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chart and still accurately anticipate the impact of the change on the entire schedule. With the useof a precedent diagram, that insertion of an activity is a relatively simple matter. Each activity must generally have at least one predecessor and at least one successor. With the precedence diagram, the logic is more readily apparent and incorporating a new activity is a simple matter.
The ease for adding activities for a precedence diagram, such as critical tasks, noncritical tasks, and slack time. The program shows the relationship of the tasks to each other. Thus, allowing for what-if, worst-case, best-case in most likely scenarios. Key elements also include determining predecessors and defining attributes, such as, early start date, late start date, early finish date, late finish date, duration, activity name, WBS reference, and slack/float time. Doing these tasks on a bar chart would be infuriating to whoever is doing this task on a bar chart. ConstraintsConstraints such as time, scope, and cost all have a role in any project. Cost is the financial constraints of a project, also known as the project budget. Having the financial commitment of a project is dependent on several variables. There are the resources involved, from materials to people, which include labor costs. There are other outside forces that can impact project, which must be considered in the cost of the work. There are also the fixed and variable costs inherent in any project, such as the economic cost of teams with varying skills in productivity, which must be calculated. This can seriously come into play with the use of contract workers or outsourcing. Cost processes include cost estimating to figure out the needed financial commitment for all the resources necessary to complete the job. Cost budgeting createsa cost baseline. Cost control works to manage the fluctuation of costs throughout the project.