Assume that any batch may use all the resources available in a given step, and demand rate is 55 units hr and the batch size is 30 units demand rate 55 unit hr batch size 30 units step num of resources activity time in sec activity time in min setup min total time capacity min 1 1 44 0,73 7 7,73 0,13 2 2 90 3 12 15,00 0,07 3 3 90 4,50 0 4,50 0,22 4 1 58 0,97 2 2,97 0,34 5 1 48 0,8 0 0,80 1,25 6 2 60 2 0 2,00 0,50 a) calculate the overall capacity for the system in units hour b) calculate the ROFT for an entire batch if we assume that the entire batch must move together from step to step (remember, if resources are in parallel, all resources may be used) c) calculate the ROFT for just one unit in minutes

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Question: Assume that any batch may use all the resources available in a given step, and demand rate is 55 units/hr and the batch size is

Assume that any batch may use all the resources available in a given step, and demand rate is 55 units/hr and the batch size is 30 units

demand rate	55	unit/hr
batch size	30	units

step	num of resources	activity time in sec	activity time in min	setup min	total time	capacity min
1	1	44	0,73	7	7,73	0,13
2	2	90	3	12	15,00	0,07
3	3	90	4,50	0	4,50	0,22
4	1	58	0,97	2	2,97	0,34
5	1	48	0,8	0	0,80	1,25
6	2	60	2	0	2,00	0,50

a) calculate the overall capacity for the system in units/hour

b) calculate the ROFT for an entire batch if we assume that the entire batch must move together from step to step? (remember, if resources are in parallel, all resources may be used)

c) calculate the ROFT for just one unit in minutes

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