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How to Handle Diif Calendar in EPCm Schedule

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Kumar SMember for 16 years 8 months
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Dear All,

I have created an EPC Schedule which consists of Eng,Proc and Cont Activities.Since this is a Turaorund Project During the construction phase the work will be done 24 hrs.

I have following settings in my project.

Project calendar is Standard.( 5 days a week and 8 hrs per day).Since this will be the working duration from Engg to proc Phase.

How ever in the construction period the working hrs should be 24 hrs per day.

so i have assigned task calendars to all the activities.

My default working hrs per day is 8 hrs from 8 am to 5 pm.

I am facing below problems.

1) the duration for the turaround act is not showing correctly. I mean in the duration tab it is showing 5 days but the start to finsh date is only 2 days.I know this is because of the working hrs per day set in the options tab.Then what is the solution for this....Can i not manage to show the dur and the start and finish dates correctly in MSP while working with diff calendar options...........

2) what should be the approach for preparing schedule involving diff working hrs in diff phases...

I dint face this problem in P6..But hrer in MSP i am clueless...

Please guide me...

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  1. 0
    Alexandre Faulx-Briole ·
    #1

    Hello Kumar,I remember that

    Hello Kumar,

    I remember that Paul E.Harris had suggested a way of doing a few years ago, but I cannot find it

    Herebelow my answer for the 1st part of your question, I hope somebody will answer the second part:

    You will use 2 custom fields to display the correct duration of tasks and length of bars:

    1. Use the task custom field "Duration1" and create the following formula:

    IIf([Task Calendar]="24 Hours";[Duration]*3;[Duration])

    2. Use the task custom field "Finish1" and create the following formula:

    IIf([Task Calendar]="24 Hours";ProjDateAdd([Start];[Duration1];"24 Hours");[Finish])

    3. In the Format Bar Styles dialog, change the "To" field value for the Critical and Non Critical tasks from "Finish" to "Finish1"

    The task bars will have a correct display, should the calendar be 8h/d or 24h/d

    Now, I hope somebody will tell you how to manage the links correctly

    Alexandre

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  2. 0
    Kumar S ·
    #2

    Hello Alexandre, Thanks for

    Hello Alexandre,

    Thanks for your reply.it was useful Info.

    But i was not looking for the irregularities in the bar length.I was facing the problem with the Duration column.

    for ex If A activity is starting on 01-Jan-2012 and Finishes on 05-Jan-2012.So this means in the duration column it should show as 6 days.But in my project the duration is showing as 10 days.this is because in my project the default working duration is 8 hrs but for the turaround i have to work 24 hrs per day.

    so here i am facing the problem.....is there any solution for this..

     

    thanks

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  3. 0
    Alexandre Faulx-Briole ·
    #3

    Kumar,that's the same thing:

    Kumar,

    that's the same thing: Duration = (Finish-Start)/Default hours per day

    therefore:

    • Task A starting oct/1st, finishing oct/5th with a 8h/d calendar will represent 5 days and 40 hours
    • Task B starting oct/1st, finishing oct/5th with a 24h/d calendar will represent 5 days and 120 hours, but MS Project will display "15 days" (120/8)

    Alexandre

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