PNO-III-87-118B, AIT on-site Activities Concluded.Team Gathered Necessary Info to Evaluate Significance of Event by Interviewing Operators & Other Plant Personnel,Reviewing Records & by Observing Plant Conditions
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| ML20212E222 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse  |
| Issue date: | 09/11/1987 |
| From: | Defayette R, Guldemond W NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | |
| References | |
| PNO-III-87-118B, NUDOCS 9711030107 | |
| Download: ML20212E222 (1) | |
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Category:PRELIMINARY NOTIFICATION OF EVENT OR OCCURRENCE (PNO
MONTHYEARPNO-III-98-035A, on 980624,reactor Tripped Automatically During Recovery Activities from Tornado Which Damaged Electrical Switchyard & Cut Off Offsite Power Supply1998-06-26026 June 1998
[Table view]PNO-III-98-035A:on 980624,reactor Tripped Automatically During Recovery Activities from Tornado Which Damaged Electrical Switchyard & Cut Off Offsite Power Supply PNO-III-98-035, on 980624,plant Automatically Shut Down After Tornado Damaged Electrical Switchyard & Cut Off Offsite Power Supply.Licensee Declared Alert Under Emergency Plan. Licensee Assessing Extent of Damage1998-06-25025 June 1998 PNO-III-98-035:on 980624,plant Automatically Shut Down After Tornado Damaged Electrical Switchyard & Cut Off Offsite Power Supply.Licensee Declared Alert Under Emergency Plan. Licensee Assessing Extent of Damage PNO-III-93-018, on 930326,licensee Reported That Licensed Senior Reactor Operator Tested Positive for Alcohol During Routine Medical Exam.Individual Not Performing NRC-licensed Duties at Time of Incident,At Site Only for Medical Exam1993-03-26026 March 1993 PNO-III-93-018:on 930326,licensee Reported That Licensed Senior Reactor Operator Tested Positive for Alcohol During Routine Medical Exam.Individual Not Performing NRC-licensed Duties at Time of Incident,At Site Only for Medical Exam PNO-III-88-016, on 880304,licensee Declared Alert After Both Trains of Decay Heat Removal Sys Were Declared Inoperable1988-03-0707 March 1988 PNO-III-88-016:on 880304,licensee Declared Alert After Both Trains of Decay Heat Removal Sys Were Declared Inoperable PNO-III-87-148, low But Detectable Levels of I-131 Measured from Sample of Sewage Sludge Analyzed for Radioactivity,Per Resident 871125 Request.Second Sample Collected & Measured on 871202.No Evidence of Abnormal Releases from Plant1987-12-0303 December 1987 PNO-III-87-148:low But Detectable Levels of I-131 Measured from Sample of Sewage Sludge Analyzed for Radioactivity,Per Resident 871125 Request.Second Sample Collected & Measured on 871202.No Evidence of Abnormal Releases from Plant PNO-III-87-118D, on 870916,Region III Authorized Restart of Plant.Authorization Ltr Also Requested Meeting W/Nrc in Approx 45 Days.Reactor Shut Down Since 870906 Following Automatic Trip & Multiple Equipment Failure1987-09-17017 September 1987 PNO-III-87-118D:on 870916,Region III Authorized Restart of Plant.Authorization Ltr Also Requested Meeting W/Nrc in Approx 45 Days.Reactor Shut Down Since 870906 Following Automatic Trip & Multiple Equipment Failure PNO-III-87-118C, on 870911,augmented Insp Team Completed Review of Circumstances Surrounding 870906 Reactor Trip & Subsequent Equipment Problems.Meeting Scheduled for 870915 to Discuss Issues Re Plant Startup & Results of Review1987-09-14014 September 1987 PNO-III-87-118C:on 870911,augmented Insp Team Completed Review of Circumstances Surrounding 870906 Reactor Trip & Subsequent Equipment Problems.Meeting Scheduled for 870915 to Discuss Issues Re Plant Startup & Results of Review PNO-III-87-118B, AIT on-site Activities Concluded.Team Gathered Necessary Info to Evaluate Significance of Event by Interviewing Operators & Other Plant Personnel,Reviewing Records & by Observing Plant Conditions1987-09-11011 September 1987 PNO-III-87-118B:AIT on-site Activities Concluded.Team Gathered Necessary Info to Evaluate Significance of Event by Interviewing Operators & Other Plant Personnel,Reviewing Records & by Observing Plant Conditions PNO-III-87-118, on 870906,reactor Shut Down.Caused by Reactor Trip Due to Various Equipment Malfunctions.Two Valves Removed for Insp & Events & Malfunctions Under Evaluation. Confirmatory Action Ltr Re Plant Startup Will