MGMT 335 HW#5
Please solve the following problem:
As part of a major plant renovation project, the industrial engineering department has been asked to balance a revised assembly operation to achieve an output of 240 units per eight-hour day. Task times and precedence relationships are as follows:
Task
Duration (minutes)
Immediate Predecessor
A
0.6
–
B
0.5
A
C
0.3
B
D
0.4
–
E
1.8
D
F
0.8
C
G
1.2
E, F
Do each of the following:
Draw the precedence diagram.
Determine the minimum cycle time, the maximum cycle time, and the calculated cycle time.
Determine the minimum number of stations needed.
Use a table to assign tasks to workstations on the basis of most following tasks. Use longest processing time as a tiebreaker. If ties still exist, assume indifference in choice.
Compute the percentage of idle time for the assignment in part d.