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 Issue dateTitleTopic
ML20217G69730 September 1999Monthly Operating Repts for Sept 1999 for Calvert Cliffs Npp,Units 1 & 2.With
ML20216J87310 September 1999Rev 52 to QA Policy for Calvert Cliffs Nuclear Power PlantFitness for Duty
Non-Destructive Examination
Offsite Dose Calculation Manual
Coatings
Nondestructive Examination
Process Control Program
Fire Protection Program
ML20212A44431 August 1999Monthly Operating Repts for Aug 1999 for Ccnpp,Units 1 & 2. with
ML17326A20123 August 1999LER 99-004-00:on 990724,reactor Tripped Due to Main Transformer Bushing Flashover.Plant Was Brought to SS & Components Were Tested & Performed Satisfactorily.With 990823 LtrSafe Shutdown
High winds
ML20210S60931 July 1999Monthly Operating Repts for July 1999 for Ccnpp,Units 1 & 2. with
ML20210N60027 July 1999ISI Summary Rept for Calvert Cliffs Unit 2. Page 2 of 3 in Encl 1 of Incoming Submittal Not IncludedHydrostatic
Coatings
Moisture barrier
ML20210B79415 July 1999SER Denying Licensee Request for Changes to Current Ts,Re Deletion of Tendon Surveillance Requirements for Calvert CliffsIncorporated by reference
LD-99-039, Part 21 Rept Re Defect of Abb 1200A 4kV Vacuum Breakers. Initially Reported on 990625.Defect Results in Breaker Failing to Remain in Closed Position.Root Cause Evaluation & Corrective Action Plan Being Developed.Licensee Notified30 June 1999Part 21 Rept Re Defect of Abb 1200A 4kV Vacuum Breakers. Initially Reported on 990625.Defect Results in Breaker Failing to Remain in Closed Position.Root Cause Evaluation & Corrective Action Plan Being Developed.Licensee Notified
ML20209F17230 June 1999Monthly Operating Repts for June 1999 for Calvert Cliffs Npp.With
LD-99-035, Part 21 Rept Re Abb 1200A 4KV Vacuum Breakers Performing Trip Free Operation When Close Signal Received by Breaker. Defect Results in Breaker Failing to Remain in Closed Position.Root Cause & CAP Being Developed25 June 1999Part 21 Rept Re Abb 1200A 4KV Vacuum Breakers Performing Trip Free Operation When Close Signal Received by Breaker. Defect Results in Breaker Failing to Remain in Closed Position.Root Cause & CAP Being Developed
ML20196C69821 June 1999Safety Evaluation Concluding That Use of ASME Section XI Code Including Summer 1983 Addenda as Interim Code for Third 10-year Insp Interval at Calvert Cliffs Units 1 & 2 Until Review of 1998 Code Completed,Would Be AcceptableIncorporated by reference
ML20195K28131 May 1999Monthly Operating Repts for May 1999 for Ccnpp,Units 1 & 2. with
ML20206R58730 April 1999Monthly Operating Repts for Apr 1999 for Ccnpp,Units 1 & 2. with
ML20195B38930 April 19990 to CENPD-279, Annual Rept on Abb CE ECCS Performance Evaluation ModelsFuel cladding
ML20205N29513 April 1999Special Rept:On 990314,fire Detection Sys Was Removed from Svc to Support Mod to Replace SRW Heat Exchangers in Unit 2 SRW Room During Unit 2 Refueling Outage.Contingency Measure 15.3.5.A.1 Will Continue Until Fire Detection Sys RestoredFire Barrier
Continuous fire watch
Hourly Fire Watch
ML20210T5211 April 1999Rev 0 to Ccnpp COLR for Unit 2,Cycle 13Shutdown Margin
ML20205P54431 March 1999Monthly Operating Repts for Mar 1999 for Calvert Cliffs Nuclear Power Plant,Units 1 & 2.With
ML20204H64721 March 1999SER Re License Renewal of Calvert Cliffs Nuclear Power Plant,Units 1 & 2License Renewal
ML20207M83228 February 1999Monthly Operating Repts for Feb 1999 for Calvert Cliffs Nuclear Power Plant.With
ML20203D4315 February 1999Safety Evaluation Accepting Procedure Established for long-term Corrective Action Plan Related to Containment Vertical Tendons
ML20199G46720 January 1999SER Accepting USI A-46 Implementation for PlantSafe Shutdown
Operating Basis Earthquake
Earthquake
Scaffolding
ML20206Q32211 January 1999Special Rept:On 981226,wide Range Noble Gas Effluent RM Was Removed from Operable Status.Caused by Failure of mid-range Checksource to Properly Reseat.Completed Maint & post-maint Testing & RM Was Returned to Operable Status on 990104
ML20207L0458 January 1999Cost-Benefit Risk Analyses:Radwaste Sys for Light Water ReactorsLarge early release frequency
Earthquake
Chernobyl
ML20199F4788 January 1999Safety Evaluation Concluding That Bg&E Performed Appropriate Evaluations of Operational Configurations of safety-related power-operated Gate Valves to Identify Valves Susceptible to Pressure Locking.Concludes GL 95-07 Actions Were AddressedSafe Shutdown
