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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| 05000250/LER-1993-004-01, :on 930324,notified That an Hourly Fire Watch Patrol Had Not Been Performed in Violation of Ts.Caused by Inadequate Training of Fire Watch Personnel.All Fire Watch Personnel Will Be Retrained Using New Manual | 14 April 1993 | Turkey Point |
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| 05000251/LER-1993-001-03, :on 930222,continuous Fire Watch Not Established within 1 H Per Ts.Caused by Personnel Error. Procedure 0-ADM-016.3 Will Be Revised by 930401 to Reflect Actual Verification of Continuous Fire Watch | 18 March 1993 | Turkey Point |
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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, Regarding Failed Fusible Link on Door 18 | 19 October 2009 | Monticello | Regarding Failed Fusible Link on Door 18 |
| 05000263/LER-2014-005, Regarding Appendix R Fire Door Failed to Latch | 19 May 2014 | Monticello | Regarding 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 |
| 05000315/LER-1991-001, :on 910112,discovered That Fire Hose Station, Use as Backup Compensatory Backup Fire Suppression Capability,Isolated by Red Tag Clearance,Placed on 901230. Fire Hose Rerouted to Transformer Room | 4 February 1991 | Cook |
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| 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-1998-005, :on 980305,identified Two Conditions That Were Outside App R Design Bases.Caused by Design Oversight During Development of Original App R Safe SD Design.Established 30 Minute Roving Fire Watches & Provided Training | 2 April 1998 | Saint Lucie |
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| 05000335/LER-2003-003, Regarding Fire Seals Being Inoperable Due to Inadequate Qualification Testing | 24 November 2003 | Saint Lucie | Regarding Fire Seals Being Inoperable Due to Inadequate Qualification Testing |
| 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, :on 971210,EDG Tachometer Circuit Was Noted Outside 10CFR50 App R Design Basis.Caused by Less than Adequate Development & Review of Mod 84-0183.Established Hourly Fire Watch in Cable Spreading Room | 8 May 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 Impairment Not Issued Immediately for Removal of Lock,Per Tech Spec 3.7.11.Caused by Inadequate Administrative Control.Note Added to Work Authorization Instructions,Procedures Revised | 19 May 1989 | 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 Air Conditioning Discovered Inoperable.Caused by Control Room Envelope.Surveillance Procedure PE-5-004, Control Room Air Conditioning Sys Surveillance, Revised | 16 September 1991 | Waterford |
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| 05000382/LER-2001-005 | |||
| 05000387/FIN-2016003-02 | 30 September 2016 23:59:59 | Susquehanna | Risk Management Actions Not Adequately Implemented |
| ... further results | |||