/03L-0 on 781103:surveillance Test N1-ISP-RE02 Revealed Rx Lo-Lo Water Level Switch W/Trip Setpoint of +2 Inches Water.Caused by Instru Drift.Setpoint Reset| ML20062D284 |
| Person / Time |
|---|
| Site: |
Nine Mile Point  |
|---|
| Issue date: |
11/14/1978 |
|---|
| From: |
Macvittie D
NIAGARA MOHAWK POWER CORP. |
|---|
| To: |
|
|---|
| Shared Package |
|---|
| ML17053A238 |
List: |
|---|
| References |
|---|
| LER-78-039-03L, LER-78-39-3L, NUDOCS 7811210292 |
| Download: ML20062D284 (1) |
|
|
|---|
Category:LICENSEE EVENT REPORT (SEE ALSO AO RO)
MONTHYEARML20236T5911998-07-20020 July 1998
LER 98-S01-00:on 980618,security Force Member Left Nine Mile Point,Unit 2 Vehicle Gate Unattended Without Ensuring,Gate Alarm Had Been Reactivated.Caused by Inadequate Work Practice.Vehicle Gate Alarm Was Activated
05000410/LER-1987-045, Corrected LER 87-045-00:on 870729,two Separate ESF Actuations Occurred.Caused by Lack of Administrative Controls & Personnel Error.Surveillance Procedures Revised to Prohibit Concurrent Performance1987-08-28028 August 1987
Corrected LER 87-045-00:on 870729,two Separate ESF Actuations Occurred.Caused by Lack of Administrative Controls & Personnel Error.Surveillance Procedures Revised to Prohibit Concurrent Performance
05000220/LER-1985-008, Corrected LER 85-008-00:on 850610,review by Operations Dept Discovered That Temporary Jumper/Block Log 2036 Not Reviewed by General Superintendent within 14-day Time Limit,Per Tech Spec 6.8.3.C1985-07-10010 July 1985
Corrected LER 85-008-00:on 850610,review by Operations Dept Discovered That Temporary Jumper/Block Log 2036 Not Reviewed by General Superintendent within 14-day Time Limit,Per Tech Spec 6.8.3.C
05000220/LER-1983-025, Corrected LER 83-025/04L-0:while Reviewing Environ Radiation Fish Analysis Sample Data,Determined That Lower Limit of Detection Sensitivity Not Met for Several Radionuclides During Analysis of May Fish Samples1983-09-0909 September 1983
Corrected LER 83-025/04L-0:while Reviewing Environ Radiation Fish Analysis Sample Data,Determined That Lower Limit of Detection Sensitivity Not Met for Several Radionuclides During Analysis of May Fish Samples
05000220/LER-1981-0251982-04-15015 April 1982
LER 81-025 Has Been Canceled
ML20062D2841978-11-14014 November 1978
/03L-0 on 781103:surveillance Test N1-ISP-RE02 Revealed Rx Lo-Lo Water Level Switch W/Trip Setpoint of +2 Inches Water.Caused by Instru Drift.Setpoint Reset
ML20062D2821978-11-14014 November 1978
/03L-0 on 781027:test Revealed Trip Setpoint of 26.5 Inches Water on One Vacuum Switch in Vacuum Relief Sys from Pressure Supression Chamber to Rx Bldg.Caused by Instru Drift in a Mercoid Model CP4122 Vacuum Switch
ML20062C5511978-11-0202 November 1978
/04T-0 on 781025:improper Appl of Brook Model 9456 Oval Gear Flowmeter Combined W/Failed Seal on Caustic Addition Pump Caused High Concentration of Sodium & Sulfate & Degraded Capability to Control Rate of Discharge
ML20062A0871978-09-29029 September 1978
/03L-0 on 780916:Surveillance Tests on Barton Model 289 Pressure Indicating Switches Showed Changes in Setpoints Due to Instru Drift.Rev Surveillance Test Scheds Now Adequate to Ensure Early Detection of Drifts
ML20084B2701977-05-0101 May 1977
LERs 77-019 & 020:on 770427,two Containment Oxygen Sampling Sys Check Valves Leaked in Excess of Single Valve Criteria. Cause Not Stated.O Rings Replaced & Valves Retested
1998-07-20
[Table view]
Category:TEXT-SAFETY REPORT
MONTHYEARML20217G2161999-10-15015 October 1999
Errata Pages 2 & 3 for Safety Evaluation Supporting Amend 168 Issued to FOL DPR-63 Issued on 990921.New Pages Change Description of Flow Control Trip Ref Cards to Be Consistent with Application for Amend
