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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 and 2 - Updated Response to Request for Information Pursuant to 10 CFR 50.54(f) Regarding Recommendation 2.1 Flooding. Part 2 of 2

PG&E Letter DCL-16-016 Enclosure 1 NEI, 2012. Nuclear Energy Institute (NEI), "Submittal of NEI 12-07, Revision 0, Guidelines for Performing Verification Walkdowns of Plant Flood Protection Features," May 2, 2012. NEI, 2013. Nuclear Energy Institute (NEI), "FAQ-031, Hazard Ree...

Diablo Canyon, Units 1 & 2, License Amendments 106 and 105, Revise TSs 3/4.7.2, 3/4.7.7, 3/4.7.8, 3/4.7.11, in Accordance With the NRC Final Policy Statement for Relocation of Current TS.

July 6, 1995Mr. Gregory M. Rueger Nuclear Power Generation, B14A Pacific Gas and Electric Company 77 Beale Street, Room 1451 P.O. Box 770000 San Francisco, California 94106 SUBJECT: ISSUANCE OF AMENDMENTS FOR DIABLO CANYON NUCLEAR POWER PLANT, UNIT NO. I (TAC NO. M88830) AND U...

Diablo Canyon Power Plant, Environmental Assessment & Finding Of No Significant Impact, Revising TS 2.2.1 & Associated Bases to Reduce Steam Generator Water Level Low & Low - Low Setpoints From 15 Percent to 7.2 Percent of Narrow Range .

-March 15, l kADocket 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 JLee...

Request for Additional Information Related to the Review of the Diablo Canyon Nuclear Power Plant, Units 1 and 2, License Renewal Application - Aging Management Review and Time Limited Aging Analysis.

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 July 22, 2010 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 INFO...

Diablo Canyon, Reply to Questions Contained in Letter of February 20, 1967 to Chairman Seaborg.

Dr., Isaac Farfe1228 Barlow LaneIhrxo Bay,California93002'earDr. Farfel:This is in reply to the questions containFebruary 20~ 1967~to Chairman Seaborg.ed in your letter ofIt 1s customary in most nuclear plants or a small quant1ty ofrad1oactive waste gases and liquids at very l...

FOIA/PA-2013-0048 - Specific information on PG&E LESS Testing near Diablo Canyon Nuclear Power Plant and MND information

"4'\( t.t::' I> November 28,2012 From: C.O.A.S.T Alliance (Citizens Opposing Acoustic Seismic Testingrdd' Attention: Nuclear Regulatory Commission ,.... ,'California State Lands Commission ' PG&E It has come to our attention that PG&E has been conducting LESS (low energy seism...

Diablo Canyon, Units 1 & 2, Amendment No 149 & 149, Technical Specifications re: elimination of post accident sampling requirements.

Programs and Manuals 5.55.5 Programs and Manuals (continued) 5.5.2 Primary Coolant Sources Outside Containment This program provides controls to minimize leakage from those portions of systems outside containment that could contain highly radioactive fluids during a serious tr...

Request for Additional Information on Diablo Canyon Final Safety Analysis Report Concerning Boron Precipitation Effects on Long Term Cooling.

Doc]mt Hos.0-d 50-323JUN 1 3 1975DistributionNRC PDR IE (3)Local PDR D isonDocket File ilsonIZR 1-3 Fi1e TRBC'sRCDeYoung INR 1BC'sFSchraeder JPanzarellaAKenneke ACRS (14)RWKlecker LPhi11ipsELD- DM3onaldPacific Chs and EDeetmc CaryanyATXH: 8v. John C. 1hrrisseyVice President 8 ...

Diablo Canyon Units 1 and 2, Response to NRC Request for Additional Information Regarding ASME Section XI Inservice Inspection Program Relief Requests.

'MEF-0Pacific Gas andElectric Company0James R. Becker Diablo Canyon Power PlantVice President R 0. Box 56Diablo Canyon Operations and Avila Beach, CA 93424Station Director805.545.3462Fax: 805.545.4234 July 7, 2005PG&E Letter DCL-05-077U.S. Nuclear Regulatory CommissionATTN: Do...

Ltr M Fris, US Fish and Wildlife Service, NRC Preliminary Determination of No Effects Regarding the Diablo Canyon Independent Spent Fuel Storage Installation Decommissioning Funding Plan (72-26) (L24810)

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 April 25, 2016 Mr. Mike Fris Assistant Regional Director of Ecological Services U.S. Fish and Wildlife Service 2800 Cottage Way, Suite W2606 Sacramento, CA 95825 SUBJECT: U.S. NUCLEAR REGULATORY C...

2015/02/24 NRR E-mail Capture - Diablo Canyon, Unit 1 - RAIs for ASME Section XI ISI Program Request for Alternative RPV-U1- Extension to Allow Use of Alternate Reactor Inspection Interval Requirements (TAC No. MF4678)

1NRR-PMDAPEm ResourceFrom: Lingam, SivaSent: Tuesday, February 24, 2015 4:10 PMTo: mjrm@pge.comCc: Oesterle, Eric; Young, Austin; Sheng, Simon; Soenen, Philippe R (PNS3@pge.com); Schrader, Kenneth (KJSe@pge.com); cjm2@pge.com; adh6@pge.comSubject: Diablo Canyon, Unit 1 - RAIs ...

10/19/17, Notice Of Forthcoming Closed Meeting With Pacific Gas And Electric Company To Discuss Security-Related Information For Diablo Canyon Power Plant, Units 1 and 2 (CAC Nos. MG0255 and MG0256; EPID L-2017-LRM-0019).

MEMORANDUM TO: FROM: SUBJECT: DATE & TIME: LOCATION: PURPOSE: UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 October 10, 2017 Robert J. Pascarelli, Chief Plant Licensing Branch IV Division of Operating Reactor Licensing Office of Nuclear Reactor Regula...

2017/10/10 NRR E-mail Capture - Acceptance Review - Request for Approval of Alternative for Application of Full Structural Weld Overlay, REP-RHR-SWOL, Diablo Canyon Power Plant, Unit 2 (EPID No. L-2017-LLR-0092)

1NRR-PMDAPEm ResourceFrom: Singal, BalwantSent: Tuesday, October 10, 2017 10:44 AMTo: Richardson, MichaelSubject: Acceptance Review - Request for Approval of Alternative for Application of Full Structural Weld Overlay, REP-RHR-SWOL, Diablo Canyon Power Plant, Unit 2 (EPID No. ...

Exceptions to ASLB 820831 initial decision.Certificate of Svc encl.

. ._ _ _ . _ _ _ _ _ _ _ _'Oi? !DOCKETEDUSNRCUNITED STATES OF AMERICANUCLEAR REGULATORY COMMISSION 52 SB 20 60 51iBEFORE THE ATOMIC SAFETY AND LICENSING APPEAL. BOARD,g,,lNC5EIY$5ESEN-|E R AIFCn)In the Matter of))PACIFIC GAS AND ELECTRIC COMPANY ) Docket Nos. 50-275 0.L.) 50-3...

USGS-OFR-95-521, Gravity and Magnetic Investigations of the Ghost Dance and Solitario Canyon Faults, Yucca Mountain, Nevada.

USGS-OFR.95-521USGS-.OFR-95-521U.S. DEPARTMENT OF THE INTERIORU.S. GEOLOGICAL SURVEYGRAVITY AND MAGNETIC INVESTIGATIONS OF THE GHOST DANCE ANDSOLITARIO CANYON FAULTS, YUCCA MOUNTAIN, NEVADAByD.A. Ponce and V.E. Langenhehm1995Open-File Report 91-521Prepared in cowgrtion untk th...

Diablo Canyon, Units 1 & 2, Respond to Request for Certification of San Luis 'Obispo Mothers for Peace, copies have been distributed as per the Certificate of Service.

