The dubuque cement company packs 80-pound bags of concrete, Ask an Expert

Management Studies

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 23% allowance for workers.

a) Compute the standard time for the bag-packing task.

b) How many observations are necessary for 99% confidence, within 5% accuracy?

Observations (seconds) - Element - 1,2,3,4,5, Grasp and place bag-8,9,8,11,7 Fill bag- 36,41,39,35,112a Seal bag- 15,17,13,20,18 Place bag on conveyor- 8,6,9,30b,35b. Performance Rating (%). * a- bag breaks open; included as delay in the allowance factor. *b- Conveyor jams; included as delay in the allowance factor.

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Operation Management, Management Studies

Category:- Operation Management
Reference No.:- M9390347

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