Panini, a popular sandwich shop, offers 3 types of sandwiches: Grill vegetables,
ID: 376343 • Letter: P
Question
Panini, a popular sandwich shop, offers 3 types of sandwiches: Grill vegetables, grilled chicken and pastrami. The table below provides demand data:
Grilled Vegetables
Grilled Chicken
Pastrami
Demand per hour
25
25
10
There are up to five steps in the process of making sandwiches, listed below with activity times. Only 50% of customers want their sandwich toasted, no matter which sandwich is ordered.
Step
Grilled Vegetables
Grilled Chicken
Pastrami
Cut bread
.75 minutes
.75 minutes
.75 minutes
Grill
1.9 minutes
1.9 minutes
-
Slice meat
-
-
3 minutes
Toast
2 minutes
2 minutes
2 minutes
Wrap
.75 minutes
.75 minutes
.75 minutes
Suppose Panini employs 1 worker at each step. What is the implied utilization of the bottleneck of this process?
Please include the explanation.
Grilled Vegetables
Grilled Chicken
Pastrami
Demand per hour
25
25
10
Explanation / Answer
Evaluate workload per hour on each step: Cut = 0.75 x 50 = 37.5; Grill= 1.4 x 40 = 56; Slice = 3 x 10 = 30; Toast = 2 x 0.5 x 50 = 50; Wrap = 0.75 x 50=37.5 . Implied utilizations are then 37.5/60, 56/60, 30/60, 50/60 and 37.5/60. The largest one is 56/60 = 0.933)
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