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Category:REPORTABLE OCCURRENCE REPORT (SEE ALSO AO LER)
MONTHYEARCY-99-047, Ro:On 981217,identified Unsuccessful Dewatering of Cnsi HIC, Model PL8-120R,containing Resins.Caused by Apparent Failure of Dewatering Tree.Other HICs Have Been Procured,Recertified & Returned to Plant for Use1999-03-23023 March 1999
Ro:On 981217,identified Unsuccessful Dewatering of Cnsi HIC, Model PL8-120R,containing Resins.Caused by Apparent Failure of Dewatering Tree.Other HICs Have Been Procured,Recertified & Returned to Plant for Use
CY-98-136, Ro:On 980727,flow Blockage Occurred & Caused Pressure in Sys to Increase,Resulting in Relief Valve Lifting & Pipe Vibration,Which Caused Leaks to Develop.Caused by Nearly Closed post-filter Inlet Valve.Repaired 2 Leaks in Line1998-08-12012 August 1998
Ro:On 980727,flow Blockage Occurred & Caused Pressure in Sys to Increase,Resulting in Relief Valve Lifting & Pipe Vibration,Which Caused Leaks to Develop.Caused by Nearly Closed post-filter Inlet Valve.Repaired 2 Leaks in Line
CY-98-068, Follow-up to Verbal Notification on 980413 of Film on Discharge Canal.Investigation Continuing.Samples Collected for Petroleum Analyses & Biological Characterization at Intake Structure & Discharge Canal.Replaced Sorbent Booms1998-04-15015 April 1998
Follow-up to Verbal Notification on 980413 of Film on Discharge Canal.Investigation Continuing.Samples Collected for Petroleum Analyses & Biological Characterization at Intake Structure & Discharge Canal.Replaced Sorbent Booms
CY-98-045, Ro:On 980212,0219,0225 & 0312,separate Sheens of Approx One Cup of oil-like Substance Was Observed at Discharge Canal. Cause Has Not Been Clearly Identified.Called in Vendor Spill to Install Sorbent Booms to Absorb Sheen.W/One Drawing1998-04-13013 April 1998
Ro:On 980212,0219,0225 & 0312,separate Sheens of Approx One Cup of oil-like Substance Was Observed at Discharge Canal. Cause Has Not Been Clearly Identified.Called in Vendor Spill to Install Sorbent Booms to Absorb Sheen.W/One Drawing
CY-98-046, Follow-up to 980311 Verbal Notification of Film on Discharge Canal.Cause Not Yet Determined.Film Is Contained & Will Be Absorbed by Containment & Sorbent Booms That Were in Place in Discharge Canal1998-03-12012 March 1998
Follow-up to 980311 Verbal Notification of Film on Discharge Canal.Cause Not Yet Determined.Film Is Contained & Will Be Absorbed by Containment & Sorbent Booms That Were in Place in Discharge Canal
CY-97-082, Special Rept:On 970708,routine Surveillance Testing of Seismic Monitoring Sys Instrumentation Revealed,Data Was Not Being Reproduced by Portion of Playback Sys.Station Presently Pursuing Replacement of Seismic Monitoring Sys1997-08-14014 August 1997
Special Rept:On 970708,routine Surveillance Testing of Seismic Monitoring Sys Instrumentation Revealed,Data Was Not Being Reproduced by Portion of Playback Sys.Station Presently Pursuing Replacement of Seismic Monitoring Sys
B16268, Special Rept:On 970205,declared Main Stack-Wide Range Noble Gas Monitor Inoperable.Caused by Inadequate Calibr Methods. Will Revise Calibr Procedure to Technique to Demonstrate Accuracy & Linearity Over Intended Range of Monitor1997-02-19019 February 1997
Special Rept:On 970205,declared Main Stack-Wide Range Noble Gas Monitor Inoperable.Caused by Inadequate Calibr Methods. Will Revise Calibr Procedure to Technique to Demonstrate Accuracy & Linearity Over Intended Range of Monitor
B15833, Ro:On 960904,loss of Reactor Coolant Sys Inventory Occurred. Caused by Leakage Past RH-V-23A.Issued Stop Work Order & Developed Plan to Review All Outage Work Orders Against Shutdown Risk Mgt Program Key Safety Functions1996-09-0505 September 1996
Ro:On 960904,loss of Reactor Coolant Sys Inventory Occurred. Caused by Leakage Past RH-V-23A.Issued Stop Work Order & Developed Plan to Review All Outage Work Orders Against Shutdown Risk Mgt Program Key Safety Functions
ML20058G2431993-12-0202 December 1993
Special Rept:On 931116,routine Surveillance Testing of Wide Range Noble Gas Stack Monitor RMS-14B Completed.Caused by Damaged Calibr Source.New Calibr Source Being Procured & Low Range Channel Detector Will Be Recalibrated to New Source
