ML20058A862
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| ML20058A862 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 11/18/1993 |
| From: | Fenech R TENNESSEE VALLEY AUTHORITY |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| 93-22, NUDOCS 9312010269 | |
| Download: ML20058A862 (4) | |
Similar Documents at Sequoyah | |
|---|---|
Category:REPORTABLE OCCURRENCE REPORT (SEE ALSO AO LER)
MONTHYEARML20141C4881997-06-18018 June 1997
[Table view]Some use of "" in your query was not closed by a matching "".Special Rept 97-03:on 970529 Fire Barriers Were Impaired to Provide Backup Fire Protection Capabilities IAW TS Before Removing Sys from Svc.Sys Impaired to Implement Mods for Upgrade of HPFP Sys.Fire Watch Established ML20138F8571997-04-28028 April 1997 Special Rept 97-01:on 970322,Unit 1 Reactor Bldg Biological Shield Blocks Removed & Containment Vessel Equipment Hatch Opened to Facilitate Movement of Equipment,Matl & Personnel Between Bldgs.Roving Firewatch Established ML20134L6991996-11-15015 November 1996 Special Rept 96-04:on 961012,lower Airlock Located on Elevation 690 in Auxiliary Bldg Breached.Caused by Movement of Personnel & Equipment Between Buildings.Established Roving Firewatch Until Barrier Reestablished on 961021 ML20112E5051996-05-22022 May 1996 Special Report 96-03:on 960420,biological Shield Doors Removed & Equipment Hatch Opened.Caused by Need to Facilitate Movement of Equipment,Material & Personnel.Roving Fire Watch Established ML20106J8561996-04-0808 April 1996 Special Rept 96-02 on 960305,fire Detector in Fan Room on Elevation 714 of Auxiliary Bldg Nonfunctional for Period Greater than Allowed by TS Due to moisture-induced Oxidation on Contacts.Fire Watch Established ML20100N3091996-02-29029 February 1996 Special Rept:On 960131,auxiliary Bldg Pipe Sleeve,Mark 1860 on Elevation 669 Breached.Roving Fire Watch Established After Fire Detectors on One Side of Penetration Verified Operable ML20096C5281996-01-0909 January 1996 Special Rept 95-10:on 951127,alarm Function for Fire Detection Zone 277 Bypassed,Rendering Fire Detectors Inoperable.Fire Watch Patrol Was Established within One Hour of Fire Zone Becoming Inoperable ML20094L7351995-11-13013 November 1995 Special Rept 95-09:on 951006,auxiliary Bldg Mechanical Sleeve Was Breached Beyond 7-day LCO Due to Tubing Inside Penetration Was Crossed & Sealant Was Removed from Sleeve. Unacceptable Seal Matl Was Removed ML20094D4131995-10-26026 October 1995 Special Rept:On 951006,notified NRC of SG Tube Insps That Fall Into Category C-3 Due to Detection of Circumferential crack-like Indications During ISI at TSP Intersections Associated W/Dents ML20093G2951995-10-11011 October 1995 Special Rept:On 950606,determined That Waste Gas Analyzer & Monitors H Concentrations Being Operated Incorrectly.Range 3 Successfully Calibrated by Comparing Analyzer Readout to Grab Sample Results ML20093B1561995-10-0303 October 1995 Special Rept 95-08: on 950909,Unit 1 Reactor Bldg Biological Shield Blocks Located on Auxiliary Bldg Removed & Equipment Hatch Opened.Roving Fire Watch Immediately Established & Fire Detectors on One Side of Breach Verified Operable ML20092H0431995-09-14014 September 1995 Special Rept 95-06:on 950810,auxiliary Bldg Sleeve Mark 1855 & 1856 Penetrating Floor Elevation Breached.Fire Barriers Will Be Reestablished After Completion of Mod Activities ML20092H0381995-09-14014 September 1995 Special Rept 95-04:on 970707,noncompliance w/10CFR50,App R, Section II.G.2 Requirements Documented on Problem Evaluation Rept.Affected Rooms Being Covered by Hourly,Roving Fire Watch Patrol ML20086T0771995-07-27027 July 1995 Special Rept:On 950621,auxiliary Bldg Pipe Sleeve,Mark 210 on Floor Elevation 669 Was Breached.Roving Fire Watch Was Established.Repair Work Rescheduled for Completion in Aug 1995 ML20086T5681995-07-26026 July 1995 Special Rept 95-04:on 950707,separation of Cables & Equipment & Associated Nonsafety Circuits of Redundant Trains by Fire Barrier Having 3-h Rating Occurred.Affected Rooms Being Covered by Roving Fire Watch Patrol ML20083M2881995-05-0909 May 1995 Special Rept 95-03:on 950404,auxiliary Bldg Pipe Sleeve Located on Floor Elevation 690 Breached to Support Routing of Drain Hose.Roving Fire Watch Established & After Fire Detectors on One