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Table above shows the task time and precedence relationships for a pizza assembly. The product time per day is 8 hours and the production schedule requires 300 pizzas per day by the assembly time. 1. Draw the precedence diagram of the operation. 2. Determine the cycle time of the line. 3. Calculate the minimum number of workstations for this operation.

Table above shows the task time and precedence relationships for a pizza assembly. The product time per day is 8 hours and the production schedule requires 300 pizzas per day by the assembly time. 1. Draw the precedence diagram of the operation. 2. Determine the cycle time of the line. 3. Calculate the minimum number of workstations for this operation.

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Table : Task time pizza assembly Task Description Roll Dough Add pizza source Sprinkle cheese A B с D E F G H Task time (sec) Preceding task 60 30 35 25 Add sausage Add Pepperoni 35 Add Mushrooms 22 Shrink-wrap pizza 15 Add label 23 A B с с с D,E,F G Total time 245 sec Table above shows the task time and precedence relationships for a pizza assembly. The product time per day is 8 hours and the production schedule requires 300 pizzas per day by the assembly time. 1. Draw the precedence diagram of the operation. 2. Determine the cycle time of the line. 3. Calculate the minimum number of workstations for this operation. 4. Construct the line layout of the operations following by rules below: 5. Longest task time rule. 6. Number of following rules. 7. Compute the resulting efficiency and balance of delay percentages. 8. If a worker is paid RM35 per day, compute the cost of idleness per week (assuming a work 6-day week).
Transcribed Image Text:Table : Task time pizza assembly Task Description Roll Dough Add pizza source Sprinkle cheese A B с D E F G H Task time (sec) Preceding task 60 30 35 25 Add sausage Add Pepperoni 35 Add Mushrooms 22 Shrink-wrap pizza 15 Add label 23 A B с с с D,E,F G Total time 245 sec Table above shows the task time and precedence relationships for a pizza assembly. The product time per day is 8 hours and the production schedule requires 300 pizzas per day by the assembly time. 1. Draw the precedence diagram of the operation. 2. Determine the cycle time of the line. 3. Calculate the minimum number of workstations for this operation. 4. Construct the line layout of the operations following by rules below: 5. Longest task time rule. 6. Number of following rules. 7. Compute the resulting efficiency and balance of delay percentages. 8. If a worker is paid RM35 per day, compute the cost of idleness per week (assuming a work 6-day week).
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