05000373/LER-1998-001, Forwards LER 98-001-00,being Submitted to Nrc,Per 10CFR50.73(a)(2)(i).Rept Contains Listed Commitments

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Forwards LER 98-001-00,being Submitted to Nrc,Per 10CFR50.73(a)(2)(i).Rept Contains Listed Commitments
Person / Time
ML20217N947
Site:	LaSalle
Issue date:	03/02/1998
From:	Dacimo F COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20217N950	List: 05000373/LER-1998-001, Forwards LER 98-001-00,being Submitted to Nrc,Per 10CFR50.73(a)(2)(i).Rept Contains Listed Commitments 05000373/LER-1998-001-06, :on 980131,missed TS Fire Watch Were Noted Due to Personnel Error.Terminated Responsible Contracted Fire Watch Inspectors
References
NUDOCS 9803090357
Download: ML20217N947 (1)
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LER-1998-001, Forwards LER 98-001-00,being Submitted to Nrc,Per 10CFR50.73(a)(2)(i).Rept Contains Listed Commitments

Event date:
Report date:
Reporting criterion:	10 CFR 50.73(a)(2)(i)
3731998001R00 - NRC Website
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text

O smny :,w raltli lilimn Company lealle Greyrrating Nation 2601 Nasrth list Road 11arwilirs, II 61.4 619"5"

't el HI 5 3C0~61 March 2,1998 United States Nuclear Regulatory Commission Attention: Document Control Desk Washington, D.C. 20555 Licensee Event Report #98-001-00, Docket #050-373 is being submitted j.

to your office in accordance with 10 CFR 50.73(a)(2)(i).

The report contains the following commitment:

To increase oversight and motivate fire watch inspectors, additional l

Fire Watch supervision is being provided. The need to provide l

additional supervision will be continuously evaluated, and may be l

adjusted, based on the fire watch staffing levels and/or performance. (NTS# 373-180-98-SCAQ00001.01) l If there are any questions or comments concerning this letter, please refer

)

i them to Perry Bames, Regulatory Assurance Manager, at (815) 357-6761, extension 2383.

[

Respectfully,

$ fs Y 1 s

l Fred Dacimo l

Site Vice President LaSalle County Station i

L Enclosure I

cc:

A. B. Beach, NRC Region lil Administrator M. P. Huber, NRC Senior Resident inspector - LaSalle C. H. Mathews, IDNS Resident inspector - LaSalle F. Niziolek, IDNS Senior Reactor Analyst

)

INPO - Records Center 98o3090357 900302 5 "

