Practical Management Science
6th Edition
ISBN: 9781337406659
Author: WINSTON, Wayne L.
Publisher: Cengage,
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Transcribed Image Text:As the Cottrell Bicycle Co. of St. Louis completes plans for its new assembly line, it identifies 25
different tasks in the production process. VP of Operations Jonathan Cottrell now faces the job of
balancing the line. He lists precedences and provides time estimates for each step based on work-
sampling techniques. His goal is to produce 1,000 bicycles per standard 40-hour workweek.
Task
Time (sec)
Immediate
Task
Time (sec)
Immediate
Predecessors
Predecessors
K3
60
E3
109
F3
K4
24
K3
D6
53
F4
K9
27
K3
D7
72
F9, E2, E3
J1
66
K3
D8
78
E3, D6
J2
22
K3 -
D9
37
D6
J3
3
C1
78
F7
G4
79
K4, K9
B3
72
D7, D8, D9, C1
G5
29
К9, 1
B5
108
C1
F3
32
12
B7
18
B3
F4
92
J2
A1
52
B5
F7
21
J3
A2
72
B5
F9
126
G4
A3
114
B7, A1, A2
E2
18
G5, F3
a) Balance this operation using shortest operation time rule and compute the efficiency of the line.
b) Discuss how this balance could be improved. Is it possible to improve this balance to 100%?
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Hello guys, can you draw the precedence diagram please? I get really confused
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Hello guys, can you draw the precedence diagram please? I get really confused
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