ML20213C926
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| ML20213C926 | |
| Person / Time | |
|---|---|
| Site: | Fort Saint Vrain  |
| Issue date: | 04/13/1979 |
| From: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE) |
| To: | |
| Shared Package | |
| ML20062H133 | List: |
| References | |
| PNO-79-067T, PNO-79-67T, NUDOCS 7905150245 | |
| Download: ML20213C926 (1) | |
Similar Documents at Fort Saint Vrain | |
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Category:PRELIMINARY NOTIFICATION OF EVENT OR OCCURRENCE (PNO
MONTHYEARPNO-IV-89-055, on 890829,Board of Directors Directed Termination of Nuclear Operations at Facility for 100-day Cooldown Period in Preparation for 30-month Reactor Defueling.Nrc Currently Reviewing Defueling Safety Analysis1989-08-29029 August 1989
[Table view]PNO-IV-89-055:on 890829,Board of Directors Directed Termination of Nuclear Operations at Facility for 100-day Cooldown Period in Preparation for 30-month Reactor Defueling.Nrc Currently Reviewing Defueling Safety Analysis PNO-IV-89-052C, updates 890818,21 & 23 Unplanned Reactor Shutdowns Due to Inoperable Control Rod.Control Rod Assembly Will Be Removed Using Bldg Crane.Aluminum Shutter Will Be Remotely Placed on Bottom of Canister1989-08-25025 August 1989 PNO-IV-89-052C:updates 890818,21 & 23 Unplanned Reactor Shutdowns Due to Inoperable Control Rod.Control Rod Assembly Will Be Removed Using Bldg Crane.Aluminum Shutter Will Be Remotely Placed on Bottom of Canister PNO-IV-89-052B, on 890823,unplanned Reactor Shutdown Due to Inoperable Control Rod.Licensee Plans to Remove Control Rod Pair W/Bldg Crane in Unshielded Configuration to Shielded, Contained Evolution1989-08-23023 August 1989 PNO-IV-89-052B:on 890823,unplanned Reactor Shutdown Due to Inoperable Control Rod.Licensee Plans to Remove Control Rod Pair W/Bldg Crane in Unshielded Configuration to Shielded, Contained Evolution PNO-IV-89-052A, on 890818,after Attempting to Withdraw & Insert Control Rod Pair from Region 19,control Rod Motor Stopped Drawing Current & Indicated Open Conductor or Thermal Overload.Pair Will Be Withdrawn Using Bldg Crane1989-08-21021 August 1989 PNO-IV-89-052A:on 890818,after Attempting to Withdraw & Insert Control Rod Pair from Region 19,control Rod Motor Stopped Drawing Current & Indicated Open Conductor or Thermal Overload.Pair Will Be Withdrawn Using Bldg Crane PNO-IV-89-052, on 890817,unplanned Reactor Shutdown Due to Inoperable Control Rod Drive Occurred.Attempts to Clear Cause of Slack Cable Light Failed.Loop 2 Shutdown Due to Upset in Bearing Water Sys Occurred During Plant Shutdown1989-08-18018 August 1989 PNO-IV-89-052:on 890817,unplanned Reactor Shutdown Due to Inoperable Control Rod Drive Occurred.Attempts to Clear Cause of Slack Cable Light Failed.Loop 2 Shutdown Due to Upset in Bearing Water Sys Occurred During Plant Shutdown PNO-IV-89-044, on 890628,pressure in Waste Gas Receiver a Decreased from 250 Psig & Pressure in Receiver a Decreased from 60 to 50 Psig.Caused by Erroneous Valve Lineup.Plant Stack Monitors Did Not Alarm1989-06-28028 June 1989 PNO-IV-89-044:on 890628,pressure in Waste Gas Receiver a Decreased from 250 Psig & Pressure in Receiver a Decreased from 60 to 50 Psig.Caused by Erroneous Valve Lineup.Plant Stack Monitors Did Not Alarm PNO-IV-89-040, from 890622-23,power Exceeded 82% & Secondary Heat Balance Indication in Control Room Read Approx 79.2%.On 890623,discovered Incorrect Input Into Secondary Heat Balance Calculation.Power Reduced to 65% Pending Evaluation1989-06-23023 June 1989 PNO-IV-89-040:from 890622-23,power Exceeded 82% & Secondary Heat Balance Indication in Control Room Read Approx 79.2%.On 890623,discovered Incorrect Input Into Secondary Heat Balance Calculation.Power Reduced to 65% Pending Evaluation PNO-IV-89-036, on 