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Construction Management Study Lab

CPM Scheduling and Float

Time Management

Forward pass, backward pass, and the two floats — worked with the day-one convention the exam uses.

What you should be able to do

  • Complete a forward and backward pass on a small network
  • Compute total and free float and say which one a delay consumes
  • Identify the critical path and explain why its float is zero

Key terms

Critical Path Method · Precedence Diagramming Method · FS / SS / FF / SF · Lag and lead · Total Float · Free Float · Interfering Float · Crashing · Fast-tracking

Key Concepts CPM (Critical Path Method) PDM (Precedence Diagramming Method) Activity relationships: FS, SS, FF, SF Forward Pass, Backward Pass Float types: Total Float, Free Float, Interfering Float, Independent Float Baseline Schedule vs. Updated Schedule…

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