Level of Effort (LOE) activities are typically used to define effort that in and of itself doesn’t generate a deliverable, but does incur labor/costs to the project. Items such as management, security or safety are ongoing and require resources but are not on the critical path. These overhead costs are usually not immaterial. Overhead efforts can span part of the project, or the entire life-cycle. They are also associated with other activities in the project.Modeling these efforts and cost individually by assigning resources to every activity is prohibitive. So how does one easily define the effort of these tasks throughout the life-cycle of the project? Well, Primavera P6 has a Level of Effort activity type to help you model this type of work in a low-maintenance way, and one that does not interfere with the critical path.
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