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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, Units 1 and 2, IR 05000275-03-008, 05000323-03-008; 09/28/03 - 12/31/03; Fire Protection, Maintenance Effectiveness, Postmaintenance Testing, ALARA Planning and Controls, Problem Identification and Resolution.

January 30, 2004Gregory M. Rueger, Senior Vice President, Generation and Chief Nuclear OfficerPacific Gas and Electric CompanyDiablo Canyon Power PlantP.O. Box 3Avila Beach, CA 93424SUBJECT: DIABLO CANYON POWER PLANT - NRC INTEGRATED INSPECTIONREPORT 05000275/2003008 AND ...

Amended "Shootaring Canyon U Processing Facility Tailings Mgt Plan." With five oversize drawings.

e-1|1k|T AILINGS ~M ANAGEMENT P LANAMEMDED M ARCH 5,1999'|||FOR|S HOOTARING C ANYON U RANIUMIP ROCESSING F ACILITYdU.S. Nuclear Regulatory Commission - License Number SUA-1371U.S. Nuclear Regulatory Commission- Docket Number 40-8698Utah Department of Environmental QualityDivis...

Response to Letters dated February 24 and March 7, 1977 Regarding Letters from Honorable John Krebs Constituents Expressing Concern about Delays in the Start of Operation of the Diablo Canyon Plant.

DISTRIBUTIONDocket Files (50-275 8 50-323)NRC PDRLocal ODREDOReadingNRR ReadingLHR 1 FileB. C. RuscheE. G. CaseR. S. BoydD. B. VassalloAttorney, ELDCA(3)G. Ertter (01644) /(o~ >N. GroffE. HughesL. DreherJ. StolzD. AllisonE. HyltonJ. Yore, ASLBIE(3)SECY HailFacility (3) (77-034...

Diablo Canyon Power Plant, Units 1 And 2 - Notification Of Temporary Instruction Inspection (TI) 2515/194 (NRC Inspection Report 05000275/2020011 And 05000323/2020011) And Request For Information

January 8, 2020 Mr. James M. Welsch Senior Vice President, Generation and Chief Nuclear Officer Pacific Gas and Electric Company P.O. Box 56 Mail Code 104/6 Avila Beach, CA 93424 SUBJECT: DIABLO CANYON POWER PLANT, UNITS 1 AND 2 - NOTIFICATION OF TEMPORARY INSTRUCTIO...

Diablo Canyon, Units 1 & 2, License Amendments 101 and 100, Allows Outage Time of Refueling Water Storage Tank for Adjustment of Boron Concentration from one Hour to Eight Hours.

April 14, 1995Mr. Gregory M. Rueger Nuclear Power Generation, B14A Pacific Gas and Electric Company 77 Beale Street, Room 1451 P. 0. Box 770000 San Francisco, California 94106 Dear Mr. Rueger: SUBJECT: ISSUANCE OF AMENDMENTS FOR DIABLO CANYON NUCLEAR POWER PLANT, UNIT NO. 1 (T...

Diablo Canyon Units 1 & 2, License Amendments 21 & 20, Requires a Program to Ensure that, Position of Containment Polar Cranes will Preclude Jet Impingement from a Postulated Pipe Rupture.

September 18, 1987Docket 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 94106DISTRIBUTION Docket Ffle NRC & LPDRs C...

Diablo Canyon Units 1 & 2, License Amendments 13 & 11, Allows Replacement of Fuel Rods in Fuel Assemblies with Filler Rods or Vacancies on a Limited Basis Provided that such Replacement is Demonstrated to be Acceptable by a Cycle-Specific Analysis.

June 8, 1987Docket No. 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 94106DISTRIBUTION Docket File NRC A LPDRs CTrammell...

Diablo Canyon Power Plant (DCPP), Units 1 & 2, Renewal Feasibility Study, Environmental Report, Technical Data Report, "Heat Shock".

Diablo Canyon License Renewal Feasibility StudyEnvironmental ReportTechnical Data ReportHEAT SHOCKRevision 02008TABLE OF CONTENTSSection Page1. Background 12. Clean Water Act (CWA) Section 401 Certification 13. Consultations with Regulatory Agencies 14. Fish and Shellfish Reso...

Forwards updated FSAR for Diablo Canyon Units 1 & 2. Update reflects status of facilities through 840322 & contains info required by 10CFR50.71(e),including changes made to Unit 1 since previously submitted FSAR.

