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Issue date | From | Title | Project stage | |
---|---|---|---|---|
ML20084C589 | 16 April 1984 | Xcel Energy Warembourg D | Provides Advance Notification of Intent to Propose Tech Spec Changes to Circulation speed-high Trip Setting Listed in Table 4.4-3 & Surveillance Requirement SR 5.3.7 for Secondary Coolant Monitoring | Other |
ML20084Q436 | 10 May 1984 | Xcel Energy Lee O | Application to Amend License DPR-34,revising Tech Specs to Change Circulator speed-high Steam Trip Setting.Change Would Increase Circulator Availability While Providing for Initiation of Protective Actions | Request |
ML20084Q422 | 10 May 1984 | Xcel Energy Lee O | Forwards Application to Amend License DPR-34,revising Tech Specs to Change Circulator speed-high Steam Trip Setting (Table 4.4-3).Change Would Increase Circulator Availability While Providing for Initiation of Protective Actions | Request |
ML20084Q444 | 10 May 1984 | Xcel Energy | Proposed Tech Spec Table 4.4-3, Instrument Operating Requirements for Plant Protective Sys,Circulator Trip. Significant Hazards Considerations Encl | Other |
ML20092P626 | 26 June 1984 | Xcel Energy Lee O | Confirms Util Commitment to Fully Investigate 840623 Event in Which Six Control Rod Pairs Failed to Insert Into Core Under Automatic Velocity Limited free-fall Sys.Nrc Approval of Resolutions Will Be Obtained Prior to Reactor Startup | Other |
ML20090C526 | 6 July 1984 | Xcel Energy Lee O | Responds to NRC Concerns Re Fire Protection Review,Bldg 10 Licensing Requirements,Control Rod Failure to Scram, Documentation of Disciplinary Actions,Clearance Tags & Radiological Emergency Exercise Scenario,Per 840625 Meeting | Meeting |
ML20094D774 | 18 July 1984 | Xcel Energy Lee O | Informs of Control Rod & CRD Insp & Testing in Response to NRC 840709 Insp.Major Power Consumption & Scram Verification of All 37 CRD & Orifice Assemblies Completed & Insp Underway.Plan for Further Action Described | Other |
ML20096C032 | 21 August 1984 | Xcel Energy Lee O | Provides Findings & Positions Re Investigation of 840623 Failure of Six Control Rods to Automatically Insert Upon Scram.Summary of Work on Four CRDs & Description of Tests Encl.Corrective Actions Listed | Other |
ML20098B305 | 7 September 1984 | Xcel Energy Gahm J | Ro:On 840904,while Removing CRD & Orifice Assembly,Motor Overcurrent Condition on Auxiliary Transfer Cask Shutters Occurred,Preventing Full Closure.Caused by One Control Rod String Not Fully Retracted.Work Temporarily Discontinued | Other |
ML20093K194 | 24 September 1984 | Xcel Energy Gahm J | Submits Info Re Status of Damaged Control Rod Removal on Fuel Deck.Related Info Encl.Possibly Caused by Absorber Strings Not Fully Retracted,Despite Full Retract Limit Switch Indication | Other |
ML20099K727 | 8 November 1984 | Xcel Energy Gahm J | Provides Status of Control Rod Drive & Orificing Assembly (Crdoa) Refurbishing Efforts.Further Investigation of Crdoa Determined That Cause of Inability of Absorber String to Fully Retract Was Cable Failure | Other |
ML20112C049 | 27 December 1984 | Xcel Energy Lee O | Responds to NRC 841025 Request for Addl Info Re 840510 Application for Amend to License DPR-34,revising Tech Spec Re Helium Circulators Overspeed Trip Setpoint.Analysis Value Encl | Request |
ML20112G506 | 4 January 1985 | Xcel Energy Lee O | Forwards Status of Planned Audit Response to NRC July 1984 Audit of Plant Operations,Per Denton .Repts Covering Technical Details of Listed Subjs Will Be Provided by 850131,per 841128 & 29 Meetings | Meeting |
ML20106B531 | 25 January 1985 | Xcel Energy Brey H | Advises That Util Will Perform Turbine Load Rejection from Full Load Test at End of Cycle 4.Tech Spec Amend Will Be Submitted | Other |
