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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

Summary of Regulatory Conference to Discuss Safety Significance of Diablo Canyon Deficiency Involving Inadequate Instructions for Motor Operated Valve Limit Switches.

UNITED STATES NUCLEAR REGULATORY COMMISSION REGION IV 1600 E LAMAR BLVD ARLINGTON, TX 76011-4511 December 1, 2016 EA-16-168 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 ...

09/12/1974 Summary of ACRS Subcommittee Meeting to Discuss Review of Diablo Canyon Operating License Application with Emphases on Geology and Seismology and ECCS - Appendix K Evaluation.

130CKbT MS: 50-275 AND 50-323APPLICANT: PACIFIC GAS AND ELECTRIC COMPAIA'PG)B)FACILITY: DIABIO CANYON, UNITS 1 AND 2SSMRY OF ACRS SUBGG+HTTEE MEETING HELD ON SEFIBSH( 12, 1974An ACRS SLhcommittee iifeeting regardiag tho Diablo Canyon Nuclear PowerStation was held in Nashington...

Response to NRC Request for Additional Information Regarding Diablo Canyon Power Plant, Units 1 and 2 - Post-Shutdown Decommissioning Activities Report

Pacific Gas and Electric Company" March 11, 2020 PG&E Letter DCL-20-012 ATTN: Document Control Desk U.S. Nuclear Regulatory Commission 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 Senior Vice Pr...

Diablo Canyon Units, 1 and 2, License Amendment Request 02-04, Revision of Technical Specification 5.6.6 - Reactor Coolant System Pressure and Temperature Limits Report.

Pacific Gas and Electric Company° Gregory M. Rueger US Mail Senior Vice President- Mail Code B32 Generation and Pacific Gas and Electric Company Chief Nuclear Officer P0 Box 770000 July 31, 2002 San Francisco, CA 94177-0001 Overnight Mail. Mail Code B32 PG&E Letter DCL-02-079...

Diablo Canyon, Units 1 & 2, License Amendments 78 and 77, Change TS 6.9.1.6, "Semiannual Radioactive Effluent Release Report," to Extend Submittal Frequency from Semiannual to Annual.

March 23, 1993Docket Nos. 50-275 and 50-323 Mr. Gregory M. Rueger Nuclear Power Generation, B14A Pacific Gas and Electric Company 77 Bea1e Street, Room 1451 P.O. Box 770000 San Francisco, California 94177 Dear Mr. Rueger: SUBJECT: ISSUANCE OF AMENDMENTS FOR DIABLO CANYON NUCLE...

Diablo Canyon, Units 1 and 2, Supplement to License Amendment Request 11-07. "Process Protection System Replacement."

Pacific Gas and Electric Company® April 30, 2013 PG&E Letter DCL-13-043 u.s. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555-0001 Diablo Canyon Units 1 and 2 Docket No. 50-275, OL-DPR-80 Docket No. 50-323, OL-DPR-82 B arry S. A llen Site Vice P...

Diablo Canyon, Units 1 & 2, Correction to License Amendments 103 and 102, Corrected TS Page 3/4 3-33 is Enclosed.

December 21, 1995Mr. Gregory M. Rueger Pacific Gas and Electric Company NPG - Mail Code AlOD P. 0. Box 770000 San Francisco, California 94177 SUBJECT: CORRECTION TO AMENDMENTS 103 AND 102 FOR DIABLO CANYON NUCLEAR POWER PLANT, UNITS 1 AND 2 (TAC NOS. M91458 AND M91459) Dear Mr...

Diablo Canyon, Submittal - Receiving Water Monitoring Program 1995-2002 Analysis Report.

Pacific Gas and Electric Company EDabllo Canyon Power Plant P0 Box 56 Avila Beach, CA 93424 800 545 6000 November 8, 2002 PG&E Letter DCL-2002-584 Mr. Roger Briggs, Executive Officer Central Coast Regional Water Quality Control Board (CCRWQCB) 81 Higuera Street, Suite 200 San ...

