Semantic search

Jump to navigation Jump to search
 Issue dateTitleTopic
ML20043H94327 April 1990Requests Withholding of Proprietary WCAP-12351, North Anna Unit 1 Evaluation for Tube Vibration Induced Fatigue, from Public Disclosure Per 10CFR2.790
ML18094B41427 March 1990Outlines Plan & Basis for Plan to Update Steam Generator Tube Fatigue Evaluations Performed by Westinghouse in Response to NRC Bulletin 88-002
ML18094B2548 January 1990Requests Info Re Procedures to Expedite NRC Qualification of Control Sys Products for Nuclear Power Plant Backfitting to Enable Vendor to Market Products in Us.Negotiations W/Pse&G Underway Re Purchase of Feedwater Control Sys
ML20246D7524 August 1989Requests That Proprietary Topical Rept WCAP-12349, North Anna Unit 1 Steam Generator Update Tube Bundle Structural Integrity Presentation, Be Withheld (Ref 10CFR2.790)
ML20244B70323 May 1989Requests That Rev 1 to North Anna Unit 1 890225 Steam Generator Leak Event Rept Be Withheld from Public Disclosure (Ref 10CFR2.790)
ML20012D7583 May 1989Requests That Proprietary WCAP-12265, North Anna Unit 2 Evaluation for Tube Vibration Induced Fatigue, Be Withheld from Public Disclosure (Ref 10CFR2.790)
ML20245K72819 April 1989Requests That Proprietary Steam Generator Leak Event Rept, Be Withheld from Public Disclosure,Per 10CFR2.790(b)(4)
ML20155D15712 August 1988Requests That Proprietary WCAP-11929, Safety Evaluation: Zirconium Base Advanced Cladding Matls Usage in North Anna Unit 1 Demonstration Fuel Assemblies, Be Withheld,Per 10CFR2.790(b)(4)
NRC-87-3280, Forwards Type I & II Ltrs Re Steam Generator Tube Rupture Event,In Response to Request for Info on Generic Implications of Tube Rupture for Use in Preparing Presentation to NRC on 871109.Part 21 Related28 October 1987Forwards Type I & II Ltrs Re Steam Generator Tube Rupture Event,In Response to Request for Info on Generic Implications of Tube Rupture for Use in Preparing Presentation to NRC on 871109.Part 21 RelatedGrab sample
Flow Induced Vibration
ML20235K41423 September 1987Requests Proprietary WCAP-11601, North Anna Unit 1 Steam Generator Tube Rupture & Remedial Actions Technical Evaluation, Be Withheld from Public Disclosure (Ref 10CFR2.790)
NRC-87-3266, Forwards Proprietary WCAP-11601 & Nonproprietary WCAP-11602, North Anna Unit 1 Steam Generator Tube Rupture & Remedial Actions Technical Evaluation & Application for Withholding of Proprietary Info (Ref 10CFR2.790)23 September 1987Forwards Proprietary WCAP-11601 & Nonproprietary WCAP-11602, North Anna Unit 1 Steam Generator Tube Rupture & Remedial Actions Technical Evaluation & Application for Withholding of Proprietary Info (Ref 10CFR2.790)
NRC-87-3261, Forwards Proprietary North Anna 1 Steam Generator Tube Rupture & Remedial Actions Technical Evaluation. Rept Withheld (Ref 10CFR2.790)13 September 1987Forwards Proprietary North Anna 1 Steam Generator Tube Rupture & Remedial Actions Technical Evaluation. Rept Withheld (Ref 10CFR2.790)
ML18093A2408 July 1987Forwards Proprietary Viewgraphs from 870709 Presentation to NRC Re Elimination of RTD Bypass Line,Per NRC Concerns During 870615 Telcon
ML20207R92911 March 1987Requests Withholding of Proprietary Info Re Plant Demonstration Fuel Assemblies from Public Disclosure (Ref 10CFR2.790)
NRC-87-3208, Forwards Proprietary Info Re Plant Demonstration Fuel Assemblies.Encl Withheld (Ref 10CFR2.790)11 March 1987Forwards Proprietary Info Re Plant Demonstration Fuel Assemblies.Encl Withheld (Ref 10CFR2.790)
ML20205S45110 March 1987Requests Withholding of Proprietary Viewgraphs from 870305 Meeting Re Steam Generator Tube Integrity from Public Disclosure Per 10CFR2.790.Affidavit Encl
ML20210T0785 February 1987Requests That Encl Proprietary Viewgraphs of Facility Demonstration Assembly Irradiation Program Be Withheld (Ref 10CFR2.790)
NRC-87-3201, Forwards Nonproprietary & Proprietary Viewgraphs of Facility Demonstration Assembly Irradiation Program,Per NRC Request for Info Re Use of Advanced Fuel Rod Cladding.Proprietary Viewgraphs Withheld (Ref 10CFR2.790)5 February 1987Forwards Nonproprietary & Proprietary Viewgraphs of Facility Demonstration Assembly Irradiation Program,Per NRC Request for Info Re Use of Advanced Fuel Rod Cladding.Proprietary Viewgraphs Withheld (Ref 10CFR2.790)
NRC-86-3160, Submits Updated List of Plants Affected by Changes in ECCS Evaluation Model Described in Rev 1 to Addendum 3 to WCAP-9561-P8 September 1986Submits Updated List of Plants Affected by Changes in ECCS Evaluation Model Described in Rev 1 to Addendum 3 to WCAP-9561-P
ML20213D79220 August 1986Requests Proprietary WCAP-11163, Technical Bases for Eliminating Large Primary Loop Pipe Rupture as Structural Design Basis for North Anna Units 1 & 2, Be Withheld (Ref 10CFR2.790)
ML18092B1479 May 1986Responds to NRC 860324 Ltr Re Deviations on Training of QC Inspectors Noted in Insp Repts 50-272/86-05 & 50-311/86-05. Corrective Actions:Personnel Trained Per IE Bulletin 79-19
ML18142A0487 August 1984Requests Proprietary Comparison to Alternate Code Calculations Be Withheld (Ref 10CFR2.790).Affidavit Encl
ML18089A56228 March 1984Requests Withholding Proprietary Info from Public Disclosure Under Previously Submitted Encl 770406 Application for Withholding AW-77-18 & Affidavit Approved on 771028
ML18087A80424 March 1983Responds to 830323 Request for Info Re 830113-18 Westinghouse Servicing of Breakers.Uv Trip Attachment Cleaned & Lubricated W/Calforex 78-A
ML18087A78722 March 1983Submits Updated Info Re Investigation of Reactor Trip Switchgear Malfunctions.Technical Bulletin Recommending Independent Testing of Undervoltage & Shunt Trip Attachments for Manual Reactor Trip Expected by 830325
ML18086B10125 November 1981Authorizes Utilization of Encl 761201 Affidavit for Withholding Info from Public Disclosure in Support of Util Document Entitled, Reactor Actuation Sys Setpoint Methodology.