05000267/LER-1984-008, Forwards Addl Info Re Three CRDs & Orifice Assemblies That Failed to Scram During in-core back-EMF Testing,Per 850122 Telcon.Suppl to LER 84-008 Will Be Provided | 28 January 1985 | Xcel Energy Brey H | Forwards Addl Info Re Three CRDs & Orifice Assemblies That Failed to Scram During in-core back-EMF Testing,Per 850122 Telcon.Suppl to LER 84-008 Will Be Provided | Other |
ML20106B533 | 31 January 1985 | Xcel Energy Warembourg D | Forwards Investigation Into Sources of Chloride in Fort St Vrain Primary Circuit. Rept Re Investigations of Effects of Chlorides on Major Components in Primary Circuit Will Be Sent by 850228 | Other |
ML20100A029 | 4 March 1985 | Xcel Energy Warembourg D | Advises That Rept Re Effects of Chloride on Major Components in Primary Circuit Will Be Delayed Due to Many Activities in Progress.Rept Will Be Submitted by 850318 | Other |
ML20112G472 | 5 March 1985 | GENERAL ATOMICS (FORMERLY GA TECHNOLOGIES INC./GENER Burnette R Baldwin N Montgomery F | Investigation Into Sources of Chloride in Fort St Vrain Primary Circuit | Other |
ML20132G502 | 12 March 1985 | Bennett D LOS ALAMOS NATIONAL LABORATORY Fly G Fugelso L | Evaluation of CRD Mechanism & Reserve Shutdown Sys Failures & Pcrv Tendon Degradation Issues Prior to Fort St Vrain Restart | Other |
ML20112G463 | 18 March 1985 | Xcel Energy Warembourg D | Forwards Ga Technologies,Inc Rept 907838, Investigation Into Sources of Chloride in Fort St Vrain Primary Circuit, Re Effects of Chloride on Major Components in Primary Circuit.Final Review & Clearance to Be Forwarded by 850326 | Other |
ML20100H121 | 21 March 1985 | Xcel Energy Rao R Thurgood B | Evaluation of Fort St Vrain Metallic Components Exposed to Primary Coolant Chloride Contamination | Other |
ML20100H112 | 26 March 1985 | Xcel Energy Warembourg D | Forwards Evaluation of Fort St Vrain Metallic Components Exposed to Primary Coolant Chloride Contamination, Per 850318 Commitment | Other |
ML20117M059 | 26 April 1985 | Xcel Energy Singleton L | Expresses Appreciation for Opportunity to Discuss Quality Aspects of CRD & Orifice Assembly (Crdoa) Refurbishment Program on 850424 in Arlington,Tx.Discusses 850418 Audit to Confirm 18 Crdoas Completed W/High Quality | Other |
ML20132C978 | 17 May 1985 | Office of Nuclear Reactor Regulation | Safety Evaluation Re CRD Instrumentation | Approval |
ML20126B629 | 20 May 1985 | Xcel Energy Brey H | Responds to Commitment Log Item CL-1055 Re Verification of Operability of Surge Diodes on CRD Brake & Limit Switch Relays.Diodes & Functions Listed.Action Request DCAR-704 Initiated to Provide Relocation of Diodes | Other |
ML20127K637 | 7 June 1985 | Xcel Energy Lee O | Forwards Interim Tech Specs for Control Rods for Use During Plant Startup.Specs Describe Program to Assure Control Rod & Reserve Shutdown Sys Reliability.Operating Limit of 250 F Max on Control Rod Motor Temp Anticipated | Other |
ML20127J822 | 7 June 1985 | Xcel Energy Warembourg D | Informs of Acceptability of Devcon 5-minute Epoxy for Use in Cementing Resistance Temp Detector Temp Sensors to CRD Cavity & Motor,Based on Test & Inservice Exposure of Epoxy to High Temps | Other |
ML20127L885 | 13 June 1985 | Xcel Energy Warembourg D | Forwards Results of Engineering Evaluation of Design Changes Introduced in CRD & Orifice Assembly Bearings.Physical Comparison Testing of Original & Replacement Shim Motor Bearings Underway to Establish Operating/Design Margins | Other |
ML20127N695 | 14 June 1985 | Xcel Energy Brey H | Elaborates on Util Commitments to Listed Plant Activities, Including CRD Mechanism Temp Recording,Requalification, Surveillance & Preventative Maint,Backup Reactor Shutdown Procedure,Tendons & Pcrv Integrity & Electrical Sys | Other |
ML20209E899 | 25 June 1985 | Xcel Energy Lee O | Discusses Status of CRD & Orificing Assembly (Crdoa) Refurbishment Efforts.First 37 Crdoas Refurbished & Installed.Summary of Design Changes & Test Results Encl | Other |
