ML032390741

Midcycle Performance Review and Inspection Plan - Diablo Canyon

ML032390741
Person / Time
Site:	Diablo Canyon
Issue date:	08/27/2003
From:	William Jones NRC/RGN-IV/DRP/RPB-E
To:	Rueger G Pacific Gas & Electric Co
References
Download: ML032390741 (7)

Text

August 27, 2003 Gregory M. Rueger, Senior Vice President, Generation and Chief Nuclear Officer Pacific Gas and Electric Company Diablo Canyon Power Plant P.O. Box 3 Avila Beach, California 93424

SUBJECT:

MIDCYCLE PERFORMANCE REVIEW AND INSPECTION PLAN - DIABLO CANYON

Dear Mr. Rueger:

On August 6, 2003, the NRC staff completed its midcycle plant performance assessment of Diablo Canyon. The midcycle review for Diablo Canyon involved the participation of all technical divisions in evaluating performance indicators (PIs) for the most recent quarter and inspection results from January 1 through June 30, 2003. The purpose of this letter is to inform you of our assessment of your safety performance during this period and our plans for future inspections at your facility so that you will have an opportunity to prepare for these inspections and to inform us of any planned inspections that may conflict with your plant activities.

Plant performance for the most recent quarter was within the Licensee Response Column of the NRCs Action Matrix, based on all inspection findings being classified as having very low safety significance (Green) and all PIs indicating performance at a level requiring no additional NRC oversight (Green). Therefore, we plan to conduct baseline inspections and Temporary Instruction 2515/150, Reactor Pressure Vessel Head and Vessel Head Penetration Nozzles, at your facility through September 30, 2004.

Additionally, the staff has identified a substantive crosscutting issue in the area of human performance. The human performance issues contributed to a number of green findings identified in the initiating events, mitigating systems, barrier integrity, and occupational radiation safety cornerstones. The findings included activities performed by operations and maintenance personnel. The majority of the errors involved instances of failing to ensure procedure quality or failing to follow procedures. In the initiating events cornerstone, two of the human performance issues resulted in plant transients. In one instance, maintenance personnel failed to verify previous wiring changes and the function of the circuit prior to lifting leads associated with turbine first stage pressure that resulted in inward control rod motion. In a second instance, a pressurizer power-operated relief valve opened, during power operations, when a surveillance test was performed using an incorrect revision of a procedure.

Other human performance deficiencies involved control of activities performed during the Unit 2 refueling outage. There were findings in the initiating events, mitigating systems, barrier integrity and occupational radiation protection cornerstones. Three of the findings were identified during midloop or reduced inventory operation. Specifically, a shift foreman was not

Pacific Gas and Electric Company promptly notified when containment closure could not be attained, the impact on midloop vessel level indication from filling the pressurizer relief tank was not considered, and work was performed around a startup transformer, the single source of offsite power, without notifying the shift foreman. In a separate instance, the reactor coolant system low temperature overpressure protection was inappropriately defeated and an auxiliary feedwater check valve was improperly installed. Lastly, a finding was identified when maintenance personnel did not contact radiation protection personnel prior to working in an overhead area.

The NRC will monitor your efforts to address this issue. Our monitoring efforts will be accomplished during the conduct of the routine baseline inspection program, including a problem identification and resolution inspection in June 2004.

The enclosed inspection plan details the inspections scheduled through September 30, 2004.

The inspection plan is provided to minimize the resource impact on your staff and to allow for scheduling conflicts and personnel availability to be resolved in advance of inspector arrival onsite. Routine resident inspections are not listed due to their ongoing and continuous nature.

The inspections in the last 6 months of the inspection plan are tentative and may be revised at the end-of-cycle review meeting.

In accordance with 10 CFR 2.790 of the NRCs Rules of Practice, a copy of this letter and its enclosure will be made 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).

If circumstances arise which cause us to change the inspection plan, we will contact you to discuss the change as soon as possible. Please contact me at 817/860-8147 with any questions you may have regarding this letter or the inspection plan.

