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Left Side 1 2 3 4 5
Gross Requirements 100 500
On Hand/Scheduled Receipts 50 100
*****PART*****
1
2
3
4
5
6
7
8
-------
--------------------
-----
-----
----
-
-----
-
-----
-
-----
-
-----
-
-----
-
LAMP
GROSS REQUIREMENTS:
0
0
0
0
0
0
1000
1500
ON HAND/SCH RECEIPTS
200
0
0
0
0
0
0
0
NET REQUIREMENTS
0
0
0
0
0
0
800
1500
PLAN. ORDER RELEASES
0
0
0
0
0
800
1500
0
-------
--------------------
-----
-----
----
-
-----
-
-----
-
-----
-
-----
-
-----
-
SHADE
GROSS REQUIREMENTS:
0
0
0
0
0
800
1500
0
ON HAND/SCH RECEIPTS
400
0
0
0
0
0
0
0
NET REQUIREMENTS
0
0
0
0
0
400
1500
0
PLAN. ORDER RELEASES
0
0
400
1500
0
0
0
0
-------
--------------------
-----
-----
----
-
-----
-
-----
-
-----
-
-----
-
-----
-
FRAME
GROSS REQUIREMENTS:
0
0
0
0
0
800
1500
0
ON HAND/SCH RECEIPTS
100
0
0
0
0
0
0
0
NET REQUIREMENTS
0
0
0
0
0
700
1500
0
PLAN. ORDER RELEASES
0
0
0
700
1500
0
0
0
-------
--------------------
-----
-----
----
-
-----
-
-----
-
-----
-
-----
-
-----
-
NECK
GROSS REQUIREMENTS:
0
0
0
700
1500
0
0
0
ON HAND/SCH RECEIPTS
0
0
0
0
0
0
0
0
NET REQUIREMENTS
0
0
0
700
1500
0
0
0
PLAN. ORDER RELEASES
700
1500
0
0
0
0
0
0
-------
--------------------
-----
-----
----
-
-----
-
-----
-
-----
-
-----
-
-----
-
SOCKET
GROSS REQUIREMENTS:
0
0
0
700
1500
0
0
0
ON HAND/SCH RECEIPTS
300
0
0
0
0
0
0
0
NET REQUIREMENTS
0
0
0
400
1500
0
0
0
PLAN. ORDER RELEASES
0
400
1500
0
0
0
0
0
-------
--------------------
-----
-----
----
-
-----
-
-----
-
-----
-
-----
-
-----
-
BASE
GROSS REQUIREMENTS:
0
0
0
700
1500
0
0
0
ON HAND/SCH RECEIPTS
200
0
0
0
0
0
0
0
NET REQUIREMENTS
0
0
0
500
1500
0
0
0
PLAN. ORDER RELEASES
500
1500
0
0
0
0
0
0
-------
--------------------
-----
-----
----
-
-----
-
-----
-
-----
-
-----
-
-----
-
Actions to be taken immediately include ordering 700 necks and 500 bases.
b.
CAPACITY PLAN FOR ASSEMBLY
***WEEK***
1
2
3
4
5
6
7
8
-------
--------------------
-----
-----
----
-
-----
-
-----
-
-----
-
-----
-
-----
-
FRAME ASSEMBLY MINUTES
0
0
0
10500
22500
0
0
0
LAMP ASSEMBLY MINUTES
0
0
0
0
0
4000
7500
0
-------
--------------------
-----
-----
----
-
-----
-
-----
-
-----
-
-----
-
-----
-
TOTAL ASSEMBLY MINUTES
0
0
0
10500
22500
4000
7500
0
TOTAL ASSEMBLY HOURS
0
0
0
175
375
66.67
125
0
175 hours are required in week 4, 375 in week 5, 66 2/3 in week 6, and 125 hours
in week 7. If insufficient assembly time is available, the firm can either use
overtime or adjust the master schedule.
c. If the lead time for assembly of lamps will be extended from one to two weeks, it
will be necessary to find a way to obtain the 500 bases and 700 necks required to
the 2 week lead time for frames compressed.