Be Issued1987-09-0808 September 1987 PNO-III-87-118:on 870906,reactor Shut Down.Caused by Reactor Trip Due to Various Equipment Malfunctions.Two Valves Removed for Insp & Events & Malfunctions Under Evaluation. Confirmatory Action Ltr Re Plant Startup Will Be Issued PNO-III-87-111, on 870821,severe Thunder Storms & Lighting Caused Grid Disturbance & Tripped Main Generator on High Vibration.Expected Automatic Isolation of Steam Supply Did Not Occur.Caused by Faulty Pressure Switch.Switch Repaired1987-08-24024 August 1987 PNO-III-87-111:on 870821,severe Thunder Storms & Lighting Caused Grid Disturbance & Tripped Main Generator on High Vibration.Expected Automatic Isolation of Steam Supply Did Not Occur.Caused by Faulty Pressure Switch.Switch Repaired PNO-III-87-102, on 870731,security Shift Supervisor Accidentally Fired .38 Caliber Bullet Into Filing Cabinet. Procedure Changed to Prohibit Supervisors from Checking, Storing or Cleaning Weapons in Ofcs1987-07-31031 July 1987 PNO-III-87-102:on 870731,security Shift Supervisor Accidentally Fired .38 Caliber Bullet Into Filing Cabinet. Procedure Changed to Prohibit Supervisors from Checking, Storing or Cleaning Weapons in Ofcs PNO-III-87-078A, on 870529,NRC Insp Determined That Shifts Supervisor Observed Dozing on 870524.Licensee Appears to Have Violated NRC Shift & Overtime Policies.Addl Senior Reactor Operators Assigned on Shift to Eliminate Overtime1987-06-0505 June 1987 PNO-III-87-078A:on 870529,NRC Insp Determined That Shifts Supervisor Observed Dozing on 870524.Licensee Appears to Have Violated NRC Shift & Overtime Policies.Addl Senior Reactor Operators Assigned on Shift to Eliminate Overtime PNO-III-87-078, on 870524,security Guard Observed Shift Supervisor to Be Asleep.Licensee Investigation Initiated. Special Insp Team Dispatched to Review Matter1987-05-28028 May 1987 PNO-III-87-078:on 870524,security Guard Observed Shift Supervisor to Be Asleep.Licensee Investigation Initiated. Special Insp Team Dispatched to Review Matter PNO-III-87-067, on 870510,suction Valve to motor-driven Feedwater Pump Closed by Operator While Pump in Operation. Caused by Transition from One Sys to Another.Pump Will Be Examined for Damage.State of Oh Notified1987-05-11011 May 1987 PNO-III-87-067:on 870510,suction Valve to motor-driven Feedwater Pump Closed by Operator While Pump in Operation. Caused by Transition from One Sys to Another.Pump Will Be Examined for Damage.State of Oh Notified PNO-III-87-062, on 870423,two Pressure Switches for Auxiliary Feedwater Pump Turbine Failed.Caused by Foreign Matl on Diaphragms & O-ring Sealing Surfaces.Testing Frequency of Switches Increased.Vendor Plans to Issue Part 21 Notice1987-04-29029 April 1987 PNO-III-87-062:on 870423,two Pressure Switches for Auxiliary Feedwater Pump Turbine Failed.Caused by Foreign Matl on Diaphragms & O-ring Sealing Surfaces.Testing Frequency of Switches Increased.Vendor Plans to Issue Part 21 Notice PNO-III-87-023, on 870218,two Electricians Received Flash Burns from Electrical Arc When Circuit Breaker Came Into Contact W/Nonessential 480-volt Motor Control Ctr.Workers Taken to Hosp for Treatment1987-02-19019 February 1987 PNO-III-87-023:on 870218,two Electricians Received Flash Burns from Electrical Arc When Circuit Breaker Came Into Contact W/Nonessential 480-volt Motor Control Ctr.Workers Taken to Hosp for Treatment PNO-III-87-019, on 870202,main Feedwater Pump 1/booster Feedwater Pump Turbine Removed from Svc After Plant Operator Heard Change in Noise Level.Shaft Coupling Damage Observed. Cause of Damage & Impact on Test Schedule Not Determined1987-02-0404 February 1987 PNO-III-87-019:on 870202,main Feedwater Pump 1/booster Feedwater Pump Turbine Removed from Svc After Plant Operator Heard Change in Noise Level.Shaft Coupling Damage Observed. Cause of Damage & Impact on Test Schedule Not Determined PNO-III-87-004, rept Submitted on 870107 to State of Oh Governor Rf Celeste Re Emergency Planning at Facilities Recommended That Plants Be Limited to 5% Power Until Emergency Planning Deficiencies Corrected1987-01-0707 January 1987 PNO-III-87-004:rept Submitted on 870107 to State of Oh Governor Rf Celeste Re Emergency Planning at Facilities Recommended That Plants Be Limited to 5% Power Until Emergency Planning Deficiencies Corrected PNO-III-87-002, on 870101,unit Tripped