Boric Acid
Power-Operated Valves
Backfit
ML20198S7597 January 1999SER Accepting Quality Assurance Program Description Change for Calvert Cliffs Nuclear Power Plant,Units 1 & 2
ML20207M22831 December 19981998 Annual Rept for Bg&E. with
ML20199E29331 December 1998Monthly Operating Repts for Dec 1998 for Calvert Cliffs Npp. with
ML20206R9918 December 1998Rept of Changes,Tests & Experiments (10CFR50.59(b)(2)). withSafe Shutdown
Shutdown Margin
Internal Flooding
Emergency Lighting
Turbine Missile
Through Wall Leak
ML20198B26330 November 1998Monthly Operating Repts for Nov 1998 for Calvert Cliffs Nuclear Power Plant,Units 1 & 2.With
ML20195H10016 November 1998Safety Evaluation of First Containment Insp Interval Iwe/Iwl Program Alternative
ML20196E22131 October 1998Non-proprietary Rev 03-NP to CEN-633-NP, SG Tube Repair for Combustion Engineering Designed Plant with 3/4 - .048 Wall Inconel 600 Tubes Using Leak Limiting Alloy 800 SleevesSafe Shutdown Earthquake
Hydrostatic
Nondestructive Examination
Power change
ML20195E52831 October 1998Monthly Operating Repts for Oct 1998 for Calvert Cliffs Nuclear Power Station,Units 1 & 2.With
ML20154Q71921 October 1998Special Rept:On 980923,unit 1 Wrngm Was Removed from Operable Status.Caused by Failure of Process Flow Transducer.Completed Maint to Remove Process Flow Transducer Input to Wrngm Microprocessor & Completed Formal Evaluation
ML20154G3935 October 1998Safety Evaluation Concluding That Flaw Tolerance Evaluation for Assumed Flaw in Inboard Instrument Weld of Pressurizer Meets Rules of ASME Code
ML20154M58430 September 1998Monthly Operating Repts for Sept 1998 for Calvert Cliffs Nuclear Plant,Units 1 & 2.With
ML20153C25718 September 1998Special Rept:On 980830,wide Range Noble Gas Monitor (Wrngm) Channel Was Removed from Operable Status.Caused by Need to Support Performance of Required 18-month Channel Calibr.Will Return Wrngm to Operable Status by 980925
ML20153C10918 September 1998Part 21 Rept Re Defective Capacity Control Valves.Trentec Personnel Have Been in Contact with Bg&E Personnel Re Condition & Have Requested Potentially Defective Valves
ML20151U5444 September 1998Bg&E ISI Summary Rept for Calvert CliffsBoric Acid
Hydrostatic
VT-2
ML20151T5281 September 1998Special Rept:On 980819,declared Rv Water Level Monitor Channel a Inoperable.Caused by Failure of Three Heated Junction Thermocouples (Sensors) in Lower Five Sensors. Channel a & B Rv Water Level Probes Will Be ReplacedReactor Vessel Water Level
ML20151Y11931 August 1998Monthly Operating Repts for Aug 1998 for Calvert Cliffs Nuclear Power Plant Units 1 & 2.With
ML20237D49819 August 1998Safety Evaluation Accepting Licensee Request for Extension of Second ten-year Inservice Insp IntervalIncorporated by reference
ML18066A27713 August 1998Part 21 Rept Re Deficiency in CE Current Screening Methodology for Determining Limiting Fuel Assembly for Detailed PWR thermal-hydraulic Sa.Evaluations Were Performed for Affected Plants to Determine Effect of Deficiency
ML20237B93731 July 1998Monthly Operating Repts for July 1998 for Calvert Cliffs Nuclear Power Plant
ML20237D59422 July 1998Rev 2 to Ccnpp COLR for Unit 2,Cycle 12Shutdown Margin
ML20236L7526 July 1998Safety Evaluation Granting Bg&E 980527 Request for Relief from Requirement of Section IWA-5250 of ASME Code for Calvert Cliffs Unit 2.Alternatives Provide Reasonable Assurance of Operational ReadinessIncorporated by reference
ML20236F77930 June 1998Safety Evaluation Authorizing Request for Temporary Relief from Requirement of Subsection IWA-5250 of ASME Code,Section XI for Plant,Unit 1Incorporated by reference
ML20236R08830 June 1998Monthly Operating Repts for June 1998 for Calvert Cliffs Nuclear Power Plant,Units 1 & 2
ML20236X31019 June 1998Rev 1 to Calvert Cliffs Nuclear Power Plant COLR for Unit 2,Cycle 12Shutdown Margin
ML20249A95715 June 1998Special Rept:On 980430,fire Detection Sys Was Removed from Svc to Support Mod to Purge Air Sys 27-foot Elevation & 5-foot Elevation East Piping Penetration Rooms.Installed Temporary Alteration & Returned Fire Detection Sys to Svc
ML20249A77131 May 1998Monthly Operating Repts for May 1998 for Ccnpp,Units 1 & 2
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