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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, Response to NRC Letter Dated July 6, 2010 Request for Additional Information (Set 7) for License Renewal Application.

Pacific Gas andElectric Company® James R. Becker Diablo Canyon Power PlantSite Vice President Mail Code 104/5/601P 0. Box 56Avila Beach, CA 93424805.545.3462July 28, 2010, Internal: 691.3462Fax: 805.545.6445PG&E Letter DCL-10-092U.S. Nuclear Regulatory CommissionATTN: Document...

Comment (16) of Jane Swanson and June Cochran on behalf of Mothers for Peace Opposing PG&E's Application to Renew the License of Diablo Canyon for Another 20 Years.

K--r1 -- rPO Box 3608 p7-) ---San Luis Obispo, CA 93403-3608www.rmothersforpeace.org W- -_Contact persons for questions or feedback on this advisory: -Jane Swanson, (805) 595-2605; ianeslo(ckcbx.netJune Cochran, (805) 773-2847; qradofcal~vyahoo.comWhy oppose PG&E's applicatio...

2020/08/14 NRR E-mail Capture - Diablo Canyon request for additional information: Exigent License Amendment Request for Application to provide a new Technical Specification 3.7.5, "Auxiliary Feedwater System," Condition G (EPID: L-2020-LLA-0176)

From: Lee, Samson Sent: Friday, August 14, 2020 7:07 PM To: Richardson, Michael Subject: Diablo Canyon request for additional information: Exigent License Amendment Request for Application to provide a new Technical Specification 3.7.5, “Auxiliary Feedwater System,” Condition ...

Forwards response to Congressman Markey 831101 ltr re differences between 830719 & 0919 board notifications concerning Diablo Canyon Case Study (Case C).W/o encl.

*.,. . *p* * t as# oUNITED STATESf * .,~ ,jNUCLEAR REGULATORY COMMISSION'*WASHINGTON, D. C. 20555's,.....JFebruary 7,1984MEMORAtlDUM FOR: Darrell Eisenhut. DirectorDivision of Licensing, NRRFROM: James G. Partlow, Acting DirectorDivision of Quality Assurance.Safeguards, and In...

Diablo Canyon Power Plant, Units 1 & 2 - Revision 25 to Updated Final Safety Analysis Report, Chapter 3, Drawing 102018-5, Rev. 83, Sheet 5.

00 0 N I s::r I tO C 0 CJ) (]) 'O + • C 0 o CJlo I 'Q I!) . I 0 00 I s::r - I!) V'l 0 I z NOON o- 00 -OL 11 N (]) 0::: 0 (/) w-::::i f-II V!Z 0 <( C) <( 0::: 0 U E D C B A 50 I SPEC. 8831 .\ SPEC.871 IJ-/ \. INPGIC I Size 51 FW-105-A25-I FW-120-A38-I FW-145-A47-I 53 (2677!6) (...

Diablo Canyon, Unit 1 & 2, Issuance of Amendment Nos. 161 and 162, Respectively, Revising TS Table 3.3.1-1, and Revised Reactor Coolant System Flow Measurement.

August 21, 2003Mr. Gregory 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, UNIT NO. 1 AND UNIT NO. 2 –ISSUANCE OF AMENDMENT – REV...

11/12/15 Summary of Meeting with Pacific Gas and Electric to Discuss Diablo Canyon, Units 1 and 2 Amendment Request to Revise UFSAR for BEACON Power Distribution Monitoring System Methodology and TS 5.6.5 (COLR) PARAGON and NEXUS Methodologies.

LICENSEE: Pacific Gas and Electric Company FACILITY: Diablo Canyon Power Plant, Units 1 and 2 SUBJECT: SUMMARY OF NOVEMBER 12, 2015, PUBLIC TELECONFERENCE WITH PACIFIC GAS AND ELECTRIC COMPANY REGARDING LICENSE AMENDMENT REQUEST FOR DIABLO CANYON POWER PLANT, UNITS 1 AND 2 RE:...

Diablo Canyon, Unit 2 - Correction to Authorization Page of Amendment No. 212 for Facility Operating License No. DPR-82, License Amendment Request to Revise License Condition and Approve Cyber Security Plan (TAC No. ME4291).

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 July 29,2011 Mr. John T. Conway Senior Vice President - Energy Supply and Chief Nuclear Officer Pacific Gas and Electric Company Diablo Canyon Power Plant 77 Beale Street, Mail Code B32 San Francisco, CA 9...

Diablo Canyon, Units 1 and 2, Issuance of License Amendments 182 and 184 Re: Approval of Permanent Use of the W* Alternate Repair Criteria for Steam Generator Tubes.

