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Floats - Critical Path Analysis

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​Total float = 12-3-5 = 4
Independent float = 9-4-5 = 0
Interfering float = 4-0 = 0
 
Independent float (i, j) = Earliest time for j – Latest time for I – duration
Note: if calculation is negative, float = 0.
 
Interfering float = Total float – Independent float

  • Independent float is the time in which the activity can be moved around without affecting other activities.
 
  • Interfering float will interfere with other activity times if you move the activity into it.
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