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

Then it will affect the Original Duration and Finish Date of the activity.

We have Activity A with attribute as below:

  • Working duration is 10 days
  • Activity Calendar is 7 days / week

What is the difference between Activity type Task Dependent and Resource Dependent in Primavera P6-1

  • This activity is assigned resource R who work 5 days / week

What is the difference between Activity type Task Dependent and Resource Dependent in Primavera P6-2

What is the difference between Activity type Task Dependent and Resource Dependent in Primavera P6-3

Now if we choose Task Dependent, P6 will use Activity Calendar. Then activity duration will be 10 days. Activity Finish Date is 24-Mar-18

What is the difference between Activity type Task Dependent and Resource Dependent in Primavera P6-4

If we choose Resource Dependent, P6 will use Resource Calendar. Then activity duration will be 14 days. Activity Finish Date is 28-Mar-18

What is the difference between Activity type Task Dependent and Resource Dependent in Primavera P6-5

The process of calculation to have 14 days is as below:

When we assign resource to activity, it copy the value 10 days from activity duration to resource duration. Then it base on 5 days workweek to calculate Resource Finish Date.

What is the difference between Activity type Task Dependent and Resource Dependent in Primavera P6-6

Then it will mirror Resource Finish Date to Activity Finish Date. Then it base on 7 days workweek to calculate Activity Duration.

What is the difference between Activity type Task Dependent and Resource Dependent in Primavera P6-8

 

Advertisements

Leave a Reply

Please log in using one of these methods to post your comment:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

Create a website or blog at WordPress.com

Up ↑