|Home About News Library Contact|
|Functional Failure ("F")
sometimes called "Complete
Failure" but this is not ideal as a functional failure can
sometimes precede complete failure.
When the density of deficiencies has exceeded a reasonably acceptable level and the assembly as a whole is now Beyond Economic Repair (BER).
The failure of an asset at some point after potential failure ("P") has occurred.
Functional failure is sometimes also referred to as end-of-life year.
Attributes and Consequences:
Listed below are some of the attributes of functional failure of an asset necessitates renewal.
Examples of "F" Relative to the Forces of Retirement:
Examples and Defined Points:
Listed below are the functional failure milestone points under each of the six primary replacement driver scenarios, which are ranked in order of precedence:
Anticipating and Measuring "F":
Listed below are some of the tools and techniques available to the asset manager in anticipating and preparing for functional failure of assets:
Fig. An example of the progression from potential failure ("P") to functional failure ("F") along the P-F interval.
Fig. The P-F interval illustrated with asphalt paving along the curve.
Fig. The risk spectrum extending along the P-F interval.
Fig. Decisions should consider the whole life of assets, including the I-P interval and the P-F interval.
Fig. Predictive maintenance (PdM) technologies along the P-F Curve in relation to Potential Failure (P) and Functional Failure (F).
Fig. The conceptual relationship between Functional Failure (F) and Potential Failure (P) on a P-F curve.
Fig. Conceptual representation of short-life assets, medium-life assets and long-life assets relative to their respective points of functional failure.
Fig. I. Care is trying to use a crystal ball to make forecasts about the deterioration of his assets.
Fig. Survivor curve with the point of functional failure ("F") at the modal year (critical year).
|(c) Copyright Asset Insights, All Rights Reserved. - "Insight, foresight and oversight of assets"|