FREE copy of the Uptime Elements Implementation Guide once you subscribe to Reliability Weekly

Why: Capability is a component of the effectiveness equation and usually under the control of production.

When: Data for this metric is frequently produced by the Accounting department each month as a segment of the financial reports for the purpose of handling variances against the standards.

Where: Frequently in the effectiveness measure it is a weak point [as a measure of how well the production process des the job for which it was purchased] requiring substantial improvement that cannot be solved by the usual reliability and maintainability (RAM) tools. However, this metric may be deficient from the original design [an issue of design effectiveness] of the system or from the way the system is operated [an issue of use effectiveness].

These definitions are written by H. Paul Barringer and are also posted on his web site at

Return to Reliability Tools

Upcoming Events

August 8 - August 10, 2023

Maximo World 2023

View all Events
80% of newsletter subscribers report finding something used to improve their jobs on a regular basis.
Subscribers get exclusive content. Just released...MRO Best Practices Special Report - a $399 value!