ML16169A061: Difference between revisions

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{{#Wiki_filter:Plant Hatch NFPA 805 LAR Submittal Extension Request NRC/SNC Meeting June 21, 2016
{{#Wiki_filter:NRC/SNC Meeting June 21, 2016 Plant Hatch NFPA 805 LAR Submittal Extension Request  


Agenda
Agenda
Line 24: Line 24:
* Reason for Schedule Extension
* Reason for Schedule Extension
* NFPA-805 Transition Schedule
* NFPA-805 Transition Schedule
* Current Status of NFPA-805 Project
* Current Status of NFPA-805 Project  
  - Fire PRA
- Fire PRA  
  - Traditional FP Scope
- Traditional FP Scope
* Summary / Questions / Actions
* Summary / Questions / Actions  


Summary & Purpose
Summary & Purpose
* NRC Granted Enforcement Discretion for 10 CFR 50.48(b) for Plant Hatch based on an NFPA-805 LAR submittal date of October 4, 2016
* NRC Granted Enforcement Discretion for 10 CFR 50.48(b) for Plant Hatch based on an NFPA-805 LAR submittal date of October 4, 2016
* Fire PRA development and plant modifications have delayed the fire protection transition project
* Fire PRA development and plant modifications have delayed the fire protection transition project
* SNC intends to request an 18-month extension to the LAR submittal date
* SNC intends to request an 18-month extension to the LAR submittal date  
  - Demonstrate progress toward transition (SECY 12-0031)
- Demonstrate progress toward transition (SECY 12-0031)  
  - Use NEI/Industry Template
- Use NEI/Industry Template
* Purpose
* Purpose  
  - Detail needed for extension request
- Detail needed for extension request  
  - Describe content and schedule of formal submittal
- Describe content and schedule of formal submittal  
  - Discuss Hatch NFPA-805 Status to Date
- Discuss Hatch NFPA-805 Status to Date  


Reasons for Schedule Change
Reasons for Schedule Change FPRA Peer Review completed April 2016  
* FPRA Peer Review completed April 2016
- Additional tasks remain to resolve facts and observations  
  - Additional tasks remain to resolve facts and observations
- Refine FPRA model Add recent and future planned plant modifications  
  - Refine FPRA model
- Requires additional time for development and implementation
* Add recent and future planned plant modifications
  - Requires additional time for development and implementation
* FLEX modifications
* FLEX modifications
* Degraded Grid Voltage Protection modifications
* Degraded Grid Voltage Protection modifications Safe Shutdown Analysis re-baseline compliance analysis completed December 2015  
* Safe Shutdown Analysis re-baseline compliance analysis completed December 2015
- SSA subsequent evaluations still in progress [Potential risk for additional VFDRs]
  - SSA subsequent evaluations still in progress [Potential risk for additional VFDRs]
* Information Notice 92-18 mechanical evaluation - in progress
* Information Notice 92-18 mechanical evaluation - in progress
* Control Building HVAC heat up analysis updates - in progress
* Control Building HVAC heat up analysis updates - in progress Additional Activities  
* Additional Activities
- FP Code Evaluations  
  - FP Code Evaluations
- FP System Hydraulic Calculations  
  - FP System Hydraulic Calculations
- Engineering Equivalency Evaluations  
  - Engineering Equivalency Evaluations


Hatch NFPA 805 Transition Schedule 18 Month 2016                                              2017                                                          2018 Apr May   Jun Jul Aug Sep   Oct   Nov   Dec   Jan Feb   Mar   Apr   May Jun Jul Aug Sep Oct   Nov   Dec   Jan Feb Mar   Apr Apr 25 - 29 FPRA Peer Review                                                                                                              LAR Submittal FPRA F&O Resolution / Model Refinement Additional Fire Protection Engineering Evaluations SNC Risk Reduction Final Review Fire Risk Evaluations NSCA Transition Transition Report Review Transition Report
FPRA Peer Review FPRA F&O Resolution / Model Refinement Additional Fire Protection Engineering Evaluations Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr 2016 2017 Fire Risk Evaluations Transition Report Apr 25 - 29 LAR Submittal 2018 Transition Report Review Risk Reduction SNC Final Review NSCA Transition Hatch NFPA 805 Transition Schedule 18 Month


Project Status - Fire PRA
Project Status - Fire PRA
* Satisfactory FPRA Peer Review completed in April 2016
* Satisfactory FPRA Peer Review completed in April 2016  
  - CDF and LERF are in E-04 range
-CDF and LERF are in E-04 range  
  - Additional tasks remaining
-Additional tasks remaining
* Facts and Observations resolution
* Facts and Observations resolution
* Reduce CDF and LERF to meet RG 1.174 criteria for total risk via model refinement (e.g., take credit for installed FLEX, Degraded Grid Voltage Protection modifications) and planned plant modification identification
* Reduce CDF and LERF to meet RG 1.174 criteria for total risk via model refinement (e.g., take credit for installed FLEX, Degraded Grid Voltage Protection modifications) and planned plant modification identification
* Perform Fire Risk Evaluations
* Perform Fire Risk Evaluations  


