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This paper presents a mathematical programming model that allows quality to be explicitly considered in project planning and scheduling, while addressing the tradeoffs between quality, time, and cost. A quality function is used to represent the relationships between time, cost, and quality for individual tasks. The initial problem formulation maximizes the minimum quality (weakest link) over all project...
Existing models and methods of project scheduling implicitly assume uniform quality when evaluating time/cost tradeoffs, but do not model quality explicitly. For a project manager such as a general contractor who subcontracts most tasks of a project, or other project managers who face decisions concerning the level of quality to perform for each task, this is not a realistic assumption. In this paper,...
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