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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

Evaluation of Rev 0 to Interim Technical Rept 6, "Interim Technical Rept on Diablo Canyon Unit 1 Independent Verification Program Auxiliary Bldg." NRC agrees that further expansion of rept re seismic model unnecessary.

,, .= .(STAFF REPORT EVALUATIONREPCRT TITLE: INTERIM TECHNICAL REPORT ON DIABLO CANYON UNIT 1iINDEPENDENT VERIFICATION PROGRAM AUXILIARY BUILDINGREVISION 0IDVP DESIGilATION: P105-4-839-006ORIGIllATOR:Robert L. Cloud Associates, Inc.SUBilITTED BY:Teledyne Engineering Services /...

Responds to 811211 ltr & G Mader 811028 ltr,expressing concern of Seismic Safety Commission re seismic analysis discrepancies at facility.Extensive independent reviews of plant being made.Related correspondence.

.xs . ..p~r.MIFAC0*SS """, , ,cocnT Mmm.gPaco.nuTuacco nL D },--e_.PACIFIC GAS AND E LE C T RICCdgi=ANYb?[77 BEALE STREET . SAN FRANCISCO. CALIFORNIA 94106 * (415) 781 4211 . TWX 910 372-6587'82 Jid -4 PS :06h,GFilCE CF SEC'CT|:00ChEI!:lG & SEHVKDecember 28, 1981 BRANCH/w,e-o>...

Citizens ltrs opposing facility licensing.

REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)ACCESSION NBR;8105150273 DOC ~ DATE: 81/03/31 NOTARIZED: NO DOFACIL':50 275 Diablo Canyon Nuclear Power Pl antg Uni t'1i. Pacific Ga 000?'50 323 Diablo Canyon Nuclear Power Plantr Unit2'tPacific Ga 0500AUTH',NAME AUTHOR AFFILIAT...

Expreses concern re Bechtel activities w/o complete QA program development & approval & util deficiencies after 1978,discussed at NRC 820430 meeting w/util.

erACCFAIE'8:SION NORC IL.:50-2.7550 323AUTH.NAMEBROhN~H AH,BRO'kNpH~ HER EiCI P ~ NAMEDENTONgH ~ REREGULAT INFORMAT'ION DISTRIBUTIO YSTEM (RIDS): 8205040348. DUC ~ CATE: 82/Ott/30 'ECTAR I'ZED: NO 'OCKET.'¹Diablo Canyon Nuclear Power Pl antiUnit'r Pacific Ga 05000275Diab.lo Ca...

Forwards schedule for conducting operator licensing exams through FY92,per Generic Ltr 88-13.

g~oz@gggp'gg(Ri@SI'EMtAUTH. NAME AUTHOR AFFILIATIONSHIFFER,J.D. Pacific Gas & Electric Co.RECIP.NAME RECIPIENT AFFILIATIONHANNON,J. Operator Licensing Branchpc.-SUBJECT: Forwards schedule for conducting operator licensing examsthrough FY92,per Generic Ltr 88-13.DISTRIBUTION CO...

Diablo Canyon 1 4Q/2013 Performance Indicators The solid trend line represents the current reporting period. Licensee's General Comments: none Licensee Comments: 1Q/13: Unit 1 operated at approximately 100 percent power for the first quarter of 2013...

Comment (10) of Paul Frey on Draft Guidance Documents for Subsequent License Renewal.

Page 1 of 1IPUBLIC SUBMISSIONDocket: NRC-201 5-0251Draft Guidance Documents for Subsequent License RenewalComment On: NRC-20 15-0251-0004Guidance: Subsequent License RenewalDocument: NRC-20 15-0251 -DRAFT-00 12Comment on FR Doc # 20 15-32368As of: 3/3/16 4:29 PMReceived: Febru...

Forwards suppl to 840516 description of proposed program to reduce snubbers at facility.Approval of limited use of damping criteria from ASME Code Case N-411 for snubber reduction program requested.

REGULATOR NFORYiATION DISTR IBUTION TEN (R IDS )ACCESSION NBR: 8601240325 DOC. DATE: 86/01/21 NOTARIZED: NO DOCKET 0FACIL'"50-275 Diablo Canyon Nuclear Power P lant'nit ii Pacific Ga 0500027550-323 Diablo Canyon Nuclear Power Planti Unit 2. Pacific Ga 05000323AUTH. NANE AUTHOR...

