Primavera P6: Summarize/Roll up activity duration at WBS level using duration value, not earliest and latest date

By default, Primavera P6 summarizes/rolls up activity duration at the WBS level by calculating the period from the earliest Start Date to the latest Finish Date of all activities in that WBS. In case we want to calculate the summary duration by simply adding up the duration of all activities, below are the steps.

Go to menu Enterprise -> User Defined Fields.

Create a new Field (e.g., “TotalDuration(SimplyPlus)“) with Data Type “Integer”.

Primavera P6 Summarize Roll up activity duration at WBS using duration value, not earliest and latest date, Create a new Field

Go to menu Tools -> Global Change.

Create a new Global Change (e.g., “AssignValueToTotalDuration(SimplyPlus)“). The formula is as the following picture.

Primavera P6 Summarize Roll up activity duration at WBS using duration value, not earliest and latest date, Create a new Global Change

Run the new Global Change.

Now, besides the default summary duration, we can also see the new summary duration calculated by simply adding up the duration of all activities.

Primavera P6 Summarize Roll up activity duration at WBS using duration value, not earliest and latest date. New summary duration calculated by simply adding up the duration of all activities

2 thoughts on “Primavera P6: Summarize/Roll up activity duration at WBS level using duration value, not earliest and latest date

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  1. Dear Mr.KhuongDo,
    Thank you so much for the tip, could you explain more the formula: Total Duration = Original Duration / 8 please ?

    Like

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