ML20058Q1101990-08-10010 August 1990
Special Rept:On 900727,accident Monitoring Instrumentation Found Inoperable for Core Exit Thermocouple.Troubleshooting Initiated.Util Working W/Vendor to Procure Fully Qualified Replacement Cable
ML20248A5741989-09-26026 September 1989
Special Rept:On 890917,quarterly Beta Dose Limit of 10 Mrad for Noble Gases Exceeded.Caused by Degasification of Reactor Coolant Coincident W/Higher than Normal Radioactive Gas Concentration.Degasification Process Completed
ML20244A6601989-04-0606 April 1989
Special Rept:On 890309,diesel Fire Pump Declared Inoperable as Result of Failure to Automatically Shut.Caused by Failure of Solenoid Valve Controlling Inlet Flow to Hydraulic Governor Device.Redundant Fire Water Supply Provided
ML20153D4911988-05-0202 May 1988
Ro:On 871219 & 880314,spills of Lubricating Oil Occurred. Caused by Equipment Failure in Travelling Water Screen in Cooling Water Intake Structure & Faulty Fitting on Auxiliary Feed Pump.Screen & Fitting on Pump Repaired
ML20147C5751988-01-12012 January 1988
Ro:On 871219,1 Quart of Lubricating Oil Leaked from Travelling Water Screen in Cooling Water Intake Structure & Entered Connecticut River.Caused by Equipment Failure.Cause of Spill Corrected
ML20141C9551986-03-0101 March 1986
Special Rept:During Fourth Quarter 1985,river Water Sample Determined to Exceed Control Station by Factor of Ten. Caused by Increased Amount of Primary Water Processed.No Corrective Actions Required Due to Insignificant Levels
ML20126F1211975-04-0101 April 1975
RO 50-213/75-1:on 750326,packing Gland Leak Rate Exceeded Tech Specs & Valve Steam Leak Offline Pressurized Enough to Lift Sys Valve,Relieving Pressure to Containment Sump.Caused by Inner Set of Packing Failure on Letdown Isolation Valve
1999-03-23
[Table view]
Category:TEXT-SAFETY REPORT
MONTHYEARML20217K3301999-10-19019 October 1999
Safety Evaluation Supporting Amend 195 to License DPR-61
ML20206C8761999-04-28028 April 1999
Safety Evaluation Supporting Amend 194 to License DPR-61
CY-99-047, Ro:On 981217,identified Unsuccessful Dewatering of Cnsi HIC, Model PL8-120R,containing Resins.Caused by Apparent Failure of Dewatering Tree.Other HICs Have Been Procured,Recertified & Returned to Plant for Use1999-03-23023 March 1999
Ro:On 981217,identified Unsuccessful Dewatering of Cnsi HIC, Model PL8-120R,containing Resins.Caused by Apparent Failure of Dewatering Tree.Other HICs Have Been Procured,Recertified & Returned to Plant for Use
ML20206F1971998-12-31031 December 1998
Annual Rept for 1998 for Cyap. with
CY-99-027, Annual Rept for 10CFR50.59, for Jan-Dec 1998.With1998-12-31031 December 1998
Annual Rept for 10CFR50.59, for Jan-Dec 1998.With
ML20198G9101998-12-22022 December 1998
Proposed Rev 2 of Cyap QAP for Haddam Neck Plant. Marked Up Rev 1 Included
ML20238F2131998-08-28028 August 1998
SER Accepting Defueled Emergency Plan for Emergency Planning for Connecticut Yankee Atomic Power Co
CY-98-136, Ro:On 980727,flow Blockage Occurred & Caused Pressure in Sys to Increase,Resulting in Relief Valve Lifting & Pipe Vibration,Which Caused Leaks to Develop.Caused by Nearly Closed post-filter Inlet Valve.Repaired 2 Leaks in Line1998-08-12012 August 1998
Ro:On 980727,flow Blockage Occurred & Caused Pressure in Sys to Increase,Resulting in Relief Valve Lifting & Pipe Vibration,Which Caused Leaks to Develop.Caused by Nearly Closed post-filter Inlet Valve.Repaired 2 Leaks in Line
ML20237B7461998-07-22022 July 1998
1998 Defueled Emergency Plan Exercise Scenario Manual, Conducted on 980722
ML20202D1621998-06-30030 June 1998
Safety Evaluation Supporting Amend 193 to License DPR-61
CY-98-068, Follow-up to Verbal Notification on 980413 of Film on Discharge Canal.Investigation Continuing.Samples Collected for Petroleum Analyses & Biological Characterization at Intake Structure & Discharge Canal.Replaced Sorbent Booms1998-04-15015 April 1998
Follow-up to Verbal Notification on 980413 of Film on Discharge Canal.Investigation Continuing.Samples Collected for Petroleum Analyses & Biological Characterization at Intake Structure & Discharge Canal.Replaced Sorbent Booms