890529,two Teenagers Shot by off-duty Security Guard Following Confrontation Re Assault.Guard Arrested & Being Held for Murder.Licensee Plans to Issue Press Release.State of Co Will Be Informed.Record Copy1989-05-30030 May 1989 PNO-IV-89-036:on 890529,two Teenagers Shot by off-duty Security Guard Following Confrontation Re Assault.Guard Arrested & Being Held for Murder.Licensee Plans to Issue Press Release.State of Co Will Be Informed.Record Copy PNO-IV-89-031, on 890427,CRD 3 Failed to Insert on Scram During Performance of Weekly Partial Insertion Scram Tests. Troubleshooting Confirmed That CRD Brake Deenergized & That Rod Out Limit Cleared.Licensee Plans to Replace CRDs 3 & 71989-04-28028 April 1989 PNO-IV-89-031:on 890427,CRD 3 Failed to Insert on Scram During Performance of Weekly Partial Insertion Scram Tests. Troubleshooting Confirmed That CRD Brake Deenergized & That Rod Out Limit Cleared.Licensee Plans to Replace CRDs 3 & 7 PNO-IV-88-054, on 880705,reactor Shut Down to Commence 99-day Planned Outage to Replace Fasteners Associated W/Helium Circulators.Licensee Schedule Calls for Return to Operations on 881007.Region IV Prepared to Respond to Media Inquiries1988-07-0606 July 1988 PNO-IV-88-054:on 880705,reactor Shut Down to Commence 99-day Planned Outage to Replace Fasteners Associated W/Helium Circulators.Licensee Schedule Calls for Return to Operations on 881007.Region IV Prepared to Respond to Media Inquiries PNO-IV-88-025, on 880404,following Manual Reactor Scram, Unplanned Release of Noble Gas Occurred When Relief Valve Opened to Relieve Pressure in Vent Line Between the Core Support Floor & Waste Gas Sys1988-04-0505 April 1988 PNO-IV-88-025:on 880404,following Manual Reactor Scram, Unplanned Release of Noble Gas Occurred When Relief Valve Opened to Relieve Pressure in Vent Line Between the Core Support Floor & Waste Gas Sys PNO-IV-88-011, on 880210,helium Circulator Tripped Due to Erroneous Low Speed Signal W/Reactor at 75% Power.Reactor Operators Manually Srammed Reactor from 25% Power W/One Helium Circulator Running.State of Co Informed1988-02-11011 February 1988 PNO-IV-88-011:on 880210,helium Circulator Tripped Due to Erroneous Low Speed Signal W/Reactor at 75% Power.Reactor Operators Manually Srammed Reactor from 25% Power W/One Helium Circulator Running.State of Co Informed PNO-IV-87-052, on 871002,reactor Tripped Due to Loss of Both Reactor Coolant Flow Loops Due to Fire in Turbine Bldg. Caused by Failure of Hydraulic Sys Filter.Reactor Manually Tripped,Alert Declared & Fire Extinguished1987-10-0505 October 1987 PNO-IV-87-052:on 871002,reactor Tripped Due to Loss of Both Reactor Coolant Flow Loops Due to Fire in Turbine Bldg. Caused by Failure of Hydraulic Sys Filter.Reactor Manually Tripped,Alert Declared & Fire Extinguished PNO-IV-87-035, licensee Initiated Plant Shutdown,Estimated to Last Approx 35 Days,To Replace Helium Coolant Circulation 1D.Circulation Developed Wobble & Penetration Interspace Seal Leak of Purified Helium.State of Co Will Be Informed1987-07-29029 July 1987 PNO-IV-87-035:licensee Initiated Plant Shutdown,Estimated to Last Approx 35 Days,To Replace Helium Coolant Circulation 1D.Circulation Developed Wobble & Penetration Interspace Seal Leak of Purified Helium.State of Co Will Be Informed PNO-IV-87-025, on 870427,received Permission to Take Reactor at Power Levels Above 10%.On 870430,generator Synchronized W/Grid.Licensee Will Conduct Operations at Less than 35% Power Until Certain Technical Issues Resolved1987-05-0101 May 1987 PNO-IV-87-025:on 870427,received Permission to Take Reactor at Power Levels Above 10%.On 870430,generator Synchronized W/Grid.Licensee Will Conduct Operations at Less than 35% Power Until Certain Technical Issues Resolved PNO-IV-87-020, augmented Insp of Low Power Operations Led Region