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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 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 (CAC Nos. MF6039 and MF6040).

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 P.O. Box 56 Mail Code 104/6 Avila Beach, CA 93424 March 30, 2016 SUBJECT: DIABLO CANYON POWER PLANT, UN...

LER 11-006-01 for Diablo Canyon Unit 1 re: Loss of Control Room Envelope Due to the Work Control Shift Foreman Incorrectly Authorizing Removal of a Blank Flange.

Pacific Gas and Electric Company® January 27, 2012 PG&E Letter DCL-12-009 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Docket No. 50-275, OL-DPR-80 Docket No. 50-323, OL-DPR-82 Diablo Canyon Units 1 & 2 Licensee Event Report 1-2011-0...

LER 05-001-00 for Diablo Canyon Unit 2 re: TS 3.4.10 Not Met During Pressurizer Safety Valve Surveillance Testing Due to Random Lift Spread.

Pacific Gas andElectric Company'David H. OatleyVice President and General ManagerDiablo Canyon Power PlantP. 0. Box 56Avila Beach, CA 93424805.545.4350Fax: 805.545.4884March 28, 2005PG&E Letter DCL-05-029U.S. Nuclear Regulatory CommissionATTN: Document Control DeskWashington, ...

IR 05000275-05-003, 05000323-05-003, on 04/01/2005 - 06/30/2005; Diablo Canyon Power Plant Units 1 and 2; problem identification and resolution and maintenance risk assessment.

August 9, 2005Gregory M. Rueger, Senior Vice President, Generation and Chief Nuclear OfficerPacific Gas and Electric CompanyDiablo Canyon Power PlantP.O. Box 3Avila Beach, California 93424SUBJECT: DIABLO CANYON POWER PLANT - NRC INTEGRATED INSPECTIONREPORT 05000275/2005003 ...

Diablo Canyon, Units 1 and 2, Radiation Release Response to NRC Request for Additional Information- National Fire Protection Association Standard 805.

Pacific Gas and E lectric Company® December 31, 2014 PG&E Letter DCL-14-123 U.S. Nuclear Regulatory Commission ATIN: Document Control Desk Washington, DC 20555-0001 Diablo Canyon Units 1 and 2 Docket No. 50-275, OL-DPR-80 Docket No. 50-323, OL-DPR-82 Barry S. Allen Site Vice P...

Summary Of Meeting Held On August 27, 1976 To Discuss Seismic Design Reevaluation for Diablo Canyon Units 1 & 2.

MEETING SUMMARY D ISTRIBUTIONNRC PDRLocal PDRTICNRR ReadingLWR 1 FileB. C. RuscheE. G. CaseR. S. BoydR. C. DeYoungD. SkovholtJ. StolzK. Kniel0. ParrW. ButlerD. Vassallo,L. CrockerR. ClarkT. SpeisP. CollinsC. HeltemesR. HoustonS. VargaJ. MillerF. J. WilliamsR. Heinanan~H. Dento...

Forwards "Semimonthly status Rept,Diablo Canyon Seismic Review Program," for 820211-24,per Commission Order CLI-81-30.

REGULATORYDEFORMATION DISTRIBUTION 'S+EM;BRIDE)-AtF'CESSION.NBA:82/3020508 DOC ~ DATE: 82/02/26 NOTARXZEO:, hlO . DOCKETFACIL!'50~075.DiabIo Canyon:Nuclear «Power Plantr Uni«t 1P lPacif)c'Ga-05000275'ALlTH~N/Mg A/THOR AFF ILXATION„„t',RANK~,PE 5,, «Pacific Gas «5 «El;ec4r™ic '...

04/09/2003, Meeting with Pacific Gas and Electric Co (PG&E) to discuss geotechnical issues related to Diablo Canyon ISFSI application Request for Information (RAI) (72-26) (TAC L23399).

March 20, 2003MEETING NOTICEOrganization: Pacific Gas and Electric Company (PG&E)Date and Time: April 9, 2003, 9:00 AM - 3:00 PM (PST)Location: PG&EConference Room 1411245 Market StreetSan Francisco, CaliforniaPurpose: To discuss slope stability issues related to the NRC staff...

06/24/2003 - Ltr Commissioner J C Boyd, California Energy Commission, Proposed Environmental Assessment (EA) by the USNRC for the Proposed Diablo Canyon ISFSI (72-26, 50-275, 50-323).

