Page 487 - Orlicky's Material Requirements Planning

464 PART 4 Looking Backward and Forward

FIGURE 27-9

Part FPA available and on-hand stock positions.
20000
Available
Stock Position
18000

16000
Part: FPA
14000
Top of Green 20,000
Top of Yellow 15,000 12000
Top of Red 7,500 10000

On-Hand Alert 3,750 8000
Available Stock 19,000
6000
On-Hand 2,000 (27%)
4000
On-Hand Alert
2000 On-Hand Position
0
FPA

FIGURE 27-10
Part FPA open supply summary.
Part #: FPA OH Buffer Status: 27% Today’s Date: 5/20
Order # Quantity Request Promise Status
MO 123-72 6,000 5/01 5/11 In progress at Paint
MO 122-11 5,000 5/10 5/15 In progress at Mill 230
MO 119-10 6,000 6/01 6/01 Released, awaiting start

Part SAE is a different case. Its OH alert position is in the yellow with an on-hand
position of 70. Top of green is set at 200. There is no open supply, but there is a demand
of 60 units. In this case, the available stock position is in the red zone (i.e., 70 on hand +
0 open supply – 60 demand = 10). Part SAE’s problem has nothing to do with open sup-
ply; there isn’t any. No open supply is the problem. Thus a planning action is required to
launch additional supply orders. Figure 27-12 is a summary of Part SAE’s current on-
hand and available stock situation.
Figure 27-13 is another example of an OH alert. In this case, the alert is for pur-
chased parts only. The filter is set for stock-out and red and yellow zone on-hand status.
Part PPA is stocked-out with demand, meaning that there is no on-hand stock and at the
same time there is qualified actual demand. The source of the demand for 25 is immate-