Project networks, forward and backward scanning, critical paths and float

What this note covers

1. What critical path analysis is for
2. Building the network from a precedence table
3. Dummy activities: when and why
4. Forward scanning and earliest starting times
5. Backward scanning, latest starting times and float
6. Reading off the critical path
7. Delays, shortening and what-if analysis
8. How this is examined, and what separates a top answer

8 sections · 12 key terms & formulas · 6 common mistakes