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How to setup dependencies on activities with start and finish dates

  • October 14, 2022
  • 6 replies
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RECOFR
Sidekick (Partner)
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  • Sidekick (Partner)
  • 45 replies

Dear all,

 

do you know a way to setup dependencies to have the start and finish date of an activity equal to the start and finish date of another?

In the example below, i need to have start and finish date of activity 02-60-30_ equal to activity 02-60-20_:

The idea is to only move the activity 02-60-20_ when needed and have the activity 02-60-30_ updated in consequence.

 

Thanks a lot for your help :)

Best answer by EriLNL

Hi,

in IFS this is currently not possible.
you can make a start to start relation and a finish to finish relation, but that is not the same.
In IFS that does not influence the duration of the activity.

Looks like you want a Hammock Activity like P6 can do.

So you could integrate with P6 and schedule there, or make a small CRIM item that does this for you.

The scheduling is rather simple ricght? the hammock activity has a planned start = planned start of the source, and a planned finish = planned finish of the source.

You would need a Custom Menu Item to trigger a small script to do this for you, after you scheduled the rest of the project in IFS

Regards Erik

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6 replies

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  • Hero (Employee)
  • 81 replies
  • Answer
  • October 14, 2022

Hi,

in IFS this is currently not possible.
you can make a start to start relation and a finish to finish relation, but that is not the same.
In IFS that does not influence the duration of the activity.

Looks like you want a Hammock Activity like P6 can do.

So you could integrate with P6 and schedule there, or make a small CRIM item that does this for you.

The scheduling is rather simple ricght? the hammock activity has a planned start = planned start of the source, and a planned finish = planned finish of the source.

You would need a Custom Menu Item to trigger a small script to do this for you, after you scheduled the rest of the project in IFS

Regards Erik


RECOFR
Sidekick (Partner)
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  • Author
  • Sidekick (Partner)
  • 45 replies
  • October 14, 2022

Hi Erik,

 

thanks for your very quick answer. I also though about a Custom Menu while waiting for a Primavera integegration but i wanted to be sure that there was no other option.

 

Thanks a lot for your support 😉 


Dasuni Samarakoon
Hero (Employee)
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I think you should be able to do that using a couple of dependencies.

 

  1. Create 2 dependencies between 2 activities in Gantt
  2. And RMB on each line and set up the settings as “START-TO-START” & “FINISH-TO-FINISH”.

 

Hope this helps.

 

 

 

 


RECOFR
Sidekick (Partner)
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  • Author
  • Sidekick (Partner)
  • 45 replies
  • October 24, 2022

Hi Dasuni,

 

thanks a lot for your answer 😀.

I’m trying to run your advice, my setup is the following:

unfortunatelly, when i expend the main activity …

… the dependent activty is not updated 😐:

 

Did i make something wrong?

 

Thanks for your feedback 😁


Dasuni Samarakoon
Hero (Employee)
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@RECOFR 

 

Check if both activities have the same “Total Work Days”. One seem to have less work days


RECOFR
Sidekick (Partner)
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  • Author
  • Sidekick (Partner)
  • 45 replies
  • October 27, 2022

Hi Dasuni,

 

here is what i set, dates and work days are identical:

And here is what the system does when i tried to extend the start date of the main activity:

As you can observe:

  • the start date of the main activity is back to its initial state
  • the finish date of the main activity moved to the future
  • the finish date of the dependent activity didn’t change

This is making me crazy 🤣


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