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| Issue date | Title | Topic | |
|---|---|---|---|
| ML19308D054 | 5 February 1980 | Third Interim Deficiency Rept Re Excessive Output Fluctuations of Foxboro Instrumentation.New Voltage Inverters Installed at Unit 1 to Reduce Voltage Fluctuations.Rept on Permanent Solution Forwarded by 800811 | |
| ML19309E086 | 11 April 1980 | Final Deficiency Rept Re Incorrect Motor Operator Weights Used in Piping Load Analyses for 3-inch Piping in Component Cooling Water Sys.Analyses Rerun W/New Loads Applied.Support Design Inadequate.Slight Mod to Support Necessary | |
| ML19309F077 | 3 April 1980 | Final Deficiency Rept Re Main Control Room Habitability. During Preoperational Testing Significant Leakage of Unfiltered Outside Air Into Main Control During Isolation Conditions Was Discovered.Air Duct Will Be Modified | |
| ML19309F103 | 3 March 1980 | Final Deficiency Rept Re Improperly Installed Reactor Coolant Drain Line.Reanalysis by Util & Westinghouse Has Changed Nozzle & Support Loads.Two Snubbers Replaced | |
| ML19309F357 | 24 April 1980 | First Interim Deficiency Rept Re Unqualified safety-related Cable Inside Containment.Exposed Portions of Cable Cannot Be Environmentally Qualified Due to Higher Radiation Dose Levels Recently Calculated.Cable Will Be Shielded | |
| ML19309F438 | 24 April 1980 | First Interim Deficiency Rept Re Inconsistency & Repeatability Difficulty of Upper Head Injection Hydraulic Isolation Valve Accumulator Weighing Sys.Caused by Stiffening of Connecting Hydraulic Lines Under Pressure | |
| ML19309G730 | 1 May 1980 | Final Deficiency Rept Re Overstressed U-bolts on 3/4-inch Drain lines.U-bolts on 3/4-inch Pipes Have Been Redesigned to Support Pipe Laterally & Axially.All Support Mods Will Be Completed Before Fuel Loading | |
| ML19309H916 | 15 May 1980 | Final Deficiency Rept Re Error in Analysis of two-inch Containment Spray Test Lines.Lines Reanalyzed Using Correct Outside Dimension.Two Addl Supports Required.Design & Installation Will Be Completed Before Fuel Loading | |
| ML19310A439 | 11 June 1980 | First Interim Deficiency Rept Re Design Criteria for Secondary Side Pipe Breaks.Criteria Does Not Provide for Propagation of Main Steam Cracks to Other Lines.Evaluation Underway of Pipe Rupture Interaction | |
| ML19312B652 | 10 October 1979 | Revised Final Deficiency Rept Re Potential Excessive Water Hammer Forces in Main Feedwater Sys.Capacity of Main Feedwater Check Valves to Sustain Water Hammer Forces Will Be Verified | |
| ML19312E367 | 29 May 1980 | Final Deficiency Rept Re Pipe Rupture Protective Devices Omitted from Drawing of 2-inch Upper Head Injection Line & Steam Generator Blowdown Line.Devices Will Be Installed. Drawings Will Be Revised to Reflect Changes | |
| ML19312E499 | 29 May 1980 | First Interim Deficiency Rept Re Spent Fuel Pool Gates Not Designed to Seismic Category I Requirements.Cause Not Stated.Evaluation Being Conducted.Complete Corrective Action Will Be Forwarded by Unit 1 Initial Criticality | |
| ML19318A894 | 18 June 1980 | Final Deficiency Rept Re Spent Fuel Pool Gates.Qa Aspects of Gate Integrity Will Be Verified.Midheight Restraints Will Be Attached to Pool Wall Gate to Prevent Damage to Spent Fuel Elements During Seismic Event | |
| ML19318A911 | 18 June 1980 | Second Interim Deficiency Rept Re Uhi Hydraulic Isolation Valve Accumulator Weighing Sys.Review of Mod Proposed by Westinghouse Is Not Complete.Next Rept Will Be Submitted by 800724 | |
| ML19318B440 | 18 June 1980 | Suppl Info for Final Deficiency Rept Re DBA Movements of Steel Containment Vessel.All Addl Lines Reanalyzed.New Supports & Changes to Existing Supports Needed for RHR Spray Header Piping | |
| ML19320A724 | 26 June 1980 | Final Deficiency Rept Re safety-related Cable Inside Containment.Util Will Correct Exposed Cable & Terminal Boxes by Running Cables in Conduit,Which Will Provide Sufficient Shielding for Qualification to Remain Valid | |
