Current Issues Using Revit MEPTECHnOLOGY cOn年gEiAUSTRALASIA·Time cost highSkills:don't know what to do,wrong ways,stuck with problems...Lack of families,or families not working properlyOver-modeling,large file size,model becomes very slow on computersFrequent design changes,lack of communication:engineers andmodelersRevit limitations,bugsLack of valid output from Revit MEP modelingModel not based on full set of families with appropriate intelligence2D cheats for 3D,no sections,no 3D views produced (Poor 3Dmodeling)Can't produce valid schedule of quantitiesCan't produce even simple engineering analysisDrawings not looking goodMEP is"symbol-based,schematic-orientated"documentation,againstreality modelingFamilies not displaying properly,lack of standard of family graphicsUnfamiliar with Revit graphics control measures and its limitationsPart 1-Reality CheckEnterprise-wide Revit MEP Content Creation and Management-Roy Qian aurecon理躓素前网ZC.ET REVITLOD-Who does what?TEEHnOLOGY cOnFEREnCEAUSTRALASIAAIA E202-2008 LOD Definition coPymight AIA 2008100200300400500Elements are modelledPrimary elements i.e.grids.Primary and intermediate (i.e.model is a complete,virtuallyAs-built model with specificwith generalised systemscolumns,major exteriorinterior walls,doors,fixedconstructed representation of theelements and assembliesor assemblies that havewalls and specificfurniture fittings,secondarybuilding,accurate in size.shape.required for the operation andapproximate size,shape,assembles are modelledsteel)elements are modelledlocation,orientation and assembly.facilities management of thelocation and orientation.accurate in quantity,size.accurately in quantity,size.Elements are specific selections of buildingshape.location andshape,location and orientation products and are modelled to aorientation.and are complete in terms ofshop drawing/fabrication level offabrication,assembly,anddetail and ready fdetailing informConceptDetailedDeveloped -DesignFacilityDesignDesign/TenderConstructionManagement100200300400500Ductworknotconnected,partiallyconnected,fully'fully connected and coordinatedconnected as constructedconnectedcoordinated but not verifiedcoordinated and verifiedwith fabrication partsfor 3DPipeworknotconnected,partiallyconnected,fullyfully connected and coordinatedconnected as constructedconnectedcoordinated but not verifiedcoordinated and verified.with fabrication partsfor 3Dsmall pipes may beEquipmentgeneric.generic,maximum sizes,manufacturer specific,equipment manufacturerequipment manufacturerandapproximateprimary connectors fittedaccurate sizes,verified,allspecific,fabrication sizesspecific,sizes as constructedAccessoriessizes,connectors fittedconnectorsInformationnot requiredflow,pressure and electricalflow,pressure cortect,flow.pressure correct forflow,pressure correct as(embededdata added,calculations notelectrical correct.andinstallation,electrical correctinstalled,electrical correctdata in theverifiedverifiedmodel)Aurecon Mechanical LOD Definition copght Aurecon GroupPart 1-Reality CheckEnterprise-wide Revit MEP Content Creation and Management-Roy Qian aurecon興尚览.ET
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