8 'd Ippp!qil!qq

_ _ ~.,

Licensee Event Report

70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 |

90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 |

10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 |

		Reporting criterion
05000374/LER-1998-001, :on 980106,indications,isolations & Alarms Occurred Due to Trip of 2B RPS MG Set Output Breaker & Concurrent Tripping of Electrical Protection Assembly. Replaced Circuit Board Containing Overvoltage Relay	on 980106,indications,isolations & Alarms Occurred Due to Trip of 2B RPS MG Set Output Breaker & Concurrent Tripping of Electrical Protection Assembly. Replaced Circuit Board Containing Overvoltage Relay	10 CFR 50.73(a)(2)(iv), System Actuation
05000373/LER-1998-001-06, :on 980131,missed TS Fire Watch Were Noted Due to Personnel Error.Terminated Responsible Contracted Fire Watch Inspectors	on 980131,missed TS Fire Watch Were Noted Due to Personnel Error.Terminated Responsible Contracted Fire Watch Inspectors	10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications
05000373/LER-1998-001, Forwards LER 98-001-00,being Submitted to Nrc,Per 10CFR50.73(a)(2)(i).Rept Contains Listed Commitments	Forwards LER 98-001-00,being Submitted to Nrc,Per 10CFR50.73(a)(2)(i).Rept Contains Listed Commitments	10 CFR 50.73(a)(2)(i)
05000373/LER-1998-002, Forwards LER 98-002-00,per 10CFR50.73(a)(2)(i).Commitments Made by Util,Encl	Forwards LER 98-002-00,per 10CFR50.73(a)(2)(i).Commitments Made by Util,Encl	10 CFR 50.73(a)(2)(i)
05000373/LER-1998-002-06, :on 980510,noted That EDGs Were Not Being Declared Inoperable in Quarterly Tests When Engine Cooling Was Involved.Caused by Failure to Establish Procedural Guidance.Will Revise Diesel Surveillance Procedures	on 980510,noted That EDGs Were Not Being Declared Inoperable in Quarterly Tests When Engine Cooling Was Involved.Caused by Failure to Establish Procedural Guidance.Will Revise Diesel Surveillance Procedures	10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications
05000373/LER-1998-003-02, :on 980210,abnormal Startup of Idle Reactor Recirculation Loop Analysis Not Bounding Due to Vendor Inadequate Calculation.Caused by GE Insufficient Analyses. Resolution Will Be Addressed by GE CA Program	on 980210,abnormal Startup of Idle Reactor Recirculation Loop Analysis Not Bounding Due to Vendor Inadequate Calculation.Caused by GE Insufficient Analyses. Resolution Will Be Addressed by GE CA Program
05000373/LER-1998-004-02, :on 980227,TS Fire Watch Was Missed Due to Personnel Error.Permanent Policy Was Established to Ensure That Fire Watch Supervisors Check That Each Insp Route Started at Top of Each Hour	on 980227,TS Fire Watch Was Missed Due to Personnel Error.Permanent Policy Was Established to Ensure That Fire Watch Supervisors Check That Each Insp Route Started at Top of Each Hour	10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications 10 CFR 50.73(a)(2)(i)
05000373/LER-1998-005, Forwards LER 98-005-00 IAW 10CFR50.73(a)(2)(ii).Commitments Made by Util,Contained in Attachment a	Forwards LER 98-005-00 IAW 10CFR50.73(a)(2)(ii).Commitments Made by Util,Contained in Attachment a	10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition
05000373/LER-1998-005-02, :on 980320,noted That post-LOCA H2/02 Monitoring Sys Design Is Inconsistent W/Ufsar.Cause Indeterminate.Appropriate Documentation Will Be Obtained or 10CFR50.59 Evaluation Will Be Completed	on 980320,noted That post-LOCA H2/02 Monitoring Sys Design Is Inconsistent W/Ufsar.Cause Indeterminate.Appropriate Documentation Will Be Obtained or 10CFR50.59 Evaluation Will Be Completed	10 CFR 50.73(a)(2)(ii)(B), Unanalyzed Condition
05000373/LER-1998-006-03, :on 980622,local Fire Detection Module in Standby Gas Treatment Sys Was Located in Harsh Environ. Caused by Inadequately Addressed Potential Impact. Performed Assessment	on 980622,local Fire Detection Module in Standby Gas Treatment Sys Was Located in Harsh Environ. Caused by Inadequately Addressed Potential Impact. Performed Assessment	10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications 10 CFR 50.73(a)(2)(1)
05000373/LER-1998-006, Forwards LER 98-006-00 IAW 10CFR50.73(a)(2)(i).Attachment a Provides Commitments for Submittal	Forwards LER 98-006-00 IAW 10CFR50.73(a)(2)(i).Attachment a Provides Commitments for Submittal	10 CFR 50.73(a)(2)(i)
05000373/LER-1998-007, Forwards LER 98-007-00,being Submitted to Nrc,Per 10CFR50.73(a)(2)(ii).Commitments for Submittal,Encl	Forwards LER 98-007-00,being Submitted to Nrc,Per 10CFR50.73(a)(2)(ii).Commitments for Submittal,Encl	10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition
05000373/LER-1998-007-03, :on 980319,potential Pressurization of Reactor Building Ventilation Exhaust Plenum Resulted from Main Steam Helb.Caused by Calculation Error.Lasalle County Station UFSAR Will Be Revised	on 980319,potential Pressurization of Reactor Building Ventilation Exhaust Plenum Resulted from Main Steam Helb.Caused by Calculation Error.Lasalle County Station UFSAR Will Be Revised	10 CFR 50.73(a)(2)(ii)(B), Unanalyzed Condition
