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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 & 2 - Revision 25 to Updated Final Safety Analysis Report, Chapter 2, Drawing 469001-1, Rev. 3

1 +20 MLLW E -20 -40 -60 .... +20 D M...LW -20 -40~ B 1147000 POI.II A • , ..... ( ..... 7•7•l PRIJ-Dl•ro- 1oaG,10Ci.&A-IKTP,.-·0UT , ... -,. 2 3 SEA SIDE -Oamaged Profile New pumped concrete embedment of Trlbars at toe of slope. ---------SECTION C-C Fil ,- 508 Cu Ft Tribors f...

Diablo Canyon Power Plant, Units 1 & 2 - Revision 25 to Updated Final Safety Analysis Report, Chapter 3, Drawing 102016, Rev. 77, Sheet 9A.

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2015/02/26 Diablo Canyon LR - FW: NRC Submittal, DCL-15-027, Update to LRA Amendment 49 and LRA Appendix E Part 1 of 8

1DiabloCanyonNPEm ResourceFrom: Keegan, ElaineSent: Thursday, February 26, 2015 12:30 PMTo: Wentzel, MichaelSubject: FW: NRC Submittal, DCL-15-027, Update to LRA Amendment 49 and LRA Appendix E Part 1 of 8Attachments: DCL-15-027 Part 1.pdffyi From: Hartwig, Adriana [mailto:A...

2015/02/26 Diablo Canyon LR - FW: NRC Submittal, DCL-15-027, Update to LRA Amendment 49 and LRA Appendix E Part 4 of 8

1DiabloCanyonNPEm ResourceFrom: Keegan, ElaineSent: Thursday, February 26, 2015 12:30 PMTo: Wentzel, MichaelSubject: FW: NRC Submittal, DCL-15-027, Update to LRA Amendment 49 and LRA Appendix E Part 4 of 8Attachments: DCL-15-027 Part 4.pdffyi From: Hartwig, Adriana [mailto:A...

Forwards "Progress Rept 9 of Seismic Svc-Related Contracts Prior to June 1978,Diablo Canyon Nuclear Power Plant," for work period from 820227-0315.Addl verification recommended.

REGULATOR%2NFORHAT ION DISTRIBUTION1"EM(R IDS)IACCE'SSION NBR:8204010472 DOC.DATE:, 82/03/15 NOTARI'ZED:,NO DOCKET ¹FACIL'50-275 Diablo Canyon Nuclear Power Planti Uni;t li Pacific Ga 0500027550"323 Diablo Canyon Nuclear Power Planti Unit 2E Pacific Ga 05000323AUTH'AMEAUTHOR A...

Diablo Canyon, Reply Letter dated April 24, 1973 Requesting Advance Notice of Plans to Submit Applications for Construction Permits and Operating Licenses.

A EC DI~x"v IO'J FOB PART 0 DOCA'ETD 'RIAL<~MPOBAHY r OR~i CO'lTBOL hO:3665'X. EBON:...Pac<.fic Gas8'cElectric CompanySan Francisco, Calif. 94106onnerQ75-10-73DAu QF DOC: DATE REC'D LVB Gi."~i>R C 0 I D C MTMay 4, 197350-~75/3~xMr. John F. O'earyDirector of LicensingU. S. Atom...

Diablo Canyon, Units 1 and 2 - License Amendment Request 01-02 Regarding Credit for Soluble Boron in the Spent Fuel Pool Criticality Analysis.

EUPacific Gas and Electric Company David H. Oatley Diablo Canyon Power Plant Vice President P0. Box 56 September 13, 2001 Diablo Canyon Operations Avila Beach, CA 93424 805.545.4350 PG&E Letter DCL-01 -096 Fax: 805.545.4234 U.S. Nuclear Regulatory Commission Attn: Document Con...

Diablo Canyon Power Plant, Unit Nos. 1 and 2 - Letter - Withdrawal of an Amendment Request to Adopt TSTF-505, Revision 1, "Provide Risk-Informed Extended Completion Times -RITSTF Initiative 4b (CAC Nos. MF3240 and MF3241; EPID L-2013-LLA-0001).

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 March 29, 2018 Mr. James M. Welsch Vice President, Nuclear Generation 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...

