Problem:
Consider a project having the following ten activities:
|
Activity
|
Immediate Predecessors
|
Normal Time (weeks)
|
|
A
|
none
|
7
|
|
B
|
none
|
3
|
|
C
|
A
|
5
|
|
D
|
A, B
|
6
|
|
E
|
C, D
|
4
|
|
F
|
D
|
4
|
|
G
|
C
|
9
|
|
H
|
E, G
|
8
|
|
I
|
E, F
|
6
|
|
J
|
H, I
|
5
|
Required:
Question 1) Draw a network diagram. Identify the activities on the critical path.
Question 2) What is the duration of the critical path?
Question 3) Calculate the amount of slack time for each activity.
Question 4) If activity I were delayed by 5 time units, what would be the impact on the project duration?
Solve the given numerical problem and illustrate step by step calculation.