Authorizes Release of Input Data Files for Plant PRA Study Conducted by Sandia to State of Il,Per 920429 Telcon.Util Does Not Fully Endorse Use of Data Since Info Does Not Reflect Current Plant Design & Performance| ML20096C913 |
| Person / Time |
|---|
| Site: |
LaSalle  |
|---|
| Issue date: |
05/05/1992 |
|---|
| From: |
Piet P
COMMONWEALTH EDISON CO. |
|---|
| To: |
Niziolek F
ILLINOIS, STATE OF |
|---|
| References |
|---|
| NUDOCS 9205150032 |
| Download: ML20096C913 (1) |
|
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|---|
Category:CORRESPONDENCE-LETTERS
MONTHYEARML20217H4661999-10-18018 October 1999
Forwards Changes to EPIPs IAW 10CFR50.54(q) & 10CFR50,App E, Section V.Details of Changes Encl
ML20217H6341999-10-15015 October 1999
Requests Renewal of Operator Licenses for Listed Personnel. Current Licenses for Kh Curran,Lm Gerlach,Rc Weber & Bt Rhodes Will Expire in Nov 1999.Proprietary NRC Form 398 & NRC Form 396 Encl.Proprietary Info Withheld
ML20217H6251999-10-15015 October 1999
Requests Renewal of Operator Licenses for Listed Personnel. Current Licenses for MR Kahn,Aj Mclaughlin,De Montgomery & Kr Murphy Will Expire in Nov 1999.Proprietary NRC Form 398 & NRC from 396 Encl.Proprietary Info Withheld
ML20217F4301999-10-14014 October 1999
Responds to 991012 Rai,Based on 991001 Telcon Re Suppl to Request for TS Change to Revise MCPR Safety Limit & Add Approved Siemens Topical Rept for LaSalle County Station, Unit 1
ML20217D3191999-10-12012 October 1999
Submits Request for Addl Info Re Licensee 990707 Proposed License Amend to Revise Min Critical Power Ratio.Listed Questions Were Discussed with Util in 991001 Telcon
ML20217C1671999-10-0808 October 1999
Provides Suppl to RAI for Approval of Unreviewed Safety Question Re Assessment of Certain safety-related Concrete Block Walls at LaSalle County Station,Units 1 & 2
ML20217A7601999-10-0606 October 1999
Forwards Insp Repts 50-373/99-15 & 50-374/99-15 on 990729-0916.One Violation of NRC Requirements Occurred & Being Treated as Ncv,Consistent with App C of Enforcement Policy
ML20212M0931999-10-0404 October 1999
Refers to 990922-23 Meeting Conducted by Region II at LaSalle Nuclear Power Station.Purpose of Visit,To Meet with Licensee Risk Mgt Staff to Discuss Util Initiatives in Risk Area & to Establish Dialog Between SRAs & Risk Mgt Staff
05000373/LER-1999-003, Forwards LER 99-003-00 IAW 10CFR50.73(a)(2)(iv).Commitments for Submittal Also Encl1999-10-0404 October 1999
Forwards LER 99-003-00 IAW 10CFR50.73(a)(2)(iv).Commitments for Submittal Also Encl
ML20216J8241999-09-30030 September 1999
Notifies of Removal of NRC Headquarters & Region III Offices from Controlled Copy Distribution of Certain CE Documents. Specific Documents,Associated Controlled Copy Numbers & NRC Location Affected Are Shown on Attachment to Ltr
ML20217A6201999-09-30030 September 1999
Advises of NRC Plans for Future Insp Activities at Facility for Licensee to Have Opportunity to Prepare for Insps & to Provide NRC Feedback on Any Planned Insps Which May Conflict with Plant Activities.Plant Issue Matrix & Insp Plan Encl
ML20212E7171999-09-22022 September 1999
Forwards RAI Re Requesting Approval of License Amend to Use Different Methodology & Acceptance Criteria for Reassessment of Certain Masonry Walls Subjected to Transient HELB Pressurization Loads
05000374/LER-1999-002, Forwards LER 99-002-00,IAW 10CFR50.73(a)(2)(iv).Commitments Made by Util Are Encl1999-09-20020 September 1999
Forwards LER 99-002-00,IAW 10CFR50.73(a)(2)(iv).Commitments Made by Util Are Encl
ML20212C0591999-09-17017 September 1999