to Conclude That Plant Being Operated in Prof & Conservative Manner.Licensee Conducting Surveillance Testing1987-04-24024 April 1987 PNO-IV-87-020:augmented Insp of Low Power Operations Led Region to Conclude That Plant Being Operated in Prof & Conservative Manner.Licensee Conducting Surveillance Testing PNO-IV-87-018, on 870417,reactor Taken Critical.First Criticality Since Reactor Shut Down on 860531 for Outage to Make Mods.Plant Under 10% Power Restriction for Operator Effectiveness Evaluation & Drying Out of Reactor Core1987-04-17017 April 1987 PNO-IV-87-018:on 870417,reactor Taken Critical.First Criticality Since Reactor Shut Down on 860531 for Outage to Make Mods.Plant Under 10% Power Restriction for Operator Effectiveness Evaluation & Drying Out of Reactor Core PNO-IV-87-019, former Manager of Nuclear Production Convicted & Sentenced to 3 Yrs.Conviction Resulted from Guilty Plea & Plea Bargaining.Three Others Indicted at Same Time for Related Offences Have Not Yet Come to Trial1987-04-17017 April 1987 PNO-IV-87-019:former Manager of Nuclear Production Convicted & Sentenced to 3 Yrs.Conviction Resulted from Guilty Plea & Plea Bargaining.Three Others Indicted at Same Time for Related Offences Have Not Yet Come to Trial PNO-IV-86-029, util Announced Expense Write Down of Company Assets in Amount of $75-100 Million,Study of Alternatives Re Future Operations & Approval of Settlement Agreement W/ Litigating Parties in Suits Before State of Co1986-09-24024 September 1986 PNO-IV-86-029:util Announced Expense Write Down of Company Assets in Amount of $75-100 Million,Study of Alternatives Re Future Operations & Approval of Settlement Agreement W/ Litigating Parties in Suits Before State of Co ML20212P0011986-08-25025 August 1986 PNS-IV-86-002:on 860822,determined That During June 1986 Security Watchman Entered & Exited Site w/22-caliber Handgun Hidden in Boot.Site Access of Individual Terminated & Investigation Underway.Personnel Being Hand Searched PNO-IV-86-012, on 860411,turbine Trip Occurred Due to Faulty electro-hydraulic Control (EHC) Card Following Synchronization W/Grid for First Time Since June 1984.EHC Card Repaired & Plant Returned to Grid on 8604121986-04-14014 April 1986 PNO-IV-86-012:on 860411,turbine Trip Occurred Due to Faulty electro-hydraulic Control (EHC) Card Following Synchronization W/Grid for First Time Since June 1984.EHC Card Repaired & Plant Returned to Grid on 860412 PNO-IV-85-010, on 860403,noble Gas Release of 96 Mci Over 1 H Period Occurred.Caused by Helium Circulators & Purification Sys Loss Due to Partial Loss of Offsite Power During Blizzard.Power Restored1986-04-0303 April 1986 PNO-IV-85-010:on 860403,noble Gas Release of 96 Mci Over 1 H Period Occurred.Caused by Helium Circulators & Purification Sys Loss Due to Partial Loss of Offsite Power During Blizzard.Power Restored PNO-IV-85-037A, on 850721,criticality Achieved.Crd Assemblies Refurbished & Bolting in All Four Circulators & Reserve Shutdown Hopper Matl Replaced During Prolonged Shutdown Since 8406231985-07-22022 July 1985 PNO-IV-85-037A:on 850721,criticality Achieved.Crd Assemblies Refurbished & Bolting in All Four Circulators & Reserve Shutdown Hopper Matl Replaced During Prolonged Shutdown Since 840623 PNO-IV-85-037, on 850719,confirmation of Action Ltr Issued Permitting Reactor to Return to Operation at Power Levels Not to Exceed 15% of Rated Power,Pending Resolution of Questions Re Equipment Qualification1985-07-19019 July 1985 PNO-IV-85-037:on 850719,confirmation of Action Ltr Issued Permitting Reactor to Return to Operation at Power Levels Not to Exceed 15% of Rated Power,Pending Resolution of Questions Re Equipment Qualification PNO-IV-84-014A, on 840626,licensee Committed to Maintain Fort St Vrain in Shutdown Condition Until Cause of Failure of Six