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Assessment of Commonality in Relief Requests Across Multiple Plants

This assessment aims to identify challenging compliance issues commonly addressed by the NRC, particularly where relief is granted for similar problems across multiple plants. By collecting and reviewing relief requests from 34 plants, we categorize these requests to highlight similarities and enhance understanding. The goal is to facilitate generic resolutions through collaboration among ISTOG, NRC, and ASME. Interested parties can reach out for connections with relevant individuals to discuss applicable relief request descriptions.

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Assessment of Commonality in Relief Requests Across Multiple Plants

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  1. ISTOGRELIEF REQUEST COMMONALITY ASSESSMENT • The GOAL of this effort was to identify any challenging compliance issues where the NRC is typically approving relief and the problems / alternative methods are similar for multiple plants. It is hoped that this information may trigger effort by ISTOG, NRC or ASME to consider more generic resolutions. • The PROCESS was to: • Collect Relief Requests from as many plants as possible ( 34 plants responded) • Review each Relief Request and develop a short overall RR description for each • Tabulate all of the RR descriptions and group in broad categories • Refine the categories until final groupings with strong similarities were identifed • If anyone sees a RR description which they may want to consider for use at their plant thay can contact me and I will give them the names of individuals to contact at applicable plants. Prepared by: E. Cavey DTE-Fermi 2 Page 1

  2. ISTOGRELIEF REQUEST COMMONALITY ASSESSMENT PUMP RELIEF TOPIC No. of Plants Prepared by: E. Cavey DTE-Fermi 2 Page 2

  3. ISTOGRELIEF REQUEST COMMONALITY ASSESSMENT PUMP RELIEF TOPIC No. of Plants Prepared by: E. Cavey DTE-Fermi 2 Page 3

  4. ISTOGRELIEF REQUEST COMMONALITY ASSESSMENT PUMP RELIEF TOPIC No. of Plants Prepared by: E. Cavey DTE-Fermi 2 Page 4

  5. ISTOGRELIEF REQUEST COMMONALITY ASSESSMENT PUMP RELIEF TOPIC No. of Plants Prepared by: E. Cavey DTE-Fermi 2 Page 5

  6. ISTOGRELIEF REQUEST COMMONALITY ASSESSMENT VALVE RELIEF TOPIC No. of Plants Prepared by: E. Cavey DTE-Fermi 2 Page 6

  7. ISTOGRELIEF REQUEST COMMONALITY ASSESSMENT VALVE RELIEF TOPIC No. of Plants Prepared by: E. Cavey DTE-Fermi 2 Page 7

  8. ISTOGRELIEF REQUEST COMMONALITY ASSESSMENT VALVE RELIEF TOPIC No. of Plants Prepared by: E. Cavey DTE-Fermi 2 Page 8

  9. ISTOGRELIEF REQUEST COMMONALITY ASSESSMENT VALVE RELIEF TOPIC No. of Plants Prepared by: E. Cavey DTE-Fermi 2 Page 9

  10. ISTOGRELIEF REQUEST COMMONALITY ASSESSMENT QUESTIONS ??? IDEAS ??? Prepared by: E. Cavey DTE-Fermi 2 Page 10

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