By Yaser A. Al-Bustanji CPCM, ACIArb, PMP, PMI-SP, PMI-RMP, November, 2017

Introduction

This article is a simple guide to understand the data stored in the P6 Original Duration fields that appear in all summary bands such as Project, WBS, Resources and Activity Codes.

When create a schedule, we can based on Resource Productivity to estimate duration.

For example:

• We have a team which can cast 10 m3 of concrete per day (This is Productivity)
• We have an Foundation which take 100 m3 concrete.
• Duration of Foundation activity will be  100 / 10 = 10 days

Now we will do it in Primavera.

Supposed that we have a schedule like below picture: