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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 & 2 - Three Signed and Sixty-Seven Conformed Copies of Amendment No. 6.a Are Enclosed And Copy of the Amendment Was Served To Mr. Lyle F. Carpenter.

PA.CIPIC GA S A.ND ELECTRIC COMMENTIP(G7MIE~245 MARKET STREET~SAN FRANCISCO, CALIFORNIA 94106~TELEPHONE 781-4211RICHARD H. PETERSONSENIOR VICE PREEIOENTAND CtNERAL COUNSELFREDERICK T. SSARLSCENtRAL AYIORNEYAIR MAILNovember 6, 1967WILHANO. KuolaWILLIANK JOHNSHALsoLN H PNSSNSNJS...

Diablo Canyon, Units 1 and 2, Issuance of Amendment Nos. 201 and 202, Adoption of Changes to Standard Technical Specifications Under Technical Specifications Task Force (TSTF)-448.

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 December 23, 2008 Mr. John T. Conway Site Vice President and Chief Nuclear Officer Pacific Gas and Electric Company Diablo Canyon Power Plant P.O. Box 3 Mail Code 104/6/601 Avila Beach, California 93424 ...

Diablo Canyon, Unit 2 - Response to NRC Request for Additional Information Regarding License Amendment Request 03-10, "Revised Steam Generator Voltage-Based Repair Criteria Probability of Detection Methods for Cycle 12."

El Pacific Gas and9 Electbc CompanyDavid H. Oatley Diablo Canyon Power PlantVice President and PO. Box 56General Manager Avila Beach, CA 93424September 30, 2003 Fax 805.545.4234PG&E Letter DCL-03-123U.S. Nuclear Regulatory CommissionATTN: Document Control DeskWashington, D.C. ...

Provides annual rept of changes in W ECCS evaluation models that affect peak cladding temp calculations for Diablo Canyon Power Plant,Units 1 & 2.No changes or errors identified since las annual rept.

- REGULA'l&fY INFORMATION DISTRIBUTIO YSTEM (RIDS)'CCESSION NBR:9907300117 DOC.DATE: 99/07/26 NOTARIZED: NOFACIL:50-275 Diablo Canyon'uclear Power Plant, Unit 1, Pacific Ga~.50-323 Diablo Canyon Nuclear Power Plant, Unit 2, Pacific GaAUTH.NAME AUTHOR AFFILIATIONWOMACK,L.F. Pac...

Diablo Canyon, Units 1 & 2, License Amendments 49 & 48, Amendments Revise TS to Allow Operation With One of Three Pressurizer Safety Valves Inoperable & Disabled Such That it Cannot Open.

110 UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D. C. 20555 February 21, 1990 Docket 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 145...

Revised monthly operating rept for Jan 1997 for Diablo Canyon Power Plant Unit 1.

OPERATING DATAREPORTOPERATING STATUSDOCKET NO.: 50-275UNIT: 1DATE: 05/15/97COMPLETED BY: T. Eubank/W. E. ColeyTELEPHONE: (805)545-4867/4997,1.2.3.45.6.7.8.Unit Name:Reporting Period:Licensed Thermal Power (MWt):Nameplate Rating (Gross MWe):Design Electrical Rating (Net MWe):Ma...

Diablo Canyon Power Plant, Units 1 and 2, and San Onofre Nuclear Generating Station, Units 2 and 3 - Biological Opinion and Incidental Take Statement for the Continued Operation of the (TAC Nos. MC7558, MC7559, MC7556, and MC7557) - Letter to Licensees.

December 20, 2006Mr. John S. KeenanSenior Vice President and Chief Nuclear OfficerPacific Gas and Electric CompanyDiablo Canyon Power PlantP.O. Box 770000San Francisco, CA 94177-0001Mr. Richard M. RosenblumSenior Vice President and Chief Nuclear Officer Southern California Ed...

Requests info re corrective actions taken concerning 851226 temporary power failure at Rancho Seco.A Nassar ltr showing concern over Rancho Seco & Diablo Canyon safety records forwarded.W/o encl.

~I)~i~~~IED ZSCHAU12TH Ol/TRICT. CALIFORNIAMEMBER:COMMITTEE ONFOREIGN AFFAIRSCongress or the'Bnite(tStates8nuse nf Keytesentatiues%9ashittgatt, BK>ASFebruary 27, 1986429 CANNON BUILOINGWASHINGTON, OC 2N15(202) 2254)4(1DISTRICT OFFICE:505 WEST OLIVEAVENUESUITE 125SUNNYVALE.CA (...