FOIA request for transcripts of closed Commission meetings re suspension of fuel loading & low power testing license.

(DVOl(p*" dDh UNIT ED STATES o8%)E '^n NUCLEAR REGULATORY COMMISSION,1 gydg} - gW ASWNGTON, D.C. 20555|50475/:52.3%******April 21, 1982OFFICE OF THESECRETARYMr. David E. HoffmanCorrespondente- imKnight-Ridder Newspapers\C3Washington Bureauf g'1195 National Press Building4[f)yg...

Responds to NRC 830526 ltr re violations noted in IE Insp Rept 50-275/83-17.Corrective actions:training for key general const & nuclear plant operations personnel on nonconformance & NRC reporting requirements held on 830607.

-. . ,.'RECE!\rgo.?!RcE LE C T RIGyg M PANYPACIFIC GAS ANDII!: gebbEM|77 BEALE STREET . SAN FRANCISCO, CALIFORNIA 94106 * (415) 781 4211 * TWX 910-372 6587AEG|CN yp ._.J.O.SCHUYLER'*vics rats:etutmuCLEAR PO*LR G[NERAf404June 27, 1983Mr. John B. Martin, Regional MministratorU. ...

Transmits WCAPs supporting NRCs review of license amend request 96-10,rev of TSs to support extended fuel cycles to 24 months.WCAP-11082,rev 5,WCAP-11594,rev 2 & WCAP-14646,rev 1 withheld.

CATEGORY j.REGULAIOY INFORMATION-DISTRIBUTZ01OYSTEM (RIDE)ACCESSION'NBR:9702120169 DOC.DATE: 97/01/31 NOTARIZED: YES DOCKETFACIL:50-275 Diablo Canyon Nuclear Power Plant, Unit 1, Pacific Ga 0500027550-323 Diablo Canyon Nuclear Power Plant, Unit 2, Pacific Ga 05000323AUTH.NAME ...

NRC INSPECTION REPORT NO. 50-275/99-18; 50-323/99-18

S R, -'UNITED STATES 4 ' NUCLEAR REGULATORY COMMISSION " . REGION IV 611 RYAN PLAZA DRIVE, SUITE 400 ARLINGTON, TEXAS 76011-8064 JAN I9 Gregory M. Rueger, Senior Vice President and General Manager Nuclear Power Generation Bus. Unit Pacific Gas and Electric Company Nuclear ...

Home > Nuclear Reactors > Operating Reactors > Reactor Oversight Process > Plant Summaries > Diablo Canyon 1 – Quarterly Performance Summary Diablo Canyon 1 – Quarterly Performance Summary 2Q/2017 Performance Summary NRC: Diablo Canyon 1 – Quarterly Performance Summary P...

Diablo Canyon 2 2Q/2000 Performance Indicators Licensee's General Comments: none Licensee Comments: none Unplanned Scrams per 7000 Critical Hrs 2Q/99 3Q/99 4Q/99 1Q/00 2Q/00 Unplanned scrams 0 0 1.0 0 0 Critical hours 2183.0 2089.6 1516.8 2184.0 ...

Diablo Canyon 2 1Q/2000 Performance Indicators Licensee's General Comments: none Licensee Comments: none Unplanned Scrams per 7000 Critical Hrs 1Q/99 2Q/99 3Q/99 4Q/99 1Q/00 Unplanned scrams 0 0 0 1.0 0 Critical hours 2160.0 2183.0 2089.6 1516.8 ...

Diablo Canyon 2 3Q/2012 Performance Indicators Licensee's General Comments: none Licensee Comments: 1Q/11: On March 26, 2011 at 1449 PDT operators at Diablo Canyon Power Plant Unit 2 manually initiated a reactor trip in response to loss of main feedw...

UNITED STATES NUCLEAR REGULATORY CO M M ISS IO N REGION IV 611 RYAN PLAZA DRIVE, SUITE 400 ARLINGTON, TEXAS 76011-4005 August 30,2005 Gregory M. Rueger, Senior Vice Pacific Gas and Electric Company Diablo Canyon Power Plant P.O. Box 3 Avila Beach, CA 93424 Pr...

