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Diablo Canyon Power Plant, Unit Nos. 1 and 2 - Request for Withholding Information From Public Disclosure, affidavit Dated December 4, 2019, executed by Maureen R. Zawalick, regarding Site-Specific Decommissioning Cost Estimate (EPID L-2019-LLL-0005)

January 16, 2020 Mr. James M. Welsch Senior Vice President, Generation and Chief Nuclear Officer Pacific Gas and Electric Company Diablo Canyon Power Plant P.O. Box 56, Mail Code 104/6 Avila Beach, CA 93424 SUBJECT: DIABLO CANYON NUCLEAR POWER PLANT, UNITS 1 AND 2 – R...

LER 82-007/01T-0:on 820717,during plant heatup from refueling outage,primary to secondary leak in A steam generator confirmed.Caused by defective weld.Leaking welded plug removed & mechanical plug installed.

NRC FORM 366U. S. NUCLEAR REGULATORY COMMISSION(7 71)LICENSEE EVENT REPORTCONTROL BLOCK: | | | | | ||h(PLEASE PRINT OR TYPE ALL REQUIREO INFORMATION),1 6|S | C | H |B |R |2 [g| 0| 0| -| 0 | 0| 0| 0| 0 | -| 0 | 0|@| 4 | 1 | 1 | 1| 1 |@|||g o 17 8 9 LICENSEE CODE14 15 LICENSE NU...

Requests addl info re GL 95-07, "Pressure Locking & Thermal Binding of Safety-Related Power-Operated Gate Valves," for plant,unit 1.Response should be submitted within 30 days.

M-. Oliver D. Kingsl eJr.`r'esident, TVA Nucle ~WndChief Nuclear OfficerTennessee Valley Authority6A Lookout Place1101 Market StreetChattanooga, Tennessee 37402-2801June 28, 19 tSUBJECT: WATTS BAR UNIT 1 - REQUEST FOR ADDITIONAL INFORMATION - GENERICLETTER 95-07, "PRESSURE LOC...

Watts Bar Nuclear Plant (WBN) - Unit 1 Supplement to WBN-TS-09-11, Proposed change to TS 3.6.3, Containment Isolation Valves, Regarding Position Verification Requirements (TSTF-269-A, TSTF-45-A, and TSTF-440-A).

July 10, 2009 10 CFR 50.90 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555-0001 Gentlemen: In the Matter of ) Docket No. 50-390 Tennessee Valley Authority ) WATTS BAR NUCLEAR PLANT (WBN) – UNIT 1 – SUPPLEMENT TO WB...

12/16/2010 Notice of Forthcoming Meeting with Tennessee Valley Authority to Discuss Watts Bar Nuclear Plant, Unit 2, Final Safety Analysis Report Related to Section 7 Instrumentation and Controls.

December 2, 2010 MEMORANDUM TO: Stephen J. Campbell, Chief Watts Bar Special Projects Branch Division of Operating Reactor Licensing FROM: Justin C. Poole, Project Manager /RA/ Watts Bar Special Projects Branch Division of Operating Reactor Licensing SUBJECT: ...

06/02/2011 Notice of Meeting with Tennessee Valley Authority to Discuss Watts Bar Nuclear Plant, Unit 2, Final Safety Analysis Report Related to Section 7 Instrumentation and Control.

MEMORANDUM TO: FROM: SUBJECT: DATE &TIME: PURPOSE: LOCATION: CATEGORY 1:* PARTICIPANTS: UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 May 23, 2011 Stephen J. Campbell, Chief Watts Bar Special Projects Branch Division of Operating Reactor Licensing ...

03/03/2011 Notice of Meeting with Tennessee Valley Authority to Discuss Watts Bar Nuclear Plant, Unit 2, Final Safety Analysis Report Submittals Related to Section 7 Instrumentation and Control.

February 18, 2011 MEMORANDUM TO: Stephen J. Campbell, Chief Watts Bar Special Projects Branch Division of Operating Reactor Licensing FROM: Justin C. Poole, Project Manager /RA/ Watts Bar Special Projects Branch Division of Operating Reactor Licensing SUBJECT:...

Unistar Nuclear - Calvert Cliffs Power Plant Unit 3 COLA (Geotech Data Report), Rev. 6 - Geotechnical Subsurface Investigation Data Report - Schnabel, 2007a - Binder 3 - Part 32 - TP-B-334 D6.0 to TP-B-716 D6.0

0.01iSlt#.tJ~::i~~~i:··.;· ,.: J1'~:. '::, .<,. ." . ". . -. -i";":'"SAND:"! ."- ' .. -. ....... ".- - : : '.':.' 10'Coiistenatib~Eiiergy'Gr6ll:p'CPLAPTojett, ,.' C6tlffa.etNi);:: '0611fJ04~;()qn,t~:vert ClitTs'NuclearPo\ver Plant (CCNPP), :;;c;~V,ert~?~Ifty, ~I~d,3"·CR4DATiON...

