Abstract:

Problem: After having created and updated a CPM schedule using Primavera P6 you notice that some 1 day activities are spanning 2 days. How could this be possible?

Although you are scheduling your schedule in days Primavera behind the scenes actually utilizes the hour and minute functions of a day within the program to perform the forward and backward passes.

If you look a 1 day activity you may find that a 1 day duration activity actually spanning 2 days. It shows planning to start on 1 day but is forecasted to finish on the next when it should start AND finish all on the same day.

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