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Schedule - Coggle Diagram

- - - - ▪ Finish-to-Start (most common)
      - ▪ Start-to-Start
      - ▪ Finish-to-Finish
      - ▪ Start-to-Finish (rare)
      - 🚫 avoid Start-to-Finish or multiple relations on one activity
    - - ▪ Mandatory (Hard Logic)
      - ▪ Discretionary (Soft Logic)
      - ▪ External (outside project)
      - ▪ Internal (within project team)
    - - ▪ Lag: waiting time (+ days)
      - ▪ Lead: start early (− days)
- - - - ▪ Identify paths start → finish
      - ▪ Longest path = Critical Path (controls project duration)
    - - ▪ Forward Path → calculate Early Start (ES), Early Finish (EF)
      - ▪ Backward Path → calculate Late Start (LS), Late Finish (LF)
      - ▪ On Critical Path: ES=LS and EF=LF
    - - ▪ Resource Leveling → adjust duration (affects schedule)
      - ▪ Resource Smoothing → efficient resource use (no duration change)
    - - ▪ Crashing → add resources/overtime (↑ cost)
      - ▪ Fast Tracking → parallel activities (↑ risk)