ML20237K428
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Category:NRC TECHNICAL REPORT
MONTHYEARML20058P5181990-05-11011 May 1990
[Table view]Accident Sequence Precursor Program Event Analysis 323/87-005 R2, Loss of RHR Cooling Results in Reactor Vessel Bulk Boiling ML20058P5131990-04-0505 April 1990 Accident Sequence Precursor Program Event Analysis 424/PNO-IIT-90-02A, Loop,Diesel Generator Failure & 36 Min Interruption of SDC During Mid-Loop Operation ML20058P5221990-02-0303 February 1990 Accident Sequence Precursor Program Event Analysis Loss of Reactor Protection Sys Bus B Causes Loss of Shutdown Cooling ML20148B3291988-03-14014 March 1988 Headquarters Daily Rept for 880314 ML20234B4681987-06-30030 June 1987 Loss of Residual Heat Removal System.Diablo Canyon Unit 2, April 10,1987 ML20245B5101987-03-27027 March 1987 Pressurizer Code Safety Valve Reliability ML20211P5531986-03-25025 March 1986 Rept to Commission:Review of Allegations Mgt for Diablo Canyon ML20211P6301985-10-21021 October 1985 Partially Withheld Diablo Canyon - Allegations of Misconduct by NRC Employees, Rept of Investigation ML20209E0581985-01-15015 January 1985 Supplemental Summary Rept for Regional Evaluation ML20214T7251984-11-30030 November 1984 Summary Rept for Regional Evaluation of Diablo Canyon Unit 2 ML20127G4641984-08-31031 August 1984 Rev 1 to Licensing Activities Schedule for Full Power & Fuel Load of Diablo Canyon Nuclear Power Plant,Units 1 & 2 ML20211J4811984-07-27027 July 1984 Rept of 840726 Interview W/Jp Knight Re Allegation That Governmental Decision Made Outside Official Channels Re Sser 22.Related Info Encl ML20211J4701984-07-18018 July 1984 Rept of 840716 Interview W/I Yin Re Allegation That R Vollmer Interfered W/Ability to Properly Conduct Job in Violation of 10CFR0.735-49a(f) ML20211J4381984-07-17017 July 1984 Rept of 840716 Interview W/R Vollmer Re Violation of Prior NRC Agreements W/Various Witnesses (Allegers) on 840705 ML20211J2341984-07-16016 July 1984 Rept of 840710 Interview W/T Bishop Concerning Allegations of False Statements Raised by Gap & False &/Or Misleading Statements Made to Commission That Influenced Decision to Permit Low Power Testing.Related Info Encl ML20211J2531984-07-16016 July 1984 Rept of 840709 Interview W/Jb Martin Re Allegations That on 840319,26,27 & 0413 False & Misleading Statements Made. Statements Could Have Influenced Commission in Decision to Permit Low Power Testing.Related Info Encl ML20211J3421984-07-16016 July 1984 Rept of 840710 Interview W/D Kirsch Re Two Allegations of False & Misleading Statements.Statements Could Have Influenced Commission in Decision to Permit Low Power Testing ML20211J1961984-07-0303 July 1984 Rept of 840703 Interview W/H Denton Concerning Allegation of False & Misleading Statements Made to Commission Re Timing of Notification by Gap ML20237L2301984-04-25025 April 1984 Draft Concern Items on Idvp Evaluation of L/B & S/B Piping & Pipe Support Design ML20237K4281984-03-23023 March 1984 Rev 2 to Diablo Canyon 1 Draft Investigation/Insp Rept ML20210E8081984-01-13013 January 1984 Summary of Special insp-related Info,Consisting of 840124 Interview W/L Price Re Improper Practices for Spot Checking Anchor Bolt Angle & Feelings of Intimidation at Site. Supporting Documentation Encl ML20210B2601983-07-19019 July 1983 Staff Evaluation Rept of Rev 0 to Interim Technical Rept 4, Idvp Shake Table Testing ML20210B2681983-07-19019 July 1983 Staff Rept Evaluation of Rev 0 to Interim Technical Rept 44, Idvp Share Table Test Mounting of Class 1E Electrical Equipment ML20210C4121983-07-14014 July 1983 Interim Technical Rept,Diablo Canyon Unit 1,IDVP,Soils - Intake Structure,Rev 0, Itr 13,by Rl Cloud Assoc,821105, Marked Up Rept Evaluation ML20210C4551983-07-14014 July 1983 Interim Technical Rept,Diablo Canyon Unit 1,IDVP Soils Rept - Intake Structure Sliding Resistance Itr 40,Rev 0,by Rl Cloud Associates,Inc,830309, Marked Up Rept Evaluation ML20210C4261983-07-14014 July 1983 Interim Technical Rept,Diablo Canyon