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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 - Revision to Technical Specifications to Adopt Technical Specifications Task Force TSTF-547, Revision 1, "Clarification of Rod Position Requirements" (License Amendment Request 17-01).

Pacific Gas and Electric Company® September 28, 2017 PG&E Letter DCL-17 -076 James M. Welsch· Vice President, Nuclear Generation Diablo Canyon Power Plant Mail Code 104/6 P. 0. Box 56 Avila Beach, CA 93424 805.545.3242 Internal: 691.3242 Fax: 805.545.4884 U.S. Nuclear Regulato...

Requests that proprietary W rept, "RCS Pressurization Analysis for Diablo Canyon Shutdown Scenarios," be withheld from public disclosure.

WestinghouseElectric CorporationEnergy SystemsNuctear Services DlisionBox 355Pittsburgh Pennsylvania 15230 0355October 27, 1997CAW-97-1 178'Document Control DeskU.S. Nuclear Regulatory CommissionWashington, DC 20555Attention: Mr. Samuel J. CollinsAPPLICATIONFOR WITHHOLDINGPROP...

Board Notification 2003-01, Supplemental Information Potential Relevant and Material to Licensing Board Proceeding in the Matter of Pacific Gas and Electric Co (Diablo Canyon ISFSI) (72-26) (ASLBP No. 02-801-ISFSI)

July 2, 2003Board Notification 2003-01MEMORANDUM TO: Atomic Safety and Licensing Board and All PartiesFROM: James R. Hall, Senior Project Manager /RA/Licensing and Inspection DirectorateSpent Fuel Project OfficeOffice of Nuclear Material Safety and SafeguardsSUBJECT: SUPPLEME...

Enclosure 2: Revised Technical Specification Pages [Letter to B. S. Allen re: Amendment No. 5 to Materials License No. SNM-2511 for the Diablo Canyon Independent Spent Fuel Storage Installation].

Diablo Canyon ISFSI Amendment 5 Technical Specification Page Changes Remove Page Insert Revised Page 1.1-2 1.1-2 2.0-1 2.0-1 2.0-1a 2.0-1a 2.0-9 2.0-9 2.0-12 2.0-12 2.0-13 2.0-13 3.1-5 3.1-5 Definitions 1.1 DIABLO CANYON ISFSI 1.1 Definitions (continued) INTACT...

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.

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON. D.C. 20555-0001 July 19. 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 Power Plant 316(b) Demonstration Report

Diablo Canyon Power Plant 316(b) Demonstration Report March 1, 2000 Prepared for Pacific Gas and Electric Company 77 Beale Street San Francisco, CA 94105 Document No. E9-055.0 TENERA Project Manager: Chris Ehrler Prepared by.0T ENE A~er~oeEnvironmental TENERAeris One Market, S...

LER 03-005-01, for Diablo Canyon Unit 2, Regarding TS 3.7.5.C Required Shutdown Due to Personnel Error.

El Paciic Gas andmd3~ Electric CompanyDavid IL Oatley Diablo Canyon Power PlantVice President and PO. Box 56General Manager Avila Beach. CA 93424August 5,2003 ~~~~~~~~~~~~~~~~~~~~~~~~~805.545.4350August 5,2003Fax: 805.545.4234PG&E Letter DCL-03-094U.S. Nuclear Regulatory Commi...

"Diablo Canyon Unit 1 Independent Design Verification Program," Interim Technical Rept 32,Rev 0.

4Robert L. Cloud and Associates, Inc.,4interim Technical Report4igiVqIrDIABLO CANYON UNIT 1INDEPENDENT 'DESIGN VERIFICATION PROGRAM-PUMPS-ITR 832REVISION 04Docket No. 50-275License No. DPR-76Cz",.83022402'P2 8302i7'PDR ADOCK 05000275P PDRteRemi~z/i7js3Pm ect Kawger teAppendP 1...

Diablo Canyon Power Plant-Initial Information Request for NRC Triennial Baseline Component Design Bases Inspection NRC Inspection Report 05000275-10-007 and 05000323-10-007.