Diablo Canyon Unit 1 Response to NRC Request for Additional Information Regarding License Amendment Request (LAR) 99-03, Unit 1 Reactor Core Thermal Power Uprate

Pacific Gas and Electric Company David H. Oatley Diablo Canyon Power Plant Vice President-Diablo Canyon P0. Box 56 Operations and Plant Manager Avila Beach, CA 93424 805 545.6000 September 29, 2000 PG&E Letter DCL-00-126 U.S. Nuclear Regulatory Commission ATTN: Document Contro...

Diablo Canyon Unit 1 Response to NRC Request for Additional Information Regarding License Amendment Request (LAR) 99-03, Unit 1 Reactor Core Thermal Power Uprate

WIPacific Gas and Electric Company David H. Oatley Diablo Canyon Power Plant Vice President-Diablo Canyon PO Box 56 Operations and Plant Manager Avila Beach, CA 93424 805.545,6000 July 7, 2000 PG&E Letter DCL-00-098 U.S. Nuclear Regulatory Commission ATTN: Document Control Des...

Grand Canyon Trust v Babbitt

,. .UNITED STATES NUCLEAR REGULATORY COMMISSION 4 ' ,WASHINGTON, D.C. 20555-0001 June 8, 2000 OFFICE OF THE GENERAL COUNSEL The Honorable Joe Barton, Chairman Subcommittee on Energy and Power Committee on Commerce United States House of Representatives Washington, D.C. 20515 R...

Diablo Canyon Plant, Units 1 & 2, License Amendment 58 & 57, Revising One Inoperable Snubber of a Given Type, from 12 Months Plus or Minus 25 Percent to 15 Months Plus or Minus 25 Percent for Unit 1, Cycle 4.

- January 8, 1991Docket Nos. 50-275 and 50-323 Mr. J. D. Shiffer Senior Vice President Nuclear Power Generation Pacific Gas and Electric Company 77 Beale Street, Room 1451 San Francisco, California 94106 Dear Mr. Shiffer:DISTRIBUTION Docket File NRC & LPDRs HRood BBoger MVirgi...

Response to Telephone Conference Call Held on November 10, 2010, Between the U.S. Nuclear Regulatory Commission and Pacific Gas and Electric Company Concerning to Requests for Additional Information Related to the Diablo Canyon, Units 1 & 2.

Pacific Gas and Electric Company® December 13, 2010 PG&E Letter DCL-1 0-160 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20852 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, Unit 1 - Result of Steam Generator Inspections for Plant Twelfth Refueling Outage.

Pacific Gas andElectric Company'Donna Jacobs Diablo Canyon Power PlantM rh1 20 5Vice President P. . Box 56March 10, 2005 Nuclear Services Avila Beach, CA 93424805. 545.4600PG&E Letter DCL-05-017 Fax: 805.545.4234U.S. Nuclear Regulatory CommissionATTN: Document Control DeskWash...

Letters from Citizens Opposing Issuance of License to Pacific Gas and Electric Company Diablo Canyon Nuclear Power Plant.

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Diablo Canyon, Amendment Nos 152 & 152 Re: Alternate Repair Criteria for Axial Primary Water Stress Corrosion Cracking At Dented Inspections In Steam Generators Tubing

May 1, 2002Mr. Gregory M. Rueger Senior Vice President, Generation and Chief Nuclear OfficerPacific Gas and Electric CompanyDiablo Canyon Nuclear Power PlantP. O. Box 3Avila Beach, CA 93424SUBJECT: DIABLO CANYON NUCLEAR POWER PLANT, UNIT NOS. 1 AND 2 - ISSUANCEOF AMENDMENT...

Forwards proprietary WCAP-12064, "Diablo Canyon 1 & 2 Evaluation for Tube Vibration Induced Fatigue." All five tubes requiring corrective action removed from svc during Unit 2 refueling outage.Rept withheld (ref 10CFR2.790).

gCCZ~W7EOD>S~SUZO~DZMO~Sm~xo~svrrzz 0SUBJECT: Forwards proprietary WCAP-12064, "Diablo Canyon 1 & 2Evaluation for Tube Vibration Induced Fatigue."DISTRIBUTION CODE: IE13D COPIES RECEIVED LTR ENCL SIZE:TITLE: Bulletin Response, 88-02Rapidly Propaga ing Fatigue Crac s ~'"sNOTES:...

Comment (24) from Lucy J. Swanson Opposing the Environmental Assessment and Draft Finding of No Significant Impact Related to the Construction and Operation of the Diablo Canyon Independent Spent Fuel Storage Installation.

