Introduction
Primavera P6 EPPM Navigation
Creating a Schedule in P6 EPPM
Resource Management in P6 EPPM
Improving the Schedule
Recording Progress in P6 EPPM

Critical Path Methodology in P6 EPPM

Here you'll learn the theory behind the Critical Path Methodology in EPPM and will be shown the process it takes to schedule a plan and how to calculate the CPM.

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In this lesson, we're gonna take a look at the theory behind the Critical Path Methodology scheduling. We can understand when we're putting together a project plan, what activities need to be done, how long are they gonna take, the order in which they're going to be done. But when you've got even as little or even as few as 50, 60, 70 activities, it becomes very hard to be able to do all the calculations involved in working out what time or what date an activity is gonna finish. P6 and a majority of scheduling tools will use CPM to calculate dates within the plan. And this is process of scheduling a plan in P6 that we're gonna talk about now.

So we have a very simple example we've got for you the number of activities, activity A, through to activity G. We've done the estimation of how long they're gonna take and the IPA is the immediately preceding activity. So activity B comes after activity A, activity C, comes after activity A. So we draw out a logical flow diagram like this. In this example, you can see our activity A of five days, activity B of eight days, so on and so forth to the end of our very small project, with durations highlighted there. So what we're gonna do first is a forward pass through the plan and this calculates the early dates.

So we're starting at the beginning, we start at the beginning of day one, a five day activity finishes at t...

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