The following table details the task required for Dalass based T. Lisco Industries tomanufacture a fully portable industrial vacuum cleaner. The times in the table are in minutes. Demand forecasts indicate the need to operate with a cycle time of 10 minutes.
|
Task
|
Preceding task
|
Time
|
|
A
|
Attach wheels to tub
|
-
|
5
|
|
B
|
Attach motor to lid
|
-
|
1.5
|
|
C
|
Attach battery pack
|
B
|
3
|
|
D
|
Attach safety cutoff
|
C
|
4
|
|
E
|
Attach filters
|
B
|
3
|
|
F
|
Attach lid to tub
|
A, E
|
2
|
|
G
|
Assemble attachments
|
-
|
3
|
|
H
|
Function test
|
D,F,G
|
3.5
|
|
I
|
Final inspection
|
H
|
2
|
|
J
|
packing
|
I
|
2
|
Produce a short report on the proposed layout offering the following:
(a) A diagram showing the relationships among the tasks
(b) The cycle time
(c) Minimum number of workstations that can be formed
(d) Identification of tasks in each work station using a combination of algorithmic and heuristic approaches
(e) The efficiency of the line
(f) Compare your solution with that generated by POM-QM for Windows and explain the reasons for the differences between these (if any)