You can set lead time (lead time: An overlap between tasks that have a dependency. For example, if a task can start when its predecessor is half-finished, you can specify a finish-to-start dependency with a lead time of 50 percent for its successor [has a negative lag value].) or lag time (lag time: A delay between tasks that have a dependency. For example, if you need a two-day delay between the finish of one task and the start of another, you can establish a finish-to-start dependency and specify a two-day lag time [has a positive value].) between tasks only after creating task dependencies (task dependencies: A relationship between two linked tasks; linked by a dependency between their finish and start dates. There are four kinds of task dependencies: Finish-to-start [FS], Start-to-start [SS], Finish-to-finish [FF], and Start-to-finish [SF].).
- On the View menu, click Gantt Chart.
- In the Task Name field, select the task you want to set lead or lag time for, and then click Task Information .
- Click the Predecessors tab.
- In the Lag field, type the lead time or lag time you want as a duration (duration: The total span of active working time that is required to complete a task. This is generally the amount of working time from the start to finish of a task, as defined by the project and resource calendar.) or as a percentage of the predecessor (predecessor: A task that must start or finish before another task can start or finish.) task duration.
- To enter lead time, type a negative number or negative percentage, such as -2d for two days of lead time.
- To enter lag time, type a positive number or percentage, such as 50% for half the predecessor task's duration in lag time.
Note You can quickly add lead or lag time to a successor (successor: A task that cannot start or finish until another task starts or finishes.) task by double-clicking the link line on the Gantt Chart, and then typing the amount of lead or lag time in the Lag box.