Fire impairment
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A fire impairment describes when a part of a fire protection system is not working. Such as when the fire detector or sprinkler system is broken.
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| Start date | Site | Title | |
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| 05000254/FIN-2009002-01 | 31 March 2009 23:59:59 | Quad Cities | Broken latch on Fire Door 145 |
| 05000254/FIN-2014002-02 | 31 March 2014 23:59:59 | Quad Cities | Licensee-Identified Violation |
| 05000259/FIN-2011004-01 | 30 September 2011 23:59:59 | Browns Ferry | Failure to Control Transient Combustible Materials in the Unit 1 Reactor Building |
| 05000263/LER-2009-005 | Docket Number | ||
| 05000263/LER-2014-005 | 20 March 2014 | Monticello | Appendix R Fire Door Failed to Latch |
| 05000272/LER-1985-009-01, :on 850913,fire Watch Left Post While Automatic Actuation Feature for Diesel Low Pressure Fire Suppression Sys Defeated for Diesel Maint.Caused by Poor Coordination Between Maint & Operations Shift Supervisors | 11 October 1985 | Salem |
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| 05000272/LER-1986-011-01, :on 860627,continuous Fire Watch Not Maintained for Inoperable Fire Door,Contrary to Tech Specs.Caused by Personnel Error.Hourly Fire Watch Posted & Info Directive AP-25 Will Be Issued | 25 July 1986 | Salem |
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| 05000275/FIN-2015004-01 | 31 December 2015 23:59:59 | Diablo Canyon | Failure to Properly Evaluate for Aggregate Impact of Fire Impairments |
| 05000277/LER-1993-002, :on 930105,discovered That Continuous Firewatch Not in Place,In Violation of TS 3.14.D.2.Caused by Personnel Error.Procedure Used to Control & Track Impairements Will Be Revised | 28 January 1993 | Peach Bottom |
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| 05000285/LER-1990-027, :on 901207,determined That Adequate Compensatory Fire Watch Insp of Door 971-1 in Room 23 Not Conducted & 3 Addl Doors Had step-off Pads Outside Doors. Remedial Training Conducted | 7 January 1991 | Fort Calhoun |
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| 05000285/LER-1992-021, :on 920611,failure to Initiate Fire Watch for Inoperable Fire Door Noted.Caused by Ambiguous Instructions Contained in Note.Procedure Revised & Personnel Informed of Requirements for Maintaining Fire Door | 13 July 1992 | Fort Calhoun |
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| 05000296/FIN-2016013-02 | 31 March 2016 23:59:59 | Browns Ferry | Records of Fire Watch Patrol Not Complete or Accurate |
| 05000298/FIN-2013005-06 | 31 December 2013 23:59:59 | Cooper | Licensee-Identified Violation |
| 05000306/FIN-2011005-02 | 31 December 2011 23:59:59 | Prairie Island | Appendix R Fire Barrier Degraded Between Fire Areas 118 and 128 |
| 05000313/FIN-2010006-01 | 30 September 2010 23:59:59 | Arkansas Nuclear | Fire Protection Compensatory Measures Did Not Cover All Fire Protection Features |
| 05000327/FIN-2015008-01 | 31 December 2013 23:59:59 | Sequoyah | Problem Implementing Fire Protection Program Requirements |
| 05000327/LER-1993-006, :on 930318,determined That Two Containment Isolation Valves in Fire Protection Sys Not Verified to Isolate Upon Receipt of Phase a Containment Signal.Caused by Use of Inadequate Procedure.Si Corrected | 19 April 1993 | Sequoyah |
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| 05000327/LER-1997-010-01, :on 970626,failure to Properly Return Portion of Fire Protection Sys to Svc Following Mod Activities Was Noted.Caused by Failure to Follow Procedures.Manual Isolation Valve Was Opened | 31 July 1997 | Sequoyah |
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| 05000335/LER-2003-003 | |||
| 05000346/FIN-2014004-01 | 30 September 2014 23:59:59 | Davis Besse | Failure to Properly Perform Required Fire Watch |
| 05000346/FIN-2015001-01 | 31 March 2015 23:59:59 | Davis Besse | Licensee-Identified Violation |
| 05000346/FIN-2016002-05 | 30 June 2016 23:59:59 | Davis Besse | Licensee-Identified Violation |
| 05000346/LER-1997-015-01, :on 971212,discovered That EDG Tachometer Circuit Was Outside of 10CFR50 App R Design Basis.Caused by Inadequate Development & Review of Mod 84-0183.Hourly Fire Watch Established & Mod to EDG Tachometer Made | 12 January 1998 | Davis Besse |
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| 05000361/LER-1990-001, :on 900220,TS Violation Involving Missed Fire Watch Occurred.Caused by Procedural Inadequacy.Fire Protection Procedures Revised | 17 January 1994 | San Onofre |
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| 05000361/LER-1991-004-01, :on 910227,fire Watches Not Established within One Hour Contrary to Tech Spec.Caused by Work Process Associated W/Establishment of Fire Watches.Event Discussed W/Eso & Operations Personnel | 29 March 1991 | San Onofre |
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| 05000373/LER-1992-012-07, :on 921102,required TS Fire Watch of 690-ft Elevation of Offgas Bldg Not Performed.Caused by Miscommunication Between Individuals Performing Fire Watch During Turnover.Fire Watch Performed | 17 November 1992 | LaSalle |
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| 05000373/LER-1993-009, :on 930302,discovered Three Open Corebore Penetrations in Floor of 3 H Fire Rated Assembly.Cause of Event Unknown.Hourly Fire Watch Established & Work Request Written to Have Corebores Filled W/Grout | 31 March 1993 | LaSalle |
