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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, Humbold Bay, Unit 3, Weighting Factors RAI Response, SE Input.

SAFETY EVALUATION BY THE OFFICE OF NUCLEAR REACTOR REGULATION RELATED TO APPROVAL TO USE EFFECTIVE DOSE EQUIVALENT WEIGHTING FACTORS FOR EXTERNAL RADIATION EXPOSURE PACIFIC GAS AND ELECTRIC COMPANY DIABLO CANYON, UNITS 1 & 2 HUMBOLDT BAY , UNIT 3 DOCKET NOS. 50-275, 50-32...

LER 06-004-00 for Diablo Canyon, Unit 2 Regarding Automatic Reactor Trip due to Circulating Water Pump Surge Capacitor Failure.

Pacific Gas andElectric Company'James R. Becker Diablo Canyon Power PlantVice President P. 0. Box 56Diablo Canyon Operations and Avila Beach, CA 93424Station Director805.545.3462February 12, 2007 Fax: 805.545.4234PG&E Letter DCL-07-015U.S. Nuclear Regulatory CommissionATTN: Do...

Declaration Of Mark Cooper In Support Of San Luis Obispo Mothers For Peace's Motion To File New Contentions Regarding Adequacy Of Environmental Report For Diablo Canyon License Renewal Application.

1 April 6, 2015 UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION BEFORE THE ATOMIC SAFETY AND LICENSING BOARD In the matter of Pacific Gas and Electric Company Docket Nos. 50-275-LR Diablo Canyon Nuclear Power Plant 50-323-LR Units 1 and 2 DECL...

Diablo Canyon Nuclear Power Plant, Units 1 and 2 - Summary of November 24, 2020, Pre-Submittal Teleconference with Pacific Gas and Electric Company Re: A Permanently Defueled Technical Specification License Amendment Request (EPID L-2020-LRM-0101)

December 1, 2020 LICENSEE: Pacific Gas and Electric Company FACILITY: Diablo Canyon Nuclear Power Plant, Units 1 and 2 SUBJECT: SUMMARY OF NOVEMBER 24, 2020, PRE-SUBMITTAL TELECONFERENCE WITH PACIFIC GAS AND ELECTRIC COMPANY REGARDING A PERMANENTLY DEFUELED TECHNICAL...

Request for Additional Information Related to the Review of the Diablo Canyon Nuclear Power Plant, Units 1 and 2, License Renewal Application (TAC ME2896 and ME2897) - Aging Management Programs.

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 August 26,2010 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, Unit Nos. 1 and 2-Acceptance Review of Proposed Amendments Re: Revision to Technical Specifications 3.7.5, 'Auxiliary Feedwater System,' & 3.7.6, 'Condensate Storage Tank & Fire Water Storage Tank (Tac Nos. MD8471 and MD8472).

August 1, 2008 Mr. John Conway Senior Vice President - Station Generation and Chief Nuclear Officer Pacific Gas and Electric Company Diablo Canyon Power Plant P.O. Box 770000 San Francisco, CA 94177-0001 SUBJECT: DIABLO CANYON POWER PLANT, UNIT NOS. 1 AND 2 – ACCEPTE...

07/31-08/04/78 Notice of Forthcoming Meeting with Pacific Gas and Electric Company to Discuss Environmental Qualification of Diablo Canyon Electrical Equipment.

MEETING NOTICE DISTRIBUTIONLIGHT WATER REACTORS BRANCH NO. 1o et File

Diablo Canyon, Units 1 & 2, Letter dated May 31, 2978, transmitting copies of the Atomic Energy Commission's final environmental statement, dated May 1973, on environmental considerations for Plant.

AEC DI~MXBUTION FOR PART 50 DOCKET MAT AXIAL(TEMPORARY FORM) CONTROL NO: 6602'ILE'. ENVIROFROM:U. S. Dept.of'he InteiiorWashington D. C. 20240DATE OF DOC8-27-73DATE REC'D8-29-73LTR MBIO RPT OTHERTO:D. R. MullerORIG1 signedCC 'OTHER SENT AEC PDR XSENT LOCAL'DR XCLASS UNCLASSXXX...