June 24, 2003Commissioner James D. BoydCalifornia Energy Commission1516 Ninth StreetSacramento, CA 95814SUBJECT: ENVIRONMENTAL ASSESSMENT BY THE U.S. NUCLEAR REGULATORYCOMMISSION FOR THE PROPOSED DIABLO CANYON INDEPENDENTSPENT FUEL STORAGE INSTALLATIONDear Commissioner Boyd:T...

Extension Granted for the Biological Opinions for the Diablo Canyon Power Plant and the San Onofre Nuclear Generating Station.

May 18, 2006Mr. Rodney McInnisSouthwest Regional AdministratorNOAA Fisheries501 West Ocean Blvd.Long Beach, CA 90802-4213SUBJECT: EXTENSION GRANTED FOR THE BIOLOGICAL OPINIONS FOR THE DIABLOCANYON POWER PLANT AND THE SAN ONOFRE NUCLEAR GENERATINGSTATION (REFERENCE NO. 151401S...

LER 02-001-00 for Diablo Canyon, Unit 1 re Technical Specification Violation Due to Nonconservative Steam Generator Narrow Range Water Level Instrumentation.

Pacific Gas andElectric CompanyDavid H. Oatley Diablo Canyon Power PlantVice President PO. Box 56Diablo Canyon Operations Avila Beach, CA 93424April 15, 2002 805.545.4350Fax: B05.545.4234PG&E Letter DCL-02-043U.S. Nuclear Regulatory CommissionATTN: Document Control DeskWashing...

Diablo Canyon, Units 1 & 2 - Issuance of Amendments 163 & 165 re: Control Room Auxiliary Bldg and Fuel Handling Bldg Ventilation Systems. (Tacs. MB8485/MB8486).

February 27, 2004Mr. Gregory M. Rueger Senior 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 NOS. 1 AND 2 - ISSUANCE OFAMENDMENTS RE: CON...

"Qualification Document Design Verification Program for Power Ascension,Diablo Canyon Nuclear Power Plant,Unit 1," PG&E Vols 1-3.

_6-5288671-PR26IQUALIFICATION DOCUMENTDESIGN VERIFICATION PROGRAMFOR POWER ASCENSIONDIABLO CANYON NUCLEAR POWER PLANT - UNIT 1PACIFIC GAS & ELECTRIC COMPANYIIVOLUME 1 0F 3:CORPORATE QUALIFICATIONSIIIIIIIISTONE & WEBSTER ENGINEERING CORPORATIONIIO201180528 820113STONE & WEBSTER...

Diablo Canyon, Relief, Re: Application of Risk-Informed Inservice Inspection Program For The American Society Of Mechanical Engineers Boilers And Pressure Vessel Code Class 1 And 2 Piping.

November 8, 2001Mr. Gregory M. Rueger Senior Vice President, Generation and Chief Nuclear OfficerPacific Gas and Electric CompanyDiablo Canyon Nuclear Power PlantP. O. Box 3Avila Beach, CA 94177SUBJECT: DIABLO CANYON NUCLEAR POWER PLANT, UNITS NO. 1 AND 2 (DCPP) - APPROVA...

M020801-Affirmation Session: I. SECY-02-0129 - Pacific Gas & Electric Co. (Diablo Canyon Power Plant, Units 1 and 2); Multiple Petitions to Intervene.

UNITED STATES OF AMERICANUCLEAR REGULATORY COMMISSION*****AFFIRMATION SESSION***PUBLIC MEETING***Nuclear Regulatory CommissionCommission Hearing Room11555 Rockville PikeRockville, MarylandThursday, August 1, 2002The Commission met in open session, pursuant to notice, at 12:55 ...

Diablo Canyon, Units 1 and 2 - Transmittal Letter for Report Entitled, "Westinghouse Protection Systems Noise Tests".

AEC DISTRII'N FOR PART 50 DOCKET MATE(TEMPORARY FORM)CONTROL NO:-4/~FILEF RQM: Pac ific Gas &Elec tricSan Francisco, Car1-16-75 1-.20-75DATE OF DOC DATE REC'D LTR TWX RPT OTHERTO:DLCI ASS UNCLASS PROP INFOXXXXORIGone signedINPUTCC OTHERNO CYSREC'D1SENT AEC PDRXXSENT LOCAL PDRD...

