Page 258 - DCOM303_DMGT504_OPERATION_RESEARCH

Unit 12: Critical Path Method and PERT

Activity: A B C D E F G H I J K Notes
Time (days): 9 6 2 7 10 3 6 1 7 2 5
The predecessor activities are given below:
Activity Predecessor
A -
B -
C A
D A
E C
F B
G E,F
H D
I H,E
J I
K G

10. Draw the network from the following activity and find the critical path and total duration
of project.

Activity Duration (days)
1-2 5
1-3 3
1-4 6
2-3 8
2-5 7
3-5 2
4-5 6

11. Draw a network diagram and determine the project duration.
Activity Duration (weeks)
1-2 2
1-4 4
1-3 7
2-5 6
3-4 (Dummy) 0
4-6 6
3-6 8
5-7 10
5-6 9
5-8 2
6-7 6
7-9 2
8-9 5

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