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Old 04-05-2012, 08:38 AM
ketanco ketanco is offline amount of work Windows 7 64bit amount of work Office 2007
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I have a very basic question and I thought I knew this but when I started to think about it, I realized I didnt, because it has been a while since I never used resources on my schedules and I forgot a little...

Lets say you have a task of paint walls.

On a schedule that I didnt use any resources, I defined the "size" of this task by simply assiging it a duration. And thats it.

But on a schedule that I use resources, how can I do that?

If I assign work as 10 hours, does it mean it takes 10 hours to complete this task by...what? 1 person? In other words, how do you define the size of a task?


Or, do you just assign say 3 people to the task and its work and duration will be calculated automatically? So you never assign the size of the task yourself but it is calculated?
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Old 04-06-2012, 05:30 AM
JulieS JulieS is offline amount of work Windows 7 64bit amount of work Office 2010 32bit
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If you enter work when you assign resources, Project will recalculate duration. As far as how many people - that is up to you when you assign.

Many people enter rough estimates of duration when initially creating tasks and then further refine those duration estimates by assigning resources and their work estimates. As long as the assignment units are accurate (50%, 25%, etc) then you will have durations based more closely on the resource's work estimates and their availability.

Julie
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Old 04-06-2012, 07:37 AM
ketanco ketanco is offline amount of work Windows 7 64bit amount of work Office 2007
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but it calculates duration differently based on how many people are on it. which is fine and makes sense but then does it mean the definition of work for 8 hours is, 1 persons work? so if i said 8 hours of work and assigned 1 person, it calculates 1 day, but if i assign 4 people it calculates 0.25 day... if i dont assign any people, then it doesnt change the duration no matter what i do. so changing work doesnt affect anything in that case?
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Old 04-06-2012, 08:13 AM
JulieS JulieS is offline amount of work Windows 7 64bit amount of work Office 2010 32bit
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Work and Duration are not related until you assign resources.

If you enter 4 hours of work and 1 day duration, Project will not change the work if you go change duration unless you have resources assigned.

Project recalculates duration on effort driven tasks if you assign additional resources or unassign resources.


I do not enter work estimates until I assign resources -- and at that point it is that resource's work estimate for his/her work. If I need more people on the task, I am entering the next resources work estimate on assignment.

Julie
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