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Final response to FOIA request for documents re North Anna, Unit 1 & Ginna steam generator tube rupture events.Forwards app D documents which are being made available in PDR.

Accession Number: ML082380335

Date Released: Thursday, October 24, 2024

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• ML082380409 - Final response to FOIA request for documents re North Anna, Unit 1 & Ginna steam generator tube rupture events.Forwards app D documents which are being made available in PDR. (36 page(s), 7/8/1991)
• ML20090J521 - Topical rept evaluation of Suppl 1 to WCAP-10698, "Evaluation of Offsite Radiation Doses for Steam Generator Tube Rupture Accident." Dose analysis methodology acceptable,w/exception of iodine transport determination. (12 page(s), 10/22/1985)
• ML20090B493 - Agrees that steam generator tube rupture constitutes AO as major degradation of primary coolant pressure boundary. Editorial changes recommended to evaluation per encl.W/o encl. (1 page(s), 5/6/1982)
• ML20090G531 - Forwards SER input re ventilation procedures during steam generator tube rupture releases.No effect on safety-related equipment operation anticipated. (3 page(s), 7/28/1983)
• ML20090B412 - Summarizes 820209 discussion w/Westinghouse re 820125 steam generator tube rupture event. (2 page(s), 3/1/1982)
• ML20090B439 - Forwards Reactor Sys Branch & Accident Evaluation Branch response to MK Udall 820205 Questions 6,10,11,15 & 17 Part II re 820125 steam generator tube rupture. (8 page(s), 2/19/1982)
• ML20090J369 - Recommends that TRAC-PF1/MOD1 & RELAP5/MOD2 be benchmarked against plant data on steam generator tube rupture event. PC disc containing TRAC-PF1/MOD1 deck for plant encl. W/o encl. (1 page(s), 11/9/1984)
• ML20090B428 - Responds to 820128 questions re steam generator tube leak at facility & general steam generator tube degradation.Task force evaluation expected 820402.Preliminary event chronology encl. (18 page(s), 3/19/1982)
• ML20090B531 - Expresses reservations re efficacy of equipment for loose parts monitoring per memo entitled, "Generic Recommendations Based Upon Review of 820125 Ginna Steam Generator Tube Rupture Event." (1 page(s), 5/19/1982)
• ML20090B485 - Forwards radiation protection input to restart safety evaluation.Functional failures of high range noble gas effluent monitors during steam generator tube rupture accident do not preclude restart. (28 page(s), 5/12/1982)
• ML20090B501 - Advises that AO should not be proposed for steam generator tube rupture.Draft marked-up SECY & FR notice encl. (5 page(s), 5/11/1982)
• ML20090B505 - Forwards generic recommendations based on review of steam generator tube rupture. (7 page(s), 5/20/1982)
• ML20090J859 - Updates 870728 interface agreement re steam generator tube rupture.Util & Westinghouse finalized tube break mechanism & mod requirement required prior to restart.Interface agreement & revised schedule encl. (3 page(s), 9/24/1987)
• ML20090H603 - Forwards Reactor Sys Branch SER of long-term restart Requirements 6 & 10 re steam generator tube rupture procedures.Procedures & Sys Review Branch SER for Items 11, 12 & 20 also encl. (11 page(s), 2/14/1984)
• ML20090B528 - Forwards generic recommendations from review of NUREG-0909, "NRC Rept on 820125 Steam Generator Tube Rupture on RE Ginna Nuclear Power Plant." (16 page(s), 5/25/1982)
• ML20090J804 - Presents NRR interface agreement re recent steam generator tube failure event at plant.Listed actions & responsibilities designated in consideration of encl WJ Dircks 820413 memo to regional administrators. (1 page(s), 7/28/1987)
• ML20090G578 - Forwards evaluation of response to long-term Items 11,12 & 20 in restart SER (NUREG-0916) re steam generator tube rupture event.Licensee responses acceptable. (4 page(s), 8/23/1983)
• ML20090B433 - Forwards 820211 transmittal memo & MK Udall 820205 questions re 820125 steam generator tube rupture.Responses to Questions 10,11 & 17 requested by 820216. (1 page(s), 2/12/1982)
• ML20090B458 - Requests assistance in review of info provided by util re facility restart. (81 page(s), 4/5/1982)
• ML20090B672 - Responds to 820928 ltr re 820125 steam tube rupture incident,advising of NUREG repts on incident & on general steam generator tube problems. (1 page(s), 10/4/1982)
• ML20090B511 - Submits recommendations re generic implications of 820125 steam generator tube rupture event. (6 page(s), 5/24/1982)
• ML20090K082 - Forwards SER supporting util 880324 response to NRC Bulletin 88-002, "Rapidly Propagating Fatigue Cracks in Steam Generator Tubes." Finding subj to adoption of addl administrative controls by licensee as described in SER. (6 page(s), 11/16/1988)
• ML20090H617 - Provides status re facility ANL steam generator tube rupture (SGTR) analysis.Reanalysis of SGTR event not straightforward or uncomplicated.Present funding inadequate. (2 page(s), 2/23/1984)
• ML20090B481 - Advises of results of review of NUREG-0909, "NRC Rept on 820125 Steam Generator Tube Rupture at RE Ginna Nuclear Power Plant." Due to low level of activity in liquid releases,branch has no generic recommendations. (1 page(s), 5/11/1982)
• ML20091B740 - Confirms 820201 telcon & informs of establishing task force to undertake review & evaluation of Ginna event.Forwards authorization to task NRC ofcs directly & informs that ofcs will give priority to receipient requests. (2 page(s), 2/5/1982)
• ML20090B562 - Discusses emergency preparedness items & findings re 820125 steam generator tube rupture at plant.From emergency preparedness standpoint,plant can restart & continue operations. (1 page(s), 5/14/1982)
• ML20090J918 - Discusses followup actions re 871109 briefing to Commission on steam generator tube rupture event.Contact & proposed milestones for completing listed task requested by 871123. (49 page(s), 11/16/1987)
• ML20090J398 - Advises of new target date of 850930 for TACs 49341 & 49899 re steam generator tube rupture safety analysis & consequent allowable iodine concentrations.Review of WCAP-10698 re overfill margin determination in progress. (1 page(s), 2/14/1985)
• ML20090B525 - Discusses generic recommendations resulting from steam generator tube rupture event,per NUREG-0909.Insp requirements of secondary side of steam generators need improvement.Repair procedures should be re-evaluated. (3 page(s), 5/24/1982)
• ML20090J352 - Forwards "Ginna Steam Generator Tube Rupture Event - RETRAN Calculations." Rept confirms NRC position re thermal & hydraulic conditions & consequences of not terminating ECCS, per HR Denton 821008 ltr.Transmittal of rept requested. (2 page(s), 8/21/1984)
• ML20090E683 - Informs of review & acceptance of util 821122 ltr as discharging long-term commitment Item 16 re steam generator tube rupture incident.Issue closed. (2 page(s), 5/16/1983)
• ML20090B676 - Requests info re 820125 accident,procedures for accident & reasons for shutdown. (1 page(s), 9/28/1982)
• ML20090B490 - Forwards safety evaluation supporting Chemical Engineering Branch preliminary findings re 820125 steam generator tube rupture incident based on review of licensee 820507 analysis. (3 page(s), 5/13/1982)
• ML20090B659 - Submits daily highlight for 821001.Fish-mouth rupture found in previously plugged tube.Small piece of weld rod found in each steam generator. (1 page(s), 10/1/1982)
• ML20090B545 - Forwards response to J Barton 820522 ltr re emergency preparedness re steam generator tube rupture accident. (2 page(s), 6/21/1982)