Unit 1,IDVP,Soils Rept - Intake Structure Bearing Capacity & Lateral Earth Pressure,Rev 0,ITR 39,by Rl Cloud Assoc,830225, Marked Up Rept Evaluation ML20212L1621976-05-18018 May 1976 Structural Engineering Branch Position Re Plant Seismic Design ML20236M7251967-11-28028 November 1967 Rept to ACRS in Matter of PG&E Diablo Canyon Nuclear Plant, Rept 2 ML20151X4361967-11-23023 November 1967 Us AEC Div of Reactor Licensing Rept to ACRS in Matter of PG&E Diablo Canyon Nuclear Plant,Rept 2, for Use by ACRS at Dec 1967 Meeting ML20154A2631967-04-14014 April 1967 Preliminary Aspects of PG&E Application for CP for Nuclear Power Plant at Proposed Diablo Canyon Site 1990-05-11 Category:TEXT-SAFETY REPORT MONTHYEARML20211A9981999-07-12012 July 1999
[Table view]Draft,Probabilistic Safety Assessment, Risk Info Matrix, Risk Ranking of Systems by Importance Measure ML20207A7181999-05-13013 May 1999 Safety Evaluation Supporting Amends 134 & 132 to Licenses DPR-80 & DPR-82,respectively ML20206H2861999-05-0303 May 1999 Safety Evaluation Supporting Amends 133 & 131 to Licenses DPR-80 & DPR-82,respectively ML20206D5661999-04-29029 April 1999 Safety Evaluation Supporting Amends 132 & 130 to Licenses DPR-80 & DPR-82,respectively ML20205B6061999-03-26026 March 1999 Safety Evaluation Supporting Amends 131 & 129 to Licenses DPR-80 & DPR-82,respectively DCL-99-045, 1998 Annual Financial Rept for PG&E Corp. with1998-12-31031 December 1998 1998 Annual Financial Rept for PG&E Corp. with ML20249B6881998-06-11011 June 1998 Safety Evaluation Supporting Amends 128 & 126 to Licenses DPR-80 & DPR-82,respectively ML20249B5961998-06-0505 June 1998 Safety Evaluation Supporting Amends 127 & 125 to Licenses DPR-80 & 82,respectively ML20249B6041998-06-0505 June 1998 Safety Evaluation Supporting Amends 126 & 124 to Licenses DPR-80 & DPR-82,respectively ML20248D4041998-05-28028 May 1998 Safety Evaluation Supporting Amends 125 & 123 to Licenses DPR-80 & DPR-82,respectively ML20248L8761998-03-12012 March 1998 Safety Evaluation Supporting Amends 124 & 122 to Licenses DPR-80 & DPR-82,respectively ML20197B7091998-02-27027 February 1998 Safety Evaluation Supporting Amends 123 & 121 to Licenses DPR-80 & DPR-82,respectively ML20203J5141998-02-26026 February 1998 LER 98-S02-00:on 980127,following Security Sys Failure Compensatory Measures Were Not Implemented within 10 Minutes Due to Personnel Error.Caused by Failed Disk Drive. Replaced Disk Drives,Reviewed Security Computer Maint Plans ML20203L4881998-02-17017 February 1998 Safety Evaluation Supporting Amends 122 & 120 to Licenses DPR-80 & DPR-82,respectively ML20203L2981998-02-13013 February 1998 Safety Evaluation Supporting Amends 121 & 119 to Licenses DPR-80 & DPR-82,respectively ML20203M4321998-02-0303 February 1998 Safety Evaluation Supporting Amends 120 & 118 to Licenses DPR-80 & DPR-82,respectively ML20217G5151997-12-31031 December 1997 1997 PG&E Corp Annual Rept ML20205F5881997-07-24024 July 1997 Decommissioning Cost Estimate for Diablo Canyon Power Plant,Units 1 & 2 ML20149H4281997-07-17017 July 1997 Corrected SE Re Amends 119 & 117 to Licenses DPR-80 & DPR-82,respectively ML17264A9381997-07-10010 July 1997 Deficiency Rept Re Potential Safety Hazard Associated w/FM-Alco 251 Engin,High Pressure Fuel tube-catalog: 4401031-2 in Which Dual Failure Mode Exists.Caused by Incorrect Forming Process ML17083C6231997-01-31031 January 1997 Rev 4 to WCAP-13705, W Setpoint Methodology for Protection Sys Diablo Canyon Units 1 & 2,24 Month Fuel Cycle Evaluation. ML16343A4741997-01-31031 January 1997 WCAP-11595,Rev 2, W Improved Thermal Design Procedure Instrument Uncertainty Methodology Diablo Canyon Units 1 & 2 24 Month Fuel Cycle Evaluation. ML16342D5351997-01-31031 January 1997 WCAP-14826, Instrumentation Calibr & Drift Evaluation Process for Diablo Canyon Units 1 & 2,24 Month Fuel Cycle Evaluation. ML18102B6911997-01-31031 January 1997 Monthly Operating Repts for Jan 1997 for Diablo Canyon Power Plant,Units 1 & 2.W/970218 Ltr ML16342D5541996-12-31031 December 