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Rockness Recycling refurbishes rundown business students. The process uses a moving belt, which carries each student through the five steps of the process in sequence. The five steps are as follows: |
| STEP | DESCRIPTION |
TIME REQUIRED PER STUDENT |
|
| 1 | Unpack and place on belt | 1.6 | minutes |
| 2 | Strip off bad habits | 1.5 | minutes |
| 3 | Scrub and clean mind | 0.8 | minute |
| 4 | Insert modern methods | 1.2 | minutes |
| 5 | Polish and pack | 0.6 | minute |
|
One faculty member is assigned to each of these steps. Faculty members work a 40-hour week and rotate jobs each week. Mr. Rockness has been working on a contract from General Eclectic, which requires delivery of 1,550 refurbished students per week. A representative of the human resources department has just called complaining that the company hasn’t been receiving the agreed-upon number of students. A check of finished goods inventory by Mr. Rockness reveals that there is no stock left. |
| a. | Calculate the maximum output for each step. |
| Step | Maximum
output (Students per week) |
| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 | |
| b. | Which step is the bottleneck? | ||||||||||
|
a.
Ans -
Max Capacity = 40 hrs x 60 mins = 2400 minutes
Step 1 - minute unpack and place on belt
Time required per student = 1.6 min
Max. Output = 2400/1.6 = 1500 students per week
Step 2 - strip off bad habits
Time required per student = 1.5 min
Max. Output = 2400/1.5 = 1600 students per week
Step 3 - scrub and clean mind
Time required per student = 0.8 min
Max. Output = 2400/0.8 = 3000 students per week
Step 4 - insert modern methods
Time required per student = 1.2 min
Max. Output = 2400/1.2 = 2000 students per week
Step 5 - polish and pack
Time required per student = 0.6 min
Max. Output = 2400/0.6 = 4000 students per week
b.
Ans -
Bottleneck: Least capacity in process = STEP 1
Process cannot create > what bottleneck is, so 1500 is max capacity for process as a whole.
Rockness Recycling refurbishes rundown business students. The process uses a moving belt, which carries each st...
Rockness Recycling refurbishes rundown business students. The process uses a moving belt, which carries each student through the five steps of the process in sequence. The five steps are as follows: STEP DESCRIPTION TIME REQUIRED PER STUDENT 1 Unpack and place on belt 0.2 minute 2 Strip off bad habits 0.4 minute 3 Scrub and clean mind 0.6 minute 4 Insert modern methods 0.8 minute 5 Polish and pack 1.0 minutes One faculty member is assigned to each of these...
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