Project management Glossary of Terms - Work
Work – working time planned to be performed by resources assigned to tasks.
As an example if you have a task with an 8 hours duration and on which are working two resources, the work calculated on that task will be 16 hours. However if the task and assigned resources' calendars don't match, in RationalPlan work will be calculated by default only for those periods where both task and resource calendar are set to be working.
To force a resource to work on a task even if by its own calendar is non-working time, check the "Resources use task calendar" checkbox in task Details window, Details tab (see below).

Of course, this will lead to some overtime work that should be paid to a different rate, defined in Resource View.
Work information can be accessed in many ways, as necessary:
- in Work column in Gantt View (cumulated for each task or phase)
- in Task Sheet (task oriented, distributed in time)
- in Resource Sheet (resource oriented, distributed in time)