OPERATIONS MANAGEMENT LL
13th Edition
ISBN: 9781260819922
Author: Stevenson
Publisher: MCG CUSTOM
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Question
Chapter 12, Problem 3P
a)
Summary Introduction
To determine: The required units of Item B, if 40 units of end items are to be assembled.
Introduction: Materials requirement planning (MRP) is the planning or
b)
Summary Introduction
To determine: The latest week that the order can be started and still be ready to ship on time.
Introduction: Materials requirement planning (MRP) is the planning or scheduling system used in manufacturing process. It is used to manage the process efficiently.
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Product M is made of two units of N and two of P. N is made of two units of R and four units of S. R is made of one unit of S and three units of T. P is made of two units of T and four units of U.
a. Show the bill-of-materials (product structure tree).
b. If 100 Ms are required, how many units of each component are needed?
c. Show both a single-level parts list and an indented parts list.
In each of the following, name the term defined or answer the question. Answers are listed at the bottom.
1. A term used for a computer system that integrates application programs for the different functions in a firm.
2. The logic used to calculate the needed parts, components, and other materials needed to produce an end item.3. This drives the MRP calculations and is a detailed plan for how we expect to meet demand.
4. Period of time during which a customer has a specified level of opportunity to make changes.
5. This identifies the specific materials used to make each item and the correct quantities of each.6. If an item is used in two places in a bill-of-materials, say level 3 and level 4, what low-level code would be assigned to the item?
The following table lists the components needed to assemble an end item, lead times (in weeks), and quantities on hand.
Item
Lead Time
Amount
Direct Components
on Hand
End
1
0
L(2), C(1), K(3)
L
1
10
B(2), J(3)
C
2
14
G(2), B(2)
K
2
19
H(4), B(2)
B
1
34
J
2
25
G
2
7
H
3
0
a. If 43 units of the end item are to be assembled, how many additional units of B are needed?
b. An order for the end item is scheduled to be shipped at the start of week 9. What is the latest week that the order can be started and still be ready to ship on time?
Chapter 12 Solutions
OPERATIONS MANAGEMENT LL
Ch. 12.11 - What is ERP?Ch. 12.11 - What are the three main reasons firms adopt ERP?Ch. 12.11 - What are some hidden costs of ERP?Ch. 12.11 - How does ERP fit with e-commerce and supply chain...Ch. 12 - Contrast independent and dependent demand.Ch. 12 - When is MRP appropriate?Ch. 12 - Briefly define or explain each of these terms: a....Ch. 12 - Prob. 4DRQCh. 12 - Prob. 5DRQCh. 12 - What is meant by the term safety time?
Ch. 12 - Prob. 7DRQCh. 12 - Briefly discuss the requirements for effective...Ch. 12 - Prob. 9DRQCh. 12 - How can the use of MRP contribute to productivity?Ch. 12 - Prob. 11DRQCh. 12 - What is lot sizing. what is its goal, and why is...Ch. 12 - Contrast planned-order receipts and scheduled...Ch. 12 - If seasonal variations are present, is their...Ch. 12 - Prob. 15DRQCh. 12 - What are some unforeseen costs of ERP?Ch. 12 - What trade-offs are involved in the decision to...Ch. 12 - Who in the organization needs to be involved in...Ch. 12 - Prob. 3TSCh. 12 - Prob. 1CTECh. 12 - Give one example of unethical behavior involving...Ch. 12 - a. Given the following diagram for a product,...Ch. 12 - Prob. 2PCh. 12 - Prob. 3PCh. 12 - Eighty units of end item E are needed at the...Ch. 12 - a. One hundred twenty units of end item Z are...Ch. 12 - A table is assembled using three components, as...Ch. 12 - Eighty units of end item X are needed at the...Ch. 12 - Oh No!, Inc., sells three models of radar detector...Ch. 12 - Assume that you are the manager of a shop that...Ch. 12 - Assume that you are the manager of Assembly, Inc....Ch. 12 - Determine material requirements plans for pans N...Ch. 12 - A firm that produces electric golf carts has just...Ch. 12 - Refer to Problem 12. Assume that unusually mild...Ch. 12 - Using the accompanying diagram, do the following:...Ch. 12 - A company that manufactures paving material for...Ch. 12 - Prob. 16PCh. 12 - The MRP Department has a problem. Its computer...Ch. 12 - Develop a material requirements plan for component...Ch. 12 - How many wheels sets should the manager order?Ch. 12 - When should the wheel sets be ordered?Ch. 12 - Prob. 2.1CQCh. 12 - Prob. 1OTQCh. 12 - Prob. 2OTQCh. 12 - Suppose the company has just received an order for...Ch. 12 - Prob. 4OTQCh. 12 - Prob. 5OTQ
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Similar questions