LocKet No. /2-2,O Page I ot 2NRCREP- Docket No. 72-26 III_From: Jane Swanson -/ L ý--ti 7.;To: /."Date: 07/02/2007 2:42 PM /",2 .F"- -(Subject: Docket No. 72-26 c N)To James R. Hall, NRCREP@nrc.gov:I am writing in regards to Docket No. 72-26 with comments on the NRC Staff s S...

Diablo Canyon, Units 1 and 2 - ASME Section XI Inservice Inspection Program Request for Relief PRS-3.

Pacific Gas and Electric Company® July 28, 2015 PG&E Letter DCL-15-086 Barry S. Allen Vice President, Nuclear Services Diablo Canyon Power Plant Mail Code 104/6 P. 0. Box 56 Avila Beach, CA 93424 805.545.4888 Internal: 691.4888 Fax: 805.545.6445 U.S. Nuclear Regulatory Commiss...

Diablo Canyon, Units 1 & 2, Environmental Assessment & Finding of No Significant Impact, Amendments Would Change TS 3/4.3.4, Turbine Overspeed Protection, to Change Frequency of Main Turbine Valves Stroke Testing From Weekly to Quarterly.

April 22, 1989Docket 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 File NRC & LPDRs PDV P...

"Rept on Discharge Monitoring at Diablo Canyon Power Plant During Month of Jul 1985." W/850820 ltr.

'PAC ITIC GAS AND ELECTRIC COMPANYDIABLO CANYON POWER PLANTPO, Box 56~Avila Beach, California 93424~(805)595-7351R.C. THORNBERRYP~ANT MANAGERAugust 20, 1985Mr. Kenneth R. JonesExecutive OfficerCalifornia Regional Water QualityControl BoardCentral Coast Region1102-'ALaurel Lane...

Diablo Canyon Unit 2 - Inservice Inspection Program Relief Request SWOL-REP-1 U2 for Approval of an Alternative to the ASME Code, Section Xl, for Preemptive Full Structural Weld Overlays.

Attachments 2 through 7 to the Enclosure contain Proprietary Information -Pacific Gas and Withhold Under 10 CFR 2.390Electric Company"Barry S. AllenSite Vice PresidentDiablo Canyon Power PlantMail Code 104/6P. 0. Box 56Avila Beach, CA 93424805.545.4888Internal: 691.4888Fax: 80...

LER 11-005-00, for Diablo Canyon Power Plant, Unit 1 - Emergency Diesel Generator Actuations Upon Loss of 230 kV Startup Due to Electric Maintenance Testing Activities.

Iim'lIPacific Gas andElectric Company® James R. BeckerSite Vice PresidentDiablo Canyon Power PlantMail Code 104/5/601P. 0. Box 56Avila Beach, CA 93424805.545.3462Internal: 691.3462Fax: 805.545.6445 July 22, 2011PG&E Letter DCL-1 1-083U.S. Nuclear Regulatory CommissionATTN: Doc...

Diablo Canyon, Units 1 & 2, Letter dated 8/5/75, advising of the decision to modify the steam generator feedwater distribution rings by installing "J" tubes.

NRC DISTRIBUTION FoRP+50 DOCKET IRATERIAIF II.E NUMBERMR 0 D PARRFROM:PACIFIC GAS 6 ELFC COSAN FRANCISCO,CALO''P A CRANE, JRDATE OF DO ME3- )4-'ESDATE RECEIVEDTTE R'ORIGINALj@COPY0 NOTORIZEDUNCLASSIFIEDPROP INPUT FORM NUMBER OF COPIES RECEIVEDC RIP TI ONLTR RE THEIR 8-5-75 LTR...

Diablo Canyon Nuclear Power Plant, Units 1 and 2, Administrative Change to Facility Operating License in Conjunction with the Commission Order EA-03-086 Regarding Revised Design Basis Threat... (TAC Nos. MC2913 and MC2914).

SAFEGUARDS INFORMATIONOctober 28, 2004Mr. Gregory M. RuegerSenior Vice President Generation and Chief Nuclear OfficerPacific Gas and Electric CompanyDiablo Canyon Nuclear Power Plant, Units 1 and 2P. O. Box 3Avila Beach, CA 93424SUBJECT: DIABLO CANYON NUCLEAR POWER PLANT, UNI...