The critical path method is a network-based scheduling technique that calculates the sequence of activities controlling a project or milestone finish date. It gives the program team a forecast based
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What Is Total Float in Project Scheduling?
Total float is the amount of working time an activity can be delayed without delaying the project finish date or another controlling schedule milestone. It measures schedule flexibility relative to
What Is Negative Float and What Causes It?
Negative float is the amount of time by which a schedule’s calculated completion date exceeds a required or targeted date. If an activity has negative 10 days of total float,
Free Float vs Total Float Explained
Free float measures how long an activity can slip without delaying an immediate successor. Total float measures how long it can slip without delaying the project finish or another controlling
What Is a Driving Predecessor?
A driving predecessor is an immediate predecessor that currently determines the start or finish date of its successor through schedule logic. If the driving predecessor moves later, the successor will
Hard Constraints vs Soft Constraints in Scheduling
The difference between hard vs soft constraints is how severely each one restricts a schedule’s response to network logic. In a forward-scheduled network, a soft constraint prevents an activity from
Why Leads Can Damage Schedule Quality
Schedule leads can damage schedule quality because they allow a successor to start before its predecessor reaches the event defined by the relationship. That overlap may look efficient. However, it
When Are Lags Appropriate in a Project Schedule?
Schedule lags are appropriate when a relationship requires a real, measurable passage of time and no work, resources, or meaningful progress occurs during that interval. A fixed curing, drying, cooling,
Out-of-Sequence Progress Explained
Out of sequence progress occurs when an activity reports actual progress even though the predecessor condition defined in the schedule has not been satisfied. For example, a successor may start
How to Trace a Critical Path in Microsoft Project
To trace the Microsoft Project critical path, start at the project completion milestone and follow its driving predecessors backward through the schedule. Use the Critical Tasks format to see critical