ML042450493
| ML042450493 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 08/30/2004 |
| From: | Reynolds S Division Reactor Projects III |
| To: | Crane C Exelon Generation Co, Exelon Nuclear |
| References | |
| IR-05-001 | |
| Download: ML042450493 (7) | |
Text
August 30, 2004 Mr. Christopher M. Crane President and Chief Nuclear Officer Exelon Nuclear Exelon Generation Company, LLC 4300 Winfield Road Warrenville, IL 60555
SUBJECT:
MID-CYCLE PERFORMANCE REVIEW AND INSPECTION PLAN -
DRESDEN NUCLEAR POWER STATION (REPORT 50-237/05-01; 50-249/05-01)
Dear Mr. Crane:
On August 11, 2004, the NRC staff completed its mid-cycle plant performance assessment of the Dresden Nuclear Power Station. The mid-cycle review involved the participation of all technical divisions in evaluating performance for the first half of the calendar year 2004 assessment cycle. The process included a review of performance indicators (PIs) for the most recent quarter and inspection results over the previous 12 months. 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 both Units 2 and 3 for the most recent quarter was within the Regulatory Response Column of the NRCs Action Matrix, based on (1) the White Unit 3 high pressure coolant injection (HPCI) safety system unavailability PI in the Mitigating Systems Cornerstone which went White in the third quarter of 2001 due to the fault exposure hours following the Unit 3 HPCI water hammer event on July 5, 2001; and the White Unit 2 unplanned scrams per 7000 critical hours PI in the Initiating Events Cornerstone which went White in the second quarter of 2004.
In response to the White Unit 2 unplanned scrams PI, a supplemental inspection will be conducted in accordance with Inspection Procedure 95001 on October 4-8, 2004.
Additionally, the staff has identified a substantive cross-cutting issue in the area of human performance involving a number of findings over the previous 12 months. Examples include failure of an instrument maintenance supervisor to verify restoration of lifted leads on the Unit 2 HPCI system which would have prevented the automatic realignment of the HPCI pump suction to its safety-related water source; failure of maintenance workers to properly implement work instructions to reassemble the Unit 3 emergency diesel generator fuel oil pump and discharge piping resulting in failure of its 24-hour endurance run on two occasions; the lack of a process for post-maintenance flushing/purging of instrument air lines, failure to schedule stator water cooling temperature controller tuning, and failure to establish monitoring of stator water cooling generator inlet temperature as a critical parameter resulting in a Unit 2 manual scram;
C. Crane and failure of a control room unit supervisor to use valid instrumentation for monitoring Unit 2 reactor pressure during testing which resulted in the inadvertent opening of the Target Rock relief valve. We will continue to monitor human performance through the baseline inspection program.
The enclosed inspection plan details the inspections scheduled through March 31, 2006. 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. Please note that there is an Independent Spent Fuel Storage Installation (ISFSI) procedure scheduled during the period. Routine resident inspections are not listed due to their ongoing and continuous nature. The inspections in the last twelve months of the inspection plan are tentative and may be revised at the end-of-cycle review meeting.
In accordance with 10 CFR 2.390 of the NRC's "Rules of Practice," a copy of this letter and its enclosure 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).
Sincerely,
/RA/
Steven A. Reynolds, Acting Director Division of Reactor Projects Docket Nos. 50-237; 50-249 License Nos. DPR-19; DPR-25
Enclosure:
Dresden Inspection/Activity Plan See Attached Distribution
C. Crane and failure of a control room unit supervisor to use valid instrumentation for monitoring Unit 2 reactor pressure during testing which resulted in the inadvertent opening of the Target Rock relief valve. We will continue to monitor human performance through the baseline inspection program.
The enclosed inspection plan details the inspections scheduled through March 31, 2006. 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. Please note that there is an Independent Spent Fuel Storage Installation (ISFSI) procedure scheduled during the period. Routine resident inspections are not listed due to their ongoing and continuous nature. The inspections in the last twelve months of the inspection plan are tentative and may be revised at the end-of-cycle review meeting.
In accordance with 10 CFR 2.390 of the NRC's "Rules of Practice," a copy of this letter and its enclosure 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).
