NRC-02-0002, Request for License Amendment, Elimination of Chlorine Detection Function from Control Room Heating, Ventilation & Air Conditioning System
RBG-22398, Forwards for Review,List of Changes Util Requests to Be Included in Tech Specs Re Full Power Ol.Items Represent Corrections,Clarifications & Enhancements to Tech Specs.No Amend to Present Low Power License Sought
AECM-86-0197, Application for Amend to License NPF-29,revising Tech Specs to Delete Control Room Chlorine Detectors & Requirement for Automatic Isolation of Control Room Upon Detection of Chlorine.Fee Paid
RBG-22-496, Forwards Revs to 851021 Tech Spec Change Request for Full Power Ol,Based on Discussion W/Nrc.Revs Clarify Basis for Changing ECCS Actuation Instrumentation Setpoints for Fire Detection Instrumentation
RBG-22-457, Forwards Composite List of Requested Tech Spec Changes for Full Power Ol,Discussions,Justification & Proposed Markup for Each Change.No Change to License NPF-40 Requested
SNRC-1075, Forwards Updated Onshift Advisor (OSA) Resume,Osa Exam Key & Summary of OSA Operating Experience.All OSAs Satisfactorily Completed Training.No Survey Done by Util Group on Operating Shift Experience
AECM-84-0027, Forwards Description of Implementation of Listed NUREG-0737 Items Per Generic Ltr 83-36.Current Tech Specs Consistent W/Requirements for NUREG-0737,Items II.B.1,II.B.3,II.F.1 & II.D.3.4
PY-CEI-NRR-1061, Special Rept:On 890811,vibration & Loose Parts Monitoring Sys Experienced Spurious Alarms.Caused by Excessive Background Noise.Design Change Request Submitted to Address Hard Line Cable Issue
PY-CEI-NRR-0975, Special Rept:On 890112,vibration & Loose Part Monitoring Sys Experienced Series of Spurious Alarms.Caused by Excessive Background Noises.Channel 4 Declared Inoperable on 890122. Channel Will Be Reworked During First Refueling Outage
PY-CEI-NRR-0729, Special Rept NP-39-01:on 870821,loose Part Detection Sys Declared Inoperable W/Less than Min Required Channels.Caused by Sys Being in Continuous Alarm W/O Confirmation of Loose Parts.Frequency Filters to Be Added
PY-CEI-NRR-2056, Special Rept:On 960421,channel of Vibration & Loose Parts Monitoring Sys Declared Inoperable,Due to Abnormally Low Background Level Being Detected.Cause for Low Output Signal Cannot Be Determined
PY-CEI-NRR-1531, Special Rept:On 920618,Vibration & Loose Part Monitoring (V&Lpm) Sys Experienced Series of Invalid Alarms Due to Excessive Background Noise.Channel 7 of V&Lpm Sys Declared Inoperable.V&Lpm Sys Upgraded
PY-CEI-NRR-2019, Special Rept:On 951228,six Channels of Vibration & Loose Parts Monitoring Sys Declared Inoperable Because 18 Month Channel Calibr Surveillance Frequency Had Passed.Performs Daily Channel Checks & Monthly Channel Functioning Testing
PY-CEI-NRR-1923, Special Rept:On 950303,vibration & Loose Parts Monitoring (V&Lpm) Sys Channels 1 & 4 Inoperable for More than 30 Days. V&Lpm Channels 1 & 4 Declared Inoperable on 950201 Subsequent to Troubleshooting Activities
PY-CEI-NRR-1360, Special Rept:On 910418,alarms Generated by Noise Spike in 60 Hz Range Due to Inoperable Loose Parts in Detection Sys Instrumentation.Possible Corrective Actions Include Replacement of Cable or Detector
PY-CEI-NRR-1315, Special Rept:On 910115,channel 8 of Vibration & Loose Parts Monitoring Sys Experienced Spurious Alarms That Could Not Be Reset.Caused by Alarm Threshold Set Too Sensitively.Alarm Threshold Raised to Value Comparable W/Channel 7
PY-CEI-NRR-1675, Special Rept:On 930603,vibration & Loose Parts Monitoring Sys Experienced Series of Invalid Alarms Attributed to Excessive Background Noise.Caused by Failure to Implement Temporary Setpoints.Alarm Levels Will Be Set
05000373/LER-1987-036-01, :on 871114,control Room HVAC Sys a Ammonia Detector OXY-VC125A Tripped.Caused by Chemcassette Broken at Takeup Spool.Chemcassette Tape Replaced
05000354/LER-1987-005-03, :on 870624,loose Parts Monitor Printer Declared Inoperable After Routine Insp Revealed Problems W/Printer. New Printer Ordered But Not Received Before Expiration of 30-day Limiting Condition for Operation
