinglinesandtherulers82\n3Thesizeofthebasicplane20Measuringwithrulers4Thesizeoftheplaneontheconvexity0,-205Thesizeoftheconcave+20,06ThehorizontalityofthebasicupperplaneEverymeter5Measuringwiththegradienter(thehorizontalruler)orverticallinesandrulersThetotallength107TheerrorsintheverticaldirectionEverymeter5Measuringwiththetheodolite,verticallinesandrulersThetotalheight108Thepre-buriedfootingboltsTheelevation(thehead)+20,0MeasuringwiththewaterlevelorverticallinesandrulersThedistancetothecenterpoint(thebottom)29ThereservedfootingboltsThecenterpoint10MeasuringwiththerulersThedepth-20,0Theverticalityofthewalloftheholes10Measuringwiththeverticallinesandrulers10ThereservedmovablefootinganchorageboardThecenterpoint5MeasuringwiththepullinglinesandtherulersTheelevation+20,0Thehorizontality(theanchorageboardwithslots)5Measuringwiththehorizontalrulersandthewedge-shapedrulersThehorizontality(theanchorageboardwithwhirlingholes)213.2.2Theinstallationoftheimpressedboilershouldbestrictlyinaccordancewiththedemandsinthedesignortheinstructionstotheproduct.Theheadofthepotshouldbeopenorwithpipestotheairinstalled.Thereshouldnotbeanyvalvesinthe82\npipes.Themethodofcheckingandmaintaining:checkingwithreferencetotheblueprintortheinstructionbook.13.2.3Thedrainpipesofnaturalgasorairintheboilerswhichburnnaturalgasshouldnotdirectlyopentoair.Theyshouldleadtothestoringordisposingequipments.Themethodofcheckingandmaintaining:checkingwithreferencetotheblueprint.13.2.4Whentwoormorethantwoboilerswhichburnsoiluseonechimney,theflueofeveryboilershouldbeinstalledwithwindvalvesorbafflesandtheycouldbeadjustedandbelocked.Themethodofcheckingandmaintaining:observingandpullingwiththehands.13.2.5Thepotsoftheboilers,thelowestfilthdrainingvalvesandpipesofthelowergatheringtrunksofthewater-coolingwall,andthelowestfilthdrainingvalvesandpipesofthereargatheringtrunksoftherearcanopyingpipesshouldnotbeconnectedintheformofwhorl.Themethodofcheckingandmaintaining:observation.13.2.6Whenthesteamandwatersystemsoftheboilersarecompletelyinstalled,thewaterpressureexperimentshouldbeconducted.AndthepressureshouldbeinaccordancewiththeregulationsintheForm13.2.6.Form13.2.6TheRegulationsConcerningtheExperimentalPressureintheWaterPressureExperimentsNumberNamesoftheEquipmentsTheWorkingPressureP(MPa)TheExperimentalPressure(MPa)1ThebodyoftheboilerP<0.591.5P,butnolessthan0.20.59≤P≤1.18P+0.3P>1.181.25P2ThedisassemblecoalsavingmachineP1.25P+0.53TheboilerundernopressureTheatmosphericpressure0.2Note:1.Theworkingpressure(P)meanstheworkingpressureofthepotsinthecaseofthesteamboilers,buttheratedwaterpouringpressureinthecaseofthehotwaterboilers.2.Thewaterpressureexperimentofthecastironboilersshouldbesameasthehotwaterboilers.3.Theexperimentalpressureoftheboilersthatarenotunderpressureshouldbe0.2MPa,andthispressureshouldbekeptduringtheperiodofexperiment.Themethodofcheckingandmaintaining:1.Thedropofthewaterpressureintenminutesshouldbenomorethan0.02MPa,andthenwhenthepressureisdroppedtotheworkingone,thedropofthepressure,leakingand82\noozingarenotpermitted.2.Observation.Thegiblets,changesoftheform,andbeadsorfogdropsonthewall(orweldedseams)ofthecomponentsarenotpermitted.13.2.7Whentheinstallationoftherowsofthemechanicalboilersarecompleted,theexperimentoftheoperationundercoldconditionshouldbeconducted.Andtheyshouldnotworkforlessthan8hours.Themethodofcheckingandmaintaining:observingthewholeprocessoftheoperationexperiment.13.2.8Thequalityoftheweldingseamsoftheboilers’mainbodiesandtheirpipesshouldbeinaccordancewiththefollowingregulations:1.Thequalityofthesurfaceoftheseamsshouldbeinaccordancewiththeregulationsintheitem11.2.10.2.Thepermittederrorsofthesizeoftheweldedseamsshouldbeinaccordancewiththeregulationsintheitem5.3.8.3.Theresultoftheprocessthatprobesforthehurtswithoutharmingtheequipmentsshouldbeinaccordancewiththeconcerneddemandsinthedesignoftheboilers’mainbody.Themethodofcheckingandmaintaining:observationandthereportoftheresultoftheprocessthatprobesforthehurtswithoutharmingtheequipments.TheCommonItems13.2.9Thepermittederrorsofthecoordinates,elevation,centriclineandverticalityoftheboilersshouldbeinaccordancewiththeregulationsintheForm13.2.9.Form13.2.9ThePermittedErrorsinInstallingtheBoilersandtheMethodsofCheckingandExaminationNumberItemsThePermittedErrors(mm)TheMethodsofCheckingandExamination1Thecoordinates10Measuringwiththetheodolite,pullinglinesandrulers2Theelevation+/-5Measuringwiththetheodolite,pullinglinesandrulers3TheverticalityofthecentriclinesThetotalheightofthehorizontalboilers3Measuringwiththeverticallinesandrulers82\nThetotalheightoftheverticalboilers4Measuringwiththeverticallinesandrulers13.2.10ThepermittederrorsininstallingtheassembledrowsofchainboilersshouldbeinaccordancewiththeregulationsintheForm13.2.10.Form13.2.10ThePermittedErrorsinInstallingtheAssembledRowsofChainBoilersandtheMethodsofCheckingandExaminationNumberItemsThePermittedErrorsTheMethodsofCheckingandExamination1Thepositionofthecenteroftheboilerrows2Measuringwiththetheodolite,pullinglinesandrulers2Theelevationofthewall+/-5Measuringwiththewaterlevel,pullinglinesandrulers3Theverticalityandtotallengthofthewall3Measuringwiththeverticallinesandrulers4Themarginofthetwodiagonalsofthewall’sframe5Usingthesteelstringsandmeasuringwiththerulers5Theverticalpositionofthewall’sframe5Measuringwiththetheodolite,pullinglinesandrulers6TheverticalhorizontalityoftheceilingofthewallThelength1/1000and≯5Measuringwiththepullinglines,verticallinesandrulers7ThedistancebetweenthewallsThespan≤2m+30UsingthesteelstringsandmeasuringwiththerulersThespan>2m+508Themarginoftheheightoftheceilingofthetwowallboardsonthesameplane5Measuringwiththewaterlevel,verticallinesandrulers9TheverticalityofthefrontandrearaxesThelength1/1000Measuringwiththepullinglines,horizontallinesandrulers10Themarginofthe5Measuringwiththe82\nfront,rearaxisandtheaxislines’comparativeelevationwaterlevel,verticallinesandrulers11Thecomparativemarginofallthetracksonthesameplane5Measuringwiththewaterlevel,verticallinesandrulers12Thedistancebetweentheneighboringtwotracks+/-2Usingthesteelstringsandmeasuringwiththerulers13.2.11Thepermittederrorsininstallingtheto-and-frorowsoftheboilersshouldbeinaccordancewiththeregulationsintheForm13.2.11.Form13.2.11ThePermittedErrorsinInstallingtheTo-and-froRowsoftheBoilersandtheMethodofCheckingandExaminationNumberItemAcceptableError(mm)MethodofChecking1Comparativeelevationoftwoboards3Waterlevel,lineandruler2DistancebetweentwoboardsDistance≤2m+30SteelstringandrulerDistance>2m+403Degreeandfullheightoftwoboards3Lineandruler4Thedispersionofthetwocatercorners5Steellineandruler5Verticaldistancebetweenpiecesofboiler1Steelruler6Distancebetweenpiecesofboards213.2.12Thenumberofsidepiecescastironcoal-savingmachineshouldnotbemorethan5%ofthetotalnumberofsidepieces.Thenumberofthedamagedsidepiecesshouldnotbemorethan10%ofthetotalnumber.Duringtheinstallationofthebracketsofcastironcoal-savingmachine,theacceptableerrorsshouldbeinaccordedwiththefollowingregulationsinForm13.2.12.Form13.2.12AcceptableErrorsandMethodofCheckingintheInstallationofCastIronCoal-SavingMachineNumberItemAcceptableErrors(mm)MethodofChecking1Positionofbrackets3Theodolite,linesandrulers2Elevationofthebrackets0-5Waterlevel,linesandrulers3Thehorizontalityofthebracketsin1Thehorizontalityrulersandthe82\ntheverticalandhorizontaldirection(everymeter)gapgauge13.2.13Thelayofthegradientandthevalvesopenedintheslopes’directionintheboilers’mainbodyshouldbeinaccordancewiththedemandsinthedesignortheinstructionoftheproduct.Themethodofcheckingandexamination:checkingwiththehorizontalrulersorthegradienters.13.2.14Thewindhollowwhichlettingthewindinfromthebottomholemustbepluggedandsealedtightly.Themethodofcheckingandexamination:observation.13.2.15Theinstallationofthevalvesandpipesintheexit(ortheentrance)ofthecoalsavingmachineshouldbeinaccordancewiththedemandsinthedesignortheblueprintsoftheboilers.Themethodofcheckingandexamination:checkingwiththereferencetotheblueprints.13.2.16Thestructureoftheelectricallycontrolledvalvesshouldworkonthesameplanewiththeturningarmsoftheelectricalfunctionalparts.Theturningpartsshouldbeagile,withoutblocksorineffectiveturning,anditsturnandservicetimeshouldbeinaccordancewiththedemandsoftheuse.Themethodofcheckingandexamination:observationintheprocessoftheoperation.13.3TheInstallationoftheSupportingEquipmentsandthePipesTheMainItems13.3.1Thehardnessoftheconcretewhichservesasthebaseofthesupportingequipmentsshouldbeinaccordancewiththedemandsinthedesign.Thecoordinates,elevation,geometricalsizeofthebaseandthepositionofthebolts’holesshouldbeinaccordancewiththedemandsintheForm13.2.1.13.3.2Intheexperimentaloperationofthefans,thetemperatureoftheaxletreeshouldbeinaccordancewiththedemandsinthefollowingregulations:1.Thetemperatureoftheslidingaxletreeshouldbenomorethan60degreescentigrade.2.Thetemperatureoftherollingaxletreeshouldbenomorethan80degreescentigrade.Themethodofcheckingandexamination:checkingwiththethermometer.Theunilateralradialswingoftheaxletreeshouldbeinaccordancewiththedemandsinthefollowingregulations:1.Lessthan0.10mm,whentherotatespeedofthefansisunder1000r/min.2.Lessthan0.08mm,whentherotatespeedofthefansisintherangeof1000~1450r/min.Themethodofcheckingandexamination:checkingwiththeridemeter.13.3.3Beforetheinstallationoftheatmolycylinder(watergathererandwater82\nseparator),thewaterpressureexperimentshouldbeconducted.Theexperimentalpressureshouldbe1.5timesoftheworkingpressurebutbenolessthan0.6MPa.Themethodofcheckingandexamination:nosignsofpressure’sdroporleakingundertheexperimentalpressureintenminutes.13.3.4Beforetheinstallationofthemouth-openedjarsandtrunks,theexperimentoffillingwatershouldbeconducted.Andthepressureofthewaterpressureexperimentshouldbe1.5timesoftheworkingpressurebutbenolessthan0.4MPa.Themethodofcheckingandexamination:whenfilledwithwaterandkeptstablefor24hours,thejarsandtrunksshouldnotoozeorleakwater,andthereisnodropofwaterpressureundertheexperimentalonein10minutes,nosignsofoozingorleaking.13.3.5Theobturationtestshouldbeconductedbeforethedirectlyburiedoilcansareburiedintotheearth,withthedropofpressurenolessthan0.03MPa.Themethodofchecking:observingfor30minutesundertheexperimentalpressure,nosignsofseeping,leakingandpressuredecrease.13.3.6Aftertheinstallationofthetechnicalpipesconnectingboilerandassistantequipments,waterpressureexaminationmustbecarriedout.Theexperimentalpressureshouldbe1.5timesasthemaximumpressureofthesystem.Themethodofchecking:Undertheexperimentalpressure,thepressuredecreasecannotbeyond0.05MPa.Thendecreasethepressuretoworkingpressure,onsignsofseepingandleaking.13.3.7Thepuredistancebetweenmajorchannelsofthevariousequipmentsshouldnotbelessthan1.5m,ifthedesignisnotdefinite.Fortheassistantchannels,thisdistanceshouldnotbelessthan0.8m.Themethodofchecking:checkingwithrulers.13.3.8Theflanges,weldinglines,connectingpipesaswellasthemetersandthepositionofvalvesshouldbeeasyforchecking.Allofthosecan’tbetooclosetowall,stairsandpipesandbrackets.Themethodofchecking:observingandchecking.13.3.9Thequalityofthejointingpipesshouldbeaccordedwiththedemandsof11.2.10andthefollowingregulationsinForm5.3.8.CommonItems13.3.10Theacceptableerrorsintheinstallationofboilerassistantequipmentsshouldbeaccordedwiththeregulationsin13.3.10.Form13.3.10TheAcceptableErrorsinTheInstallationofBoilerAssistantEquipmentsNumberItemsAcceptableErrors(mm)MethodofChecking1IntroducedDraftFanandCoordinate10Theodolite,lineandruler82\nVentilatorElevation+/-5Theodolite,lineandruler2Variousimmobileequipments(variouscontainers,boxes,tinsandsoon)Coordinate15Theodolite,lineandrulerElevation+/-5Theodolite,lineandrulerVerticaldegree(1m)2Lineandruler3CentrifugalwaterpumpHorizontalityofpump0.1HorizontalrulerandspecialrulerThedegreeofconcentricityoftheclutchAxisincline(1m)0.8Waterlevel,percentmeter(measuringbolt)andrulerDisplacement0.113.3.11TheacceptableerrorsofinstallationofthetechnicalpipesconnectingboilerandassistantequipmentsshouldbeaccordedwiththefollowingregulationsinForm13.3.11.Form13.3.11AcceptableErrorsIntheInstallationofTechnicalPipesandMethodofCheckingNumberItemAcceptableerrors(mm)Methodofchecking1coordinateAboveground15Theodolite,lineandrulerGroundchannel102elevationAboveground+/-15Theodolite,lineandrulerGroundchannel+/-103ThebendofhorizontalpipesinverticalandhorizontaldirectionDN≤100mm2‰maximum50RulerandlineDN>100mm3‰,maximum704Verticalityoftheverticalpipes2‰,maximum15Lineandruler5Distancebetweenpipes3Ruler6Distancebetweenoutsidewallofcrosspipesandadiabaticlevel1013.3.12Theinstallationofliftingmachinewithsingledumpmustbeaccordedwiththefollowingregulations.1.Acceptableerrorsofthedistancebetweenleadingtrackscannotbelargerthan2mm.2.Theerroroftheverticaldegreeofverticalleadingtrackshouldnotbelarger82\nthan1‰;thegradientdegreeofthegradientleadingtrackshouldnotbelargerthan2‰.3.Thecentralpointofchuteandthecenterofgravityshouldbeonthesameverticalline.Thedegreeerrorshouldnotbelargerthan10mm.4.Theswitchshouldbeinstalledatthecorrectposition.Thedumpshouldrunstablyandturnflexibly.Themethodofchecking:checkingwithlineandrulers.13.3.13Wheninstallingboilerandwindmachine,themachinesshouldturnflexibly.Thetransmissionpartsshouldbeprotectedwithsecurityequipments.Themethodofchecking:observingandcheckingtheoperation.13.3.14Thecheckingofthesurfacequalityofwaterpump.Thereshouldnotbecracks,flaws,unevennessandsoon.Thebalanceablepipesofmulti-levelspumpshouldnotbedamaged.Themainpartsofpump,stopperandflexibleaxismustberuneasily.Themethodofchecking:observingandcheckingtheoperation.13.3.15Thehand-runpumpshouldbeinstalledvertically.Ifthereisnodemandsforinstallationheight.Thecenterofthepumpshouldbe800mmaboveground.Themethodofchecking:checkingwiththreadandrulers.13.3.16Duringtheexperimentaloperationofthewaterpump,theimpellersshouldnottouchthepimpshell.Thevalvesattheentranceandexitmustbeflexible.Theincreaseofthetemperatureofbearingshouldinaccordancetothedemandsinthedesigningpaper.Themethodofchecking:turnontheelectricityandrunthewaterpump.Thencheckthetemperature.13.3.17Theheightofaffusionmachine:ifthereisnotspecialdemands,theenterofthemachineshouldbe1.0-1.2maboveground.Themethodofchecking:checkingwithrulers.13.3.18Theinstallationofdust-cleanershouldbestableandfirm.Thepositionandthedirectionofitsentranceandexitshouldberight.Softtie-inshouldbeusedattheconnectingpartbetweenthesmokepipeandwindmachine.Thesmokepipecannotbeplacedonthewindmachine.Themethodofchecking:observingandchecking.13.3.19Wheninstallingtheheatdeoxidizationmachineandvacuumdeoxidizationmachine,theirvent-pipesshouldgotowardsoutdoorsfordirectexhaust.Themethodofchecking:observingandcheckingaccordingtotheinstructionbook.13.3.21TheacceptableerrorsofthethicknessofthepipesandheatpreservationlevelandtheplainnessshouldbeinaccordancetothefollowingregulationsinForm4.4.8.13.3.22Beforebeingpainted,thepipesandsurfaceoftheequipmentsmustbecleaned.Thethicknessofthepaintshouldbeeven.Thecast,unevenness,flowing,andmissingarenotallowed.Themethodofchecking:observingandcheckingatthespot.82\n13.4TheInstallationofSecurityFittings13.4.1Thepressureanditsadjustmentoftheboilerandcoal-savingmachineshouldbeinaccordancetothefollowingregulationsinForm13.4.1.Whentherearetwovalvesontheboiler,oneisunderthehigherpressureintheform,andtheotheroneisunderthelower.Whenthereisonlyonesafetyvalve,thelowerpressureshouldbeadopted.Form13.4.1TheRegulationsConcerningtheDeterminationoftheValves’PressureNumberEquipmentWorkingPressureForSafetyValve1SteamBoilerWorkingpressure+0.02MPaWorkingpressure+0.04MPa2HotWaterBoiler1.12timesasworkingpressure,notlessthanworkingpressure+0,07MPa1.14timesasworkingpressure,notlessthanworkingpressure+0.10MPa3