Rod Pairs to Drop on Reactor Trip Identified,Corrective Measures Taken & NRC Authorizes Return to Operations1984-06-27027 June 1984 PNO-IV-84-014A:on 840626,licensee Committed to Maintain Fort St Vrain in Shutdown Condition Until Cause of Failure of Six Rod Pairs to Drop on Reactor Trip Identified,Corrective Measures Taken & NRC Authorizes Return to Operations PNO-IV-84-014, on 840623,reactor Tripped on High Pressure Signal & 6 of 7 Control Rod Pairs Failed to Drop.Cause Unknown.Drive Mechanisms Will Be Removed for Exam1984-06-25025 June 1984 PNO-IV-84-014:on 840623,reactor Tripped on High Pressure Signal & 6 of 7 Control Rod Pairs Failed to Drop.Cause Unknown.Drive Mechanisms Will Be Removed for Exam PNO-IV-80-010, on 800304,hydraulic Oil Fire Occurred in Turbine Bay.Caused by Hydraulic Oil Leakage from Valve Flange on to Hot Steam Traps.Fire Extinguished Immediately by Security Guard.Platteville Fire Dept Notified1980-03-0505 March 1980 PNO-IV-80-010:on 800304,hydraulic Oil Fire Occurred in Turbine Bay.Caused by Hydraulic Oil Leakage from Valve Flange on to Hot Steam Traps.Fire Extinguished Immediately by Security Guard.Platteville Fire Dept Notified PNO-IV-80-009, on 800228,State of Co Will Conduct Emergency Response Exercise to Test State & Local Emergency Plans. Members of Interagency Regional Advisory Committee & Region 4 Will Observe & Critique Exercise1980-02-25025 February 1980 PNO-IV-80-009:on 800228,State of Co Will Conduct Emergency Response Exercise to Test State & Local Emergency Plans. Members of Interagency Regional Advisory Committee & Region 4 Will Observe & Critique Exercise ML20213C9261979-04-13013 April 1979 Correction to PNO-79-67T.Radiation Activity for Soil & Vegetation Samples on Page 2 Corrected ML20217A3311978-12-0101 December 1978 PNO-78-200:on 781129,plant Encountered Helium Circulator Auxiliary,Buffer-Mid-Buffer Mismatch.Cause by Opening of Low Pressure Separator Safety Relief Valve Which Released Quantity of Reactor Coolant ML20249A7461978-04-26026 April 1978 PNS-78-018:on 780429-0501,according to Media Accounts & Other Info Received by Nrc,Antinuclear Demonstrations May Occur at Fort St Vrain in Colorado.Protestors Intend to Plant Spiderwort Flowers Adjacent to Nuclear Site ML20248J8841978-03-29029 March 1978 PNO-78-067:on 780123,util Authorized to Operate Fort St Vrain Station at Power Levels Up to 70% of Design Rating ML20248L0671978-02-0909 February 1978 PNO-78-026,util Public Svc Co of Co Authorized by NRC to Operate Fort St Vrain Plant Up to Power Level of 2% of Rated Power to Dry Reactor Core & Stabilize Primary System Chemistry ML20249A0821978-01-24024 January 1978 PNO-78-011A:on 780123,NRC Inspectors Verified Total Radioactivity Release to Environs Was Approx 4 Curies, Primarily Consisting of Noble Gases.Plant Remains in Normal Shutdown Condition ML20249A0891978-01-23023 January 1978 PNO-78-011:on 780123,release of Gaseous Radioactive Matl Offsite from Ft St Vrain NPP Near Platteville,Co.Cause of Release Reported to Be Failure of Buffer Seal in Helium Circulation Sys ML20207G4051977-12-12012 December 1977 PNO-77-215:on 771130,St Vrain Facility Shutdown Due to High Moisture in Primary Sys.Evaluations Prior to Shutdown, Indicated Leakage Associated with Loop 1 of Primary Sys. Steam Generator Leak Suspected ML20249A8701977-04-20020 April 1977 PNS-77-018:on 770419,Region IV Insp & Enforcement Inspector Gained Entry Into Reactor Bldg W/O Security Challenge & Contrary to Facility Existing Security Program.Licensee Does Not Plan to Issue Press Release ML20249B4921976-07-0202 July 1976 PNO-76-109:on 760701,Fort St Vrain Facility Was Taken Critical.Facility Had Been in Shutdown Condition Since May 1975 for Corrective Actions for Electrical Cable Routing Deficiencies ML20236V3591975-08-28028 August 1975 PN-75-077:on 750826,intentional Unauthorized Interchange of Electrical Cables Was Identified.Recorder Inputs for Ph/ Conductivity for SG Feedwater Was Found Reversed 1989-08-29 Category:TEXT-INSPECTION & AUDIT & I&E CIRCULARS MONTHYEARIR 05000267/19970011997-04-0707 April 1997
