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Davis Besse Nuclear Power Station - Request for Additional Information Response & Supplement to 10CFR50.55a Request RR-A34 for Alternate Repair Methods for Reactor Pressure Vessel Head Penetration Nozzles.

Accession Number: ML101400402

Date Released: Friday, May 28, 2010

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• ML101400404 - Davis Besse Nuclear Power Station - Request for Additional Information Response & Supplement to 10CFR50.55a Request RR-A34 for Alternate Repair Methods for Reactor Pressure Vessel Head Penetration Nozzles. (26 page(s), 5/17/2010)
• ML101400405 - AREVA Calculation 32-9136884-001, "DB-1 CRDM NOZZLE WELD ANOMALY FLAW EVALUATION OF IDTB ALTERNATE REPAIR WITH ALLOY 52M/82," Enclosure A. (48 page(s), 5/6/2010)
• ML101400406 - AREVA Calculation 32-9136508-002, "DB-1 CRDM Nozzle J-Groove Weld Flaw Evaluation for IDTB Repair," Enclosure B. (60 page(s), 5/11/2010)
• ML101400407 - AREVA Calculation 32-9135800-001, "DB-1 CRDM Nozzle Weld Anomaly Flaw Evaluation Of IDTB Repair," Enclosure C. (61 page(s), 5/7/2010)