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ISTOG RELIEF REQUEST COMMONALITY ASSESSMENT

ISTOG RELIEF REQUEST COMMONALITY ASSESSMENT.

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ISTOG RELIEF REQUEST COMMONALITY ASSESSMENT

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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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