ML20217K4631999-09-30030 September 1999
Monthly Operating Rept for Sept 1999 for Nine Mile Point, Unit 1.With
ML20216J9251999-09-30030 September 1999
Suppl to Special Rept:On 990621,11 Containment Hydrogen Monitoring Sys Chart Recorder Was Indicating Below Normal Operating Range.Caused by Excessive Wear on Valve Body & Discs of Bypass Pump.Sample Pump Replaced
ML20212F7301999-09-21021 September 1999
Special Rept:On 990907,CR Operators Declared 12 Containment Hydrogen Monitoring Sys Inoperable for Planned Maint.Cause of Low Flow Condition Was Determined to Be Foreign Matl. Replaced Sample Pump Valve Discs
ML20212B9081999-09-14014 September 1999
Special Rept:On 990901, 12 Containment Hydrogen Monitoring Sys Was Declared Inoperable for Planned Maint.Caused by Planned Maint Being Performed as Corrective Action.Check Valves with O Rings Were Replaced
ML20212C4601999-08-31031 August 1999
Monthly Operating Rept for Aug 1999 for Nine Mile Point Nuclear Station,Unit 1.With
ML20216F5141999-08-31031 August 1999
Rept on Status of Public Petitions Under 10CFR2.206
ML20210U4591999-07-31031 July 1999
Monthly Operating Rept for July 1999 for Nine Mile Point, Unit 1.With
ML20209D0291999-07-0202 July 1999
Special Rept:On 990621,operator Identified That Number 11 Hydrogen Monitoring Sys (Hms) Chart Recorder Was Indicating Below Normal Operating Range.Cause Indeterminate.Licensee Will Complete Troubleshooting of Subject Hms by 990709
ML20210B9081999-06-30030 June 1999
Monthly Operating Rept for June 1999 for Nine Mile Point Unit 1.With
ML20209F8811999-06-0808 June 1999
Rev 1 to NMP Unit 1 COLR for Cycle 14
ML20207G2261999-06-0707 June 1999
SER Accepting Proposed Mod to Each of Four Core Shroud Stabilizers for Implementation During Current 1999 Refueling Outage at Plant,Unit 1
ML20196E2111999-05-31031 May 1999
Monthly Operating Rept for May 1999 for Nmp,Unit 1.With
ML20207B0241999-05-18018 May 1999
Safety Evaluation of Topical Rept TR-107285, BWR Vessel & Intervals Project,Bwr Top Guide Insp & Flaw Evaluation Guidelines (BWRVIP-26), Dtd December 1996.Rept Acceptable
ML20206U5351999-05-17017 May 1999
SER Accepting GL 95-07, Pressure Locking & Thermal Binding of Safety-Related Power-Operated Gate Valves, for Plant, Units 1 & 2
ML20196L2301999-04-30030 April 1999
Monthly Operating Rept for Apr 1999 for Nmp,Unit 1.With
ML20205L0541999-04-0101 April 1999
Nonproprietary Replacement Pages to HI-91738,consisting of Section 5.0, Thermal-Hydraulic Analysis
ML20205S5701999-03-31031 March 1999
Monthly Operating Rept for Mar 1999 for NMP Unit 1.With
ML20207M9231999-03-12012 March 1999
Amended Part 21 Rept Re Cooper-Bessemer Ksv EDG Power Piston Failure.Total of 198 or More Pistons Have Been Measured at Seven Different Sites.All Potentially Defective Pistons Have Been Removed from Svc Based on Encl Results
ML20207G2671999-03-0101 March 1999
Special Rept:On 990315,Nine Mile Point,Unit 1 Declared Number 12 Containment Hydrogen Monitoring Sys Inoperable. Caused by Degraded Encapsulated Reed Switch within Flow Switch FS-201.2-1495.Technicians Replaced Flow Switch
ML20204C9971999-02-28028 February 1999
Monthly Operating Rept for Feb 1999 for Nine Mile Point,Unit 1.With
ML20207E9311999-02-26026 February 1999
Part 21 Rept Re Sprague Model TE1302 Aluminum Electrolytic Capacitors with Date Code of 9322H.Caused by Aluminum Electrolytic Capacitors.Affected Capacitors Replaced
ML17059C5501999-01-31031 January 1999
Rev 0 to MPR-1966(NP), NMP Unit 1 Core Shroud Vertical Weld Repair Design Rept.