05000373/LER-1998-008-03, :on 980720,determined That Fire Protection Valves Were Not Tested Per Ts.Caused by Mgt Deficiencies Associated W/Mod.Subject Valves Have Since Been Cycled & Demonstrated to Have Been Operable	on 980720,determined That Fire Protection Valves Were Not Tested Per Ts.Caused by Mgt Deficiencies Associated W/Mod.Subject Valves Have Since Been Cycled & Demonstrated to Have Been Operable	10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications 10 CFR 50.73(a)(2)(1)
05000373/LER-1998-008, Forwards LER 98-008-00 IAW 10CFR50.73(a)(2)(i).Commitments Made by Util,Provided in Attachment a	Forwards LER 98-008-00 IAW 10CFR50.73(a)(2)(i).Commitments Made by Util,Provided in Attachment a	10 CFR 50.73(a)(2)
05000373/LER-1998-009-01, Forwards LER 98-009-01,IAW 10CFR50.73(a)(2)(iv).Commitments Made within Ltr,Encl	Forwards LER 98-009-01,IAW 10CFR50.73(a)(2)(iv).Commitments Made within Ltr,Encl	10 CFR 50.73(a)(2)(iv), System Actuation
05000373/LER-1998-009-02, :on 980721,Div III EDG Actuated During Removal of Sys Auxiliary Transformer from Service.Caused by Failure to Use Operating Procedure by Personnel.Div III Was Placed in Proper Configuration for SAT to Remain de-energized	on 980721,Div III EDG Actuated During Removal of Sys Auxiliary Transformer from Service.Caused by Failure to Use Operating Procedure by Personnel.Div III Was Placed in Proper Configuration for SAT to Remain de-energized	10 CFR 50.73(a)(2)(iv), System Actuation
05000373/LER-1998-010-02, :on 980416,incorrect Range Radiation Detectors Were Installed in SR Sys.Caused by Human Error Performance. Replaced Incorrect Range Detectors	on 980416,incorrect Range Radiation Detectors Were Installed in SR Sys.Caused by Human Error Performance. Replaced Incorrect Range Detectors
05000373/LER-1998-010, Forwards LER 98-010-00,IAW 10CFR50.73(a)(2)(ii).Commitments Made within Ltr,Encl	Forwards LER 98-010-00,IAW 10CFR50.73(a)(2)(ii).Commitments Made within Ltr,Encl	10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition
05000373/LER-1998-011, :on 980410,TS FP Special Rept Was Not Submitted.Caused by Mgt Deficiency.Proper Guidance Re Fire Pump Operability Has Been Provided to Plant Operators	on 980410,TS FP Special Rept Was Not Submitted.Caused by Mgt Deficiency.Proper Guidance Re Fire Pump Operability Has Been Provided to Plant Operators
05000373/LER-1998-012-01, :on 980729,reactor Scram During Scram Discharge Volume Surveillance Occurred.Caused by Inadequate Procedures.Revised Subject Surveillance Procedure Accordingly	on 980729,reactor Scram During Scram Discharge Volume Surveillance Occurred.Caused by Inadequate Procedures.Revised Subject Surveillance Procedure Accordingly	10 CFR 50.73(a)(2)(iv), System Actuation
05000373/LER-1998-012, :on 970410,low-low Setpoint Function of MSSVs Had Not Been Tested IAW TS SRs Due to Inadequate Procedural. Procedure LTS-500-5 Has Been Deleted	on 970410,low-low Setpoint Function of MSSVs Had Not Been Tested IAW TS SRs Due to Inadequate Procedural. Procedure LTS-500-5 Has Been Deleted	10 CFR 50.73(a)(2)(i)
05000373/LER-1998-013-01, :on 980817,reactor Water Cleanup Isolations Occurred Due to Inadequate Operating Procedure Guidance. Caused by Human Error.Revised Operating Procedures for RT Sys	on 980817,reactor Water Cleanup Isolations Occurred Due to Inadequate Operating Procedure Guidance. Caused by Human Error.Revised Operating Procedures for RT Sys	10 CFR 50.73(a)(2)(iv), System Actuation
05000373/LER-1998-013, Forwards LER 98-013-00,IAW 10CFR50.73(a)(2)(iv).Commitments Made by Util,Encl	Forwards LER 98-013-00,IAW 10CFR50.73(a)(2)(iv).Commitments Made by Util,Encl	10 CFR 50.73(a)(2)(iv), System Actuation
05000373/LER-1998-015-02, :on 980819,manual Reactor Scram Occurred Following Level Control Transient.Caused by Failure of Control Card Associated with Bailey Rwl Cs.Replaced Failed Card with Refurbished Unit.With	on 980819,manual Reactor Scram Occurred Following Level Control Transient.Caused by Failure of Control Card Associated with Bailey Rwl Cs.Replaced Failed Card with Refurbished Unit.With	10 CFR 50.73(a)(2)(iv), System Actuation
05000373/LER-1998-016, Forwards LER 98-016-00,per 10CFR50.73(a)(2)(i).Attachment a Provides Commitments for Submittal	Forwards LER 98-016-00,per 10CFR50.73(a)(2)(i).Attachment a Provides Commitments for Submittal	10 CFR 50.73(a)(2)(i)
05000373/LER-1998-016-02, :on 980823,APRM Reactor Scram & Rod Block Setpoints Found to Be non-conservative After Calibr Due to Human Performance Error.Flow Converter Correctly Calibr in Accordance with Procedure LIS-NR-107	on 980823,APRM Reactor Scram & Rod Block Setpoints Found to Be non-conservative After Calibr Due to Human Performance Error.Flow Converter Correctly Calibr in Accordance with Procedure LIS-NR-107	10 CFR 50.73(a)(2)(1)

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