Adding part-time worker extends the duration?
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Sami,
There are only two ways around it, and Ive had a go, the first is to INCREASE the resources units so that he works more hours in the day and gets all of the 100h work done in time, or you reduce the amount of work he has to do.
I would strongly advise against adjusting work in the resource usage view as this puts in place all sorts of restrictions.
Will
If I understood you correctly, MS Project divides the work hours of the task to the allocated resources according to the units (percentage). Then it sees how long it takes the individuals to complete the task.
If one individual is not available for certain duration, then no one else (of the allocated resources) is going to do his work during that duration. So the end date moves forward...
If I reduce the allocated units for the problematic resource, then he gets less hours per day. But he is still not finished before leaving. Do I need to alter the hours in resource usage sheet manually for this guy or is there a way to automate this?
My current solution is to estimate the units for this guy based on the ratio of "at the work"/"on parental leave". But as the plans change, this needs to be done again every time...
Sami
Sami,
it seems to me as if you havent given the part time resource enough time to complete the 100 hours before he goes on parental leave, in which case those hours will get added to the task after the resource gets back.
You will either have to increase his working time to allow for this or decrease the amount of work he does.
Hope this helps.
Will
Quote:"
To be quite honest you haven’t given us much to go on - you don’t want the duration to change, but you don’t want to use Fixed Duration and you don’t want to turn off effort driven. What do you think is going to happen if you don’t use fixed duration and NOT effort driven?.... the duration will change."
Communication problem from my end, sorry. I’ll try to clarify.
1) I have hour estimates for each task and I want MS project to calculate the durations (I want the duration to change) for them according to the resource allocations.
2) When I add a resource (there are also multiple full-time resources also working on this task) that is only part-time (in this case he’s on parential leave and leaves in the middle of the task), the duration of the task actually increases.
Now let’s say the guy is able to do 100 hours before he leaves for two months. Before I added the guy to the task, the task ended before he came back. After I added the guy, the task ended after he came back.
So the duration increases, when I think it should decrease.
Sami
Sami,
You might have to change the task type to fixed duration -not effort driven when adding this extra part time resource and then change the task type back to whatever you were using.
To be quite honest you havent given us much to go on - you dont want the duration to change, but you dont want to use Fixed Duration and you dont want to turn off effort driven. What do you think is going to happen if you dont use fixed duration and NOT effort driven?.... the duration will change.
You have to be careful when adding resources, it can make all the difference if you add all the required resources at the same time or if you add them one by one, especially if you are using the effort driven option.
I think a clearer explanation of what you are trying to achieve might help us to help you.
Will
Fixed duration doesnt help me, because Im trying to find out the durations.
Effort driven cannot be turned of as Ive hour estimations for tasks and estimates on how many people can work on each task (no duration estimates). Based on this Im trying to divide resources to different tasks, so that durations become acceptable.
I dont have parallel tasks for the same people, so they dont have to divide their time between tasks.
Sami
I think you need to make sure the task is not effort driven and maybe also make it fixed duration