OEDO-16-00436: Initial Contact with D. Lochbaum on 2.206 Petition Re: Apparent 50.9 Violation at Diablo Canyon Nuclear Power Plant.

1Burkhardt, JanetFrom: Watford, MargaretSent: Tuesday, July 19, 2016 4:41 PMTo: dlochbaum@ucsusa.orgCc: Singal, BalwantSubject: Initial Information on 2.206 Petition ProcessGood afternoon Mr. Lochbaum, As we discussed on the phone on July 19, 2016, I have been assigned as the ...

Diablo Canyon Unit I Docket No.50-275, OL-DPR-80 Response to NRC Request for Additional Information Regarding License Amendment Request LAR 99-03 Unit I Reactor Core Thermal Power Uprate.

Pacific Gas andElectric CompanyDavid H. Oatley Diablo Canyon Power PlantVice President-Diablo Canyon PO. Box 56Operations and Plant Manager Avila Beach, CA 93424805.545.6000September 22, 2000PG&E Letter DCL-00-1 23U.S. Nuclear Regulatory CommissionATTN: Document Control DeskWa...

Diablo Canyon Power Plant, Unit Nos. 1 and 2 - Re: Response to Generic Letter 2006-02 "Grid Reliability and the Impact on Plant Risk and the Operability of Offsite Power" (TAC Nos. MD0974 and MD0975).

April 24, 2007Mr. John S. KeenanSenior Vice President and Chief Nuclear OfficerPacific Gas and Electric CompanyDiablo Canyon Power PlantP.O. Box 770000San Francisco, CA 94177-0001SUBJECT: DIABLO CANYON POWER PLANT, UNIT NOS. 1 AND 2 - RESPONSE TOGENERIC LETTER 2006-02, “GRID ...

Response to Commission 840403 order re complicating effects of major earthquake on response to radiological emergency. Certificate of Svc encl.

r---04T..'DOCKETEDUSNPCUNITED STATES OF AMERICANUCLEAR REGULATORY COMMISSIOg4 tgy -8 A10:30BEFORE THE COMMISSION_ .. g 3,'f ,,-:;~[,re_t'e-)In the Matter of))PACIFIC GAS AND ELECTRIC COMPANY) Docket Nos. 50-275 0.L.) 50-323 0.L.(Diablo Canyon Nuclear Power)Plant, Units 1 and 2...

Diablo Canyon Units 1 and 2, Proposed Implementation Schedule for License Amendment Request 04-07 Revision to Technical Specifications 3.7.17 and 4.3 for Cycles 14-16 for a Cask Pit Spent Fuel Storage Rack.

Pacific Gas andElectric CompanyDavid H. Datley Diablo Canyon Power PlantVice President and General Manager P. 0. Box 56Avila Beach, CA 93424September 30, 2005 805.545.4350Fax: 805.545.4884PG&E Letter DCL-05-115U.S. Nuclear Regulatory CommissionATTN: Document Control DeskWashin...

"Diablo Canyon Power Plant Simulator Certification Four Yr Rept,1997," Vol 1 of 1.

DiabloCanyonPower Plantc ll.),CI(( Volume'Iof. I9712i2010i 97i208PDR ADQCK 05000275P PDR5(I."iP5BYNBEHjVQELYME~-gsPii5 KQIQ %1lR Lg1'f A..PPFggll5 54 ll'ELB 5 5 wB'P9 ~™.El P KCIQ8PW I8 5 F=elA 4 d".iF=. 8 QRI& 6 Pc%IRi P KF IfR A P.ilR P..Ejp0Cs-kiF!t:.DIABLO CANYON SIMULATOR...

"Evaluation Findings,Diablo Canyon Nuclear Power Plant Offsite Emergency Response Plans Exercise."

EVALUATION FINDINGSDIABLO CANYON NUCLEAR POWER PLANTOFFSITE ENERGENCY RESPONSE PLANS EXERCISEAUGUST 19, 1981EXECUTI V E SUMMARY~.Pursuant to tasking identified in FEMA directives and relatedletters, FENA Region IX and the Regional Assistance Committee(RAC) began preparation in...

"Conformance to Generic Ltr 83-28 Item 2.2.1-Equipment Classification for All Other Safety-Related Components: Diablo Canyon 1 & 2," informal technical evaluation rept.

