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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 - Transmittal of Reports Entitled "Teleseismic Location of the 1927 Lompoc Earthquake," and Aftershocks of the 1927 Lompoc Earthquake."

~ . 0NRC DISTRIBUTION FOR PART 50 DOCK'ET MATERIAL(TEMPORARY FORM).CONTROL NO:'ILEFROM.'~1'pacific Gas & Electric CSan Francisco, Calif,Phili A. Crane'DATE OF DOC12~1~75DATE REC'D12-3-75LTR TWX RPT OTHER--- -TO:CLASS UNC LASS PROP INFO'RIG1 Signed,"INPUTCC OTHER22NO CYS REC'D'...

Diablo Canyon Power Plant, Units 1 and 2 - Closeout of NRC Bulletin 2011-01, "Mitigating Strategies" (TAC Nos. ME6425 and ME6426).

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555·0001 June 18, 2012 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: ...

Diablo Canyon Unit 1, Issuance of Notice of Consideration of Amendment, Modify Technical Specifications to Provide Two Unit Operation with Common Control Room & Clarify Testing Requirements for Diesel Generator No.3.

Docket No.: 50-275 Mr. J. D. Shiffer, Vice President Nuclear Power Generation c/o Nuclear Power Generation, Licensing Pacific Gas and Electric Company 77 Seale Street,"Room 1451 San Francisco, California 94106DISTpT'JUTION Doc Fi 7 e--50-275 NRC ruR L PDR NSIC 1985 PRC System...

Diablo Canyon Power Plant - NRC Design Bases Assurance Inspection (Programs) 05000275/2018010 and 05000323/2018010.

August 22, 2018 Mr. John T. Conway, Senior Vice President Energy & Supply and Chief Nuclear Officer Pacific Gas and Electric Company Diablo Canyon Nuclear Plant 77 Beale Street, Mail Code B32 San Francisco, CA 94105 SUBJECT: DIABLO CANYON POWER PLANT - NRC DESIGN BASIS ASSU...

Diablo Canyon (ISFSI) - NRC Staff's Position Regarding Issues Proffered by 10 C.F.R. Section 2.715(c) Interested Governmental Entities.

RAS 4876 September 25, 2002DOCKETED 09/26/02UNITED STATES OF AMERICANUCLEAR REGULATORY COMMISSIONBEFORE THE ATOMIC SAFETY AND LICENSING BOARDIn the Matter of ))PACIFIC GAS & ELECTRIC CO. ) Docket No. 72-26-ISFSI)(Diablo Canyon ISFSI) ) ASLBP No. 02-801-01-ISFSI)NRC STAFF’S POS...

RAI Related to the Review of the Diablo Canyon Nuclear Power Plant, Units 1 and 2, License Renewal Application (TAC Nos. ME2896 and ME2897) - Scoping and Screening and Aging Management Review.

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555·0001 August 9,2010 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 ...

Diablo Canyon Unit 1, License Amendment 8, Change to Appendix A TS Requiring Certain Actions to be Taken if Ocean Water Exceeds 64 degrees F to Ensure Adequate Ultimate Heat Sink Capacity.

APR 1 31984Docket No.: 50-275 Mr. J. 0. Schuyler, Vice President Nuclear Power Generation c/o Nuclear Power Generation, Licensing Pacific Gas & Electric Company 77 Beale Street, Room 1435 San Francisco, California 94106 Dear Mr. Schuyler: Subject: Issuance of Amendment No. 8 t...

Diablo Canyon Power Plant, Units 1 & 2 - Issuance of Amendments 179/181 Re: Plant Protection Test Times, Completion times and Surveillance Test Intervals.

January 31, 2005Mr. Gregory M. RuegerSenior Vice President, Generation and Chief Nuclear OfficerPacific Gas and Electric CompanyDiablo Canyon Power PlantP. O. Box 3Avila Beach, CA 93424SUBJECT: DIABLO CANYON POWER PLANT, UNIT NO. 1 (TAC NO. MC2024) AND UNITNO. 2 (TAC NO. M...

2010/04/08-Establishment of Atomic Safety and Licensing Board Regarding Pacific Gas & Electric Company, for a Twenty-year Renewal of Licenses for Diablo Canyon Nuclear Power Plants, Units 1 and 2.

UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION PACIFIC GAS & ELECTRIC COMPANY Docket Nos. 50-275-LR and 50-323-LR ASLBP No. 10-900-01-LR-BD01 ESTABLISHMENT OF ATOMIC SAFETY AND LICENSING BOARD Pursuant to delegation by the Commission dated December 29...

