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Mrp Problems Essay

891 words - 4 pages

10.In the following MRP planning schedule for Item J, indicate the correct net requirements, planned order receipts, and planned order releases to meet the gross requirements. Lead-time is one week.

Item: JOH: 40LT: 1SS: 0Q: L4L | | Week Number |
| Item J | 0 | 1 | 2 | 3 | 4 | 5 |
| Gross requirements | | | 75 | | 50 | 70 |
| Scheduled receipts | | | | | | |
| On Hand | 40 | 40 | 0 | 0 | 0 | |
| Net requirements | 0 | 35 | | 50 | 70 | |
| Planned order receipts | | 35 | | 50 | 70 | |
| Planned order releases | 35 | | 50 | 70 | | |

11. Assume that Product Z is made of two units of A and four units of B. A is made of three units ...view middle of the document...

One unit of A is made of three units of B, One Unit of C and two units of D. B is composed of two units of E and one unit of D. C is made of one unit of B and two units of E. E is made of one unit of F.
Items B, C, E and F have one-week lead times; A and D have lead times of two weeks.
Assume that (L4L) lot sizing is used for Items A, B, and F lots of size 50, 50 and 200 are used for Items C, D, and E, respectively. Items C, D and F have on-hand beginning inventories of 10, 50 and 150, respectively; all other items have zero beginning inventory. We are scheduled to receive 10 units of A in Week 2, 50 units of E in Week 1 and also 50 units of F in Week 1. There are no other scheduled receipts. If 30 units of A are required in Week 8, use the low level coded bill-of-materials to find the necessary planned order releases for all components.






| Period: | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
Item: | A | Gross requirements | | | | | | | | 30 | | |
OH: | 0 | Scheduled receipts | | 10 | | | | | | | | |
LT: | 2 | On-Hand | 0 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | | |
SS: | 0 | Net requirements | | | | | | | | 20 | | |
Q: | L4L | Planned order receipts | | | | | | | | 20 | | |
| | Planned order releases | | | | | | 20 | | | | |
Item: | C | Gross requirements | | | | | | 20 | | | | |
OH: | 10 | Scheduled receipts | | | | | | | | | | |
LT: | 1 | On-Hand | 10 | 10 | 10 | 10 | 10 | 10 | 40 | 40 | | |
SS: | 0 | Net requirements | | | | | | 10 | | | | |
Q: | 50 | Planned order receipts | | | | | | 50 | | | | |
| | Planned...

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