October 28, 2005Mr. David H. Oatley, Acting Chief Nuclear OfficerPacific Gas and Electric CompanyDiablo Canyon Power PlantP.O. Box 56Avila Beach, CA 93424SUBJECT: DIABLO CANYON POWER PLANT, UNIT NOS. 1 AND 2 - ISSUANCE OFAMENDMENTS RE: APPROVAL OF PERMANENT USE OF THE W*ALTE...

Unopposed Motion for an Extension on Time for all Parties.

't •.• --- -•'""' In the Matter of: UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION ATOMIC SAFETY AND LICENSING BOARD Before Administrative Judges: Thomas S. Moore, Presiding Officer Frederick J. Shon, Special Assistant Docket No. 40-3453-MLA-3 ATLAS CORPORATION (Moab, ...

2015/10/07 NRR E-mail Capture - Diablo Canyon 1 and 2 - Requests for Additional Information for License Amendment Request 15-03 to Adopt the Alternative Source Term per 10 CFR 50.67 (TAC Nos. MF6399 and MF6400)

1NRR-PMDAPEm ResourceFrom: Lingam, SivaSent: Wednesday, October 07, 2015 2:11 PMTo: Soenen, Philippe R (PNS3@pge.com)Cc: Markley, Michael; Zimmerman, Jacob; Som, Swagata; Basturescu, Sergiu; Schrader, Kenneth (KJSe@pge.com); 'mjrm@pge.com'Subject: Diablo Canyon 1 and 2 - Reque...

IR 05000275/2015001 and 05000323/2015001, January 1, 2015 through March 31, 2015, Diablo Canyon, Units 1 and 2, Integrated Inspection.

UNITED STATES NUCLEAR REGULATORY COMMISSION REGION IV 1600 E. LAMAR BLVD. ARLINGTON, TX 76011-4511 May 5, 2015 Mr. Edward D. Halpin Senior Vice President and Chief Nuclear Officer Pacific Gas and Electric Company Diablo Canyon Power Plant P.O. Box 56, Mail Code 104/6...

Rev 1 to Ltr Rept-06, "Review of Sys Analysis in Diablo Canyon PRA:Component CWS,Reactor Coolant Pump Seal Cooling Equipment."

REVIEW OF THE DCPRA: LETTER REPORT-06/REV.1A REVIEW OF SYSTEM ANALYSIS IN THE DCPRACOMPONENT COOLING WATER SYSTEM,REACTOR COOLANT PUMP SEAL COOLING EQUIPMENTG. BozokiR. FitzpatrickM. SabekMay 1989Risk Evaluation Group.Department of Nuclear EnergyBrookhaven National LaboratoryU...

Diablo Canyon Units 1 and 2, Letter Responding to Series of Additional Questions Received Informally from Staff on July 31, 1978 Concerning PG&E's Financial Qualifications.

~Q a/a~gz~REGULATORY INFORMATION DISTRIBUTION SYSTEM /323REC: STOLZ J FNRCORG: CRANE P APACIFIC GAS 8( ELECDOCDATE: 08/24/78DATE RCVD: 08/28/78DOCTYPE: LETTER NOTARIZED: NOCOPIES RECEIVEDSUBJECT:LTR 1 ENCL 0FURNISHING RESPONSE TO SE...

Diablo Canyon, Units 1 and 2 - Commitment to Submit a License Amendment Request to Transition to National Fire Protection Association (NFPA) Standard 805, and Request to Extend Enforcement Discretion (TAC Nos. ME6634 and ME6635).

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 July 28, 2011 Mr. John T. Conway Senior Vice President - Energy Supply and Chief Nuclear Officer Pacific Gas and Electric Company Diablo Canyon Power Plant 77 Beale Street, Mail Code B32 San Francisco, C...

Submittal of K Erikson,J Johnson,S Plotkin & M Pulido direct testimony.Certificate of Svc encl.Related correspondence.

-.wIU2.ATED CO o o tr' pn -m tzw nUNITED STATES OF AMERICA'NUCLEAR REGULATORY COMMISSIONBEFORE THE ATOMIC SAFETY AND LICENSING BOARD)In the Matter of ))PACIFIC GAS AND ELECTRIC CO3DANY )Docket Nos. 50-275 0.L.)50-323 0.L.(Diablo Canyon Nuclear Power )Plant, Units 1 and 2) )))J...

Diablo Canyon Power Plant, Units 1 and 2 - Response to Request for Clarification of NRC Staff Evaluation Dated 12/14/2009 re Technical Specification Interpretation of 230 Kilovolt System Operability (TAC ME3346 and ME3347).

