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Introduction
You can set the Lag
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time to add time to the start or finish of a predecessor task which creates a gap in timing. The Lag
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time delays the start of the successor task, although you can set it as a negative value as well.
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If the value is a positive number the tasks will be separated by the given number of days. If on the other hand, the Lag time is a negative value
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then the tasks will 'overlap'.
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The working and non-working days are both included in the
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Lag time calculation. Parent tasks can start/finish on non-working days when Lag
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time is applied.
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Set Lag time
To set the
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Lag time create a dependency first and click on the created link to open the details dialog. Next, enter the
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Lag time.
For example, a period almost always exists between sending out a Request for Quote for a service and receiving the
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quote. When you show a lag, you show the plus (+) sign and then the amount of lag. For example, a lag of one week is shown as +5.
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As a result, a 5-day gap will be maintained by the App and when the ASAP mode is enabled the tasks will be scheduled such that the gap is reduced to the set minimum:
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Another common case is sequential tasks starting on the same date or a couple of days before the end date of the predecessor. Let's set a negative Lag
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time (-1):
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As a result, both tasks can start on the same date while having the 'End to start' dependency:
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Lag time and non-working days
When you set the Task Period to one of the auto-modes the App will move the linked task such that it does not start on a non-working day.
For example: You can set the Lag
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time to +1, +2 or +3 but as the task there are non-working days the result position of the tasks remains unchanged:
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Lag time and
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Scheduling mode
The
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Scheduling mode has priority over the
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Lag time as explained in on this page
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. When the task is set to Manual or Locked mode, the dependencies do NOT work then with no Lag time being applied.
For example: The
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Lag time between the OA-36 and OA-135 is set to 10 days but as the OA-135 is in manual mode, the
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Lag time is not effective.
Table of contents
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