Engineering Books PDF free: PROJECT PLANNING AND CONTROL WITH PERT AND CPMA PERT chart is a project management tool used to schedule, organize, and coordinate tasks within a project. Navy in the s to manage the Polaris submarine missile program. A similar methodology, the Critical Path Method CPM was developed for project management in the private sector at about the same time. A PERT chart presents a graphic illustration of a project as a network diagram consisting of numbered nodes either circles or rectangles representing events, or milestones in the project linked by labelled vectors directional lines representing tasks in the project. The direction of the arrows on the lines indicates the sequence of tasks. In the diagram, for example, the tasks between nodes 1, 2, 4, 8, and 10 must be completed in sequence. These are called dependent or serial tasks.
PERT VS. CPM IN HINDI - Concept - Difference - Project Planning & Evaluation - BBA/MBA - ppt
Program evaluation and review technique
The program or project 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. First developed by the United States Navy in the , it is commonly used in conjunction with the critical path method in the year CPM. PERT is a method of analyzing 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. It incorporates uncertainty by making it possible to schedule a project while not knowing precisely the details and durations of all the activities. It is more of an event-oriented technique rather than start- and completion-oriented, and is used more in these projects where time is the major factor rather than cost. It is applied on very large-scale, one-time, complex, non-routine infrastructure and on Research and Development projects.
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PERT and CPM are techniques of project management useful in the basic managerial functions of planning, scheduling and control. These days the projects undertaken by business houses are very large and take a number of years before commercial production can start. They minimise production delays, interruptions and conflicts. These techniques are very helpful in coordinating various jobs of the total project and thereby expedite and achieve completion of project on time. PERT is a sophisticated tool used in planning, schedu ling and controlling large projects consisting of a number of activities independent of one another and with uncertain completion times. It is commonly used in research and development projects.
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The critical path method CPM , or critical path analysis CPA , is an algorithm for scheduling a set of project activities. A critical path is determined by identifying the longest stretch of dependent activities and measuring the time  required to complete them from start to finish. The critical path method CPM is a project modeling technique developed in the late s by Morgan R. Walker of DuPont and James E. Kelley Jr. Critical Path Analysis is commonly used with all forms of projects, including construction, aerospace and defense, software development, research projects, product development, engineering, and plant maintenance, among others. Any project with interdependent activities can apply this method of mathematical analysis.