ML20199M0891999-01-22022 January 1999
Part 21 Rept Re Failure of Square Root Converters.Caused by Failed Aluminum Electrolytic Capacitory Spargue Electric Co (Model Number TE1302 with Mfg Date Code 9322H).Sent Square Root Converters Back to Mfg,Barker Microfarads,Inc
ML20199K9331998-12-31031 December 1998
Monthly Operating Rept for Dec 1998 for Nine Mile Point Nuclear Station,Unit 1.With
ML20210R8441998-12-31031 December 1998
1998 Annual Rept for Energy East
ML20206P2391998-12-31031 December 1998
Special Rept:On 981222,operators Removed non-TS Channel 12 Drywell Pressure Recorder & Associated TS Pressure Indicator from Svc.Caused by Intermittent Measuring Cable Connection in non-TS Recorder Circuitry.Replaced Cable
ML20206P2421998-12-30030 December 1998
Special Rept:On 981219,number 12 Hydrogen Monitoring Sys (Hms) Was Declared Inoperable When Operators Closed Valve 201.2-601.Caused by Indeterminate Failure of Valve 201.2-71. Supplemental Rept Will Be Submitted After Valve Is Repaired
ML20198M3571998-12-23023 December 1998
Special Rept:On 981210,operators Declared Number 11 Inoperable,Due to Failure of CR Chart Recorder.Caused by Inverter Board in Power Supply Circuitry of Recorder Due to Component Aging.Maint Personnel Replaced Failed Inverter
ML20198D9361998-11-30030 November 1998
Monthly Operating Rept for Nov 1998 for Nine Mile Point,Unit 1.With
ML20155E2001998-11-0202 November 1998
Safety Evaluation Approving NMP 980227 Request for Extension of Reinspection Interval for Core Shroud Vertical Welds at NMP1 from 10,600 Hours to 14,500 Hours of Hot Operation
ML20195J4141998-10-31031 October 1998
Monthly Operating Rept for Oct 1998 for Nine Mile Point Nuclear Station,Unit 1.With
ML20154D8401998-10-0505 October 1998
Safety Evaluation Accepting Proposed Changes Related to PT Limits in Plant,Unit 1 TSs
ML20154P1821998-09-30030 September 1998
Monthly Operating Rept for Sept 1998 for Nine Mile Point Nuclear Station,Unit 1.With
ML20153B2001998-08-31031 August 1998
Monthly Operating Rept for Aug 1998 for Nmpns,Unit 1.With
ML20237C6351998-07-31031 July 1998
Monthly Operating Rept for July 1998 for Nine Mile Point Nuclear Station,Unit 1
ML20236T5911998-07-20020 July 1998
LER 98-S01-00:on 980618,security Force Member Left Nine Mile Point,Unit 2 Vehicle Gate Unattended Without Ensuring,Gate Alarm Had Been Reactivated.Caused by Inadequate Work Practice.Vehicle Gate Alarm Was Activated
ML18040A3491998-07-0202 July 1998
LER 98-017-00:on 980602,control Room Ventilation Sys Was Declared Inoperable.Caused by Original Design Deficiency. Mod Designed,Tested & Implemented Prior to Startup from RF06 to Correct Design deficiency.W/980702 Ltr
ML20236Q1701998-06-30030 June 1998
Monthly Operating Rept for June 1998 for Nine Mile Point Nuclear Station,Unit 1
ML17059C1011998-06-24024 June 1998
LER 98-014-00:on 980525,noted Differences Between Actual Valve Weights & Weights Shown on Engineering Drawings.Caused by Vendor Failing to Provide Accurate Valve Weights.Revised Valve Drawings & Associated Calculation,Per 10CFR21
ML20151P1751998-06-16016 June 1998
Rev 0 to SIR-98-067, Evaluation of NMP Unit 2 Feedwater Nozzle-to-Safe End Weld Butter Indication (Weld 2RPV-KB20, N4D)
ML18040A3451998-06-0404 June 1998
LER 98-004-01:on 980302,TS Required LSFT of Level 8 Trip of Main Turbine Was Missed.Caused by Knowledge Deficiency of EHC Sys.Revised Applicable LSFT Procedures Prior to Refueling Outage 6.W/980604 Ltr
ML20249B4971998-05-31031 May 1998
Monthly Operating Rept for May 1998 for Nine Mile Point Nuclear Station,Unit 1
ML20248F3531998-05-21021 May 1998
Part 21 Rept Re Electronic Equipment Repaired or Reworked by Integrated Resources,Inc from Approx 930101-980501.Caused by 1 Capacitor in Each Unit Being Installed W/Reverse Polarity. Policy of Second Checking All Capacitors Is Being Adopted
ML20198B4991998-05-15015 May 1998
Non-proprietary Replacement Pages for Attachment F to Which Proposed to Change TS 5.5, Storage of Unirradiated & Sf
ML20247R1141998-04-30030 April 1998
Monthly Operating Rept for Apr 1998 for Nine Mile Point Nuclear Station,Unit 1
ML20217B0621998-03-31031 March 1998
Monthly Operating Rept for Mar 1998 for Nine Mile Point Nuclear Station,Unit 1
ML17059C1681998-03-19019 March 1998
Revised Niagara Mohawk Powerchoice Settlement Document for NMPC PSC Case Numbers 94-E-0098 & 94-E-0099, Vols 1 & 2
ML20217F4341998-03-19019 March 1998
SER Related to Proposed Restructuring New York State Electric & Gas Corp,Nine Mile Point Nuclear Station,Unit 2
ML17059B9051998-02-28028 February 1998
NMP Unit 1 Boat Samples Analyses Part Iii:Tension Tests, RDD:98:55863-004-000:01
1999-09-30
[Table view] |
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7 8 69 EVENT DATE 75 DATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h a # 2l l During normal operation, performance of surveillance test N1-ISP-RE02 :
gi found one Rx Lo-Lo water level switch with a trip setpoint of +2 inches ;
io pi ; water. T.S. 3.6.2A requires a setpoint of greater than or equal to 5.0 l o s I inches water. This condition had minimal safety implications. The re- ;
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