WILLIAMD. OONOHOEYALE I ~ JONCSLINDAJ,GROWNDONOHCIE 8c JONESATTORNEYS AT LAW100 VAN NESS AVCNUC, IOTA FLOORSAN FRANCISCO, CALIFORNIA94102I41 5I 4 31 53'I 0OF COVNSCIEDWARD J. REIDYOctober 25, 1976ChairmanAtomic Safety 6 Licensing 'Appeal Board PanelU. S. Nuclear Regulatory Com...

Diablo Canyon - Inservice Inspection Program Plan, Third 10-Year Inspection Interval, Revision 1, Cover Page through Page 100.

EnclosurePG&E Letter DCL-12-006Diablo Canyon Power PlantInservice Inspection Program PlanThird 10-Year Inspection IntervalRevision Ih,,jDIABLOCANYONPOWERPLANTUNIT 1 & 2INSERVICEINSPECTIONPROGRAMPLANTHIRDINSPECTIONINTERVALREVISION 1IDiablo Canyon Power PlantInservice Inspection...

Diablo Canyon Unit 1 and 2, License Amendment 28 and 27, Allowing Minimum Residual Heat Removal System Flow Rate to be Reduced while Plant is in Mode 6, Provided the Reactor has been Subcritical for more than 57 hours.

April 21, 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 94106DISTRIBUTION Docket File NRC & LPDRs HRood...

LER 07-001-00 for Diablo Canyon Unit 1 re Emergency Diesel Generator Auto-Start on Loss of Offsite 230kV Startup Power.

''pPacific Gas andElectric Company'July 11,2007James R. Becker Diablo Canyon Power PlantVice President P. 0. Box 56Diablo Canyon Operations and Avila Beach, CA 93424Station Director805.545.3462Fax: 805.545.4234PG&E Letter DCL-07-067U.S. Nuclear Regulatory CommissionATTN: Docum...

Diablo Canyon Power Plant, Units 1 and 2 - Audit of Licensee's Management of Regulatory Commitments, Audit Performed April 22-May 13, 2015 (TAC Nos. MF5208 and MF5209).

Mr. Edward D. Halpin UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 May 26, 2015 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 DIABL...

Update to the Diablo Canyon Power Plant License Renewal Application(LRA), Amendment 49 and LRA Appendix E, "Applicant's Environmental Report-Operating License Renewal Stage," Amendment 2.

Pacific Gas and Electric Company® February 25, 2015 PG&E Letter DCL -15-027 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 B arry S. Allen Vice Presi...

05/05/05 Enclosure 1, ICM Order, Diablo Canyon ISFSI.

SAFEGUARDS INFORMATION SAFEGUARDS INFORMATION Enclosure 1Warning: Violation of Section 147 of the AtomicEnergy Act, “Safeguards Information” is subject toCivil and Criminal Penalties.Document transmitted herewith...

"Diablo Canyon Power Plant Unit 2 Cycle 5 Startup Rept."

PG&E Letter No. DCL-92-017ENCLOSURESUMMARYDIABLO CANYON POWER PLANTUnit 2 Cycle 5 Startup ReportFollowing the DCPP Unit 2 fourth refueling outage (2R4), the DCPP Unit 2Cycle 5 star'tupprogram extended from pre-critical testing through thecompletion of, power ascension testing ...

Request for Additional information Related to the Environmental Review of the Diablo Canyon Nuclear Power Plant, Units 1 and 2, License Renewal Application (TAC Nos. ME2825 and ME2826).

July 6, 2010 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 INFORMATION RELATED TO THE ENVIRONMENTAL REVIEW OF THE DIABLO CANYON NUCL...

Diablo Canyon, Units 1 and 2 - 90-Day Response to NRC Generic Letter 2004-02, "Potential Impact of Debris Blockage on Emergency Recirculation During Design Basis Accidents at Pressurized-Water Reactors" (Correction).

Pacific Gas andElectric CompanyDonna Jacobs Diablo Canyon Power PlantVice President P. 0. Box 56Nuclear Services Avila Beach, CA 93424April 1, 2005 Fax: 805.545.4234PG&E Letter DCL-05-032U.S. Nuclear Regulatory CommissionATTN: Document Control DeskWashington, D.C. 20555-0001Do...