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Diablo Canyon Power Plant, Unit 1

Location: Avila Beach, CA (12 miles WSW of San Luis Obispo, CA); Region IV; Type: Westinghouse Four-Loop; Licensed MWt: 3304

Diablo Canyon Power Plant, Unit 2

Location: Avila Beach, CA (12 miles WSW of San Luis Obispo, CA); Region IV; Type: Westinghouse Four-Loop; Licensed MWt: 3468

Diablo Canyon, Units 1 and 2 - Request for One-Time Exemption from 10 CFR 50.71(e)(4) UFSAR and TS Bases Update Requirements

P Pa ula Gerfen Site Vice President Diablo Canyon Power Plant Mail code 104/6/605 P.O. Box 56 Avila Beach, CA 93424 805.545.4596 I nternal: 691.4596 Fax: 805.545.4234 A m em ber of the STARS Alliance CALLAWAY x DIABLO CANYON x PALO VERDE x WOLF CREEK May 14, 20...

Forwards Rev 1 to "Diablo Canyon Unit 1 IDVP Verification of Corrective Action:Large Bore Piping," interim Technical Rept 59.

Accss'(ioN NBR:ssFACIL:50"275 DiAUTH~NAMEDENISONiE ~REC IP, NAMF-DENTONrH~R ~MANEATISs as:a. l5 Closed Itemb. 0 Deviationc. 0Open Item with future actionby PG~E: Task3. Date Reported to PG5ERh ldf TES5 i~l. S5. Resolution based on the following docum.ntation:EOI 967 Rev. 4: So...

Diablo Canyon, Units 1 & 2, License Amendments 96 & 95, Amendments Change TS 4.2.2, Heat Flux Hot Channel Factor - F(z), & 6.9.1.8, Core Operating Limits Report, to Implement Revised Methodology For Calculating Penalty to F (z).

October 31, 94 Mr. Gregory M. Rueger Nuclear Power Generation, B14A Pacific Gas and Electric Company 77 Beale Street, Room 1451 P.O. Box 770000 San Francisco, California 94177 SUBJECT: ISSUANCE OF AMENDMENTS FOR DIABLO CANYON NUCLEAR POWER PLANT, UNIT NO. 1 (TAC NO. M88828) AN...

Diablo Canyon, Units 1 and 2, Meeting to Discuss Basis for Request for Technical Specification Interpretation Regarding 230kV System Operability.

Pacific Gas andElectric Company® James R. Becker Diablo Canyon Power PlantSite Vice President Mail Code 104/5/601P 0. Box 56September 14, 2009 Avila Beach, CA 93424805.545.3462PG&E Le DCL-09-066 Internal: 691.3462Letter Fax: 805.545.6445U.S. Nuclear Regulatory CommissionATTN:....

Diablo Canyon, Units 1 and 2 - 04/26/1978 Letter Supplementing Information Regarding Functional Testing of Main Turbine Steam Inlet Valves Supplied in 04/11/1978 Letter.

REGULATORY INFGRi"lAT ION DISTRIBUTION SYSTEM (RIDS >DISTRIBUTION FQR INCGNING I'1ATERIAL 50- /323REC: STQLZ J FNRCGRG: CRANE P AP'AC'IFICGAS C. ELECDOCDATE: 04/26/78DATE RCUD: 05/02/7DOCTYPE: LETTER NOTARIZED:.NO COPIES RECEIVEDSUBJECT: LTR 1 EhlCL 0SUPPLENENTIMG APPLICANT"S ...

Petition for review of ASLB 830518 Decision ALAB-728,to establish schedule for briefing on issues raised & to reverse ASLAB rulings in ALAB-728.Certificate of Svc encl.

e*UNITED STATES OF AMERICA@2E[EDNUCLEAR REGUIA70RY CXNMISSION.,BEFORE THE COhMISSIONUN:34)In the Matter of))PACIFIC GAS AND ELECTRIC COMPANY) Docket Nos. 50-275 0.L.) 50-323 0.L.(Diablo Canyon Nuclear Power)Plant, Units 1 and 2)).)')-s,)JOINT INTERVENORS'PETITION FOR PEVIEW OF...

Diablo Canyon Nuclear Power Plant - Temporary Exemption from Biennial Emergency Preparedness Exercise Frequency Requirements of 10 CFR Part 50, Appendix E, Sections IV.F.2.b and IV.F.2.c (EPID L-2020-LLE-0111 [COVID-19]

September 18, 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 – TEMPORAR...

Request for Additional Information Related to the Review of the Diablo Canyon Nuclear Power Plant, Units 1 and 2, License Renewal Application (TAC Nos. ME2896 and ME2897) - Aging Management Programs.

