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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

04/04/1975 Notice of Forthcoming Meeting with Pacific Gas and Electric Company to Discuss Items Relative to Seismic Design of Diablo Canyon.

Docket Nos. 50-275and 50-323 2MAR. 3 j 1975Olan D. Parr, Chief, Light Nater Reactors Project Branch 1-3, RLH)MHCOHING NEEDLING tKTH PACIFIC GAS AND EIZCHGC COMPANY—DIABED CANYON 1 8 2Ihte and The:tucation:Purpose:Participants ~Friday, April 0,1975—9:30 A. M.Roam 372East Nest T...

2016/08/25 NRR E-mail Capture - [External_Sender] RE: PG&E Letter dated May 2, 2016 - 180 Day Steam Generator Report for Diablo Canyon Power Plant, Unit 1, Refueling Outage 1R19 - CAC No. MF7649

1NRR-PMDAPEm ResourceFrom: Richardson, Michael Sent: Thursday, August 25, 2016 2:59 PMTo: Singal, BalwantCc: Johnson, Andrew; Bailey, Janis; Skov, JeffreySubject: [External_Sender] RE: PG&E Letter dated May 2, 2016 - 180 Day Steam Generator Report for Diablo Canyon Power Plant...

LER 12-003-00 for Diablo Canyon, Unit 1 Regarding Low Temperature Overpressure Protection System Inoperable due to Human Performance Error.

Pacific Gas and Electric Company® August 6, 201 2 PG&E Letter DCL-12-072 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Docket No. 50-275, OL-DPR-80 Diablo Canyon Unit 1 James M. Welsch Station Director 10 CFR 50.73 Diablo Canyon Power...

Forwards Rev 0 to "Stress Analysis of Two Piping Sys & Supports,Diablo Canyon Nuclear Power Plant,Unit 1," in response to SSER 20 Open Item 18, "Piping Analysis Rept." Rept shows that design criteria met for all evaluations.

REGULA Y INFORMATION DISTRIBUTI YSTEM (RIDS)ACCESSION NBR: 8402100001 DOC ~ DATE: 84/02/03 NOTARI2ED: t w,PA.C IFIC GA.S A.ND ELECTRIC C OMPA.NTW~~EE~77 BEALE STREET~SAN .FRANCISCO, CALIFORNIA94106~(415) 781.4211~TWX 910 372 6587J. O. SCHUYLBRVICC TRCCIDCNTNUCCCAR TOWCR OCNCRA...

Diablo Canyon Nuclear Power Plant, Units 1 and 2 - Notice of Issuance, License Amendment; Issuance, Opportunity to Request a Hearing, and Petition for Leave to Intervene (EPID L-2020-LLA-0176)

[7590-01-P] NUCLEAR REGULATORY COMMISSION [Docket Nos. 50-275 and 50-323; NRC-2020-0207] Pacific Gas and Electric Company Diablo Canyon Nuclear Power Plant, Units 1 and 2 AGENCY: Nuclear Regulatory Commission. ACTION: License amendment application; opportunity to request a ...

Diablo Canyon Units 1 and 2 inservice inspection relief requests for containment.

Pacific Gas and Electric Company Lawrence F. Womack Diablo Canyon Power Plant Vice President PO. Box 56 Nuclear Technical Services Avila Beach, CA 93424 805.545.6000 March 31, 2000 PG&E Letter DCL-00-047 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington...

Rev 1 to "Diablo Canyon Unit 1 IDVP Review of Activities, Fuel Handling Bldg," Interim Technical Rept 57.

Robert L. Cloud and Associates, Inc.Interim Technical ReportDIABLO CANYON UNIT 1'INDEPENDENT DESIGN VERIFICATION PROGRAMREVIEW OF DCP ACTIVITIES-Fuel Handling Building-ITR 857REVISION 1Docket No. 50-275License No. DPR-76~'1&8~Project Rev ewer Da eTechnical ReviewProject Manage...

Diablo Canyon, Units 1 and 2, Sixty-Day Response to NRC Bulletin 2011-01, "Mitigating Strategies."

Pacific Gas andElectric Company'Kenneth J. PetersVP Engineering & ProjectsDiablo Canyon Power PlantMail Code 104/6/603P. 0. Box 56Avila Beach, CA 93424805.545.4888Internal: 691.4888Fax: 805.545.4884July 11,2011PG&E Letter DCL-11-081U.S. Nuclear Regulatory CommissionATTN: Docum...