Side of Penetration Verified Operable ML20082D3581995-03-24024 March 1995 Special Rept:On 950305,fire Detector Near RCP Declared Inoperable.Cause Unknown.Unit 1 Lower Containment Air Temp Being Monitored Frequently Until Detector Restored to Operable Status ML20080H6091995-02-17017 February 1995 Special Rept 95-01:on 950119,fire Barrier Intentionally Removed from Svc to Support Planned Work Activities Associated W/Replacement Batteries in 24/48 Volt Battery Room ML20080C1301994-12-0202 December 1994 Special Rept 94-13:on 941109,three Control Bldg Cable Tray Penetrations Breached & Will Be Breached in Excess of TS Allowable Timeframe to Support Mod Activities Associated W/ Cable Installation to Secondary Alarm Station ML20073F5291994-09-23023 September 1994 Special Rept:On 940923,provides Several Fire Barrier Penetrations That Have Been Intentionally Removed from Service to Support Unit 2 Cycle 6 Refueling Outage Activities ML20073B8411994-09-15015 September 1994 Special Rept 94-11,providing Details Re Fire Barrier Wall & Fire Barrier Penetration Intentionally Rendered Nonfunctional as Fire Barriers to Support Snp Unit 2 Cycle 6 Refueling Outage Activities.Roving Fire Patrol Established ML20072R1871994-08-29029 August 1994 Special Rept:On 940802 Provides Details Re Electrical Penetrations That Are Considered to Be Nonfunctional as Fire Barriers ML20072G1181994-08-17017 August 1994 Special Rept 94-09:on 940711,discovered That Fire Barrier Door A-182 Damaged & Nonfunctional as Fire Barrier.Caused by Broken Tack Welds.Cause of Broken Tack Welds Cannot Be Determined.New Door Ordered ML20071Q6851994-08-0101 August 1994 Special Rept:On 940707,several Fire Barrier Penetrations & Fire Barrier Doors Intentionally Removed from Service to Support Unit 2 Outage Discovered Inoperable for Period Greater than TS Limits ML20071L7351994-07-27027 July 1994 Special Rept 94-07:on 940621,fire Detection Instrument in Zone 116 for Auxiliary Bldg Cask Loading Area Inoperable for Period Greater than Allowable TS Timeframe. Hourly Fire Watch Patrol Established ML20070F8341994-07-14014 July 1994 Special Rept 94-06:on 940531,photoelectric Detection Instrumentation in Lower Compartment Cooler Areas Inoperable.Caused by Trouble Alarms on Pyrotronics Sys.Air Temp Is Being Monitored Every Hour ML20149E2551994-05-23023 May 1994 Special Rept 94-05:on 940407,Unit 2 Fire Detectors Declared Inoperable,On 940416,fire Protection Sprinkler Sys in ABGTS Filter Housing Area Declared Inoperable & on 940415,fire Protection Hose Station in ERCW Bldg Taken Out of Svc ML20065Q6021994-04-22022 April 1994 Special Rept 94-04:on 940314,fire Detection Instruments in Fire Zone 116 for Auxiliary Bldg Cask Loading Area Inoperable for Period Greater than Allowable TS Timeframe. Hourly Fire Patrol Established to Inspect Loading Area ML20064N2101994-03-22022 March 1994 Special Rept 94-03:on 940216,fire Barrier Wall Between Unit 1 & 2 Board Rooms on Elevation of Auxiliary Bldg Breached & LCO 3.7.12 Entered.Patrol Will Be Maintained Until Mod Completed & Wall Reestablished as Functional Fire Barrier ML20063L6411994-02-25025 February 1994 Special Rept 94-02 Re Six Fire Barriers Nonfunctional for Period of Time Greater than TS Allowable Timeframe in Support of Mod Activities.Fire Detectors Verified Operable & Roving Fire Watch Established ML20063K8531994-02-14014 February 1994 Special Rept 94-01:on 931230,two Thermal Fire Detectors in Fire Zone 277 Removed from Svc.Detectors Removed to Facilitate Removal & Repair of ERCW Pump M-B.Roving Fire Watch Established.Detectors Returned to Svc on 940123 ML20063A3941994-01-18018 January 1994 Special Rept 93-24:on 931218,penetrations 1602,1731,60A & 860 Intentionally Breached to Facilitate Installation of Design Mod.Fire Detectors on One Side of Penetrations Verified Operable & Roving Fire Watches Established ML20063A6381994-01-13013 January 1994 Rev 1 to Special Rept 93-16:on 921228,930821 & 28 DG 2A-A Failures Occurred Due to Lack of Adequate Internal Wiring, Actuators Restoring Spring Compression Relaxing & Less than Desired Testing.Supports for Internal Wiring Installed ML20062M0991993-12-27027 December 1993 Special Rept 93-23:on 930712,failure to Functionally Test Fire Protection Instrument Panel,Associated Fire Detectors & to Comply W/Ts Action