CY-98-045, Ro:On 980212,0219,0225 & 0312,separate Sheens of Approx One Cup of oil-like Substance Was Observed at Discharge Canal. Cause Has Not Been Clearly Identified.Called in Vendor Spill to Install Sorbent Booms to Absorb Sheen.W/One Drawing1998-04-13013 April 1998
Ro:On 980212,0219,0225 & 0312,separate Sheens of Approx One Cup of oil-like Substance Was Observed at Discharge Canal. Cause Has Not Been Clearly Identified.Called in Vendor Spill to Install Sorbent Booms to Absorb Sheen.W/One Drawing
ML20217F0611998-03-31031 March 1998
Historical Review Team Rept
ML20217A0001998-03-31031 March 1998
Monthly Operating Rept for Mar 1998 for Haddam Neck Plant
ML20217K2101998-03-27027 March 1998
Safety Evaluation Supporting Amend 192 to License DPR-61
CY-98-046, Follow-up to 980311 Verbal Notification of Film on Discharge Canal.Cause Not Yet Determined.Film Is Contained & Will Be Absorbed by Containment & Sorbent Booms That Were in Place in Discharge Canal1998-03-12012 March 1998
Follow-up to 980311 Verbal Notification of Film on Discharge Canal.Cause Not Yet Determined.Film Is Contained & Will Be Absorbed by Containment & Sorbent Booms That Were in Place in Discharge Canal
ML20216D6531998-02-28028 February 1998
Monthly Operating Rept for Feb 1998 for Haddam Neck Plant
ML20217D7381998-02-28028 February 1998
Revised MOR for Feb 1998 Haddam Neck Plant
CY-98-012, Monthly Operating Rept for Jan 1998 for Connecticut Yankee Haddam Neck Plant1998-01-31031 January 1998
Monthly Operating Rept for Jan 1998 for Connecticut Yankee Haddam Neck Plant
CY-98-010, Annual Rept for 10CFR50.59,Jan-Dec,19971997-12-31031 December 1997
Annual Rept for 10CFR50.59,Jan-Dec,1997
ML20198N6681997-12-31031 December 1997
Monthly Operating Rept for Dec 1997 for Haddam Neck Plant
ML20217P4861997-12-31031 December 1997
1997 Annual Financial Rept, for Cyap
ML20199L5891997-12-24024 December 1997
Independent Analysis & Evaluation of AM-241 & Transuranics & Subsequent Dose to Two Male Workers at Connecticut Yankee Atomic Power Plant
ML20203K4271997-11-30030 November 1997
Monthly Operating Rept for Nov 1997 for Haddam Neck Plant
ML20199B1141997-10-31031 October 1997
Monthly Operating Rept for Oct 1997 for Haddam Neck Plant
ML20198M8101997-10-14014 October 1997
SER Accepting Proposed Revs to Util Quality Assurance Program at Facility
ML20198J8811997-09-30030 September 1997
Monthly Operating Rept for Sept 1997 for Haddam Neck Plant
ML20210P8721997-08-31031 August 1997
Post Decommissioning Activities Rept, for Aug 1997
ML20217Q3171997-08-31031 August 1997
Addl Changes to Proposed Rev 1 to QA Program
ML20210U9301997-08-31031 August 1997
Monthly Operating Rept for Aug 1997 for Haddam Neck Plant
CY-97-082, Special Rept:On 970708,routine Surveillance Testing of Seismic Monitoring Sys Instrumentation Revealed,Data Was Not Being Reproduced by Portion of Playback Sys.Station Presently Pursuing Replacement of Seismic Monitoring Sys1997-08-14014 August 1997
Special Rept:On 970708,routine Surveillance Testing of Seismic Monitoring Sys Instrumentation Revealed,Data Was Not Being Reproduced by Portion of Playback Sys.Station Presently Pursuing Replacement of Seismic Monitoring Sys
ML20210L0521997-07-31031 July 1997
Monthly Operating Rept for July 1997 for HNP
ML20149E4451997-06-30030 June 1997
Monthly Operating Rept for June 1997 for Haddam Neck Plant
ML20141A0041997-05-31031 May 1997
Independent Assessment of Radiological Controls Program at Cyap Haddam Neck Plant Final Rept May 1997
ML20140H5241997-05-31031 May 1997
Monthly Operating Rept for May 1997 for Haddam Neck Plant
ML20141K4201997-05-22022 May 1997
Safety Evaluation Supporting Amend 191 to License DPR-61
ML20141D4141997-04-30030 April 1997
Monthly Operating Rept for Apr 1997 for Connecticut Yankee Haddam Neck
ML20138G5901997-04-25025 April 1997
Proposed Rev 1 to Cyap QA Program for Haddam Neck Plant
ML20137W8051997-03-31031 March 1997
Monthly Operating Rept for Mar 1997 for Haddam Neck Plant
ML20137H3031997-03-31031 March 1997
Rev 2 to Nuclear Training Loit/Lout Audit Reviews