[Table view]Insp Rept 50-267/97-01 on 970310-11.No Violations Noted. Major Areas Inspected:Reviews of Status of Radiation Protection,Environ Monitoring & Radwaste Mgt Programs IR 05000267/19960051996-12-23023 December 1996 Insp Rept 50-267/96-05 on 961203-05.No Violations Noted. Major Areas Inspected:Access Licensees Implementation of Radiation Protection Program & Decommissioning Plan & Included Reviews of Status of Radiation Protection IR 05000267/19940031996-04-0202 April 1996 Revised NOV from Insp Rept 50-267/94-03.Violation Noted: Contractor to Licensee Submitted Inaccurate Radiation Surveys ML20136B3051996-04-0202 April 1996 Revised NOV from Insp Rept 50-267/94-03.Violation Noted: Numerous Required Records of Radiation Surveys Were Created Which Were Not Complete & Accurate ML20137H1731995-08-17017 August 1995 Investigation Rept 4-95-015.Noncompliance Noted.Major Areas Investigated:Alleged Deliberate Failure of Contract Employee to Perform Daily Response Checks on Portable Contamination Monitor ML20137K0551995-05-26026 May 1995 Investigation Rept 4-94-010 on 950526.No Noncompliance Noted.Major Areas Investigated:Allegations Re Falsification of Radiation Survey Records ML20058P5931993-10-12012 October 1993 EN-93-101:on 931012,notice of Proposed Imposition of Civil Penalty in Amount of $80,000 Issued to Licensee.Action Discussed in SECY-93-263 & Approved by Commission on 931007 ML20062H8191990-11-29029 November 1990 Notice of Violation from Insp on 901022-26.Violation Noted: Test of Protected Area Intrusion Detection Zones Defeated by Testing Personnel Jumping Over Zone IR 05000267/19900171990-11-29029 November 1990 Insp Rept 50-267/90-17 on 901001-1109.No Violations or Deviations Noted.Major Areas Inspected:Operational Safety, Monthly Surveillance & Maint Observation IR 05000267/19900181990-11-20020 November 1990 Partially Withheld Insp Rept 50-267/90-18 on 901022-26. Violation Noted.Major Areas Inspected:Physical Security Program,Including Protected & Vital Area Barriers,Detection & Assessment Aidscommunications,Testing,Packages & Maint IR 05000267/19900191990-11-16016 November 1990 Insp Rept 50-267/90-19 on 901015-19.No Violations or Deviations Noted.Areas Inspected:Stated Radiological Controls IR 05000267/19900201990-11-14014 November 1990 Insp Rept 50-267/90-20 on 901029-1102.Noncitable Violation Noted.Major Areas Inspected:Insp of Fire Protection/ Prevention Program ML20058E4951990-10-30030 October 1990 Notice of Violation from Insp on 900928.Violation Noted: Licensee Did Not Perform Radiation & Airborne Surveys Before Allowing Special Svcs Licensed Operator to Enter Hot Svc Facility to Remove Five Unshielded Radioactive Samples IR 05000267/19900141990-10-11011 October 1990 Insp Rept 50-267/90-14 on 900801-0930.No Violations or Deviations Noted IR 05000267/19900111990-08-15015 August 1990 Insp Rept 50-267/90-11 on 900601-0728.No Violations Noted. Major Areas Inspected:Onsite Followup of Ler,Operational Safety Verification,Monthly Maint Observation & Monthly Surveillance Observation IR 05000267/19900131990-08-0303 August 1990 Insp Rept 50-267/90-13 on 900709-13.No Violations or Deviations Noted.Major Areas Inspected:Emergency Preparedness Program Including Emergency Detection & Classification,Knowledge & Performance of Duties IR 05000267/19900101990-07-25025 July 1990 Insp Rept 50-267/90-10 on 900611-15.No Violations or Deviations Noted.Major Areas Inspected:Radioactive Matl Transportation Program,Liquid & Gaseous Radwaste Mgt Programs,Including Radiological Effluent