• ML20091B798 - Safety evaluation concerning analysis of plant response during 820125 steam generator tube failure at plant.Staff finds info provided by licensee acceptable for evaluation of event at facility. (16 page(s), 7/1/1983)
• ML082380334 - Forwards topical rept evaluation of Suppl 1 to WCAP-10698, "Evaluation of Offsite Radiation Doses for Steam Generator Tube Rupture Accident." (2 page(s), 10/22/1985)
• ML20090B377 - Forwards M Udall 820205 ltr re 820125 steam generator tube failure. (8 page(s), 2/11/1982)
• ML20090B507 - Advises that problem areas listed in 800814 SER input for SEP Topics II-3.A,B & C re hydrology were addressed either in draft version of plant integrated assessment or in comments transmitted by 820518 memo. (2 page(s), 5/26/1982)
• ML20090E686 - Forwards safety evaluation accepting alarm setpoints & operational surveillance requirements contained in licensee 821122 rept "Responses to Long-Term Commitments in Ginna Steam Generator Tube Rupture Incident Restart SER." (9 page(s), 5/3/1983)
• ML20090D196 - Forwards NUREG-0909 re Ginna 820125 steam generator tube rupture,engineering evaluation & LER re Salem 820114 load transient & engineering evaluation & LER re Brunswick 820116 loss of RHR svc water.W/o encl. (1 page(s), 7/10/1984)
• ML20091B862 - Undated safety evaluation approving Westinghouse program as acceptable approach for resolving item C.2 of NRC Bulletin 88-02, "Rapidly Propagating Fatigue Cracks in Steam Generator Tubes." (27 page(s), 4/2/1992)
• ML20090G527 - Forwards Reactor Sys Branch safety evaluation re steam generator tube rupture thermal-hydraulic analysis,reactor coolant pump alternate trip & restart criteria & stagnant flow scenarios & pressurized thermal shock. (2 page(s), 7/22/1983)
• ML20090E676 - Forwards SER (NUREG-0916) re facility restart,in response to 830419 request for info concerning 820125 steam generator tube rupture.Rept describes tube rupture & provides NRC evaluation of event.W/o encl. (1 page(s), 4/20/1983)
• ML20090H773 - Requests completion dates on TACs re radiological consequences of steam generator tube rupture be extended or dropped due to understanding that util will submit analysis in 3 to 6 months. (1 page(s), 4/25/1984)
• ML20090B436 - Responds to 820302 memo re operator actions for steam generator tube rupture event.Proposed step may reduce potential for lifting of steam safety valves & limit flashing in reactor vessel upper head. (38 page(s), 3/19/1982)
• ML20090B519 - Submits recommendations based on involvement in steam generator tube rupture task force activities. (4 page(s), 5/17/1982)
• ML20090B400 - Requests transcript of all info provided to or by facility personnel on 820125 steam generator tube rupture to ensure accurate evaluation of event by util. (1 page(s), 2/11/1982)
• ML20090B514 - Forwards generic recommendation to NUREG-0909 re steam generator tube rupture at facility. (2 page(s), 5/20/1982)
• ML20090B534 - Forwards proposed generic recommendations re steam generator tube integrity based on review of 820125 tube rupture event & draft NUREG-0844,per 820503 request. (25 page(s), 5/20/1982)
• ML20090J811 - Discusses steam generator tube rupture on 870715.Rupture raised questions re steam generator surveillance from standpoint of plant restart & generic implications.AIT formed on 870717 to investigaste event. (2 page(s), 8/14/1987)
• ML20090J855 - Forwards updated task initiation memo,dtd 870924,re steam generator tube failure event.Permission for restart for full power operations,limited to 50% full power pending staff authorization for full power,requested by util on 870922. (1 page(s), 9/25/1987)
• ML20090B472 - Requests review of task force rept,NUREG-0909, "Steam Generator Tube Rupture at RE Ginna Nuclear Power Plant," for development of generic recommendations.Comments requested by 820517. (2 page(s), 5/3/1982)