Witness software also saved GM $500,000 by not building an unneeded loading bay. The plant was planning a new loading facility with three bays for automatic transfer of product from silos to trucks and rail cars. This combined continuous-discrete process simulation was the first time the interaction and balance between production and truck schedules/loading duration were clearly understood, according to Beaverstock. Simulation showed that two bays would adequately handle the load, saving the company the cost of building the third bay.
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