Project Delivery System

2020/2/71ProjectDeliverySystem2020/2/72objectives1.Definitionofprojectdeliverysystem2.Typesofprojectdeliverysystem3.advantagesanddisadvantages2020/2/73Projectdeliverysystem(contractingmethods)DefinitionMethodbywhichaprojectiscontractedforconstruction,suchasdesign-build,design-bid-build,design-build-operate,turnkey.Projectdeliverysystemisanorganizationwhichassignsspecificresponsibilitiesandauthoritiestopeopleandorganizations,andwhichdefinesrelationshipsofthevariouselementsintheconstructionofaproject.(背诵)Aparticularcombinationofprofessionalsandcontractarrangementsthatassignsresponsibilitiesandriskinacertainway.2020/2/74Thegenericterm“projectdeliverysystem”describeshowtheparticipantsareorganizedtointeract,transformingtheowner’sprojectgoalsandobjectivesintoafinishedfacility.2020/2/75Themostcommonmethodofprojectdeliveryforpublicprojects,andformanyprivateprojectsaswell,isknownasdesign-bid-build(DBB).However,thereareotherprojectdeliverysystemsthatareofteneffectiveinmeetinganowner’sneeds.2020/2/76ThislessonsummarizestraditionalDBBcontractingandintroducesseveralothertypesofprojectdeliverysystemsthatarebecomingmoreprominentintheUnitedStates.2020/2/77thinkingWhatfactorsinfluencetheowner’sselection2020/2/78Whendecidinghowprojectresourcesaretobeorganized,theownerconsidersanumberofgeneralbutsignificantfactors,including:pastpractices,traditions,andexperience;theadviceofconsultants;fundingofstaffandworkingcapital(营运资金);theinterestsofotherprojectstakeholders.2020/2/791.thespecificassignmentoftaskstootherpartiesdependheavilyontheowner’sdesiretoretaincontrolortodelegateresponsibilities.Ingeneral,riskandrewardarestructuredtobeinproportiontotheamountofcontrolretainedordelegated.However,theownercannotdelegatesomeprojectresponsibilities,suchasprovidingtheprojectsite(orthecriteriaforselectingthesite),determiningthegeneralapproachtofinancing,andsettingthegoalsforthenewfacility.Factors:2020/2/7102.traditionsandpastpracticesTheowner’sdecisiononhowtoproceedwithdesignandconstructionmayberootedintradition.However,traditionalsousuallydictatesarelianceontheadviceofstaffandotherknowledgeablesources,suchasdesignprofessionals,constructionexperts,andlegalcounsel,toselectaprojectdeliverysystemthatdefinesappropriaterolesfortheprimaryprojectparticipants.Factors:2020/2/7113.fundingsourcesandconstraints.Financingcanbeasignificantfactorinselectinganappropriateprojectdeliverysystem.Ifgrantsorloansareavailable,thefinancingagencymightspecifyamethodofdeliveryandcontrol,evendesignatingkeyplayers,asaconditionofputtingitsfundsatrisk.Factors:2020/2/7123.fundingsourcesandconstraints.Theneedtoexpendorcommitfundsinaccordancewithafixedbudgetorbudgetcyclemightswayanownertowardsomevariationofdesign-build,ifthelawpermitssuch.Iftheowneriswillingtodelegateevenmoreresponsibilitiestoapublicorprivatedeveloperwhowouldfinance,design,build,andperhapsoperatethefacility,oneoftheturnkeymethodsofdeliverymightbepreferable.Factors:2020/2/7131.owner-provideddelivery2.TraditionalDesign-Bid-Build3.Design/build4.Constructionmanagementtypes2020/2/7141.owner-provideddeliveryOnprojectwherethescopeofworkiswithintheirrangeofskills,experience,andresources,ownersoftenchoosetoperformsomeorallofthedesignservicesandconstructionworkthemselves.2020/2/715owner-provideddeliveryProjectsthatinvolvesimplemodificationstoanexistingfacility,aswellasprojectsthatarelimitedincostorcomplexity,aregoodcandidatesforowner-provideddelivery.Anownermightalsoelecttokeeprepetitiveprojectsinhouse.2020/2/716owner-provideddeliveryTheownermaysupplementinternalprofessionalstaffwithdesignspecialistssuchthatthedesignservicesareessentiallyself-provided.Constructionmayalsobeaccomplishedusingtheowner’sresourcesentirely,orwiththeownerservingasthegeneralcontractorandsubcontractorsperformingmuchofthework.2020/2/717owner-provideddeliveryOfcourse,theownermustmeetprofessionalregistrationandcontractinglicensurerequirements.Manylargerprivateandpublicentitiesprovidesomeoftheirdesignprofessionalservicesinhouseandmayperformsomeconstructionusingtheirownresources.2020/2/718thinkingAdvantagesanddisadvantagesofthissystem?2020/2/7192.TraditionalDesign-Bid-BuildIntheU.S.,DBBcontractinghasformanyyearsbeentheformofprojectdeliveryrequiredbylawfortheownersofmostpublicworksprojects.OwnersofmanyprivateprojectsalsofrequentlychooseDBBcontracting.2020/2/7202.TraditionalDesign-Bid-BuildApplicableconditions:DBBiseffectiveonprojectswheretheownerneedsbothprofessionaldesignservicesandconstructionservices.DBBisalsoeffectiveincaseswherethedesignprofessionaldoesnotrequiredetailedknowledgeofthemeansandmethodsofconstruction.2020/2/7212.TraditionalDesign-Bid-BuildApplicableconditions:DBBprovidestheownerwithahighdegreeofcontrolandisthereforeoftenthepreferredprojectdeliverysystemforownerswho:.wishtocloselymonitorprojects(evenconventionalones);.arepublicownersandmustaccountindetailforexpenditures;2020/2/7222.TraditionalDesign-Bid-Build.areobligatedbystatutetoprocureprofessionaldesignservicesbyqualificationsbasedselection(QBS)regulationsandconstruc