TAC:08731
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Request for: Approved, Closed | |
Initiation
Questions Answers Results Other: ML111651195, ML19211A658, ML19345H508, ML20058A137, ML20092L116, ML20106J510, ML20116N691 | |
| From | |
MONTHYEARML20058A1371978-10-25025 October 1978
[table view]Submits Evaluation of Asymmetric LOCA Loads.Util Has Decided to Discontinue Participation in Util Task Group. Task Group Plan Inpractical Because of Recent Design of RCS Piping ML19211A6581979-12-17017 December 1979 Notifies NRC That Util Cannot Meet 781025 Schedule for Resolving Issue of Asymmetric LOCA Loads,Due to Delays in Matl Procurement.Pipe Restraints Will Be Installed During Refueling Outage ML1116511951980-04-11011 April 1980 Forwards Proprietary & Nonproprietary Versions of Structural Analysis of RCS for Postulated LOCA, Preliminary Issue.Applications for Withholding Encl. Proprietary Version Withheld (Ref 10CFR2.790) ML19345H5081981-05-14014 May 1981 Submits Info Re Status of Mods & Analyses to Resolve Issue of Asymmetric Blowdown Loads on Primary Sys,Per 781025 & s.Vessel Nozzle Insp Port Sand Plugs Will Be Replaced W/Redesigned Low Mass Plugs ML18092A2051984-05-21021 May 1984 Forwards Request for Addl Info Re Asymmetric LOCA Loads. Addl Info Needed in Order to Complete Safety Evaluation of plant-specific LOCA Analysis.Response Requested by 840731 ML20092L1161984-06-15015 June 1984 Submits Plans for Resolution of Asymmetric LOCA Loads Issue, Per Generic Ltr 84-04.Westinghouse Mechanistic Fracture Evaluation & Exemption Request from GDC 4 Requirements Will Be Submitted by 840915 ML20106J5101984-10-24024 October 1984 Forwards Nonproprietary WCAP-10640 & Proprietary WCAP-10639, Technical Bases for Eliminating Large Primary Loop Pipe Rupture as Structural Design Basis for Prairie Island Unit 1. Proprietary Rept Withheld (Ref 10CFR2.790) ML20116N6911985-04-29029 April 1985 Provides Updated Info to 841024 Submittal Re Plans for Resolving Generic Issue A-2 on Asymmetric Blowdown Loads. Westinghouse Authorized to Identify & Qualify Applicable Unit 2 Pipe Sections by 850701 ML20199D9091986-03-18018 March 1986 Notification of 860410 Meeting W/Util in Bethesda,Md to Discuss Util Progress W/Whipjet Program for Use of leak-before-break Assumption for balance-of-plant Piping. List of Attendees Provided ML20214P7801986-09-10010 September 1986 Forwards Update to 851105 Submittal Re Elimination of Large Primary Loop Pipe Rupture,Including Nonproprietary Rev 1 to WCAP 10928 & WCAP 10930 & Proprietary Rev 1 to WCAP 10929 & WCAP 10931.Proprietary Repts Withheld (Ref 10CFR2.790) ML20212F1091986-12-22022 December 1986 Safety Evaluation Supporting Elimination of Protective Devices from Design Basis for Dynamic Effects of Postulated Pipe Ruptures in Primary Coolant Loop Piping 1984-05-21 | |
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