给排水英文施工方案

<rjj....一<rjj....一U三一產MulberryLaneProjectMethodStatementofLeakageTestforSanitaryUPVCPipework(Rev.01)CSCEC-ML-TD(M&E)-MS-001301June.201100REV.No.DATEM&ETECH.ENGINEERM&ETECH.MANAGERMEPROJECTMANAGERPROJECTMANAGERPREPAREDBYREVIEWEDBYAPPROVEDBYPROJECTMANAGERDate:2011.06.01ChinaStateConstructionEngineeringCorporationLtd.CONTENTTOC\o"1-5"\h\z\o"CurrentDocument"Introduction .3.\o"CurrentDocument"Scopeofwork 3..\o"CurrentDocument"Preparation 3…\o"CurrentDocument"2.0Constructionprocess 4.3.0Leakagetest 5…\o"CurrentDocument"4.0Attention 9..IntroductionThismethodstatementistoshowtheMethodtodoleakagetestforpipeworkonsitewhichisapplicabletosanitarypipe.ScopeofworkTheobjectiveofthismethodofstatementistodescribethePlumbing,Sanitary,RainWaterandFireProtectionSystemobtainedfromtheAuthority 'ssupplymainandthedistributionsystem.ItisnecessarytoseektheapprovalfromAuthorityfordetailedplanbeforeproceedingwithinstallation.PreparationMachineryandToolPowerdrillEarthcarriage/TrolleyPercussionbitHandsawWrenchHammerGradiometer,levelinginstrumentPick,scoop,ladder,scaffoldVibratorycompactor,NeedlevibratorConcretecuttingmachineHollowburner,ButanebottleAdhesive,wiper,bushMaterialUPVCpipe&fittingHanger,support,flatsteel,anglesteel,screwsandboltsGasbagplugSand,cement,sealantTestingwork:watersource,upperextensionpipe(1.3m),flange/pipecap,ball.Safetywork:signpost,warningtape.Planthescheduleofundergroundpipeworkandco-ordinatewithconcretetrenchworkofconstructiondepartment.Setuptheboundaryfencewithwarningtapearoundexcavationarea.Calibrationofallinstrumentsshallbecertifiedbytheinstrumentmanufactureroranapprovedcalibrationagency.Copyofthecertificateshallbesubmittedforreviewandrecord.

2.0ConstructionprocessSummarily,theconstructionofsanitarypipeworkshouldbestrictlyasfollows.Allpipeworkshallbefreefromburrs,rustandscaleandshallbethoroughlycleanedbeforeinstallation.Afterallthesanitarypipeworkonanyfloorhasbeeninstalledcompletely,theleakagetestshouldbeappliedtothepipework.Asingleleakagetestshouldbeappliedtopipeworkonthebasisofriserpipesineachindependentverticalshaft.DiagrammaticSketch—01:ConstructionProcedure3.0LeakagetestprocedureTheleakagetestshouldbecarriedoutstoreybystorey,inappropriatewaywhichhasbeenapprovedbyconsultant.Andthewholetestforeachfloorwillbeconsistedofmanyparts.Eachpartoftestshouldbetestedindependently,includingverticalriserpipes(Vent/soil/wastepipe),branchpipesconnectedtoequipmentsandrelevanthorizontalpipes.Whenallofthesanitarypipesonanyfloorhavebeeninstalledcompletely,leakagetestshouldbeappliedtosuchpipes.EachofbranchpipeswhichwillbeusedtoFT,FW,FD,O.L,BathTube,WaterCloset,andBasinetc.shouldbereservedappropriatelengthhigherthansurfaceoffloorslab.ForBasinthelengthshouldbe500mmhigherthanslabsurface,and200mmforothers.DiagrammaticSketch—02:SealingendofbranchpipeSealtheendofeachbranchpipeswithpipecapsandadhesive.ThepipecapsandadhesiveshouldbeprovidedbythesamemanufacturerwithUPVCpipework.pipecap

pipecapCleantheinnerofriserpipeabout300mmabovemanholewithwiper,tomaketheareacleanandsmooth.Blocktheverticalriserpipeatthepointofalittlebitabovethemanholebyusingagasbagplug.FloorslabVerticalpipeVIiiHoleGasbagPlugAirirlct■DiagrammaticSketch—03:TheBlockingPointVerticalpipeVIiiHoleGasbagPlugAirirlct■DiagrammaticSketch—03:TheBlockingPointGasbagPlugInflatethegasbagplugwithaninflatortomakesurethatthepressureisenoughtomakethegasbagplugcanmaketheriserpipeblockedtightly.Whentheriserpipeisblockedtightenoughtopreventanyleakage,fillwaterintotheriserpipethroughtheuppermanholeupstairs.DiagrammaticSketch—04:TheWaterFillingPointWhenthepipeisfullofwater,stopwateringandwaitfor15minutes.Whenthewaterlevelbecomesstabilized,re-fillwaterintothepipetillthewaterlevelissamewiththebottomledgeofmanhole. , pE■——Vp6.■■LpE■——Vp6.■■LDiagrammaticSketch—05:WaterLevelAfterthewatersurfacecalmdown,markthelevelwithacolorpencilandwritetimeaside.Sealthemanholewithtapeandwritedownthetimeonthetape.WasteVeriSoilFW/BothhnCoverYokevert|.ipcWaterfillingpointFTwST1Gasbac"luu J ManboleFormarkirqardwaterlevelcheckdurirgtestBrickw^illforFW/BothhnCoverYokevert|.ipcWaterfillingpointFTwST1Gasbac"luu J ManboleFormarkirqardwaterlevelcheckdurirgtestBrickw^illforverticalshaftFloorSlab*Vatcrclose:訂IT"l1ei'/banI3leFsrmarking,ardwaterlevelcheckdurirgtestUrickwall■verticalshaftFloorSlabDiagrammaticSketch—06:WasteWaterSystemgManholefor'Altering,morkincand 十”一~■wateilevelcheckirigdur11gtesi- 1Frick.vailfcrver1i?alsh:it;gManholefor'Altering,morkincand 十”一~■wateilevelcheckirigdur11gtesi- 1Frick.vailfcrver1i?alsh:it;ACLedge/Balcony/OlDiagrammaticSketch—07:RainWaterSystem讪tACLedge/Balcony/O丄ijnCoverFloorSlabwaterverticalriserpipeLasbag'lucboleFoimarkhandlevelcheckdurinctestJIvknBrickwall■verticalshaftr1n:J :.或' -Fl..i'IjIAfternolessthan30minutes,openthesealanttocheckthewaterlevel.Ifthewaterleveldecreaselessthan1cm,thetightnessofthepipeworkisqualified.Ifthewaterleveldecreasemorethan1cm,thetightnessofthepipeworkisunqualified.Workersonsiteshouldcheckallthepipeworkthatconnectedtosuchriser,repairorre-installtheproblempipeandfitting.Andtheleakagetestshouldbecarriedagainforsuchpipeworkinaccordaneewiththetestpro