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1、MeasuringtheImpactofReworkonConstructionCostPerformance测量返工对工程造价的性能的影响系别：建筑工程管理系专业：工程造价班级：姓名：学号：MeasuringtheImpactofReworkonConstructionCostPerformanceBon-GangHwang1,StephenR.Thomas,M.ASCE2,CarlT.Haas,M.ASCE3,andCarlosH.Caldas,M.ASCE41AssistantProfessor,Dept.ofBuilding,
2、NationalUniv.ofSingapore,Singapore117566.E-mail:bdghbg@nus.edu.sg2AssociateDirector,ConstructionIndustryInstitute,Austin,TX78759-5316.E-mail:sthomas@mail.utexas.edu3Professor,Dept.ofCivilEngineering,Univ.ofWaterloo,WaterlooON,CanadaN2L3G1.E-mail:chaas@civmail.uwaterloo.
3、ca4AssistantProfessor,Dept.ofCivil,Architectural,andEnvironmentalEngineering,Univ.ofTexasatAustin,Austin,TX78712-0276.E-mail:caldas@mail.utexas.edu(Accepted23September2008)IntroductiontopConstructionprojectsoftenexperiencecostandscheduleoverrunsandreworkisasignificantfa
4、ctorthatdirectlycontributestotheseoverruns.ResearchbytheConstructionIndustryInstitute(CII)revealsthatdirectcostscausedbyreworkaverage5%oftotalconstructioncosts(CII200511).ConsideringthattheU.S.constructionindustryexpended$1,502billionin2004fortotalinstalledcosts(Bureauo
5、fEconomicAnalysis20065),almost$75billionwaswastedondirectcostscausedbyreworkinthatyearalone.Therefore,reworkmustbeconsideredasignificantfactoraffectingcostperformanceintheconstructionindustry.Severalresearchefforts(O’ConnerandTucker198623;CII19897;Davisetal.198912;Burat
6、ietal.19924;Loveetal.1999a20,b21;Love2002b16;Fayeketal.200313;LoveandEdwards200417)haveattemptedtoidentifyandclassifytherootcausesofrework,andtoquantifyitsoverallextent.Employingthemetric,totalfieldreworkfactor,andtheclassificationofreworksourcesdevelopedbyCII,thispaper
7、assessesthedirectimpactsofreworkonconstructioncostperformanceusingdatafrom359actualprojects.Morespecifically,theobjectivesoftheresearchdescribedinthispaperwere:(1)toidentifytheimpactsofreworkonconstructioncostperformanceforvariouscharacteristicsofprojects;(2)todetermine
8、theimpactsofdifferentsourcesofreworkonconstructioncostperformance;and(3)toisolatetherootcausesofreworkandrecom
