Question
Linda Construction LLC is a general contracting company. The company performs contracted work mainly in the area of engineering and heavy construction. The company executes
Linda Construction LLC is a general contracting company. The company performs contracted work mainly in the area of engineering and heavy construction. The company executes multiple projects simultaneously at any given time and each project is managed by a project manager (YOU in this case as a project manager working there).
Most contracts are awarded to your company on the fixed cost basis contract and on "design bid-build" basis procurement method. This means that projects executed by your company can only be profitable by completing projects on time and within budget with a heavy penalty on late completion. However, in construction projects, cost and/or schedule overruns could occur due to a variety of internal and/or external factors. These costs or schedule overruns can quickly wipe out profit margins and may result in a loss. Project losses generally are the result of problems of a few activities in a project which may impact other activities and hence, the entire project may be impacted negatively. It is not possible to avoid all schedule or cost overruns (like schedule overruns due to severe weather conditions), however, proper project monitoring can reduce the impact of these overruns.
Recently your company has been awarded a contract by a mining company for building a community centre on a fixed cost "design-bid-build" project.
Project Case Data:
The following Data are presenting the project case
Table 1: is the project work packages and tasks (outline WBS)
Table 2: is the schedule plan baseline
Table 3: is the cost plan baseline
Table 1: Project Main Task and sub-tasks
ID | Task name | Duration (weeks (w) / days (d*)) | Predecessor Tasks Assume F-S relationship between the tasks.
| |||
A. Site Development | ||||||
1. | Site Survey | 1w | Project Start | |||
2. | Site Cleaning | 2w | 1 | |||
3. | Waste Removal | 5d | 2 | |||
4. | Milestone 1 | 0 | 3 | |||
B. Foundations | ||||||
5. | Level Ground | 10d | 4 | |||
6. | Dig Trenches | 10d | 5 | |||
7. | Sewage Connections | 10d | 6 | |||
8. | Electrical (to mains) | 10d | 6 | |||
9. | Gas (to mains) | 5d | 6 | |||
ID | Task name | Duration (weeks (w) / days (d*)) | Predecessor Tasks Assume F-S relationship between the tasks. | |||
10. | Pour Concrete | 10d | 7,8,9 | |||
11. | Brick Foundations | 5d | 10 | |||
12. | Milestone 2 | 0 | 11 | |||
C. Walls + Roof | ||||||
13. | Brick Walls | 10d | 12 | |||
14. | Wooden Rafters | 10d | 13 | |||
15. | Windows Preparation | 15d | 13 | |||
16. | Lay Roof Tiles | 15d | 15 | |||
17. | Milestone 3 | 0 | 16 | |||
D. Interiors | ||||||
18. | Electrical Wiring | 15d | 17 | |||
19. | Pipes and Plumbing | 15d | 17 | |||
20. | Doors | 15d | 17 | |||
21. | Windows Installing | 10d | 17 | |||
22. | Floorboards | 5d | 21 | |||
23. | Milestone 4 | 0 | 20, 22 | |||
E. Bathroom and Kitchen | ||||||
24. | Walls | 10d | 23 | |||
25. | Bathroom Fittings | 10d | 24 | |||
26. | Bathroom Tiling | 5d | 25 | |||
27. | Bathroom Flooring | 5d | 26 | |||
28. | Kitchen Fittings | 5d | 27 | |||
29. | Kitchen Slate Flooring | 10d | 28 | |||
30. | Milestone 5 | 0 | 29 | |||
F. Finish | ||||||
31. | Plasterboard Walls | 10d | 30 | |||
32. | Painting | 10d | 31 | |||
33. | Milestone 6 | 0 | 14,18,19,32 |
* 5d equals 5 days equivalent to one working week(1w) Table 2: Percentage of Tasks Planned to be Completed Each Month
Main Tasks | Percentage Completion for each month | ||||||||
May | Jun | July | Aug | Sep | Oct | Nov | Dec | Jan | |
A. | 100% | ||||||||
B. | 70% | 30% (finished) | |||||||
C. | 80% | 20% (finished) | |||||||
D. | 100% (finished) | ||||||||
E. | 50% | 50% (Finished) | |||||||
F. | 100% |
Table 3: Budgeted Planned Cost
Task | Budgeted Cost Of Work Scheduled | Months | ||||||||
May | Jun | July | Aug | Sep | Oct | Nov | Dec | Jan | ||
A. | $75,000 | $75,000 | ||||||||
B. | $60,000 | $42,000 | $18,000 | |||||||
C. | $120,000 | $70,000 | $30,000 | |||||||
D. | $40,000 | $40,000 | ||||||||
E. | $60,000 | $30,000 | $30,000 | |||||||
F. | $20,000 | $20,000 | ||||||||
Total | ? | ? | ? | ? | ? | ? | ? | ? | ? | |
Cumulative | ? | ? | ? | ? | ? | ? | ? | ? | ? |
The Problem:
The project was started as per plan. Working hours and days are 8 hours Monday to Friday. Work started at a slow pace in the first month with substantial delays in mobilisation of workers. In the middle of June, a severe thunderstorm disrupted the construction site. More than two weeks of work time was lost in June tasks due to the flooding of the site caused by the storm.
By the mid of July, another problem surfaced related to the quality of work performed by a sub-contractor. The foundation sub-contractor failed to meet the standards set in the contract. About 20% of the work completed in July by this sub-contractor had to be redone. This resulted in delaying some of the activities, but the project manager and the team did not update the schedule and cost baselines.
In Sep, the project manager realized that the sub-contractor was having problems in procuring raw material. A meeting with the sub-contractor revealed that the sub-contractor was having problems with labour and finances. The project manager did not monitor the project performance and progress since the start of the project, and the project manager now is not yet sure of the problem. Currently, hiring a new contractor is not an option. The Client requested a status report from the contractor. A new project manager from the Client side took the place of the old project manager and first thing he asked for is a status report from you for End of Oct.
Table 4: is Main Tasks Percentage Cumulative Completed as reported by the project team end of Oct
Table 4: Main Tasks Percentage Cumulative Completed by end of Oct.
Task | Months | % Cumulative completed by end Oct | ||||||
May | Jun | July | Aug | Sep | Oct | |||
A | % Complete each month | 80% | 100% (finished) | 100% | 100% | 100% | 100% | 100% |
B | % Complete each month | 20% | 70% | 100% (finished) | 100% | 100% | 100% | |
C | % Complete each month | 30% | 50% | 80% | 80% | |||
D | % Complete each month | 10% | 10% |
Table 5: is Actual spending (project costs) as reported by the project team end of Oct
Table 5: Main Tasks' Actual Cost incurred per month by end of Oct
Task | Months | ||||||
Month wise | May | Jun | July | Aug | Sep | Oct | |
A | Actual Cost | $75,000 | $45,000 | ||||
B | Actual Cost | $25,000 | $50,000 | $40,000 | |||
C | Actual Cost | $60,000 | $30,000 | $20,000 | |||
D | Actual Cost | $20,000 |
QUESTIONS
Write down the lessons learned from this project. 6- Given the actual costs in previous months (Table 5) and given the percentages of completed work in previous months (Table 4), utilise EVA and determine when would the project manager have recognised that there is a problem in the project if he/ she was monitoring the project progress and performance monthly? What would you do back then if you were the project manager?
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