DRAWING NETWORK WHEN ACTIVITIES (INCLUDING DUMMY ACTIVITIES) REPRESENTED BY NODES ARE GIVEN.

Problem 6.25

Draw a network from the following activities and find a critical path and duration of project.

 

Activity Duration (Days)
1-2 30
1-3 7
2-4 10
3-4 (Dummy one) 0
3-10 30
4-5 14
4-8 21
5-6 10
6-7 7
7-8 (Dummy one) 0
7-9 7
8-9 12
8-10 (Dummy one) 0
9-11 15
10-11 15

Solution

Activities and Duration of Project
Various Paths Duration of Paths
1 - 2 - 4 - 5 - 6 - 7 - 8 - 9 - 11 (30 + 10 + 14 + 10 + 7 + 0 + 12 + 15) = 98
1 - 2 - 4 - 5 - 6 - 7 - 9 - 11 (30 + 10 + 14 + 10 + 7 + 7 + 15) = 93
1 - 2 - 4 - 8 - 9 - 11 (30 + 10 + 21 + 12 + ...

Get Quantitative Techniques: Theory and Problems now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.