Statements.Directive Issued Requiring Periodic Test Coordinator ML20058A8621993-11-18018 November 1993 Special Rept 93-22:on 931026,Fire Door A-156A Breached to Permit Temporary Electrical Cables to Be Routed from Existing Card Reader to Reactor Access Room.Fire Door A-156A Expected to Be Returned to Functional Status in Dec 1993 ML20059A9681993-10-20020 October 1993 Special Rept 93-21:on 930924,fire Barrier Door A-36 Intentionally Breached.Fire Door Barrier Will Be Breached in Excess of TS Allowable Timeframe & Is Expected to Be Returned to Functional Status in Dec 1993 ML20057F3421993-10-0808 October 1993 Special Rept 93-20:on 930927,LCO 3.7.11.1 Entered When Portion of Auxiliary Bldg Fire Header Isolated & Fire Pumps 2A & 2B Removed from Svc in Order to Perform Surveillance Test on Fire Pumps 1A & 1B.Test Completed & LCO Exited ML20057E9021993-10-0808 October 1993 Special Rept 93-17:on 930903,LCO 3.7.12 Entered for Fire Barrier Being Nonfunctional for Period Greater than Allowed by Ts.Fire Detectors on One Side of Nonfunctional Fire Barrier Verified Operable ML20057E9261993-10-0707 October 1993 Special Rept:On 930924,LCOs 3.7.11.1,3.7.11.2 & 3.7.11.4 Entered When Portion of Fire Header in Auxiliary Bldg Removed from Svc in Order to Perform Maint.Fire Suppression Water Sys Returned to Svc on 930925 & LCOs Exited ML20057D6101993-09-28028 September 1993 Special Rept 93-18:on 930916,LCOs 3.7.11.1,3.7.11.2 & 3.7.11.4 Entered When Fire Header in Auxiliary Bldg Removed from Svc as Result of Maint Activities for Repair & Replacement of Leaking Lines.Repairs Completed on 930919 ML20057B5361993-09-0202 September 1993 Special Rept 93-15:on 930902,declared Isolation Valve in One of Four Main HPFP Water Suppression Flow Paths Inoperable Upon Valve Failure of Annual Surveillance Operability Test. WR Written to Inspect,Repair or Replace Valve ML20056H2331993-09-0101 September 1993 Special Rept 93-08:on 930820,LCO 3.7.11.1 Was Entered Due to Inoperable Valve.Work Request Initiated to Inspect & Correct Valve Problem.Valve Cycled & Returned to Operable Status ML20056D6461993-08-12012 August 1993 Special Rept 93-14,fire Barriers Nonfunctional for Period That Exceeded Allowable TS Timeframe,After Being Intentionally Breached.Fire Detectors on One Side of Breaches Verifed Operable & Roving Fire Watches Established ML20127B6261993-01-0707 January 1993 Special Rept 92-11:on 921202,two Penetration Fire Barriers Breached for More than 7 Days.Caused by Discovery of Defective Fire Retardant Sealant.Roving Fire Watch Established & New Fire Retardant Sealant Installed ML20126E6631992-12-22022 December 1992 Special Rept 92-10:on 921110,thermal Detection Instrumentation in Reactor Coolant Pump Area Declared Inoperable When Trouble Alarms Received.Cause Unknown.Lower Containment Compartment Air Temp Monitored Once Per H ML20116J9101992-11-10010 November 1992 Special Rept 92-09:on 920927,photoelectric Detection Instrumentation in Unit 1 Lower Compartment Cooler Areas Declared Inoperable.Cause Undetermined.Detector Bases Cleaned & Replaced ML20115A4151992-10-0909 October 1992 Special Rept 92-08:on 920908,discovered That Ceilings in Rooms C10 & C11 on Elevation 732 Were Breached for More than 7 Days.Caused by Need to Facilitate Remodeling Mod of Area. Roving Fire Watches Established ML20127D8571992-09-0909 September 1992 Special Rept 92-07:on 920901,auxiliary Bldg Fire Door A-41 Breached to Provide Unimpeded Access to Auxiliary Bldg Room A21.Fire Detectors in Room Verified Operable & Roving Fire Watch Established ML20101M4001992-07-0101 July 1992 Rev 3 to Special Rept 91-15:on 910801,recalculated Generic Beta Radiation Doses Yielded Higher free-field Beta Radiation Doses for Equipment than Original Calculation. Schedule for Completing Revs Will Be Provided by 921101 ML20101H2341992-06-25025 June 1992 Special Rept 92-06 Re Auxiliary Bldg Fire Doors A-196 & A-197 Being Breached on 920520.Doors Breached for Period Greater than TS Allowable Time Period.Fire Detectors on Each Side of Breaches Verified Operable & Fire Watch Established 1997-06-18 Category:TEXT-SAFETY REPORT Some use of "" in your query was not closed by a matching "". [Table view]Some use of "" in your query was not closed by a matching "". |
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