QualityAcceptanceofPrefabricatedConcreteWorksConstructionQualityAcceptanceReportedby:SunHongmeiPCBULIDINGCONSTRUCTIONLearntheSpiritofLubanBecometheCraftsmenoftheNation01DivisionofQualityAcceptance02ConstructionQualityAcceptancePCBULIDINGCONSTRUCTIONContentsCONTENTS01IPCBULIDINGCONSTRUCTION01DivisionofQualityAcceptanceQualityAcceptanceBasisofPrefabricatedConcreteConstructionProject:CodeforConstructionQualityAcceptanceofPrefabricatedConcreteBuildingEngineering(T/CCIAT0008-2019)TechnicalStandardforPrefabricatedConcreteBuildingsGB/T51231-2016UnifiedStandardforConstructionQualityAcceptanceofBuildingEngineeringGB50300CodeforAcceptanceofConstructionQualityofConcreteStructuresGB50204RegulationsonQualityAcceptanceDivisionofPrefabricatedConcreteConstructionProjects:1.Assembledconcretebuildingconstructionshouldbeinaccordancewiththecurrentnationalstandard"UniformStandardforAcceptanceofBuildingConstructionQuality"GB50300oftherelevantprovisionsofthedivisionandqualityacceptanceofunitworks,divisionworks,sub-projectsandinspectionlots.2.Thedecoration,mechanicalandelectricalinstallationandotherdivisionalworksofprefabricatedconcretebuildingsshallbesubjecttoqualityacceptanceaccordingtothecurrentrelevantnationalstandards.3.Theprefabricatedconcretestructureprojectshallbeacceptedaccordingtotheconcretestructuresubdivisionproject,andtheprefabricatedconcretestructurepartshallbeacceptedaccordingtothesubdivisionprojectoftheconcretestructuresubdivisionproject.4.Rawmaterials,parts,componentsandaccessoriesusedintheconstructionofprefabricatedconcretestructuresshallbesubjecttomobilizationacceptanceaccordingtotheinspectionbatch.Theinspectionlotisthesmallestunitinthequalityacceptancedivisionofconstructionprojects.Itcanbedividedbyfloors,constructionsections,deformationjoints,etc.accordingtotheneedsofconstruction,qualitycontrolandprofessionalacceptance.Beforeconstruction,theconstructioncompanyshouldformulatethedivisionschemeofsubdivisionalworksandinspectionlots,whichshouldbereviewedbythesupervisioncompany.PrefabricatedConcreteStructureEngineeringSubdivisionProjectInspectionBatchDivision:SubdivisionofPrefabricatedConcreteStructureProjectSubdivisionProjectSerialnumberSubdivisionalworksSub-divisionalworksMainacceptancecontents1AssembledconcretestructureprojectPrefabricatedcomponentMoldsassembly,reinforcements,concrete,prestress,etc.2InstallationandconnectionofprefabricatedcomponentsTemporaryfixingmeasures,installationpositionofprefabricatedcomponents,dimensionaldeviation,appearancequality,waterproofofexteriorwalljoints,groutingmaterialqualitydocuments,grouting,paralleltestinspection3SealingandwaterproofingofprefabricatedcomponentsRawmaterials,sealantinjection,basecourse4MoldsMoldsinstallationandremoval5ReinforcementRawmaterials,reinforcementprocessing,reinforcementconnection,reinforcementinstallation6ConcreteConcreteThesub-divisionalworksarepartofthesubprojectworks,whichcanbedividedaccordingtothemaintypesofworkmaterials,constructiontechnology,equipmentcategories,etc.Thesub-divisionalworksofthesubprojectworksoftheprefabricatedconcretestructureworksaredividedasfollows:01PCBULIDINGCONSTRUCTION02ConstructionQualityAcceptanceInspectionTheprefabricatedconcretestructureprojectshouldbeacceptedaccordingtotheconcretestructuresubdivisionworks,acceptance,inadditiontothecurrentnationalstandardtheCodeofConstructionQualityAcceptanceofConcreteStructureWorksGB50204shouldcomplywiththerelevant:1.Engineeringdesigndocuments,installationconstructiondrawingsofprefabricatedcomponentsanddetailedprocessingandfabricationdrawings.2.Thequalitycertificationdocuments,acceptancerecords,samplere-inspectionreportsofprefabricatedcomponents,themainmaterialsandaccessories.3.Installationconstructionrecordsofprefabricatedcomponents.4.Typeinspectionreport,processinspectionreportandconstructioninspectionrecordofreinforcementsleevegrouting,andconstructioninspectionrecordofmortaranchorlapconnection.5.Inspectionandacceptancedocumentsforconcealedworksofpost-pouredconcrete.6.Strengthtestreportofpost-pouredconcrete,groutingmaterialsandbed-mortarmaterials.7.Externalwallwaterproofingconstructionqualityinspectionrecords.8.Qualityacceptancedocumentsofprefabricatedstructuresub-projects.9.Handlingplanandacceptancerecordsofmajorqualityproblemsofassembledworks.10.Otherdocumentsandrecordsoffabricatedworks.01AcceptanceRegulation04AcceptanceofDivisionalWork02AcceptanceofInspectionLot03Sub-divisionalAcceptance05DeliveryofConstructionBeforepouringconcretefortheconnectionnodesandlaminatedcomponentsoftheassembledconcretestructure,concealedworksshouldbeinspected.Theacceptanceofconcealedworksshallincludethefollowingmaincontents:1.Qualityofroughsurfaceofconcrete;size,quantityandpositionofkeyway;2.Grade,specification,quantity,positionandspacingofreinforcement,bendingangleofstirruphookandlengthofstraightsection;3.Theconnectionmode,jointlocation,jointquantity,jointareapercentage,laplength,anchoragemodeandanchoragelengthofreinforcement;4.Specification,quantityandlocationofembeddedpartsandreservedpipelines;5.Constructionpracticessuchaswaterproofingandfireproofingatjointsofprecastconcretecomponents.6.Insulationandnodeconstruction;7.Otherconcealeditems.04AcceptanceofDivisionalWork01AcceptanceRegulation02AcceptanceofInspectionLot03Sub-divisionalAcceptance05DeliveryofConstructionInspectionlotisthemostbasicunitintheprocessofprojectqualityacceptanceandthebasisfordeterminingprojectquality.Beforeconstruction,theconstructioncompanyshouldformulatethedivisionschemeofsubdivisionalworksandinspectionlots,whichshouldbereviewedbythesupervisioncompany.I.Thequalityacceptanceoftheinspectionlotshouldmeetthefollowingrequirements:(1)Thequalityofthemaincontrolprojectshallbequalifiedthroughsamplinginspection.(2)Thequalityofgeneralitemsshallbequalifiedaftersamplinginspection;whensamplinginspectionbycountingisadoptedforgeneralitems,unlessotherwisespecifiedinthespecification,thequalifiedpointrateshallreach80%ormore,andthereshallbenoseriousdefects.(3)Itshallhavecompletequalityinspectionrecordsandcompleteconstructionoperationrecordsforimportantprocesses.04AcceptanceofDivisionalWork01AcceptanceRegulation02AcceptanceofInspectionLot03Sub-divisionalAcceptance05DeliveryofConstruction1.Themaincontrolprojectshouldplayadecisiveroleintheconstructionofsafety,energysaving,environmentalprotectionandthemainuseofthefunctionoftheinspectionproject.2.Generalitemsareinspectionitemsotherthanmasteritems.3.Thequalityoftheinspectionlotshouldbeacceptedaccordingtothemaincontrolitemsandgeneralitems.Thequalificationoftheinspectionlotmainlydependsontheinspectionresultsofthemaincontrolitemsandgeneralitems.4.Theprofessionalsupervisionengineershouldorganizetheprofessionalqualityinspectorandprofessionalforemanoftheconstructionunittoaccepttheinspectionbatch.04AcceptanceofDivisionalWork01AcceptanceRegulation02AcceptanceofInspectionLot03Sub-divisionalAcceptance05DeliveryofConstructionTheinspectionofqualityacceptancerecordsofconcreteprefabricatedcomponentsproduction,installationandconnectionandothersubprojectsshouldbedoneonthebasisoftheacceptanceoftheincludedinspectionlot.Thequalityacceptanceofsub-divisionalworksshallmeetthefollowingrequirements:(1)Thequalityoftheincludedinspectionlotsshouldbeaccepted;(2)Thequalityacceptancerecordsoftheincludedinspectionlotsshouldbecomplete;Thequalityacceptanceofsub-divisionalworksshallbeorganizedbythesupervisingengineer(theprojectprofessionaltechnicaldirectoroftheowner)andtheprojectprofessionaltechnicaldirector.04AcceptanceofDivisionalWork01AcceptanceRegulation02AcceptanceofInspectionLot03Sub-divisionalAcceptance05DeliveryofConstructionQualityacceptanceofassembledconcretebuildingsubdivisionprojectshallbebasedontheacceptanceofassembledconcreteprefabricatedcomponents,prefabricatedcomponentsinstallationandconnectionandothersubprojects,qualitycontrolinformationinspection,inspectionandacceptanceoftheperceptionquality.Subdivisionalworksofassembledconcretebuildingsshallbequalifiedinaccordancewiththefollowingprovisions:(1)Thequalityofthesub-divisionalworksshouldbeaccepted;(2)Qualitycontroldatashallbecomplete;(3)Samplinginspectionresultsonsafety,energyconservation,environmentalprotectionandmainusefunctionsshouldcomplywiththecorrespondingprovisions;(4)Theappearanceandqualityshouldmeettherequirements.Thechiefsupervisionengineershallorganizethepersoninchargeoftheconstructionprojectandthepersoninchargeoftherelevantsurveyanddesignunitstocarryoutthequalityacceptanceofsubproject(itemizedproject)04AcceptanceofDivisionalWork01AcceptanceRegulation02AcceptanceofInspectionLot03Sub-divisionalAcceptance05DeliveryofConstructionArticle61oftheConstructionLawstipulatesthatconstructionprojectsdeliveredforcompletionacceptancemustmeetthespecifiedqualitystandardsofconstructionprojects,havecompletedengineeringtechnicalandeconomicdataandsignedprojectwarranty,andmeetothercompletionconditionsstipulatedbythestate.Theconstructionprojectcanbedeliveredforuseaftercompletion,withoutacceptanceorfailingacceptance,itshallnotbedeliveredforuse.Article16oftheRegulatio