from 40% Power Following Trip of Main Feedwater Pump Turbine 1 & on 870103 & 05,main Turbine Control Valve Failed.Caused by Failure of Bearing & Vibration Damage,Respectively1987-01-0606 January 1987 PNO-III-87-002:on 870101,unit Tripped from 40% Power Following Trip of Main Feedwater Pump Turbine 1 & on 870103 & 05,main Turbine Control Valve Failed.Caused by Failure of Bearing & Vibration Damage,Respectively PNO-III-86-156, on 861230,steam Leaks in Two of Four Main Steam Lines Discovered.Caused by Vibration Which Occurs When Plant Operated at Less than 50% Power.Instrument Lines to Be Replaced in All Four Steam Lines W/Plugs1986-12-30030 December 1986 PNO-III-86-156:on 861230,steam Leaks in Two of Four Main Steam Lines Discovered.Caused by Vibration Which Occurs When Plant Operated at Less than 50% Power.Instrument Lines to Be Replaced in All Four Steam Lines W/Plugs PNO-III-86-154, on 861222,reactor Tripped from 15% Power During Testing of Integrated Control Sys.Caused by Decrease in Steam Generator Water Level Due to Feedwater Sys Control Valve Closure.Licensee Investigating Cause of Valve Closure1986-12-23023 December 1986 PNO-III-86-154:on 861222,reactor Tripped from 15% Power During Testing of Integrated Control Sys.Caused by Decrease in Steam Generator Water Level Due to Feedwater Sys Control Valve Closure.Licensee Investigating Cause of Valve Closure PNO-III-86-153, on 861222,reactor Started Up,Terminating Outage Which Began During 850609 Loss of Feedwater Event. Reactor Placed in Mode 1.State of Oh Will Be Informed1986-12-22022 December 1986 PNO-III-86-153:on 861222,reactor Started Up,Terminating Outage Which Began During 850609 Loss of Feedwater Event. Reactor Placed in Mode 1.State of Oh Will Be Informed PNO-III-86-150, on 861218,licensee Entered Mode 4 from Mode 3 to Investigate 861215 Failure of MSIV to Close Per Tech Specs.Leak in Pressurizer Level Sensing Line Isolation Valve Will Be Repaired.Investigation Continuing1986-12-18018 December 1986 PNO-III-86-150:on 861218,licensee Entered Mode 4 from Mode 3 to Investigate 861215 Failure of MSIV to Close Per Tech Specs.Leak in Pressurizer Level Sensing Line Isolation Valve Will Be Repaired.Investigation Continuing PNO-III-86-144A, on 861212,Sixth Circuit Court of Appeals in Cincinnati Denied State of Ohio Request to Stay Commission 861121 Decision Authorizing Restart of Davis-Besse.Licensee Expects Startup of Reactor During Wk of 9712141986-12-12012 December 1986 PNO-III-86-144A:on 861212,Sixth Circuit Court of Appeals in Cincinnati Denied State of Ohio Request to Stay Commission 861121 Decision Authorizing Restart of Davis-Besse.Licensee Expects Startup of Reactor During Wk of 971214 PNO-III-86-144, on 861209,atty General of State of Oh Filed Petition to Stay Commission 861121 Decision to Authorize Facility Restart.State of Oh Seeks to Delay Facility Restart Until Court Has Opportunity to Review State Concerns1986-12-10010 December 1986 PNO-III-86-144:on 861209,atty General of State of Oh Filed Petition to Stay Commission 861121 Decision to Authorize Facility Restart.State of Oh Seeks to Delay Facility Restart Until Court Has Opportunity to Review State Concerns PNO-III-86-122, on 861027,State of Oh Atty General, Aj Celebrezze Will Hold Press Conference Announcing Governor Petitioned NRC to Suspend Plant OL to Allow Task Force Time to Determine Adequacy of Offsite Planning1986-10-27027 October 1986 PNO-III-86-122:on 861027,State of Oh Atty General, Aj Celebrezze Will Hold Press Conference Announcing Governor Petitioned NRC to Suspend Plant OL to Allow Task Force Time to Determine Adequacy of Offsite Planning PNO-III-86-119, on 861020,northwest District of Ohio Assoc of Public School Employees Signed Resolution Opposing Member Participation in Planning or Actual Participation in Evacuation Caused by Nuclear Plant Accident1986-10-24024 October 1986 PNO-III-86-119:on 861020,northwest District of Ohio Assoc of Public School Employees Signed Resolution Opposing Member Participation in Planning or Actual Participation in Evacuation Caused by Nuclear Plant Accident PNO-III-86-051A, on 860602,members of Local 245 of Intl Brotherhood of Electrical Workers Walked Off Job.Caused by Members Rejecting Util Latest Contract Offer.Plant Functions Being Performed by Prof & Mgt Personnel1986-06-0202 June 1986 PNO-III-86-051A:on 