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P6 Updating schedule problem

3 replies [Last post]
Wed, 2011-01-12 11:34
Abeer Mahmoud
User offline. Last seen 8 years 19 weeks ago. Offline
Joined: 8 Jul 2008
Posts: 87
Groups: Civil Engineering

Kindly note that I have a project with more than 100 activities with fixed duration & units and different relations with the following dates as example:

  • Activity #1 planned start= 05-dec-10 and planned Finish = 30-dec-10
  • Activity #2 planned start= 23-dec-10 and planned Finish = 16-jan-11

 

And after I updated Activities #1 & 2 by choosing new data date 12-jan-11, selected activity only and based on activity duration type or always recalculate I found the following:

  • Activity #1 Actual start= 05-dec-10A & actual Finish = 30-dec-10A
  • Activity #2 Actual start= 23-dec-10A & planned Finish = 05-Feb-11 instead of 16-jan-11

I wonder why please clarify the correct steps to update schedule

Best Regards,

 Abeer

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Replies

Sun, 2011-01-16 10:50
#1
Abeer Mahmoud
User offline. Last seen 8 years 19 weeks ago. Offline
Joined: 8 Jul 2008
Posts: 87
Groups: Civil Engineering

Hi All,

Thanks Sameer for your clarifications and for fast replay.

Thanks, Raymund for attention and fast replay.

 Best Regards,

 Abeer

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Wed, 2011-01-12 15:46
#2
Sameer Khandalkar
User offline. Last seen 13 years 40 weeks ago. Offline
Joined: 24 Jun 2005
Posts: 7
Groups: Petro-Chem / Oil & Gas

Hi,

Dear Abeer please check % completed and remaining duration.

If you have given only start date to activity 2 as 23-Dec-10 and not given any % complete or remaining duration, what P6 does is add remaining duration to data date and gives end date.

Calculations = 16-Jan-11 - 23-Dec-10 = 24 days assuming 7 days working calender.

so planned finished date = new data date (12-Jan-11) + 24 days = 05-Feb-11.

 

It is must while updating to put actual start date, % complete or remaining duration to get accurate result from P6.

 

I hope this solves your problem.

What Dear Reymund suggested is also right check that alslo.

Regards

Sameer Khandalkar

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Wed, 2011-01-12 14:58
#3
Raymund de Laza
User offline. Last seen 3 days 17 hours ago. Offline
Joined: 22 Nov 2009
Posts: 762
Groups: Civil Engineering, Pinoy Planning Planet Community

Hi,

You mentioned that you updated selected activities only. There might be another activity that precedes Activity # 2 which is causing to drive the remaining duration.

I hope this find the solution.

 

Regards,

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