Diablo Canyon, Units 1 and 2 - Informal Information Received from Wiley Laboratories.

Illl0 L.RC PDR I.Local PDR J.DEC6 1978LWR yl File F.J. F. Stolz R.D. P. Allison P.E. G. Hylton E.;-'rooms: and'ofavors the partfes.'-0'oasIedifyfor/'Oennfs P. BfsonProspectfhnager,Light Vatet Reactors Branch Ro. Tgfvfafoa ef Project Management..- BcTosure:Letter dated 'l'f/lPS...

Diablo Canyon Power Plant, Units 1 and 2 - Notification of Evaluations of Changes, Tests, and Experiments Inspection (NRC Inspection Report 05000275/2020001 AND 05000323/2020001) and Request for Information.

December 17, 2019 Mr. James M. Welsch Senior Vice President, Generation and Chief Nuclear Officer Pacific Gas and Electric Company P.O. Box 56 Mail Code 104/6 Avila Beach, CA 93424 SUBJECT: DIABLO CANYON POWER PLANT, UNITS 1 AND 2 - NOTIFICATION OF EVALUATIONS OF...

Diablo Canyon Units 1 and 2, Fire Protection Status Report.

,0DISTRIBUTION:DOCKET FILE,NRR READINGPSB READINGJKNOX READI,GtNB|ORANDUN FOR: V. Benaroya, Chief, Auxiliary Systems Branch, DSSFROH:SUBJECT:Faust Rosa, Chief, Power Systems Branch, DSSFIRE PROTECTION STATUS REPORT, DIABLO CANYONUNITS 1 52, POWER SYSTEHS BRANCHThe enclosed fir...

Diablo Canyon, Units 1 and 2 - Submits Additional Information on Reactor Coolant System Over-Pressure.

'NRCFOAM 196(2 7d)UA. NUCLEAA REGULATORY COM ION DOCKET NUMEEA~+02'7QZNRC DISTRIBUT)ON FoR PART 50 DOCKET MATERIALFILE NUMBERTO:ETTE ARIGINALOcopv.DESCRIPTIONONOTORIZED~CLASSIFIEOMr. John F. StolzPROP INPUT FORMENCI OSUREFROM:Pacific Gas 8 Electric CompanySan Francisco, Califo...

2017/11/02 NRR E-mail Capture - Request for Additional Information - Request for Approval for Application of Full Weld Overlay REP-RHR-SWOL, Diablo Canyon Power Plant, Units 1 and 2 (EPID No. L-2017-LLR-0092)

1NRR-PMDAPEm ResourceFrom: Singal, BalwantSent: Thursday, November 02, 2017 1:39 PMTo: 'Richardson, Michael'Cc: Tsao, JohnSubject: Request for Additional Information - Request for Approval for Application of Full Weld Overlay REP-RHR-SWOL, Diablo Canyon Power Plant, Units 1 an...

Diablo Canyon, Units 1 & 2, response to letter of September 6, 1976 to the Chairman of the Nuclear Regulatory Commission regarding application currently pending before the Atom1c Safety and Licensing Board.

NDistributio,. 'ODDNRC PDRLocal PDREDO ReadingNRR ReadingLMR 1 FileB.'.RuscheE.'.CaseR. S. BoydJ. Stolz,D. AllisonE. HyltonG. Ertter (800897)',ShaparJ. HillerH. DentonR. HeinemanV. StelloH. GroffE. HughesL. DreherJ. Yore, ASLBIE(3)SECY Hail Facility(3)(76-2376)SEP 30 3975Docke...

IR 05000275-08-004, 05000323-08-004; 7/1/08 - 9/30/08; Diablo Canyon Power Plant Units 1 and 2; Equipment Alignment, Fire Protection, and Operability Evaluations.

November 3, 2008 John T. Conway Senior Vice President and Chief Nuclear Officer Pacific Gas and Electric Company P.O. Box 3 Mail Code 104/6/601 Avila Beach, California 93424 SUBJECT: DIABLO CANYON POWER PLANT - NRC INTEGRATED INSPECTION REPORT 05000275/2008004 AND 05000...

Diablo Canyon, Units 1 and 2 - Regulatory Audit Plan for June 8-12, 2015 Audit at the Westinghouse Facility in Warrendale, PA, to Support Digital Replacement of Process Protection System License Amendment Request (TAC ME7522-ME7523).

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 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 May 15, 2015 SUBJECT: DIAB...

12/09/2010 Summary of Meeting with Representatives of Pacific Gas and Electric Company to Discuss Pre-Application for Seismic License Amendment Request for Diablo Canyon Power Plant, Units 1 and 2 (TAC Nos. ME5033 and ME5034).

