A project consists of 8 activities. The activity completion times and the precedence relationships are as follows: Activity. Completion time Days. immediate predecessor activities.

A. 5 -
B. 7 -
C. 6 -
D. 3 A
E. 4 B, C
F. 2 C
G. 6 A, D
H. 5 E, F

1. Draw the network diagram using AON model notations:

2. What is the critical path?

3. Calculate: Early Start, Early finish, Late start, Late finish, slack, critical path.

4. What is the minimum time to complete the projects?

1. If activity E is delayed by 3 days how is the project completion time affected? Why is this the case?

2. If activity F is delayed by 3 days how is the project completion time affected? Why is this the case? Will the critical path change, why or why not?

3. If you want to shorten (crash) the overall time of this project, how do you pick which activity to shorten? What information, if any, do you need?

4. Once you shorten (crash) an activity, do you need to redo the AON, yes or no? Why or why not?

Please answer

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