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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, Unit Nos. 1 and 2 - Request for Additional Information Associated with Near-Term Task Force Recommendation 2.1, Seismic Reevaluations.

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 June 29, 2015 SUBJECT: DIABLO CANYON POWER PLANT, UNI...

2014/03/31 NRR E-mail Capture - Documentation of NRC Verbal Approval for Diablo Canyon Unit 1 Proposed Alternative - Main Steam Vent Line Temporary Clamp Repair

1NRR-PMDAPEm ResourceFrom: Bamford, PeterSent: Monday, March 31, 2014 8:43 AMTo: Markley, MichaelCc: Lupold, Timothy; Tsao, John; Alexander, Ryan; Drake, James; Hipschman, Thomas; Walker, WayneSubject: Documentation of NRC Verbal Approval for Diablo Canyon Unit 1 Proposed Alte...

FOIA/PA-2006-0139 - Diablo Canyon Plant, December 2003 Monthly Operating Report

From: To: Date: Subject: Jim Vassello ~jvassello@scientech.com~ "FOIA (FOIA@NRC.GOV)" Fri, Mar 10,2006 1 :34 PM FOlA Request This is a FOlA request The December 2003 Monthly Operating Report for Diablo Canyon Plant is not on the public side of ADAMS Please release Jim James V...

Evaluation of the Potential Piping Degradation Safety Concern on the Auxiliary Feedwater System at Diablo Canyon Unit 1 (EPID L-2020-LLA-0176)

EVALUATION OF THE POTENTIAL PIPING DEGRADATION SAFETY CONCERN ON THE AUXILIARY FEEDWATER SYSTEM AT DIABLO CANYON UNIT 1 AN ANALYSIS PERFORMED IN SUPPORT OF THE COMMENTS SUBMITTED TO THE NRC ON BEHALF OF THE MOTHERS FOR PEACE OF SAN LUIS OBISPO DAVID LOCHBAUM AUGUST...

"Phase II Status Rept,Design Verification Program,Diablo Canyon Power Plant."

PACIFIC GASAND ELECTRIC COMPANYPHASE II STATUS REPORTDESIGN VERIFICATIONPROGRAMrQDDiabloCanyon Power PlantMarch 1983830325008i8303i1PDRADOGK05000275P',,', PDRPACIII IC CvA.S A.ND ZIJZCTRIC CO%PA.ILIY'7BEALE STREET, SAN FRANCISCO, CALIFORNIA 94106P. O. BOX 7442, SAN FRANCISCO, ...

Letter from Kenneth W. Cortese re: Report on Discharge Monitoring at Diablo Canyon Power Plant.

Pacific Gas andElectric CompanyDate: April 17, 2014PG&E Letter DCL-2014-517Pacific Gas and Electric CompanyDiablo Canyon Power PlantP.O. Box 56Avila Beach, CA 93424Electronic SubmissionCIWQS Web ApplicationCalifornia Regional Water Quality Control BoardCentral Coast RegionAttn...

Evaluation of Adequacy of the Reactor Pressure Vessel Supports for Diablo Canyon Units 1 & 2.

NRC FORM 195I2.76)4'NRC DISTRIBUTION FQR 4, T 50 DOU.S, NUCLEAR REGULATORY COMMISSIONCKET MATERIALOOCKET NUFILE NUMBERTQeMr, R. ST BoydFROM:Pacific Gas & Electric CompanySan Francisco, California~Mr. Phili A. Crane, Jr.OATE OF OOCUMENT7/20/76DATE RECEIVED7/22/76ETTERPKORIGINAL...

2010/08/11 Diablo Canyon LR - Draft RAI Set 20 - Aging Management Programs

1DiabloCanyonNPEm ResourceFrom: Ferrer, NathanielSent: Wednesday, August 11, 2010 3:03 PMTo: Grebel, Terence; Soenen, Philippe RCc: DiabloHearingFile ResourceSubject: Draft RAI Set 20 - Aging Management ProgramsAttachments: Draft RAI Set 20 AMP RAIs.docTerry and Philippe, Att...