860602,members of Local 245 of Intl Brotherhood of Electrical Workers Walked Off Job.Caused by Members Rejecting Util Latest Contract Offer.Plant Functions Being Performed by Prof & Mgt Personnel PNO-III-86-051, on 860601,Local 245 of Intl Brotherhood of Electrical Workers Will Vote on New Contract W/Util.Strike May Begin at Midnight on 860601.Licensee Plans to Implement Contingency Plan1986-05-30030 May 1986 PNO-III-86-051:on 860601,Local 245 of Intl Brotherhood of Electrical Workers Will Vote on New Contract W/Util.Strike May Begin at Midnight on 860601.Licensee Plans to Implement Contingency Plan PNO-III-86-025C, existence of Cracking in Reactor Coolant Pump Shaft Not Yet Confirmed.Ultrasonic Testing & Other Nondestructive Tests,Including Dye Penetrant Testing & Microscopic Exam,Failed to Identify Indications of Cracking1986-05-0202 May 1986 PNO-III-86-025C:existence of Cracking in Reactor Coolant Pump Shaft Not Yet Confirmed.Ultrasonic Testing & Other Nondestructive Tests,Including Dye Penetrant Testing & Microscopic Exam,Failed to Identify Indications of Cracking PNO-III-86-025B, on 860416,discovered That Four Bolts Connecting Shaft & Impeller in Reactor Coolant Pump Flawed. All Four Pump Shafts to Be Replaced W/Modified Shaft Design. Spare Shaft Installed in Pump.State of Oh Notified1986-04-17017 April 1986 PNO-III-86-025B:on 860416,discovered That Four Bolts Connecting Shaft & Impeller in Reactor Coolant Pump Flawed. All Four Pump Shafts to Be Replaced W/Modified Shaft Design. Spare Shaft Installed in Pump.State of Oh Notified PNO-III-86-033, on 860406,contract Security Guard Made Bomb Threat from Onsite Telephone.Guard Admitted Hoax After Questioning by Security Administrator.Site Access of Guard Revoked & Guard Escorted Offsite1986-04-0707 April 1986 PNO-III-86-033:on 860406,contract Security Guard Made Bomb Threat from Onsite Telephone.Guard Admitted Hoax After Questioning by Security Administrator.Site Access of Guard Revoked & Guard Escorted Offsite PNO-III-86-025A, ultrasonic Testing Identified Cracks in Shafts of Two Pumps.Cracks Suspected in Two Other Pump Shafts.Replacement of Four Reactor Coolant Pump Shafts Will Delay Startup Until mid-Oct 19861986-03-19019 March 1986 PNO-III-86-025A:ultrasonic Testing Identified Cracks in Shafts of Two Pumps.Cracks Suspected in Two Other Pump Shafts.Replacement of Four Reactor Coolant Pump Shafts Will Delay Startup Until mid-Oct 1986 PNO-III-85-086, on 850923 & 24,seven of Eight Main Steam Safety Valves Failed to Meet Criteria During Testing at Wylie Labs.Four Valves Leaked After Reseating & Lift Setpoints of Three Lower than Specs.Valves Will Be Reset1985-09-26026 September 1985 PNO-III-85-086:on 850923 & 24,seven of Eight Main Steam Safety Valves Failed to Meet Criteria During Testing at Wylie Labs.Four Valves Leaked After Reseating & Lift Setpoints of Three Lower than Specs.Valves Will Be Reset PNO-III-85-080, on 850906,licensee Inadvertently Overpressurized Steam Generator 1.Caused by Testing of Auxiliary Feedwater Pump & Partially Open Feedwater Discharge Valve.Licensee Course of Action Monitored1985-09-0909 September 1985 PNO-III-85-080:on 850906,licensee Inadvertently Overpressurized Steam Generator 1.Caused by Testing of Auxiliary Feedwater Pump & Partially Open Feedwater Discharge Valve.Licensee Course of Action Monitored PNO-III-85-054B, on 850702,newly Hired Mgt Employee Found Carrying .380 Caliber Handgun in Briefcase.On 850710,util Completed Investigation of Incident,Concluding Individual Did Not Represent Threat.Employee Fired on 8507021985-07-11011 July 1985 PNO-III-85-054B:on 850702,newly Hired Mgt Employee Found Carrying .380 Caliber Handgun in Briefcase.On 850710,util Completed Investigation of Incident,Concluding Individual Did Not Represent Threat.Employee Fired on 850702 PNO-III-85-054A, on 850702,newly Hired Mgt Employee Found Carrying Loaded .38 Calibr Handgun in Briefcase.Individual Suspended.Investigation Continuing1985-07-0303 July 1985 PNO-III-85-054A:on 850702,newly Hired Mgt Employee Found Carrying Loaded .38 Calibr Handgun in Briefcase.Individual Suspended.Investigation Continuing PNO-III-85-054, on 850702,security Personnel Discovered Unloaded Handgun in Briefcase of New Employee.Security Supervisor Interviewed Individual & Determined Person Posed No Threat.Further Interviews