Question
Show how all the Run Time and Capacity numbers in the process flow diagram in Figure 3 (page 7 of the note) were calculated. There
Show how all the Run Time and Capacity numbers in the process flow diagram in Figure 3 (page
7 of the note) were calculated. There are 6 Run Time numbers and 6 Capacity numbers. These
calculations are explained in the note.
Need the calculation below in a table form showing details
Placing Order: Run time = 1 minute per item or 3 minutes per order Capacity = 1 item per minute x 60 minutes = 60 items per hour Pre-Treatment Run time = 60minutes/ 56.8 items per hour = 1.06 minutes per item Capacity = 90 items in 90 minutes with 5 minutes of setup , ( 90 / 95 minutes ) x 60 minutes / hour = 56.8 items per hour Dry Cleaning Run time = 60 minutes / 90 items per hour = 0.67 minutes per item Capacity = 0.67 x 60 minutes = 90 items per hour . Capacity may be increased if consecutive loads are the same color. Pressing : Run time = Each presser can press an item in 2.5 minutes , with 2 pressers on average you can finish 1 item in 1.25 minutes or 2 items in 2.5 minutes on average . Capacity = 60minutes/2.5 minutes per item = 24 x 2 = 48 items per hour between the two pressers . Packing : Run time = 0.5 minutes per item or 2 items per minute Capacity = 2 items per minute x 60 minutes = 120 items per hour Pick up and Payment : Run time = 1 minute per item Capacity = 1 minute per item x 60 minutes = 60 items per hour
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