Practical Management Science
Practical Management Science
6th Edition
ISBN: 9781337406659
Author: WINSTON, Wayne L.
Publisher: Cengage,
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The Dubuque Cement Company packs 80-pound bags of concrete mix. Time-study data for the filling activity are shown in the following table. Because of the high physical demands of the job,
the company's policy is a 25% allowance for workers. (Round all intermediate calculations to two decimal places before proceeding with further calculations.)
Element
Grasp and place bag
Fill bag
Seal bag
Place bag on conveyor
*
Bag breaks open; included as delay in the allowance factor
^ Conveyor jams; included as delay in the allowance factor
a) The standard time for this process =
Performance
Rating
115%
85%
105%
90%
seconds (round your response to two decimal places).
1
8
37
15
9
Observation (seconds)
2
10
42
18
5
3
7
40
14
9
4
12
34
21
31^
5
8
114*
18
36^
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Transcribed Image Text:The Dubuque Cement Company packs 80-pound bags of concrete mix. Time-study data for the filling activity are shown in the following table. Because of the high physical demands of the job, the company's policy is a 25% allowance for workers. (Round all intermediate calculations to two decimal places before proceeding with further calculations.) Element Grasp and place bag Fill bag Seal bag Place bag on conveyor * Bag breaks open; included as delay in the allowance factor ^ Conveyor jams; included as delay in the allowance factor a) The standard time for this process = Performance Rating 115% 85% 105% 90% seconds (round your response to two decimal places). 1 8 37 15 9 Observation (seconds) 2 10 42 18 5 3 7 40 14 9 4 12 34 21 31^ 5 8 114* 18 36^
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