ML20203K528
From kanterella
| ML20203K528 | |
| Person / Time | |
|---|---|
| Site: | Oregon State University |
| Issue date: | 03/02/1998 |
| From: | Dodd B Oregon State University, CORVALLIS, OR |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 9803050120 | |
| Download: ML20203K528 (8) | |
Similar Documents at Oregon State University | |
|---|---|
Category:REPORTABLE OCCURRENCE REPORT (SEE ALSO AO LER)
MONTHYEARML20203K5281998-03-0202 March 1998
[Table view]RO 33732:on 980217,OSTR Failed to Shut Down When Console Manual Scram Button Was Pushed.Caused by Spring Return Switch Failed to Return Completely to Operate Position. Console Key Switch Cleaned & Relubricated ML20236K7251998-02-20020 February 1998 RO 33732:on 980217,manual Scram Failure Occurred.Caused by Spring Return Key Switch Failing to Return Completely to Operate Position & Wiring Change Difference.Removed & Cleaned Switch & Performed Encl 10CFR50.59 Evaluation ML20217A7451997-09-0505 September 1997 Ro:On 970812,questioned Whether OSTR Matl Balance Rept Date of 970728 Was Date Completed or Date Not to Be Exceeded. Caused by Reactor Administrator'S Pressure of Work Load. Completed OSTR Matl Balance Rept ML20138G7651996-12-23023 December 1996 Ro:On 961203,staff Performed Irradiations W/O Following Procedural Controls.On 961216,staff Prepared Shipment of Irradiated Fission Track Samples W/O Following Procedures. Caused by Staff Error.Staff Counseled ML20128G9901993-02-0101 February 1993 Ro:Discovered That Reactor Not Pulsed Semiannually to Compare Fuel Temp Measurements & Peak Power Levels W/Levels of Previous Pulses of Same Reactivity Value.Chart Listing Semiannual Surveillance & Maint Items Encl ML20245B3461989-04-17017 April 1989 Ro:On 890406,during Routine Pulsing Operation,Blue Pen Which Records Linear & Peak Power Went off-scale.Caused by Omission of 100-ohm Resistor Normally Placed Across Console Terminals.Operators Reprimanded & Procedures Changed ML20154J2511988-05-17017 May 1988 RO Re Jan 1988 Event in Which Procedures Consistent W/New NRC Policy Used Rather than Exact Written Procedures.Reactor Operations Committee Meeting on 880513 Preceeded Info for Review.Staff Instructed to Use Exact Procedures ML20071N4021983-05-25025 May 1983 Ro:On 830523,discovered Insp of Transient Control Rod Not Conducted Since 810317.Caused by Misinterpretation of Tech Specs.Surveillance Time Intervals Will Be Modified Per Ansi/Ans 15.1-1982 Guidelines 1998-03-02 Category:TEXT-SAFETY REPORT MONTHYEARML20195B6691998-11-10010 November 1998
[Table view]Safety Evaluation Supporting Amend 17 to License R-106 ML20155E8121998-06-30030 June 1998 Annual Rept of Oregon State Univ Radiation Center & Triga Reactor for 970701-980630 ML20203K5281998-03-0202 March 1998 RO 33732:on 980217,OSTR Failed to Shut Down When Console Manual Scram Button Was Pushed.Caused by Spring Return Switch Failed to Return Completely to Operate Position. Console Key Switch Cleaned & Relubricated ML20236K7251998-02-20020 February 1998 RO 33732:on 980217,manual Scram Failure Occurred.Caused by Spring Return Key Switch Failing to Return Completely to Operate Position & Wiring Change Difference.Removed & Cleaned Switch & Performed Encl 10CFR50.59 Evaluation ML20236K7301998-02-20020 February 1998 Osu Triga Reactor (OSTR) Changes,Tests & Experiments Evaluated Under Provisions