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 July 7, 2010 Mr. John T. Conway Senior Vice President - Energy Supply and Chief Nuclear Officer Pacific Gas and Electric Company Diablo Canyon Power Plant 77 Beale Street, Mail Code B32 San Francisco, CA...

Diablo Canyon Power Plant, Unit Nos. 1 and 2 - Closure Letter for Generic Letter 2008-01, "Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems" (TAC MD7820 and MD7821).

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 October 28, 2009 Mr. John T. Conway Senior Vice President - Energy Supply and Chief Nuclear Officer Pacific Gas and Electric Company Diablo Canyon Power Plant P.O. Box 3, Mail Code 104/6/601 Avila Beach,...

"Diablo Canyon Verification Program," semimonthly Rept 38 for 830510-23.

Pacific Gas and Electric CompanySemimonthly Report Ho. 38Diablo Canyon Verification ProgramMay 27, 1983SUMMARYThis is PGandE's thirty-eighth Semimonthly Status Report which summarizes theprogress of our design verification program from May 10, 1983, throughMay 23, 1983.The Tel...

Forwards Vols I & II of PSAR filed by PG&E for proposed const & operation of pressurized water nuclear reactor at Diablo Canyon site in San Luis Obispo County,CA & requests rept of review by 670415.W/o encl.

r-.DistributSuppl.f.-)DRI, RdFEB 6 1967R&PRSB R:Iorig: H'Becket No. 50-275E. G. CaR. S. BoyK. Wooda'J. F. ?;eMr. Dwight M. LemmonAssistaat Chief GeologistU. S. Geologiaal Survey5. S. Departinest of tha lateriorRoom 4214. OEA BuildingWashingtee, D. C. 20242"Dear Mr. Lemmonla ac...

05/07/2015 Notice of Meeting with Pacific Gas and Electric Company Regarding the Digital Replacement of the Process Protection System at Diablo Canyon Power Plant, Units 1 and 2 (TAC Nos. ME7522 and ME7523)

April 23, 2015Title: Notice of Meeting with Pacific Gas and Electric Company Regarding the DigitalReplacement of the Process Protection System at Diablo Canyon Power Plant, Units 1and 2 (TAC Nos. ME7522 and ME7523)May 07, 2015, 02:00 PM to 04:00 PM Date(s) and Time(s):Location...

Diablo Canyon, Units 1 & 2, Letter dated March 30, 1976, requesting that NRC deny a license to the Pacific Gas & Electric Company for operation of a reactor at plant in San Luis Obispo County, California.

8i~UIN>VEBSITY OF CALIIOIIYIA, HEIIKELEYPROi."Ul » '0'17DEIDIEEEY~DAVIS~IIIVINE~1.OS ANGKI.ES~IIIVEI5IDE~SAN DIECO~SAN Elt*NCISCOSANTA llAIIIIAI4% SAXI'A CIII,CDEPAIITSIENT Olt IIIOCIIENIISTIITBEIll»l I.ISY> CALI1'011NIA 94720t1arch 30, 19Nuclear Regulatory CommissionWashingto...

11/21/05- 8 TS Pages - Diablo Canyon Unit 1 and 2, Issuance of Amendments 183/185 Re: Revision to Technical Specifications 3.7.17 and 4.3 for a Temporary Cask Pit Spent Fuel Storage Rack for Cycles 14 to 16.

Spent Fuel Assembly Storage3.7.173.7 PLANT SYSTEMS3.7.17 Spent Fuel Assembly StorageLCO 3.7.17 Fuel assembly storage in the spent fuel pool shall be maintained suchthat:a. In the permanent spent fuel storage racks any four cells shall be ina configuration as shown in Figure 3....

Diablo Canyon Power Plant, Unit No. 2 - Generic Letter 2004-02 "Potential Impact of Debris Blockage on Emergency Recirculation During Design Basis Accident at Pressurized Water Reactors" Extension Request Approval (TAC No. MD3586)

January 18, 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 NO. 2 - GENERIC LETTER 2004-02“POTENTIAL IMPACT OF DEB...

Diablo Canyon Power Plant, Unit 2 - Relief Requests NDE-SLH U2 and NDE-LSL U2 for Second 10-year Inservice Inspection Interval re Reactor Vessel Shell Weld Inspections (TAC MD2921).

June 25, 2007Mr. John S. KeenanSenior Vice President and CNOPacific Gas and Electric CompanyDiablo Canyon Power PlantP.O. Box 770000San Francisco, CA 94177-0001SUBJECT: DIABLO CANYON POWER PLANT, UNIT 2 - RELIEF REQUESTS NDE-SLHU2 AND NDE-LSL U2 FOR REACTOR VESSEL SHELL WELD ...