IR 05000275/2015005

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Mid-Cycle Assessment Letter for Diablo Canyon Power Plant, Units 1 and 2 (Report 05000275/2015005 and 05000323/2015005)
ML15243A583
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 09/01/2015
From: Pruett T W
NRC/RGN-IV/DRP
To: Halpin E D
Pacific Gas & Electric Co
Ryan Alexander
References
IR 2015005
Download: ML15243A583 (7)


Text

UNITED STATES NUCLEAR REGULATORY COMMISSION REGION IV 1600 E LAMAR BLVD ARLINGTON, TX 76011

-4511 September 1, 2015 Mr. Edward 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: MID-CYCLE ASSESSMENT LETTER FOR DIABLO CANYON POWER PLANT, UNITS 1 AND 2 (REPORT 05000275/2015005 AND 05000323/2015005

)

Dear Mr. Halpin:

On August 11, 2015, the Nuclear Regulatory Commission (NRC) completed its mid-cycle performance review of Diablo Canyon Power Plant, Units 1 and 2. The NRC reviewed the most recent quarterly performance indicators (PIs) in addition to inspection results and enforcement actions from July 1, 2014, through June 30, 2015. This letter informs you of the NRC's assessment of your facility during this period and its plans for future inspections at your facility.

The NRC determined the performance at Diablo Canyon Power Plant, Units 1 and 2, during the most recent quarter was within the Regulatory Response Column of the NRC's Reactor Oversight Process (ROP) Action Matrix, effective beginning the fourth quarter 2014, because of one White finding in the Emergency Preparedness Cornerstone, for Units 1 and 2. The specifics regarding the White finding in the Emergency Preparedness Cornerstone and subsequent transition of Diablo Canyon Power Plant, Units 1 and 2, to the Regulatory Response Column was described in our annual assessment letter to you, dated March 4, 2015

. The NRC plans to conduct a supplemental inspection to review the actions taken to address the performance issues associated with the White finding in accordance with Inspection Procedure 95001, "Supplemental Inspection for One or Two White Inputs in a Strategic Performance Area." The NRC will plan this inspection activity when you provide written notification of your readiness for the inspection.

This supplemental inspection will provide assurance that the root causes and contributing causes of the risk

-significant performance issues are understood, that the extent of condition and extent of cause of risk

-significant performance issues are identified, and that your corrective actions for risk

-significant performance issues are sufficient to address the root and contributing causes and prevent recurrence.

The enclosed inspection plan lists the inspections scheduled through June 30, 2017. Routine inspections performed by resident inspectors are not included in the inspection plan. The inspections listed during the last nine months of the inspection plan are tentative and may be revised at the end-of-cycle performance review. The NRC provides the inspection plan to allow for the resolution of any scheduling conflicts and personnel availability issues. The NRC will contact you as soon as possible to discuss changes to the inspection plan should circumstances warrant any changes. This inspection plan does not include security

-relate d inspections, which will be sent via separate, non

-publicly available correspondence.

In response to the accident at Fukushima, the Commission issued Order EA

-12-049, "Order Modifying Licenses with Regard to Requirements for Mitigation Strategies for Bey ond-Design-Basis External Events," which requires licensees to develop, implement, and maintain guidance and strategies to maintain or restore core cooling, containment, and spent fuel pool cooling capabilities following a beyond

-design-basis external even t. Additionally, the Commission issued Order EA

-12-051, "Order Modifying Licenses with Regard to Reliable Spent Fuel Pool Instrumentation," which requires licensees to have a reliable means of remotely monitoring wide-range Spent Fuel Pool levels to support effective prioritization of event mitigation and recovery actions in the event of a beyond

-design-basis external event.

The NRC is conducting audits of licensee efforts towards compliance with these Orders.

The audit has been completed at Diablo Canyon Power Plant, and the information gathered will aid staff in development of the ultimate Safety Evaluation for the site.

