Notification of Potential Design requirement:3/4-inch Test Lines from 8-inch Low Head Safety Injection Headers Do Not Allow for Acceptable Piping FlexibilityML19242D231 |
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Site: |
Sequoyah |
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Issue date: |
07/27/1979 |
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From: |
Gouge M TENNESSEE VALLEY AUTHORITY |
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To: |
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References |
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SWP-79-S-9, NUDOCS 7908140718 |
Download: ML19242D231 (1) |
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Category:ARCHIVE RECORDS
MONTHYEARML20236S0921998-07-17017 July 1998 Audit Rept,Commitment Mgt for Tva,Sequoyah Nuclear Plants, Units 1 & 2 ML20138D1891997-02-28028 February 1997 Special Project Rept Audit 97-901S, Concerns Resolution Program-Sequoyah Nuclear Plant ML20138D2331997-02-28028 February 1997 Special Project Rept Audit 97-920S, Concerns Resolution Program-TVA Nuclear, Feb 1997 ML20133F3721997-01-14014 January 1997 Press Release II-97-08, NRC Staff Proposes $100,000 Fine Against TVA NRC Staff Also Prohibits TVA Executive from Involvement in NRC-Licensed Activities ML20132G8741996-12-26026 December 1996 Press Release II-96-105, NRC Staff Proposes $100,000 in Fines Against TVA at Sequoyah ML20135D0741996-12-0606 December 1996 Press Release II-96-100, NRC Staff to Hold Predecisional Enforcement Conference to Discuss Sequoyah Equipment Concerns W/Tva ML20134L3011996-11-20020 November 1996 Press Release II-96-97, NRC Staff Proposes $50,000 Fine Against TVA at Sequoyah ML20116J5221996-08-0606 August 1996 Pressure Locking Evaluation for Required Pullout Force (for Double Disc Split Wedge) ML20116J5251996-08-0606 August 1996 Pressure Locking Evaluation for Required Pullout Force (for Double Disc Split Wedge) ML20116J5361996-08-0606 August 1996 Pressure Locking Evaluation for Required Pullout Force ML20116J5391996-08-0606 August 1996 Pressure Locking Evaluation for Required Pullout Force ML20116J5441996-08-0606 August 1996 Pressure Locking Evaluation for Required Pullout Force ML20116J5411996-08-0606 August 1996 Pressure Locking Evaluation for Required Pullout Force ML20116J5171996-08-0606 August 1996 Pressure Locking Evaluation for Required Pullout Force (for Double Disc Split Wedge) ML20116J5151996-08-0606 August 1996 Pressure Locking Evaluation for Required Pullout Force (for Double Disc Split Wedge) ML20116J5091996-08-0606 August 1996 Pressure Locking Evaluation for Required Pullout Force ML20116J5051996-08-0606 August 1996 Pressure Locking Evaluation for Required Pullout Force ML20116J5021996-08-0606 August 1996 Pressure Locking Evaluation for Required Pullout Force ML20116J4971996-08-0606 August 1996 Pressure Locking Evaluation for Required Pullout Force ML20058P1321993-12-23023 December 1993 Package Containing Answers to Questionnaire Re Employee Concerns Programs ML20065B7811993-06-18018 June 1993 Degraded Voltage Analysis ML20086H9851991-11-27027 November 1991 Evaluation of Block Clamps at Welds Near Valves 0-67-1514 & 2-67-1513 ML20028G8361990-08-21021 August 1990 Foundation Investigation of ERCW Pumping Station Foundation Cells. ML20029A0061990-08-0303 August 1990 Rev 0 to SQN-00-D052 EPM-AMJ-073190, Fire Hazard Analysis of Unit 2 App R Cables in Boric Acid Tank Area,Elevation 690 Auxiliary Bldg. ML20042F2531990-04-25025 April 1990 Instrument Accuracy Calculation 1LT-63-50,-51,-52 & -53 (RWST Switchover). ML20042F2551990-04-25025 April 1990 Instrument Accuracy Calculation 1LT-63-176,-177,-178 & -179 (RB Sump Switch). ML20043H0431990-04-11011 April 1990 Steel Containment Vessel - DBA Analysis Ccts Double Differentiation Question. ML20012C6291990-02-20020 February 1990 Rev 2 to TVA Calculation SQN-SQS2-0097, Probabilistic