Primavera P6: Schedule Options – Calculate start-to-start lag from

In Primavera P6 Schedule Options, there are 2 options for "Calculate start-to-start lag from". The purpose of these option is described below. We have a simple project: Activity A has FS relationship with Activity B Activity B has SS relationship with Activity C with a lag value of 2 days. The schedule option in this... Continue Reading →

What is Expected Finish Date in Primavera P6 used for?

In Primavera P6, when you schedule the project and see the Activity Original duration change, it's probably because of Expected Finish date. So what is Expected Finish Date and how do we use it? The Expected Finish date acts as a constraint if the Scheduling Option "Use Expected Finish Dates" is switched on. Use the Expected... Continue Reading →

What is the difference between Activity type: Task Dependent and Resource Dependent in Primavera P6

In Primavera P6, there are 2 popular activity type: Task Dependent and Resource Dependent. So what is the difference? By choosing Task Dependent or Resource Dependent, P6 will choose what calendar it will use for the activity: Choose Task Dependent: P6 use Activity calendar for the activity Choose Resource Dependent: P6 use Resource calendar for the activity... Continue Reading →

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