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Variability – Beneficial

A change in operating parameters that improves overall project performance. For example, the unexpected arrival time of raw materials earlier than expected, can in the right circumstances, lead to an earlier than planned completion time for the project. Other examples of beneficial variability are the introduction of new technology or processes that improve overall project performance e.g., new technology or process design. that allows one to plan for less inventory (and thus less cost) than originally envisaged.