Assessment Of Project Delivery Methods (Case Study Bahirdar-Zema River Bridge Design-Bid-Build Road Project And Koka-Adulala Design-Build Road Project)
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Date
2018-06-19
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Addis Ababa University
Abstract
The purpose of this study is assessing project delivery methods using the case study projects
Bahirdar - Zema River Bridge Design-Bid-Build Road Project and Koka - Adulala Design-Build
Road Project. To address the study, a descriptive research design was employed with a mixed
approach. This study use both primary and secondary data i.e. interview conduct with key
stakeholder of the project from the contract administrator side is done and as a secondary data
project documentations including contract documents, progress reports, correspondence letters,
variation orders, and claim requests are used. The sampling design used is a purposive sampling,
in which 8 top management of the case study projects including regional directors of the project
were interviewed. The data obtained from interview and intensively gathered project data were
analyzed in both qualitative and quantitative aspects. The quantitative finding of the study
indicates an additional time and cost being incurred to the Bahirdar Zema DBB Road Project,
whereas the qualitative aspect shows ease of contract administration and transference of project
design risk to the contractor in Koka – Adulala DB Road Project. In both type of project delivery
methods the quality of the work was control by the contractor and assured by the consultant in
compliance to the specification and requirements. Finally, the study recommends, increasing the
capacity of the contractor, to use Design Build project delivery method for the upcoming road
projects
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Keywords
Design – Bid – Build, Design – Build, Contract Administration, Variation Order, Quality Assurance