Forwards "Diablo Canyon Nuclear Power Plant Independent Design Verification Program," semimonthly rept for Apr 1983. Change will be reflected in next update of DCNPP-IDVP-PP- 007.

REGULATORY FORMATION DISTRIBUTIONS'fEM (RIDS)ACCESSION NBR'8300FACIL:50 275 DiabAUTHBYNAMECOOPERgl<,EDROC IP, NAMEDENTONgH~RiMARTINgJ ~ BoMANEATISlV Ik ,'AI'f'f lI skI? ~~~ew~~~cn: ~~C X3 ~I'lI' IIlgf 4, lfffgk 11, f I MI 1'Ikq' II 1Ik~~'I'l 'I'~) l t r'IIIf )I'l$ )'18i !lkil ...

Diablo Canyon Nuclear Power Plant, Units 1 and 2 - Withdrawal of Request for Exemption from Operator Written Examination and Operating Test (EPID L-2019-LLE-0004)

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 Mr. James M. Welsch Vice President, Nuclear 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 June 1...

11/4/13 Acknowledgement Ltr to A. Hill re storage of spent fuel at Diablo Canyon.

November 4, 2013 Mr. Adam Hill Supervisor, District 3 San Luis Obispo County 1055 Monterey, Room D430 San Luis Obispo, CA 93408-1003 Dear Mr. Hill: This is to acknowledge receipt of your letter dated October 22, 2013 to Chairman Allison Macfarlane concerning the stor...

02/20 - 02/22/1974 Notice of Forthcoming Diablo Canyon Site Visit and Meeting with Pacific Gas and Electric Company.

, DISTRIBUTION:Docket(2)'PReadingL ReadingDocket Nos. 50-275and 50-323~FEB 1 1974Karl R. Goller, Chief, Light Water Reactors Group 1-3, LPORTHCCIING DIABLO CANYON,SITE VISIT AND MEETING HXTH PACIFIC GASAND ELECTRXC COMPANYTime and Date:Location:Purpose:9:00 A. M.-February 20-2...

OEDO-16-00436: Transcript from Petition Review Board Meeting on Apparent 50.9 Violation at Diablo Canyon

Official Transcript of Proceedings NUCLEAR REGULATORY COMMISSION Title: 10 CFR 2.206 Petition Review Board RE Diablo Canyon Docket Number: (n/a) Location: teleconference Date: Tuesday, August 2, 2016 Work Order No.: NRC-2527 Pages 1-18 NEAL R. G...

2015/08/26 NRR E-mail Capture - Diablo Canyon 1 and 2 - Acceptance Review for Relief Request PRS-3 (TAC Nos. MF6520 and MF6521)

1NRR-PMDAPEm ResourceFrom: Lingam, SivaSent: Wednesday, August 26, 2015 4:38 PMTo: Soenen, Philippe R (PNS3@pge.com); 'mjrm@pge.com'; Schrader, Kenneth (KJSe@pge.com)Cc: Markley, Michael; Audrain, Margaret; Alley, David; Burkhardt, JanetSubject: Diablo Canyon 1 and 2 - Accepta...

Diablo Canyon Units 1 and 2, Response to NRC Regulatory Issue Summary 2014-05, Preparation and Scheduling of Operator Licensing Examinations.

Pacific Gas and E lectric Company® July 30, 2014 PG&E Letter DCL-14-065 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 M. Welsch Station Direct...

Diablo Canyon Units 1 and 2, Response to NRC Regulatory Issue Summary 2013-06. Preparation and Scheduling of Operator Licensing Examinations.

Pacific Gas and Electric Company® July 15, 2013 PG&E Letter DCL-13-072 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 M. Welsch Station Directo...

IR 05000275-07-402; 05000323-07-402; on 11/05/07 - 11/08/07; Diablo Canyon Power Plant, Units 1 and 2; Security Team Inspection - Letter Only.

OFFICIAL USE ONLY  SECURITY-RELATED INFORMATION OFFICIAL USE ONLY  SECURITY- RELATED INFORMATION December 6, 2007 John S. Keenan Senior Vice President - Generation and Chief Nuclear Officer Pacific Gas and Electric Company P.O. Box 770000 Mail Code B32 San Francisco,...

