ML12089A430
| ML12089A430 | |
| Person / Time | |
|---|---|
| Site: | Susquehanna  |
| Issue date: | 03/21/2012 |
| From: | Paul Krohn Reactor Projects Region 1 Branch 4 |
| To: | |
| KROHN, PG | |
| Shared Package | |
| ML12089A178 | List: |
| References | |
| Download: ML12089A430 (18) | |
Text
Susquehanna Steam Electric Station Supplemental Inspection Exit and Regulatory Performance Meeting Nuclear Regulatory Commission - Region 1 Berwick , PA March 21, 2012 1
Agenda Opening Remarks Supplemental Inspection Objective and Scope Supplemental Inspection Results and observations PPL Response Action Matrix Outcome Closing Remarks Questions from the Public Adjourn Meeting 2
Reactor Oversight Process Strategic Performance Areas Safety Cornerstones Performance Indicator Baseline Inspection Results Results Significance Significance Threshold Threshold Action Matrix Regulatory Response 3
Action Matrix Concept Licensee Regulatory Degraded Multiple Repetitive Unacceptable Response Response Cornerstone Degraded Cornerstone Performance All Inputs are 1 or 2 White 2 White or 1 Yellow Multiple Yellow Inputs or Overall Unacceptable Green; Inputs (in Input; Cornerstone 1 Red Input; Performance; Plants Cornerstone different Objectives Met w/ Cornerstone Objectives not permitted to Objectives cornerstones); Moderate Met w/ Significant Operate w/in this Fully Met Cornerstone Degradation in Degradation in Safety Column; Unacceptable Objectives Fully Safety Performance Performance Margin to Safety Met Susquehanna Unit 1
- Increasing safety significance
- Increasing NRC inspection efforts
- Increasing NRC/Licensee management involvement
- Increasing regulatory actions 4
Safety Significant Finding (White)
- Event: Flooding in the Unit 1 condenser bay on July 16, 2010
- Cause: Inadequate maintenance and operations procedures
- Risk: Elevated due to loss of the normal heat sink 5
Safety Significant Performance Indicator
- The Unplanned Scrams performance indicator (Pl) crossed the Green-to-White threshold during the first quarter 2011 2011.
- Specifically, Unit 1 had four unplanned scrams in a twelve month period.
- April, May, July 2010, and January 2011 6
Supplemental Inspection Inspection Procedure 95002 Objectives:
- To provide assurance that the root and contributing causes of risk-significant performance issues are understood.
- To independently assess the extent of condition and extent of cause.
cause
- To independently determine if safety culture components caused or significantly contributed to the performance issues.
- To provide assurance that the licensees corrective actions are sufficient to address the root and contributing causes and prevent recurrence.
7
Supplemental Inspection Inspection Procedure 95002 Areas Covered:
- Problem Identification
- Root Cause Evaluation
- Corrective Actions
- Independently Assess of Extent of Condition and Extent of Cause
- Safety Culture 8
Supplemental Inspection
- Conducted February 13 - March 2, 2012
- Inspectors: Senior Resident Inspector, Senior Project Engineer, 2 Resident Inspectors, Project Engineer, and Safety Culture Expert
- Document Review
- Focus Group interviews
- Interviews, observations, and verification
- Independent review of Root Cause Evaluations
- Related issue review; Extent of Cause and Extent of Condition 9
Inspection Results
- Unplanned Scrams White Performance Indicator Closed
- 1. All Four 1 F Objectives Obj ti M Mett
- 2. Risk Based Decision Making Implemented
- 3. Implemented New Corrective Action Process 10
Inspection Results
- Condenser Bay Flood White Finding Held Open 3/4Corrective Action and Extent of Condition/Extent of Cause Objectives not met
- Actions taken or planned to correct the issue do not provide the assurance level required to meet the inspection objectives
- Some Corrective Actions were Delayed
- Narrow Scope of Actions taken to address Extent of Condition and Extent of Cause 11
Follow-up Inspection
- Focus on objectives not met:
- 1. Verify Extent of Condition for leaks and Extent of Cause for inadequate maintenance procedures are appropriately addressed
- 2. Verify adequacy and effectiveness of selected action items related to the procedure quality upgrade project 12
PPL Response and Remarks Timothy S. Rausch Sr. Vice President & Chief Nuclear Offi Officer PPL Susquehanna, LLC 13
Action Matrix Outcome William Dean - Regional Administrator USNRC Region I 14
Action Matrix Concept Licensee Regulatory Degraded Multiple Repetitive Unacceptable Response Response Cornerstone Degraded Cornerstone Performance All Inputs are 1 or 2 White 2 White or 1 Yellow Multiple Yellow Inputs or Overall Unacceptable Green; Inputs (in Input; Cornerstone 1 Red Input; Performance; Plants Cornerstone different Objectives Met w/ Cornerstone Objectives not permitted to Objectives cornerstones); Moderate Met w/ Significant Operate w/in this Fully Met Cornerstone Degradation in Degradation in Safety Column; Unacceptable Objectives Fully Safety Performance Performance Margin to Safety Met Susquehanna Unit 1
- Increasing safety significance
- Increasing NRC inspection efforts
- Increasing NRC/Licensee management involvement
- Increasing regulatory actions 15
Open to the Public
- The NRC places a high priority on keeping the public and stakeholders informed of its activities.
- At www.nrc.gov, you can:
- Find public meeting dates and transcripts;
- Read NRC testimony, speeches, press releases, and policy decisions; and
- Access the agencys Electronic Reading Room to find NRC publications and documents.
16
Contacting the NRC
- Report an emergency
- (301) 816-5100 (call collect)
- Report a safety concern
- (800) 695 695-7403 7403
- Allegation@nrc.gov
- General information or questions
- www.nrc.gov
- Select What We Do for Public Affairs 17
Reference Sources
- Reactor Oversight Process
- http://www.nrc.gov/NRR/OVERSIGHT/ASSESS/index
.html
- Public Electronic Reading Room
- http://www.nrc.gov/reading-rm.html
- Public Document Room 800-397-4209 (Toll Free) 18