Provide the Annotation [2] Introduction- In this article, Chen and Manley (2014), describe the functionalities of collaborative procurement models application in order to design a model to establish relationship between operations involved to produce better outcomes in constructional projects. [3] Aims, research questions & Research Methods- The aim of this report is to produce a conceptual model, mechanisms involved in the process like estimation of cost, risk management methodologies, integration of design, as well as informal mechanisms, which include leadership, required