2010/02/05 Vogtle RAI for SER - REQUEST FOR ADDITIONAL INFORMATION LETTER NO. 048 RELATED TO SRP SECTION 6.4 FOR THE VOGTLE ELECTRIC GENERATING PLANT, UNITS 3 AND 4 COMBINED LICENSE APPLICATION

1VogtlecolRAIsPEm ResourceFrom: Habib, DonaldSent: Friday, February 05, 2010 8:08 AMTo: VogtlecolRAIsPEm ResourceSubject: REQUEST FOR ADDITIONAL INFORMATION LETTER NO. 048 RELATED TO SRP SECTION 6.4 FOR THE VOGTLE ELECTRIC GENERATING PLANT, UNITS 3 AND 4 COMBINED LICENSE APPLI...

Provides observations of 770627 tour of licensee Rare Earth plant in continuing effort to maintain status of facility. ATCOR,Inc contracted to remove high concentration source matl residues & equipment from waste disposal area.

rpl*~,/_ ,_5* *# 880gUNITED STATES\'sNUCLEAR REGULATORY COMMISSIONj$REGloN1115 -f *f799 ROOSEVELT RO AD#fCLEN ELLYN. ILLINOIS 60137#.....'June 29, 1977.MEMORANDUM FOR: Region III FilesWeidag THRU:G. T. Lonergan, Chief, Materials RadiologicaProtection SectionFROM: C. T. Oberg, ...

LER 92-004-01:on 920730,RWCU sys isolated during Substation E7 de-energization due to personnel error.Preparation of project plan for development of electrical load list using plant staff resources underway.W/930730 ltr.

l..w ;. ;.c , m.;.Carolina Power & Light CompanyESGN#mmeilmiluuslEmmanumsBrunswick Nuclear PlantP. O. Box 10429Southport, N.C. 28461-0429JUL 301993FILE: B09-13510C 10CFR50.73SERIAL: BSEP-93-0121U.S. Nuclear Regulatory CommissionATTN: Document Control DeskIWashington, D. C. 205...

Documents further info re mgt svcs agreement w/util for nuclear operational support at CPS.Status of NRC licensee responsible for operation of plant,confirmed.Encl ltr of intent & agreement should be withheld from public.W/o encls.

. . . , . . . . . .. . . .. . - -- - - - -|..,'3anoes Power Compa'iy'h*,*eChnton Power Station**P o Bon 678 ,Cunton el 61727Tel 717 935-6220,rar ?!?9354632PGWER **"" aa=*aAssistant Vice President - Naclearsn me comes,U-602918I A.120January 23,1998.Docket No. 50-46110CFR50.8010...

LER 89-013-00:on 890302,all intermediate-range channels declared inoperable because weekly channel functional surveillance could not be performed due to plant conditions. Caused by personnel error.Personnel counseled.W/890328 ltr.

. _ _ _ _ . _ _ _ _ _ _ _ _ _ _ _ _ . _ _ _ _eN .C Form 3e6 U.S. NUCLEAR f.EGULATDXY COMMISSIONAPPLOYED OM8 NO. 2100-0104' *LICENSEE EVENT REPORT (LER)ExP'at8 US'''p.t.CILITY NAME (1) DOCKET NUMSER (2)PAGE (3)Clinton Power Station0 |5 | 0 |0 | 0141611 1 |OF| 0 | 4" ' ' ' ' ' '...

LER 88-016-00:on 880701,degraded voltage protection outside design basis of plant due to design deficiencies.Caused by design error.Plant mod performed to change time delay setting.W/880801 ltr.

|l%5D v4 e6ctsaa neewtAt$qv coasses.ossw6nec s'.. ans' *'3'. *Sovi P Des = *Ap moy00 case a o a1te-Cite. ." ' ' * " ' ' " ' " ' ' * " ' ' ' ' * *LICENSEE EVENT REPORT (LER)r .. or.casse,imamea ais aciur, . . n,Peach Bot tom Atomic Power Station - Unit 2015 t o 10 l e | 21 7| 7...

Safety Insp Rept 50-445/87-26 on 871007-1103.No violations or deviations noted.Major areas inspected:actions on previous insp findings,generic ltr followup,preoccupational testing program,fire protection insp/audit & plant tours.

..I.'''<)I$U. S.. NUCLEAR REGULATORY COMMISSION-OFFICE'OF SPECIAL PROJECTSlNRC Inspection Report:50-445/87-26Permit: CPPR-126Docket: 50-445 Category: A2Construction Permit,Expiration:Date:L|Unit'1: August:1, 1988'Applicant: TU ElectricSkyway Tower400 North Olive StreetLock Box...

Diablo Canyon Nuclear Power Plant, Units 1 and 2 - Regulatory Audit Summary Regarding License Amendment Request to Revise Technical Specification for Use of Full Spectrum Loss-of-Coolant Accident Methodology (EPID L-2018-LLA-0730)

October 11, 2019 Mr. James M. Welsch Senior Vice President, Generation and Chief Nuclear Officer Pacific Gas and Electric Company Diablo Canyon Nuclear Power Plant P.O. Box 56, Mail Code 104/6 Avila Beach, CA 93424 SUBJECT: DIABLO CANYON NUCLEAR POWER PLANT, UN...

