PNO-IV-93-036, on 931120,hot Particle Detected Below Knee of Contract Decontamination Technician.Initial Dose Estimates Using Varskin II Methodology Was Approx 55 Rems to Skin
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| ML20058C224 | |
| Person / Time | |
|---|---|
| Site: | Comanche Peak  |
| Issue date: | 11/22/1993 |
| From: | Murray B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| To: | |
| References | |
| PNO-IV-93-036, PNO-IV-93-36, NUDOCS 9312020387 | |
| Download: ML20058C224 (1) | |
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Category:PRELIMINARY NOTIFICATION OF EVENT OR OCCURRENCE (PNO
MONTHYEARPNO-IV-97-066, on 971115,new Fuel Damage Occurred.Licensee Suspended Fuel on-load & Conducting Investigation Into Why Damage Occurred.Licensee Expects Delivery of Replacement Fuel Assembly on 971123.State of Tx Informed1997-11-17017 November 1997
[Table view]PNO-IV-97-066:on 971115,new Fuel Damage Occurred.Licensee Suspended Fuel on-load & Conducting Investigation Into Why Damage Occurred.Licensee Expects Delivery of Replacement Fuel Assembly on 971123.State of Tx Informed PNO-IV-97-067, on 971117,medical Emergency Declared in Unit 1 Electrical Switchgear Room.Licensee Issued Stop Work Order for Electrical Maint While Investigation Conducted.Nrc Resident Insp Staff Will Be Following Licensee1997-11-17017 November 1997 PNO-IV-97-067:on 971117,medical Emergency Declared in Unit 1 Electrical Switchgear Room.Licensee Issued Stop Work Order for Electrical Maint While Investigation Conducted.Nrc Resident Insp Staff Will Be Following Licensee PNO-IV-97-061, on 971027,Unit 1 Experienced Main Generator Lockout,Turbine Trip & Reactor Trip from 100% Power.Afw Manually Started Shortly Following Trip,In Anticipation of Automatic Initiation of AFW Sys.State of Tx Informed1997-10-30030 October 1997 PNO-IV-97-061:on 971027,Unit 1 Experienced Main Generator Lockout,Turbine Trip & Reactor Trip from 100% Power.Afw Manually Started Shortly Following Trip,In Anticipation of Automatic Initiation of AFW Sys.State of Tx Informed PNO-IV-97-003, on 970104,shut Down to Mode 3 to Troubleshoot & Repair FW Isolation Valve Hydraulic Actuator Pump Was Greater than 72 Hr.State of Tx Will Be Informed1997-01-0606 January 1997 PNO-IV-97-003:on 970104,shut Down to Mode 3 to Troubleshoot & Repair FW Isolation Valve Hydraulic Actuator Pump Was Greater than 72 Hr.State of Tx Will Be Informed PNO-IV-93-036, on 931120,hot Particle Detected Below Knee of Contract Decontamination Technician.Initial Dose Estimates Using Varskin II Methodology Was Approx 55 Rems to Skin1993-11-22022 November 1993 PNO-IV-93-036:on 931120,hot Particle Detected Below Knee of Contract Decontamination Technician.Initial Dose Estimates Using Varskin II Methodology Was Approx 55 Rems to Skin ML20059D8391993-10-28028 October 1993 PNO-IV-031A:on 931026,plant Underwent Reactor Coolant Spill Inside Containment,Flooding Up to Approx 23 Feet Above Level Reactor Vessel Flange.Licensee Has Formed Task to Determine Root Causes & Recommend Corrective Actions to Mgt PNO-IV-93-031, on 931027,pneumatic Seal Malfunctioned & Approx 16,000 Gallons of Refueling Water Spilled Into Refueling Cavity.Resident Inspectors Dispatched.State of Tx Notified1993-10-27027 October 1993 PNO-IV-93-031:on 931027,pneumatic Seal Malfunctioned & Approx 16,000 Gallons of Refueling Water Spilled Into Refueling Cavity.Resident Inspectors Dispatched.State of Tx Notified PNO-IV-90-027, on 900730,safety Injection Actuation Occurred as Result of Main Steam Line Press Low Safety Injection Actuation Signal.Caused by Rate Compensation Feature of Actuation Circuitry.Situation Being Reviewed by Licensee1990-07-31031 July 1990 PNO-IV-90-027:on 900730,safety Injection Actuation Occurred as Result of Main Steam Line Press Low Safety Injection