Informs That NRC Reviewed Licensee Justifications for Deviations from NEDO-31558 & Determined That Justifications acceptable.Post-accident Neutron Flux Monitoring Instrumentation Acceptable Alternative to Reg Guide 1.97
ML20212A3581999-09-13013 September 1999
Confirms That Fuel MCPR Data for LaSalle County Station,Unit 1,Cyle 9,sent by Ltr Meets Condition 2,as Stated in 970509 NRC Ltr
ML20211Q9911999-09-10010 September 1999
Informs That License SOP-4048-4,for Wp Sly May Be Terminated Due to Individual Retiring
ML20212A1141999-09-10010 September 1999
Forwards RAI Re Licensee 990519 Amend Request,Which Proposed to Relocate Chemistry TSs from TS to licensee-controlled Documents.Response Requested by 990930,so That Amend May Be Issued to Support Upcoming Unit 1 Refueling Outage
ML20211P2211999-09-0808 September 1999
Forwards Insp Repts 50-373/99-14 & 50-374/99-14 on 990809- 13.No Violations Noted.Insp Concluded That Emergency Preparedness Program Maintained in Good State of Operational Readiness
ML20212A8571999-09-0707 September 1999
Informs That Proprietary Document, Power Uprate SAR for LaSalle County Station,Units 1 & 2, Rev 2,Class III, NEDC-32701P,submitted in ,Marked Proprietary,Will Be Withheld from Public Disclosure,Per 10CFR2.790(b)(5)
ML20211Q6861999-09-0606 September 1999
Informs That NRC Tentatively Scheduled Initial Licensing Exam for Plant License Applicants During Wks of 001113 & 20. Validation of Exam Will Occur at Station During Wk of 001023
05000374/LER-1999-001, Forwards LER 99-001-00,IAW 10CFR50.73(a)(2)(i).Commitments Made by Util Are Encl1999-09-0303 September 1999
Forwards LER 99-001-00,IAW 10CFR50.73(a)(2)(i).Commitments Made by Util Are Encl
ML20211M1151999-08-31031 August 1999
Requests That Following Eleven Individuals Take BWR Gfes of Written Operator Licensing Exam to Be Administered on 991006
ML20211G1831999-08-27027 August 1999
Provides Addl Clarification of Proposed Refueling Practices Under Proposed Core Alterations Definition Re 990813 Application for Amend to TS
ML20211G1221999-08-27027 August 1999
Forwards fitness-for-duty Program Performance Data for Each of Comm Ed Nuclear Power Stations & Corporate Support Employees within Scope of Rule for six-month Period Ending 990630,IAW 10CFR26.71(d)
ML20211F8731999-08-25025 August 1999
Forwards Insp Repts 50-373/99-13 & 50-374/99-13 on 990804-06 & 09-11.No Violations Noted.Fire Protection Program Strengths Includes Low Number of Fire Protection Impairments & Excellent Control of Transient Combustibles
ML20210U3201999-08-17017 August 1999
Forwards Insp Repts 50-373/99-12 & 50-374/99-12 on 990623-0728.No Violations Noted
ML20210N5651999-08-0606 August 1999
Forwards Rev 8 to Nuclear Generating Stations Emergency Plan, for Plants.With Summary of Changes
ML20210M9131999-08-0202 August 1999
Forwards Response to NRC AL 99-02, Operating Reactor Licensing Action Estimates, for Fys 2000 & 2001 for Comed
05000373/LER-1999-002, Forwards LER 99-002-00,IAW 10CFR50.73(a)(2)(i).Commitments Made by Util Are Listed1999-07-23023 July 1999
Forwards LER 99-002-00,IAW 10CFR50.73(a)(2)(i).Commitments Made by Util Are Listed
ML20210E0501999-07-22022 July 1999
Submits Summary of 990630 Management Meeting Re Licensee Performance Activities Since Start Up of Unit 2.List of Attendees & Matl Used in Presentation Enclosed
ML20210B7071999-07-16016 July 1999
Responds to Requesting Review & Approval of Three Proposed Changes to Ceco QA TR,CE-1A Per 10CFR50.54(a)(3) & 10CFR50.4(b)(7)
ML20209H5171999-07-15015 July 1999
