Lags in Precedence Relationships
LO 10.1 Apply lag relationships to project activities.
The term lag refers to the logical relationship between the start and finish of one activity and the start and finish of another. In practice, lags are sometimes incorporated into networks to allow for greater flexibility in network construction. Suppose we wished to expedite a schedule and determined that it was not necessary for a preceding task to be completely finished before starting its successor. We determine that once the first activity has been initiated, a two-day lag is all that is necessary before starting the next activity. Lags demonstrate this relationship between the tasks in question. They commonly occur under four logical relationships ...
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