ML20137C6281997-03-14014 March 1997
Redacted Version of Rev 1 to Nuclear Training Loit/Lout Audit Reviews
ML20137A0801997-02-28028 February 1997
Monthly Operating Rept for Feb 1997 for Haddam Neck Plant
ML20135C5101997-02-26026 February 1997
1996 Refuel Outage ISI Summary Rept for CT Yankee Atomic Power Co
B16268, Special Rept:On 970205,declared Main Stack-Wide Range Noble Gas Monitor Inoperable.Caused by Inadequate Calibr Methods. Will Revise Calibr Procedure to Technique to Demonstrate Accuracy & Linearity Over Intended Range of Monitor1997-02-19019 February 1997
Special Rept:On 970205,declared Main Stack-Wide Range Noble Gas Monitor Inoperable.Caused by Inadequate Calibr Methods. Will Revise Calibr Procedure to Technique to Demonstrate Accuracy & Linearity Over Intended Range of Monitor
ML20135E3221997-02-13013 February 1997
Independent Review Team Rept 1996 MP -1 Lout NRC Exam Failures
ML20134L2751997-02-0303 February 1997
Draft Rev to GPRI-30, Spent Fuel Storage Facility Licensing Basis/Design Basis
ML20138K5721997-01-31031 January 1997
Monthly Operating Rept for Jan 1997 for Haddam Neck Plant.W/
ML20134L2791997-01-10010 January 1997
Rev 0 to QA Program Grpi
ML20134L2911997-01-0808 January 1997
Rev 0 to UFSAR Rev Grpi
ML20134L2721996-12-31031 December 1996
Commitment Mgt Grpi
1999-04-28
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CONNECTICUT YANKEE ATOMIC POWER COMPANY HADDAM NECK PLANT RR#1
- EAST HAMPTON. CT 06424-9341 l
April 6,1989 Docket No. 50-213 -
U.S. Nuclear Regulatory Commission Attn: Document Contml Desk Washington D.C.,20555 Gentlemen:
Haddam Neck Plant Fire Suppression Water Systems Inonerable Diesel Fire Pumn In accordance with the Special Reporting requirements of Technical Specification 3.22.A.2 Fire Suppression Water Systems; Connecticut Yank.ee Atomic Power Company (CYAPCo)is providing the NRC staff with the following information.
On March 9,1989, the diesel fire pump was declared inoperable as a result of a failure to automatically start. This was noted during the performance of an Operations Department surveillance procedure and subsequent troubleshooting evaluation. The problem was found to be the failure of a solenoid valve conuolling inlet flow to the hydraulic governor device.
This solenoid is required to open on a start signal from the engine controller to allow engine lubrication fluid to flow into the hydraulic governor which then positions the engine fuel rack to a start position.
This report is being submitted pursuant to the requirements of Technical Specification 6.9.2 since the fire pump had been declared inoperable for longer than seven (7) days.
The delay in restoring the fire pump to service was due to the unavailability of original manufacturers parts and the lack of suitable documentation to qualify a replacement. A preliminary engineering review specified a replacement solenoid which was installed, correcting the starting problem. However, the unit remained classified as inopemble while the replacement valve was being verified as meeting the original design functional requirements.
During this period, the electric fire pump remained in service.
Although the diesel fire pump was declared inoperable per the requirements of this Technical Specification, the unit remained on-line in an automatic operating mode following installation of the replacement solenoid. Fire water supply redundancy was provided by the operable electric driven fire pump..
8904180121 890406 PDR S
ADDCK 05000213 Ski i l
PNU 1028-3 R EV.10-87
'. . .p
- o. "
The engineering review of the replacement solenoid has been' completed and the diesel fire pump _was declared operable on April 5,1989.
. The licensee contact for this Special Report is Tom Kazukynas, who may be contacted at
-(203) 267-2556, Ext. 454.
Very Truly Yours,
' Connecticut Yankee Atomic Power Company b
c DM3. Miller, Jr. i NkI' f k
Station Superintendent /'
DBM/ nib cc: W. T. Russell, Region I Administrator .
A. Wang, NRC Project Manager, Haddam Neck T. Shediosky, Senior Resident Inspector, Haddam Neck l
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