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A project can be defined as: |
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a group of activities, |
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arranged in a certain sequence or relationship, |
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to achieve a specific objective, within a limited time and budget. |
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Projects have a definable start and end points: |
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a project starts when approval is granted for work to proceed to the initial stage and |
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ends when the objectives are achieved. |
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Despite the fact that each project has its own scope, most projects share the following common features: |
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Clear objectives. |
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A fixed budget and time scale. |
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A team of people. |
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Uncertainty. |
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Uniqueness. |
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The triple constraint of project management is defined as: the scope, Time and cost, where; |
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The scope is the specified requirements in order to achieve the end result. |
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The time is the time needed to finish off the project. |
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The cost is the budget of the project. |
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The triple constraint can be represented by a triangular model (see Figure 1.1) |
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Each corner of the triangle accounts for one constraint. |
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If one of the triple constraints is changed, then one or both of the other constraints will be affected. |
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Example: to improve the project time (finish early), this may result in an increase in project cost (pay for overtime). |
