1. SNC Severe Accident Management NEI Workshop 4/5/12 David Gambrell – Director, Severe Accident Management 205-992-6480 dlgambre@southernco.com

2. Southern Nuclear 2 Joseph M. Farley Nuclear Plant PWR – 3 Loop W Edwin I. Hatch Nuclear Plant BWR 4– GE Mark I Alvin W. Vogtle Electric Generating Plant PWR– 4 Loop W Westinghouse AP-1000

3. What does it take to implement a successful Severe Accident Program? 3

4. SAM Program Elements Organizational Commitment Coordinated Focus Plan & Schedule Budget & Resources Execution Oversight 4

5. SNC SAM Core Team 5

6. SNC SAM Charter The mission of the SNC Severe Accident Management (SAM) Team is to properly equip the Southern Nuclear Fleet to safely respond to Severe Accidents, and influence the regulator/industry response to the events at the Fukushima Dai-ichi Nuclear Power Plant and recent external events at US Nuclear Plants. Objectives Influencing key regulatory and industry groups responsible for shaping the policies for Severe Accidents. Developing a fleet Severe Accident Management Program that includes emergency response readiness guidelines that go beyond design basis Developing a plan, schedule and budget for implementation of the SAM changes and programmatic elements Developing and implementing a communication plan to all levels of SNC employees

7. Program Approach Scoping Documents Main Document Clear, Simple Structure Eases Navigation. Schedule + Budget Document

8. Project Governance 8 Program Plan [SAM PD] (SAM PMs, PM1, FIOs) Individual Projects [PMx] (SPM ) Farley Implementation [SIL] (PE, SAM PM) Hatch Implementation [SIL] (PE, SAM PM) Vogtle Implementation [SIL] (PE, SAM PM) Program Integration [PM 1] (SAM, PMs, FIOs,) Plant Health Committee and Existing Process Governance Management Council SAM PD – Program Director SAM PM – Site Program Managers FIO – Fleet Issue Owner PMx – Project Manager (Fleet) SIL – Site Implementation Lead PE – Project Engineer

9. Project & Resource Roles SAM Team – Industry interface, strategic direction, fleet issue oversight, site implementation oversight, project oversight Project Management – Project Managers to manage execution of projects as a fleet. Site Implementation Leads and Site Project Engineers will implement modifications at each site. Line organizations will implement non-modifications at each site. Key Line Resource Impacts –Nuclear Licensing –Design Support –Risk Informed Engineering –Operations –Emergency Planning Basic prioritization philosophy of resource utilization –SAM Team – 100% allocated –SNC Full Time Employees – Technical Leadership, Retained Value, Offset Priorities –Contractor Staff Augmentation – Supplemental supports under owner control –Contract Services and Products – Best Fit based on need Specialty Expertise and Services Proven Capabilities AE Support Major Projects or Turn-Key Solutions 9

10. Walk-down and Pre-Outage Activities Detailed Milestone Timeline 10  2012 Work Activities  Seismic & Flood Walk-downs  Pre-Outage Prep for Walk-downs for Order Modifications (VNP 2, HNP 2 & FNP 2)

11. Initial Tier 1 Work Hour Estimates 11

12. Sample Project Summary 2.1 Seismic Hazard Re-Evaluations 12 NEI Generic Timeline

13. Resource Projection for Tier 1-3 Recommendations 13

14. SNC Actions 14  Update Program Plan with current scope of Orders and Letter.  Identify Implementation strategies and resource allocations (gain alignment and commitment)  Identify 2012 exposure and offsets for capital and O&M required activities  Execution of 2012 activities.  Developing Budget target budget for 2013-2017.  Continue program development for Tier 2 and 3 regulatory actions.