June 29, 2010 Mr. John Conway Senior Vice President Generation and Chief Nuclear Officer Pacific Gas and Electric Company 77 Beale Street, MC B32 San Francisco, CA 94105 SUBJECT: REQUEST FOR ADDITIONAL INFORMATION RELATED TO THE REVIEW OF THE DIABLO CANYON NUCLEAR POWER...

"Preliminary Site Selection Study Proposed Shootering Canyon Uranium Project,Utah," final rept.

- _ _. _ . . _.. _ _ _ _. _ . _ __.___yO O'Final Ropertn's1p -70 9eWilk8 to-317))giesO-(,2ofgsc !-.e11 ' %:1em)*eti d,3,1l ebla o= pt o,q,u.5 Tjg;V)e+~>)Preliminary Site Selection Study)Proposed Shootering CanyonUranium Project, Utahfor)Plateau Resources LtdGrand Junction, Col...

Diablo Canyon Power Plant, Units 1 and 2 - License Amendment Request for Approval of the Cyber Security Plan (TACs ME2667 and ME2668).

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 May 24, 2010 Mr. John T. Conway Senior Vice President - Energy Supply and Chief Nuclear Officer Pacific Gas and Electric Company Diablo Canyon Power Plant 77 Beale Street, Mail Code B32 San Francisco, CA...

Forwards Joint Intervenors 850724 application for stay. Limited stay of 1 wk requested to permit filing of application to US Court of Appeals for emergency stay of license pending appeal.

CENTER FOR lawIN THE Pusuc INTEREST'"''*J^''Au.s..'"'""'.'D" * * " " ' " * "cA. vE .C6LL LANN LEE TMI FLOO.g ,"[ .'E v""C'.'"e l 'w'o'o'c","E.-LOS ANGELES. CALIFORMIA 90044 2184 OLOS'" c a~ a ~ == <*'" "o-2 o aOF COUNSELU a o? ENTAOSuSe N e JacCavAOdlNISTRAflVE OFFICER$$NbYbhM...

Diablo Canyon, Units 1 and 2 - Response to NRC Request for Additional Information Regarding NRC Generic Letter 2006-02, "Grid Reliability and the Impact on Plant Risk and the Operability of Offsite Power".

Pacific Gas andElectric Company®Donna Jacobs Diablo Canyon Power PlantVice President P. 0. Box 56Nuclear Services Avila Beach, CA 93424805.545.4600January 31, 2007 Fax: 805.545.4234PG&E Letter DCL-07-007U.S. Nuclear Regulatory CommissionATTN: Document Control DeskWashington, D...

Diablo Canyon Power Plant, Units 1 and 2 - Review of Physical Security Plan (PSP), Training and Qualification Plan (T&QP), and Safeguards Contingency Plan (SCP), Revisions 7 and 8 (TAC No. D91660).

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 February 21, 2014 Mr. Edward D. Halpin Senior Vice President 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:...

"Criticality SE of Region 2 of Diablo Canyon SF Storage Racks w/Fuel of 5.0% Enrichment,Rev 2."

CRITICALITY SAFETY EVALUATION OF REGION 2OF THE DIABLO CANYON SPENT FUEL STORAGE RACKSWITH FUEL OF 5 ~ 0+o ENRICHMENTPrepared for thePACIFIC GAS AND ELECTRIC COMPANYbyStanley E. Turner, PhD, PERev. 2 April 1995Holtec Project 30514Holtec Report HI-931077230 Normandy CirclePalm ...

Diablo Canyon, Unit 1 - Response to NRC Questions on 1R11 Steam Generator Tube Inspections.

Pacefic Gas and.0 Electric CompanyDavid H. Oatley Diablo Canyon Power PlantSeptember 15, 2003 Vice President and PO. Box 56General Manager Avila Beach, CA 93424PG&E Letter DCL-03-113 805.545.4350Fax: 805.545.4234U.S. Nuclear Regulatory CommissionATTN: Document Control DeskWash...

Summary of Telephone Conference Calls Held on 2/28/11 and 3/17/11 btw the USNRC and Pacific Gas and Electric Company Concerning RAIs Related to the Diablo Canyon Nuclear Power Plant, Units 1 and 2, LRA (TAC Nos. ME2896 and ME2897).

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 April 11, 2011 LICENSEE: Pacific Gas and Electric Company FACILITY: Diablo Canyon Nuclear Power Plant, Units 1 and 2 SUBJECT: SUMMARY OF TELEPHONE CONFERENCE CALLS HELD ON FEBRUARY 28 AND MARCH 17,2011, ...

Forwards conference notes from 821104 working meeting w/Diablo Canyon Project,util,Bechtel,NRC & Teledyne Engineering re engineering open items generated in electrical & instrument/controls area.

STONE 4 WEBSTER ENGINEERING C ORATION~~Mr. G. A. Maneatis, Senior Vice PresidentFacilities DevelopmentPacific Gas and Electric Company77 BealeStx'e"tSan Francisco, CA 94106November 22, 1982J» 0 No» 14296DCS-168Mr H R Denton, DirectorOffice of Nuclear Reactor Regulation.U S Nuc...