ML18139B48528 July 1981Requests That Vendor Proprietary Info Forwarded in Util 810724 Ltr Re High Pump Burnup Radiological Consequences Be Withheld (Ref 10CFR2.790).Authorizes Use of Original Affidavit AW-76-51 Dtd 761018
ML20040C26623 December 1980Application for Withholding Proprietary Summary Rept: Westinghouse Reactor Vessel Level Instrumentation Sys for Monitoring Inadequate Core Cooling (Microprocessor Sys).Boric Acid
Loop seal
Safe Shutdown Earthquake
Post Accident Monitoring
Affidavit
ML19320A96325 June 1980Lists Topical Repts for Which Responses to Outstanding Questions Will Be Provided to Allow SER to Proceed & to Avoid Delays in Approval of Full Power Operation.Includes WCAP-9226,-9230 & -9236
ML18085A91522 May 1980Requests That Util Proprietary Info Re Environ Qualification of safety-related Equipment Be Withheld (Ref 10CFR2.790)
ML18082A49212 May 1980Forwards Schedule for Evaluation of Westinghouse Steam Generator Row One U Bends.Requests Delay of NRC Issuance of Generic Ltrs to near-term OL Plants Requiring Plugging of Row One Tubes,In Confirmation of 800415 MeetingNondestructive Examination
ML19312D18614 March 1980Forwards Turbine Disc Integrity Task Force Concensus Response to Generic Questions Contained in NRC 800225 Ltr Re Turbine Disc Integrity.Portions Withheld (Ref 10CFR2.790)Coatings
Liquid penetrant
ML19296C47220 February 1980Forwards Corrected Copy of Matl Properties of Facility Disc 4 & Tables of A/Acr.Encls Withheld (Ref 10CFR2.790)
ML19305B9597 November 1979Discusses Undetectable Failure in Engineered Safety Features Actuation Sys.Failure of P-4 Permissive Circuit in Both Redundant Protection Trains Could Result in Failure of Sys to Automatically Initiate Protective Function.Details Encl
ML20125B9395 November 1979Notifies That Westinghouse Briefed Utils Re Problems W/ Stress Corrosion Cracking in Westinghouse Low Pressure Rotors & Problems w/1,800 Rpm Low Pressure Turbines, Reportable Per 10CFR50.55(e) or 10CFR21.W/lists of PlantsTurbine Missile
ML19268C0325 October 1979Responds to IE Bulletin 79-03 Followup Rept.Data Developed on Generic Basis & Considered Applicable to All Snupps Units.Fabrication & Installation of Youngstown Pipe Spools Will Proceed W/All Matl Analyzed Prior to Use
ML19209A39410 September 1979Responds to IE Bulletin 79-15, Deep Draft Pump Deficiencies, Re safety-related Application,Mfg & Overall Dimensions
ML18078A67112 January 1979Forwards Westinghouse Rept Evaluation of the Reactor Coolant Sys Considering Subcompartment Pressurization Following a LOCA for Unit.
ML18078A68712 January 1979Forwards Fuel Grid Impact Loads for Salem Unit No 2 (Proprietary),Synopsis of WCAP-9283(nonpropietary).W/encl Applications for Withholding AW-79-04 & AW-77-27Earthquake
ML18078A69212 January 1979Forwards Fuel Grid Impact Loads for Salem Unit No 2 (Nonproprietary)
ML18078A4801 December 1978Forwards Proprietary & non-proprietary Reptdynamic Analysis of the Reactor Coolant Sys for Loss of Coolant Accidents:Salem Nuc Generating Stations I & II, Affidavit for Withholding & Appl for Withholding
ML20150D34428 November 1978Advises NRC That Due to Extension of Date for FSAR Submission,B&W Will Defer Submission of Revs to Topical Repts BAW-10026 & 10026P Reactor Vessel Model Flow Tests for 145 Fuel Assembly Cores
ML18085A91727 August 1976Requests That Proprietary Info Re Equipment Qualification Programs & Thermal Environ Qualification Curve Be Withheld (Ref 10CFR2.790).Original Affidavit AW-76-39 Dtd 760903 Encl