Microsoft Office Tutorials and References
In Depth Information
Assigning cost resources to tasks
The order of your actions matters when effort-driven scheduling is enabled. If you initially
assign two resources to a task with a duration of three days (equal to 24 hours), Project
schedules each resource to work 24 hours, for a total of 48 hours of work on the task.
However, you might initially assign one resource to a task with a duration of 24 hours and
later add a second resource. In this case, effort-driven scheduling will cause Project to
schedule each resource to work 12 hours in parallel, keeping the total of 24 hours of work
on the task. Remember that when it’s turned on, effort-driven scheduling adjusts the task
duration only if you add or remove resources from a task.
Project management focus: When should
effortdriven scheduling apply?
You should consider the extent to which effort-driven scheduling should apply to the
tasks in your projects. For example, if one resource should take 10 hours to complete
a task, could 10 resources complete the task in 1 hour? How about 20 resources in 30
minutes? Probably not—the resources would likely get in each other’s way and require
additional coordination to complete the task. If the task is very complicated, it might
require significant ramp-up time before a resource can contribute fully. Overall
productivity might even decrease if you assign more resources to the task.
No single rule exists about when you should apply effort-driven scheduling and when
you should not. As the project manager, you should analyze the nature of the work
required for each task in your project and use your best judgment.
Assigning cost resources to tasks
Recall from Chapter 5 that cost resources are used to represent a financial cost associated
with a task in a project. Cost resources do not incur assignment units, so they do no work
and have no effect on the scheduling of a task. Cost resources might include categories
of expenses you want to budget and track for accounting or financial reporting purposes.
Broadly speaking, the costs that tasks can incur can include:
Work resource costs, such as a person’s standard pay rate times the amount of work
they perform on the task.
 
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