| ML19320A732 | 26 June 1980 | Final Deficiency Rept Re Wide Range Steam Generator Level Transmitters.Transmitters Will Be Replaced by Qualified Transmitters.Installation Will Be Completed Before Preoperational Testing of Sys | |
| ML19320B078 | 2 July 1980 | Revised Final Deficiency Rept Re Spent Fuel Pool Gates. Gates Are Not Designed to Seismic Category 1 Requirements Per Reg Guide 1.13.QA Aspects of Gate Integrity Will Be Verified for All Three Plants | |
| ML19320B560 | 7 July 1980 | First Interim Deficiency Rept Re Selector Switches Environ Qualification.During Review of Switch Contract Documents, Documentation Not on File to Substantiate That Switches Are Environmentally Qualified to Withstand Temp | |
| ML19320C331 | 7 July 1980 | Second Interim Deficiency Rept Re Environ Qualification of Class IE Instruments in Valve Room.All Instruments Are Being Evaluated.Next Rept Will Be Submitted by 800912 | |
| ML19321A466 | 16 July 1980 | First Interim Deficiency Rept Re Environ Qualification of Class IE Equipment.Util Checking Files & Petitioning Manufacturers of Components for Required Environ Documentation | Boric Acid |
| ML19323C354 | 7 May 1980 | Interim Deficiency Rept Re Steam Generator Pressure Transmitters Not Sufficiently Qualified.Fsar Table Indicates Peak Temp of 296 F;Transmitters Qualified to Only 130 F. Valve Room Instruments Evaluated | |
| ML19323D402 | 12 May 1980 | Final Deficiency Rept Re Auxiliary Feedwater Response Time. Motor Driven Auxiliary Feedwater Response Time Exceeded 60-s Requirement Due to Slow Responding Pneumatic Actuators. Level Control Valve Actuator Mods to Be Complete by 800801 | |
| ML19323G117 | 23 May 1980 | First Interim Deficiency Rept Re Incorrect Insulation Weight Used in Piping Analysis.Drawing Data Will Be Reviewed | |
| ML19323G971 | 2 June 1980 | Final Deficiency Rept Re Ruskin Fire Dampers.Ruskin Developed Alternate Fix to Correct Problem W/Vertical Spring Closure & Potential for Jammed Blades | |
| ML19325C952 | 29 September 1989 | Part 21 Rept Re Potential Common Failure of SMB-000 & SMB-00 Cam Type Torque Switches Supplied Prior to 1981 & 1976. Vendor Recommends That Switch W/Fiber Spacer Be Replaced | |
| ML19325E086 | 16 October 1989 | Followup Part 21 Rept Re Class 1E Battery Chargers W/ Transformers Running at Temps Exceeding Those Used in Qualification Rept When Operating at or Near Full Load Rating of Equipment.Listed Corrective Actions Underway | |
| ML19326D871 | 18 July 1980 | First Interim Deficiency Rept Re Safety Injection Pump Breaker Lockout,Initially Reported 800619.No Visual or Audial Indication When Lockout Condition Exists.Problem Under Investigation.Next Rept to Be Submitted by 800825 | |
| ML19330A839 | 23 July 1980 | Third Interim Deficiency Rept Re Uhi Hydraulic Isolation Valve Accumulator Weighing Sys.Util & Westinghouse Are Pursuing Solution to Problem.Next Rept Will Be Submitted by 801001 | |
| ML19331C430 | 11 August 1980 | Fourth Interim Deficiency Rept Re Excessive Output Fluctuations of Foxboro Instrumentation.Permanent Solution Not Yet Found.Eventual Replacement of Instruments Containing Magnetic Amplifiers Considered | |
| ML19331C725 | 12 August 1980 | Final Deficiency Rept Re Environ Qualification of Cutler- Hammer Type 10250T Switches for Use in Class IE Circuits. Cause Not Stated.Switches Will Be Deleted Prior to Startup & Substituted W/Main Control Room Switches | |
| ML19331D142 | 22 August 1980 | Second Interim Deficiency Rept Re Environ Qualification of Class IE Equipment.Util Still in Process of Gathering Documentation on Components from Vendors.Next Rept Will Be Submitted 800922 | |
| ML19331E461 | 7 August 1980 | First Interim Deficiency Rept Re Evaluation of Sensing Line Connections to Process Piping.Reanalysis of Process Piping Will Be Completed by End of Sept.Next Rept Will Be Submitted by 801017 | |
| ML19332A001 | 7 August 1980 | Final Interim Deficiency Rept Re Spray Header Attachment Lug re-evaluation.Lug Attachments for Containment Spray & RHR Sys Headers Not Properly Evaluated When Supports Reanalyzed for Steel Containment Vessel Dynamic Movements | |