Actuation Signal.Caused by Rate Compensation Feature of Actuation Circuitry.Situation Being Reviewed by Licensee PNO-IV-90-026A, updates Preliminary Notification Re Inadvertent Safety Injection on 900726.Initiation of All Danger Tag Clearances Suspended Until Licensee Task Team Determines Cause of Event1990-07-27027 July 1990 PNO-IV-90-026A:updates Preliminary Notification Re Inadvertent Safety Injection on 900726.Initiation of All Danger Tag Clearances Suspended Until Licensee Task Team Determines Cause of Event PNO-IV-90-026, on 900726,inadvertent Safety Injection Occurred Due to Main Steam Line Pressure Low Safety Injection Actuation Signal.Unit in Hot Standby & Licensee Restoring from Injection.State of Tx Informed1990-07-26026 July 1990 PNO-IV-90-026:on 900726,inadvertent Safety Injection Occurred Due to Main Steam Line Pressure Low Safety Injection Actuation Signal.Unit in Hot Standby & Licensee Restoring from Injection.State of Tx Informed ML20212A4991990-05-11011 May 1990 PNO-ADSP-90-013:on 900509,reactor Trip on Low SG Level. Initial Reactor Power Was 48%.Transient Was Initiated by Loss of Speed Control on Both Main Feedwater Pumps ML20212A5051990-04-25025 April 1990 PNO-ADSP-90-012:on 900424,TU Electric Synchronized Main Generator to Grid.Licensee Continuing Power Ascension Test Program ML20212A5071990-02-0909 February 1990 PNO-ADSP-90-003:on 900208,NRC Issued low-power License for Operation of Plant,Unit 1 ML20246C8351989-08-22022 August 1989 PNO-ADSP-89-006A:on 890818,util Informed NRC That Potential Tampering W/Spare Auxiliary Feedwater Pump Motor Not Evident.Foreign Matl Reported as Found in Pump Bearing Oil Sump Was Actually in Water Jacket for Pump ML20245G5361989-08-11011 August 1989 PNO-ADSP-89-006:on 890810,resident Inspector Informed of Apparent Tampering W/Spare Auxiliary Feedwater Pump Motor. Nine Inch Piece of Wire & Metal Shavings Discovered in Inboard Pump Bearing Oil Sump ML20245A0851989-06-15015 June 1989 PNO-ADSP-89-005:Investigation of Preoperational Testing Events on 890423-0505 Completed.Events Caused by Valve Misalignment & Inoperability of Borg-Warner Swing Check Valves.Rev of Reassembly Procedures Proposed ML20247F9451989-05-17017 May 1989 PNO-ADSP-89-003:on 890516,high Winds,Rain,Hail & Scattered Tornadoes Experienced in Central & Eastern Texas.Site Personnel Evacuated from Temporary Const Bldgs to Seismic Category 1 Bldgs ML20151J9501988-07-27027 July 1988 PNO-OSP-88-013:on 880827,HVAC Employee Electrocuted When Ductwork Fell,Cutting 120-volt Lighting Cable & Pinning Employee in Cable Tray When Cable Grounded Against Tray. Employee Pronounced Dead Upon Arrival ML20234D2301987-09-15015 September 1987 PNO-OSP-87-011:on 870915,severe Thunderstorm W/High Winds Caused Mobile Crane to Overturn Injuring Approx 10 People. Wind Destroyed Front Doors of Operation Administration Bldg & Windows in Five Cars.Accident Area Secured PNO-IV-85-057, on 851108,large Number of Wires in Automatic Turbine Test Control Panel Discovered Cut.Nature of Damage Suggests Act of Vandalism.Investigation Initiated1985-11-0808 November 1985 PNO-IV-85-057:on 851108,large Number of Wires in Automatic Turbine Test Control Panel Discovered Cut.Nature of Damage Suggests Act of Vandalism.Investigation Initiated ML20249A0191978-11-27027 November 1978 PNS-78-057:on 781126,RIV Notified of Explosion in Common Auxiliary Bldg in Brown & Root Qc/Craft Field Office. Explosion Caused by Explosive Device & Destroyed File Cabinent But No Structural Damage to Bldg ML20249A2171978-11-0303 November 1978 PNS-78-053:on 781103 Onsite Operator Received Telephone Call from Unidentified Male Stating Bomb Planted Inside Unit 1 Containment Bldg.Area Evacuated & Search Conducted.No Bomb Found.Police & Local FBI Notified ML20249A5551978-06-23023 June 1978 PNS-78-029:on 780622,licensee