Sincerely,
/RA/
Steven A. Reynolds, Acting Director Division of Reactor Projects Docket Nos. 50-237; 50-249 License Nos. DPR-19; DPR-25
Enclosure:
Dresden Inspection/Activity Plan See Attached Distribution DOCUMENT NAME: G:\\Branch TSS\\midcycle2004\\Midcycle Ltrs\\Dre.wpd To receive a copy of this document, indicate in the box "C" = Copy without attachment/enclosure "E" = Copy with attachment/enclosure "N" = No copy OFFICE RIII RIII NAME MRing:rj SReynolds DATE 08/25/04 08/26/04 OFFICIAL RECORD COPY C. Crane cc w/encl:
Site Vice President - Dresden Nuclear Power Station Dresden Nuclear Power Station Plant Manager Regulatory Assurance Manager - Dresden Chief Operating Officer Senior Vice President - Nuclear Services Senior Vice President - Mid-West Regional Operating Group Vice President - Mid-West Operations Support Vice President - Licensing and Regulatory Affairs Director Licensing - Mid-West Regional Operating Group Manager Licensing - Dresden and Quad Cities Senior Counsel, Nuclear, Mid-West Regional Operating Group Document Control Desk - Licensing Assistant Attorney General Illinois Department of Nuclear Safety State Liaison Officer Chairman, Illinois Commerce Commission
C. Crane ADAMS Distribution:
AJM DFT DWW Project Director, NRR Project Mgr., NRR RidsNrrDipmlipb JLC1 GEG HBC RML2 SRI Dresden DRPIII DRSIII PLB1 JRK1
Dresden Inspection / Activity Plan 09/01/2004 - 03/31/2006 Inspection Type Inspection Activity Planned Dates Start End No. of Staff on Site Title Unit Number Page 1 of 2 08/27/2004 11:18:20 Report 22 1
- SUPPLEMENTAL INSPECTION FOR WHITE PI Supplemental Program 10/04/2004 10/08/2004 Supplemental Inspection For One Or Two White Inputs In A Strategic Performance Area IP 95001 2, 3 1
ISI 3
- INSERVICE INSPECTION UNIT 3 Baseline Inspections 11/08/2004 11/12/2004 Inservice Inspection Activities - BWR IP 7111108G 2, 3 1
- ALARA (OUTAGE)
Baseline Inspections 11/04/2004 11/10/2004 ALARA Planning and Controls IP 7112102 2, 3 1
- RADWASTE & TRANSPORTATION Baseline Inspections 01/31/2005 02/04/2005 Radioactive Material Processing and Transportation IP 7112202 2, 3 3
MOD/5059
- MODIFICATIONS/50.59 INSPECTION Baseline Inspections 02/07/2005 02/11/2005 Evaluation of Changes, Tests, or Experiments IP 7111102 2, 3 Baseline Inspections 02/07/2005 02/11/2005 Permanent Plant Modifications IP 7111117B 2, 3 3
FPI
- TRIENNIAL FIRE PROTECTION Baseline Inspections 03/14/2005 04/01/2005 Fire Protection IP 7111105T 2, 3 2
71114
- EP EXERCISE & EP PI INSPECTION Baseline Inspections 03/07/2005 03/11/2005 Exercise Evaluation IP 7111401 2, 3 Baseline Inspections 03/07/2005 03/11/2005 Performance Indicator Verification IP 71151 2, 3 1
MAINT
- BIENNIAL MAINTENANCE RULE INSPECTION Baseline Inspections 04/11/2005 04/15/2005 Maintenance Effectiveness IP 7111112B 2, 3 1
- RADIOLOGICAL EFFLUENT CONTROL Baseline Inspections 04/25/2005 04/29/2005 Radioactive Gaseous and Liquid Effluent Treatment and Monitoring Systems IP 7112201 2, 3 Baseline Inspections 04/25/2005 04/29/2005 Performance Indicator Verification IP 71151 2, 3 1
- OPERATION OF AN ISFSI Other Routine 05/01/2005 06/30/2005 Operation Of An ISFSI IP 60855 2, 3 1
- RADIOLOGICAL ACCESS CONTROL Baseline Inspections 08/01/2005 08/05/2005 Access Control to Radiologically Significant Areas IP 7112101 2, 3 Baseline Inspections 08/01/2005 08/05/2005 Performance Indicator Verification IP 71151 2, 3 5
SSDPC
- SAFETY SYSTEM DESIGN & PERFORMANCE Baseline Inspections 09/05/2005 09/23/2005 Safety System Design and Performance Capability IP 7111121 2, 3 3
FY 2005
- DRESDEN INIT PREP 08/2005 Not Applicable 08/29/2005 09/02/2005 OL - INITIAL EXAM - DRESDEN - AUG/SEP 2005 W90124 2
3 FY 2005
- DRESDEN INIT EXAM 09/2005 Not Applicable 09/19/2005 09/23/2005 OL - INITIAL EXAM - DRESDEN - AUG/SEP 2005 W90124 2
1 ISI
- UNIT 2 ISI INSPECTION Baseline Inspections 10/31/2005 11/11/2005 Inservice Inspection Activities - BWR IP 7111108G 3
This report does not include INPO and OUTAGE activities.
This report shows only on-site and announced inspection procedures.
Dresden Inspection / Activity Plan 09/01/2004 - 03/31/2006 Inspection Type Inspection Activity Planned Dates Start End No. of Staff on Site Title Unit Number Page 2 of 2 08/27/2004 11:18:20 Report 22 1
- OUTAGE ALARA Baseline Inspections 11/14/2005 11/18/2005 ALARA Planning and Controls IP 7112102 2, 3 Baseline Inspections 11/14/2005 11/18/2005 Performance Indicator Verification IP 71151 2, 3 1
HTSINK
- HEAT SINK BIENNIAL Baseline Inspections 02/06/2006 02/10/2006 Heat Sink Performance IP 7111107B 2, 3 This report does not include INPO and OUTAGE activities.
This report shows only on-site and announced inspection procedures.