Structure.Gantt supports tasks with zero duration, based on the following:

  • The Duration field in the Task Details panel is set to '0'
  • The Duration attribute has a value of '0'
  • A '0' is entered as the issue's time estimate value (note: if the estimate is blank, the default estimate will be used).

When a task has a duration of zero:

  • It will appear on the timeline as a narrow task bar
  • It will not affect resource allocation, even if it is assigned to a resource

Zero-duration tasks

Notice that all the issues are assigned to the same resource, but only BP-1 affects that resource's allocation. The other tasks all have zero duration.