- 12-1 Using the information in Table 12-7, construct a PERT network and answer each of the following questions:
- a. What is the expected project completion data?
- b. What is the scheduled start and completion date for each activity?
- c. Which activities are on the critical path?
- d. How long can noncritical path activities be delayed without jeopardizing the overall completion date for this project?
- 12-2 Assess the impact of the following changes to the time estimates provided in question 12-1. Individually, what is the impact if:
| Activity | Predecessor | New Time Estimate |
| O. Advertise for new staff | N | 4 |
| P. Interview for new staff | O | 6 |
| Q. Select new staff | P | 1 |
| Collectively, what is the impact of these changes? | ||
- 12-3 As project manager for the example included in question 12-1, what would you recommend to preserve the original project completion date if activity A was reestimated to take 8 weeks, not the original 4 weeks? Provide details.
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· Table 12-7 Project to Convert a 20-Bed Unit in a Nursing Home to Accommodate Patients with Dementia
| Activity | Predecessor | Time estimate (weeks) | |
| A | Secure state approval | – | 4 |
| B | Identify 20-bed unit to be used | A | 1 |
| C | Move existing residents | B | 1 |
| D | Clean space | C | 2 |
| E | Develop architectural plans | A | 9 |
| F | Install new heating and ventilation systems | E | 4 |
| G | Install security systems | E | 2 |
| H | Move walls; renovate | F | 4 |
| I | Identify new equipment | A | 1 |
| J | Order new equipment | I | 1 |
| K | Unpack and inspect new equipment | J | 1 |
| L | Install new equipment | D, K, H | 3 |
| M | Reassign staff | A | 1 |
| N | Identify new staffing needs | M | 1 |
| O | Advertise for new staff | N | 3 |
| P | Interview for new staff | O | 2 |
| Q | Select new hires | P | 3 |
| R | Develop care plan protocols | M | 1 |
| S | Train staff | R, Q, M, L | 1 |
| T | Modify quality assurance plans | S | 2 |
| U | Coordinate with hospital discharge planners | T | 4 |
| V | Complete internal audit | U, G | 1 |
