Lawn King Inc. makes two models of lawn mowers, the standard Lawn Mower 100 (par
ID: 369571 • Letter: L
Question
Lawn King Inc. makes two models of lawn mowers, the standard Lawn Mower 100 (part number 100) and the more powerful Lawn Mower 150 (part number 150). The following information is taken from the bill of material files for each of the lawn mowers.
Part Number
Made from Part
Number
Quantity per
100
301
2
302
2
150
302
1
305
1
301
303
2
304
1
302
303
302
2
304
Note that the company operates two shifts a day for five days a week, and each shift is 8 hours. However the company loses on the average 5 hours a week to unscheduled maintenance. On the other hand, the company has a well trained workforce and has recently demonstrated an efficiency level of 95%.
Partially completed Master Production Schedules for Lawn Mower 100 and 150 are given below. Lawn Mower 100 and 150 are built in lots of 200 and 100, respectively.
The MRP record for 100 shows that there are 200 units scheduled to be received in week 1. None is on hand. The lead time is two weeks and it is built in lots of 200.
The MRP record for 200 shows that there are 100 units scheduled to be received in week 1. None is on hand. The lead time is two weeks and it is built in lots of 200.
Part 301 is a component having a lead time of two weeks, and a lot size of 600. At present there are lots scheduled to be received in week 1 and week 2.
Part 302 is a component with a lead time of one week, and a lot size of 1500. At present there are 500 on hand and a lot to be received in week 1. Part 303 is a component having a lead time of one week, and a lot size of 1500. At present there is a lot scheduled to be received in week 1.
Part 304 is a component having a lead time of four weeks, and a lot size of 2000. At present there are 2200 on hand and there is a lot scheduled to be received in week 4.
Part 305 is a component with a lead time of one week, and a lot size of 1500. At present there are none on hand and a lot to be received in week 1
Master schedule
Week
1
2
3
4
5
6
7
8
9
10
Forecast
100
100
100
100
100
110
300
100
200
100
Customer Orders
95
90
90
130
90
50
190
60
120
30
Projected Available Balance
Master Production Schedule
200
200
200
200
200
200
Available to Promise
Master schedule
Week
1
2
3
4
5
6
7
8
9
10
Forecast
50
50
50
50
150
50
50
0
50
50
Customer Orders
45
48
48
50
120
30
35
10
25
30
Projected Available Balance
Master Production Schedule
100
Available to Promise
Questions
1.Perform Rough Cut Capacity Planning (RCCP) calculations (by using one of the RCCP methods) to check the feasibility of your proposed schedules. Comment on your results.
2. Perform Capacity Requirements Planning (CRP) calculations to check the feasibility of your proposed schedules. Comment on your results.
3. It is the beginning of week 1. What exception message(s) will the computer generate? What action(s), if any, should be taken?
Part Number
Made from Part
Number
Quantity per
100
301
2
302
2
150
302
1
305
1
301
303
2
304
1
302
303
302
2
304
Explanation / Answer
First of all thanks for posting the question.
Initially it depends on which model your company is using to build the project.
if its Agile then you have to make the changes as per client's requirements.
Second, if all the requirements are already closed then you can ask for time to your Project Manager because changes have been made. Right now you can contact your PM and Client for the Same they will help you.
Don't get stressed because things will not work properly if you do so.
If you can work extra hours (which should be billable), just do that.
Make the record of all changes that client is making and show it to PM so that he/she will get to know about it and will give you more time to develop.
Keep in Mind following things for your future:-
Start with the intention to develop a healthy relationship with your client
Educate your client about the real purpose of a revision.
Don't jump into doing a revision right after the client has provided their initial comments.
Clearly, define when change requests will be considered extra work and how this will be billed
Don't forget to show your goodwill and flexibility.
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