Discusses 990701 Telcon Re Arrangements for NRC to Inspect Licensed Operator Requalification Program at LaSalle County Nuclear Generating Station for Weeks of 990913,1018 & 1129
ML20209G4031999-07-14014 July 1999
Forwards Insp Repts 50-373/99-11 & 50-374/99-11 on 990614-18.No Violations Noted
ML20209E1211999-07-14014 July 1999
Submits mid-cycle Rev of COLR IAW LaSalle County Tech Spec 6.6.A.6.d.Rev to COLR Was Necessary Due to Implementation of TS Change Approved by Ltr Dtd 990212,which Changed Turbine Stop Valve & Turbine Control Valve Scram
ML20209F6931999-07-13013 July 1999
Forwards Insp Repts 50-373/99-04 & 50-374/99-04 on 990513-0622.No Violations Noted.Determined That Multiple Challenges to Main Control Room Operators Occurred During Insp Period Due to Human Performance Weaknesses
ML20210C1521999-07-0909 July 1999
Forwards Post-Outage (90 Day) Summary Rept for ISI Examinations & Repair/Replacement Activities Conducted from Beginning of First Insp Period of Second ten-yr Insp Interval Through L2R07 Refueling Outage
ML20209G3901999-07-0909 July 1999
Informs NRC of Status of Commitments & Requests NRC Concurrence for Use of ASME Section III App F Acceptance Criteria to Permanently Qualify Units 1 & 2 Penetrations M-49 & M-50
ML20209E0341999-07-0909 July 1999
Provides NRC with Siemens Power Corp (SPC) Fuel & GE Fuel MCPR Data for LaSalle Unit 1 Cycle 9.LaSalle Unit 1 Is Currently Scheduled to Start Cycle 9 in 991101
ML20209E0361999-07-0808 July 1999
Forwards LaSalle County Station Unit 2 Cycle 8 Startup Test Rept Summary,Iaw TS NPF-18,Section 6.6.A.1.Startup Test Program Was Satisfactorily Completed on 990501
ML20196J9131999-07-0101 July 1999
Submits Status of Nuclear Property Insurance Currently Maintained for Braidwood,Byron,Dresden,Lasalle County,Quad Cities & Zion Nuclear Power Stations,Per 10CFR50.54(w)(3)
ML20196J9061999-07-0101 July 1999
Provides Evidence That Util Maintains Guarantee of Payment of Deferred Premiums in Amount of $10 Million for Each of Thirteen Reactors,Per 10CFR140.21
ML20209B8241999-06-30030 June 1999
Forwards Five 3.5 Inch Computer Diskettes Containing Revised Annual Dose Repts for 1994 Through 1998 for Individuals Receiving Neutron Dose Not Previously Included in Reported Total Effective Dose Equivalent Values.Without Diskettes
ML20196J4711999-06-30030 June 1999
Discusses Closure of GL 92-01,Rev 1,Suppl 1, Rv Structural Integrity, Issued on 950519 to Plant,Units 1 & 2
ML20212J0311999-06-21021 June 1999
Informs of Actions Taken to Close Remaining Open Items in .Attachment Provides Detailed Justification for Closure of Open Items in Sections 5.2.2 & 5.2.8
ML20196B1951999-06-18018 June 1999
Informs NRC That Do Werts,License OP-30373-2,no Longer Requires Use of NRC License for LaSalle County Station. License May Be Terminated
ML20195J7761999-06-15015 June 1999
Submits Request Relief CR-23,requesting Relief from Code Required Selection & Examinations of Noted Integral Attachments & Proposes to Utilize Alternative Selection & Examination Requirements Similar to Code Case N-509
ML20196G8021999-06-15015 June 1999
Requests Renewal of SRO License for Vv Masterson.Current License for Vv Masterson Will Expire Jul 1999.NRC Forms 398 & 396,encl.Without Encls
ML20195G7101999-06-11011 June 1999
Informs That Effective 990514,GH Mccallum,License SOP-31412, No Longer Requires Use of NRC License for LaSalle Station. License Should Be Terminated
ML20195D6351999-06-0404 June 1999
Notifies NRC of Actions That Has Been Taken in Accordance with 10CFR26, Fitness for Duty Programs
ML20207D2821999-05-27027 May 1999