Releases IR 05000267/19890191989-10-0202 October 1989 Insp Rept 50-267/89-19 on 890821-26 & 29-30.No Violations or Deviations Noted.Major Areas Inspected:Region 19 CRD Assembly Recovery Activities,Followup on Region 19 CRD Clevis Bolt Failures & Steam Generator Ring Header Problems ML20248B3051989-09-26026 September 1989 Notice of Violation from Insp on 890716-0831.Violation Noted:Four Reactor Engineers Worked on safety-related Test of Reactor Core Beyond Tech Specs Limit W/O Documented Authorization IR 05000267/19890161989-09-26026 September 1989 Insp Rept 50-267/89-16 on 890716-0831.Violation Noted.Major Areas Inspected:Onsite Followup of Ler,Followup on Violations,Followup of Open Item,Review of Part 21 Repts & Review of Licensee Action of Events PNO-IV-89-055, on 890829,Board of Directors Directed Termination of Nuclear Operations at Facility for 100-day Cooldown Period in Preparation for 30-month Reactor Defueling.Nrc Currently Reviewing Defueling Safety Analysis1989-08-29029 August 1989 PNO-IV-89-055:on 890829,Board of Directors Directed Termination of Nuclear Operations at Facility for 100-day Cooldown Period in Preparation for 30-month Reactor Defueling.Nrc Currently Reviewing Defueling Safety Analysis PNO-IV-89-052C, updates 890818,21 & 23 Unplanned Reactor Shutdowns Due to Inoperable Control Rod.Control Rod Assembly Will Be Removed Using Bldg Crane.Aluminum Shutter Will Be Remotely Placed on Bottom of Canister1989-08-25025 August 1989 PNO-IV-89-052C:updates 890818,21 & 23 Unplanned Reactor Shutdowns Due to Inoperable Control Rod.Control Rod Assembly Will Be Removed Using Bldg Crane.Aluminum Shutter Will Be Remotely Placed on Bottom of Canister PNO-IV-89-052B, on 890823,unplanned Reactor Shutdown Due to Inoperable Control Rod.Licensee Plans to Remove Control Rod Pair W/Bldg Crane in Unshielded Configuration to Shielded, Contained Evolution1989-08-23023 August 1989 PNO-IV-89-052B:on 890823,unplanned Reactor Shutdown Due to Inoperable Control Rod.Licensee Plans to Remove Control Rod Pair W/Bldg Crane in Unshielded Configuration to Shielded, Contained Evolution PNO-IV-89-052A, on 890818,after Attempting to Withdraw & Insert Control Rod Pair from Region 19,control Rod Motor Stopped Drawing Current & Indicated Open Conductor or Thermal Overload.Pair Will Be Withdrawn Using Bldg Crane1989-08-21021 August 1989 PNO-IV-89-052A:on 890818,after Attempting to Withdraw & Insert Control Rod Pair from Region 19,control Rod Motor Stopped Drawing Current & Indicated Open Conductor or Thermal Overload.Pair Will Be Withdrawn Using Bldg Crane ML20246E6011989-08-21021 August 1989 Notice of Violation from Insp on 890710-14.Violation Noted:From 890101-0712,only Three of Seven Shipments of Nonexempt Radioactive Matls Had Current License on File PNO-IV-89-052, on 890817,unplanned Reactor Shutdown Due to Inoperable Control Rod Drive Occurred.Attempts to Clear Cause of Slack Cable Light Failed.Loop 2 Shutdown Due to Upset in Bearing Water Sys Occurred During Plant Shutdown1989-08-18018 August 1989 PNO-IV-89-052:on 890817,unplanned Reactor Shutdown Due to Inoperable Control Rod Drive Occurred.Attempts to Clear Cause of Slack Cable Light Failed.Loop 2 Shutdown Due to Upset in Bearing Water Sys Occurred During Plant Shutdown IR 05000267/19890131989-08-16016 August 1989 Insp Rept 50-267/89-13 on 890626-30.Violation Noted.No Deviations Noted.Major Areas Inspected:Radwaste Sys IR 05000267/19890141989-08-15015 August 1989 Insp Rept 50-267/89-14 on 890710-14.Violation Noted.Major Areas Inspected:Radiation Protection Program ML20245J5721989-08-10010 August 1989 Notice of Violation from Insp on 890717-21.Violation Noted: Procedures Covering Timely Testing of Reactor Protection Sys Startup Channel & Periodic Test & Calibr of Diesel Engine Overspeed Trip for diesel-driven Fire