Will Occur1985-07-0202 July 1985 PNO-III-85-054:on 850702,security Personnel Discovered Unloaded Handgun in Briefcase of New Employee.Security Supervisor Interviewed Individual & Determined Person Posed No Threat.Further Interviews Will Occur PNO-III-85-053, on 850625,utils Announced Signing of Agreement to Combine Under New Holding Company,Scheduled by End of 1985.Utils Will Retain Local Identity & Considerable Autonomy.Affiliation Will Increase Efficiency & Lower Costs1985-06-26026 June 1985 PNO-III-85-053:on 850625,utils Announced Signing of Agreement to Combine Under New Holding Company,Scheduled by End of 1985.Utils Will Retain Local Identity & Considerable Autonomy.Affiliation Will Increase Efficiency & Lower Costs PNO-III-85-047B, steam Feed Rupture Control Actuated in Low Pressure Mode Due to Initiation of Auxiliary Feedwater Flow Following Trip.Caused by Personnel Error.Effects of Error on Subsequent Plant Behavior Still Under Evaluation1985-06-13013 June 1985 PNO-III-85-047B:steam Feed Rupture Control Actuated in Low Pressure Mode Due to Initiation of Auxiliary Feedwater Flow Following Trip.Caused by Personnel Error.Effects of Error on Subsequent Plant Behavior Still Under Evaluation PNO-III-85-047A, on 850609,loss of Feedwater to Steam Generators Occurred.Confirmatory Action Ltr,Issued by Region III on 850610,placed Freeze on Electrical & Mechanical Work.Licensee Cannot Restart or Exceed 5% Power1985-06-11011 June 1985 PNO-III-85-047A:on 850609,loss of Feedwater to Steam Generators Occurred.Confirmatory Action Ltr,Issued by Region III on 850610,placed Freeze on Electrical & Mechanical Work.Licensee Cannot Restart or Exceed 5% Power PNO-III-85-047, on 850609,unit Tripped at 90% Power Due to Feedwater Pump Problems.Both Auxiliary & Main Feedwater Pumps Tripped,Leaving Steam Generators W/O Feedwater & at Low Water Level.Auxiliary Pumps Manually Restored1985-06-10010 June 1985 PNO-III-85-047:on 850609,unit Tripped at 90% Power Due to Feedwater Pump Problems.Both Auxiliary & Main Feedwater Pumps Tripped,Leaving Steam Generators W/O Feedwater & at Low Water Level.Auxiliary Pumps Manually Restored PNO-III-85-045, on 850602,reactor Trip & Main Feedwater Pump Trip Occurred.Caused by High Turbine Vibration.Cause of Main Feedwater Pump Trip Under Investigation.Plant in Hot Standby Mode1985-06-0303 June 1985 PNO-III-85-045:on 850602,reactor Trip & Main Feedwater Pump Trip Occurred.Caused by High Turbine Vibration.Cause of Main Feedwater Pump Trip Under Investigation.Plant in Hot Standby Mode PNO-III-82-069, startup of Facility Delayed Due to Recent Findings.Base Plate for Hydraulic Snubber on Pressurizer Surge Line Found Pulled Out from Wall & Pin from MSIV Located.Snubber & MSIV Repairs in Progress1982-07-27027 July 1982 PNO-III-82-069:startup of Facility Delayed Due to Recent Findings.Base Plate for Hydraulic Snubber on Pressurizer Surge Line Found Pulled Out from Wall & Pin from MSIV Located.Snubber & MSIV Repairs in Progress PNO-III-02-053, on 820604,check Valves in Three of Four Pressure Injection Lines Were Stuck Closed.On 820602 & 08, Check Valve Test Revealed Three Velan 2-1/2-inch Stop Check Valves Remained Closed When Differential Pressure Applied1982-06-0909 June 1982 PNO-III-02-053:on 820604,check Valves in Three of Four Pressure Injection Lines Were Stuck Closed.On 820602 & 08, Check Valve Test Revealed Three Velan 2-1/2-inch Stop Check Valves Remained Closed When Differential Pressure Applied ML20249A5581978-08-21021 August 1978 PNS-78-040:on 780818,three Bomb Threats Were Received at Units 2/3 Construction Site by Contract Guards (Pinkerton) Employed by Construction Co,Not Licensee.State of Oh Notified ML20248F1281978-06-0606 June 1978 PNO-78-119:on 780605,during Integrated Sfas Test,If Sfas Occurred in Conjunction W/Loss of Offsite Power,Sequencer for DG Would Not Function Properly.Condition Apparently Existed Since Mod Made to Add Memory Interlock on Feb 1977 ML20249A0541978-01-16016 January 1978 PNO-78-007:on 780115,nuclear Instrument & Control Mechanic Received Second Degree Burns Over 25% of Body When Water Spilled on Him.Injury Required Hospitalization ML20207G4001977-12-0101 December 1977 PNO-77-214:on 771129,while Operating at 40% Power,Control Rod Dropped Into Reactor Core.Licensee Initiated Investigation Into Causes of DG Overspeed Trip & Dropped Control Rod ML20151X4631977-08-15015 August 1977 PNO-77-144:on 770812,Region III Was Informed by Inspector at Site That Davis-Besse Unit 1 Plant Went Critical at 1730 Hours.No Significant Problems Noted During Approach to Criticality,Achieved Well within Predicted Limits 1998-06-26 Category:TEXT-INSPECTION & AUDIT & I&E CIRCULARS MONTHYEARIR 05000346/19990171999-10-26026 October 1999
