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CPM calculates available slippage in Free Float and Total Float. CPM measures Free Float by how much a predecessor activity may be delayed without causing a delay to its nearest successor activity. In GPM this is called buffer and it is calculated as the minimum of the link gaps for all logic ties to successor objects.
Activity E is sub-critical, and has a float of 1 month. The critical path method (CPM), or critical path analysis (CPA), is an algorithm for scheduling a set of project activities. [1] A critical path is determined by identifying the longest stretch of dependent activities and measuring the time [2] required to
Critical path drag is a project management metric [1] developed by Stephen Devaux as part of the Total Project Control (TPC) approach to schedule analysis and compression [2] in the critical path method of scheduling. Critical path drag is the amount of time that an activity or constraint on the critical path is adding to the project duration.
subsequent tasks ("free float") project completion date ("total float"). Total float is associated with the path. [2]: 508 [1]: 183 If a project network chart/diagram has 4 non-critical paths, then that project would have 4 total float values. The total float of a path is the combined free float values of all activities in a path.
PERT network chart for a seven-month project with five milestones (10 through 50) and six activities (A through F).. The program evaluation and review technique (PERT) is a statistical tool used in project management, which was designed to analyze and represent the tasks involved in completing a given project.
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Without resource-leveling the organization (planner, scheduler, supervisor) is most likely performing subjective selection. For the most part, when it comes to maintenance scheduling, there is less, if any, task interdependence, and therefore less need to calculate critical path and total float.
In project management, resource smoothing is defined by A Guide to the Project Management Body of Knowledge (PMBOK Guide) as a "resource optimization technique in which free and total float are used without affecting the critical path" of a project. [1]