Bill of material x a b 3 1 1 2 lead time wk quantity

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Bill of material: X A B 3 1 1 2 Lead Time (WK) Quantity Master Schedule: Week 1 2 3 4 5 MPS planned order releases for X 110 60 15
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Material Requirements Plan: Item number A on-hand quantity= 70; lead time =3WK Lot size = 100 safety stock = 0 Gross requirements Schedules receipts 100 Projected available balance Net requirements Planned order receipts Planned order releases 110 60 15 70 60 60 0 0 85 15 100 100
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Item number B on-hand quantity = 20 lead time = 1 WK Lot size = lot-for-lot safety stock = 0 Gross requirements Scheduled receipts 200 Projected available balance Net requirements Planned order receipts Planned order releases 220 120 30 20 0 0 0 0 0 120 30 120 30 30 120 0
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Gross requirement Given the following data, develop a materials requirements plan for all items. Order quantities are always the minimum needed to satisfy immediate requirements. (Lot- for-lot) Gross requirements for end products: End product Week 1 2 3 4 5 6 7 8 A 30 10 B 20 5
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Product structure tree: A B C(2) C(1) E(2) C(1) E(2) D(3) D(1) F(3)
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Item: A Lead Time: 1week Safety Stock- 0 Order Quantity: L4L Parent: None Period 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Gross requirement 30 10 On hand 5 5 5 5 5 5 0 0 0 0 0 Net requirement 25 10 Planned order receipts 25 10 Planned order releases 25 10
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Item: B Lead Time: 2-week Safety Stock- 0 Order Quantity: L4L Parent: None Period 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Gross requirement 20 5 On hand 0 0 0 0 0 0 0 0 0 0 Net requirement 20 5 Planned order receipts 20 5 Planned order releases 20 5
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Item: F Lead Time: 3-week Safety Stock- 0 Order Quantity: L4L Parent: B Period 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Gross requirement 60 15 On hand 70 70 70 10 10 10 0 0 Net requirement 0 5 Planned order receipts 5 Planned order releases 5
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Item: D Lead Time: 1-week Safety Stock- 0 Order Quantity: L4L Parent: A(3), B(1) Period 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Gross requirement 20 75 5 30 On hand 25 25 25 5 5 0 0 0 Net requirement 0 70 5 30 Planned order receipts 70 5 30 Planned order releases 70 5 30
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Item: C Lead Time: 3-week Safety Stock- 0 Order Quantity: L4L Parents: A(2), D(1) Period 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Gross requirement 70 55 30 20 On hand 10 10 10 10 0 0 0 6 Net requirement 60 55 30 20 Planned order receipts 60 55 30 20 Planned order releases 60 55 30 20
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Item: E Lead Time: 2-week Safety Stock- 0 Order Quantity: L4L Parents: D(2) Period 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Gross requirement 140 10 60 On hand 0 0 0 0 0 0 0 Net requirement 140 10 60 Planned order receipts 140 10 60 Planned order releases 14 0 10 60
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Item: C Description: Seat subassembly Lot Size: 230 units Lead Time: 2 weeks Gross requirements 150 150 1 230 230 117 117 0 2 0 0 3 0 120 120 4 0 5 0 150 150 6 0 120 120 7 0 8 0 Scheduled receipts Projected on-hand inventory Planned receipts Planned order releases 37 Week 0 0 117 117 117 117 227 227 230 230 230 230 227 227 77 77 230 230 187 187 230 Planned Orders Planned Orders Figure 16.6 Figure 16.6 Explanation: The corresponding planned order release is for week 5.
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Lot-Sizing Rules Lot-Sizing Rules POQ POQ Item: C Description: Seat subassembly Lot Size: P = 3 Lead Time: 2 weeks Gross requirements 150 150 1 230 230 117 117 2 3 120 120 4 5 150 150 6 120 120 7 8 Scheduled receipts Projected on-hand inventory Planned receipts Planned order releases 37 Week 117 117 117 153 153 150 150 153 153 150 0 0 0 120 120 120 120
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Lot-Sizing Rules Lot-Sizing Rules L4L L4L Item: C
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