May/June 2002 Inspectioneering Journal
Date May/June 2002
Volume  8
Issue 3
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May/June 2002 Inspectioneering Journal Article Index

  • May/June 2002 Inspectioneering Journal
    By Mike Badeen at Phillips 66 Co., Mark Geisenhoff at Flint Hills Resources, and Lynne Kaley at Trinity Bridge LLC / Trinity Bridge Digital

    Risk-Based Inspection (RBI) is an emerging technology available to plant engineers and managers as they apply risk directed activities to prioritize work and available resources for equipment management. This paper describes the learning of highly experienced RBI users, sharing results of implementation in their plants. The advantages of making and documenting reasonable assumptions will be explored. Additional benefits of the program will be shared, such as streamlined process reliability studies where RBI information can significantly impact time required for completion. Results of using the API RBI methodology for storage tank analyses will also be presented. The presenters have a combined refinery experience of over 40 years and RBI experience of over 10 years with responsibility for over 20,000 pressure vessels and overall responsibility for equipment integrity in two large refineries.

  • May/June 2002 Inspectioneering Journal
    By Greg Alvarado at Inspectioneering Journal, and C.P. Hsiao

    We have discussed various factors that can affect the reliability of NDE techniques (i.e., probability of detection - POD and sizing accuracy) in Part 1. In general, it is difficult to quantify these uncertainties. In fact, it is impossible to fully quantify the uncertainties in NDE results. However, one can achieve a higher level of reliability by reducing or minimizing the uncertainties. We will discuss some of the steps one can take to minimize the uncertainties in NDE results. By minimizing or reducing the uncertainties in NDE results, FFS assessments can be less conservative, and thus provide more margin to the serviceability of the equipment.

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