A critical path consists of that set of dependent tasks (each dependent on the preceding one), which together take the longest time to complete. A CPM chart can define multiple, equally critical paths. The tasks, which fall on the critical path, should be noted in some way, so that they may be given special attention. One way is to draw critical path tasks with a double line instead of a single line. Tasks, which fall on the critical path, should receive special attention by both the project manager and the personnel assigned to them. The critical path for any given method may shift as the project progresses; this can happen when tasks are completed either behind or ahead of schedule, causing other tasks which may still be on schedule to fall on the new critical path.

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Principles of Management and Organisational Behaviour Topics