Forwards Discharge Monitoring Rept for Units 1 & 2 for fourth quarter of 1993,per Order 90-09.Author certifies that encls were prepared in accordance w/sys designed to ensure quality.

ACCELERATED D TRIBUTION DEMONSTPATION SYSTEMREGULATORY;INFORMATION DISTRIBUTION SYSTEM (RIDS)ACCESSION NBR:9402010287 DOC.DATE: 94701/20 NOTARIZED: NO DOCKETFACIL:50-275 Diablo Canyon Nuclear Power Plant, Unit 1, Pacific Ga 0500027550-323 Diablo Canyon Nuclear Power Plant, Uni...

Discusses concern w/ACRS meetings scheduled for 910807-08 in Bethesda,MD to discuss results of LTSP for plant & requests meeting be postponed & held in San Luis Obispo County,CA at later date so people most affected have chance to attend.

. .c .o . _ 'o 2. o1osioosun a P.rconeAnarrayog..' I e.Congregt at ti)t Enittb htatediLiabington. BC 20515August 2, 1991Mr. Ivan SelinChairmanNuclear Regulatory CommissionWashington, D.C. 20555Dear Kr. ChairmantWe are writing to-let you knov of our serious concerns Vith theAdv...

Forwards results of evaluation of ability of plant to cope w/station blackout,per 10CFR50.63.Battery capacity calculation verified that Class 1E batteries have sufficient capacity to meet station blackout loads for 4 h.

A'CCELEPATED DlSBUTlON DEMONSTR+ON SYSTEMREGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)ACCESSION NBR:8904250326 DOC.DATE: 89/04/17 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 1 3Q/2005 Performance Indicators Licensee's General Comments: none Licensee Comments: none Unplanned Scrams per 7000 Critical Hrs 4Q/03 1Q/04 2Q/04 3Q/04 4Q/04 1Q/05 2Q/05 3Q/05 Unplanned scrams 0 0 0 0 0 0 0 0 Critical hours 2209.0...

Forwards rev 25 to EP G-1, "Emergency Classification & Emergency Plan Activation," & rev 6 to EP RB-10, "Protective Action Recommendations."

1 ye 4REGULATO INFORMATION DISTRIBUTION STEM (RIDS)ACCESSION NBR:9701140208 DOC.DATE: 97/01/06 NOTARIZED: NO DOCKETgFACIL:50-275 Diablo Canyon Nuclear Power Plant, Unit 1, Pacific Ga 0500027550-323 Diablo Canyon Nuclear Power Plant, Unit 2, Pacific Ga 05000323AUTH.NAME AUTHOR ...

Summarizes 841101 telcon w/T Devine re verification of entry of Z Elwar concerns about FLUD computer code calculation for high energy line breaks into NRC allegation tracking sys.

sJ % N %'bk.f M N*(..4,.' "es Es te,''o.-' '/UNITED STATESNUCLEAR REGULATORY COMMI5510N''Ej gREGION V^5-| .t g180 MARIA LANE.5UITE 210WALNUT CREEK,CAttf 0RNIA 94596#4,..V...fNOV 5 1984~MEMORANDlM FOR RECORD: FROM:Lewis W. Shollenberger, Jr., Regional Counsel59.SUBJECT: TELEPHO...

"Personnel Exposure & Monitoring Rept,1984." W/850325 ltr. Related correspondence.

_ _ _ ...whs*LPGandE Lotter No.: DCL-85-123ENCLOSUREPERSONNEL EXPOSURE AND PONITORING REPORTFOR EXPOSURE YEAR 1984(January 1,1984 to December 31, 1984)Licensee:Pacific Gas and Electric CompanyLICENSE: DPR-80 (UNIT 1)77 Beale Street LICENSE:REFERENCE DOCKET 50-323 (UNIT 2)San F...

Generic Fundamentals Examination Results.

January 6, 2006THIS LETTER DISTRIBUTED TO THE FOLLOWING DOCKET NUMBERS: Diablo Canyon Nuclear Power Plant, Units 1 and 2, Docket Nos.: 50-275; 50-323River Bend Station, Docket No.: 50-458Waterford Steam Electric Station, Unit 3, Docket No.: 50-382SUBJECT: GENERIC FUNDAMEN...