December 10, 2009 John T. Conway, Senior Vice President and Chief Nuclear Officer Pacific Gas and Electric Company 77 Beale Street, B32 San Francisco, CA 94105 SUBJECT: DIABLO CANYON POWER PLANT – INITIAL INFORMATION REQUEST FOR NRC TRIENNIAL BASELINE COMPONENT DESI...

Research Information Letter 09-001, Preliminary Deterministic Analysis of Seismic Hazard at Diablo Canyon Nuclear Power Plant from Newly Identified "Shoreline Fault."

Research Information Letter 09-001: Preliminary Deterministic Analysis of Seismic Hazard at Diablo Canyon Nuclear Power Plant from Newly Identified “Shoreline Fault” Introduction On November 14, 2008, the Pacific Gas & Electric (PG&E) Company informed the U.S. Nuclear Regula...

Diablo Canyon - Response to NRC Request for Additional Information Regarding Topical Report, "Process Protection System Replacement Diversity & Defense-in-Depth Assessment".

Enclosure 1 Contains Proprietary Information Withhold From Public Disclosure Under 10 CFR 2.390 Pacific Gas and Electric Company® August 12, 2010 PG&E Letter DCL-. 1 0-099 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Docket No. 50-27...

Diablo Canyon, Unit 2, Emergency License Amendment Request 09-04 Revision to Technical Specification 3.7.1, "Main Steam Safety Valves (MSSVs) for Unit 2 Cycle 15."

* Pacific Gas andElectric Company' James R. Becker Diablo Canyon Power PlantSite Vice President Mail Code 104/5/601P. 0. Box 56Avila Beach, CA 93424805.545.3462September 3, 2009 Internal: 691.3462Fax: 805.545.6445PG&E Letter DCL-09-06210 CFR 50.90U.S. Nuclear Regulatory Commis...

Diablo Canyon, Units 1 and 2, Exigent License Amendment Request 04-02 Revision to Technical Specification 3.3.5, "Loss of Power (LOP) Diesel Generator (DG) Start Instrumentation."

Pacific Gas andElectic CompanyDavid H. Datley Diablo Canyon Power PlantVice President and PO. Box 56General Manager Avila Beach. CA 93424April 2, 2004 805.545.4350Fax: 805.545.4234PG&E Letter DCL-04-037U.S. Nuclear Regulatory CommissionATTN: Document Control DeskWashington, D....

Synergy 990115 presentation to NRC & public comments re Diablo Canyon Power Plant comprehensive cultural assessment in San Luis Obispo,CA.

DIABLO CANYON POWER PLANTCOMPREHENS I VE CULTURAL ASSESSMENTSYNERGY PRESENTATION TONUCLEAR REGULATORY COMMISSIONANDPUBLIC COMMENTSFRI DAYp JANUARY15'9992:00 PE M.SAN LUISOBISPO'ALIFORNIAREPORTED BY LYNN ODOM'PRCSR I 1905hllew9903i000349902i7HPDR) ADQCK 05000275It% *E.~ . 0'0 ....

Motion for reconsideration of ASLB 810430 order granting NRC & applicant motions for summary disposition of Contention 13.ASLB misconstrued Contention 13 meaning & parties understanding.Certificate of Svc encl.

y./r>UNITED STATES OF AMERICANUCLEAR REGULATORY COMMISSIONQBEFORE THE ATOMIC SAFETY AND LICENSING BOARDQgpl(BLOAT~gRC0NOWAY1g$8)>gg~gfths~ ~Z'pncketl&+~+'4ncnIn the Matter ofPACIFIC GAS AND ELECTRIC COMPANY(Diablo Canyon Nuclear PowerPlant, Units 1 and 2)))))Docket Nos0-2 5 .L...

Requesting Additional Comments Regarding Criminal Justice Administrators Association of San Luis Obispo Concern Over Security at Diablo Canyon Nuclear Power Plant.

ROlBFQT J. LAGOMARSINOI 9TH DISTRICT, CALIFORNIA1519 LCWA~TMOu

05/29/2007 - Ltr J S Keenan, Pacific Gas and Electric Co, Draft Supplement to the Environmental Assessment and Updated Finding of No Significant Impact Related to the Construction and Operation of the Diablo Canyon ISFSI (72-26, 50-275, 323).

