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... Continue Reading →

In Finish to Start relationship, Primavera calculate Early and Late date base on 2 process Forward Pass (to calculate Early Start and Early Finish) Backward Pass (to calculate Late Start and Late Finish) In Backward Pass, the Late Start of successor (Activity C) will be the base to calculate Late Finish of predecessor (Activity A... Continue Reading →

We make a schedule using 8 hours/day calendar. Now we want to change to 10 hours/day calendar. We can see the Activity Duration now change to 8 days and Project Completion date is now earlier. How can we change Hours/day but keep duration unchanged? I will show you how to do it. Go to Tool ->... Continue Reading →

Baseline is something we usually do not change. However in some case we need to change it. I will show you how to do it. We have a simple project which is assigned a baseline After a few update period, the project is delayed quite far from the baseline After discussion with the Owner, they allow... Continue Reading →

In Primavera we can work with multiple projects at the same time. We have a Program contain 2 projects : Project 1 and Project 2. Each project has its own critical path. And when we open 2 projects, by default Primavera show 2 critical paths. What if we want to show only 1 critical path for the... Continue Reading →

We have a Primavera schedule with actual data. Now we want to remove the actual so that we can have an As-Planned schedule. I will show you how to do it in this article. We have a simple project with actual data. First we go to Project window -> Calculation tab. Highlight our project, and... Continue Reading →

Normally when we Level Resources, Primavera will delay an activity so that Resource is not overloaded. It can make Project Finish date delay. How can we make Project Finish date not delay? I'll show you how to do it in this article. We have a simple project with 2 activities assigned Resource A and 2 activities... Continue Reading →

In Primavera, when we use the default filter critical path, it shows only 1 critical path. In a complicated project, we might need to show also a "near critical" path. Let's explore how to do this by the following example project: Press F9 - Click on Option Click on the "Advanced" tab, and check the... Continue Reading →

In Primavera, sometimes we see there is an Asterisk (*) appears next to the date in the Start or Finish column but no constraints have been applied to the activity. Why does it happen? I'll explain here. The asterisk appears if the activities have relationships to external projects. This project I receive from my friend and import to... Continue Reading →

In Primavera, when you need to make a quick update of project (Let's say everything goes as it's planned) we have 2 ways of automatically update progress: Apply Actuals Update Progress Here I will only explain what is the difference between these 2 options. The Apply Actuals function will update any activities with the "Auto Compute Actuals"... Continue Reading →

In Primavera P6, there are three options in the Scheduling Options dialog as follows: Retained LogicProgress OverrideActual Dates Primavera P6 Scheduling Options dialog These three options control how Primavera P6 calculates "Out of Sequence Progress". To demonstrate how these options work, let's look at a simple project including 3 activities described in the screenshot below:... Continue Reading →

In Primavera we can define Critial activities by 2 option: There are many reasons why we should choose Longest Path instead of Total Float. One of the reason is that when our project has multiple calendar. We have 4 activities which have same calendar : Standard 5 day workweek. We use Total Float to calculate... Continue Reading →