How Does PCS Handle the .85 IRF Criteria?

If the Structure IRF has been recorded, it will calculate it against the -0.850.

The Target Structure P/S is used to determine if the reading passes criteria only when there is not a Structure IRF included with the current reading.

The Effective IR Correction and Target Structure P/S are carried forward until a new On/Off pair are collected. Then it will be recalculated and carried forward.

PCS Inspection Records

PCS System Field Calculation

Target Structure P/S = -0.850 – | Structure P/S – Structure IRF |

Example

-0.850 – | -0.950 – -0.890 |

= -0.850 – 0.06

= -0.910

 

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