2016/11/14 NRR E-mail Capture - Acceptance Review - Relief Request NDE-RCS-SE-1R20, Diablo Canyon Power Plant, Unit 1 (CAC No. 8454)

1NRR-PMDAPEm ResourceFrom: Singal, BalwantSent: Monday, November 14, 2016 2:45 PMTo: Richardson, Michael; DeVaughn, ElijahSubject: Acceptance Review - Relief Request NDE-RCS-SE-1R20, Diablo Canyon Power Plant, Unit 1 (CAC No. 8454)By letter dated October 10, 2016 (Agencywide A...

Attachment 4, AREVA Calculation No. 32-9221080-001 Diablo Canyon, Unit 2 Pressurizer Safety/Relief Nozzles Laminar/Planar Flaw Analysis - Non Proprietary.

Attachments 1 and 2 to the Enclosure contain Proprietary Information -Withhold Under 10 CFR 2.390Attachment 4PG&E Letter DCL-14-051AREVA Calculation No. 32-9221080-001Diablo Canyon Unit 2 Pressurizer Safety/Relief NozzlesLaminar/Planar Flaw Analysis - Non ProprietaryAttachment...

"Emergency Plan Evaluation Rept on Diablo Canyon Nuclear Power Plant,PG&E Emergency Plan Dtd Aug 1981."

()PAGE: 1.rm r =reEMERGENCY PLAN EVALUATION REPORTONDiablo Canyon Nuclear Power PlantPacific Gas and Electric CompanyEmergency Plan Dated August, 1981.EVALUATION SUMMARYThe Diablo Canyon Emergency Plan dated August, 1981 was evaluated using thesixteen Planning Standards and th...

Advises that Joint Intervenors object to Commission consideration of FEMA review of 810819 emergency planning exercise & J Aron memorandum.Fairness requires all parties be given opportunity to review & challenge FEMA review.

\,*4soAno oF TausTErsCENTER FOR LAWLEGAL STAFFIN THE PUBLIC INTERESTJArts w. AoLrP owew oLPiw AustiA e A. erLin" '""5^"'^""'*^'""'"un'no'R 'n"A '#c"r'Ot",!'#a.itR." fin"InL.omoFIFTH FLOOR yiuoyny a ptywwMOwAmo L. BERMAh 908 PAYSON00 REY CO N W LL A PRE*R LE W LL, JR.M a n fts'...

Responds to 08/05/1977 Note Regarding Role of the Nuclear Regulatory Commission staff in the Licensing Review of the Diablo Canyon Nuclear Power Plant.

AUG 30 1977Tne Honorable Alan CranstonUnited St:ates SenateViashington, D. C. 20510Dear Senator Cranston:I am please% to respond to your note of Augu t 5, 1977. You forwardeda letter from your constituent, Mr. Frederic Chase, and requested ourcomments on Kr. Chase's concerns r...

G20100072/LTR-10-0042/EDATS: SECY-2010-0085/SECY-2010-0314 - E-mail Rochelle Becker re: Diablo Canyon License Renewal.

OFFICE OF THE SECRETARYCORRESPONDENCE CONTROL TICKETDate Printed: Feb 03, 2010 12:04PAPER NUMBER:ACTION OFFICE:/L-TR- 10-0042// ILOGGING DATE: 02/03/2010AUTHOR:AFFILIATION:ADDRESSEE:SUBJECT:ACTION:DISTRIBUTION:LETTER DATE:ACKNOWLEDGEDSPECIAL HANDLING:Rochelle BeckerCAGregory J...

Diablo Canyon, Units 1 & 2, License Amendment 31and 30, Amendments Decrease Maximum Closure Time for Containment Vacuum/Pressure Relief Valves from 10 Seconds to 5 Seconds.

August 29, 1988Docket Nos. 50-275 and 50-323 Mr. J. D. Shiffer, Vice President Nuclear Power Generation c/o Nuclear Power Generation, Licensing Pacific Gas and Electric Company 77 Beale Street, Room 1451 San Francisco, California 94106 Dear Mr. Shiffer: SUBJECT: ISSUANCE OF AM...

12/9/10 Summary of Telephone Conference Call Held Between NRC and PG&E Concerning Requests for Additional Information Response Related to the Diablo Canyon Nuclear Power Plant, Units 1 and 2, License Renewal Application (TAC Nos. ME2896 & ME2897).

