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The following is the activity list for a project: Activity Predecessor Normal duration (weeks) Crash duration (weeks) Normal cost Crash cost A -- 3 2
The following is the activity list for a project:
Activity | Predecessor | Normal duration (weeks) | Crash duration (weeks) | Normal cost | Crash cost |
A | -- | 3 | 2 | $12,000 | $24,000 |
B | A | 5 | 4 | $20,000 | $22,000 |
C | A | 4 | 3 | $16,000 | $20,000 |
D | B | 6 | 4 | $24,000 | $28,000 |
E | B | 5 | 4 | $20,000 | $24,000 |
F | C | 7 | 6 | $28,000 | $38,000 |
G | D | 3 | 2 | $14,000 | $20,000 |
H | E,F | 4 | 3 | $18,000 | $30,000 |
- Draw an activity on node (AON) diagram to represent the project.
- Apply the critical path method and determine the following using the normal durations of the activities:
- The project duration,
- The earliest start and finish time of each activity,
- The latest start and finish time of each activity,
- The slack of each activity,
- The critical path(s).
- Which activity or activities should be crashed and in which sequence to reduce the project duration by 2 weeks?
- What is the resulting total project cost?
- What is (are) the critical path(s) of the project after crashing?
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