| ML19332A049 | 4 September 1980 | Final Rept Re Deficiencies in Installed Pipe Hangers & Discharge Piping in Essential Raw Cooling Water Pumping Station.Caused by Errors in Design Drawings & Embedded Pipes Extending Past Location Requirements | |
| ML19332A063 | 2 September 1980 | Revised Final Deficiency Rept Re Incorrect Valve Weights in Upper Head Injection Sys.Addl Valves W/Erroneous Weights Listed.Piping Sys Load Analyses Were Rerun Using Correct Weights | |
| ML19332A234 | 4 September 1980 | Second Interim Deficiency Rept Re Design Criteria for Secondary Side Pipe Breaks.Util Completed Analysis of Pipe Rupture Interaction.Protective Devices Will Be Added or Piping Will Be Rerouted.Will Submit Next Rept by 801028 | |
| ML19332A542 | 8 September 1980 | Second Revised Final Deficiency Rept Re Possible Structural Failure of Spent Fuel Pool Gate During Seismic Event.Problem to Be Corrected by Administratively Requiring Gate to Remain in Storage Location During Normal Plant Operations | |
| ML19337A611 | 19 September 1980 | Third Interim Deficiency Rept Re Environ Qualification of Class IE Equipment.Status of Ncrs Encl.Environmentally Qualified Switches Were Installed.Solenoid Valves Will Be Replaced.Next Rept Will Be Submitted by 801121 | |
| ML19337A856 | 25 September 1980 | Final Deficiency Rept Re Seismic Qualification of Auxiliary Feedwater Pump Recirculation Line.Caused by Use of Improper Design Category.Line to Be Reclassified & Required Seismic Supports Added Prior to Unit 2 Fuel Load | |
| ML19338G043 | 23 October 1980 | Final Deficiency Rept Re Containment Vacuum Relief Valve Pneumatic Operators.Valves Being Replaced by Assemblies from Hartsville Plant.Completion Expected by 801201 | |
| ML19338G058 | 23 October 1980 | Final Deficiency Rept Re Safety Injection Sys Train B Flow Defect.Caused by Cavitation at RHR Heat Exchanger Outlet Valves.Cavitation Eliminated by Opening Valves to 79F in Safety Injection Sys Injection Mode | |
| ML19339A324 | 24 October 1980 | Fourth Interim Deficiency Rept Re Qualification of Class IE Equipment in Valve Room.Rept Revises Erroneous Info in Third Interim Rept Re Replacement of Pressure Transmitters. Next Rept Will Be Forwarded by 801211 | |
| ML19340B174 | 16 October 1980 | First Interim Deficiency Rept Re Analysis of Intermediate Pipe Break Locations Resulting in Break Locations Shift.Util Is Evaluating Possible Consequences of Postulated Breaks for RHR Sys | |
| ML19340C095 | 5 November 1980 | Final Deficiency Rept Originally Submitted 801006 Re Essential Raw Cooling Water Pump Motor Relays.Ge IAC66 Overcurrent Relays W/Tap Range of 2.5 to 5.0 Amperes Have Been Installed for 700 Horsepower Pumps | |
| ML19340C817 | 10 December 1980 | Final Deficiency Rept,Initially Reported 800407,re Environ Qualifications of Valve Room Class IE Instruments. Differential Pressure Switches Will Be Modified to Upgrade Qualification Level & Transmitters Will Be Replaced | |
| ML19340D808 | 29 December 1980 | First Interim Deficiency Rept,Originally Reported on 801128, Re Seismic Analysis for as-built safety-related Piping Sys. Caused by Discrepancies Between Sys & Design Drawings.Half of Piping & 25% of Hangers Already Inspected | |
| ML19340E424 | 8 January 1981 | First Interim Deficiency Rept Re Environ Qualification of safety-related Electrical Equipment.Vendor Indicated Solenoid Valves Not Qualified for post-accident Environ in Annulus.Next Rept Will Be Submitted by 810212 | |
| ML19340E475 | 5 January 1981 | First Interim Deficiency Rept,Originally Reported on 801203, Re Discrepancy in as-built Vs as-analyzed Piping Anchor Location.Tva Analyzing Discrepancy to Determine Hardware Changes Necessary.Next Rept to Be Filed by 810220 | |
| ML19341A460 | 15 January 1981 | Final Deficiency Rept,Initially Reported 801216,re Environ Qualification of Electrical Equipment.Automatic Switch Co HT83316B15 Solenoids Will Be Replaced W/Valcor Model 70900-301 Valves Qualified for Calculated Accident Environ |