Key Takeaways
- Critical path determines minimum project duration.
- Float allows non-critical tasks to slip without project impact.
- EVM metrics provide objective health assessment.
- Risk registers proactively identify potential problems.
Essential PM terms for construction project management.
Scheduling Vocabulary
Critical Path: longest dependent sequence determining minimum duration. Float: time a non-critical task can slip. Milestone: zero-duration completion marker. Predecessor: task that must finish first. Lead/Lag Time: starting early or required waiting.
| Term | Definition | Example |
|---|---|---|
| Critical Path | Longest dependent sequence | Foundation → Framing → MEP → Drywall |
| Float | Allowable slip time | Exterior paint: 2 weeks float |
| Milestone | Completion marker | Rough MEP inspection passed |
| Predecessor | Must finish first | Framing before plumbing |
Scheduling vocabulary
Cost and Risk Vocabulary
EV = budgeted cost of completed work. PV = budgeted cost of scheduled work. AC = actual spending. SPI = EV/PV. CPI = EV/AC. Risk Register: list of identified risks with probability, impact, and mitigation.
Key Takeaways
- ✓Critical path determines minimum project duration.
- ✓Float allows non-critical tasks to slip without project impact.
- ✓EVM metrics provide objective health assessment.
- ✓Risk registers proactively identify potential problems.
Sources
- PMI Construction Extension to PMBOK Guide(2025-01-15)
- NAHB Project Management for Builders(2025-01-15)
Common Mistakes to Avoid
Not understanding construction-specific PM terminology
Consequence: Miscommunication with contractors about schedule, milestones, and dependencies leading to planning errors
Correction: Learn key terms: critical path, float, milestone, predecessor, successor, lead, lag, and their practical applications
Test Your Knowledge
1.What does the critical path in a construction schedule represent?
2.What is float (slack) in a project schedule?