IR 05000275-11-406 and IR 05000323-11-406, on 06/30/2011, Diablo Canyon, Units 1 & 2, NRC Special Inspection (Cover Letter).

“Enclosure transmitted herewith contains SUNSI. When separated from enclosure, this transmittal document is decontrolled.” OFFICIAL USE ONLY - SECURITY RELATED INFORMATION OFFICIAL USE ONLY – SECURITY-RELATED INFORMATION August 11, 2011 John T. Conway Senior Vice Preside...

Diablo Canyon Units 1 & 2, Order Extending Construction Completion Dates to Accommodate Commission's Announcement of a Pause in Issuing Operating Licenses to Spring of 1980.

DIABLO CANYON CONSTRUCTION COMPLETION DATE EXTENSION FOR UNITS 1 AND 2 DATED FEBRUARY 5, 1980Docket Files NRC PDR Local PDR LWR #1 Reading Attorney, ELD D. Ross D. B. Vassallo S. Varga J. F. Stolz B. C. Buckley E. G. Hylton (5) I&E (5) N. Dube D. Crutchfield R. Diggs I. Dinitz...

Part 3 of 22, Diablo Canyon Independent Spent Fuel Storage Installation, Submittal of Non-Proprietary Calculation Packages, Holtec Report No HI-2012768, "Transporter Stability on Diablo Canyon Dry Storage Travel Paths."

Holtec Center, 555 Lincoln Drive West, Marlton, NJ 08053 Telephone (856) 797- 0900 Fax (856) 797 - 0909mNmmNI HNTENATIONALTRANSPORTER STABILITY ON DIABLO CANYON DRY S TORA GE TRAVEL PATHS FOR PG&E-DIABLO CANYONI...Holtec Report No: HI-2012768 Holtec Project No: 1073 Report Cla...

Draft Amendment No. 2 To Materials License No. SNM-2511 For The Diablo Canyon Independent Spent Fuel Storage Installation (TAC No. L24515).

December 27, 2011 Mr. James R. Becker Site Vice President Pacific Gas and Electric Company Mail Code 104/5/601 P.O. Box 56 Avila Beach, CA 93424 SUBJECT: DRAFT AMENDMENT NO. 2 TO MATERIALS LICENSE NO. SNM-2511 FOR THE DIABLO CANYON INDEPENDENT SPENT FUEL STORAGE INSTALL...

LER 2020-002-00 for Diablo Canyon Power Plant, Unit 2, Manual Reactor Trip Due to Increased Main Generator Hydrogen Usage

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 September 15, 2020 PG&E Let...

LER 02-003-00 for Diablo Canyon Unit 2 Regarding TS 3.7.7 Not Met Due to Cable Fault.

Pacific Gas andElectirc CompanyDavid H. OatleyVice PresidentDiablo Canyon OperationsDiablo Canyon Power PlantPO Box 56Avila Beach, CA 93424805 545 4350Fax 805 545 4234October 18, 2002PG&E Letter DCL-02-123U.S. Nuclear Regulatory CommissionATTN: Document Control DeskWashington,...

Diablo Canyon 1/2, Letter, Notice of Consideration Of Issuance Of Amendment To Facility Operating Licenses Proposed No Significant Hazards

April 13, 2000Mr. Gregory M. RuegerSenior Vice President and General ManagerPacific Gas and Electric CompanyDiablo Canyon Nuclear Power PlantP.O. Box 3Avila Beach, CA 93424SUBJECT: NOTICE OF CONSIDERATION OF ISSUANCE OF AMENDMENT TO FACILITYOPERATING LICENSES, PROPOSED NO SIGN...

Diablo Canyon, Units 1 and 2 - Thirty-Day Notification Report of Significant Emergency Core Cooling System Evaluation Model Changes That Affect Peak Cladding Temperature and 10 CFR 50.46 Annual Report of Emergency Core Cooling System Evaluation Mode

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 Ver de x Wolf Cr eek May 2...