"Downtime" is a nasty term and the subject of many staff meetings, reports, continuous improvement programs, and company metrics. You would think something so important to nearly every industrial sector would have a clear set of definitions and methods by which to calculate it. Almost every factory loses at least 5percent of its productive capacity from downtime, and many lose up to 20percent. Downtime consultants estimate 80percent of industrial facilities are unable to estimate their downtime accurately, and many of these facilities are underestimating their Total Downtime Cost (TDC) by 200-300percent. Is this a cause for worry?
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