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附录1HowtoimproveconstructionprojectcostcontrolAconstructionprojecttheimportanceofcostcontrolofconstructionprojectcostcontrolofprojectsthroughtheentireprocess,thatis,decision-makingphaseoftheproject,theprojectdesignstage,projectimplementationandcompletionstagesofphaserelatedtotheconstructionprojectcostcontrol.Statisticsshowthatthedecision-makingstageintheprojectanddesignstage,theimpactofthepossibilityofprojectcost30%-75%,andintheimplementationphaseoftheimpactofthepossibilityofprojectcostisonly5%-25%.Itisobviousthatthekeytocostcontrolistheimplementationoftheprojectpriortodecision-makingandthedesignphaseoftheproject,theprojectisthedecidingfactorindecision-making,andisakeyfactorindesign.Controlprojectcostnotonlytopreventbreakthroughinvestmentlimit,meaningamoreactiveistopromotetheconstruction,engineering,anddesignunitstostrengthenthemanagementofhuman,materialandfinancialresourceswithlimitedresourcescanbefullyutilizedtoobtainthebesteconomicandsocialbenefits.Sodoagoodjobinprojectcostcontrol,toensureandacceleratetheeconomicdevelopmentthinkinghasacertainsignificance.Second,constructionprojectcostcontrolmeasuresforconstructionprojectcostcontroliseffectivedecision-makingintheinvestmentphase,designphase,constructionphasecontract,thecontractimplementationphaseoftheconstructionprojectcostcontrolintheamountoftheapprovedprojectcostlimit,occuratanytimetocorrectdeviations,andensuretherealizationofinvestmentobjectivesoftheprojecttovariousconstructionprojectsinareasonablemannertotheuseofhuman,materialandfinancialresourcestoobtainbetterinvestmentreturns,andultimatelytoenablethecompletionofauditedaccountstocontroltheamountofthebudgettoavoidthethreesuper-phenomenon,inordertoeffectivelycontroltheprojectcostshouldbedoingtheworkofthefollowingaspects:(adecision-makingphaseoftheprojectcosttodeterminethecostofcontrolengineeringandcontrolprojectsthroughtheentireprocess,butthetechnicalandeconomicdecision-makingstagesofpolicy-making,projectcostoftheprojectverymuchaffectedbysomething,especiallytodeterminethelevelofconstructionstandards,buildingsiteselection,technologyselection,equipmentselection,etc.,isdirectlyrelatedtothelevelofprojectcost.Accordingtothedatainvariousstagesofconstructionprojects,investmentdecision-makingphaseoftheimpactofthehighestdegreeofprojectcost,foratotalof80-90%.Therefore,thedecision-makingphaseoftheprojectistodeterminethecontentofthedecision-makingprojectcostbasis,adirectimpactondecision-makingphaseofthevariousconstructionphasesoftheprojectcosttodetermineandcontrolwhetherornotscientific,reasonablequestion.First,thepreparationofestimatesoftheneedforinvestment.Preliminaryestimatesofcapitalinvestmentisanimportantpartintheworkofone.Decision-makingdocument,itisresearch,analysisoftheconstructionprojectanimportantbasisforeconomiceffects.Workintheeconomyshouldbereflectedinthedesignofpracticalcontent,reflectingthebuildingoftheregion'seconomicsituation,startedfromtheestimatesreflectedtheaccuracyandcompletenessoftheconstructioninvestmentproject.Second,theinvestmentmustbedesignedtoestimateatruereflectionoftheinvestmentestimatesshouldberealisticandreflectthedesignofcontent,whichrequiresdesignersandprojectfromtheengineeringcontentofthesizeofatruereflectionofdesignintent.Themaintechnologytoberelativelymoreprograms,programstooptimizethedesignoftheprogramisnotonlytechnicallyfeasiblebutalsoeconomicallymorereasonable.Therefore,theprojecteconomy-buildingprogramsfromthebeginningoftheoptimization,itshouldpenetrateintothewholeprocessdesignedto,inaccordancewiththeprinciplesofprojectcostmanagement,areasonableestimateofprojectedchangesinavarietyofdynamicfactors,asfaraspossible,donotplayenoughtostayinvestmentgapThisisthepreparationofestimatesofkeyinvestmentisalsoanimportantbasisforthenextstage.(Bthedesignphaseofprojectcostcontrolprojectengineeringdesignwastoconductacomprehensiveplanningandspecificintenttodescribetheprocessofimplementationisthesouloftheconstruction,dealingwithtechnologyandthecriticallinkineconomicrelations,istodetermineandcontrolthefocusofprojectcoststage.First,optimizeddesign,thedesignofeffectivecontrolofprojectcostifthequalityandtrytomeetthenationalrequirements,functionsareusedtomeetrequirementsrelatedtoconstructionprojectsonlyaone-timeinvestmenttomeettheapplicationrequirements,notonlyconstructionprojectsrelatedtothenumberofone-timeinvestment,butalsointhecompletionAfterdeliveryoftheimpactoftheeconomicbenefitsoftheproject.Foreignexpertspointedoutthatalthoughthedesignoftheprojectcostsrepresentasmallproportionoftotalinvestment,lessthan1%,buttheimpactofitsprojectcosttoachievethelevelof75%.Itisclearthattheprojectdesignstagetodoagoodjobofcostcontroliscosteffectivecontrolofthekey,re-construction,lightdesignconceptmustbeovercometocontrolthecostoftheprojectdesignshouldstart.Therefore,theconstructionunitsanddesignunitsinthereviewofthedesign,attentionshouldbepaidtodesignoptimization,theuseofvariousindicatorsoftheoverallplanofthefactory,industrialbuildingdesignanalysisofspacecomparedtothedesignofthesetwoaspectsoftheprojectcost,notonlyhav