After the NRC staff receives the Final Compliance letter for the site, the Final Safety Evaluation will be issued.

Then, the NRC staff will confirm through inspections the full implementation of the orders mentioned above by performing Temporary Instruction 2515/191 , "Inspection of the Implementation of Mitigating Strategies and Spent Fuel Pool Instrumentation Orders and Emergency Preparedness Communication/Staffing/Multi

-Unit Dose Assessment Plans."

In accordance with 10 CFR 2.390 of the NRC's "Rules of Practice," a copy of this letter will be available electronically for public inspection in the NRC Public Document Room or from the Publicly Available Records (PARS) component of NRC's document system (ADAMS). ADAMS is accessible from the NRC Web site at http://www.nrc.gov/reading

-rm/adams.html (the Public Electronic Reading Room). Please contact Ryan Alexander at (817) 200-1195 with any questions you have regarding this letter.

Sincerely,/RA/

Troy Pruett, Director Division of Reactor Projects Docket No s.: 50-275; 50-323 License No s.: DPR-80; DPR-82

Enclosure:

Diablo Canyon Power Plant, Units 1 and 2 Inspection/Activity Plan

SUNSI Review By: RAlexander ADAMS Yes No Publicly Available Non-Publicly Available Non-Sensitive Sensitive OFFICE RIV/BC/DRP RIV/D/DRS RIV/D/DRP NAME RAlexander AVegel TPruett SIGNATURE /RA/ /RA/ /RA/ DATE 8/26/15 8/26/15 8/27/15 Letter to Edward from Troy Pruett dated September 1, 2015

SUBJECT: ANNUAL ASSESSMENT LETTER FOR DIABLO CANYON POWER PLANT, UNITS 1 AND 2 (REPORT 05000275/201 5005 AND 05000323/201 5005) DISTRIBUTION

Regional Administrator (Marc.Dapas@nrc.gov) Deputy Regional Administrator (Kriss.Kennedy@nrc.gov) DRP Director (Troy.Pruett@nrc.gov) DRP Deputy Director (Ryan.Lantz@nrc.gov) DRS Director (Anton.Vegel@nrc.gov) DRS Deputy Director (Jeff.Clark@nrc.gov) Senior Resident Inspector (Thomas.Hipschman@nrc.gov) Resident Inspector (John.Reynoso@nrc.gov

) Administrative Assistant (Madeleine.Ariel

-Davis@nrc.gov)

Acting Branch Chief (Ryan.Alexander@nrc.gov) Senior Project Engineer (Ryan.Alexander@nrc.gov)

Project Engineer (Tom.Sullivan@nrc.gov) Project Engineer (Matthew.Kirk@nrc.gov) Public Affairs Officer (Victor.Dricks@nrc.gov)

Public Affairs Officer (Lara.Uselding@nrc.gov

) RIV State Liaison Officer (Bill.Maier@nrc.gov)

Project Manager (Siva.Lingam@nrc.gov) Acting Team Lead DRS/TSS (Eric.Ruesch@nrc.gov)

Director, DIRS, NRR (Scott.Morris@nrc.gov)

Deputy Director, DIRS, NRR (Allen.Howe@nrc.gov)

Director, DORL, NRR (Anne.Boland@nrc.gov) Deputy Director, DORL, NRR (George.Wilson@nrc.gov)

Director, NSIR/DPR (Rob.Lewis@nrc.gov)

Chief, PLB IV, DORL, NRR (Michael.Markley@nrc.gov

) Regional Counsel (Karla.Fuller@nrc.gov)

RITS Coordinator (Marisa.Herrera@nrc.gov)

Technical Support Assistant (Loretta.Williams@nrc.gov)

Congressional Affairs Officer (Jenny.Weil@nrc.gov

) RIV Congressional Affairs Officer (Angel.Moreno@nrc.gov)

RIV/ETA: OEDO (Cindy.Rosales

-Cooper@nrc.gov) ROPassessment Resource@nrc.gov ROPreports@nrc.gov OEMail Resource@nrc.gov

