Using Task Relationship Details to Analyze a Schedule

The Task Relationship Details view helps users analyze the logic of a schedule to ensure that it is realistic and meets their needs. It is available on all Gantt views in ALICE including the Analyze page and the Plan page. With Task Relationship Details you can:

  • Identify why a given task is critical (resource driven or logic-driven)
  • Trace logic through a schedule
  • Quickly view float or slack

To access the details view from the Plan page, click on the bar on the Gantt chart that corresponds to that task.
To access the details view from the Analyze page, click on the task on the left or the bar on the Gantt chart on the right that corresponds to that task.



Task Criticality Details

After selecting a task, criticality information such as free float, total float, latest start and end date are displayed in the top right corner.

Free or Total Float calculations hep users decide which tasks need to be prioritized and which can be pushed back to a later date. They are defined as:

  • Free Float: the amount of time that a given task can be delayed without affecting any other task in the schedule

  • Total Float: the amount of time that a given task can be delayed without affecting the total project duration

Predecessor and Successor Details

Unlike other tools, ALICE also shows the reason for task criticality. For example whether the task is resource or logic-driven.

The task relationship details lists all predecessors and successors for a selected task and additional information for each logic link. Users can view this tab to gain a deeper understanding of the critical resources in their schedule. 

The relationship view can be toggled to show all predecessor or successor tasks.

Click the arrow icon on the right to open the details page for the task listed as a predecessor or successor. In this way, the logic path can be traced.

 

 

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