Program Evaluation and Review Technique (PERT)
In the critical path method of scheduling projects, the duration of each activity is usually defined with a reasonable degree of certainty. For some projects, it may be difficult to estimate a reasonable single duration for one more of the activities in the project schedule. The Program Evaluation and Review Technique or PERT method of project scheduling, uses three durations for each activity and the fundamental statistics to determine the probability of a project finishing earlier or later than expected. Although the PERT method is not used extensively in engineering and construction projects, it provides valuable information for assessing the risks of a schedule slippage in a project. Program Evaluation and Review Technique (PERT) was first developed in 1958 by the U.S. Navy Special Projects Office on the Polaris missile system. Existing integrated planning on such a large scale was deemed inadequate, so the Navy pulled in the Continue reading