[Table view]Insp Rept 50-346/99-17 on 990928-1001.No Violations Noted. Major Areas Inspected:Implementation of Licensee Protected Area Ingress Search Program,Maint Support for Security Sys, Alarms Stations & Communications & QA IR 05000346/19990101999-10-0808 October 1999 Insp Rept 50-346/99-10 on 990802-0913.One NCV Occurred. Major Areas Inspected:Operations,Maint & Engineering IR 05000346/19990091999-08-20020 August 1999 Insp Rept 50-346/99-09 on 990623-0802.Noncited Violations Noted.Major Areas Inspected:Aspects of Licensee Operations, Maint,Engineering & Plant Support IR 05000346/19990151999-08-0909 August 1999 Insp Rept 50-346/99-15 on 990712-16.No Violations Noted. Major Areas Inspected:Effectiveness of Licensee Program for Mgt of Solid Waste,Transportation of Radioactive Matl & Radwaste & Radiological Environ Monitoring ML20210P7981999-08-0606 August 1999 Notice of Violation from Insp on 980901-990513.Violations Noted:Prior to 980901,licensee Inadvertently Performed Field Change to Pressurizer Spray Valve RC-2,not Approved by Organization That Performed Original Design IR 05000346/19990081999-07-20020 July 1999 Insp Rept 50-346/99-08 on 990513-0628.Three Violations Noted & Being Treated as non-cited Violations.Major Areas Inspected:Aspects of Licensee Operations,Maint,Engineering & Plant Support IR 05000346/19990041999-06-0707 June 1999 Insp Rept 50-346/99-04 on 990323-0513.Two Violations Noted & Being Treated as non-cited Violations.Major Areas Inspected: Aspects of Licensee Operations,Maint,Engineering & Plant Support ML20207G0691999-06-0404 June 1999 Insp Rept 50-346/98-21 on 980901-1201 & 990425-0513. Violations Identified with Pending Licensee Response.Major Areas Inspected:Review of Licensee Maint Activities Associated with Pressurizer Spray Valve RC-2 IR 05000346/19990051999-04-27027 April 1999 Insp Rept 50-346/99-05 on 990405-09.No Violations Noted. Major Areas Inspected:Licensee on-line Maint Risk Assessment Program IR 05000346/19990011999-03-0505 March 1999 Insp Rept 50-346/99-01 on 990102-0212.No Violations Noted. Major Areas Inspected:Operations,Maint,Engineering & Plant Support IR 05000346/19990021999-02-25025 February 1999 Insp Rept 50-346/99-02 on 990202-05.No Violations Noted. Major Areas Inspected:Aspects of Licensee Program for Controlling Operational Chemistry & External & Internal Exposures IR 05000346/19980181999-01-22022 January 1999 Insp Rept 50-346/98-18 on 981110-990102.No Violations Noted. Major Areas Inspected:Operations,Maintenance,Engineering & Plant Support IR 05000346/19980201998-12-17017 December 1998 Insp Rept 50-346/98-20 on 981116-20.No Violations Noted. Major Areas Inspected:Review of Licensee Licensed Operator Requalification Training Program IR 05000346/19980171998-12-0909 December 1998 Insp Rept 50-346/98-17 on 980918-1109.Violations Noted.Major Areas Inspected:Licensee Operations,Maint,Engineering & Plant Support ML20198B5431998-12-0909 December 1998 Notice of Violation from Insp on 980918-1109.Violation Noted:Maint Work Order Which Contained Instructions to Abandon Primary Water Storage Tank Was Not Appropriate to Circumstance IR 05000346/19980191998-11-20020 November 1998 Insp Rept 50-346/98-19 on 981014-23.No Violations Noted. Major Areas Inspected:Operations,Maint & Engineering IR 05000346/19980151998-10-16016 October 1998 Insp Rept 50-346/98-15 on 980914-18.No Violations Noted. Major Areas Inspected:Review of Emergency Preparedness Program IR 05000346/19980141998-10-14014 October 1998 Insp Rept 50-346/98-14 on 980808-0918.No Violations Noted. Major Areas Inspected:Licensee Operations,Maint,Engineering & Plant Support IR 05000346/19980161998-09-30030 September 1998 Insp Rept 50-346/98-16 on 980831-0904.No Violations Noted. Major Areas Inspected:Plant Support ML20153F8201998-09-23023 September 1998 NRC Operator Licensing Exam Rept 50-346/98-301OL (Including Completed & Graded Tests) for Tests Administered on 980803-07 IR 