Assessment Of Project Delivery Methods (case Study Bahirdar-zema River Bridge Design-bid-build Road Project And Koka-adulala Design-build Road Project)

The purpose of this study is assessing project delivery methods using the case study projectsrnBahirdar - Zema River Bridge Design-Bid-Build Road Project and Koka - Adulala Design-BuildrnRoad Project. To address the study, a descriptive research design was employed with a mixedrnapproach. This study use both primary and secondary data i.e. interview conduct with keyrnstakeholder of the project from the contract administrator side is done and as a secondary datarnproject documentations including contract documents, progress reports, correspondence letters,rnvariation orders, and claim requests are used. The sampling design used is a purposive sampling,rnin which 8 top management of the case study projects including regional directors of the projectrnwere interviewed. The data obtained from interview and intensively gathered project data werernanalyzed in both qualitative and quantitative aspects. The quantitative finding of the studyrnindicates an additional time and cost being incurred to the Bahirdar Zema DBB Road Project,rnwhereas the qualitative aspect shows ease of contract administration and transference of projectrndesign risk to the contractor in Koka – Adulala DB Road Project. In both type of project deliveryrnmethods the quality of the work was control by the contractor and assured by the consultant inrncompliance to the specification and requirements. Finally, the study recommends, increasing therncapacity of the contractor, to use Design Build project delivery method for the upcoming roadrnprojects

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