Diablo Canyon, Humboldt Bay Unit 3, Response to Request for Additional Information, Application to Use Weighting Factors for Effective Dose Equivalent.

i - 4mm" Pacific Gas andElectric Company@Diablo Canyon Power PlantR a. Box 56Avila Beach, CA 93424November 18, 2008PG&E Letter DCL-08-099PG&E Letter HBL-08-018U.S. Nuclear Regulatory CommissionATTN: Document Control DeskWasfiington, DC 20555-0001Docket No. 50-275, OL-DPR-80Doc...

Diablo Canyon Power Plant, Unit No. 1 and 2 - Summary of 11/6/2006 Meeting with Pacific Gas and Electric Company on Digital Upgrade Project (TAC MD0386 and MD0387).

January 29, 2007LICENSEE Pacific Gas and Electric CompanyFACILITY: Diablo Canyon Power Plant, Unit Nos. 1 and 2SUBJECT: SUMMARY OF NOVEMBER 6, 2006, MEETING WITH PACIFIC GAS ANDELECTRIC COMPANY ON DIGITAL UPGRADE PROJECT (TAC NOS. MD0386AND MD0387)On November 6, 2006, the U.S....

Diablo Canyon Emergency Operations Facility (DCPP EOF) Facility Emissions and Throughput Data for Inventory Year 2008 (Annual Air Emissions Report) and Associated Facility Reporting Requirements.

PG&E Letter DCL-2009-511Certified Return Receipt1 7007-2680-0000-5565-3981February 25, 2009Air Pollution Control District (APCII))County of Sall Luis Obispo3433 Roberto CourtSan Luis Obispo, CA 93401-7126Attention: Dean CarlsonDiablo Canyon Power Plant (DCPP) and Diablo Canyon...

Diablo Canyon Power Plant, Units 1 and 2 - Regulatory Audit Report for the January 12-14, 2016 Audit at the Westinghouse Facility in North Bethesda, Maryland, For the License Amendment Request for Alternate Source Term (CAC Nos. MF6399 and MF6400).

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 March 14, 2016 SUBJECT: DI...

Diablo Canyon Nuclear Power Plant, Units 1 and 2 Issuance of Amendment Nos. 236 and 238 Re: Revision to Technical Specification 3.7.5, "Auxiliary Feedwater (AFW) System," EXIGENT CIRCUMSTANCES (EPID L-2020-LLA-0176)

August 31, 2020 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, UNITS 1 AND...

Diablo Canyon, Units 1 and 2 - PG&E Response to Request for Additional Information Regarding Seismic Response of Typical Design Class I Structures, Systems and Components.

8 AEC DISTRI"UTIGi FOr™PART >0 DQCI(ET MAIEBIAL(TE! lPQRARY FOR{'il)CONTROL,NO:FILEFRQ;,~.Pacific {:as 6 Electric CoSan Francisco, Calif.Jr. F.T. GearlsDATE OF DOC12-2-DATE REC'0, LTR Tir!X'.RPTOTHERTO:CLASSO.Do ParrU!~!CLASSXXXPROP INFOORIGnone si .nedINPUTCC OTHERNO CYS REC'...

09/22/10 Notice of Meeting with Pacific Gas and Electric Co. to Discuss Their Plans for Documentation and Plant Design Review of the Diablo Canyon Power Plant.

UNITED STATESNUCLEAR REGULATORY COMMISSIONREGION IV612 EAST LAMAR BLVD, SUITE 400ARLINGTON, TEXAS 76011-4125August 19, 2010 SUBJECT: PUBLIC MEETING WITH PACIFIC GAS AND ELETRIC COMPANY FACILITY: Diablo Canyon Power Plant DOCKETS: 50-275; 50-323 DATE AND TIME: Wednesd...

Monthly operating repts for Sept 1988 for Diablo Canyon Units 1 & 2.W/881014 ltr.

IACCESSION NBRFAC IL: 50-27550-323AUTH. NAMEBEDESEMI P.TOWNSEND> J. DREC IP. NAMEREGULAt |'NFORM*TION DISTRIBUTIO ,YSTEM (RIDS)8810260092 DOC. DATE: 88/09/30 NOTARIZED: NODiablo Canyon Nuclear Power Plant> Unit li Pacific QaDiablo Canyon Nuclear Power Plant. Unit 2> Pacific Ga...