ML20132C948 | 1 July 1985 | INC. EG&G IDAHO Barnes B | Evaluation of CRD Orifice Assembly Bearing Rept from Public Svc Co of Co | Other |
ML20132E623 | 3 July 1985 | Xcel Energy Lee O | Forwards Interim Tech Specs for Reactivity Control Sys.Tech Specs Will Provide Basis for Program to Assure CRD & Reserve Shutdown Sys Reliability.Specs Include Change to Criteria for Insertion of Reserve Shutdown Matl | Other |
ML20132C939 | 12 July 1985 | Johnson E NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) | Forwards Eg&G 850701 Evaluation of CRD Orifice Assembly Bearing Rept from Public Svc Co of Co, Per Util 850613 Submittal.Installed Bearings Acceptable Replacements for Original Design.Review of 850607 Submittal Also Encl | Approval |
ML20134E865 | 17 July 1985 | Xcel Energy | Issue 1 to Procedure SR-TE-9-X, Inserted Rod Position Verification | Other |
ML20134E860 | 31 July 1985 | Xcel Energy Gahm J | Forwards Issue 1 to Procedure SR-TE-9-X, Inserted Rod Position Verification, in Response to Concerns Discussed at 850221 Meeting & in | Meeting |
ML20138Q922 | 19 December 1985 | Xcel Energy Warembourg D | Informs of Inability to Meet 851230 Completion Date of High temp,300 F,Crd Mechanism Test & Preliminary Evaluation,Due to Difficulties,Including Orifice Valve on Mechanism.Final Rept Will Be Submitted by 860331 | Other |
ML20197D441 | 7 May 1986 | Office of Nuclear Reactor Regulation Heitner K | Forwards Request for Addl Info Re Util Submittals Concerning Corrosion Due to Chloride Contamination,For Response within 45 Days of Ltr Date | RAI |
ML20199D341 | 11 June 1986 | Office of Nuclear Reactor Regulation Heitner K | Forwards Evaluation of Util Response to 851003 Review of Performance Enhancement Program.Method Should Be Provided to Confirm Functional Acceptability of Equipment Prior to Return to Svc | Approval |
ML20203J815 | 31 July 1986 | Office of Nuclear Reactor Regulation Heitner K | Forwards Request for Addl Info Re Corrosion Due to Chloride Contamination.Response Requested within 45 Days of Ltr Date | RAI |
ML20209H474 | 8 September 1986 | Xcel Energy Warembourg D | Forwards Response to 860731 Request for Addl Info Re 850318 & 26 Chloride Repts.Items Susceptible to Stress Corrosion Identified & Results of Metallographic Exam of Bolts Discussed | Request |
ML20214A014 | 13 November 1986 | Office of Nuclear Reactor Regulation | Safety Evaluation Re Util Evaluation of Chlorine Release Into Primary Coolant Sys.Evaluation Provides Useful Info That Could Be Used to Reduce chloride-induced Corrosion of Reactor Components | Approval |
ML20214A001 | 13 November 1986 | Office of Nuclear Reactor Regulation Heitner K | Forwards Safety Evaluation Re 850131,0318 & 26 & 860709 Submittals Concerning Chlorine in Primary Coolant Sys. Util Evaluation Provides Useful Info That Could Be Used to Reduce chloride-induced Corrosion of Reactor Components | Approval |
ML20207S546 | 11 March 1987 | Office of Nuclear Reactor Regulation Heitner K | Forwards Safety Evaluation Supporting Util 850131,0318 & 26 & 860709 Submittals Re Corrosion Effects of Chlorine in Primary Coolant Sys | Approval |
ML20206B330 | 6 April 1987 | Berkow H Office of Nuclear Reactor Regulation | Requests Fr Publication of Notice of Issuance of Amend 52 to License DPR-34,increasing Circular Speed High Steam Trip Setting Listed in Table 4.4-3 of Tech Specs | Approval |
ML20206J933 | 6 April 1987 | NRC | Safety Evaluation Supporting Amend 52 to License DPR-34 | Approval |
ML20206J841 | 6 April 1987 | Berkow H Office of Nuclear Reactor Regulation | Amend 52 to License DPR-34,increasing Circulator speed-high Steam Trip Setting Listed in Table 4.4-3 of Tech Specs | Other |
ML20206J748 | 6 April 1987 | Office of Nuclear Reactor Regulation Heitner K | Forwards Amend 52 to License DPR-34 & Safety Evaluation. Amend Increases Circulator speed-high Steam Trip Setting in Table 4.4-3 of Tech Specs | Approval |