Coal-SavingMachine1.1timesasworkingpressureThemethodofchecking:checkingaccordingtothepressurecertificate.13.4.2Theextremeofthescaleofpressuremetershouldbelargerthanorequaltothe1.5timesastheworkingpressure.Themethodofchecking:observingandcheckingwithrulersatthespot.13.4.3Theinstallationofwatergaugeshouldbeinaccordancetofollowingregulations.1.Theobviousmarksindicatingthehighestandlowestlevelofwateraredemandedonthewatergauge.Thelowestvisibleedgeofglassboard(orpipe)shouldbe25mmlowerthanthelowestsafelevelofwater;thehighestvisibleedgeshouldbe25mmhigherthanthehighestsafelevelofwater.2.Theglass-madewatergaugeshouldbeequippedwithprotectingsettings.3.Thezeropointofelectricalwatergaugeshouldbeattheexactlevelasnormalwaterlevelinboiler.4.Whenthetwo-colorwatergaugeisused,eachboilerispermittedtobeinstalledwithonlyonewatergauge.Theotheroneisinstalledwithnormalwatergauge.5.Thestopper(orvalve)andofflettosafeplacearenecessaryforwatergauge.Themethodofchecking:observingandcheckingwithrulers.13.4.4Theannunciatorsforwaterlevelintheboilerandfortemperatureandpressureshouldbeinstalledasdemandsandbetestedeffective,aswellastherelatedprotectingsettings.Themethodofchecking:operating,testingandrecording.13.4.5Thevent-pipeisdemandedwhenthesteamboilerisinstalled.Theoffletofthesafetyvalveofthehotwaterboilershouldbeplacedatsafeplace.Novalvesarepermittedatthevent-pipesandofflets.Themethodofchecking:observingandchecking.82\nTheCommonItems13.4.6Theinstallationofpressuremetermustbeaccordedwithfollowingregulation.1.Thepressuremetermustbeinstalledattheplacewhereisconvenienttoobserveandclean.Atthesametime,itmustbekeptfromtheeffectofhightemperature,frostandvibration.Lightmustbeenough.2.Thepressuremetermustbecompaniedbywatersyphon.Whenthewatersiphonismadeofsteelpipe,theinnerdiametermustnotlessthan10mm;whenitisbemadeofcopperpipes,innerdiametermustnotlessthan6mm.3.Betweenthepressuremeterandwatersiphon,threestoppersareneeded.Themethodofchecking:observingandcheckingwithrulers.13.4.7Whensource-collectingcomponentsareinstalledatthehorizontaltechnicalpipes,thepositionofthepressurenozzleshouldbeinaccordancetothefollowingregulations.1.Ifthepressuremeterisformeasuringliquidpressure,thepositionshouldbewithintherangefrom0degreeto45degrees,formedbythelowerhalfoftechnicalpipesandthehorizontalcentrallineofthepipe.2.Ifthepressuremeterisformeasuringsteampressure,thepositionshouldbewithintherangefrom0degreeto45degrees,formedbytheupperhalfoftechnicalpipesandthehorizontalcentrallineofthepipe.3.Ifthepressuremeterisformeasuringgaspressure,thepositionshouldbeattheupperpartofthepipe.Themethodofchecking:observingandcheckingwithrulers.13.4.8Theinstallationofthermometermustbeaccordedwithfollowingregulations.1.Thebottomofthermometer,whichisinstalledatpipesandequipments,shouldentertheliquidmaterials.Thethermometercannotbeinstalledattheoutsidepartofthepipeordeadangle.2.Theacapillarytubeofpressurethermometershouldbefastenedandprotectedverywell.Thesemidiameteroftheturningpartshouldnotbelessthan50mm.Wrappedpartmustbeinthemedium.3.Theprotectingpipeofthermocouplethermometershouldreachthedemandeddepth.Themethodofchecking:observingandcheckingwithrulers.13.4.9Whenthethermometerandpressuremeterareinstalledatthesamepipe,accordingtothedirectionofmedium,thethermometershouldbeinstalledatthelowerpartofthepressuremeter.Ifthethermometerwereneededtobeinstalledattheupperpartofthepressuremeter,thedistancebetweenthemshouldnotbelessthan300mm.Themethodofchecking:observingandcheckingwithrulers.13.5Baker,BoilerandtheExperimentalOperation13.5.1Theboilerofbakershouldbeinaccordancetofollowingregulations:1.Thefireshouldbeburninginthecenterofthehearth,notdirecttowardsthe82\nwalloftheboiler.2.Thetimeforbakingthefurnaceshouldnotbelessthan4d.Raisingthetemperatureslowly.Thenatthefinalperiod,thetemperatureshouldnotbehigherthan160degreescentigradeandthelastingtimeshouldnotbelessthan24h.3.Thechainoftheboilershouldbeturnedregularly.4.Duringthemidandlaterperiod,thedustshouldbecleanedaccordingtothesituationofthewaterintheboiler.Themethodofchecking:measuringthetemperatureaccordingtotimeandobservingandcheckingtheoperation.13.5.2Aftertheboilerhasbeenbaked,thefollowingregulationsmustbefulfilled.1.Afterbeingburned,thewallofboilerdon’texperiencedistortion,spiltanddent.2.Themoisturepercentageofthesandslurryofthewallisunder7%.Themethodofchecking:checkingandobservingtheresult.13.5.3Aftertheboilerbeingtestedqualifiedthroughbakingandboiling,itshouldrun48hunderburthen.Atthesametime,theheatsituationofsecurityvalveshouldbeingtestedandadjusted.Themethodofchecking:checkingthewholecourseofbaking,boilingandexperimentaloperation.TheCommonItems13.5.4Thetimeofboilingisgenerally2-3h.Ifthesteampressureisalittlelow,thetimecanbeextended.Whenbeinginstalled,theboiler,whichismadeofnon-marshalorpouringheatpreservationmaterials,canbedirectlyboiled.Afterbeingboiled,theinnerpartsshouldnothaveoildirty.Thereisnorustonthesurfaceafterthedirtyhavebeenwipedout.Themethodofchecking:openingtheboilerandcheckingit.13.6TheInstallationoftheWarm-ExchangingStationTheMainItems13.6.1Theexperimentofwarm-exchangestationmustbeexperimentedunderwaterpressureas1.5timesasthemaximumofworkingpressure.Steampressureshouldnotbelessthanthesumofsteampressureand0.3MPa.Thewarmingpartshouldnotbeexperimentedunderthepressurelessthan0.4MPa.Themethodofchecking:keepingthepressurefor10minsundertheexperimentalpressure.13.6.2Inthehightemperaturewatersystem,theinstallationpositionofthepumpofcirculatingwaterandwarm-exchangemachineshouldbecarriedoutaccordingtothedesigningpapers.Themethodofchecking:examiningasthedesigningpapers.13.6.3Duringtheinstallationofshellpipeswarm-exchangemachine,thedistancebetweentheendofthepipeandthewallorroofshouldnotshorterthanthe82\nwarm-exchangepipe.Themethodofchecking:observingandmeasuringwithrulers.CommonItems13.6.4Theacceptableerrorsofthewarm-exchangestationinnerequipmentsshouldbeaccordingtotherulesinForm13.3.10.13.6.5Theinstallationofthecirculationpump,adjustingvalve,dredgingmachine,dirty-cleaningmachine,flowmeterandsoonshouldbeaccordingtotherelatedregulations.13.6.6Theacceptableerrorsoftheinnerpipesofwarm-exchangestationshouldbeaccordingtotheForm13.3.11.13.6.7Theacceptableerrorsofthethicknessandhorizontallevelofthepipesandwarm-keepinglevelshouldbeaccordingtotheForm.4.4.8.82\n14TheExaminationoftheQualityoftheSections(orSubsections)14.0.1thecheckingofthequalityofexperimentalbatch,subproject,andbranch(orsubsection)shouldbecarriedoutonthebasisoftheself-checkingbythebuilder.Thismustbecarriedoutfromexperimentalbatch,subproject,branch(orsubsection)tounit(orsubunit).Atthesametime,therecordmustbewrittendown.1.experimentalbatchandsubprojectmustreachthedemandsofchecking.ThequalitydemandsofexperimentalbatchareasfollowingsinappendixB.ThequalitydemandsofsubprojectareasfollowingsinappendixC.2.Thecheckofbranch(orsubsection)projectmustbecarriedoutonthebasisofthecheckingandacceptanceofsubproject.Theimportantpartsconcernedwithsecurity,sanitationandworkingfunctionmustexperiencespotcheckandexamination.ThequalitydemandsofsubsectionareasfollowingsinappendixD.Thequalityofdemandsofwaterforconstruction,drainageandwarmingpartareasfollowingsinappendixE.14.0.2waterforconstruction,drainageandwarmingpartmustbecheckedandexaminedaccordingtothefollowingcontent.1.Theexperimentofpressure-capacitysystem2.Theexperimentofpouringwaterintothepipes,flangedballandpassingofwater.3.Theexperimentofthewaterpouringandwaterpassingoftherainpipes.4.Theexperimentofwater-supplyingpipesandthecheckingofcleaninganddisinfection.5.Theexperimentofsanitarywaresandofthewaresthathavethefunctionofwateroverflowing.6.Theexperimentofthegroundleakandthedrainageofgroundexit.7.Thecheckingoffireplugsystem.8.Thecleaningandcheckingofwarmingsystem.9.Thecheckingofsafetyravelandalertingsystem.10.Theexperimentaloperationofboilerunder48h.14.0.3Thefollowingcontentmustbeincludedintheprojectqualitypapersandrecords.1.Thereportofthecommencementoftheconstruction.2.Therecordatthemeetingthatdiscussestheblueprints,andtherecordofthechangesinthedesignandthenegotiation.3.Theplanoftheorganizationortheconstruction.4.Thecertificatesofqualityandthebillsofcheckingandacceptingofthemainmaterials,finishedproduct,half-finishedproducts,fittings,apparatusandequipments.5.Thecheckingandacceptingofthecoveringconstructionandtherecordsoftheexperimentsinthemiddleoftheconstruction.82\n6.Therecordsoftheexperimentaloperationoftheequipments.7.Therecordsoftheexaminationofthesecurity,sanitarianandtheoperationalfunctions.8.Therecordsoftheexaminationofthequalityofthebatches,branchesandsubsectionsandsectionsintheconstruction.9.Thepictureofthefinishedconstruction.82\nAppendixATheDivisionoftheSectionsandtheSubsectionsintheConstructionofWaterSupplyingandWaterDrainingSystemsintheBuildingsThedivisionofthesections,subsectionsandtheprojectsmightbeaccordedwiththeFormA.FormATheDivisionoftheSections,SubsectionsandtheProjectsTheSectionalProjectsNumberTheSub-sectionalProjectsTheDividedProjectsWaterSupplying,WaterDrainingandheatingSystemsintheBuildings1TheinsidewatersupplyingprojectTheinstallationofthewatersupplyingpipes,insidefirehydrantsandthewatersupplyingequipments,andtherotandheatproofofthepipes2TheinsidewaterdrainingprojectTheinstallationofthedrainpipesandtheirfittings,andtherainpipesandtheirfittings3TheinsidehotwatersupplyingprojectTheinstallationofthepipesandtheirfittings,andtherotandheatproofofthepipes4TheinstallationofthetoiletequipmentsTheinstallationofthetoiletequipments,theirwatersupplyingfittings,andtheirdrainpipes5TheinsideheatingsystemTheinstallationofthepipes,theirfittings,thesupportingequipments,radiators,radiatingboards,theradiatingheatingsystemsusinghotwaterofcomparativelylowtemperatureunderthefloor,andtheexperimentsanddebuggingofthewaterpressureofthesystems,andalsotherotandheatproofofthepipes6TheoutdoorsnetsofpipesforwatersupplyTheinstallationofthewatersupplyingpipes,thejointersoffirepumpsandtheoutdoorsfirehydrants,andalsothewellsandchannels7TheoutdoorsnetsofdrainpipesTheinstallationofthedrainpipes,andthedrainingchannelsandwells82\n8TheoutdoorsnetofheatingpipesTheinstallationofthepipesandtheirfittings,andtheexperimentsanddebuggingofthewaterpressureofthesystems,andalsotherotandheatproofofthepipes9ThewatersystemsandswimmingpoolsystemsinthebuildingsTheinstallationofthewatersystemsandswimmingpoolsystemsinthebuildings10TheinstallationoftheheatingboilersandtheirsupportingfittingsTheinstallationoftheboilers,theirsupportingequipments,pipes,thesecurityfittings,andthewarmexchangingstations,andalsotheexperimentaloperationofthefiringandboilingfurnaces,andtheirrotandheatproofAppendixBTheCheckingoftheQualityoftheBatchesunderExaminationTheformoftheexaminationofthequalityofthebatchesshouldbefilledinbyprofessionalqualitycheckingmembersandbeexaminedbythepeopleinchargeofthequality(andthetech)intheprojectwhoshouldbeorganizedbythesupervisoryengineer(theprofessionalpersoninchargeoftheprojectwhoisoftheunitunderconstruction).AndthentheresultoftheexaminationshouldbefilledinaccordingtotheFormB.FormBTheFormoftheExaminationoftheQualityoftheBatchesNameoftheProjectTheProfessionalHeadoftheWorkers/TheNumberofCredentialTheNameoftheSectionalProjectTheHeadsoftheConstructingSquadsandTeamsTheConstructeroftheDividedProjectsTheCheckingPartTheGistoftheConstructionTheStandardNameMaterial/Quantity82\nNumberEquipments/TotalNumberThePlaceforDepositaryTheFormofJointingTheMainItemsTheRegulation(Chapter,Section,Item,Paragraph)TheRegulationforQualityTheResultofExaminationoftheConstructerTheExaminationoftheSupervisoryUnitTheCommonItemsTheResultofExaminationoftheConstructerTheProfessionalQualityExaminingMemberofThisProject:ThePersoninChargeoftheQuality(andtheTech)intheProject:Date:TheExaminationoftheSupervisoryUnitTheSupervisoryEngineer(theProfessionalPersoninChargeoftheProjectWhoisoftheUnitUnderConstruction):Date:82\nAppendixCTheExaminationoftheQualityoftheDividedProjectsTheexaminationofthedividedprojects’qualityshouldbedonebythepeopleinchargeofthequality(andthetech)intheprojectwhowillbeorganizedbythesupervisoryengineer(theprofessionalpersoninchargeoftheprojectwhoisoftheunitunderconstruction).AndthentheresultoftheexaminationshouldbefilledinaccordingtotheFormC.FormCTheFormoftheExaminationoftheQualityof_________________NameoftheProjectResponsibleQuantitySurveyor/TheNumberofCredential/NameoftheSubsectionTheCheckingMemberoftheProject/TheNumberofCredentialNameoftheSectionTheProfessionalHeadoftheWorkers/TheNumberofCredentialNameoftheConstructeroftheSectionTheNumberoftheBatchedunderExaminationNumberThePartoftheBatchedunderExaminationTheResultofExaminationoftheConstructerResultoftheExaminationoftheSupervisoryUnit12345678910TheResultoftheExaminationThePersoninTheResultoftheExaminationandTheSupervisoryEngineer(the82\nChargeoftheQuality(andtheTech)intheProject:Date:AcceptanceProfessionalPersoninChargeoftheProjectWhoisoftheUnitUnderConstruction):Date:AppendixDTheExaminationoftheQualityoftheSubsectionsTheexaminationofthesubsections’qualityshouldbedonebythefunctionariesoftheconstructer,thefunctionariesofeachprofessionandthefunctionariesofthedesigner.Theywillbeorganizedbythesupervisoryengineer(theprofessionalpersoninchargeoftheprojectwhoisoftheunitunderconstruction).AndthentheresultoftheexaminationshouldbefilledinaccordingtotheFormD.FormDTheFormoftheExaminationoftheQualityoftheSubsection_______________NameoftheProjectResponsibleQuantitySurveyor/TheNumberofCredentialNameoftheSubsectionTheCheckingMemberoftheProject/TheNumberofCredentialTheConstructeroftheSubsectionTheProfessionalHeadoftheWorkers/TheNumberofCredentialNumberNameoftheDividedProjectsQuantityoftheBatchunderExaminationTheResultofExaminationoftheConstructerResultoftheExaminationoftheSupervisoryUnit123482\n56TheAdministrationoftheQualityTheFunctionsTheFeelingsAbouttheQualityTheOpinionsaftertheExaminationProfessionalBuilderFunctionaryoftheProfession:Date:BuilderFunctionaryoftheProject:Date:DesignerFunctionaryoftheProject:Date:ConstructerTheSupervisoryEngineer(theProfessionalPersoninChargeoftheProjectWhoisoftheUnitUnderConstruction):Date:AppendixETheExaminationoftheQualityoftheWaterSupplyingandHeatingSystemsintheBuildingsTheFormEshouldbefilledbytheconstructer.Theconclusionoftheexaminationandtheacceptanceshouldbefilledbythesupervisoryunit(theunitunderconstruction).Thefinalconclusionshouldbefilledafterthenegotiationofallthepartiesandbytheconstructer.Thecontentshouldhavetheevaluationoftheconstructionconcerningitsqualityandifitisinaccordancewiththedemandsinthedesignandtheregulations.FormETheFormoftheExaminationoftheQualityoftheWaterSupplyingandHeatingSystems(Sectional)intheBuildingsNameoftheProjectNumberoftheFloors/AcreageoftheConstruction/ConstructerDatesofCommenceandCompletion/ManageroftheProject/NumberofCredential/FunctionaryoftheProfessionalTech/TheNumberofCredentialResponsibleQuantitySurveyor/TheNumberofCredential/NumberItemsContentoftheConclusionofthe82\nExaminationandAcceptanceExaminationandAcceptance1ExaminationandAcceptanceoftheSubsectionAltogether_______Subsections______SubsectionsChecked______Subsectionsinaccordancewiththedemandsindesign2CheckingoftheMaterialsconcerningQualitySupervisoryAltogether_______Items___ItemsChecked______Itemsinaccordancewiththedemandsindesign3TheRecordsoftheExaminationoftheSecurity,SanitarianandtheOperationalFunctionsAltogether_______Items___ItemsChecked______Itemsinaccordancewiththedemandsindesign4TheFeelingsAbouttheQualityAltogether_______Items___ItemsChecked______Itemsinaccordancewiththedemandsindesign5TheFinalConclusionoftheExaminationTheUnitsIncludedintheExaminationandAcceptanceBuilderDesignerSupervisoryUnitConstructer82