Sincerely,

/RA/

William B. Jones, Chief Project Branch E Division of Reactor Projects Dockets: 50-275 50-323 Licenses: DPR-80 DPR-82

Enclosure:

Diablo Canyon Inspection/Activity Plan

Pacific Gas and Electric Company cc w/enclosure:

David H. Oatley, Vice President and General Manager Diablo Canyon Power Plant P.O. Box 56 Avila Beach, California 93424 Lawrence F. Womack, Vice President, Power Generation & Nuclear Services Diablo Canyon Power Plant P.O. Box 56 Avila Beach, California 93424 James R. Becker, Vice President Diablo Canyon Operations and Station Director, Pacific Gas and Electric Company Diablo Canyon Power Plant P.O. Box 3 Avila Beach, California 93424 Pete Wagner Sierra Club California 2650 Maple Avenue Morro Bay, California 93442 Nancy Culver San Luis Obispo Mothers for Peace P.O. Box 164 Pismo Beach, California 93448 Chairman San Luis Obispo County Board of Supervisors Room 370 County Government Center San Luis Obispo, California 93408 Truman Burns\Mr. Robert Kinosian California Public Utilities Commission 505 Van Ness, Rm. 4102 San Francisco, California 94102 Diablo Canyon Independent Safety Committee Robert R. Wellington, Esq.

Legal Counsel 857 Cass Street, Suite D Monterey, California 93940

Pacific Gas and Electric Company Ed Bailey, Radiation Control Program Director Radiologic Health Branch State Department of Health Services P.O. Box 942732 (MS 178)

Sacramento, California 94234-7320 Richard F. Locke, Esq.

Pacific Gas and Electric Company P.O. Box 7442 San Francisco, California 94120 City Editor The Tribune 3825 South Higuera Street P.O. Box 112 San Luis Obispo, California 93406-0112 James D. Boyd, Commissioner California Energy Commission 1516 Ninth Street (MS 34)

Sacramento, California 95814 David Edge, County Administrative Officer San Luis Obispo County Board of Supervisors Room 370 County Government Center San Luis Obispo, California 93408 Federal Emergency Management Agency Region IX Jeff Griffin, Regional Director 1111 Broadway Suite 1200 Oakland, California 94607 The Honorable Tony Ferrara Mayor, City of Arroyo Grande P.O. Box 550 Arroyo Grande, California 93421 The Honorable Ronald Arnoldsen Mayor, City of Grover Beach P.O. Box 365 154 S. 8th Street Grover Beach, California 93483

Pacific Gas and Electric Company The Honorable William Yates Mayor, City of Morro Bay 595 Harbor Street Morro Bay, California 93442 The Honorable Dave Romero Mayor, City of San Luis Obispo 990 Palm Street San Luis Obispo, California 93401 The Honorable Joe Crescione Mayor, City of Pismo Beach 760 Mattie Road Pismo Beach, California 93449