Received Bomb Threat in Ltr Sent from Glen Rose,Tx to Project Manager,Indicating That Four Bombs on Plant Site.No Bombs Found ML20151U3841977-02-28028 February 1977 PNO-77-034:on 770225,Texas Utilities Generating Co Informed Region IV Office of Incident Involving Falsification of Concrete Air Entrainment Test Records for Comanche Peak Project by RW Hunt Testing Labs Employee ML20249B5361976-05-18018 May 1976 PNO- 76-090:on 760517,failure of Portable Crane Boom Resulted in Death of Two Construction Employees.Crane Was Being Used for Movement of Personnel Bucket & Became Unbalanced & Failure of Boom Occurred 1997-11-17 Category:TEXT-INSPECTION & AUDIT & I&E CIRCULARS MONTHYEARIR 05000445/19990151999-10-20020 October 1999
[Table view]Insp Repts 50-445/99-15 & 50-446/99-15 on 990822-1002. Non-cited Violations.Major Areas Inspected:Operations, Maintenance,Engineering & Plant Support IR 05000445/19990141999-09-14014 September 1999 Insp Repts 50-445/99-14 & 50-446/99-14 on 990707-0821.Four Violations Occurred & Being Treated as Ncvs.Major Areas Inspected:Operations,Maint,Engineering & Plant Support IR 05000445/19990131999-08-18018 August 1999 Insp Repts 50-445/99-13 & 50-446/99-13 on 990720-23.No Violations Noted.Major Areas Inspected:Licensee Performance & Capabilities During full-scale,biennial Exercise of Emergency Plan & Implementing Procedures IR 05000445/19990101999-08-12012 August 1999 Insp Repts 50-445/99-10 & 50-446/99-10 on 990510-0628. Violations Noted & Being Treated as Ncvs.Major Areas Inspected:Engineering & Plant Support IR 05000445/19990121999-07-29029 July 1999 Insp Repts 50-445/99-12 & 50-446/99-12 on 990530-0710.No Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant Support IR 05000445/19993011999-07-16016 July 1999 Exam Repts 50-445/99-301 & 50-446/99-301 on 990618-24.Exam Results:Six Applicants for Senior Operator Licenses Passed Exams IR 05000445/19990111999-06-22022 June 1999 Insp Repts 50-445/99-11 & 50-446/99-11 on 990418-0529.No Violations Noted.Major Areas Inspected:Operations, Maintenance,Engineering & Plant Support IR 05000445/19990081999-06-0909 June 1999 Insp Repts 50-445/99-08 & 50-446/99-08 on 990503-11.Noncited Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant Support IR 05000445/19990091999-05-12012 May 1999 Insp Repts 50-445/99-09 & 50-446/99-09 on 990419-23.No Violations Noted.Major Areas Inspected:Reviewed Implementation of Liquid & Gaseous Radioactive Waste Effluent Mgt Program IR 05000445/19990071999-05-11011 May 1999 Insp Repts 50-445/99-07 & 50-446/99-07 on 990307-0417.No Violations Noted.Major Areas Inspected:Aspects of Licensee Operations,Maint,Engineering & Plant Support IR 05000445/19990061999-04-30030 April 1999 Insp Repts 50-445/99-06 & 50-446/99-06 on 990329-0402.No Violations Noted.Major Areas Inspected:Planning & Preparation,External Exposure Controls & Quality Assurance of Radiation Protection Activities IR 05000445/19990031999-04-0707 April 1999 Insp Repts 50-445/99-03 & 50-446/99-03 on 990124-0306.No Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant Support IR 05000445/19990051999-03-19019 March 1999 Insp Repts 50-445/99-05 & 50-446/99-05 on 990222-26.One Violation Noted.Major Areas Inspected:Implementation of Solid Radwaste Mgt & Radioactive Matls Transportation Programs IR 05000445/19990011999-03-0909 March 1999 Insp Repts 50-445/99-01 & 50-446/99-01 on 990208-12.No Violations Noted.Major Areas Inspected:Licensed Operator Requalification Program IR 05000445/19990021999-01-10010 January 1999 Insp Repts 50-445/99-02 & 50-446/99-02 on 990119-22.No Violations Noted.Major Areas Inspected:Operational Status of Licensee Emergency Preparedness Program IR 05000445/19980081998-12-30030 December 1998 Insp Repts 50-445/98-08 & 50-446/98-08 on 981025-1205.No Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant Support Re Licensee Emergency Response Organization IR 05000445/19980151998-11-19019 November 1998 Insp Repts 50-445/98-15 & 50-446/98-15 on 981102-06.No Violations Noted.Major Areas Inspected:Radiation Program Activities,Including External & Internal Exposure Controls & Controls of Radioactive Matl & Contamination IR 05000445/19980071998-11-19019 November 1998 Insp Repts 50-445/98-07 & 50-446/98-07 on 980913-1024.No Violations Noted.Major Areas Inspected:Aspects of Licensee Operations,Engineering,Maint & Plant Support IR 05000445/19980161998-10-29029 October 1998 Insp Repts 50-445/98-16 & 50-446/98-16 on 981019-23.No Violations Noted.Major Areas Inspected:Testing & Maint, Protected Area Barrier & Detection Aids,Vital Area Barriers & Detection Aids & Security Sys Power Supply IR 05000445/19980141998-10-21021 October 1998 Insp Repts 50-445/98-14 & 50-446/98-14 Has Been Canceled.No Insp Rept Will Be Issued IR 05000445/19980061998-09-30030 September 1998 Insp Repts 50-445/98-06 & 50-446/98-06 on 980802-0912.No Violations Noted.Major Areas Inspected:Aspects of Licensee Operations,Engineering,Maint & Plant Support IR 05000445/19980121998-09-16016 September 1998 Insp Repts 50-445/98-12 & 50-446/98-12 Cancelled IR 05000445/19980051998-08-20020 August 1998 Insp Repts 50-445/98-05 & 50-446/98-05 on 980621-0801.No Violations Noted.Major Areas Inspected:Licensee Operations, Engineering,Maint & Plant Support IR 05000445/19980041998-07-16016 July 1998 Insp Repts 50-445/98-04 & 50-446/98-04 on 980510-0620.No Violations Noted.Major Areas Inspected:Operations, Engineering,Maintenance & Plant Support IR 05000445/19983011998-07-10010 July 1998 Insp Repts 50-445/98-301 & 50-446/98-301 on 980619-26.No Violations Noted.Major Areas Inspected:Operations.All 9 License Applicants Passed Exam ML20236G9321998-07-0202 July 1998 Notice of Violation from Insp on 980329-0509.Violation Noted:Four Examples Were Identified,Where Licensee Failed to Meet Requirement for Design of ECCS Switchover from Refueling Water Storage Tank to Containment Recirculation IR 05000445/19980031998-07-0202 July 1998 Insp Repts 50-445/98-03 & 50-446/98-03 on 980329-0509. Violations Noted.Major Areas Inspected:Operation,Maint, Engineering & Plant Support IR 05000445/19980131998-06-26026 June 1998 Insp Repts 50-445/98-13 & 50-446/98-13 on 980615-19.No Violations Noted.Major Areas Inspected:Licensee Physical Security Program IR 05000445/19980021998-04-24024 April 1998 Insp Repts 50-445/98-02 & 50-446/98-02 on 980215-0328. Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant Support ML20217F6051998-04-24024 April 1998 Notice of Violation from Insp on 980215-0328.Violations Noted:Corrective Actions Were Not Sufficient to Identify That Excessive Leakage in ECC Sys Check Valves During Unit 1 Cycle 6 Required Unit 1 Safety Injection Pumps Be Started ML20216H3501998-04-16016 April 1998 Insp Repts 50-445/98-11 & 50-446/98-11 on 980323-27.No Violations Noted.Major Areas Inspected:Physical Security Program IR 05000445/19980011998-03-19019 March 1998 Insp Repts 50-445/98-01 & 50-446/98-02 on 980104-0214. Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant Support ML20248L8831998-03-19019 March 1998 Notice of Violation from Insp on 980104-0214.Violation Noted:Licensee Failed to Document Heat Related Degredation of Unit 2,Train B Solid State Safeguards Sequencer IR 05000445/19970211998-02-11011 February 1998 Errata to Insp Repts 50-445/97-21 & 50-446/97-21,correcting Errors in Insp follow-up Sys Number Associated W/Items Described in Rept IR 05000445/19970231998-01-30030 January 1998 Insp Repts 50-445/97-23 & 50-446/97-23 on 971123-980103.No Violations Noted.Major Areas Inspected:Operations, Engineering,Maintenance & Plant Support IR 07100012/20110221998-01-16016 January 1998 Notice of Violation from