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PROGRAM EVALUATION AND REVIEW TECHNIQUE (PERT)

Category: Planning/ Monitoring - Control

ABSTRACT

Program (Project) Evaluation and Review Technique (PERT)(G) is a project management tool used to schedule, organize, and coordinate tasks within a project. It is basically a method to analyze the tasks involved in completing a given project, especially the time needed to complete each task, and to identify the minimum time needed to complete the total project. PERT planning involves the following steps:

  • Identify the specific activities and milestones.

  • Determine the proper sequence of the activities.

  • Construct a network diagram.

  • Estimate the time required for each activity.

  • Determine the critical path.

  • Update the PERT chart as the project progresses.

KEYWORDS

Program Evaluation and Review Technique (PERT), nodes, PERT event, predecessor event, successor event, PERT activity, Optimistic time, Pessimistic time, Most likely time, Expected time, Critical Path, Lead time, Lag time, Slack.

OBJECTIVE

The main objective of PERT is to facilitate decision making and to reduce both the time and cost required to complete a project.

FIELD OF APPLICATION

PERT is intended for very large-scale, one-time, non-routine, complex projects with a high degree of intertask dependency, projects which require a series of activities, some of which must be performed sequentially and others that can be performed in parallel with other activities.

RELATED TOOLS

Critical Path Method (CPM), Gantt chart

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