05000346/19980111998-09-0909 September 1998 Revised Pages 15 & 18 to Insp Rept 50-346/98-11,correcting Number Given for Unresolved Item 50-346/95009-02.Number Should Read 50-346/96002-09 ML20151T0071998-09-0303 September 1998 Insp Rept 50-346/98-11 on 980803-14.No Violations Noted. Major Areas Inspected:Effectiveness of Corrective Action Program IR 05000346/19980131998-08-25025 August 1998 Insp Rept 50-346/98-13 on 980623-0807.No Violations Noted. Major Areas Inspected:Licensee Operations,Maint,Engineering & Plant Support IR 05000346/19980121998-08-14014 August 1998 Insp Rept 50-346/98-12 on 980624-29.No Violations Noted. Major Areas Inspected:Review of Licensee Response & Recovery from Damage Caused by 980624 Tornado,Operations & Plant Support IR 05000346/19980091998-07-28028 July 1998 Insp Rept 50-346/98-09 on 980512-0623.Violations Noted. Major Areas Inspected:Operations,Maintenance,Engineering & Plant Support ML20236W2311998-07-28028 July 1998 Notice of Violation from Insp on 980512-0623.Violation Noted:As of 980522,established Measures Inadequate to Ensure That Design Basis of Containment Bldg Emergency Sump Correctly Translated Into Specifications ML20236G9361998-06-30030 June 1998 Notice of Violation from Insp on 980526-0617.Violation Noted:Record Reviews & Interviews Showed That Unescorted Access to Protected Area Granted to Two Security Officers W/O All Required Elements of Employment History ML20236G9431998-06-30030 June 1998 Insp Rept 50-346/98-08 on 980526-0617.Violations Noted.Major Areas Inspected:Licensee Performance Re Physical Security ML20236F2201998-06-27027 June 1998 Insp Rept 50-346/98-10 on 980608-11.Violation Noted. Major Areas Inspected:Solid Radwaste Mgt & Transportation Program,Radiological Effluent Monitoring & Control Program & Maint Program for Station Emergency ML20236F2001998-06-27027 June 1998 Notice of Violation from Insp on 980608-11.Violations Noted: Licensee Failed to Conduct Audits of Process Control Program & Implementation Procedures for Processing & Packaging Radwaste at Least Once Per 24 Months PNO-III-98-035A, on 980624,reactor Tripped Automatically During Recovery Activities from Tornado Which Damaged Electrical Switchyard & Cut Off Offsite Power Supply1998-06-26026 June 1998 PNO-III-98-035A:on 980624,reactor Tripped Automatically During Recovery Activities from Tornado Which Damaged Electrical Switchyard & Cut Off Offsite Power Supply PNO-III-98-035, on 980624,plant Automatically Shut Down After Tornado Damaged Electrical Switchyard & Cut Off Offsite Power Supply.Licensee Declared Alert Under Emergency Plan. Licensee Assessing Extent of Damage1998-06-25025 June 1998 PNO-III-98-035:on 980624,plant Automatically Shut Down After Tornado Damaged Electrical Switchyard & Cut Off Offsite Power Supply.Licensee Declared Alert Under Emergency Plan. Licensee Assessing Extent of Damage ML20249A6061998-06-11011 June 1998 Notice of Violation from Insp on 980401-0512.Violation Noted:Before 980415,Procedures DB-OP-06230 & DB-OP-03011 Were Not Appropriate to Circumstances Due to Not Providing Instructions for Manipulting Valves as Listed IR 05000346/19980051998-06-11011 June 1998 Insp Rept 50-346/98-05 on 980401-0512.Violations Noted.Major Areas Inspected:Operations,Maint & Engineering IR 05000346/19980061998-06-0909 June 1998 Insp Rept 50-346/98-06 on 980422-0507.Violations Noted. Major Areas Inspected:Aspects of Licensee Code Repairs of MSIV & Nondestructive Exam of Control Rod Drive Housing & Main Steam Nozzle & Decay Heat Sys Welds ML20248M3111998-06-0909 June 1998 Notice of Violation from Insp on 980422-0507.Violation Noted:Condition Adverse to Quality Not Promptly Identified & Corrected,In That on 980515,potential Condition Adverse to Quality Rept Not Initiated After Unauthorized Wire Brush IR 05000346/19980071998-05-26026 May 1998 Insp Rept 50-346/98-07 on 980427-30.No Violations Noted. Major Areas Inspected:Alara Planning & Controls for Eleventh Refueling Outage & Review of Radiation Worker Practices & Recent Events Including Resin Breakthrough ML20248B1621998-05-26026 May 1998 Notice of Violation from Insp on 980427-30.Violation Noted: No Surveys Performed by Licensee on 980421 to Identify Potential for High Dose Rates in Anulus Area During Incore Detector Movement,Prior to Allowing Workers to Enter Area IR 05000346/19980041998-04-10010 