CNST 361 ch5 - Chapter 5 Intro to CPM Critical Path...

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Chapter 5 - Intro to CPM Critical Path Method (CPM) scheduling was developed and fine-tuned in the mid-1950’s through two high-profile projects: US navy missile program Schedule network was a part of the Navy’s Project Evaluation & Review Technique (PERT). Durations were based on three estimates of time (optimistic, pessimistic/ most likely). These three estimates were ‘weighted’ and an activity’s duration was established. (Optimistic + (4x likely) + Pessimistic) / 6 Text is unclear is a CPM was calculated for Navy Project. Dupont / Remington Rand Plant Project CPM was an integral part of the overall schedule network. Calculations to determine the critical path will identify the: Longest path of activities within the schedule Shortest amount of time to complete the project. Diagramming a project plan to identify the predecessors and successors to all the activities within a schedule is the first step to creating a critical path.
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