8. a. 200 phones can be delivered from inventory in week 1, 250 can be assembled from
handset and base subassemblies and delivered in week 2, and 125 can be assembled
from component parts and delivered in week 3.
Materials Plan:
9. a.
**** WEEK ****
*****PART*****
1
2
3
4
BODY
GROSS REQUIREMENTS:
0
0
200
0
ON HAND/SCH RECEIPTS
25
0
0
0
NET REQUIREMENTS
0
0
175
0
PLAN. ORDER RELEASES
175
0
0
0
-------
--------------------
-----
-----
----
-
-----
-
HEAD
GROSS REQUIREMENTS:
0
0
200
0
ON HAND/SCH RECEIPTS
50
0
0
0
NET REQUIREMENTS
0
0
150
0
PLAN. ORDER RELEASES
0
150
0
0
-------
--------------------
-----
-----
----
-
-----
-
ARM
GROSS REQUIREMENTS:
0
0
400
0
ON HAND/SCH RECEIPTS
60
0
0
0
NET REQUIREMENTS
0
0
340
0
PLAN. ORDER RELEASES
340
0
0
0
-------
--------------------
-----
-----
----
-
-----
-
LEG
GROSS REQUIREMENTS:
0
0
400
0
ON HAND/SCH RECEIPTS
80
0
0
0
NET REQUIREMENTS
0
0
320
0
PLAN. ORDER RELEASES
0
320
0
0
-------
--------------------
-----
-----
----
-
-----
-
All orders are allowed one week for assembling. To meet the plan we need to order
immediately 340 arms and 175 bodies.
b. 25 robots can be assembled in one week and delivered to the customer ASAP. The
implication from this example is that this MRP system needs one week in order to
assemble the final product. For orders bigger than 25 we need the full four weeks
to be able to deliver on time.
c. This will move the order for heads one week ahead, so we need to place an
immediate order for 150 units from that supplier. This will protect the MRP
schedule and allow for assembly by week 4 as planned.
*****PART*****
1
2
3
4
5
6
7
8
-------
--------------------
-----
-----
----
-
-----
-
-----
-
-----
-
-----
-
-----
-
LAMP
GROSS REQUIREMENTS:
0
0
0
0
0
0
1000
1500
ON HAND/SCH RECEIPTS
200
0
0
0
0
0
0
0
NET REQUIREMENTS
0
0
0
0
0
0
800
1500
PLAN. ORDER RELEASES
0
0
0
0
0
800
1500
0
-------
--------------------
-----
-----
----
-
-----
-
-----
-
-----
-
-----
-
-----
-
SHADE
GROSS REQUIREMENTS:
0
0
0
0
0
800
1500
0
ON HAND/SCH RECEIPTS
400
0
0
0
0
0
0
0
NET REQUIREMENTS
0
0
0
0
0
400
1500
0
PLAN. ORDER RELEASES
0
0
400
1500
0
0
0
0
-------
--------------------
-----
-----
----
-
-----
-
-----
-
-----
-
-----
-
-----
-
FRAME
GROSS REQUIREMENTS:
0
0
0
0
0
800
1500
0
ON HAND/SCH RECEIPTS
100
0
0
0
0
0
0
0
NET REQUIREMENTS
0
0
0
0
0
700
1500
0
PLAN. ORDER RELEASES
0
0
0
700
1500
0
0
0
-------
--------------------
-----
-----
----
-
-----
-
-----
-
-----
-
-----
-
-----
-
NECK
GROSS REQUIREMENTS:
0
0
0
700
1500
0
0
0
ON HAND/SCH RECEIPTS
0
0
0
0
0
0
0
0
NET REQUIREMENTS
0
0
0
700
1500
0
0
0
PLAN. ORDER RELEASES
700
1500
0
0
0
0
0
0
-------
--------------------
-----
-----
----
-
-----
-
-----
-
-----
-
-----
-
-----
-
SOCKET
GROSS REQUIREMENTS:
0
0
0
700
1500
0
0
0
ON HAND/SCH RECEIPTS
300
0
0
0
0
0
0
0
NET REQUIREMENTS
0
0
0
400
1500
0
0
0
PLAN. ORDER RELEASES
0
400
1500
0
0
0
0
0
-------
--------------------
-----
-----
----
-
-----
-
-----
-
-----
-
-----
-
-----
-
BASE
GROSS REQUIREMENTS:
0
0
0
700
1500
0
0
0
ON HAND/SCH RECEIPTS
200
0
0
0
0
0
0
0
NET REQUIREMENTS
0
0
0
500
1500
0
0
0
PLAN. ORDER RELEASES
500
1500
0
0
0
0
0
0
-------
--------------------
-----
-----
----
-
-----
-
-----
-
-----
-
-----
-
-----
-
Actions to be taken immediately include ordering 700 necks and 500 bases.