Diablo Canyon, Units 1 & 2, License Amendments 91 and 90, Revise TS 1.44 to Change the Semiannual Radioactive Effluent Release Report to Annual Radioactive Effluent Release Report.

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 March 7, 1994 Docket 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 ...

Comment (7) of Andrew Christie on Behalf Sierra Club on Diablo Canyon Power Plant, Units 1 and 2; Notice of Intent to Prepare an Environmental Impact Statement.

Page 1 of 1As of: 8/7/15 2:30 PMReceived: August 06, 2015PUBLIC SUBMISSION Nau:tedn~'sComments Due: August 31, 20Submission Type: WebDocket: NRC-2009-0552Notice of Receipt and Availability of Application for Renewal of Diablo Canyon Nuclear Power PlantLicenseComment On: NRC-20...

Diablo Canyon, Units 1 and 2, Tech Spec pages for Amendments 155 and 155, revision of TS 3.9.4 Containment Penetrations.

Definitions 1.11.1 Definitions (continued)DOSE EQUIVALENT 1-131 E-AVERAGE DISINTEGRATION ENERGY ENGINEERED SAFETY FEATURE (ESF) RESPONSE TIME LEAKAGEDOSE EQUIVALENT 1-131 shall be that concentration of 1-131 (microcuries/gram) that alone would produce the same thyroid dose as ...

Diablo Canyon Nuclear Power Plant, Units 1 and 2 - Correction to Issuance of Amendment Nos. 233 and 235 to Revise the Emergency Plan to Change Staffing and Extend Staff Augmentation Times for ERO Positions (EPID L-2018-LLA-0248)

UNITED STATES WASHINGTON, D.C. 20555-0001 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 October 7, 2019 SUBJECT: DIABLO CANYO...

2011/02/16 Diablo Canyon LR - Schedule Update

1DiabloCanyonNPEm ResourceFrom: Stuyvenberg, AndrewSent: Wednesday, February 16, 2011 2:19 PMTo: Grebel, TerenceCc: DiabloCanyonNPEm Resource; Tan, MirandaSubject: Schedule UpdateTerry – I’ve been working on the Diablo Canyon schedule change and the accompanying letter, which ...

Diablo Canyon Units 1 and 2, Reissuance of TS Bases Pages B 3/4 0-2 With Enclosed Pages.

January 18, 7' 1. Docket Nos. 50-275 DISTRIBUTION and 50-323 Docket Fil-e PD5 Plant File NRC & LPDRs GHill (8) HRood Wanda Jones BBoger OC/LFMB Mr. J. D. Shiffer MVirgilio ACRS (10) Senior Vice President JDyer OGC Nuclear Power Generation DFoster GPA/PA Pacific Gas and Electr...

San Luis Obispo Mothers for Peace's Motion to File New Contentions Regarding Adequacy of Environmental Report for Diablo Canyon License Renewal Applications.

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 SAN LUI...

Comment (19) of Del Ritchie on Diablo Canyon Power Plant, Units 1 and 2, Notice of Intent to Prepare an Environmental Impact Statement.

8/20/20158/202015N RC-2009-0552-DRAFT-0034.htmilAs of: 8/20/15 2:10 PM1~epivpd: Aiirni~t 17 '9015PUBLIC SUBMISSION Status: PendingPostTracking No. ljz-8klg-xg8rComments Due: August 31, 201Submission Type: WebDocket: NRC-2009-0552Notice of Receipt and Availability of Applicatio...

FOIA request that all operational readiness ltrs for Diablo Canyon be placed in PDR.

_'}/R/AJ/R/A/ ASSOCIATESRegulatory Information and Support Systems1304 REDDITCH COURT, LARGO, MARYLAND 20772 (301) 336-4982February 20, 1987OGW-87-025-Y982Mr. Donnie H. Grimsley, DirectorDivision of Rules and Recordsg y gggOffice of Administrationgg gU.S. Nuclear Regulatory Co...