of 10CFR50.59 ML20199G0331998-01-28028 January 1998 Safety Evaluation Supporting Amend 16 to License R-106 ML20217A7451997-09-0505 September 1997 Ro:On 970812,questioned Whether OSTR Matl Balance Rept Date of 970728 Was Date Completed or Date Not to Be Exceeded. Caused by Reactor Administrator'S Pressure of Work Load. Completed OSTR Matl Balance Rept ML20236F4761997-06-30030 June 1997 Corrected Table V.B.2 for 1996-1997: Monthly Summary of Gaseous Effluent Releases to Annual Rept of or State Univ Radiation Ctr & Triga Reactor for Period July 1996 - June 1997 ML20212D4531997-06-30030 June 1997 Annual Rept of Oregon State Univ Radiation Ctr & Triga Reactor,960701-970630 ML20138G7651996-12-23023 December 1996 Ro:On 961203,staff Performed Irradiations W/O Following Procedural Controls.On 961216,staff Prepared Shipment of Irradiated Fission Track Samples W/O Following Procedures. Caused by Staff Error.Staff Counseled ML20134E4181996-06-30030 June 1996 Annual Rept of Oregon State Univ Radiation Ctr & Triga Reactor for Period 950701-960630 ML20093M9851995-06-30030 June 1995 Annual Rept of Oregon State Univ Radiation Ctr & Triga Reactor June 1994-June 1995 ML20094B3621995-06-30030 June 1995 Annual Rept of Changes,Tests & Experiments Performed Per 10CFR50.59 for Period Jul 1994 - June 1995 ML20078C1511994-06-30030 June 1994 Annual Rept of or State Univ Radiation Ctr & Triga Reactor, 930701-940630 ML20059C4431993-06-30030 June 1993 Annual Rept of or State Univ Radiation Ctr & Triga Reactor,920701-930630 ML20059H5841993-06-30030 June 1993 Annual Rept of Changes,Tests & Experiments Performed Under 10CFR50.59 for 920701-930630 ML20128G9901993-02-0101 February 1993 Ro:Discovered That Reactor Not Pulsed Semiannually to Compare Fuel Temp Measurements & Peak Power Levels W/Levels of Previous Pulses of Same Reactivity Value.Chart Listing Semiannual Surveillance & Maint Items Encl ML20116J2381992-06-30030 June 1992 Annual Rept of Changes,Tests & Experiments Performed Under Provisions of 10CFR50.59 for Oregon State University Triga Reactor (Ostr) ML20116D0111992-06-30030 June 1992 Annual Rept of Oregon State Univ Radiation Center & Triga Reactor for Jul 1991 - June 1992 ML20079P0261991-11-0404 November 1991 Annual Rept of Changes,Tests & Experiments Performed Under Provisions of 10CFR50.59 for Oregon State Univ Triga Reactor for Jul 1990-June 1991 ML20085L0731991-06-30030 June 1991 Annual Rept of Oregon State Univ Radiation Ctr & Triga Reactor,Jul 1990-June 1991 ML20029A7541991-02-25025 February 1991 Followup RO Per 910215 Telcon:On 910215,water Level in Reactor Tank Lower than Normal.Caused by Water Running Out from Under Concrete Block Shield Surrounding Demineralizer Tank.Barrier Dam Constructed Across HX Room ML20062H7911990-11-27027 November 1990 Annual Rept of Changes,Tests & Experiments for Jul 1989 - June 1990 Under 10CFR50.59 ML20058F2241990-06-30030 June 1990 Annual Rept of Oregon State Univ Radiation Ctr & Triga Reactor, for Jul 1989 - June 1990 ML19327C0421989-10-31031 October 1989 Amend 5 to, SAR for Oregon State Triga Reactor (Ostr). ML19325C7001989-10-0202 October 1989 Annual Rept of Changes,Tests & Experiments Performed Under Provisions of 10CFR50.59 for Triga Reactor,For Jul 1988 - June 1989 ML20246D1071989-08-15015 August 1989 Safety Evaluation Supporting Amend 10 to License R-106 