Timothy Anderson, Wayne Wakeland
Manufacturing Systems Simulation
Abstract A discrete system simulation study was conducted to assess whether the addition of a night baking shift would result in a significant reduction in the average workorder cycle time or work- in-progress at a small wholesale bakery in Portland, Oregon. Four shift configurations were compared: a regular 5-day shift scenario, a regular night baking scenario, an extended 6-day shift scenario, and an extended night baking scenario. The simulation model indicates that the bakery could achieve as much as a 40% reduction in the average order cycle time and nearly 50% reduction in work- in-progress by shifting two of its employees to a night baking shift. Findings are reported at the 99% confidence level. Some caution is indicated before placing too much emphasis on the expected magnitude of improvement, since other factors would likely come into play. However, this simulation study provides evidence in favor of night baking, a practice which previously had enjoyed only antedotal support.
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Capps, Brent, "The Night Kitchen: A Simulation Study of Night Baking" (2003). Engineering and Technology Management Student Projects. 1542.