Letter Sequence Approval |
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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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MONTHYEARML19289C2151978-11-28028 November 1978
Forwards List of Requests for Design Changes & Other Work Items Suppl Previous Lists.Items on This List Will Not Affect Load Carrying Capability of Any Major Shear Wall
Project stage: Request
ML19259A7621979-01-0303 January 1979
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
Project stage: Other
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
Project stage: Other
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
Project stage: Other
05000344/LER-1979-008, Forwards LER 79-008/01T-01979-05-31031 May 1979
Forwards LER 79-008/01T-0
Project stage: Other
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
Project stage: Other
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
Project stage: Other
ML19209C3961979-09-27027 September 1979
Forwards Request for Addl Info Re Plant Control Bldg Design Mods.Encl Questions Comprise NRC Positions Re Acceptable Util Response
Project stage: Request
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
Project stage: Other
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
Project stage: Other
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
Project stage: Other
ML19309E4571980-03-18018 March 1980
Forwards Request for Addl Info Re Containment Purge Generic Issues. Addl Info Needed to Continue Review of
Project stage: RAI
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
Project stage: Other
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
Project stage: Other
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
Project stage: Other
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
Project stage: Approval
ML20039C6481981-12-0202 December 1981
Draft Override & Reset of Control Circuitry in Ventilation/ Purge Isolation & Other ESF Sys
Project stage: Draft Other
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
Project stage: Approval
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
Project stage: Other
ML20028F4841983-01-25025 January 1983
Forwards Qualification Info for Replacement of Hydrogen Vent Valves,Per 811002 & 820212 Commitments
Project stage: Other
1980-03-18
[Table View] |
Text
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p Docket No.: 50-344 SEP 24 BBQ Mr. Charles Goodwin, Jr.
Assistant Vice President Portland General Electric Company 121 S. W. Salmon Street Portland, Oregon 97204
Dear Mr. Goodwin:
SUBJECT:
CONFIRMATION OF. COMMITMENT TO STAFF'S NOVEMBER 19, 1979 INTERIM POSITION ON CONTAINMENT PURGING AND VENTING We have completed our review of your submittals for your facility which provided your commitments to our November 19,1979 " Interim Position on Containment Purging and Venting Pending Resolution of Isolation Valve Operability." We find your commitments to the Interim Position acceptable and are to remain in effect pending completion of our long-term review.
You may receive additional staff guidance or questions as our long-term review continues. At the conclusion of our long-term review, we will provide you with our Safety Evaluation and request Technical Specification changes if required.
A response to this confirmatory letter is not required.
Sincerely,
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Robert A. Clark, Chief Operating Reactors Branch #3 Division of Licensing cc: See next page 8010 0 90 MS P
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8 Mr. Charles Goodwin, Jr.
3 Portlana General Electric Company a
j cc: Mr. J. W. Durham, Esquire Donald W. Godard, Supervisor
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Vice President and Corporate Counsel Siting and Regulation Portland General Electric Company Oregon Department of Erergy 121 S.W. Salmon Street Labor and Industries Building i
Portland, Oregon 97204 Room 111
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Salem, Oregon 97310
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Columbia County Courthouse Law Library, Circuit Court Room
'St. Helens, Oregon 97501 Michael Malmros, Resident Inspector U. S. Nuclear Regulatory Connission Trojan Nuclear Plant P. O. Box 0 Rainier, Oregon 97043 J
Robert M. Hunt, Chairman Board of County Commissioners Columbia County St. Helens,- Oregon 97051 Director, Technical Assessment Division Office of Radiation Programs (AW-459)
U. S. Environmental Protection Agency Crystal Mall #2 Arlington, Virginia 20460 U. S. Environmental Protection Agency j
Region X Office ATTN: EIS COORDINATOR 1200 6th Avenue Seattle, Washington 98101 1
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