05000373/LER-1989-004, :on 890125,spurious B Control Room HVAC Sys B Ammonia Detector Trip Occurred.Root Cause of Event Could Not Be Determined.Tech Spec Amend Request Approved on 890118 to Remove Refs to Ammonia Detectors
05000352/LER-1986-044, :on 860909,discovered That Toxic Gas Alarm Setpoint for Vinyl Chloride Greater than Tech Spec Limit. Caused by Mfg Error in Establishing Setpoints for Vinyl Chloride & Ammonia.Related Correspondence
05000373/LER-1986-040-01, :on 861118,control Room HVAC Sys a Ammonia Detector OXY-VC125YA Tripped & Declared Inoperable.Caused by Sample Wisa Pump Providing Insufficient Flow Due to Sample Pump Degradation.Pump Replaced
05000373/LER-1987-018-01, :on 870413,control Room HVAC ESF Actuation Occurred Due to Broken Ammonia Detector Chemcassette Tape. Caused by Weak Magnets.Instrument Maint Procedure LIP-GM-940 Performed to Adjust Chemical Cassette Tape
05000373/LER-1987-004-02, :on 870128,ammonia Detector Tripped,Causing ESF Damper Actuation & Min Outside Air Dampers to Close.Caused by Jammed Chemcassette in Makeup Spool.Chemcassette Replaced & Preventive Maint Program Initiated
05000373/LER-1987-012-01, :on 870311,control Room HVAC Sys a Ammonia Detector OXY-VC125YB Tripped.Caused by Broken Chemcassette Tape.Tape Adjusted & Detector Reset
05000373/LER-1988-026-02, :on 881105,spurious Ammonia Detector Trip Due to Design Deficiency in Chemcassette Tape Mechanism.Caused by Jammed Chemcassette Tape in Detector Unit.Chemcassette Tape Unbound & Realigned & Detector Reset
05000373/LER-1988-025-02, :on 881103,spurious Ammonia Detector Trip Due to Failure of Chemcassette Tape Drive Motor.Caused by Design Deficiency of Chemcassette Tape Mechanism.Drive Motor Assembly & Chemcassette Tape Replaced
05000373/LER-1988-022-01, :on 881013,control Room HVAC Sys B Ammonia Detector Tripped.Caused by Design Deficiency in Chemcassette Tape Mechanism.Chemcassette Tape Realigned in Spool Mechanism.Detector Reset & Returned to Svc
05000373/LER-1988-017-04, :on 880821,control Room HVAC Sys B Ammonia Detector a Tripped.Maint Dept Found Takeup Spool Drive Motor Had Jammed.Caused by Design Deficiency in Chemcassette Tape Mechanism.Tech Spec Amend Request Submitted
05000352/LER-1985-101, :on 851230,Tech Spec 3.3.7.8.2 Requiring Two Operable Toxic Gas Detection Subsystems Found Unmet.Caused by Operator Error.Procedures S57.8A & S78.1F Revised
05000374/LER-1988-013-03, :on 880609,control Room a HVAC Sys a Ammonia Detector Tripped & ESF Damper Actuation Occurred.Caused by Failed Front Optics Lamp.Lamp Replaced & Ammonia Detector Returned to Operable Status
05000373/LER-1987-041-01, :on 871222,control Room HVAC Sys B Ammonia Detector Trip Occurred Due to Chemcassette Out of Tape. Caused by Procedural Weakness.Chemcassette Replaced & Procedures Revised
05000373/LER-1985-067-01, :on 851120,control Room Ventilation/Auxiliary Electric Equipment Room Ventilation Sys Chlorine Detector B Spuriously Alarmed.Cause Undetermined.Detector Reset
05000416/LER-1985-044, :on 851118,control Room Emergency Filtration Subsystem Isolation Occurred Due to High Chlorine Concentration Signal.Cause Undetermined.Sys Returned to Svc on 851125
05000352/LER-1985-096, :on 851211,determined That Daily Surveillance Log (ST-6-107-590-1) Did Not Contain Readings for Control Room Fresh Air Radiation Monitors & Toxic Gas Monitors. Caused by Personnel Error
05000352/LER-1985-094, :on 851207,main Control Room Chlorine Isolation & Emergency Fresh Air Sys Initiation Occurred.Caused by Failure of Toxic Chemical Analyzer Servo Mechanism. Isolation Reset.New Detector Installed
05000352/LER-1985-065, :on 850729,discovered That Alarm Setpoint Used for Toxic Phosgene Gas Detection Sys Nonconservative W/ Tech Spec 3.3.7.8.2 Limit.Caused by Foxboro Co Error in Equivalency Determination.Setpoint Decreased
05000373/LER-1985-051-01, :on 850627,alarm Received for High Chlorine/ Ammonia Concentration for Train B of Control Room/Auxiliary Electrical Equipment Room HVAC Sys.Caused by Spurious Alarm from Chlorine Detector.Chlorine Detector Reset