Analysis Showing Effects of Deleting RHR Autoclosure Interlock. ML20012A3031990-01-0303 January 1990 Foundation Investigation Evaluation of ERCW Roadway Access Cells a & B. ML20245J0781989-07-12012 July 1989 Rev 3 to Best Estimate Evaluation of Ice Condenser Basket Weights for Sequoyah Unit 1 Cycle 4, Supporting 890620 Application for Amend to License DPR-77,consisting of Tech Spec Change Request 89-24 ML20154P4121988-08-17017 August 1988 Rev 1 to Extension of Ice Condenser Weighing Period Based on Predicted Group - Row & Bay Sublimation Rates ML20151A2581988-07-0101 July 1988 Rev 0 to App R,Cable to Cable Shorts for RCS High/Low Pressure Interfaces ML20195D6671988-06-17017 June 1988 Nonproprietary App R Reactivity Calculations ML20235X3791987-09-16016 September 1987 Rev 1 to SQN-SQS4-0088, Justification for Continued Operation W/Unimplemented Corrective Actions for Moderate Energy Line Breaks ML20151M9601987-07-20020 July 1987 Package of NRC Administered Requalification Exam Results Summary ML20211A0821986-10-0303 October 1986 Package Consisting of Summary Schedule Suppl & Variance Rept & Capital Project Request Summary ML20203H2851986-07-28028 July 1986 Package of Documents Re Operating Experience W/Westinghouse PWR Steam Generators Through 820131 IA-86-445, Package of Documents Re Operating Experience W/Westinghouse PWR Steam Generators Through 8201311986-07-28028 July 1986 Package of Documents Re Operating Experience W/Westinghouse PWR Steam Generators Through 820131 ML20134L5811985-07-18018 July 1985 Package of Operator Exam Results Summary Sheets IA-85-442, Package of Operator Exam Results Summary Sheets1985-07-18018 July 1985 Package of Operator Exam Results Summary Sheets ML20129F4831985-05-0909 May 1985 Package of Compilations of Results of Operator Licensing & Requalification Exams ML20009A8271981-07-0808 July 1981 Viewgraphs Entitled TVA Inner Radius U-Bend Program, Presented at 810603 Meeting W/Nrc.Charts,Tables & Addl Info Encl ML19248D3401979-08-0202 August 1979 Const Deficiency Rept on 790802:chattering of Underfrequency Relay Contacts Caused Auxiliary Relay to Chatter,Delaying Reactor Trip & Cooling Pump Trip Signals.Relay & Design Changes Being Implemented ML19242D1601979-07-30030 July 1979 Possible RO on 790730 Re Failure to Seismically Qualify or Check Electrical Handholes in Conduit Between Auxiliary Bldg & Pump Station for Flow & Stress During Probable Max Flood ML19242D2311979-07-27027 July 1979 Notification of Potential Design requirement:3/4-inch Test Lines from 8-inch Low Head Safety Injection Headers Do Not Allow for Acceptable Piping Flexibility ML19247A9081979-07-17017 July 1979 Insp of Two Safety Injection Sys Accumulator Discharge Valves Revealed Severe Multiple Cracks in Stellite Facing. Notified Vendor,Velan Engineering Co.Possible Generic Implications to Unit 2 & Watts Bar 1998-07-17
[Table view] Category:TELEPHONE OR VERBAL CONVERSATION RECORD
MONTHYEARML19248D3401979-08-0202 August 1979 Const Deficiency Rept on 790802:chattering of Underfrequency Relay Contacts Caused Auxiliary Relay to Chatter,Delaying Reactor Trip & Cooling Pump Trip Signals.Relay & Design Changes Being Implemented ML19242D1601979-07-30030 July 1979 Possible RO on 790730 Re Failure to Seismically Qualify or Check Electrical Handholes in Conduit Between Auxiliary Bldg & Pump Station for Flow & Stress During Probable Max Flood ML19242D2311979-07-27027 July 1979 Notification of Potential Design requirement:3/4-inch Test Lines from 8-inch Low Head Safety Injection Headers Do Not Allow for Acceptable Piping Flexibility ML19247A9081979-07-17017 July 1979 Insp of Two Safety Injection Sys Accumulator Discharge Valves Revealed Severe Multiple Cracks in Stellite Facing. Notified Vendor,Velan Engineering Co.Possible Generic Implications to Unit 2 & Watts Bar 1979-08-02
[Table view] |
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