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THQuick definition: What is the critical path?
The critical path is the longest sequence of dependent tasks that determines the projectโs earliest possible finish date. Tasks on the critical path have no slack/floatโฆany delay to them delays the whole project.
How to identify the critical path in Microsoft Project (step-by-step)
1. Build your schedule first:
- Enter all tasks, realistic durations, and link them with dependencies (FS, SS, FF, etc.).
- Set the project start date and proper calendars (project & resource calendars).
- Avoid unnecessary constraints; use Finish/Start links where possible.
2. Save a baseline (Project > Set Baseline) so you can track changes and variances.
3. Open the Gantt Chart view (View > Gantt Chart) โ this is where the critical path is easiest to spot.
4. Highlight critical tasks:
- On the Format tab, check โCritical Tasks.โ Critical bars will be colored (usually red).
- Or apply the Critical filter: View > Filter > Critical to show only critical tasks.
5. Inspect slack/float:
- Insert a Total Slack (or Total Float) column: rightโclick a column header > Insert Column > type โTotal Slackโ (or โTotal Floatโ).
- Tasks with 0 (or negative) total slack are on the critical path โ any delay on them delays project finish.
6. Use the Network Diagram (View > Network Diagram) for a clear visual of the path โ critical tasks are usually highlighted.
Want to master construction project scheduling and controls? Click the link in my bio to learn more about construction project management. ๐๐ผ
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