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Partial response to FOIA request for documents.Forwards app E documents which are being made available in PDR.App F documents partially withheld & App G documents being withheld in entirety (ref FOIA Exemptions 4 & 5).

Accession Number: ML20090B375

Date Released: Saturday, November 7, 2020

Package Contents

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• ML20090B523 - Partial response to FOIA request for documents.Forwards app E documents which are being made available in PDR.App F documents partially withheld & App G documents being withheld in entirety (ref FOIA Exemptions 4 & 5). (9 page(s), 8/19/1991)
• ML20090J948 - Forwards proprietary & nonproprietary versions of safety evaluation supporting licensee efforts to restore steam generator to acceptable condition following 870715 steam generator tube rupture event.Proprietary rept withheld. (41 page(s), 12/3/1987)
• ML20090K010 - Discusses generic implications of steam generator tube rupture event on 870715,per 871109 request for addl info. Actions required by NRC Bulletin 88-002 will be effective in minimizing future tube rupture. (4 page(s), 7/1/1988)
• ML20090H732 - Discusses completion of facility steam generator tube rupture RETRAN calculation.Final rept,providing details on all calculations made,forthcoming. (3 page(s), 4/19/1984)
• ML20090E705 - Disagrees w/conclusions in P Harmon memo re tube rupture event analysis.Problems w/terminology in memo discussed. (2 page(s), 5/24/1983)
• ML20090J395 - Forwards ANL/LWR/NRC 84-5, "TRAC Simulation of Ginna Steam Generator Tube Rupture Event." Task II of FIN A-2311 complete. (1 page(s), 2/11/1985)
• ML20090B370 - Forwards preliminary account of 820125 steam generator tube rupture incident at facility. (9 page(s), 2/1/1982)
• ML20090J916 - Comments on AO rept to Congress for third quarter CY87.North Anna steam generator tube rupture event on 870715 should be added to Encl 1,Page 4 & word Technetum should be corrected to Technetium on Page 3,Paragraph B.4. (1 page(s), 10/29/1987)
• ML20090B571 - Rev 3 to Procedure 1-AP-5.1, "Unit 1 Radiation Monitoring Sys." (36 page(s), 10/20/1987)
• ML20090B462 - Forwards draft Commission paper w/proposed FR notice re potential AO pertaining to steam generator tube rupture on 820125. (19 page(s), 4/23/1982)
• ML20090B583 - Rev 3 to Procedure 1-PT-46.2B, "N-16 Radiation Monitor Alarm Setpoint Calculation." (12 page(s), 10/2/1987)
• ML20090J988 - Forwards info requested during 871109 briefing of Commission re 870715 steam generator tube rupture event.Actions taken by plant operators before reactor manually tripped appropriate & have no generic implications. (4 page(s), 3/31/1988)
• ML20090G296 - Forwards G Holahan 830524 memo re steam generator tube rupture event analysis.No superheated conditions nor thermal-hydraulic behavior attributable to superheated steam identified. (2 page(s), 6/21/1983)
• ML20090B567 - Rev 3 to Procedure 1-AP-24.2, "Small Steam Generator Tube Leak." (4 page(s), 10/9/1987)
• ML20090B527 - Requests that task force be established to review & evaluate Ginna event. (1 page(s), 1/29/1982)
• ML20090B574 - Rev 3 to Procedure 1-PT-46.2A, "Condenser Air Ejector Radiation Monitor Alarm Setpoint Calculation." (8 page(s), 10/2/1987)
• ML20090B546 - Rev 3 to Procedure 1-OP-2.2, "Unit Power Operation Mode 1 to Mode 2." (30 page(s), 10/20/1987)
• ML20090B554 - Rev 3 to Procedure 1-PT-46.2C, "S/G Blowdown Radiation Monitor Alarm Setpoint Calculation." (6 page(s), 10/2/1987)
• ML20090B557 - Rev 3 to Procedure 1-PT-46.2, "Primary-to-Secondary Leak Rate Determination." (41 page(s), 10/2/1987)
• ML20090C286 - Safety evaluation accepting licensee 870915 response re SG tube rupture event rept describing plan of action for returning plant to full power operation. (41 page(s), 12/2/1987)
• ML20090B561 - Rev 3 to Procedure 1-AP-24.1, "Large Steam Generator Tube Leak Requiring Immediate & Rapid Unit Shutdown." (8 page(s), 10/8/1987)
• ML20090J806 - Trip rept of 870722,23,29 & 30 site visit re investigation of 870715 steam generator tube rupture.Chronology of event, preliminary evaluation,insp & repair history,probe types used for tests,insp plan & insp status encl. (23 page(s), 8/11/1987)