1996 Non-proprietary Nrc/Util Meeting on Model 51 SG Tube Integrity & ARC Methodology. DCL-97-045, Pacific Gas & Electric Co 1996 Annual Rept1996-12-31031 December 1996 Pacific Gas & Electric Co 1996 Annual Rept ML20129G9351996-10-25025 October 1996 Safety Evaluation Supporting Amends 117 & 115 to Licenses DPR-80 & DPR-82,respectively ML20129G7771996-10-25025 October 1996 Safety Evaluation Supporting Amends 116 & 114 to Licenses DPR-80 & DPR-82,respectively ML20129J4311996-10-18018 October 1996 Safety Evaluation Approving Corporate Restructuring & Establishment of Holding Company Under Temporary Name PG&E Parent Co.,Inc of Which PG&E Would Become Wholly Owned Subsidiary ML20117E5541996-08-19019 August 1996 Safety Evaluation Supporting Amends 115 & 113 to Licenses DPR-80 & DPR-82,respectively ML20116B8491996-07-22022 July 1996 Revised Special Rept SR 95-03:on 950621,EDG 1-2 Failed to Load During Surveillance Testing.Caused by Loose Fuse Holder Contact Clip.Retensioned Loose Fuse Holder Contact Clip & Tightened Loose Wire Connection ML20116B8521996-07-22022 July 1996 Revised Special Rept SR 95-04:on 950718,EDG 1-2 Load Swings Occurred.Caused by Defective Electronic Governor Stability Potentiometer.Replaced Electronic Governor DCL-96-155, Revised Special Rept SR 95-05:on 950806,EDG 1-2 to Achieve Rated Output Frequency within TS Limits.Caused by Degraded Electronic Governor Performance.Replaced Electronic Governor Motor Operated Potentiometer & Electronic Governor1996-07-22022 July 1996 Revised Special Rept SR 95-05:on 950806,EDG 1-2 to Achieve Rated Output Frequency within TS Limits.Caused by Degraded Electronic Governor Performance.Replaced Electronic Governor Motor Operated Potentiometer & Electronic Governor ML20117K4671996-05-28028 May 1996 Safety Evaluation Supporting Amends 113 & 111 to Licenses DPR-80 & DPR-82,respectively ML20236Q2611996-04-15015 April 1996 Rev 0 to DCP M-050284, Design Change Package for Installation of CCW Surge Tank Pressurization Sys for Unit 1 ML20094M6251995-11-21021 November 1995 Final Part 21 Rept of Investigation & Analysis of Suspect Fasteners Event 29257.B&G-Cardinal Discontinued Using Heat Treatment Equipment at Cardinal Facility Until Such Time That Satisfactory Mods Made to Hardware & Procedures ML20092F3411995-08-23023 August 1995 Corrected SE Supporting Amends 107 & 106 to Licenses DPR-82 & DPR-80,respectively ML18064A8631995-08-14014 August 1995 LER 95-004-00:on 950714,determined That Redundant DG Circuits Not Separated Per App R Due to Insufficient App R Program Documentation.Hourly Fire Tour Established in EDG 1-1 Room & Review of LERs for App R Completed ML20082H9121995-04-11011 April 1995 Safety Evaluation Supporting Amends 99 & 98 to Licenses DPR-80 & DPR-82,respectively ML18100B2981994-05-24024 May 1994 LER 94-014-00:on 940426,SG 1-2 Automatically Started When Two Indicating Light Sockets Shorted Together Due to Personnel Error.Description of Event & Lessons Learned Will Be Published in Operations Incident Summary.W/940524 Ltr ML20063M1481994-03-0303 March 1994 Safety Evaluation Supporting Amends 90 & 89 to Licenses DPR-80 & DPR-82,respectively ML20063M1111994-03-0202 March 1994 Safety Evaluation Supporting Amends 89 & 88 to Licenses DPR-80 & DPR-82,respectively ML20063M0431994-02-24024 February 1994 Safety Evaluation Supporting Amends 88 & 87 to Licenses DPR-80 & DPR-82,respectively ML16342C3091993-12-31031 December 1993 Monthly Operating Repts for Dec 1993 for Dcnpp Units 1 & 2 ML16342A3691993-08-31031 August 1993 Revised MOR for Aug 1993 for Dcnpp Unit 1 ML16342A3681993-07-31031 July 1993 Revised MOR for July 1993 for Dcnpp Unit 1 ML20046A6611993-07-21021 July 1993 Cycle 6 Startup Rept. ML20059G6811993-06-30030 June 1993 Revised MOR for June 1993 for Dcnpp Unit 1 ML20045D1731993-05-31031 May 1993 Monthly Operating Repts for May 1993 for Diablo Canyon,Units 1 & 2 ML16342A3671993-05-31031 May 1993 Revised MOR for May 1993 for Dcnpp Unit 1 1999-07-12 |
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