Diablo Canyon, Units 1 and 2 - NRC Response to Senator S. Hayakawa Regarding Constituent H. Osborne's Letter Opposing Opening of Diablo Canyon Plant.

MAR 18 1977Docket tio. 50-275and 50-323The L'onorable Sara 3:. HayakaMaQnitad States SenateNashington, D. C. 20510Dear Senator Hayakaua:3: ~m pleased to re~ to your letter of February 3.5, 1977, which refersto a letter frora one of your constituents, Hr. Edward Qsborne, datedJ...

Diablo Canyon Units 1 and 2 Response to NRC Request for Additional Information Regarding "License Amendment Request 20-01, Exigent Request for Revision to Technical Specification 3.7.5, 'Auxiliary Feedwater System'."

Paula 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 member of the STARS Alliance Callaway • Diablo Canyon • Palo Verde • Wolf Creek August 18, 2...

Diablo Canyon, Units 1 & 2, Response to NRC Request for Additional Information Regarding License Amendment Request 03-02, "Response Time Testing Elimination and Revision to Technical Specification 3.3.1, 'Reactor Trip System (RTS) Instrumentation".

WI Pacific Gas andElectric CompanyDavid H. Oatley Diablo Canyon Power PlantVice President and PO. Box 56General Manager Avila Beach. CA 93424October 30, 2003 805.545.4350Fax: 05.545.4234PG&E Letter DCL-03-137U.S. Nuclear Regulatory CommissionATTN: Document Control DeskWashingt...

03/04/2003, Forthcoming Meeting With Pacific Gas and Electric Company, Re: PG&E's Resolution of Steam Generator Issues From Current Refueling Outage 2R11 of Diablo Canyon, Unit 2.

February 27, 2003MEMORANDUM TO: Stephen Dembek, Chief, Section 2 Project Directorate IV Division of Licensing Project Management Office of Nuclear Reactor RegulationFROM: Girija Shukla, Project Manager, Section 2 /RA/ Project Directorate IV Division of Licensing Project Manag...

Diablo Canyon (ISFSI) - NRC Staff's Response to Contentions Submitted by San Luis Obispo Mothers for Peace, et al., Peg Pinard and Avila Valley Advisory Council

RAS 4748 August 19, 2002DOCKETED 08/20/02UNITED 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 RESP...

"Diablo Canyon Power Plant Simulator Certification,Vols 1-11."

IDjab]oCanyonPower Plant ~--.89l2290029VolumeVOLUME 1TABLE OF CONTENTSFORM 474RESUMESSimulation Facility Certification'NRCForm 474and enclosures.Simulator performance testing and softwareindividual resumes.AP A-80 Administrative Procedure Configuration ManagementPlan for the D...

(ACHP-Scoping) Notice of Intent to Reinitiate the Environmental Scoping Process for the Review of the Diablo Canyon Power Plant, Units 1 and 2, LRA.

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 July 1, 2015 Mr. Reid Nelson, Director Office of Federal Agency Programs Advisory Council on Historic Preservation 401 F Street NW, Suite 308 Washington, DC 20001-2637 SUBJECT: NOTICE OF INTENT TO RE...

Renewal of 840320 application for stay by Commission of expected order reinstating suspended low power OL.Until Commission can make findings re operator qualification,no license may legally be issued.Certificate of Svc encl.

P # ,DOCKETEDUSNRCUNITED STATES OF AMERICANUCLEAR REGULATORY COMhkbSfBh11 P337'BEFORE THE COMMISSION, . . , , . ,,,)In the Matter of))PACIFIC GAS AND ELECTRIC COMPANY) Docket Nos. 50-275 0.L.)50-323 O.L.(Diablo Canyon Nuclear Power)Plant, Units 1 and 2))),JOINT INTERVENORS' RE...

Diablo Canyon, Units 1 and 2 - Responds to NRC Letter dated September 24, 2015, Request for Additional Information for the Review of the License Renewal Application - Set 38.

Pacific Gas and Electric Company® Barry S. Allen Diablo Canyon Power Plant Vice President, Nuclear Services Mail Code 104/6 P. 0. Box 56 Avila Beach, CA 93424 October 21, 2015 805.545.4888 PG&E Letter DCL-15-121 U.S. Nuclear Regulatory Commission ATIN: Document Control Desk Wa...