task immediate task time

predecessor ( in min)

A - 0.3

B - 0.1

C a 0.7

D b 0.1

e d 0.8

F c, e 1

G f 0.2

a) Draw a precedence diagram and mark the workstation assigned to each task.

b) Assuming a 6 hours' workday. Compute the cycle time needed to obtain an output of 180

units per day.

c) Determine the minimum no of workstation required.

d) Assign task to workstations using this rule:

i. Assign task according to the greatest positional weight.

ii. In case of a tie, use the tiebreaker of assigning the task with the greatest

number of following tasks.

e) Compute Percent Idle time and Efficiency.