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 Issue dateTitleTopic
ML20211G93716 August 1999Ri Nuclear Science Center Annual Rept for Period 980701 Through 990630,providing Reactor Operating Statistics,Info Re Inadvertent Reactor Shutdowns or Scrams,Maint Operations Performed & Changes in Facility
ML20199E83512 November 1997Safety Evaluation Supporting Amend 25 to License R-95
ML20217E29923 September 1997Safety Evaluation Supporting Amend 24 to License R-95
ML20141H61923 July 1997Annual Rept for Jul 1996 - June 1997,consisting of Reactor Oeprating Statistics,Inadvertent Reactor Shutdowns or Scrams & Maint Operations Performed During Reporting Period
ML20236T92017 July 1997Annual Rept for Jul 1997 - Jun 1998,consisting of Reactor Operating Statistics,Inadvertent Reactor Shutdowns or Scrams & Maint Operations Performed During Reporting Period
ML20140H74017 June 1997Safety Evaluation Supporting Amend 23 to License R-95
ML20132E25418 December 1996Safety Evaluation Supporting Amend 22 to License R-95Shutdown Margin
ML20086T37327 July 1995First Annual Rept Required by Rev 1 to Ts,Providing Monthly Summary for Period 940701-950630,per TS 6.8.4.a,including Info on One Emergency Shutdown,Maint Operations & Descriptions of 10CFR50.59 Evaluations
ML20063K79516 February 1994Preliminary Rept on Ri Nuclear Ctr Conversion from HEU to LEU FuelShutdown Margin
ML20126F45131 December 1992Rev 1 to SAR for Low Enriched Fuel Conversion of Ri Nuclear Science Ctr Research Reactor
ML20099A62223 July 1992Rev 1 to SAR for Low Enriched Fuel of Rhode Island Nuclear Science Ctr Research Reactor
ML20086D21430 November 1991SAR for Low Enriched Fuel Conversion of Rhode Island Nuclear Science Ctr Research ReactorShutdown Margin
High Radiation Area
ML20247P19725 July 1989Ro:On 890725,fuel Element 141 Had Estimated U-235 Burnup to 18.9 G.Operator Instructed That in Addition to Quarterly Calculations Required by Tech Specs,Operator Will Make Projections to Insure That No Element Will Reach Limit
ML20205K63820 October 1988Safety Evaluation Supporting Amend 16 to License R-95
ML20154J42212 May 1988Ro:On 880512,standby Power Sys Generator Failed.Repeated Starting & Stopping of Generator Performed W/O Difficulty. Generator Ran for Approx 2 H W/O Difficulty & W/Normal Characteristics
ML20196H6358 March 1988Headquarters Daily Rept for 880308Missed surveillance
ML20245C97527 October 1987Safety Evaluation Supporting Amend 15 to License R-95
ML20128D31410 May 1985Safety Evaluation Supporting Amend 14 to License R-95
ML20093M91527 September 1984Ro:On 840927,generator Stopped & Would Not Restart.Stiff Wire Attached to Coil Snapped Off Due to Vibration.Wire Replaced W/Soft Wire & Sys Operated Normally
ML20094S58910 August 1984Ro:On 840810,telephone Lines Between Narragansett,Ri & Providence,Ri Failed,Preventing Transmission of Signals from Burglar Alarm & Supervisory Sys.Cause Unknown.Line Restored
ML20090H2689 July 1984Ro:On 840705,motor Starter Timer in Cleanup Sys Air Blower Failed During Electrical Storm.Timer Believed Struck by Lightning.Replacement Timer Installed & Reactor Returned to Power on 840709
ML20090E37728 June 1984Ro:On 840628,during Normal Operation,Standby Power Sys Shut Off & Would Not Restart.Caused by Wire Pulled Loose from Connection on Solenoid Valve.Connection Repaired & Generator Started Normally
ML20084C29817 April 1984Ro:On 840416,failure Occurred on Long Distance Telephone Lines Which Carry Burglar Alarm & Police Call Signals from Science Ctr to Rhode Island Electric Protective Co. Phone Lines Restored
ML20083Q0121 March 1984Ro:On 840229,long Distance Telephone Lines Transmitting Burglar Alarm,Power Failure,Fire & High Radiation Failed. Caused by Flooding of Phone Company Cables During Rain Storm.Message Relay Line Established
ML20078B8058 September 1983Ro:On 830907,hood Exhaust Blower Stopped.Caused by Shorted Electrical Feed Wire.Repairs Initiated
ML20071G80017 May 1983Ro:On 830516,seepage of Approx 160 cm3/h in Reactor Pool Water Discovered from Area Below Thermal Column Case.Leak Will Be Isolated to Determine Cause.Tech Specs Do Not Specify Pool Leak Rate
ML20071H69217 May 1983Ro:On 830516,seepage of Reactor Pool Water Discovered Below Thermal Column Case.Investigation Revealed Seepage from Horizontal Const Joint in Concrete Biological Shield. Procedures Initiated to Isolate Leak
ML20072H57710 March 1983Annual Rept of Changes,Tests & Experiments for Fy Ending 820630Open House
ML20054C25516 April 1982Ro:On 820416,during Startup of Reactor,Period Circuits of Wide Range Log N Channel Failed So as to Provide No Period Info to Operator or Scram Circuits,Resulting in Shutdown of Reactor
ML20041F1255 March 1982Ro:On 820303,instrumentation Components That Monitor Primary Coolant Flow & Core Outlet Temp Would Not Provide Scram for Power Failure.Cause Not Given.Components Reworked to Provide Scram
ML20041E19931 January 1982Operating Statistics,Jul 1980-June 1981.Open House
ML19290B6933 December 1979Ro:On 791121,decrease in Negative Differential Pressure Discovered Between Inside & Outside of Nuclear Science Ctr Bldg.Caused by Loose Fitting Gasket on Truck Door.Gasket Adjusted.Maint Schedule Will Be Implemented
ML19290B68428 November 1979Ro:On 791127,pH of Secondary Water Sample Exceeded Tech Spec Limit.Caused by Failure to Initiate Automatic Blowdown of Secondary Water Sample.Importance of Procedure Stressed to Operators
ML19276H05328 February 1979Ri Atomic Energy Commission Nuclear Science Ctr Operating Statistics for Jul 1977-June 1978Open House
ML19269D53816 February 1978LER 78-004/03L-0 on 780109:main Steam Line Low Pressure Switches Found to Actuate at Approx 35 Psig Below Tech Spec Requirements.Caused by Limited Setpoint Drift.Existing Surveillance Program Considered Adequate