The Gantt chart obtained is as follows-
It can be clearly observed
from the Gantt chart that the B,C, G & I are the activities
limiting the turn around time. We shall also realize that
activities B (Jet Bridge Connected), C (Passenger deplane) & I
(Passenger Boarded) are some of the non-controllable activities and
manipulating them would compromise the safety and customer
satisfaction quotient of the process.
Therefore, we should specifically target reducing the time taken to clean the cabin, which requires the highest time in the process. We should implement process which should ensure reduction in cabin wastes. In addition to this, we can also put in more personnel to reduce the effort/person in this activity and thus reducing the required time further. nevertheless, we can also put in more personals in activities other than B,C, G & I, to reduce respective time durations.
The AON for the process along with its critical path (marked in Red) is as shown-
The Critical path is A-B-C-G-I-J making the turn around time of 55
On reducing the activity time of G to 20, the network will look like this-
It can be seen that we now
obtain two critical paths, A-B-C-F-I-J & A-B-C-E-I-J making the
turn around time to a reduced value of 50.
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I have this case study to solve. i want to ask which
type of case study in this like problem, evaluation or decision? if
its decision then what are the criterias and all?
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