TAC:08291
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Request for: Approved, Closed | |
Initiation
Results Other: 05000344/LER-1979-008, Forwards LER 79-008/01T-0, 05000344/LER-1979-008-01, /01T-0 on 790521:during Review of Containment Purge Sys Design,Containment Purge Supply Ducting Was Overpressurized.Caused by Faulty Design Which Does Not Allow for Effects of Dynamic Forces Following LOCA, ML19210D622, ML19259A762, ML19262B978, ML19263E231, ML19270H773, ML19282D346, ML19318A658, ML19320B144, ML19323D025, ML20028F484, ML20039F788, ML20244A570 | |
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MONTHYEARML19259A7621979-01-0303 January 1979
[table view]Forwards Data Re Containment Purging During Modes 1,2,3 & 4 Taking Into Account Operational Capabilities,Radiological Controls,Respiratory Requirements & Safety Considerations. Seeks Containment Purging of Up to 90 H Per Year ML20244A5701979-03-30030 March 1979 States Inability to Respond to Positions 1.g to 5.b of Branch Technical Position Lsb 6-4 by 790401.Requests 60-day Extension to 790601,in Order to Provide Accurate Assessments of Containment Purging & Determine Proper Corrective Action ML19282D3461979-05-21021 May 1979 Ro:Util Cannot Assure Containment Ventilation Sys Supply Valves Will Remain Leak Tight Following Postulated LOCA While Ventilating Containment.Analysis Shows Damage to Sys May Result 05000344/LER-1979-008, Forwards LER 79-008/01T-01979-05-31031 May 1979 Forwards LER 79-008/01T-0 05000344/LER-1979-008-01, /01T-0 on 790521:during Review of Containment Purge Sys Design,Containment Purge Supply Ducting Was Overpressurized.Caused by Faulty Design Which Does Not Allow for Effects of Dynamic Forces Following LOCA1979-05-31031 May 1979 /01T-0 on 790521:during Review of Containment Purge Sys Design,Containment Purge Supply Ducting Was Overpressurized.Caused by Faulty Design Which Does Not Allow for Effects of Dynamic Forces Following LOCA ML19263E2311979-05-31031 May 1979 Responds to NRC Re Containment Purging During Normal Plant Operation.Provides Addl Info on Isolation Valve Closure & Seismic Category I Hydrogen Vent Sys ML19210D6221979-11-19019 November 1979 Responds to NRC Providing Guidelines for Qualification of Containment Purge & Vent Valves & Requesting Commitment to Implement Valve Qualification Program.Development of Purge Sys Mods Underway ML19270H7731979-11-19019 November 1979 Forwards Interim Position on Containment Purging & Venting During Normal Operation,Pending Resolution of Isolation Valve Operability.Commitment to Comply W/Encl Position Should Be Submitted within 45 Days ML19262B9781980-01-14014 January 1980 Responds to NRC 791119 Position Re Containment Purge & Vent Valve Operation.Purging & Venting Performed When Needed to Improve Working Conditions ML19309E4571980-03-18018 March 1980 Forwards Request for Addl Info Re Containment Purge Generic Issues. Addl Info Needed to Continue Review of ML19323D0251980-05-12012 May 1980 Notifies That Info Re Containment Purge Sys,Requested in NRC & 800507 Telcon,Will Be Submited by 800615, in Conjunction W/Ie Bulletin 80-06 Review Effort ML19318A6581980-06-16016 June 1980 Forwards Addl Info Re Containment Purge Sys Requested by NRC .Provides Response to Questions & as-built Tabulation of Engineered Safety Features Equipment Required to Operate Automatically Following Accident ML19320B1441980-07-0303 July 1980 Submits Clarification of 800616 Addl Info Re Containment Purge Sys,Submitted in Response to 800318 Request.High Radiation Signal Can Be Overridden Manually by Raising Setpoint or Holding Reset on Radiation Monitors Panel ML19351D3331980-09-24024 September 1980 Advises That Util Commitments Re NRC 791119 Interim Position on Containment Purging Venting Pending Resolution of Isolation Valve Operability Are Acceptable.Safety Evaluation & Tech Spec Changes Will Be Provided,If Required ML20039C6481981-12-0202 December 1981 Draft Override & Reset of Control Circuitry in Ventilation/ Purge Isolation & Other ESF Sys ML20236A0681981-12-0404 December 1981 Safety Evaluation Re Containment Purging & Venting During Normal Operation of Plant.Purge/Vent Sys Design & Operating Practices for Facility Acceptable Subj to Implementation of Recommended Actions ML20039F7881981-12-18018 December 1981 Requests Review & Comments Re Encl Technical Evaluation Rept Concerning Containment Venting & Purging.Response Requested within 60 Days of Receipt of Ltr ML20028F4841983-01-25025 January 1983 Forwards Qualification Info for Replacement of Hydrogen Vent Valves,Per 811002 & 820212 Commitments 1980-05-12 | |
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