Requests That Implementation Date for Unit 1 Be Changed Prior to Startup for L1C10 to Allow Best Allocation of Resources to Implement Unit 1 Amend Prior to Startup for Either L1C9 or L1C10.Unit 2 Will Implement Mod IAW Request
1999-09-08
[Table view]
Category:EXTERNAL CORRESPONDENCE
MONTHYEARML20096C9131992-05-0505 May 1992
Authorizes Release of Input Data Files for Plant PRA Study Conducted by Sandia to State of Il,Per 920429 Telcon.Util Does Not Fully Endorse Use of Data Since Info Does Not Reflect Current Plant Design & Performance
ML20072J4951983-06-23023 June 1983
Advises That DOE Will Respond to Requests for Emergency Radiological Assistance from Licensees,Federal,State & Local Agencies,Private Organizations or Individuals Involved in Incident Involving Source,Byproduct or SNM
ML20067C1831982-11-24024 November 1982
Forwards Addl Matl Tests Received on 821119 from Region 3 Supplementing Matl Addressed in Independent HVAC Review Final Rept, Oct 1982.Data Reviewed by Welding & Matl Specialists.Comments Encl
ML20023D1961982-10-27027 October 1982
Forwards Vols 1-4 to Independent HVAC Review,Lasalle County Nuclear Plant, Final Rept
ML20023D1721982-09-15015 September 1982
Forwards LaSalle County Station Independent HVAC Review, Interim Rept.Rept Also Sent to Jg Keppler
ML20023D1451982-08-27027 August 1982
Forwards Rev 0 to Assessment of Stitch Weld Strength in HVAC Ductwork Const,Lasalle County Station Units 1 & 2. QC Rejectable Welds Have Sufficient Strength to Meet Design Requirements of HVAC Ductwork & Need Not Be Repaired
ML20054H5491982-06-18018 June 1982
Forwards Addendum to Independent Design Review,La Salle County Nuclear Station Unit 1, Final Rept.Distribution List Submitted
ML20080E6911980-08-20020 August 1980
Forwards Audit Trend Analysis Rept.Vendor Requested to Respond to Trends Identified within Summary & Conclusion, Indicating Corrective Actions to Prevent Reoccurrence.Dates When Corrective Actions Will Be Completed Also Requested
1992-05-05
[Table view] |
Text
_ _ _ _ .. _
, e Ocmmtnnealth Edisen j
, -- - 1400 Opus Place ,
Downers Grovo, Illinois 6051$ l May 5,1992 Mr. Frank Niziolek, Head l Reactor Safety Section j Department of Nuclear Safety 1035 Outer Park Drive Springfield, ll 62704
Subject:
Commonwealth Edison Release of LaSalle County Station Nuclear Regulatory Commission Probabilistic Risk Assessment (PRA) Data to IDNS l
Reference:
(a) F. Nizlolek memo to P. Piet, dated January 30,1992.
-(b) Teleconference between R. Barrett (NRC) and T. Schuster (CECO), dated April 29,1992.
(c) P. Piet memo to F. Nltiolek, dated March 23,1992. ,
in the Reference (a) memo, the Illinois Department of Nuclear Safety (IDNS) requested authorization from Commonwealth Edison (CECO) to obtain from Sandla National Laboratory (SNL) the input data files for LaSalle's PRA study. This study is ;
)- being performed for the NRC by SNL.
As a result of the Reference (b) conversations hold between CECO and the NRC, Commonwealth Edison hereby authorizes release of the aforementioned information to IDNS for their use. As indicated in Reference (c), CECO does not fully endorse the use of this data, since this information does not reflect the current plant design and performance. In addition, we do not feel obligated to respond to any results obtained as a result of the release of this data. .
'If there are any questions or concerns regarding this matter, Please contact this office.
Sincerely, L ,
eter L. Piet 4
l: Nuclear Licensing Administrator l
l cc: R.-Barrett - Project Director, NRR b kDoh O!bbo!73 0 i PDR f, ; . g 4 .,_ ,
/ sci:116d49
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