Concept explainers
What is the difference between a gross requirements plan and a net requirements plan?
To determine: The difference between gross requirements and the net requirements plan.
Introduction:
Gross requirements plan:
The gross requirements plan is the plan where the independent and dependent demand for a product or a component before the on-hand inventory and the scheduled receipts are netted with.
Net requirements plan:
The net requirements plan is the plan which is established on the gross requirements plan formed by deducting the stock on hand and the scheduled receipts. If the total requirement is below the safety stock levels, a planned order is made based on the given lot sizing technique.
Explanation of Solution
Difference between gross and net requirements concept:
Gross requirements plan | Net requirements plan |
It is the plan which is made prior to subtraction of inventory on hand and scheduled receipts. | It is the plan which will take into considerationof the scheduled receipts and inventory on hand before the plan is made. |
The plan is the requirement which needs to be made and the production to be started. | If the requirement is fewer than the stock, the planned order release will be made for the item. |
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Chapter 14 Solutions
Operations Management: Sustainability and Supply Chain Management (12th Edition)
- Given the following product structure, master production schedule, and inventory status below and assuming the requirements for each BOM item is 1: (a) develop a gross requirements plan for Item C; (b) develop a net requirements plan for Item C. Click the icon to view the product structure, master production schedule and inventory status. a) Develop a gross requirements plan for Items C. To do so, first find the gross requirements plans for its parents: items A and H. (Enter your responses as whole numbers). Item A Gross req 1 2 More Info 3 Period Gross requirements: A Gross requirements: H Item A B C D E 4 A On Hand 15 110 60 40 85 5 Week 6 7 8 100 Lead Time 1 2 2 1 2 Q 9 90 8 Item F G H E J K 10 60 9 On Hand 80 65 20 110 110 10 11 50 E H K 11 12 12 160 Lead Time 2 1 1 2 2 G C ■ G Xarrow_forwardWhat characteristics of a "good" requirements document (rather than the characteristics of a single demand) should be considered? List and describe four (4) characteristics of a "good" requirements document, as well as their relative relevance.arrow_forwardDistinguish between functional and non-functional demands by explaining how a system requirements engineer keeps track of the relationships between them.arrow_forward
- What is requirements management? Why is it needed?arrow_forwarda) Given the product structure and master production scheduleshown in Figure 14.12, develop a gross requirements plan forall items.b) G iven the product structure, master production schedule, andinven tory status shown in Figure 14.12, develop a net requirementsplan (planned order release) for all items.arrow_forwardUsing the information in(You need to schedule I0 units of product Alpha fordelivery in 6 weeks. Three units of D and 2 units ofF are requiredfor each Alpha. The lead time for Alpha is I week. Lead time forD is I week, and lead time for F is 2 weeks.a) Construct a product structure.b) Prepare a time-phased product structure.c) Prepare a gross requirements plan for Alpha. ), construct a netmaterial requirements plan. There are 2 Alphas on hand and 4 Ds.arrow_forward
- Please help with this Thanksarrow_forwardAs the production planner for Xiangling Hu Products, Inc., you have been given a bill of material for a bracket that is made up of a base, 2 springs, and 4 clamps. The base is assembled from 1 clamp and 1 housing. Each clamp has 1 handle and 2 castings. Each housing has 1 bearing and 2 shafts. There is no inventory on hand. Part 2 a) Design a product structure noting the quantities for each item and show the low-level coding. Match each number in the structure below with the corresponding item. Number Item I Spring Subscript left parenthesis 2 right parenthesisSpring(2) II Housing Subscript left parenthesis 1 right parenthesisHousing(1) III Casting Subscript left parenthesis 2 right parenthesisCasting(2) IV Shaft Subscript left parenthesis 2 right parenthesisShaft(2) Bracket Base(1) Clamp(1) Handle(1) Clamp(4) Bearing(1) Handle(1) Casting(2) IIIIIIIV Part 3 b) Determine the…arrow_forwardAs the production planner for Xiangling Hu Products, Inc., you have been given a bill of material for a bracket that is made up of a base, 1 spring, and 3 clamps. The base is assembled from 2 clamp and 1 housing. Each clamp has 1 handle and 1 casting. Each housing has 2 bearing and 2 shaft. There is no inventory on hand. Part 2 a) Design a product structure noting the quantities for each item and show the low-level coding. Match each number in the structure below with the corresponding item. Number Item I Bracket II Spring Subscript left parenthesis 1 right parenthesis III Clamp Subscript left parenthesis 3 right parenthesis IV Bearing Subscript left parenthesis 2 rightarrow_forward