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Hydrogeological Numerical Modelling to Assess Active Dewatering Options at a Sand Quarry Site – A Case Study and Associated Methodology

In this paper, we describe an innovative numerical modelling approach used to
rapidly assess the potential effectiveness of various dewatering options in reducing
moisture content at the Holly Hill limestone quarry and cement manufacturing
plant in South Carolina, United States. The numerous predictive scenarios output
estimated moisture content of the quarried sands under varying assumptions of
active dewatering options. The results were used to input into a wider cost-benefit
assessment which is currently underway. However, the project additionally resulted
in the development of a useful modelling and coding approach that can be applied to operational planning and scheduling decisions in the future