Audit Report Regarding Pacific Gas and Electric Company's Seismic Source Models Related to Near-Term Task Force Recommendation 2.1 - Seismic for Diablo Canyon Power Plant, Unit Nos. 1 and 2.

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 January 11, 2016 SUBJECT: AUDIT REPORT REGARDING PACI...

Encl 1 (Tech Spec Pages) to Ltr B S Allen re: Amendment No. 3 To Materials License No. SNM-2511 For The Diablo Canyon Independent Spent Fuel Storage Installation (TAC L24675).

Approved Contents 2.0 DIABLO CANYON ISFSI 2.0-1a 2.0 APPROVED CONTENTS (continued) 2.3 Alternate MPC-32 Fuel Selection Criteria The maximum allowable fuel assembly average burnup for a given MINIMUM ENRICHMENT is calculated as described below for minimum cooling tim...

Personal invitations to 6/29/2000 Diablo Canyon meeting re: new Reactor Oversight Process

June 15, 2000This letter was individually mailed to the attached distribution list andconsolidated for ADAMS purposes.SUBJECT: NRC PUBLIC MEETING REGARDING NEW REACTOR OVERSIGHT PROGRAMDear Sir:I am writing to invite you to participate in a public meeting designed to explain t...

Diablo Canyon, Unit 1 & 2 - View on Guidance On Quality assurance Requirements During the Operations Phase.

Docket Nos. 50-275and 50-323.DEC. 1 0 1974Pacific Gas and Electric CompanyATTN: Nr. Frederick,T. SearlsVico President4General Counsel77 Bealo StreetSan Francisco, California 94106Gent'Lemon:Distribution:Docket FileLNR 1-3 ReadingLNR 1-3 FileAEC PDRLocal PDROGCJPanzarellaTJHiro...

2010/11/09 Diablo Canyon LR - Draft RAI Set 33 AMR Follow-up

1DiabloCanyonNPEm ResourceFrom: Ferrer, NathanielSent: Tuesday, November 09, 2010 11:46 AMTo: Grebel, TerenceCc: DiabloCanyonNPEm ResourceSubject: Draft RAI Set 33 AMR Follow-upAttachments: Draft RAI Set 33 AMR follow-ups.docTerry, Attached is Draft RAI Set 33 containing draf...

Diablo Canyon, Units 1 & 2, License Amendments 77 and 76, Add TS "Main Feedwater Regulating, Bypass and Isolation Valves," Increase Main Feedwater Regulating Valve and Bypass Valve Closure Time Limit.

March 18, 1993Docket Nos. 50-275 and 50-323 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 Dear Mr. Rueger: SUBJECT: ISSUANCE OF AMENDMENTS FOR DIABLO CANYON NUCLE...

Diablo Canyon Unit 1, License Amendment 2, Revises TS Concerning Movable Control Rod Assemblies Reactor Trip System Instrumentation by Making Editiorial Changes and Resolving Certain Full Power Considerations.

August 26, 1985 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 Beale Street, Room 1435 San Francisco, California 94106 Dear Mr. Shiffer: Subject: Issuance of Amendment No...

Diablo Canyon, Units 1 and 2, License Amendment Request 03-12 Revision to Technical Specifications 3.3.1, "RTS Instrumentation," and 3.3.2, "ESFAS Instrumentation," Enclosures 1 - 4.

Pacfic Gas andHectic companyDavid H. Oatley Diablo Canyon Power PlantVice President and P. Box 56General Manager Avila Beach, CA 93424September 12, 2003 805.545.4350Fax: 05.545.4234PG&E Letter DCL-03-1 11U.S. Nuclear Regulatory CommissionATTN: Document Control DeskWashington, ...

2015/02/26 Diablo Canyon LR - FW: NRC Submittal, DCL-15-027, Update to LRA Amendment 49 and LRA Appendix E Part 7 of 8

1DiabloCanyonNPEm ResourceFrom: Keegan, ElaineSent: Thursday, February 26, 2015 12:30 PMTo: Wentzel, MichaelSubject: FW: NRC Submittal, DCL-15-027, Update to LRA Amendment 49 and LRA Appendix E Part 7 of 8Attachments: DCL-15-027 Part 7.pdffyi From: Hartwig, Adriana [mailto:A...