Pump Not Established ML20245J5791989-08-10010 August 1989 Insp Rept 50-267/89-17 on 890717-21.Violations Noted.Major Areas Inspected:Licensee Programs for Instrument Calibr & Functional Testing of Diesel Fuel Oil Quality & Storage & Actions on Previously Identified Insp Findings ML20246A7061989-08-0909 August 1989 Exam Rept 50-267/OL 89-02 During Wk of 890710.Exam Results: Three of Four Limited Senior Reactor Operator Applicants Passed Exam.Answer Key Encl ML20245H3941989-08-0808 August 1989 Notice of Violation from Insp on 890628.Violation Noted:On 890625,util Failed to Verify Positioning of HS-6335 to Tank 1 B,Resulting in Unanalyzed Gaseous Waste Release ML20245H3971989-08-0808 August 1989 Insp Rept 50-267/89-12 on 890601-0715.Violation Noted.Major Areas Inspected:Onsite Followup of Lers,Operational Safety Verification & Monthly Surveillance & Maint Observations ML20248E0101989-08-0303 August 1989 Notice of Violation from Insp on 880522-26.Violations Noted: Inadequate Testing of cross-connect Valves Per Tech Spec SR 5.3.4 & Failure to Test High Flow Alarms Per Tech Spec SR 5.4.5 ML20248E0261989-08-0101 August 1989 Team Insp Rept 50-267/89-08 on 890522-26.Violations Noted. Major Areas Inspected:Maint Activities Re Reactor Water Cooling Sys (Sys 46) ML20247L6141989-07-14014 July 1989 Notice of Violation from Insp on 890623-27.Violation Noted: Failure to Provide Adequate Administrative Control of Plant Changes That Affect safety-related Plant Procedures IR 05000267/19890151989-07-11011 July 1989 Insp Rept 50-267/89-15 on 890623-27.Violation Noted.Major Areas Inspected:Circumstances & Events Associated W/ Operation of Facility Above Authorized Max Power Level of 82% of Full Power PNO-IV-89-044, on 890628,pressure in Waste Gas Receiver a Decreased from 250 Psig & Pressure in Receiver a Decreased from 60 to 50 Psig.Caused by Erroneous Valve Lineup.Plant Stack Monitors Did Not Alarm1989-06-28028 June 1989 PNO-IV-89-044:on 890628,pressure in Waste Gas Receiver a Decreased from 250 Psig & Pressure in Receiver a Decreased from 60 to 50 Psig.Caused by Erroneous Valve Lineup.Plant Stack Monitors Did Not Alarm PNO-IV-89-040, from 890622-23,power Exceeded 82% & Secondary Heat Balance Indication in Control Room Read Approx 79.2%.On 890623,discovered Incorrect Input Into Secondary Heat Balance Calculation.Power Reduced to 65% Pending Evaluation1989-06-23023 June 1989 PNO-IV-89-040:from 890622-23,power Exceeded 82% & Secondary Heat Balance Indication in Control Room Read Approx 79.2%.On 890623,discovered Incorrect Input Into Secondary Heat Balance Calculation.Power Reduced to 65% Pending Evaluation ML20245G4781989-06-22022 June 1989 Exam Rept 50-267/OL-9-01 on 890523-25.Exam Results:Two Senior Reactor Operator & Three Reactor Operator Candidates Passed All Portions of Exams & Issued Appropriate Licenses. One Reactor Operator Failed Written Exam IR 05000267/19890101989-06-15015 June 1989 Insp Rept 50-267/89-10 on 890501-31.No Violations Noted. Major Areas inspected:follow-up of Ler,Licensee Action on Previously Identified Insp Findings,Operational Safety Verification & Monthly Surveillance Observation ML20244C1271989-06-0808 June 1989 Notice of Violation from Insp on 890324-0430.Violations Noted:Two Examples of Failing to Comply W/Tech Spec Requirements & Inadequate Control of Replacement Parts for safety-related Equipment ML20244C1301989-06-0101 June 1989 Insp Rept 50-267/89-07 on 890319-0430.Violations Noted.Major Areas Inspected:Previously Identified Insp Findings, Operational Safety Verification,Monthly Surveillance Observation & Monthly Maint Observation PNO-IV-89-036, on 890529,two Teenagers Shot by off-duty Security Guard Following Confrontation Re Assault.Guard Arrested & Being Held for Murder.Licensee Plans to Issue Press Release.State of Co Will Be