5. A metal fabricating company has the following master production schedule for

Question

5. A metal fabricating company has the following master production schedule for one of its items (a frame), as well as the accompanying product structure Week 1 Week 2 Week 3 Week 4 MPS 20 30 35 20 Frame Part A Part B Part C Part D The resource profile for the frame is as follows Item Frame Part A Part B Part C Part D Work Center 200 300 300 400 500 Run Hours/Unit 1.5 8 Lead Time 0 weeks 1 week 1 week 2 weeks 1 week Setup Hours 4 2 2 Determine the capacity requirements for all work centers, assuming all usages are one, and that a new setup is required in each week at each work center

Explanation / Answer

Capacity requirement (hours) for each Workcenter = Setup Hours + Run hours per unit * MPS of Frame * Usage of item. (Usage is given to be 1 for all parts)

For example, Capacity requirement of Workcenter 200 in week 1 = 4 + 1.5*20 = 34 hours

Capacity requirement of work center 300 in week 3 = Part A + Part B = (3+1*35) + (3+0.8*35) = 38+31 = 69 hours

Similarly, capacity requirements for all wokr centers for each of the 4 weeks is computed below:

Item Wc Setup Run Lead time Week 1 Week 2 Week 3 Week 4 Frame 200 4 1.5 0 34 49 56.5 34 Part A 300 3 1 1 23 33 38 23 Part B 300 3 0.8 1 19 27 31 19 Part C 400 2 1.2 2 26 38 44 26 Part D 500 2 1 1 22 32 37 22

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