Responds to Suppl 4 to Generic Ltr 88-20, "Individual Plant Exam of External Events for Severe Accident Vulnerabilities." Fire PRA will be performed using guidance in NUREG/CR-1407 & NUREG/CR-2300.

ACCELERATED DIS UTION DEMONSTPTION SYSTEMREGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)ACCESSION NBR: 9201060259 DOC. DATE: 91/12/26 NOTARIZED: YESFACIL:50-244 Robert Emmet Ginna Nuclear Plant, Unit1,Rochester GAUTH.NAME AUTHOR AFFILIATIONMCCREDY,R.C. Rochester Gas 6 Electr...

Comanche Peak Nuclear Power Plant, Units 1 and 2 - Interim Staff Response to Reevaluated Flood Hazards Submitted in Response to 10 CFR 50.54(f) Information Request - Flood-Causing Mechanism Reevaluation.

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 Mr. Ken J. Peters Senior Vice President and Chief Nuclear Officer (Acting) Attention: Regulatory Affairs Luminant Generation Company, LLC P.O. Box 1002 Glen Rose, TX 76043 February 11, 2016 SUBJECT: COMANC...

2009/11/30 Levy County RAI for SER - Request for Additional Information Letter No. 075 Related To SRP Section 09.05.02 for The Levy County Nuclear Plant Units 1 and 2 Combined License Application

1LevyCountyRAIsPEm ResourceFrom: Simms, TanyaSent: Monday, November 30, 2009 2:20 PMTo: LevyCountyRAIsPEm ResourceSubject: Request for Additional Information Letter No. 075 Related To SRP Section 09.05.02 for The Levy County Nuclear Plant Units 1 and 2 Combined License Applica...

2010/03/16 Levy County COL - REQUEST FOR ADDITIONAL INFORMATION LETTER NO. 085 RELATED TO SRP SECTION 3.7.2 FOR THE LEVY COUNTY NUCLEAR PLANT, UNITS 1 and 2 COMBINED LICENSE APPLICATION

1PMLevyCOLPEm ResourceFrom: Spicher, TerriSent: Tuesday, March 16, 2010 1:40 PMTo: RidsNroDnrlNwe1 Resource; RidsNroLAKGoldstein Resource; RidsOgcMailCenter Resource; RidsAcrsAcnw_MailCTR Resource; RidsRgn2MailCenter Resource; Hughes, Brian; Simms, Tanya; Anderson, Brian; Coma...

2008/05/27- NRC Staff Prefiled Hearing Exhibit NRC000031, Letter from J.A. Miller, Senior Vice President, Nuclear Development, Southern Nuclear Operating, Inc., to NRC Staff 5-27-08, w/ attachment Impingement and Entrainment Monitoring at Plant Vogtle.

J. A. "Buzz" MillerSenior Vice PresidentNuclear DevelopmentSouthern NuclearOperating Company, Inc.40 Inverness Center ParkwayPost Office Box 1295Birmingham, Alabama 35201Tel 205.992.5754Fax 205.992.6165Energy to Serve Your WorldMAY 2 7 2008Docket No.: 52-011AR-08-0834U.S- Nucl...

Shearon Harris Nuclear Plant, Unit 1 - Supplemental Information Needed for Acceptance off Requested Licensing Action Regarding Modification To Reactor Trip System and Engineered Safety Features Actuation System Instrumentation Trip .....

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 Ms. Tanya M. Hamilton Site Vice President Shearon Harris Nuclear Power Plant Duke Energy Progress, LLC 5413 Shearon Harris Road M/C HNP01 New Hill, NC 27562-0165 September 6, 2018 SUBJECT: SHEARON HARRIS N...

LER 86-028-00:on 860818,high radiation area door not locked per Tech Spec 6.12.2.Caused by damaged lock mechanism.Latch replaced,other locked entrances inspected & plant personnel instructed in operation of locks.W/860917 ltr.

;.NRC Form 384U S. NUCLEAA L E1ULATORY COMMISSIONAPPROVED OME NO.3154 010sLICENSEE EVENT REPORT (LER)E m REs atti mF ACILITY NAME (1) DOCKET NUMSER (2)PAGE 43)o |5 | 0 [o | o |4 18 1 3 1 |OF| 0 | 3Callaway Plant Unit 1" ' ' ' ' 'Lock Mechanism Failure Results in High Radiation...

Letter forwarding reply to question four of NRC Staff's request for additional information regarding license transfer application for James A. Fitzpatrick Nuclear Power Plant and Indian Point 3 Nuclear Generating Unit No. 3.

123 Main Street White Plains, New York 10601 914 681.6950 914 287.3309 (Fax)OW NewYorkPower 4 AuthorityJames Knubel Senior Vice President and Chief Nuclear OfficerJune 13, 2000 JPN-00-018 IPN-00-044U.S. Nuclear Regulatory Commission Washington, D.C. 20555-0001 ATTN: Document C...