b.
CAPACITY PLAN FOR ASSEMBLY
***WEEK***
1
2
3
4
5
6
7
8
-------
--------------------
-----
-----
----
-
-----
-
-----
-
-----
-
-----
-
-----
-
FRAME ASSEMBLY MINUTES
0
0
0
10500
22500
0
0
0
LAMP ASSEMBLY MINUTES
0
0
0
0
0
4000
7500
0
-------
--------------------
-----
-----
----
-
-----
-
-----
-
-----
-
-----
-
-----
-
TOTAL ASSEMBLY MINUTES
0
0
0
10500
22500
4000
7500
0
TOTAL ASSEMBLY HOURS
0
0
0
175
375
66.67
125
0
175 hours are required in week 4, 375 in week 5, 66 2/3 in week 6, and 125 hours
in week 7. If insufficient assembly time is available, the firm can either use
overtime or adjust the master schedule.
c. If the lead time for assembly of lamps will be extended from one to two weeks, it
will be necessary to find a way to obtain the 500 bases and 700 necks required to
the 2 week lead time for frames compressed.
8. a. 200 phones can be delivered from inventory in week 1, 250 can be assembled from
handset and base subassemblies and delivered in week 2, and 125 can be assembled
from component parts and delivered in week 3.
Materials Plan:
9. a.
**** WEEK ****
*****PART*****
1
2
3
4
BODY
GROSS REQUIREMENTS:
0
0
200
0
ON HAND/SCH RECEIPTS
25
0
0
0
NET REQUIREMENTS
0
0
175
0
PLAN. ORDER RELEASES
175
0
0
0
-------
--------------------
-----
-----
----
-
-----
-
HEAD
GROSS REQUIREMENTS:
0
0
200
0
ON HAND/SCH RECEIPTS
50
0
0
0
NET REQUIREMENTS
0
0
150
0
PLAN. ORDER RELEASES
0
150
0
0
-------
--------------------
-----
-----
----
-
-----
-
ARM
GROSS REQUIREMENTS:
0
0
400
0
ON HAND/SCH RECEIPTS
60
0
0
0
NET REQUIREMENTS
0
0
340
0
PLAN. ORDER RELEASES
340
0
0
0
-------
--------------------
-----
-----
----
-
-----
-
LEG
GROSS REQUIREMENTS:
0
0
400
0
ON HAND/SCH RECEIPTS
80
0
0
0
NET REQUIREMENTS
0
0
320
0
PLAN. ORDER RELEASES
0
320
0
0
-------
--------------------
-----
-----
----
-
-----
-
All orders are allowed one week for assembling. To meet the plan we need to order
immediately 340 arms and 175 bodies.
b. 25 robots can be assembled in one week and delivered to the customer ASAP. The
implication from this example is that this MRP system needs one week in order to
assemble the final product. For orders bigger than 25 we need the full four weeks
to be able to deliver on time.
c. This will move the order for heads one week ahead, so we need to place an
immediate order for 150 units from that supplier. This will protect the MRP
schedule and allow for assembly by week 4 as planned.
