Tuesday, November 1, 2011

The critical path of PERT charts


The critical path of a PERT chart helps to plan the task that must be completed in order to accomplish an overall project. The critical path is found by adding together the amount of time different tasks are going to take in a sequence. The result is the total calendar time that will be required for the project. “The longest path from the beginning to the end of the project” (American Society for Quality, 2004) is the critical path. The completion date of the project is determined by the critical path. “The project can be accelerated by adding the resources required to decrease the time for the activities in the critical path” (Internet Center for Management and Business Adminstration, Inc. , 2002).
            Because step B is part of the critical path that the project manager is overseeing, it should be given priority over all other steps, including C &D. All available resources should first go to this step, because the time in which it is completed will impact whether or not the project is completed on time. The manager should address the issues with step B first because if they are not resolved, the project would crash. Steps C and D would not cause the project to crash, because they would not affect the amount of time it takes to complete the project.
            Once the repairs to step B were completed, I would redirect my resources towards the step that took the most time. Depending on the length of time steps B & C take to complete would let me know which one I would want to prioritize over the other. I would also try and figure out what the issues were and which issue was going to take longer to address.
References
American Society for Quality. (2004). ASQ. Retrieved November 1, 2011, from Seven New Management and Planning Tools: http://asq.org/learn-about-quality/new-management-planning-tools/overview/arrow-diagram.html
Internet Center for Management and Business Adminstration, Inc. . (2002). NetMBA. Retrieved November 1, 2011, from PERT: http://www.netmba.com/operations/project/pert/

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