TUGAS MANAJEMEN OPERASI BAB 14
NO. 14.7
Diketahui:
S
2U
1T
1V
2W
1X
Keterangan :
= Level 0
= Level 1
= Level 2
PARENTS : S, T, U
KIDS/COMPONENTS : T,U,V,W,X,Y,Z
BILL OF MATERIAL (BOM)
S = 100 units
T = 100 * 1 = 100 units
U = 100 * 2 = 200 units
V = 100 * 1 = 100 units
X = 100 * 1 = 100 units
Y = 100 * 2 = 200 units
Z = 100 * 3 = 300 units
2Y
3X
GROSS REQUIREMENT PLANNING
ITEM
Week
Lead
Time
1
2
3
4
5
6
7
S
100
Order
100
Release
2
T
100
Order
100
Release
1
U
200
Order
200
Release
2
V
100
Order
100
Release
2
W
200
Order
200
Release
3
X
100
Order
100
Release
1
Y
400
Order
400
Release
2
Z
600
Order
600
Release
1
14.7 Using the information in Problem 14.5, construct a net material requirements plan using the following on-hand inventory
ITEM
S
T
U
V
ON-HAND
INVENTORY
ITEM
20
20
40
30
W
X
Y
Z
ON-HAND
INVENTORY
30
25
240
40
NET REQUIREMENTS PLANNING
Lot
Size
Lot for Lot
Lot for Lot
Lot for Lot
Lot for Lot
Lot for Lot
Lead
Time
(weeks)
2
1
2
2
3
On
Safety
Allo-
Hand
Stock
cated
20
20
40
30
30
-
-
-
-
-
-
-
-
-
-
LowLevel
Code
0
1
1
2
2
Item
Week
Identification
S
T
U
V
W
1
Gross Requirements
Scheduled Receipts
Projected On Hand | 20
Net Requirements
Planned Order Receipts
Planned Order Released
Gross Requirements
Scheduled Receipts
Projected On Hand | 20
Net Requirements
Planned Order Receipts
Planned Order Released
Gross Requirements
Scheduled Receipts
Projected On Hand | 40
Net Requirements
Planned Order Receipts
Planned Order Released
Gross Requirements
Scheduled Receipts
Projected On Hand | 30
Net Requirements
Planned Order Receipts
Planned Order Released
Gross Requirements
Scheduled Receipts
Projected On Hand | 30
Net Requirements
Planned Order Receipts
20
2
20
3
4
20
5
20
6
20
80
80(S)
20
20
20
20
20
60
60
60
160(S)
40
40
40
40
120
60(T)
30
30
30
30
30
30
30
120(T)
30
30
30
30
90
90
40
120
120
20
7
100
20
80
80
Lot for Lot
Lot for Lot
Lot for Lot
1
2
1
25
240
40
-
-
-
-
2
2
-
2
X
Y
Z
Planned Order Released
Gross Requirements
Scheduled Receipts
Projected On Hand | 25
Net Requirements
Planned Order Receipts
Planned Order Released
Gross Requirements
Scheduled Receipts
Projected On Hand | 240
Net Requirements
Planned Order Receipts
Planned Order Released
Gross Requirements
Scheduled Receipts
Projected On Hand | 40
Net Requirements
Planned Order Receipts
Planned Order Released
90
60(T)
25
25
25
25
35
35
35
240(U)
240
240
240
0
0
0
360(U)
40
40
40
320
320
320
14.26 Courtney Kamauf schedules production of a popular Rustic Coffee Table at Kamauf Enterprises, Inc. The table requires a top, four legs, 1/8 gallon of stain, 1/16 gallon of glue, 2 short
braces between the legs and 2 long braces between the legs, and a brass cap that goes on the bottom of each leg. She has 100 gallons of glue in inventory, but non,, e of the other components. All
items except the brass caps, stain, and glue are ordered on a lot for-lot basis. The caps are purchased in quantities of 1,000, stain and glue by the gallon. Lead time is 1 day for each item. Schedule
the order releases necessary to produce 640 coffee tables on days 5 and 6, and 128 on days 7 and 8.