Q. The following table shows the activities and their respective duration in days
- Draw the network diagram by using CPM,
- Identify the various path,
- Identify the critical path,
- Find out EST, EFT, LST and LFT
- Identify the floats
| Activity | Duration | EST | EFT | LST | LFT |
|---|---|---|---|---|---|
| 1-2 | 5 | 0 | |||
| 2-3 | 3 | ||||
| 2-4 | 2 | ||||
| 2-5 | 1 | ||||
| 3-6 | 4 | ||||
| 4-8 | 6 | ||||
| 5-7 | 5 | ||||
| 6-8 | 7 | ||||
| 7-8 | 2 |
Various Paths
1-2-3-6-8 = 19 days 1-2-4-8 = 13 days 1-2-5-7-8 = 13 days
Critical Path
The critical path is the longest path in the network
1-2-3-6-8 = 19 days
EST - Earliest Start Time
EFT - Earliest Finishing Time
LST - Latest Start Time
LFT - Latest Finishing Time
