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T&D World Magazine

A Business Case for UVM

Utilities allocate resources to balance cost and reliability based on selected business models.

Determining the interval between scheduled line clearance vegetation activities is one of the fundamental challenges utility vegetation managers face. In theory, the optimal cycle period is the point at which the cost of prevention equals the cost of deferral. In other words, it is the point of balance between proactive preventive maintenance and reactive corrective maintenance. This relationship between the cost of preventive and corrective maintenance often is depicted as a classic bathtub

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