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Products > PSOP > Documentation
PSOP Leveling Options
Regardless of the leveling option selected, PSOP will minimize both
duration and resource over-allocation. However, by using the leveling
options you can fine tune many aspects of PSOP's behavior. The main
options are depicted below:

Finish by:
- No
limit: The project deadline will be ignored and
PSOP will use as much time as necessary to level the resources. This is
similar to leveling in Primavera without the level resources within activity
total float option selected. However, unlike the P3e
leveler, PSOP
will honor all constraints and relationships if the enforce
constraints ignored by Primavera leveling option
is checked on the Primavera Compatability tab.
- The
current project deadline: PSOP will
generate a schedule that finishes before the project deadline
specified in the Primavera project. If no deadline was
specified for the project, this option is not available.
- This
date: the PSOP generated schedule will
not finish later than the date specified.
- No
later than the original schedule: PSOP will
generate a schedule whose length does not exceed the length of the
Primavera schedule that was current when PSOP was invoked. Note that by
rearranging activities PSOP may be able to
reduce the over-allocation in a schedule without making the schedule
any longer. PSOP may also be able to generate a shorter
schedule that has the same or less over-allocation than the original.
- As
early as relationships and constraints allow: PSOP will
generate a schedule whose length is as short as is possible without
violating activity relationships or constraints. While it is
impossible to generate a legal schedule with shorter length, PSOP will
attempt to arrange the activities which have float to minimize
over-allocation.
In some cases PSOP may not be able to finish by the time specified.
This occurs only if it is impossible to meet the specified
finish time given the activity relationships and constraints. If such a
finish time is specified, PSOP will generate a
schedule whose length is as short as possible and a warning will be
shown in the results
dialog.
What to level:
- Resources:
PSOP will try
to minimize resource over-allocation. It will ignore roles and consider
only resources. By default all resources will be leveled. If you would
like to level only a subset of the resources, click Selected under
resources and then click the Select button. (More information...)
- Roles:
PSOP will ignore
resources and try to minimize over-allocation of roles. In order to
determine the availability of a role, the availabilities of all
resources that have the role as a primary role are accumulated. For
example, if welder is a role, and Joe and Judy are the only welders, then
the availability of the welder role at any point in time is the sum of
Joe and Judy's availability at that time. (More information...)
- Resources and
roles: This
is similar to leveling by role except resources are not ignored. If a
resource is assigned to an activity and that resource has a primary
role, the resource assignment is treated as a role assignment. If the
resource does not have any role it is leveled in the usual way. For
example, consider an activity with the following resource assignments:
- 1 welder role
- 1 painter role
- 1 resource name Joe. Joe's primary role is welder.
- 1 resource named Judy. Judy has no primary role.
This would be treated as 2 welders (the 1 welder assignment plus Joe
who is a welder), 1 painter, and 1 Judy. The availability of the roles is determined by aggregating the availabilities of all
resources with the role as a primary role. Note that when PSOP
substitutes roles for resources it does not change the resource
assignments in the P3e database. This option changes the way PSOP
calculates resource availability and usage, but does not change the P3e
project. (More
information...)
If you change the any of the options on the main settings tab, you may
wish to save these options as defaults for the current project.
Clicking the This Project button on
the lower right of the tab will cause the current settings to be saved
so that the next time you open the same project your options will be
restored. Clicking the Factory Defaults button on the lower left of the tab will restore the options on this tab to the way they were when PSOP was shipped.
Additional options for controlling PSOP can be found on the Primavera Compatability and Warnings tabs.
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