Monthly operating repts for Sept 1991 for Diablo Canyon, Units 1 & 2.W/911015 ltr.

ACCELERATED DI RIBUTION DEMONS TION SYSTEMREGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)ACCESSION NBR:9110150325 DOC.DATE: 91/09/30 NOTARIZED: NO DOCKETFACIL:50-275 Diablo Canyon Nuclear Power Plant, Unit 1,Pacific Ga 0500027550-323 Diablo Canyon Nuclear Power Plant, Unit 2...

Diablo Canyon, Unit 1, Technical Specification, Revise Technical Specification 3.3.5, Loss of Power Diesel Generator Start Instrumentation. (Tac. MC2535).

LOP DG Start Instrumentation3.3.53.3 INSTRUMENTATION3.3.5 Loss of Power (LOP) Diesel Generator (DG) Start InstrumentationLCO 3.3.5APPLICABILITY:ACTIONSOne channel per bus of loss of voltage DG start Function; and twochannels per bus of degraded voltage Function shall be OPERAB...

Forwards "Diablo Canyon Unit 1 Operational Readiness," summarizing actions planned to ensure plant readiness for fuel load & low power testing per IDVP.

REGULAT INFORMA'TION DISTRIBUTION STEM (RIOS)ACCESSION-,w)BR;8308150259 OOC ~DATE: 83/08/10 NOTARIZED; NODOCKET ¹FACIl~i50 275 Diablo Canyon Nuc lear Power .Planti Unit ii „Pacific«Ga 05000275AUTH',NAME'UTHOR AFFILIATIONSCHUYLER~J,»O»'Pacific Gas 8, Electric Co,RECIP NAMF- REC...

Diablo Canyon Power Plant, Units 1 And 2 - Notification Of NRC Initial Operator Licensing Examination 05000275/2018301; 05000323/2018301

April 13, 2017 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 SUBJECT: DIABLO CANYON POWER PLANT, UNITS 1 AND 2 - NOTIFICATION OF NRC IN...

Diablo Canyon, Units 1 and 2 - Notification of NRC Initial Operator Licensing Examination 05000275/2010301 and 05000323/2010301.

March 16, 2009 John T. Conway Senior Vice President & Chief Nuclear Officer Pacific Gas and Electric Company P. O. Box 3 Mail Code 104/6/601 Avila Beach, CA 93424 SUBJECT: DIABLO CANYON, UNITS 1 AND 2 - NOTIFICATION OF NRC INITIAL OPERATOR LICENSING EXAMINATION 0500...

Diablo Canyon, Enclosure One, Review Of Preliminary Accident Sequence Precursor Analysis Of Operational Events

Enclosure One___ IN N- A I N-rellmlnary vrecursor Anaiysis Diablo Canyon Unit 1 Extended loss of offsite power to safety-related buses due to 12-kV bus fault I Event Date 05/15/2000 LER 275/00-004-01 CCDP = 3.1 x1 0-4 Event Summary, On May 15, 2000, at 0025 PDT, Diablo Canyon ...

Diablo Canyon Power Plant - NRC Integrated Inspection Report 05000275/2015004 and 05000323/2015004.

UNITED STATES NUCLEAR REGULATORY COMMISSION REGION IV 1600 E. LAMAR BLVD. ARLINGTON, TX 76011-4511 February 4, 2016 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...

Diablo Canyon, Units 1 and 2 - NRC Integrated Inspection Report 05000275/2019001 and 05000323/2019001.

May 10, 2019 Mr. James M. Welsch Vice President Nuclear Generation and Chief Nuclear Officer Pacific Gas & Electric Company Diablo Canyon Power Plant P.O. Box 56, Mail Code Avila Beach, CA 93424 SUBJECT: DIABLO CANYON POWER PLANT, UNITS 1 AND 2 – NRC INTEGRATED I...