- 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.arrow_forwardThe three tables above show the master production schedule and the bill of materials of part A, and the inventory records of all the parts. There are no scheduled receipts. Given this information, what is the net requirement of part A in Week 4?arrow_forwardIn 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. Note: Leave the cells blank, whenever zero (0) is required. ITEM J Gross requirements On-hand Net requirements Planned-order receipt Planned-order release Item: J OH: 47 LT: 1 SS: 0 Q: L4L Period WEEK NUMBER 0 1 2 3 4 5 77 52 75 47 Gross requirements Scheduled receipts Projected available balance Net requirements Planned order receipts Planned order releases 2 5 77 52 75arrow_forward
- The following table lists the components needed to assemble an end item, lead times (in weeks), and quantities on hand. Item Lead Time Amount on Hand Direct Components End 2 0 L(2), C(1), K(3) L 2 11 B(2), J(3) C 3 15 G(2), B(2) K 3 20 H(4), B(2) B 2 25 J 3 34 G 3 3 H 2 0 Click here for the Excel Data File a. If 43 units of the end item are to be assembled, how many additional units of B are needed? (Hint: You don’t need to develop an MRP plan.) b. An order for the end item is scheduled to be shipped at the start of week 11. What is the latest week that the order can be started and still be ready to ship on time? (Hint: You don’t need to develop an MRP plan.)arrow_forwardIn 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. (Leave no cells blank-be certain to enter "0" wherever required.) ITEM 3 Gross requirements On-hand Net requirements Planned order receipt Planned order release Period Gross requirements Scheduled receipts Projected available balance Net requirements Planned order receipts Planned order releases WEEK NUMBER 2 3 76 4 48 76 5 72 48 72arrow_forwardProduct M is made of two units of N and two of P. N is made of two units of R and four units of S. Ris made of one unit of S and three units of T. P is made of two units of T and four units of U. a. Show the bill-of-materials (product structure tree). b. If 100 Ms are required, how many units of each component are needed? c. Show both a single-level parts list and an indented parts list.arrow_forward
- Your boss at Xiangling Hu Products, Inc., has just provided you with the schedule and lead times for the bracket. The unit is to be prepared in week 10. The lead times for the components a re bracket (I week), base (1 week), spring ( I week), clamp (I week), housing (2 weeks), handle (I week), casting (3 weeks), bearing (I week), and shaft (1 week).a) Prepare the time-phased product structure for the bracket.b) In what week do you need to start the castings?arrow_forwardProblem 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. (Leave no cells blank - be certain to enter "0" wherever required.) ITEM J Gross requirements On hand Net requirements Planned order receipt Planned order release Item J LT=1 Q=L4L 0 47 Period Gross requirements Scheduled receipts Projected available balance Net requirements Planned order receipts Planned order releases 1 WEEK NUMBER 2 3 77 4 52 5 75 2 77 52 5 75arrow_forwardWhat are some common techniques and methodologies for prioritizing requirements in complex projects? How can the MoSCoW method and the Kano model be applied in this context?arrow_forward
- 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. (Leave no cells blank - be certain to enter "o" wherever required.) WEEK NUMBER ITEM J Gross requirenents On-hand Net requirements Planned order receipt Planned order release 70 45 65 30 Perlod 2. Gross requirements 70 45 65 Scheduled receipts Projected available balance Net requirements Planned order receipts Planned order releasesarrow_forwardThe following table lists the components needed to assemble an end item, lead times (in weeks),and quantities on hand. Item Lead Time Amount on Hand Direct ComponentsEnd 1 — L(2), C(1), K(3)L 2 10 B(2), J(3)C 3 15 G(2), B(2)K 3 20 H(4), B(2)B 2 30J 3 30G 3 5H 2 —a. If 40 units of the end item are to be assembled, how many additional units of B are needed?(Hint: You don’t need to develop an MRP plan.)b. An order for the end item is scheduled to be shipped at the start of week 8. What is the latestweek that the order can be started and still be ready to ship on time? (Hint: You don’t need todevelop an MRP plan.)arrow_forwardMRP EXERCISE The product M is obtained from two units of N and three units of P. N is obtained from 2 units of R and 4 units of S. R is obtained from one unit of S and three units of T. P is obtained from two units of T and four units of U. Plot the structural tree of the productWrite the list of materialsIf 100M are needed by early morning April 28th and the lead time for all parts is one day (regardless of lot size), how many units of each part are needed and when should they be released? to manufacture?Note: work from Monday to Friday.arrow_forward
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