REGULATORY NFORMATION DISTRIBUTION S EM (RIDS)ACCESSION NBR:8409260411 DOC ~ DATE: 8Q/09/21 NOTARIZED: YES DOCKETFACIL:50-275 Diablo Canyon Nuclear Power Planti Unit 1< Pacific Ga 0500027550-323 Diablo Canyon Nuclear Power PlantP Unit 2r Pacific Ga 05000323AUTH,NAtiE AUTHOR Af...

Investigation of Pacific Gas & Electric Diablo Canyon Power Plant.

at 04/20/2000 9:50 PM 002SProject On LIBERTY AND THE WORKPLACE 1612 K Street, N. W., Suite 1004 Washington, DC 20006 202-955-6968 .fax: 202-955-5733 .www.projectlaw.org April 20, 2000 VIA TELECOPIER Hon. Richard A. Meserve Chairman, Nuclear Regulatory Commission Hon. Hubert T....

Diablo Canyon, Unit 2, 60-Day Response to Revision 1 of NRC Order EA-03-009, "Issuance of First Revised NRC Order (EA-03-009) Establishing Interim Inspection Requirements for Reactor Pressure Vessel Heads at Pressurized Water Reactors."

Pacific Gas and• Electric Company®James R. Becker Diablo Canyon Power PlantSite Vice President and Mail Code 104/5/502Station Director P. 0. Box 56Avila Beach, CA 93424June 11, 2008 805.545.3462Internal: 691.3462PG&E Letter DCL-08-047 Fax:-805.545.4234U.S. Nuclear Regulatory C...

Diablo Canyon, Units 1 & 2, License Amendments 107 and 106, Revise TS by Adding Mode 1 Applicability to TS 3/4.4.2.2, and by Changing LTOP System Enable Temperature for Mode 4 Applicability from 323 degrees F to 270 degrees F.

August 23, 19 , Mr. Gregory M. Rueger-' Nuclear Power Generation, B14A Pacific Gas and Electric Company 77 Beale Street, Room 1451 P. 0. Box 770000 San Francisco, California 94106 SUBJECT: ISSUANCE OF AMENDMENTS FOR DIABLO CANYON NUCLEAR POWER PLANT, UNIT NO. 1 (TAC NO. M9276...

Requests,on behalf of Joint Intervenors to Diablo Canyon OL proceeding,that NRC prepare supplemental EIS considering environ consequences of Class 9 accidents.

'**oN3 son. car aanDAVID 5. FLEISCHAKER*,ATkORNEY AT tm,AW1735 EYE STREET N.W.WASHINGTON. D. C. 2 coossusTE 7osOctober 17, 1980iDr. Harold DentonDirector of Nuclear ReactorRegulationUnited States Nuclear RegulatoryCommissionWashington, D.C. 20555Dear Dr. Denton:I am writing on...

Diablo Canyon, Requesting Rescission of the Order Suspending Certain Construction Activities in Connection with Units 1 & 2.

ARC D~ZRLTZON FOR PART 0 DOCIRT bRIALMevAPOBARY r OB>A ComROr. iVO:ENVIROFI~: HiON:Pacific Gas & Electric CompanySan Prancisco, California 94106F. T. Searls4-19-73'4-.23-73 xDATE OF DOC: DATr REC'DLW i%i'AO Gi."AL, Manning MuntzingORIG'si'gnedCC Fh7.A=C iDRe ALCEASSo~lj PROP X...

Diablo Canyon ISFSI - NRC Staff Response to San Luis Obispo County's First Set of Interrogatories and Requests for Production of Document Directed to the NRC Staff

RELATED CORRESPONDENCE February 21, 2003RAS 5820 DOCKETED 02/24/03UNITED STATES OF AMERICANUCLEAR REGULATORY COMMISSIONBEFORE THE ATOMIC SAFETY AND LICENSING BOARDIn the Matter of ))PACIFIC GAS & ELECTRIC CO. ) Docket No. 72-26-ISFSI)(Diablo Canyon Power P...

Diablo Canyon Power Plant, Units 1 and 2, Technical Specifications, Revisions to Technical Specifications 3.3.1, "Reactor Trip System (RTS) Instrumentation" and 3.3.2, "Engineered Safety Feature Actuation System (ESFAS) Instrumentation."

RTS Instrumentation3.3.1ACTIONS (continued)CONDITION REQUIRED ACTION COMPLETION TIMEE. One channel inoperable. ----------- NOTE------For functions 6, 7, and 8.b, theinoperable channel and/or oneadditional channel may besurveillance tested with onechannel in bypass and onechann...