ML20012A0901989-06-30030 June 1989 Annual Rept of Oregon State Univ Radiation Ctr & Triga Reactor Jul 1988 - June 1989. ML20005D6031989-06-30030 June 1989 Annual Rept of Oregon State Univ Radiation Ctr & Triga Reactor Jul 1988 - June 1989. ML20245B3461989-04-17017 April 1989 Ro:On 890406,during Routine Pulsing Operation,Blue Pen Which Records Linear & Peak Power Went off-scale.Caused by Omission of 100-ohm Resistor Normally Placed Across Console Terminals.Operators Reprimanded & Procedures Changed ML20204G1161988-09-30030 September 1988 Annual Rept of Changes,Tests & Experiments for Oregon State Univ Triga Reactor for Jul 1987 - June 1988 ML20235D0601988-06-30030 June 1988 Annual Rept of Oregon State Univ Radiation Ctr & Triga Reactor Jul 1987 - June 1988 ML20154J2511988-05-17017 May 1988 RO Re Jan 1988 Event in Which Procedures Consistent W/New NRC Policy Used Rather than Exact Written Procedures.Reactor Operations Committee Meeting on 880513 Preceeded Info for Review.Staff Instructed to Use Exact Procedures ML20150C8761988-03-15015 March 1988 Requalification Program for Licensed Operators of Oregon State Univ Triga Reactor (Ostr) ML20149M7101988-02-11011 February 1988 Safety Evaluation Supporting Amend 9 to License R-106 ML20235R1021987-09-28028 September 1987 Annual Rept of Changes,Tests & Experiments Performed Under Provisions of 10CFR50.59 for Oregon State Univ Triga Reactor (Ostr), for Jul 1986 - June 1987 ML20235E7421987-06-30030 June 1987 Oregon State Univ Triga Reactor Annual Rept ML20197B2941986-10-0303 October 1986 Annual Rept of Changes,Tests & Experiments for Jul 1985 - June 1986,per 10CFR50.59 ML20138J9471985-10-0404 October 1985 Changes to Facility,To Facility Procedures & to Reactor Experiments for Jul 1984 - June 1985 ML20133N3991985-06-30030 June 1985 Oregon State Univ Triga Reactor Annual Rept, for Reporting Period Jul 1984 - June 1985 ML20080L2971983-09-19019 September 1983 Annual Rept of Changes,Tests & Experiments Made Under 10CFR50.59 for Triga Reactor,Jul 1982 - June 1983 ML20071N4021983-05-25025 May 1983 Ro:On 830523,discovered Insp of Transient Control Rod Not Conducted Since 810317.Caused by Misinterpretation of Tech Specs.Surveillance Time Intervals Will Be Modified Per Ansi/Ans 15.1-1982 Guidelines ML20003G2551981-04-17017 April 1981 Ro:On 810414,continuous Control Rod Withdrawal Occurred, Resulting in Net Insertion of 80 Cents Reactivity Worth. Caused by Failure of Safety Rod Up Switch.Operations Instructions Bulletin Written Re Possible Recurrence ML19340D3771980-12-19019 December 1980 Ro:On 801212,reactor Operated for Approx 1-h W/ Nonfuctioning Air Pump on Reactor Top Continuous Air Particulate Radiation Monitor.Caused by Loosely Fitting Power Plug &/Or Loose Fuse Holder Connection ML19337A7821980-08-31031 August 1980 or State Univ Triga Reactor Annual Rept for Jul 1979-June 1980 ML19310A3861980-06-0303 June 1980 Ro:On 800520,while Performing Routine Pulses,One of Five Pulses Produced Peak Power & Measured Fuel Temp Beyond Expectation for 2.55 Dollar Reactivity Insertion. Apparently Caused by 2.75 Dollar Reactivity Insertation ML20125C5651979-12-18018 December 1979 Safety Evaluation Supporting Amend 4 to License R-106 ML19290A0801979-06-30030 June 1979 Annual Operating Rept for Jul 1978-June 1979 1998-06-30 |
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