Diablo Canyon Nuclear Power Plant, Units 1 & 2 - Request that Briefs be Filed Relating to the Jurisdiction of the Board to Consider the Application for Special Nuclear Materials.

May 23, 1975Elizabeth S. Bowers. Esq.Atomic Safety and LicensingBoardU.S. Nuclear Regulatory CommissionWashington, D. C. 20555Mr. Glenn 0. BrightAtomic Safety and LicensingBoardU.S. Nuclear Regulatory ComissionWashington, D. C. 20555Dr. William E. HartinSenior EcologistBattell...

Notice of 811019 change of address of JR Reynolds & JR Phillips,counsel for Joint Intervenors.Certificate of Svc encl.

,,,' ,a00H]pCTEDUNITED STATES OF AMERICANUCLEAR REGULATORY COMMISSIONBEFORE THE ATOMIC SAFETY AND LICENSI0FFICE CF SECnF TbnY00CHETmG & SERVK.EORAHCHyIn the Matter of ))PACIFIC GAS AND ELECTRIC COMPANY )Docket Nos. 50-275 O.L.)50-323 0.L.(Diablo Canyon Nuclear Power )Plant, Un...

Supplemental brief on 830510 motion to reopen record re const QA.Util & HP Foley Co failed to implement QA program consistent w/regulatory stds.IDVP provides no assurance that programs complied w/regulations.W/Certificate of Svc.

F~ 'w.. ....igyWr* ', 3''993tTEDUSNRCUNITED STATES OgNUCLEAR REGULATORY COMMISSION(-..BEFORE THE ATOMIC SAFETY AND LICENSING APPEAL BOARD. ..)In the Matter of))PACIFIC GAS AND ELECTRIC COMPANY) Docket Nos. 50-275 0.L.) 50-323 0.L.~(Diablo Canyon Nuclear Power)Plant, Units 1 an...

Diablo Canyon, Units 1 & 2 - Response to NRC Questions Regarding License Amendment Request 02-03, Spent Fuel Cask Handling.

Pacifc Gas andElectric CompanyLawrence F. Womack Diablo Canyon Power PlantVice President PO. Box 56Nuclear Services Avila Beach, CA 93424805.545.4600June 24, 2003 Fax: 805.545.4234PG&E Letter DCL-03-077U. S. Nuclear Regulatory CommissionATTN: Document Control DeskWashington, D...

Notification of contract execution,Mod 2,to "Earthquake Potential & Max Credible Earthquake for Diablo Canyon Power Plant." Contractor:Univ of Nevada-Reno,MacKay School of Mines.

-- -0 .0*CONTRACT NUMeERNRC FORM 255'(10-7617NRC-03-85-059,DIVISION OF CONTRACTSMOOlFICATION NUMBER*,,US. NUCLE AR REGULATORY COMMISSIONWASHINGTON, D.C. 20556O NEwONaOOiF CATION 'OTHE R ISpeerNINOTIFICATION OF CONTRACT EXECUTION~j'CONMACT BASED ON:Harold R. Denton, DirectorTO:...

Requests review of Ofc of Inspector & Auditor rept, "Diablo Canyon - Allegations of Misconduct by NRC Employees" & panel 860211 memo to determine whether conclusions in rept supported by evidence.

. .- _ _ _ _ - _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - _ _ _ - _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _ _ _ _ - _ ..Attachment 3''.FEB 281995MEMORANDUM FOR: John B. Martin, Regional Administrator 'Region VVictor Stello, Jr...

Diablo Canyon Unit 1, Supplement to Exigent Amendment Request 04-02 Revision to Technical Specification 3.3.5, "Loss of Power (LOP) Diesel Generator (DG) Start Instrumentation".

Pacific Gas andElectric CompanyJames R. Becker Diablo Canyon Power PlantVice President -Diabto Canyon P.O. Box 56Operations and Station Director Avila Beach, CA 93424April 8, 2004 a05.545.423462Fax: B05.545A4234PG&E Letter DCL-04-040U.S. Nuclear Regulatory CommissionATTN: Docu...

11/29/18, Summary of Meeting with Pacific Gas & Electric Co. to Discuss Exemption Request to Withdraw Funds from the Nuclear Decommissioning Trusts to Fund Decommissioning Planning Activities at Diablo Canyon Nuclear Power Plant (EPID L-2018-LRM-0074).

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 December 31, 2018 LICENSEE: Pacific Gas and Electric Company FACILITY: Diablo Canyon Nuclear Power Plant, Units 1 and 2 SUBJECT: SUMMARY OF NOVEMBER 29, 2018, PUBLIC MEETING WITH PACIFIC GAS AND ELECTRIC C...