June 2006
Beginner
793 pages
20h 59m
English
Content preview from Quantitative Techniques: Theory and Problems
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CALCULATION OF EARLIEST START TIME, LATEST FINISH TIME AND FLOATS
Problem 6.71
A project has the following activities:
| Activity | Duration (Days) |
| 1-2 | 2 |
| 1-3 | 4 |
| 1-4 | 3 |
| 2-5 | 1 |
| 3-5 | 6 |
| 4-6 | 5 |
| 5-6 | 7 |
Required
- Draw the project network.
- Find the critical path and total project duration.
- Find earliest start time, latest start time, earliest finish time, and latest finish time.
- Find total float, head even slack, free float, tail even slack and independent float.
Solution
Part (a)
Part (b)
| Various Paths | Duration of Paths |
| 1 - 2 - 5 - 6 | 2 + 1 + 7 = 10 |
| 1 - 3 - 5 - 6 | 4 + 6 + 7 = 17 |
| 1 - 4 - 6 | 3 + 5 = 8 |
Hence the critical path ...
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