Example for practice
•A project consists of 6 activities whose description is
given as:
activity
Normal duration
(days)
Crash duration (days)
Crash cost per day
1
-2
9
6
20
1
-3
8
5
25
1
-4
15
10
30
2
-4
5
3
10
3
-4
10
6
15
4
-5
2
1
40
Questions
•Draw a network diagram and obtain normal project duration.
•Find the additional cost of finishing the project within the minimum
time period
•Critical path 1-3-4-5
1
2
45
3
9
10
15
8
2
5
0/0
4/
9/13
8/8
18/18 20/20
•1-4-5 or 1-3-4-5
•Cost=45 1
2
9
5
4/
9/10
15/15 17/17
