Definition:
The amount of time an activity can be delayed without delaying the start of its immediate successor task.
Key Components:
- Non-Critical Path Relevance: Only affects dependent tasks, not the entire project.
- Scheduling Flexibility: Provides minor buffer time.
- Dependency Consideration: Helps sequence tasks efficiently.
Use Cases/Industries:
- Construction: Delaying interior work without impacting structural completion.
- Energy Sector: Managing secondary system installations without affecting commissioning.
- Manufacturing: Adjusting machine setup times without disrupting production.
Advantages:
- Helps balance workload among teams.
- Provides flexibility without affecting the critical path.
- Supports better resource planning.
Challenges:
- Excessive free float can indicate inefficiencies.
- May be lost if predecessor tasks are delayed.
Related Terms:
Total Float, Float Path, Logic Constraints
Example:
If Task B starts immediately after Task A but could wait three days without affecting Task C, it has 3 days of free float.
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Synonyms:
Task Slack, Successor Delay Margin, Local Schedule Buffer
