Author Archives: Murray Wiseman

Criticality analysis in RCM

Criticality Analysis may be applied at two levels of the RCM process. First, it may be used to sort  or classify a large number of equipment assets as to their priority for analysis. Secondly criticality analysis may be applied to … Continue reading

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PAS-55

Many companies are getting involved with PAS55.  Should they get those projects over with before embarking on LRCM? PAS55 is a compendium of asset management practices that have gained some currency over the past century. LRCM embodies the principles of … Continue reading

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Monte Carlo Simulation

In the context of maintenance and reliability, “simulation” refers to Monte Carlo Simulation (MCS). MCS generates and uses a stream of random numbers to represent failure (cumulative)  probabilities and repair duration (cumulative) probabilities. It substitutes these random numbers for F(t) in the … Continue reading

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Local, Next higher level, End effects

The FMECA process specified by MIL-STD-1629A provides a structured description of the Effects while the SAE JA1011 “minimum RCM” Effects are described by free text. One may question why LRCM chooses free text over the more stringent military structure The … Continue reading

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Myths about RCM in heavy mining equipment

Myth 1: Within the HME community, RCM seems to have been labeled “a waste of resource, time and effort” …, Fact: This happens where RCM is treated as a one-time project rather than a living process integrated into everyday maintenance … Continue reading

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