April 1998 Insp Rept 50-346/98-04 on 980218-0331.No Violations Noted. Major Areas Inspected:Operations,Maint,Engineering & Plant Support ML20216D8811998-03-10010 March 1998 Notice of Violation from Insp on 980107-0218.Violation Noted:On 980106,during Performance of Procedure DB-SP-03357, Rev 01, RCS Water Inventory Balance, Step 4.1.10,RO Erroneously Closed RCP Seal Return Valve MU-38 IR 05000346/19980031998-03-10010 March 1998 Insp Rept 50-346/98-03 on 980223-26.No Violations Noted. Major Areas Inspected:Engineering ML20216D8861998-03-10010 March 1998 Insp Rept 50-346/98-02 on 980108-0218.Violations Noted.Major Areas Inspected:Licensee Operations,Maint,Engineering & Plant Support IR 05000346/19970151998-01-28028 January 1998 Insp Rept 50-346/97-15 on 971110-980107.No Violations Noted. Major Areas Inspected:Operations,Maint,Engineering & Plant Support IR 05000346/19970131997-11-21021 November 1997 Insp Rept 50-346/97-13 on 970929-1110.No Violations Noted. Major Areas Inspected:Licensee Operations,Maint,Engineering & Plant Support IR 05000346/19970141997-11-10010 November 1997 Insp Rept 50-346/97-14 on 971021-23.No Violations Noted. Major Areas Inspected:Maint IR 05000346/19970121997-11-0404 November 1997 Insp Rept 50-346/97-12 on 971006-10.Violations Noted. Major Areas Inspected:Review of Radiation Protection & Chemistry Programs ML20198Q0791997-11-0404 November 1997 Notice of Violation from Insp on 971006-10.Violation Noted:Class 7 Radioactive Matl Package Excepted from Specification Packaging,Marking & Labeling Requirements & Shipping Paper & Certification Were Improperly Transported IR 05000346/19970111997-10-31031 October 1997 Insp Rept 50-346/97-11 on 970818-0929.Violations Noted. Major Areas Inspected:Operations,Maint,Engineering & Plant Support ML20198P0981997-10-31031 October 1997 Notice of Violation from Insp on 970818-0929.Violation Noted:On 970826,NRC Identified That Maint Personnel Did Not Use Four 0-72 Psi Test Gauges w/0.05% Accuracy or Equivalent While Performing DB-MI-03906 IR 05000346/19970101997-10-11011 October 1997 Insp Rept 50-346/97-10 on 970806-07 & 0903-04.No Violations Noted.Major Areas Inspected:Review of Vehicle Barrier Sys 1999-08-09 |
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Advuct 4py PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE--PH0-III-87-118B Date September, 11, 1987 h
This preliminary notification constitutes EARLY notice of events of POSSIBLE safety
.r public interest significance. The information is as initially received without
.erification or evaluation, and is basically all that is known by the Region III staff on this date.
-Facility: Toledo Edison Company Licensee Emergency Classification:
Davis Besse Nuclear Plant Notification of an Unusual Event 5503 N. State Rte #2 ~ Alert Oak Harbor, OH 43449 Site Area Emergency General Emergency Docket No: 50-346 XX Not Applicable
Subject:
REACTOR TRIP DUE TO EQUIFENT MALFUNCTION; AIT DISPATCHED TO PLANT (SECONDUPDATE)
The AIT on-site activities have concluded. The team, by interviewing operators and other plant personnel, by reviewing records, and by observing plant conditions, gathered the necessary information to evaluate the significance of the event.
Preliminary results indicate that:
The plant'did not' exceed ar.y technical specification or design limits during the event.
The existing emergency procedures used are adequate.
The licensee's special management team is conducting a thorough
(,,h and vigorous investigation.
\ l The licensee is taking corrective action on the equipment which malfunctioned 63 ring the event and inspecting similar equipment which did not fail. '
The team has not identified any major programmatic weaknesses which would preclude restart.
The State of Ohio will be notified.
Thisinformationiscurrentasof2:00p.m.(CDT), September 11, 1987. W' CONTACT: R. DeFayette W. Guidemond I FTS 388-5767 FTS 388-5574 h i DISTRIBUTION:
H. St. ED0 NRR E/W Willste Mail: ADM:DMB Chairman Zech PA IE NMSS DOT:Trans only Com. Roberts ELD OIA RES Comm. Berr: thal AEOD NRC Ops Ctr Comm. Carr Comm. .Rogen; ACRS SP Regional Offices SECY CA INPO NSAC r D RlII Resident Office Licensee: (Corp. Office - Reactor Lic. Only) l Region III
't./ Pev. August 1987 ce J40 .
9711030107 870911 ]
PDR 18:E PNO-III-87-118 PDft l
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