【优秀硕士博士论文】bim-based integrated delivery technologies for intelligent mep management in the operation and maintenance phase

BIMBASEDINTEGRATEDDELIVERYTECHNOLOGIESFORINTELLIGENTMEPMANAGEMENTINTHEOPERATIONANDMAINTENANCEPHASEZHENZHONGHU1,2,PEILONGTIAN1,XIAOYANGZHANG1,SUNWEILI2,JIANPINGZHANG11DEPARTMENTOFCIVILENGINEERING,TSINGHUAUNIVERSITY,BEIJING100084,CHINA2GRADUATESCHOOLATSHENZHEN,TSINGHUAUNIVERSITY,SHENZHEN518055,CHINAABSTRACTINCOMPLETEBUILDINGINFORMATIONINDELIVERYANDTHELACKOFCOMPATIBLETOOLSFOROPERATIONANDMAINTENANCEOBIMASBUILTOPERATIONANDMAINTENANCEFACILITYMANAGEMENT1INTRODUCTIONINBUILDINGS,THEMECHANICAL,ELECTRICALANDPLUMBINGMEPENGINEERINGSERVESDIRECTLYFORPEOPLESDAILYNEEDS,ANDHENCEPLAYSACRITICALROLEINCREATINGACOMFORTABLEANDSAFEENVIRONMENTFORBUILDINGOCCUPANTSMEPENGINEERINGISAGENERALTERMREFERRINGTOTHEMANAGEMENTOFNONSTRUCTURALFUNCTIONSOFABUILDING,WHICHINCLUDESPLUMBING,HEATING,VENTILATIONANDAIRCONDITIONINGHVAC,ELECTRICITY,ENERGYCONSERVATIONANDELEVATORMAINTENANCE,ETCINFACT,MEPENGINEERINGCONCERNSTHEFULLLIFECYCLEOFANYMEPSUBSYSTEM,INCLUDINGTHEDESIGN,CONSTRUCTION,OPERATIONANDMAINTENANCEOBVALVESINCLUDINGGATEVALUE,GLOBEVALVEANDCHECKVALVECVALVESINCLUDINGBUTTERFLYVALVE,GATEVALVEANDGLOBEVALVE2FORCOMPONENTSOFTHESAMETYPE,AGEOMETRICALSIMILARITYANALYSISISCONDUCTEDTOFINDCOMPONENTSWITHSIMILARGEOMETRIESTHEGEOMETRICALLYSIMILARCOMPONENTSARETHENASSIGNEDTOTHESAMELOGICLAYERFORFURTHERSUBDIVISION3THEORIENTEDBOUNDINGBOXOBBALGORITHM,WITHTHEHELPOFENDSECTIONANALYSIS,ISADOPTEDTOIDENTIFYSPATIALCONNECTIONSOFVARIOUSCOMPONENTSFORGROUPSCONTAININGINTEGRATEDCOMPONENTS,DIFFERENTPARTSOFTHEINTEGRATEDCOMPONENTAREEITHERASSIGNEDTOTHESAMELOGICLAYERORAUTOMATICALLYFORMULATETHELOGICCHAINBASEDONTHECOMPONENTTYPEORTHESUBDIVISIONOFTHECOMPONENTGROUPASFORTHECREATIONOFOBB,CHANANDTAN42PROPOSEDAMETHODFORGENERATINGAMINIMUMOBBBYPROJECTINGTHE3DOBJECTSTOITSTHREEPRINCIPLEPLANESTHEOBBISTHENCREATEDBASEDONTHEPROJECTEDCONTOURSTHEOBBCREATEDHENCEFITSTHE3DMODELTOTHELARGESTEXTENTTHEREFORE,CHANANDTANSMETHODISSUITABLEFORDISCERNINGSPATIALCONNECTIONSINAMEPSUBSYSTEMCONTAININGALARGENUMBEROFLONGPIPESEITHERSQUARESECTIONEDORROUNDSECTIONEDINORDERTOPICTURESPATIALCONNECTIONSOFCOMPONENTS,THECREATEDOBBISUSEDTORUNCOLLISIONTESTFORANYPAIROFCOMPONENTSIFCOLLISIONISNOTDETECTEDFORAPARTICULARPAIR,THEREISNOCHANCETHESETWOCOMPONENTSARESPATIALLYCONNECTEDIFACOLLISIONISDETECTED,ONTHEOTHERHAND,ANENDSECTIONANALYSISISCONDUCTEDTOVERIFYIFTHESETWOCOMPONENTSARESPATIALLYCONNECTEDINDETAIL,THEENDSECTIONSOFCOMPONENTSAREEXTRACTEDTODETECTIFAFACEOFONECOMPONENTISCOLLOCATEDWITHANYFACEOFTHEOTHERCOMPONENTINDETAIL,THEENDSECTIONANALYSISISCONDUCTEDINTWOSTEPS1BECAUSEABREP3DMODELEXTERNALLYPROFILINGTHECOMPONENTCONTAINSALLEDGESHARINGTRIANGLESANYTWOTRIANGLESSHAREONEEDGE,THEANGLESBETWEENTHENORMALVECTORSOFANYTWOTRIANGLESCANBECHECKEDTOFINDTHEEDGEOFTHEENDSECTIONSPECIFICALLY,WHENTHEANGLEISLARGERTHANACRITICALVALUEFOREXAMPLE,ONEOFTHETWO60TRIANGLESISDETERMINEDTOBEPARALLELTOTHEENDSECTION,ANDPUTINTOTHECANDIDATEDATABASEAFTERTHEEXAMINATIONOFTHEANGLESBETWEENNORMALVECTORS,ALLTHETRIANGLESINTHECANDIDATEDATABASEPARALLELTOTHESAMEPLANEARESELECTEDTOFORMTHEPOSSIBLEENDSECTION2ALLTRIANGLESCONSTITUTINGAPOSSIBLEENDSECTIONSHOULDGOTHROUGHACONTINUITYCHECKSPECIFICALLY,IFALLPOINTSSHAREASAMEPLANE,THEPOSSIBLEENDSECTIONISDETERMINEDTOBECONTINUOUSANDTHETWOCOMPONENTSARERECOGNIZEDASSPATIALLYCONNECTED2MECHANISMOFTHEEQUIPMENTIDENTIFICATIONANDGROUPINGAFTERCREATINGTHELOGICCHAINOFTHEMEPSUBSYSTEMS,THELOGICCHAIN,TOGETHERWITHTHEBASICINFORMATION,OFEQUIPMENTCANBERECORDEDINTHERFIDTAGSOR2DBARCODE,WHICHENABLESTHEQUICKASSESSOFUSEFULINFORMATIONINTHEODRAWINGAPOLYGONSHAPEDPATHALONGTHEHALLBOUNDARY,DENOTINGEVERYDOORONTHEPATHASNODESGENERATINGTWONODESATTHEENDSOFTHEHALLWAYANDCONNECTINGTHENODESTOFORMULATETHEHALLWAYPATHCONNECTINGTHEHALLWAYENDNODETOTHENEARESTNODEINTHEHALLIFTHEHALLWAYISCONNECTEDTOTHEHALLGENERATINGNODESATEVERYROOMDOORSANDCONNECTINGTHEDOORNODETOTHENODEBELONGINGTOEITHERTHEHALLORTHEHALLWAYGENERATINGNODESATEVERYSTAIRENTRY/EXISTORTHEELEVATORTOFORMULATECONNECTIONSBETWEENTWOLAYERSTHEVALUESOFINDOORPATHWEIGHTSAREASSIGNEDTOSIMULATETHEACTUALPEDESTRIANCIRCUMSTANCE,WHICHTAKESBOTHTHEPATHLENGTHANDMARCHINGSPEEDINTOCONSIDERATIONINFACT,THEWEIGHTVALUEISCALCULATEDAS,1LENGTHK1,HORIZONTALPATHLENGTHK2,HORIZONTALPATHLENGTHK3C,ELEVATORPATHINEQUATION1,K1,K2ANDK3REPRESENTFORTHEMARCHINGSPEEDINASINGLEFLOOR,GOINGTHROUGHSTAIRS,ANDBYELEVATOR,RESPECTIVELY,ANDCISACONSTANTCOUNTINGFORTHEELEVATORACCELERATION,DECELERATIONANDWAITINGTIME4OPERATIONMANAGEMENTBASEDONWEBSERVICEANDHETEROGENEOUSPLATFORMTHEOSHARINGTHEINFORMATIONINTERFACEWITHCOMMONPROPERTYMANAGEMENTTOOLSSUCHASBUILDINGAUTOMATIONSYSTEMBASREPORTOFFAILURESINCLUDINGTHEMANUALREPORTANDAUTOMATICREPORTTHEMANUALREPORTREQUIRESTHEEQUIPMENTKEEPERTOMANUALLYINPUTTHERELEVANTINFORMATION,SUCHASTHENAME,THECODEANDTHECONDITIONOFTHEEQUIPMENTAUTOMATICREPORTREQUIRESCONTINUOUSLYMONITORINGOFPARTICULAREQUIPMENT,BYVARIOUSSENSORS,THROUGHINTEGRATINGWITHTHEBASFORANOTHERTHING,THEPORTABLETERMINAL,WITHINAWIFIENABLEDENVIRONMENT,ISSUITABLEFORASSIGNINGTHEREPAIRWORK,UPDATINGTHEKNOWLEDGELIBRARYANDKEEPINGTHEREPAIRLOGINDETAIL,THEPROPERTYMANAGERCOULDBEINFORMEDABOUTTHEEQUIPMENTFAILUREVIAPORTABLETERMINALS,ANDASSIGNAPROPERWORKERTODEALWITHTHEFAILUREINSUCHAPROCESS,THEMANAGERNEEDSACCESSTOAUTHORIZEDINFORMATION,SUCHASTHEWORKERRELATEDINFORMATION,VIAWEBSERVICEWHENTHEWORKERARRIVES,HE/SHECOULDEXTRACTTHERELEVANTINFORMATIONFROMTHEBIMDATABASEVIAWEBSERVICEACCORDINGTOTHEQRCODEORTHERFIDTAGATTHESITETHERELEVANTINFORMATIONINCLUDINGTHEDETAILSOFTHEEQUIPMENTANDKNOWLEDGEPERTAININGTOTHEREPAIRPROCEDUREOFCOMMONFAILURESCANBETRANSFERREDTOTHEREPAIRPROCEDUREOFCOMMONFAILURESAFTERTHEREPAIRWORKISDONE,REPAIRLOGCANBEUPDATEDRIGHTONSITETHROUGHWEBSERVICETHEARCHITECTUREOFEQUIPMENTMAINTENANCEANDREPAIRMANAGEMENTISINDICATEDINFIG5空间识别REPAIRMANAGEMENTINVENTORYMANAGEMENTMALFUNCTIONSERVICETASKASSIGNMENTAUTHORITYMANAGEMENTREPAIRKNOWLEDGEDATABASEREPAIRLOGS设备识别WEBSERVICEBIMDATABASEUSERDATABASEPDAOPERATIONSLAPTOPOPERATIONSWIFIENVIRONMENTBUILDINGAUTOMATIONSYSTEMBASEXTERNALINTERFACENONWIFIENVIRONMENTMAINTENANCEMANAGEMENTIDENTIFICATIONMAINTENANCETASKSMAINTENANCEKNOWLEDGEDATABASEMAINTENANCELOGSEXTENDMAINTENANCEINFORMATIONNONWIFIENVIRONMENTWIFIENVIRONMENTFIGURE5ARCHITECTUREOFEQUIPMENTMAINTENANCEANDREPAIRMANAGEMENTBASEDONWEBSERVICEANDHETEROGENEOUSPLATFORMS2PATROLPATHPLANNINGINTHECROSSPLATFORMSYSTEMTHEGISMAP,INWHICHTHEINDOORPATHSANDITSCORRESPONDINGWEIGHTVALUESAREAVAILABLE,PROVIDESVIRTUALIZATIONANDDATASUPPORTFORTHEROUTINEPATROLPATHPLANNINGSINCETHEAUTHORITYOFDOORSANDSPACEISIMPORTANT,ESPECIALLYFORTHELARGESIZEDPUBLICBUILDING,ITISNECESSARYTOCOMBINETHEAUTHORITYINFORMATIONSTOREDINUSERDATABASEANDPATHINFORMATIONSTOREDINBIMDATABASEWHENPLANNINGTHEROUTINEPATROLPATHINSUCHACASE,THEACCESSIBILITYOFSPACECANBEVIRTUALLYPRESENTEDFORPATHPLANNINGTHROUGHREADINGTHERFIDTAGSBYPORTABLETERMINALS,THEWALKINGPATROLPERSONNELCANBEPROMPTEDABOUTTHEOPTIMALPATROLPATHINREALTIME,BECAUSE1THESPECIFICEQUIPMENTCANBEIDENTIFIEDINTHEBIMDATABASEVIASCANNINGTHERFIDTAG,2THEDATAEXTRACTEDFROMTHEBIMDATABASEVIAWEBSERVICECONTAINSTHELOCATION3DCOORDINATESOFTHEPARTICULAREQUIPMENTAND3THEDISTANCEBETWEENPATROLPERSONNELANDTHEPARTICULAREQUIPMENTCANBECALCULATEDBASEDONSIGNALINTENSITIES43,SIGNALPERFORMANCES44ORMODELMATCHING45,ETC,THEEXACTLOCATIONOFTHEPATROLPERSONNELINTHEREALTIMECANBECALCULATEDINTHEPRESENTSTUDY,THESIGNALINTENSITYISEMPLOYEDTOCALCULATETHEDISTANCEBETWEENPARTICULAREQUIPMENTANDTHEPATROLPERSONNELBASEDONTHEKNOWLEDGEOFPATROLPERSONNELLOCATIONS,THEFOLLOWINGPATROLPATHCANBEPROMPTEDTOTHEWALKINGPATROLPERSONNELINREALTIMEWHENCOMBINGWITHTHEPATHSEARCHALGORITHM3INTEGRATIONOFMONITORINGINFORMATIONTHEMONITORINGINFORMATIONCONTAINSDATAONMEPRUNNINGSTATUSTEMPERATURE,HUMIDITY,PRESSURE,ETCOBTAINEDVIASENSORSTHEINFORMATIONGATHEREDCANTHENBEUSEDTOAIDTHEDECISIONMAKINGINTERMSOFMAKINGORALTERINGTHEMAINTENANCEPLANORDETERMININGIFAREPAIRTASKNEEDSTOBEASSIGNEDTHEMONITORINGOFTHEMEPSYSTEMINBUILDINGSPRODUCESTWOKINDSOFDATATHEMETADATACORRESPONDINGTOTHEMONITORINGITSELFANDTHEACTUALMONITORINGRECORDSTHEMETADATADESCRIBESBOTHTHEMONITOREDMEPCOMPONENTANDTHEDATAFORMATOFTHEACTUALRECORDFORTHEINFORMATIONPERTAININGTOTHEMONITORINGITSELF,THEMETADATAINCLUDESTHELOCATION,HIERARCHY,TYPEANDCODINGFORTHEFORMATOFACTUALMONITORINGRECORDS,THEMETADATAINCLUDESTHEDESCRIPTIONOFTHEMONITORINGPOINT,TYPEOFDATA,RANGEOFREASONABLEDATAVALUE,CRITICALVALUEFORISSUINGALERTS,DATALENGTH,OBJECTADDRESSETCTABLES2AND3SHOWTHEINFORMATIONONMONITORINGMEPPRA1EXTRACTEDFROMTHEBASSYSTEMUSUALLY,THEMONITORINGMETADATAHASAFIXEDFORMATHENCE,DEVELOPINGANINTERFACETRANSFERRINGTHEMONITORINGRECORDINTOTHEREADABLETABLEINFORMATIONCANFACILITATETHEFORMULATIONABUILDINGSYSTEMSUBSYSTEMZONEEQUIPMENTMONITORINGDATACHAINTABLE2MONITORINFORMATIONOFMAINFRAMEEQUIPMENTOFAMETROSTATIONEQUIPMENTTYPESTATION/SYSTEMGROUP/MAINSYSTEMEQUIPMENTCODEEQUIPMENT/POINTDESCRIPTIONEQUIPMENTLOCATIONPRA1XXX/BASK1RIOFRAMESTATEENVIRONMENTALCONTROLROOMTABLE3MONITORPOINTINFORMATIONOFMAINFRAMEEQUIPMENTOFAMETROSTATIONEQUIPMENT/POINTDESCRIPTIONPOINTTYPEDI/DO/AI/DDI/VDDI/VTDIVALUEVALUEDESCRIPTIONALARMVALUEALARMTYPES1/2/3/4LENGTHBIT,BYTEINFORMATIONOBJECTADDRESSCOMMUNICATIONNORMALDI010FAULT/1NORMAL021BIT741915MONITORINGRECORDCONTAINSTHECURRENTANDHISTORICALRUNNINGSTATUSOFPARTICULAREQUIPMENT,ANDCANBEDIVIDEDINTODISCRETEANDCONTINUOUSQUANTITIESTHEMONITORINGDATAISUSUALLYSTOREDINTHEDATABASEDEVELOPEDBYSPECIFICMONITORINGEQUIPMENTSUPPLIER,WHOSEFORMATANDSTRUCTUREAREDIFFERENTFORDIFFERENTSUPPLIERSCONSEQUENTLY,THEREARETWOWAYSOFREADINGMONITORINGRECORD,EITHERFROMTHEMONITORINGEQUIPMENTDIRECTLYORFROMTHEDATABASEEXCLUSIVELYCORRESPONDINGTOCERTAINMONITORINGEQUIPMENTREADINGFROMTHEMONITORINGEQUIPMENTDIRECTLYISBETTERINTERMSOFPROCESSINGEFFICIENCYREADINGFROMTHESPECIALIZEDDATABASE,ONTHEOTHERHAND,HASTWOOPTIONSEITHERSYNCHRONIZINGTHESPECIALIZEDDATABASEWITHUSERBUILTDATABASEORENQUIRINGTHESPECIALIZEDDATABASEFOLLOWINGTHEPROCEDURESSETUPBYTHEEQUIPMENTSUPPLIERTHEREARENORMALLYTWOBASICTYPESOFENQUIRIESMADECONCERNINGTHEMONITORINGINFORMATIONTHEFIRSTTYPEACQUIRESTHEMONITORINGPOINTINFORMATIONGIVENTHETYPEANDZONEINFORMATIONOFAPIECEOFKNOWNEQUIPMENTTHESECONDTYPEENQUIRESTHEEQUIPMENTANDITSINFORMATIONGIVENTHEKNOWNMONITORINGRECORDMORECOMPLICATEDENQUIRYCANBEFORMULATEDBASEDONTHECOMBINATIONOFTHETWOBASICTYPESOFENQUIRYFOREXAMPLE,GIVENTHEFLOWDATAOFASPECIFICPIPELINE,THEUPSTREAMON/OFFSWITCHSTATUSOFABUTTERFLYVALVECANBECHECKEDASFOLLOWS,1LOCATINGTHEMONITORINGPOINTWHICHREPORTSTHEKNOWNFLOWDATA2IDENTIFYINGTHEASSOCIATIONOFTHELOCATEDMONITORINGPOINT3LOOKINGUPTHELOGICCHAINWHICHCONTAINSTHEPIPELINE4FINDINGTHERELEVANTINFORMATIONONTHEVALVEEXTRACTEDFROMTHELOGICCHAINCONSIDERINGTHE3DRENDERINGISAFEATUREOFTHEBIMTECHNOLOGY,THEENQUIREDINFORMATIONISPROJECTEDONTOTHE3DSPACETODISPLAYINADDITION,THEENQUIRYCANBECONDUCTEDINTERACTIVELYINA3DVIRTUALSPACE4TECHNOLOGYOFEMERGENCYRESPONSEBASEDONTHELOGICCHAINANDTHEGROUPINGLABEL,THEDECISIONMAKINGINTHEEMERGENCYRESPONSECANBEWELLSUPPORTEDFOREXAMPLE,INACASEOFPIPELINECRACKING,SCANNINGTHEBROKENPIPELINEANDLOCATETHEUPSTREAMCOMPONENTWITHTHEHELPOFTHEEMBEDDEDLOGICCHAINCOULDGUIDETHEFACILITYMANAGERTOSHUTDOWNTHEUPSTREAMVALVETOLIMITTHEINFLUENCEANDMAKETHEFAILUREUNDERCONTROLTHEREAREMAINLYTWOWAYSTOMANAGEEMERGENCYRESPONSE1USELAPTOPSANDSCANNINGGUNSTOIDENTIFYTHEMALFUNCTIONEQUIPMENTINTHEBIM,ANDTHENLOCATETHEEQUIPMENTANDITSUPSTREAMCORRESPONDSINTHE3DVIRTUALSPACEANDTOLOOKUPFORTHEMAINTENANCEANDREPAIRMANUALS2READQRCODEANDRFIDTHROUGHTHEPORTABLETERMINAL,WHICHEXTRACTSKEYINFORMATIONCOMPONENTNAME,UPSTREAMCOMPONENTDESCRIPTION,ETC,ORENQUIRYDOCUMENTSSUCHASBLUEPRINTANDMAINTENANCEMANUALFORNECESSARYINFORMATIONIFWITHINTHEWIFIENABLEDENVIRONMENTWITHTHEINFORMATION,THEEMERGENCYRESPONSEPERSONNELCOULDSEARCHFORTHEOPTIMALPATHTOTHEUPSTREAMCOMPONENTANDTHELOCATIONSOFNEARBYREPAIRWORKERSANDTOOLS5IMPLEMENTATIONANDACASESTUDYBASEDONTHETECHNIQUESDESCRIBEDABOVE,THEBIMFIM,ACROSSPLATFORMSYSTEMWASDESIGNEDANDIMPLEMENTEDTOINTELLECTIVELYMANGETHEMEPSYSTEMINAREALPROJECTDURINGTHEOMPHASEITCONSISTEDOFSIXMAINFUNCTIONMODULESANDFIVEAUXILIARYMODULESFIGURE3SHOWSTHEFUNCTIONDESIGNOFTHEBIMFIMSYSTEMBIMBASEDFACILITYINTELLIGENTMANAGEMENTSYSTEMLOGINLOGOUTLOGINSETTINGPROFILEMANAGEMENTNEWPROPJECTOPENPROJECTSAVEPROJECTCLOSEPROJECTEXITMAJORSETTINGBACKGROUNDCOLORSETTINGLOGINSERVERCONFIGURATIONUSERMANAGEMENTPROJECTMANAGEMENTAUTHORITYMANAGEMENTUSERROLEMANAGEMENTZOOMINZOOMOUTZOOMWINDOWSWALKVIEWSTANDARDVIEW3DDYNAMICVIEWVIEWALLVIEWCOMPONENTLISTVIEWCOMPONENTGROUPIMPORT/EXPORTIFCFILESELECTCOMPONENTLOCATECOMPONENTATTACHMENTMANAGEMENTDRAWINGMANAGEMENTBACKUPMANAGEMENTATTRIBUTESTATISTICSTODOLISTMAINTENANCEMANAGEMENTREPAIRMANAGEMENTCONTINGENCYPLANEMERGENCYRECORDSCOMPONENTIDENTIFICATIONASSOCIATECOMPONENTADDNODEMODIFYNODEDELETENODEUPGRADENODEDEGRADENODEIMPORTTXTFILEVIEWATTRIBUTESBATCHADD/MODIFYATTRIBUTESSPECIFICATIONMANAGEMENTOPERATIONHANDBOOKOPERATIONSIMULATIONSIMULATIONSETTNGSTATISTICALANALYSISINFORMATIONQUERYQRCODELABELMAKINGMAINTENANCELOGMAINTENANCEPLANMAINTENANCESUPPORTMAINTENANCESTATISTICSREPAIRLOGREPAIRSTATISTICSENERGYSAVINGANALYSISCOPYSTANDARDLAYERIMPORTMONITORINGMETADATAVIEWMONITORINGMETADATAVIEWMONITORINGMETADATACATEGORYSTARTMONITORINGSTOPMONITORINGVIEWCURRENTMONITOREDDATAVIEWHISTORICALDATADISSOCIATEWITHALLASSOCIATEWITHCOMPONENTDISSOCIATEWITHEQUIPMENTDISSOCIATEWITHCOMPONENTPATROLPATHPLANNINGLOGICCHAINMANAGEMENTSYSTEMUSERMANAGEMENTBASICINFOMANAGEMENTCOMPONENTMANAGEMENTFILELOGINMANAGEMENTMAINTREPAIRMANAGEMENTEMERGENCYMANAGEMENTTOOLSVIEWKNOWLEDGEMANAGEMENTMONITORINGMANAGEMENTFIGURE3FUNCTIONDESIGNOFTHEBIMFIMFIGURE4SHOWSTHELOGICFRAMEWORKOFTHEBIMFIMSEVENLAYERSAREDESIGNEDTORUNTHEOMMANAGEMENTOFTHEMEPSYSTEM,NAMELY,THEDATASOURCELAYER,DATAINTERFACELAYER,DATALAYER,MODELLAYER,PLATFORMLAYER,APPLICATIONLAYERANDUSERINTERFACELAYERTHEDATASOURCELAYERINCLUDESALLTHEORIGINALENGINEERINGDATA,SUCHASIFCFILESCONTAININGINITIALASBUILTPROJECTINFORMATION,MONITORINGDATARECORDINGTHERUNNINGSTATUSOFEQUIPMENT,CONSTRUCTIONDRAWINGS,ETCTHEDATAINTERFACELAYERPROVIDESMETHODSTOREADANDPARSETHEORIGINALDATA,WHICHWILLBETRANSFORMEDINTODATALAYERINASTRUCTURED,COMPUTERSENSIBLEFORMATTHESERVERLAYERPROVIDESTHREEDATABASESFORDATASTORAGEALLTHEASBUILTMEPINFORMATIONANDAPARTOFTHEFMRELATEDINFORMATIONARESTOREDINTHEBIMDATABASESOFTHESERVERLAYERMONITORINGINFORMATIONANDUSERINFORMATIONARESTOREDINSEPARATEDATABASESDUETOTHEPARTICULARITYOFTHEDATAWEBSERVICESAREREMOTELYCALLEDTORETRIEVETHEREQUIREDINFORMATIONFROMTHEDATABASESINTHEMODELLAYER,DATAISEXTRACTED,CONVERTEDANDINTEGRATEDINTODIFFERENTBIMSTOAIDTHEINTELLIGENTMEPMANAGEMENTTHEPLATFORMLAYERFORMSTHEENVIRONMENTFORVISUALIZINGTHEBIM,THEFMRELATEDINFORMATIONANDMANAGEMENTACTIVITIESONPORTABLETERMINALSTHEAPPLICATIONLAYERCONSISTSOFTHEAFOREMENTIONEDSPECIFICFUNCTIONMODULES,ANDTHEUSERINTERFACELAYERPROVIDESDIFFERENTINTERFACESFORDIFFERENTDEVICESINCLUDINGPORTABLETERMINALSPDAS,SMARTPHONESANDTABLETSANDLAPTOPSSERVERCLIENTIFCFILESDRAWINGSBASICINFORMATIONFILESEXTENDEDATTRIBUTESFILESMONITORINGMETADATAFILESMONITORINGRECORDSIFCINTERFACEBINARYFILEINTERFACELOCALCACHEDATAINTERFACEPORTABLETERMINALQUERYINTERFACEMONITORINGMETADATAINTERFACEOPCINTERFACESYSTEMANDUSERDATABASICPROJECTDATAEXTENDEDATTRIBUTESDATAGEOMETRICALDATAMAINTENANCEANDREPAIRDATALOGICCHAINDATAMONITORINGMETADATAEQUIPMENTSTATUSDATAUSERDATABASEBIMDATABASEMONITORINGINFODATABASEEXTENDEDATTRIBUTESINFORMATIONMODELOPERATIONSIMULATIONMODELINTELLIGENTMEPMANAGEMENTINFORMATIONMODELMAINTENANCEANDREPAIRINFORMATIONMODELBASICPROJECTINFORMATIONMODELOTHERINFORMATIONMODELMONITORINGINFORMATIONMODELBIMVISUALISATIONPLATFORMFACILITYMANAGEMENTPLATFORMPORTABLETERMINALPLATFORMBIMBASEDFACILITYINTELLIGENTMANAGEMENTSYSTEM（BIMFIM）COMPONENTMANAGEMENTBASICINFOMANAGEMENTKNOWLEDGEMANAGEMENTMAINTANDREPAIRMANAGEMENTEMERGENCYMANAGEMENTMONITORINGMANAGEMENTUSERINTERFACESFORPORTABLETERMINALSANDLAPTOPSINTERNETORINTRANET（INCLUDINGWIFI）DATASOURCELAYERDATALAYERMODELLAYERPLATFORMLAYERAPPLICATIONLAYERDATAINTERFACELAYERUSERINTERFACELAYERFIGURE4LOGICFRAMEWORKOFTHEBIMFIMTHESYSTEMWASAPPLIEDTOTHESHENZHENKERRYPLAZAIIPROJECTTOMAKETHEMEPRELATEDINFORMATIONDIGITALIZEDINDELIVERYANDTOINCREASETHEINTELLIGENTLEVELOFTHEMEPMANAGEMENTINTHEOMPHASELOCATEDINTHECENTRALBUSINESSDISTRICTCBDOFSHENZHEN,CHINA,THEKERRYPLAZAIIISAHIGHGRADEOFFICEBUILDING,OCCUPYINGOVERSQUAREMETERSOFLANDANDTOTALFLOORAREAIN7900EXCESSOFSQUAREMETERSTHEBUILDINGCONSISTSOFUNDERGROUNDFLOORSANDFLOORSABOVE100,000341THEGROUND,ANDTHETOTALHEIGHTOFTHEBUILDINGISMETERSTHEINITIALASBUILTMODELOFTHEPROJECT200WASCREATEDBYTHEGENERALCONSTRUCTORUSINGREVITTHEBIMFIMWASDEVELOPEDTORUNONALAPTOPCONFIGUREDWITH26GHZ2COREPROCESSOR,8GBMEMORY,ANDTHEDISPLAYCARDWITH1GBMEMORYAQRCODESCANNINGGUNISCONNECTEDTOTHELAPTOPTHEPORTABLETERMINALSSUITABLEFORINSTALLINGTHEBIMFIMINCLUDEALLSMARTPHONESRUNNINGEITHERIOSORANDROIDINADDITION,AMOTOROLAMC9090GTABLETMAINLYUSEDFORREADINGRFIDTAGSWASINCLUDEDTOSUPPORTTHEINTELLIGENTOMMANAGEMENTOFTHEMEPSYSTEM1ESTABLISHMENTOFTHEASBUILTINFORMATIONMODELTHREEYOUNGENGINEERSWITHLESSTHANONEYEAREXPERIENCEONREVITWEREAPPOINTEDBYTHEGENERALCONTRACTORTOBUILDUPTHEWHOLEREVITMODEL,ANDTHEYCOMPLETEDTHETASKIN2MONTHSEVERYMAJORASBUILDMODELCONTAINEDONESUBMODELOFTHESTANDARDBUILDINGFLOORANDOVER15SUBMODELSFOROTHERFLOORSTHROUGHDEVELOPINGIFCINPUT/OUTPUTINTERFACE,THEGEOMETRICALINFORMATIONANDTHEENGINEERINGATTRIBUTESINPUTTEDINTHEREVITMODELWEREIMPORTEDINTOABIMDATABASETHENITTOOKTHEGENERALCONTRACTORABOUT6WEEKSTOINTEGRATEALLTHEMAJORMODELSANDEXTENDOTHERENGINEERINGINFORMATIONEG,THELOGICCHAININTHEBIMFIMWITHTHEHELPOFABIMCONSULTANTTEAMDURINGTHISPROCESS,SOMEEXTENDEDDATAANDRELATEDDOCUMENTSWEREINPUTTEDBYBATCHMETHODSEMBEDINTHEBIMFIMSYSTEMANDTHELOGICCHAININFORMATIONWASGENERATEDUSINGTHESTRATEGIESARTICULATEDABOVEINFORMATIONRELATEDTOOMMANAGEMENTACTIVITIESWASINPUTTEDTHROUGHUSERFRIENDLYINTERFACESPROVIDEBYTHEBIMFIMITSHOULDBENOTEDTHATTHEDATABASEWASAPERMANENTASSETOFTHEBUILDINGANDPROVIDEDSUPPORTSFORTHEFMINTHEOMPHASEASKETCHSHOWINGTHEPROCESSISPRESENTEDINFIG6PARTISINCETHEREAREMANYTYPESOFMEPCOMPONENTSPROVIDEDBYDIFFERENTSUPPLIERS,THESTRUCTUREDDATA,SUCHASTHENAMES,PARAMETERSANDCODES,ANDCOMPONENTATTRIBUTES,SUCHASMANUALS,SPECIFICATIONSANDOPERATIONDIAGRAMS,OFASPECIFICPIECEOFEQUIPMENTARETREMENDOUSINAMOUNTACCORDINGTOTHEGENERALCONTRACTOR,TOTALLY125KINDSOFEQUIPMENT,20SIZESOFPIPESWEREINVOLVEDINTHEINTEGRATEDMODELEACHMEPCOMPONENTWASASSOCIATEDWITHATLEASTONEOPERATIONMANUAL,ONESPECIFICATIONAND10EXTENDEDATTRIBUTERECORDSABOUTTHELOCATIONINFORMATION,VENDORSPECIFICINFORMATIONANDINSTALLATIONINFORMATIONTHESEASSOCIATEDINFORMATIONANDEXT