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| 05000374/LER-1995-002-04, :on 950203,TS Hourly Firewatch Was Missed Due to Personnel Error.Individual Involved Has Been Counseled Re Actions | 3 March 1995 | LaSalle |
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| 05000374/LER-1995-004-02, :on 950228,determined That on Three Separate Occasions Between 950220-24 That Hourly Fire Watches Not Performed.Caused by Mgt Deficiency.Immediate Investigation Conducted | 24 March 1995 | LaSalle |
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| 05000374/LER-1995-010-04, :on 951007,Unit Two Fire Door 615 Was Left Open Due to Personnel Error.Reviewed Fire Impairment Log & Was Determined No Active Fire Impairment for Fire Door 615 | 6 November 1995 | LaSalle |
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| 05000374/LER-1996-001-01, :on 960117,discovered During TS Hourly Fire Watch Surveillance of Div I,Ii & III CSC Pump Rooms,Div I Room Not Observed.Caused by Personnel Error.Fire Watch Surveillance for Div I Room Established | 16 February 1996 | LaSalle |
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| 05000374/LER-1996-004-08, :on 960731,TS Fire Watch Was Missed Due to Incomplete Fire Impairment Permit.Caused by Human Error in Preparation of OOS for Inverter.Informed OOS & Fire Impairment Preparers of Event | 30 August 1996 | LaSalle |
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| 05000382/FIN-2009006-02 | 30 June 2009 23:59:59 | Waterford | Failure to provide area wide sprinkler coverage as required in an Appendix R, Section III.G.2.c fire area |
| 05000382/FIN-2015007-01 | 30 June 2015 23:59:59 | Waterford | Inadequate Fire Area Boundary |
| 05000382/FIN-2015007-02 | 30 June 2015 23:59:59 | Waterford | Failure to Provide a Bounding Calculation for Time Critical Actions |
| 05000382/LER-1986-007, :on 860406,fire Watch Tour for Fire Impairment 85-232 Not Satisfactorily Performed.Caused by Misnumbered Pages in Fire Watch Log.Responsibilities for Handling Logs Posted | 5 May 1986 | Waterford |
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| 05000382/LER-1987-019, :on 870724,during Review of Firewatch Logs, Personnel Discovered That Hourly Firewatch Not Performed on 870711 on 35 Ft Elevation of Reactor Auxiliary Bldg.Caused by Poor Communication.Procedures Changed | 24 August 1987 | Waterford |
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| 05000382/LER-1987-027, :on 871125,discovered Fire Impairment When Installed Drain Pipe Not Capped at Either End.Caused by Inadequate Design Change Controls During Plant Const.Pipe Removed & New Procedures Implemented | 21 December 1987 | Waterford |
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| 05000382/LER-1988-006, :on 880405,fire Barrier Impaired.Caused by Inadequate Administrative Control.Firewatch Established Until Door Repaired & New Std Work Authorization Issued for Work on Doors | 6 May 1988 | Waterford |
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| 05000382/LER-1988-011, :on 880525,fire Seal for Penetration VIA0179 Discovered Impaired.Caused by Initial Design & Const Error. Mod Initiated to Correct Seal | 24 June 1988 | Waterford |
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| 05000382/LER-1988-025, :on 881010,several Discrepancies Associated W/ Fire Rated Assemblies Discovered That Were Not Included in Surveillance Procedure ME-3-009, Fire Walls,Floors, Ceilings. Caused by Procedural Inadequacy | 9 November 1988 | Waterford |
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| 05000382/LER-1988-030, :Since 881110,number of Discrepancies Have Been Identified in fire-rated Assemblies at Plant.Cause of Events Appears to Be Inadequate Fire Seal Installation & Insp Program During Initial Plant Const | 30 May 1989 | Waterford |
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| 05000382/LER-1990-001, :on 900223,discovered Controlled Ventilation Area Sys Airlock Doors D-170 & D-171 Open.Caused by Inadequate Administrative Controls.Procedural Instructions Will Be Developed | 23 March 1990 | Waterford |
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| 05000382/LER-1990-019, :on 901212,both Trains of Control Room Heating Ventilation & Air Conditioning Sys Inoperable Due to Breach in Control Room Envelope.Caused by Air Flow Past Retaining Angle.Leakage Paths Repaired | 28 February 1991 | Waterford |
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| 05000382/LER-1997-020, Forwards Results of Util Assessment Re Potential Common Mode Failure of safety-related Static Uninterruptible Power Supply Units,Initially Reported in LER 97-020-00 | 3 July 1997 | Waterford | Forwards Results of Util Assessment Re Potential Common Mode Failure of safety-related Static Uninterruptible Power Supply Units,Initially Reported in LER 97-020-00 |
| 05000382/LER-2001-005 | |||
| 05000387/FIN-2016003-02 | 30 September 2016 23:59:59 | Susquehanna | Risk Management Actions Not Adequately Implemented |
| 05000389/LER-2004-001 | 4 March 2004 | Docket Num E | |
| 05000390/FIN-2016003-03 | 30 September 2016 23:59:59 | Watts Bar | Licensee-Identified Violation |
| 05000413/LER-1985-049-01, :on 850807,inadvertent Isolation of Both Discharge Headers of Fire Protection (Ry) Pumps Occurred. Caused by Personnel Error.Correct Ry Header Isolated. Procedure 2-18 Revised | 6 September 1985 | Catawba |
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