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Reliability, Maintainability and Risk, 9th Edition by David J. Smith

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Chapter 16

Quantified Reliability Centered Maintenance

Abstract

This chapter describes the three major areas of quantification whereby optimum maintenance is obtained. The first is optimum discard intervals (theory addressed in Chapter 6). The second is optimum spares holding whereby the cost of spares is balanced against the cost of unavailability. The third is optimum proof test intervals which balances costs in a similar manner.

Keywords

quantified
discard
age replacement
spares
proof test

16.1. What is QRCM?

Quantitative Reliability Centered Maintenance (QRCM) involves calculations to balance the cost of excessive maintenance against that of the unavailability arising from insufficient maintenance. The following simple example illustrates one ...

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