Due to The increasing demand on fossil fuel, Pipelines have become an essential element in today's world economy. Thus, any delays in pipeline construction projects have become highly intolerable. The construction process has many activities that involve various resources and each activity relies strongly on its predecessors. This paper presents a tool for planning pipelines projects using computer simulation. The proposed tool aids contractors in planning pipelines projects by estimating their

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... associated time and cost of construction. The tool breaks down pipeline projects into a number of activities along with their resources. An application example is presented to demonstrate the features of the proposed tool.