Informed.Record Copy1989-05-30030 May 1989 PNO-IV-89-036:on 890529,two Teenagers Shot by off-duty Security Guard Following Confrontation Re Assault.Guard Arrested & Being Held for Murder.Licensee Plans to Issue Press Release.State of Co Will Be Informed.Record Copy PNO-IV-89-031, on 890427,CRD 3 Failed to Insert on Scram During Performance of Weekly Partial Insertion Scram Tests. Troubleshooting Confirmed That CRD Brake Deenergized & That Rod Out Limit Cleared.Licensee Plans to Replace CRDs 3 & 71989-04-28028 April 1989 PNO-IV-89-031:on 890427,CRD 3 Failed to Insert on Scram During Performance of Weekly Partial Insertion Scram Tests. Troubleshooting Confirmed That CRD Brake Deenergized & That Rod Out Limit Cleared.Licensee Plans to Replace CRDs 3 & 7 IR 05000267/19890061989-04-24024 April 1989 Partially Withheld Insp Rept 50-267/89-06 on 890313-17 (Ref 10CFR73.21).Violation Noted.Major Areas Inspected:Physical Security Program,Including Mgt Support & Security Program Plan & Protected & Vital Area Barriers ML20245C8311989-04-14014 April 1989 Notice of Violation from Insp on 890217.Violation Noted: Stairway of Reactor Bldg Utilized by Potentially Contaminated Individuals Prior to Performing Whole Body Frisk & by Individuals Exiting Area After Frisking ML20245C8341989-04-13013 April 1989 Insp Rept 50-267/89-03 on 890201-0318.Violations Noted. Major Areas Inspected:Lers,Reserve Shutdown Matl Removal, Operational Safety Verification,Radiological Controls, Monthly Surveillance Observation & Maint Observation IR 05000267/19890051989-04-12012 April 1989 Insp Rept 50-267/89-05 on 890306-10 & 13-17.No Violations Noted.Major Areas Inspected:Previously Identified Insp Items,Surveillance Procedures & Records,Allegation Followup & Preparations for Refueling IR 05000267/19870351989-04-0707 April 1989 Final SALP Rept 50-267/87-35 for May 1987 - Aug 1988. Category 1 Assigned in Areas of Maint,Fire Protection & Radiological Controls 1997-04-07 |
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A DEEDIATE PRELIMINARf NOTIFICATION I ADril 13.1979 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE -
This preliminary notification constitutes sunnary information of an event of safety or public interest sicnificance.
The information presented is a stagnary of_1_nformation as of 7:C'O a.m. on April 12. 1979.
Facility: Three Mile Island Unit 2 '
Middletown, Pennsylvania (DN50-320)
Subject:
NUCLEAR INCIDENT AT THREE MILE ISLAND l
I i
The radiation activity for soil and vegetation samples on.page 2 of PHO-79-67T, should read:
g ".... ~
c 80 to 260 p_1,co, curies per square meter (gC1/m2)
C ' iodine-131.
? 5 ]' The minimum detectable activity (MDA) is 30 di/m2 The remaining l
I n .
L. , ,a d 28 samples were below MDA. Twelve (12) soil samples were less than. l f the MDA of 600 p,Ci/m2.a
, m y :-
! I c3 0 .
p d'i _Centact:
RCPaulus. IE x27246; DThompson. IE x28487
\
Distribution: Transmitted H St 9 N 4sa.
! Chainnan Hendrie . Com ss oner Bradford S. J. Chilk, SECY l Comissioner Kennedy Connissioner Ahearne C. C. Kammerer, CA
! Comissioner Gilinsky (For Distribution)
Transmitted: MNBB P. Bldg J. G. Davis, IE L. V. Gossick, EDO
! H. R. Denton, NRR Region I __.
l H. L. Ornstein, EDO R. C. DeYoung. NRR Region II l J. J. Fouchard. PA R. J. Mattson, NRR Region III N. M. Haller. MPA V. Stello, NRR Region IV
. R. G. Ryan, OSP R. S. Boyd, NRR Region Y - ^
H. K. Shapar. ELD SS Bldg._ (MAIL.)
W. J. Dircks, NMSS J. J. Cumings, DIA S. Levine, RES R. Minogue.fSD l IE (TMI) Site __ (Provide copy to STATE)
White House Situation Room FDAA (Provide copies to the Administrator and the Operations Center)
' BRP(StateofPA)
-DCPA HEW (Picksr) l Handcarry UAA) IMMEDIATE 1 PRELIMINART NUIIFICATION (VNU-/9-Oll (Ucrrection) 796s/ s e.ws 9,
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