The demand for subassembly S is 90 units in week 7 Each unit of 5 requires 1 unit of T and 1 unit of U. Each unit of T requires 1 unit of V, 1 unit of W, and 2units of X. Finally, each unit of U requires 1 unit of Y and 3 units of Z. One firm manufactures all dems. It takes 2 weeks to make S, 2 weeks to make T, 2 weeksto make U, 2 weeks to make V, 2 weeks to make W, 1 week to make X 2 weeks to make Y, and 2 weeks to make ZClick the icon to view the product structure and the time-phased product structureIn addition to 90 units of S, there is also a demand for 20 units of U, which is a component of S. The 20 units of U are needed for maintenance purposesThese units are needed in week 6. Modify the gross material requirements plan to reflect this change (type 0 if the input box is not used)ItemSTUVWXYGross reqOrder releaseGross reqOrder releaseGross reqOrder releaseGross roqOrder releaseGross reqOrder releaseGross reqOrder releaseGross reqOrder releaseE2TP3BEWeek45 67Lead Time(weeks)221222

Gross requirementThe gross requirement is the total demand expected for an item in a particular…

Answered: The demand for subassembly S is 90…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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Ripeka, the warehouse manager at Hine would like to update the company’s inventory locator system so that the picking operation can be streamlined. While conceptually simple to do, she knows that there will be several steps to the update process that will have to be carefully managed. She needs to complete upgrade and train her staff in operating the new system before the busy season, which is only 4 months away. She identifies the various activities, expected time duration, predecessors and costs, as shown in the table. Draw the AON Network, and then determine the critical path. [Show your workings, using the grid network.] Identify the project duration – is this project feasible within the required timeframe?
9. Item WWW is produced in a transfer line. Determine daily output rate given the following processing times and unit transfer strategy between the machines. 1 process 3nd process 5th process Machine J process 4th process Machine LL Machine D Machine RR Machine S Unit process .15 hr |.12 .18 .16 .12 time Note: 2 shifts work. 8 hours/shift. 10. How can we increase the output in the above problem? Discuss and show results. 11. Item YYY is processed on machine M1 first and then machine M2. The desired annual output is 5000 units. Unfortunately, there are quality issues and the scrap factor for M1 is 0.05 and for M2 is 0.10. Determine how many units we have to start the process with. 12. Repeat problem 11 if we could recover 2% of scraps on M1 and 4% of scraps on M2.
One unit of A is made of two units of B, three units of C, and two units of D. B is composed of one unit of E and two units of F. Cis made of two units of Fand one unit of D. E is made of two units of D. Items A. C. D. snd F have one-week lesd times; B and E have lead times of two weeks. Lot-for-lot (L4L) lot sizing is used for Items A, B, C, and D: lots of size 50 and 220 are used for Items E and F. respectively. Item C has an on-hand (beginning) inventory of 20; D has an on-hand inventory of 50; all other items have zero beginning inventories. We are scheduled to receive 20 units of Item E in Week 2; there are no other scheduled receipts. If 25 units of A sre required in Week 8, use the low-level-coded bill-of-materials to find the necessory planned-order relesses for all components. (Leave the cells blank, whenever zero (0) is required.) Perlod: 2 4 5 7 Grass requirements Scheduled receipts Item: A OH: 0 LT: 1 SS: 0 Q: L4L Prajected available balance Net requirements Planned arder…
As the production planner for Xiangling HuProducts, Inc., you have been given a bill of material fora bracket that is made up of a base, two springs, and fourclamps. The base is assembled from one clamp and twohousings. Each clamp has one handle and one casting. Eachhousing has two bearings and one shaft. There is no inventoryon hand. a) Design a product structure noting the quantities for eachitem and show the low-level coding.b) Determine the gross quantities needed of each item if youare to assemble 50 brackets.c) Compute the net quantities needed if there are 25 of thebase and 100 of the clamp in stock.
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Refer again to Problem ( Using the information in Problem (The demand for subassembly Sis 100 units in week 7. Each unit ofS requires 1 unit ofT and 2 units ofU. Each unit ofT requires I unit ofY, 2 units ofW, and 1 unit of X. Finally, eachunit of U requires 2 units of Y and 3 units of Z. One firm manufacturesall items. It takes 2 weeks to make S, 1 week to make T, 2 weeks to make U, 2 weeks to make Y, 3 weeks to make W,I week to make X, 2 weeks to make Y, and I week to make Z.a) Construct a product structure. Identify all levels, parents, and components.b) Prepare a time-phased product structure. ), construct a netmaterial requirements plan using the following on-hand inventory. ) In addition to100 units of S, there is also a demand for 20 units of U, which isa…
Develop a material requirements plan for component H. Lead times for the end item and each component except B are one week. The lead time for B is three weeks. Sixty units of A are needed at the startof week 8. There are currently 15 units of B on hand and 130 of E on hand, and 50 units of H are inproduction and will be completed by the start of week 2. Lot-for-lot ordering will be used for all items.
The demand for subassembly Sis 100 units in week 7.Each unit ofS requires 1 unit ofT and 2 units ofU. Each unit ofT requires I unit ofY, 2 units ofW, and 1 unit of X. Finally, eachunit of U requires 2 units of Y and 3 units of Z. One firm manufacturesall items. It takes 2 weeks to make S, 1 week to make T, 2 weeks to make U, 2 weeks to make Y, 3 weeks to make W,I week to make X, 2 weeks to make Y, and I week to make Z.a) Construct a product structure. Identify all levels, parents, and components.b) Prepare a time-phased product structure.

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