05000373/LER-1985-049-01, :on 850625,chlorine Detector Actuation Occurred Resulting in ESF Damper Operations to Isolate Vital Control Areas of Plant from Outside Air.Caused by Debris in Glass Orifice of Chlorine Detector for Vc/Ve Train B
05000373/LER-1985-039-01, :on 850419,high Chlorine/Ammonia Concentration Alarm Received for Control Room/Auxiliary Electrical Equipment Room HVAC Train B.Caused by out-of-calibr Ammonia Detector.Ammonia Detector Recalibr
05000373/LER-1985-042-01, :on 850505,high Chlorine/Ammonia Concentration Alarm Received for Control Room/Auxiliary Electrical Equipment Room HVAC Train B.Caused by Faulty Takeup Reel in Ammonia Detector.Detectors Returned to Svc
05000373/LER-1984-091, :on 841220,train B ammonia-chlorine Alarm Tripped.Caused by Broken Chemcassette Tape.Chemcassette Replaced W/New Tape & Detector Reset
05000352/LER-1984-033, :on 841211,failure of Control Room Chlorine Detector D Caused Normal Ventilation to Isolate & Train B of Control Room Emergency Fresh Air Sys to Start.Caused by Broken Sample Tape.Tape Repaired
05000352/LER-1984-017, :on 841127,improper Setpoint for Chlorine Analyzer Trip Switch Found.Caused by Personnel Error.Calibr Performed Immediately & Personnel Counseled Re Procedures
05000352/LER-1984-046, :on 841230,control Room Emergency Fresh Air Sys Train B Started.Caused by Sample Tape Breaking Causing Analyzer to Indicate Full Scale.Tape Repaired & Analyzer Tested & Returned to Svc
05000352/LER-1984-008-02, :on 841115,main Control Room Chlorine Analyzer Failed.Caused by Equipment Malfunction & Sample Tape Breaking,Causing Indicator to React full-scale.Broken Tape Replaced & Analyzer Recalibr
05000373/LER-1982-157-03, /03L-0:on 821121,QA Control Room HVAC Ammonia Detector Failed.Caused by Broken Paper Tape in Detector. Tape Replaced
05000416/LER-1983-092-03, Discovered Inappropriate Maint Retest Performed on 830708 for Both Control Room Chlorine Detectors.Sys Released for Work at Same Time on 830707.Caused by Personnel Error
05000373/LER-1983-077-03, /03L-0:on 830716,ammonia Detector OXY-VC1658 Found Inoperable.Caused by Failed Light Bulb.Work Request to Replace Light Bulb Completed
05000458/LER-1993-027, :on 931120,discovered Firewatch Patrol Not Completed in Timely Manner During Computer Sys Outage Due to Conflicting Priorities for Security Personnel.Memo Issued Raising Awareness of Fire Watch Urgency
GO2-86-322, Application for Amend to License NPF-21,changing Tech Specs to Delete Chlorine Detection Sys Due to Permanent Plant Change Removing Chlorine Gas Storage from Immediate Site Area.Fee Paid
05000410/LER-1987-015, :on 870222,failure to Maintain Hourly Watch Patrol in Area W/Inoperable Fire Detection Sys Occurred. Caused by Change to Fire Watch Patrol Rover Schedule W/O Notifying Fire Chief.Personnel Counseled
PY-CEI-NRR-0915, Special Rept:On 880810,vibration & loose-part Monitoring Sys Experienced Loss of Channel 4 Detection String.Caused by Failure of Preamplifier in Channel 4.Preamplifier Replaced on 880817
05000373/LER-1988-020-03, :on 880926,control Room HVAC Sys a Ammonia Detector Tripped.Caused by Design Deficiency in Chemcassette Tape Mechanism.Chemcassette Tape,Rena Pump,Panel Meter, Photocell Board,Optics Block & Roller Replaced
05000373/LER-1987-028-01, :on 870813,control Room B HVAC Sys Ammonia Detector B Tripped & ESF Actuation Occurred.Caused by Tape Breakage in Chemcassette Assembly.Chemcassette Tape Readjusted & Verified as Functional
05000373/LER-1987-035-01, :on 871108,ammonia Detector Tripped Spuriously. Caused by Failure of Detector Front Optics Indicator Lamp. Indicator Lamp Was Replaced
05000373/LER-1987-024-01, :on 870602,control Room HVAC a Ammonia Detector OXY-VC125YB Tripped.Caused by Tape Breakage in Chemcassette Assembly.Chemcassette Tape Adjusted by Instrument Technician & Detector Returned to Operable svc.W/870701
05000416/LER-1983-147-03, /03L-0:on 830919,determined Spare Parts,Purchased to Improper Quality Level Requirements,Installed in Chlorine Detection Sys.Engineering Design Group Included in Review Cycle for Procurement Documents