The Irving Companies are a small conglomerate specializing in health-related businesses, from
wholesale planning to in-home health care and medical supplies. The company wants to replace
its old legacy systems with an ERP system. The tasks required are the following:
No. Task Duration (days) Predecessors
1. Define the business case 60
2. Specify requirements 10 1
3. Select an installer/system integrator 10 2
4. Select an ERP vendor 10 3
5. Install the system
6. Install phase 1 10 4
7. Install phase 2 10 6
8. Install phase 3 12 7
9. Perform parameterization
10. Parameterize phase 1 22 8
11. Parameterize phase 2 15 10
12. Parameterize phase 3 14 11
13. Perform testing
14. Test phase 1 of the system 20 12
15. Test phase 2 of the system 20 14
16. Test phase 3 of the system 30 15
17. Conduct overall testing 5 15, 16
18. Conduct acceptance test 2 17
19. Perform training
20. Train for phase 1 cut-over 10 18
21. Train for phase 2 cut-over 10 20
22. Train for phase 3 cut-over 12 21
23. Perform cut-over
24. Perform phase 1 cut-over 2 22
25. Perform phase 2 cut-over 3 24
26. Perform phase 3 cut-over 4 25
27. Assess performance in relation to specs 2 24, 25, 26
28. Closeout 2 27
Complete the following:
1. Determine the project total duration.
2. State the total slack/float in each activity
3. Assume one distinct person is assigned to each of the three phases. The person assigned
to phase 1 costs $75/hr, while the person assigned to phase 2 costs $95/hr and phase 3
costs $80/hr. Assume all other work is performed by the project manager at $150/hr.
4. Determine the project overall cost.
5. Highlight and state the critical path of the project.
6. Describe some ways to get it completed sooner, without adding resources.
7. Print the Gantt view of your project with the entry table shown and a cost column
included in that table.
Subject: Business, Management, Project Management