Page 1 of 2 Diablo Canyon 08/13/2003 12:59:56 Inspection / Activity Plan Report 22 08/01/2003 - 09/30/2004 Unit No. of Staff Planned Dates Inspection Number Inspection Activity Title on Site Start End Type SPECIAL - SPECIAL INSPECTION 2 1, 2 IP 93812 Special Inspection 08/11/2003 08/15/2003 Event Response Insp PSBS1-DS - SECURITY BASELINE INSPECTION 1 1, 2 IP 7113002 Access Control (Search of Personnel, Packages, and Vehicles: Identification and Authorizati 09/23/2003 09/26/2003 Baseline Inspections 1, 2 IP 7113003 Response to Contingency Events (Protective Strategy and Implementation of Protective Stra 09/23/2003 09/26/2003 Baseline Inspections 1, 2 IP 71151 Performance Indicator Verification 09/23/2003 09/26/2003 Baseline Inspections ALARA3 - ALARA PLANNING AND CONTROLS 1 1, 2 IP 7112102 ALARA Planning and Controls 10/06/2003 10/10/2003 Baseline Inspections PSB-EP1 - EP PROGRAM BASELINE INSPECTION 1 1, 2 IP 7111402 Alert and Notification System Testing 11/03/2003 11/07/2003 Baseline Inspections 1, 2 IP 7111403 Emergency Response Organization Augmentation Testing 11/03/2003 11/07/2003 Baseline Inspections 1, 2 IP 7111404 Emergency Action Level and Emergency Plan Changes 11/03/2003 11/07/2003 Baseline Inspections 1, 2 IP 7111405 Correction of Emergency Preparedness Weaknesses and Deficiencies 11/03/2003 11/07/2003 Baseline Inspections 1, 2 IP 71151 Performance Indicator Verification 11/03/2003 11/07/2003 Baseline Inspections BRE01 - RESIDENT INSPECTION 1ST QUARTER 6 1, 2 IP 7111104 Equipment Alignment (Quarterly) 01/01/2004 03/27/2004 Baseline Inspections 1, 2 IP 7111104S Equipment Alignment 01/01/2004 03/27/2004 Baseline Inspections 1, 2 IP 7111105Q Fire Protection 01/01/2004 03/27/2004 Baseline Inspections 1, 2 IP 7111111Q Licensed Operator Requalification 01/01/2004 03/27/2004 Baseline Inspections 1, 2 IP 7111112Q Maintenance Effectiveness 01/01/2004 03/27/2004 Baseline Inspections 1, 2 IP 7111113 Maintenance Risk Assessments & Emergent Work Evaluation 01/01/2004 03/27/2004 Baseline Inspections 1, 2 IP 7111115 Operability Evaluations 01/01/2004 03/27/2004 Baseline Inspections 1, 2 IP 7111119 Post Maintenance Testing 01/01/2004 03/27/2004 Baseline Inspections 1 IP 7111120 Refueling and Outage Activities 01/01/2004 03/27/2004 Baseline Inspections 1, 2 IP 7111122 Surveillance Testing 01/01/2004 03/27/2004 Baseline Inspections 1, 2 IP 7111123 Temporary Plant Modifications 01/01/2004 03/27/2004 Baseline Inspections 1, 2 IP 7111406 Drill Evaluation 01/01/2004 03/27/2004 Baseline Inspections 1, 2 IP 71151 Performance Indicator Verification 01/01/2004 03/27/2004 Baseline Inspections 1, 2 IP 71152 Identification and Resolution of Problems 01/01/2004 03/27/2004 Baseline Inspections EMB - INSERVICE INSPECTION 1 1 IP 7111108P Inservice Inspection Activities - PWR 02/02/2004 02/06/2004 Baseline Inspections 1 IP 7111108P Inservice Inspection Activities - PWR 02/09/2004 02/13/2004 Baseline Inspections TI 150 - TI 2515/150 - RP VESSEL HEAD INSPECTION 1 1 IP 2515/150 Reactor Pressure Vessel Head and Vessel Head Penetration Nozzles (NRC Bulletin 2002-0 02/07/2004 04/01/2004 Safety Issues This report does not include INPO and OUTAGE activities.

This report shows only on-site and announced inspection procedures.

Page 2 of 2 Diablo Canyon 08/13/2003 12:59:56 Inspection / Activity Plan Report 22 08/01/2003 - 09/30/2004 Unit No. of Staff Planned Dates Inspection Number Inspection Activity Title on Site Start End Type ACCESSPI - ACRSA/PIV 1 1, 2 IP 7112101 Access Control to Radiologically Significant Areas 02/16/2004 02/20/2004 Baseline Inspections ALARA1 - ALARA PLANNING AND CONTROLS 1 1, 2 IP 7112102 ALARA Planning and Controls 05/17/2004 05/21/2004 Baseline Inspections 2004025 - SAFETY SYS. DESIGN AND PERF. CAPABILITY 4 1, 2 IP 7111121 Safety System Design and Performance Capability 06/07/2004 06/11/2004 Baseline Inspections 1, 2 IP 7111121 Safety System Design and Performance Capability 06/21/2004 06/25/2004 Baseline Inspections 2004026 - CHANGES, TESTS. AND EXPERIMENTS 1 1, 2 IP 7111102 Evaluation of Changes, Tests, or Experiments 06/07/2004 06/11/2004 Baseline Inspections PIR - BIENNIAL PIR 4 1, 2 IP 71152B Identification and Resolution of Problems 06/28/2004 07/16/2004 Baseline Inspections 2004034 - EVAL. OF MAINTENANCE EFFECTIVENESS 1 1, 2 IP 7111112B Maintenance Effectiveness 08/09/2004 08/13/2004 Baseline Inspections This report does not include INPO and OUTAGE activities.

This report shows only on-site and announced inspection procedures.