| EX13.11 |
| PERT - Probabilistic | | | | | | | Length of Project = | | | | Project Variance |
| | | | | | | | Number of
Critical Path(s) = |
| Activity Name | Description | Predecessor | Optimistic time (o) | Most likely time (m) | Pessimistic time (p) | | Activity Name | On Critical Path | Average Time | Earliest Start | Latest Start | Earliest Finish | Latest Finish | Total Slack | Activity Variance |
| A | Design | - | 14 | 15 | 17 | | A |
| B | Budget estimate | A | 2 | 3 | 4 | | B |
| C | Permits | B | 14 | 16 | 19 | | C |
| D | Bid process | C | 7 | 8 | 9 | | D |
| E | Subcontractor buyout | D | 4 | 5 | 7 | | E |
| F | Startup | E | 3 | 4 | 5 | | F |
| G | New additional construction | F | 18 | 22 | 24 | | G |
| H | Cooling tower procurement | - | 20 | 22 | 24 | | H |
| I | Cooling tower installation | G,H | 9 | 11 | 12 | | I |
| J | LOX/fuel tank | I | 1 | 1 | 3 | | J |
| K | Boiler procurement | - | 29 | 30 | 31 | | K |
| L | Boiler installation | J,K | 19 | 31 | 34 | | L |
| M | Abate old boiler | L | 1 | 1 | 3 | | M |
| N | Chiller procurement | - | 28 | 30 | 32 | | N |
| O | Chiller installation | M,N | 25 | 29 | 34 | | O |
| P | Generator procurement | - | 28 | 30 | 31 | | P |
| Q | Generator installation | P | 12 | 16 | 20 | | Q |
| R | Final inspection/testing | O,Q | 1 | 1 | 2 | | R |
| S | | | | | | | S | | | | | | |
|
| T | | | | | | | T |
| U | | | | | | | U |
| V | | | | | | | V |
| W | | | | | | | W |
| X | | | | | | | X |
| Y | | | | | | | Y |
| Z | | | | | | | Z |
| | Target Time | 147 | | Target Probability |
| | Probability | | | Time |
| | Target Time | 150 |
| | Probability |
| | Target Time | 152 |
| | Probability |
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exercise_13.11.xlsx
