Identify the bottleneck in the repair process

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Joe Mataya's company provides after-sales support for all the photo-copiers and high-load printers on our campus. When a machine fails, it is immediately brought to Joe's workshop near Ozona's on Greenville. The service (including ticketing) essentially consists of five steps, and each step is typically done by 1 person. The steps, with time required for each step in brackets, are: (i) Ticketing (15 min), (ii) Diagnosis (1 hr), (iii) Spare-part identification (30 min), (iv) Repair (2 hr) and (v) Assembly (90 min). Joe's shop is open 8 hours a day. Assume there is no variability in processing times.

-Draw a process flow diagram and identify the bottleneck in the repair process.

-Suppose there are 800 machines all over campus. Each machine, on average, fails 9 times every year (300 working days). What should be the minimum capacity in Joe's shop? What is the corresponding cycle time?

-How many people (in round numbers) does Joe need for each of the above 5 steps?

Reference no: EM132794584

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