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555·0001 January 5, 2011 LICENSEE: Pacific Gas and Electric Company FACILITY: Diablo Canyon Power Plant, Units 1 and 2 SUBJECT: SUIVIMARY OF DECEIVIBER 9, 2010, PRE-LICENSING IVIEETING WITH PACIFIC GAS AND ELECTR...

Diablo Canyon Unit 2, Engineered Safety Features Actuation Diesel Generators Started When Startup Power Lost Due to Personnel Error, Licensee Event Report.

Pacific Gas andElectric CompanyDavid H. Oatley Diablo Canyon Power PlantVice President-Diablo Canyon PO. Box 56Operations and Plant Manager Avila Beach, CA 93424805.545.6000November 22, 2000PG&E Letter DCL-00-148U.S. Nuclear Regulatory CommissionATTN: Document Control DeskWash...

Requests that licensee provide info to assist in review of groundwater protection at Shootaring Canyon U mill license renewal application.

L=r-f*"%$bI51 UNITED STATES>*iSgj NUCLEAR REGULATORY COMMISSION2 WASHINoTON, D.C. 200 6 4001o%g/February 14, 1997.....|| Plateau Resources Limitedf ATTN: Mr. Kenneth Webbe:'I877 North 8th WestRiverton, Wyoming 82501SUBJECT: GROUNDWATER PROTECTION AT THE SH00 TARING CANYON URAN...

Diablo Canyon, Units 1 & 2, letter intervenors request an extension of time from September 14, 1976 to September 24, 1976 in which to respond to the NRC Staff's Motion for Summary Disposition as to Contentions 1 and 4.

~ 'SSOARO OF TRUSTEESJAI4CS H. ADLCR MARIANA R. PYACLZCR"'COIN*LDALLCYNC JOHI4 R. PHILLIPSPHILLII'.SCRRT SRCHT N. AUSHYOATHDAVID SOUSION J. 5TAHLCY SANDCRSRICHARD l4. SVXSAUM l4VRAAY L. SCHWARTCOCOYYACT COWAN HICHACL.H. 5HAPIAOIIAAOOT C,FCVCR ALAN STAMMDANICL ORCCNSCRO „JACK 5...

Diablo Canyon Power Plant, Units 1 & 2 - Revision 25 to Updated Final Safety Analysis Report, Chapter 13, Conduct of Operations

DCPP UNITS 1 & 2 FSAR UPDATE Chapter 13 CONDUCT OF OPERATIONS CONTENTS Section Title Page i Revision 25 June 2020 13.1 ORGANIZATIONAL STRUCTURE 13.1-1 13.1.1 CORPORATE ORGANIZATION 13.1-2 13.1.1.1 Corporate Functions, Responsibilities, and Authorities 13.1-3 13.1...

Diablo Canyon, Units 1 & 2, Supplement to Response to NRC Request for Additional Information Regarding License Amendment Request 09-06, Critical Damping Value for Structural Dynamic Qualification of the Control Rod Drive Mechanism Pressure Housings.

Pacific Gas andElectric Company® James R. Becker Diablo Canyon Power PlantSite Vice President Mail Code 104/5/601P 0. Box 56Avila Beach, CA 93424805.545.3462July 2, 2010 Internal: 691.3462Fax: 805.545.6445PG&E Letter DCL-10-07210 CFR 50.90U.S. Nuclear Regulatory CommissionATTN...

IR 05000275-00-13, IR 05000323-00-13; on 08/21-24/2000; Pacific Gas & Electric Co.; Diablo Canyon Nuclear Power Plant, Units 1 & 2; Supplemental Inspection. No findings identified. ERRATA

October 26, 2000Gregory M. Rueger, Senior VicePresident, Generation and Chief Nuclear OfficerPacific Gas and Electric CompanyDiablo Canyon Power PlantP.O. Box 3Avila Beach, CA 93424SUBJECT: ERRATA - DIABLO CANYON SUPPLEMENTAL INSPECTION REPORT NO.50-275/00-13; 50-323/00-13Dear...

Diablo Canyon Power, Units 1 and 2 - Supplement to Inservice Testing (IST) Program - Third Ten-Year Interval and IST Relief Requests.

Pacific Gas andElectric CompanyDonna Jacobs Diablo Canyon Power PlantJuly 26, 2005 Vice President P. 0. Box 56Nuclear Services Avila Beach, CA 93424PG&E Letter DCL-05-083 Fax: 805.545.4234U.S. Nuclear Regulatory CommissionATTN: Document Control DeskWashington, DC 20555-0001Doc...