How to incorporate operational interruptions ...
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Erik,
Thanks for your help.
Regards,
Billy.
Billy ,
If you have to mangage your whole project at such a level, MS-Project is not your answer. Try P3 or a package that processes resources in the same way.
See my other posting for P3 http://www.planningplanet.com/forum/forum_post.asp?Cat=2&Top=6990
Other wise use a spreadsheet to interface your critical critical resources.
You just cant do something like this with MS-Projects.
Regards,
Erik
A better version :
......would change to 7 days after scheduling. The following figure would show the situation. X means holiday and both resources will work 5 days to complete the activity.
1234567
oXXoooo Eng1
ooXXooo Eng2
o: task working or business day.
How can I get 8 days as a solution ?
12345678
oXX#oooo Eng1
o#XXoooo Eng2
#: Activity Y can not proceed without both Eng1 & Eng2 exist.
Thanks for Eriks reply.
Lets further consider an example.
Activity Y is resource dependent and needs resources Eng1
and Eng2. And this activity needs 5 days to complete the
activity. Eng1 would not be available on day 2 & 3 and Eng2 would not be available on day 3 & 4. As a result, the original duration of the activity would change to 7 days after scheduling. The following figure would show the situation. X means holiday and both resources will work 5 days to complete the activity.
1234567
-XX---- Eng1
--XX--- Eng2
How can I get 8 days as a solution ?
12345678
-XX#---- Eng1
-#XX---- Eng2
#: Activity Y can not proceed without both Eng1 & Eng2 exist.
Hi Billy,
For holidays/ Rain days use your calender.
If a breakdown is your whole plant, you can use your calender.
If an interuption is only specific to a activity/ group of activities, I do the following:
Create an activity describing the breakdown. Link it with a FF and a lag equal to the successor remaining duration.
This should clearly indicate the delays.
Cheers
Maybe I ask in another way.
Would anyone give me some ideas on "Operational interruptions can be modeled using resource calendars or probability distributions for productive hours/day, depending on weather patterns" ?
Best regards,
Billy