Summary & evaluation rept of RL Cloud & Assoc rept, "Diablo Canyon Unit 1 IDVP - Small Bore Piping Rept."

. . . . . . .. . .. . . ~ . . . - . ~ . - - . ~ - . _ - .,..y. .-.,i' 4:A',.-.;.-;,. t..*.) .ew.a,., s. .. . ;'' SUMMARY AND EVALUATION REPORT,'..tIr .I<..; - Report Title:Independent Design Verification Program:.Small Bore Piping Report.!,Report No. ITR '30, Revision 0,,f's.|...

Diablo Canyon Units 1 and 2, Letter Submitting Heat Transfer Analysis Summaries.

REGULATORYDISTRIBUTION FQRCREC: STOLZ J FNRCI) RMATION DI'RIBUTIGN SYSINCOMING MATERIAL,ORG: CRANE P APACIFIC GAS 8. ELEC(RIDS )50-> /8«3DGCDATE: 02«f 10/ 78DATE RCVD: 02f21/78DGCTYPE: LETTER NOTARIZED: NOSUBJECT:HEAT TRANSFER ANALYSIS SUMMARIES FOR THE SUBJECT FACILITIES CFC....

03/03/1975 Notice of Meeting with Pacific Gas and Electric Company to Discuss Diablo Canyon Seismic Issues.

FEB.271S75Docket Nos. 50-275ani 50-323Olan D. Parr, Chief, Light Water Reactors Pmject Branch 1-3, RLFORBKXRGNG 11EETING tGTH PACIFIC GAS AND ZLECI3IC CGWANY-DIABID CANYONNUCLEAR POt'KR SVZION, UNITS 1 AND 2Date and TimeiLocation:Pur~se:Participants:Monday, Mme 3, 1975Room P-4...

Press Release-IV-03-042: NRC to Hold Public Meeting to Discuss Results of Special Inspection at Diablo Canyon.

NRC NEWS U. S. NUCLEAR REGULATORY COMMISSION Office of Public Affairs Region IV 611 Ryan Plaza Drive - Suite 400 Arlington, TX 76011-4005No. IV-03-042 October 23, 2003Contac...

Pacific Gas and Electric Company Supplements a Response to Requests for Additional Information Related to the Diablo Canyon Nuclear Power Plant, Units 1 and 2 License Renewal Application.

Pacific Gas and Electric Company® March 14, 2011 PG&E Letter DCL-11-022 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 Pres...

Diablo Canyon, ISFSI, License Amendment Request 11-001 Revision to Technical Specifications 1.1, 2.0, 3.1.1, 3.1.2, 4.1.2, and 5.1.3; Addition of Technical Specifications 2.3 & 3.1.4; and Request for an Exemption from Requirements of 10 CFR 72.236(f).

Pacific Gas andElectric Company® James R. Becker Diablo Canyon Power PlantSite Vice President Mail Code 104/5/601P. O Box 56Avila Beach, CA 93424805.545.3462January 31, 2011 Internal: 691.3462Fax: 805.545.6445PG&E Letter DIL-1 1-00110 CFR 72.56 and 72.7ATTN: Document Control D...

Forwards reply re Fry Canyon Sites,for docket 4001117.

,.. .;Maureen Moria//M[From:TWD2.TWP8(P Gf, ARD1.ARP1(RJE) McN-gjpf f fTo:<.Date: 9/9/9612:43pm4 g[g,_ My/NSubject: Fry Canyon Sites -Reply'I found a reference to COG Minerals Corporation, site: " mining claims in San Juan County, UT and several countiesin CO," Job 1700, Box 8...

07-24-19 Acknowledgment Letter to Congressman Carbajal - Diabo Canyon Decommioning.

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 July 24, 2019 The Honorable Salud Carbajal United States House of Representatives Washington, DC 20515 Dear Congressman Carbajal: This is to acknowledge receipt of your letter dated July 1...

Diablo Canyon- Unit 1 & 2, Furnishing Miscellaneous Items In NRC Review Of Applicant's APPL For An Operating LIC For Subject Facility, Consisting Of Info Re-Safety Related Cable, Splice, Connector And Terminal Block.

REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)DISTRIBUTION FOR INCOMlNG MATERIAL-27 l 3REC: STOLZ J FNRCORG: CRANE P APACIFIC GAS 8( ELECDOCDATE: 05/02/78DATE RCVD: 05/08/78DOCTYPE: LETTER NOTARIZED: NO COPIES RECEIVEDSUBJECT: LTR 1 ENCL 1FURNISHING MISCELLANEOUS ITEI"IS IN...