Distribution via Listserv for Diablo Canyon Power Plant

Page 1 of 3 08/26/2015 14:07:02 Report 22 Unit NumberPlanned Dates Start EndInspection ActivityTitle No. of Staff on SiteDiablo CanyonInspection / Activity Plan 07/01/2015

-06/30/2017 EP-1-BIENNIAL EP PROGRAM INSPECTION 1 1, 2 IP A lert and Notification System Testing7111402 07/20/2015 07/24/2015 1, 2 IP Emergency Preparedness Organization Staffing and Augmentation System7111403 07/20/2015 07/24/2015 1, 2 IP Emergency Action Level and Emergency Plan Changes7111404 07/20/2015 07/24/2015 1, 2 IP Correction of Emergency Preparedness Weaknesses and Deficiencies7111405 07/20/2015 07/24/2015 EP-2-EP PERFORMANCE INDICATORS 1 1, 2 IP Drill/Exercise Performance71151-EP01 07/20/2015 07/24/2015 1, 2 IP ERO Readiness71151-EP02 07/20/2015 07/24/2015 1, 2 IP A lert & Notification System Reliability71151-EP03 07/20/2015 07/24/2015 RS 24-RADIATION SAFETY 2 1, 2 IP Occupational ALARA Planning and Controls71124.02 07/27/2015 07/31/2015 1, 2 IP Occupational Dose Assessment71124.04 07/27/2015 07/31/2015 RS 13 PI-RADIATION SAFETY 2 1, 2 IP Radiological Hazard Assessment and Exposure Controls71124.01 10/12/2015 10/16/2015 1, 2 IP In-Plant Airborne Radioactivity Control and Mitigation71124.03 10/12/2015 10/16/2015 1, 2 IP Occupational Exposure Control Effectiveness71151-OR01 10/12/2015 10/16/2015 1, 2 IP RETS/ODCM Radiological Effluent Occurrences71151-PR01 10/12/2015 10/16/201571111.08-INSERVICE INSPECTION 1R19 1 1 IP Inservice Inspection Activities - PWR7111108P 10/12/2015 10/23/2015 EB1-21T-DC COMPONENT DESIGN BASIS INSPECTION 6 1, 2 IP Component Design Bases Inspection7111121 02/08/201603/11/2016EXAM-INITIAL EXAM 3 1 2ND INITIAL EXAM DC U1 (09/2016)

X02599 09/19/2016 09/23/2016 2 2ND INITIAL EXAM DC U2 (09/2016)

X02600 09/19/2016 09/23/2016 1 2ND INITIAL EXAM DC U1 (09/2016)

X02599 10/03/2016 10/07/2016 2 2ND INITIAL EXAM DC U2 (09/2016)

X02600 10/03/2016 10/07/2016EXAMS-INITIAL OPERATOR EXAM 5 1 INITIAL EXAM DIABLO CANYON UNIT 1 (04/2016)

X02569 03/21/2016 03/25/2016 2 INITIAL EXAM DIABLO CANYON UNIT 2 (04/2016)

X02570 03/21/2016 03/25/2016 1 INITIAL EXAM DIABLO CANYON UNIT 1 (04/2016)

X02569 04/18/2016 04/26/2016 2 INITIAL EXAM DIABLO CANYON UNIT 2 (04/2016)

X02570 04/18/2016 04/26/2016 RS 12 PI-RADIATION SAFETY 2 1, 2 IP Radiological Hazard Assessment and Exposure Controls71124.01 05/09/2016 05/13/2016 1, 2 IP Occupational ALARA Planning and Controls71124.02 05/09/2016 05/13/2016 This report does not include INPO and OUTAGE activities. This report shows only on-site and announced inspection procedures.

