This paper outlines the stages involved in developing a project management (PM) structurethat defines the roles and responsibilities of owner organizations in a managing contractor (OMC) projectdelivery model. This research is supported by one of the largest oil and gas owner organizations inCanada that aims to manage its projects using its internal resources. A model is proposed in this paperto help the owner to better manage its projects using its own capacity and internal resources and to act asboth project and construction manager in delivering its projects. First, the study investigates significantgeneral project and construction management tasks that can be handled by construction projects’ ownersand contractors as proposed by relevant standard models of international PM organizations. The studyalso reviews the tasks included in the in-house OMC model of the oil and gas company. The studyoutlines a method of determining the changing roles of the owner when the project delivery model shiftsto the OMC model by transferring the general project and construction management roles andresponsibilities of the EPCM contractor to the owner. In order to verify the preliminary researchassumptions, a web-based survey questionnaire was developed, which adopts oil sands extractionprojects as a pilot OMC project delivery model. The questionnaire was used to solicit the opinion ofexperts with regards to the extent to which they consider each identified task in the project as the owner’sor its EPC contractors’ responsibility in an OMC model. Proposed consistency measures were applied inorder to verify the data collected from both the literature and the survey. Finally, the results of the studywere organized into three lists that propose the appropriate combination of the owner’s and EPCcontractors’ tasks as well as their shared tasks in the OMC model. Sample results of the study arepresented in the paper to respect the owner’s confidentiality. The main contribution of the study is inintroducing a unified roles and responsibilities structure for handling projects, and providing a method forassessing relevant tasks to be handled by project parties under the OMC model.
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