EGG-NTA"7800September 1987eM'pillINFORMALREPORT!dahoNationalEngineeringLaboratoryManagedbythe U.S.DepartmentofEnergy'ECHNICALEVALUATION REPORTCONFORMANCE TO GENERIC LETTER 83-28ITEM 2.2.1--E(UIPMENT CLASSIFICATION~FOR ALL OTHER SAFETY-RELATED COMPONENTS:DIABLO CANYON"1 AND-2A....

Diablo Canyon Units 1 and 2, License Amendment 46 and 45, Revising TS to Allow Use of Temporary Source Range Detector During Refueling if One of the Permanently Installed Excore Source Range Fails.

October 30, 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 94106 Dear Mr. Shiffer:DISTRIBUTION: RegionV (...

(Tribal Scoping) Notice of Intent to Reinitiate the Environmental Scoping Process for the Review of the Diablo Canyon, Units 1 and 2, License Renewal Application.

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 Mr. Vincent Armenta, Tribal Chairman Santa Ynez Band of Mission Indians P.O. Box 517 Santa Ynez, CA 93460 SUBJECT: NOTICE OF INTENT TO REINITIATE THE ENVIRONMENTAL SCOPING PROCESS FOR THE REVIEW OF...

Ltr State Liaison Officer, R Weisenmiller, Review of the Draft Environmental Assessment and Finding of No Significant Impact for the Diablo Canyon Independent Spent Fuel Storage Installation Decommissioning Funding Plan (72-26)(L24810)[ML16120A563-RLSO].

PRE-DECISIONAL INFORMATION. THIS INFORMATION IS LIMITED TO USE BY THE CALIFORNIA ENERGY COMMISSION. THIS INFORMATION SHALL NOT BE DISCLOSED WITHOUT PRIOR NRC PERMISSION. PRE-DECISIONAL INFORMATION. THIS INFORMATION IS LIMITED TO USE BY THE CALIFORNIA ENERGY COMMISSION THIS...

Diablo Canyon Units 1 and 2 - Certificate of Conformance with Water Quality Standards to Accompany Request for a Construction Permit from US Atomic Energy Commission.

FROMState Mater Resources, Control Sggk..-Sacramento„Cai,if.'95814gp~Eo CilhartTOPacific Gas tK Electric CompanyLTR. MEMOIOTHER'S,~4,(xecdDATE'OF OOCUMENT:—OATS RECEIVED— —NO'I-.Oyt,1'9~,1971 Oct.7,4971 I/4 77ACTION NECESSARY i 'ONCURRENCENO ACTION NECESSARYQQ'OMMENT0DATE ANSW...

Summary of 670516 meeting w/util,ACRS & AEC consultants re discussions of seismic design of Diablo Canyon reactor. Meeting attended by listed persons.

.'' ' ~ * 'f.'E36",," ST.'LEMENTAl. iUNITED STATES GOVERNMENTFILE COPY;'MemorandumRoger S. Boyd, Assistant DirectorDATE: May 25, 1967lTo :for Reactor Projects, DRLTHRU:Robert L. Tedesco, CniefReactor Pranch 2, DRL;FROM.*K. WoodardReactor Pr ject Branch 2, DRLSUBJEcr: MINUTES O...

Pacific Gas and Electric Company's Monthly Status Report: In the Matter of Diablo Canyon, Units 1 and 2 Updated Best Estimate Schedule for Seismic Studies.

July 9, 2013 by Electronic Information Exchange Administrative Judge Alex S. Karlin Administrative Judge Nicholas G. Trikouros Administrative Judge Paul B. Abramson Atomic Safety and Licensing Board Panel U.S. Nuclear Regulatory Commission Two White Flint North 11545 Rockvil...

Notice of Appearance of Richard S. Harper on Behalf of the U.S. Nuclear Regulatory Commission in the Matter of Diablo Canyon, Units 1 and 2.

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/ 50-323-LR ) (Diablo Canyon Nuclear Power Plant, ) ASLBP No....

Diablo Canyon Power Plant, Unit Nos. 1 & 2 - Re: Generic Letter 2008-01, "Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems," Proposed Alternative Course of Action (Tac Nos. MD7820 and MD7821).

August 28,2008 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 - RE: GEN...

Diablo Canyon, Units 1 and 2 - Independent Spent Fuel Storage Installation (ISFSI) Final Environmental Impact Report.

NOI-05mllrsDiablo CanyonIndependent Spent FuelStorage Installation (ISFSI)Final Environmental Impact ReportIPrepared for:County of San Luis ObispoDepartment of Planning and BuildingCounty Government CenterSan Luis Obispo, CA93408Prepared by:Marine Research Specialists (MRS)314...