建筑环境与能源应用工程专业英语15复习过程.ppt

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1、建筑环境与能源应用工程专业英语15Commissioningisoftenperformedbyanindependentthird-partyengineeringcompany.Operatesasanowner’srepresentativetoinsuretheinstalledsystemsmeettheownersrequirementsandtheplansandspecificationsUsuallyhiredbytheowner,sometimesbythearchitect,orgeneralco

2、ntractor.CommissioningPersonAllparticipantsintheconstructionprojecthaveacommissioningresponsibility.Participantsincludethecommissioningauthority,owner,designprofessionals,constructionmanager,generalcontractor,subcontractors,operationandmaintenancemanager,supplie

3、rs,andequipmentmanufacturers.BenefitsofCommissioningReducedchangeordersLesswarrantyandcallbacksforcontractorSmootherturnovertomaintenanceImprovedequipmentreliabilityReducedIEQproblemsReducedoccupantcomplaintsImprovedproductivityCorrectsystemoperationandinstallat

4、ionFacilitymeetsOwner’sexpectationandoperationalneedsReducedutilityconsumptionandoperationalcostsCommissioningObjectivesEnsurethefacilitymeetstheowner’sperformancerequirementsProvideasafeandhealthyenvironmentProvideoptimumenergyperformanceProvideafacilitythatcan

5、beefficientlyoperatedandmaintainedProvidecompleteorientationandtrainingtofacilitystaffandoccupantsProvideimproveddocumentationofsystemcharacteristicsCommissioning-Whatdidweusetodoandwhydoweneedit?CXofmechanicalandelectricalsystemswasdonebytheinstallingcontractor

6、sNostandardization,orclearapproachMostoftherealCXoccurredduringthewarrantyperiodaswarrantycallsBuildingsoperatedlessefficientlyFirstyearofoccupancywasfrustratingfortheownerContractorsspentmoremoneyduringthewarrantyperiodsContractorscanberushedwithoutenoughtimeto

7、double-checktheirworkDesignEngineersdonothaveenoughbudgettooverseetheconstructionindetailOwnershavehadbadexperienceswithprolongedprojectcloseout,andseeCXasasolutionHoldcontractorsaccountableforthespecificationsCommissioningScopeMechanicalSystemsAllHVACequipmentB

8、uildingautomationsystemandhardwiredcontrolsElectricalSystemsSwitchgear,majordisconnects,backupgeneratorsandUPS(UninterruptedPowerSupply)FireSafetySystemsSecuritySyste