Page 2 of 3 08/26/2015 14:07:02 Report 22 Unit NumberPlanned Dates Start EndInspection ActivityTitle No. of Staff on SiteDiablo CanyonInspection / Activity Plan 07/01/2015

-06/30/2017 RS 12 PI-RADIATION SAFETY 2 1, 2 IP Occupational Exposure Control Effectiveness71151-OR01 05/09/2016 05/13/2016 1, 2 IP RETS/ODCM Radiological Effluent Occurrences71151-PR01 05/09/2016 05/13/201671111.08-INSERVICE INSPECTION 2R19 1 2 IP Inservice Inspection Activities - PWR7111108P 05/09/2016 05/20/2016TSB 52B-BIENNIAL PI&R INSPECTION 4 1, 2 IP Problem Identification and Resolution71152B 06/27/2016 07/01/2016 1, 2 IP Problem Identification and Resolution71152B07/11/2016 07/15/2016 EB1-07T-DC TRIENNIAL HEAT SINK PERFORMANCE 1 1, 2 IP Heat Sink Performance7111107T 08/01/2016 08/05/2016 RS 5678-RADIATION SAFETY - TEAM 4 1, 2 IP Radiation Monitoring Instrumentation71124.05 08/08/2016 08/12/2016 1, 2 IP Radioactive Gaseous and Liquid Effluent Treatment71124.06 08/08/2016 08/12/2016 1, 2 IP Radiological Environmental Monitoring Program71124.07 08/08/2016 08/12/2016 1, 2 IP Radioactive Solid Waste Processing and Radioactive Material Handling, Storage, and Transportation71124.08 08/08/2016 08/12/2016 EB2-05XT-TRIENNIAL FIRE PROTECTION INSPECTION 4 1, 2 IP Fire Protection - NFPA 805 (Triennial)7111105X 10/03/2016 10/07/2016 1, 2 IP Fire Protection - NFPA 805 (Triennial)7111105X 10/17/2016 10/21/2016 EP-2-EP PERFORMANCE INDICATORS 2 1 IP Drill/Exercise Performance71151-EP01 10/31/201611/04/2016 1 IP ERO Readiness71151-EP02 10/31/201611/04/2016 1 IP A lert & Notification System Reliability71151-EP03 10/31/201611/04/2016 EP-3-BIENNIAL EP EXERCISE INSPECTION 4 1 IP Exercise Evaluation7111401 10/31/201611/04/2016 1 IP Emergency Action Level and Emergency Plan Changes7111404 10/31/201611/04/2016 INSP-BRQ-BIENNIAL REQUAL INSPECTION 2 1, 2 IP Licensed Operator Requalification Program7111111B 04/03/2017 04/07/2017 RS 13 PI-RADIATION SAFETY 3 1, 2 IP Radiological Hazard Assessment and Exposure Controls71124.01 05/08/2017 05/12/2017 1, 2 IP In-Plant Airborne Radioactivity Control and Mitigation71124.03 05/08/2017 05/12/2017 1, 2 IP Occupational Exposure Control Effectiveness71151-OR01 05/08/2017 05/12/2017 1, 2 IP RETS/ODCM Radiological Effluent Occurrences71151-PR01 05/08/2017 05/12/201771111.08-INSERVICE INSPECTION 1 1 IP Inservice Inspection Activities - PWR7111108P 05/08/2017 05/19/2017 This report does not include INPO and OUTAGE activities. This report shows only on-site and announced inspection procedures.

Page 3 of 3 08/26/2015 14:07:02 Report 22 Unit NumberPlanned Dates Start EndInspection ActivityTitle No. of Staff on SiteDiablo CanyonInspection / Activity Plan 07/01/2015

-06/30/2017 EB1-17T-DC PERMANENT PLANT MODS & 50.59 3 1, 2 IP Evaluations of Changes, Tests, and Experiments and Permanent Plant Modifications7111117T 06/12/2017 06/30/2017 This report does not include INPO and OUTAGE activities. This report shows only on-site and announced inspection procedures.