Insp on 971012-1122.Violation Noted:Procedure IPO-005B,rev 2,not Appropriate to Circumstances in That Procedure Did Not Require Pressure Be Maintained Below Rc System Pressure & Temp Limits ML20198S1891998-01-16016 January 1998 Insp Repts 50-445/97-20 & 50-446/97-20 on 971012-1122. Violations Noted.Major Areas Inspected:Operations, Maintenance,Engineering & Plant Support ML20198R6571998-01-16016 January 1998 Notice of Violation from Insp on 970922-25.Violation Noted: on 961029,licensee Made Changes to Emergency Plan,W/O Commission Approval,That Decreased Effectiveness of Plan & Did Not Continue to Meet Planning Standard 50.47(b)(2) ML20198N2071998-01-14014 January 1998 Notice of Violation from Insp on 970608-0719 & Subsequent Inoffice Reviews Concluded on 971114.Violation Noted: Procedures OPT-102A & 102B Did Not Include Appropriate Quantitative Acceptance Criteria ML20199H0131997-11-21021 November 1997 Notice of Violation from Insp on 970831-1011.Violation Noted:Thermometer IC1473,was Used During Performance of Procedure PPT-SX-7505A on 970807 ML20199H0241997-11-21021 November 1997 Insp Repts 50-445/97-18 & 50-446/97-18 on 970831-1011. Violations Noted.Major Areas Inspected:Operations,Maint & Engineering PNO-IV-97-067, on 971117,medical Emergency Declared in Unit 1 Electrical Switchgear Room.Licensee Issued Stop Work Order for Electrical Maint While Investigation Conducted.Nrc Resident Insp Staff Will Be Following Licensee1997-11-17017 November 1997 PNO-IV-97-067:on 971117,medical Emergency Declared in Unit 1 Electrical Switchgear Room.Licensee Issued Stop Work Order for Electrical Maint While Investigation Conducted.Nrc Resident Insp Staff Will Be Following Licensee PNO-IV-97-066, on 971115,new Fuel Damage Occurred.Licensee Suspended Fuel on-load & Conducting Investigation Into Why Damage Occurred.Licensee Expects Delivery of Replacement Fuel Assembly on 971123.State of Tx Informed1997-11-17017 November 1997 PNO-IV-97-066:on 971115,new Fuel Damage Occurred.Licensee Suspended Fuel on-load & Conducting Investigation Into Why Damage Occurred.Licensee Expects Delivery of Replacement Fuel Assembly on 971123.State of Tx Informed IR 05000445/19970221997-11-17017 November 1997 Insp Repts 50-445/97-22 & 50-446/97-22 on 971103-07.No Violations Noted.Major Areas Inspected:Maint ML20199E6481997-11-13013 November 1997 Insp Repts 50-445/97-21 & 50-446/97-21 on 971027-31.No Violations Noted.Major Areas Inspected:Licensee Physical Security Program Including Records & Repts,Test & Maint and Access control-vehicle PNO-IV-97-061, on 971027,Unit 1 Experienced Main Generator Lockout,Turbine Trip & Reactor Trip from 100% Power.Afw Manually Started Shortly Following Trip,In Anticipation of Automatic Initiation of AFW Sys.State of Tx Informed1997-10-30030 October 1997 PNO-IV-97-061:on 971027,Unit 1 Experienced Main Generator Lockout,Turbine Trip & Reactor Trip from 100% Power.Afw Manually Started Shortly Following Trip,In Anticipation of Automatic Initiation of AFW Sys.State of Tx Informed IR 05000445/19970191997-10-10010 October 1997 Insp Repts 50-445/97-19 & 50-446/97-19 on 970922-25. Violations Noted.Major Areas Inspected:Rev 25 to Comanche Peak Steam Electric Emergency Plan ML20211A1051997-09-19019 September 1997 Insp Repts 50-445/97-17 & 50-446/97-17 on 970720-0830. Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant Support ML20211A0691997-09-19019 September 1997 Notice of Violation from Insp on 970720-0830.Violation Noted:On 970507,while Performing Procedure OPT-457B,licensed Operator Failed to Close Valve 2-8812A Per Step 8.8 ML20198G1821997-09-12012 September 1997 Notice of Violation from Investigation on 970606.Violation Noted:Mn Shook Submitted Falsified Info to NRC Re Being Denied Access to Nuclear Power Plant as Result of fitness-for-duty Policy 1999-09-14 |