Schedule Crashing refers to a general method of compressing project time through reducing the length of a project schedule. Crashing a schedule means diminishing the scheduled time of a project to decrease the total time period required for delivering the project.
The decision on crashing a project schedule is a hard decision that is usually made after a thorough and careful analysis of all possible duration minimization alternatives has been conducted to determine which of the alternatives ensures the greatest reduction of the scheduled time at the least additional cost.
Schedule crashing is often based on estimating project activity durations to determine what amount of time can be deducted from the total duration of scheduled activities to get the highest value of project assignments. It entails an increase in workload of human resources assigned to the activities, because when an activity has a shortened delivery time, assigned human resources have to increase their efforts to perform this activity within the required period. Essentially, schedule crashing is an attempt to get the highest productivity of human resources with the minimized time and cost.
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