How many trucks do you need to maximize the efficiency

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Problem

As part of a dredging operation, you must haul 5000 bank yd³ of spoil 2.5 mi (one way) to a disposal site. You are currently planning to use a tracked loader with a 2 yd³ bucket capacity. Based upon some preliminary planning estimates, you have determined the following: Load time = 0.04 min Maneuver time = 0.18 min Travel time = 0.40 min Dump time = 0.06 min The spoil is a poorly graded sand. Since the material is already disturbed from the dredging process, you estimate the swell factor to be less than 5 percent. The dump trucks should average 30 mi/h to and from the disposal site with 2 min required for unloading. They have a 10 yd³ capacity. The disposal site is 3 mi from the spoil. Using cycle time analysis, determine whether this is an efficient operation. Get the instant assignment help. How many trucks do you need to maximize the efficiency of this operation?

Reference no: EM133898480

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