May 29, 2007Mr. John S. KeenanSenior Vice President and Chief Nuclear OfficerPacific Gas and Electric CompanyDiablo Canyon Power PlantP.O. Box 770000San Francisco, CA 94177-0001SUBJECT: SUPPLEMENT TO THE ENVIRONMENTAL ASSESSMENT AND DRAFTFINDING OF NO SIGNIFICANT IMPACT RELATE...

9/18/13 Notice of Forthcoming Closed Meeting with Pacific Gas and Electric Company to Discuss Digital Replacement of Process Protection System at Diablo Canyon Power Plant, Units 1 and 2 (TAC Nos. ME7522 and ME7523).

MEMORANDUM TO: FROM: SUB..IECT: DATE & TIME: LOCATION: PURPOSE: UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 September 4, 2013 Michael T. Markley, Chief Plant Licensing Branch IV Division of Operating Reactor Licensing Office of Nuclear Reactor Re...

2020/09/25 NRR E-mail Capture - Acceptance Review - Diablo Canyon Request to Modify Technical Specification 3.2.1 to Implement Methodology from WCAP-17661, Revision 1 (EPID: L-2020-LLA-0200)

From: Lee, Samson Sent: Friday, September 25, 2020 8:32 AM To: Richardson, Michael Subject: Acceptance Review - Diablo Canyon Request to Modify Technical Specification 3.2.1 to Implement Methodology from WCAP-17661, Revision 1 (EPID: L-2020-LLA-0200) By letter dated August 31...

Diablo Canyon, Units 1 and 2 - Response to NRC Letter dated December 20, 2010, Request for Additional Information (Set 37) for License Renewal Application.

Pacific Gas and Electric Company® January 07, 2011 PG&E Letter DCL-1 0-168 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 and 2 James R. Becker Site Vice P...

Diablo Canyon ISFSI - NRC Staff's Response to Intervenors' Petition for Review of LBP-02-023 and LBP-03-011

RAS 6760 UNITED STATES OF AMERICA DOCKETED 09/02/03NUCLEAR REGULATORY COMMISSIONBEFORE THE COMMISSIONIn the Matter of ))PACIFIC GAS & ELECTRIC CO. ) Docket No. 72-26-ISFSI)(Diablo Canyon ISFSI) ) ASLBP No. 02-801-01-ISFSI) ...

Safety Evaluation Report with open Items Related to the License Renewal of Diablo Canyon, Units 1 & 2.

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 January 10, 2011 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: SAFETY EVALUATION RE...

Diablo Canyon, Units 1 and 2 - Review and Comments from the Department of Agriculture and Economic Research Service and Forest Service Regarding Draft Environmental Statement.

AEC DZRTRZRUTZON FOR PART 0 DOCKET MATERIALTEiviPORARY FORivi 'OAVZROL NO:882'O:,D. R, Mullere.CLASS: U PROP Xiii'0FRON:Department of AgricultureWashington, D. C. 20250Te C. ByerlDATE OF DOC:2-2-73ORIG1 si'gnedIiVPiJTDATE REC'D>-5-73CCNO CYS'REC'DLTR YSMO RP1S"hTAEC PDB XSr"h'...

Diablo Canyon, Units 1 & 2, License Amendments 88 & 87, Amendments Revise TS 2.2 Reactor Trip System Instrumentation Setpoints, to Change Overtemperature Delta - T Reactor Trip Setpoint as a Result of a Non-Conservation in Westinghouse Methodology.

February 24, 1994Docket 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 NU...

Diablo Canyon, Units 1 and 2 - Report Prepared by the California Department of Fish and Game entitled, "The Marine Environment in the Vicinity of Diablo Cove with Special Reference to Abalones and Bony Fishes."

AEC D. ~ 13t)i.ION FOR PART 0 DOC)~T Y .RIALmtcwe@~WNIIMXR LENVIROFIFROID:Pacific Gas & Electric CompanySan Francisco, Gal. 94106F.T.'SearlsDAM OF DOC:6/13/73DATE HEC'D6/15/73Oi.=-iLDL,ORIG CC OLDERS".i'm A".CrDH xKAPi. LOCAL ?A)H xCLASS: ij PRO? Ziic'0 ZiiPUT NO CYS REC'DDOC~...