\.~"'~ REGu<.q UNITED STATES ~~v ""01> NUCLEAR REGULATORY COMMISSION ! ~ WASHINGTON, D.C. 20555-0001

Comment (91) of Alexander Cannara on Diablo Canyon Nuclear Power Plant, Units 1 and 2; Notice of Intent to Prepare an Environmental Impact Statement.

9/1/2015 9/12015N RC-2009-0552-DRAFT-0085.htmlAs of: 9/1/15 5:10 PMPUBLIC SUBMISSION Status: PendingPostTracking No. ljz-8kv8-86kqComments Due: August 31, 201Submission Type: WebDocket: NRC-2009-0552Notice of Receipt and Availability of Application for Renewal of Diablo Canyon...

LER 05-001-01 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. Oatley Diablo Canyon Power PlantVice President and General Manager P. 0. Box 56Avila Beach, CA 93424805.545.4350January 31, 2006 Fax: 805.545.4884PG&E Letter DCL-06-015U.S. Nuclear Regulatory CommissionATTN: Document Control DeskWashing...

Special Report 00-05 - Results of Steam Generator Alternate Repair Criteria for Diablo Canyon Unit 1 Tenth Refueling Outage

Pacific Gas and Electric CompanyLawrence F. Womack Diablo Canyon Power Plant Vice President PC Box 56 Power Generation and Avila Beach, CA 93424 Nuclear Services 805.545.4600 February 5, 2001 805.545.4234 Fax: 805.54542334 PG&E Letter DCL-01-010 U.S. Nuclear Regulatory Commiss...

Diablo Canyon, Units 1 and 2 - Comments on the Safety Evaluation Report with Open Items Related to License Renewal.

Pacific Gas and Electric Company® March 25, 2011 PG&E Letter DCL-11 -021 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 Pre...

Diablo Canyon, Units 1 & 2 - 120-Day Response to NRC Request for Information Pursuant to 10 CFR 50.54(f) Regarding the Seismic Aspects of Recommendation 2.3 of the Near-Term Task Force Review of Insights from Fukushima...

Pacific Gas and Electric Company® July 9,2012 PG&E Letter DCL-12-066 u.s. Nuclear Regulatory Commission ATTN : Document Control Desk 11555 Rockville Pike Rockville, MD 20852 Docket No. 50-275, OL-DPR-80 Docket No. 50-323, OL-DPR-82 Diablo Canyon Units 1 and 2 James R. Becker S...

Diablo Canyon, Units 1 and 2, Commitment Regarding License Amendment Request 09-02, "Revision to Technical Specification 3.4.15, 'RCS Leakage Detection Instrumentation,' Operability Requirements and Actions for RCS Leakage Detection Instrumentation".

Pacific Gas and Electric Company® July 22,2010 PG&E Letter DCL-10-085 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 Presid...

"Rept on Aliso Canyon Fault & Alleged Mountain Top Fault Zone,Camp Pendleton,CA."

REPORT ONTHE "ALISO CANYON FAULT" AND THE ALLEGED "MOUNTAIN TOP FAULT ZONE" CAMP PENDLETON, CALIFORNIA November 25, 1981 SOUTHERN CALIFORNIA EDISON COMPANY AND SAN DIEGO GAS AND ELECTRIC COMPANYDuring the Atomic Safety Licensing Board hearings for San Onofre Nuclear Generating...

Diablo Canyon Response to NRC Bulletin 2003-01, "Potential Impact of Debris Blockage on Emergency Sump Recirculation at Pressurized Water Reactors."

December 29, 2005Mr. David H. Oatley, Acting Chief Nuclear OfficerVice President and General ManagerPacific Gas and Electric CompanyDiablo Canyon Power PlantP.O. Box 56Avila Beach, CA 93424SUBJECT: DIABLO CANYON POWER PLANT UNIT 1 AND UNIT 2 - RESPONSE TO NRCBULLETIN 2003-01,...

Forwards std order for DOE work, "Specialized Insp Support - Technical Assistance for Diablo Canyon - Design Verification Program."

)FlEHQyzrEpp~Department of EnergySan Francisco Operations 0%ce1333 BroadwayOaMand, California 94612-.'%SEP 2 I PHl2:58REGfoN Vt:c18SEP 1983Mr. J. B. MartinRegional AdministratorU. S. Nuclear Regulatory CommissionRegion V1450 Maria Lane, Suite 210Walnut Creek, CA 94596Subject: ...