Project Status - Traditional FP
Project Status - Traditional FP
* Fundamental FP Program and Design Elements
* Fundamental FP Program and Design Elements  
  - NFPA 805 Chapter 3 Requirements - review completed
- NFPA 805 Chapter 3 Requirements - review completed  
  - NFPA Code Compliance Evaluation - review completed
- NFPA Code Compliance Evaluation - review completed  
  - Existing Engineering Equivalency Evaluations for adequacy -
- Existing Engineering Equivalency Evaluations for adequacy -
review completed
review completed  
      - GL 86-10s
- GL 86-10s  
      - Licensing Actions - no exemptions will be retained
- Licensing Actions - no exemptions will be retained  


NFPA-805 Status LAR/TR Reference                                     Topic                       % Complete Safe shutdown Analysis Update N/A                                                                          90%
NFPA-805 Status LAR/TR Reference Topic  
(pre-requisite task)
% Complete N/A Safe shutdown Analysis Update (pre-requisite task) 90%
Fundamental FP Program Elements and Minimum Design 4.1, Attachment A                                                                    75%
4.1, Attachment A Fundamental FP Program Elements and Minimum Design Requirements (Table B-1) 75%
Requirements (Table B-1)
4.2.1, Attachment B Nuclear Safety Capability Assessment - Methodology (Table B-2) 70%
Nuclear Safety Capability Assessment - Methodology 4.2.1, Attachment B                                                                   70%
Section 4.2.2, Attachment C Nuclear Safety Capability Assessment - Fire Area - by -
(Table B-2)
Fire Area Review (Table B-3) 50%
Nuclear Safety Capability Assessment - Fire Area - by -
Section 4.3, Attachment D Non Power Operational Modes (Table F-1) 60%
Section 4.2.2, Attachment C                                                              50%
Section 4.4, Attachment E Radioactive Release (Table G-1) 90%
Fire Area Review (Table B-3)
Section 4.1.3, Attachment I Definition of Power Block and Plant 100%
Section 4.3, Attachment D           Non Power Operational Modes (Table F-1)             60%
Section 4.2.2 Existing Engineering Equivalency Evaluation Transition 30%
Section 4.4, Attachment E               Radioactive Release (Table G-1)                 90%
Section 4.2.3, Attachment K Licensing Action Transition 90%
Section 4.1.3, Attachment I             Definition of Power Block and Plant             100%
Section 4.1.2.3, Attachment L NFPA 805 Chapter 3 Requirements Not Met and Not Previously Approved by NRC 55%
Section 4.2.2           Existing Engineering Equivalency Evaluation Transition     30%
N/A Fire PRA Peer Review 100%
Section 4.2.3, Attachment K                   Licensing Action Transition                 90%
N/A Fire PRA Peer Review F&O Closure 25%
NFPA 805 Chapter 3 Requirements Not Met and Not Section 4.1.2.3, Attachment L                                                             55%
Section 4.5.2.2 Fire Risk Evaluations 0%
Previously Approved by NRC N/A                               Fire PRA Peer Review                     100%
Section 4.6 Monitoring Program 0%
N/A                         Fire PRA Peer Review F&O Closure                 25%
Section 4.7 Program Documentation, Configuration Control, and Quality Assurance 0%
Section 4.5.2.2                           Fire Risk Evaluations                     0%
Transition Report 5%  
Section 4.6                               Monitoring Program                       0%
Section 4.7         Program Documentation, Configuration Control, and Quality     0%
Assurance Transition Report                     5%


Non-conformances & Compensatory Measures
Non-conformances & Compensatory Measures
* Existing Non- conformances
* Existing Non-conformances  
  - NFPA code deviations
- NFPA code deviations  
  - NSCA cable separation issues
- NSCA cable separation issues
* Compensatory Measures:
* Compensatory Measures:  
  - Fire watches for code deviations
- Fire watches for code deviations  
  - Combination of fire watches and Alternative Compensatory Measures
- Combination of fire watches and Alternative Compensatory Measures  
  - NRC review of alternate comp measures during TFPI found program to be in conformance with RIS 2005-07
- NRC review of alternate comp measures during TFPI found program to be in conformance with RIS 2005-07  


Summary / Questions
Summary / Questions
* Additional time is needed to submit the NFPA-805 LAR
* Additional time is needed to submit the NFPA-805 LAR  
  - complete the FPRA and incorporate scope of currently planned plant modifications
- complete the FPRA and incorporate scope of currently planned plant modifications  
  - Refine model and conduct Fire Risk Evaluations
- Refine model and conduct Fire Risk Evaluations  
  - Perform conceptual design studies for any other necessary modifications
- Perform conceptual design studies for any other necessary modifications
* Propose request for 18 month extension to submit the LAR
* Propose request for 18 month extension to submit the LAR  
  - Use NFPA-805 template to document project status
- Use NFPA-805 template to document project status  
  - Submit request to NRC by July 15, 2016}}
- Submit request to NRC by July 15, 2016}}

Latest revision as of 22:12, 9 January 2025

SNC Slides for 6-21-16 Public Meeting on Hatch NFPA 805 Extension
ML16169A061
Person / Time
Site: Hatch  Southern Nuclear icon.png
Issue date: 06/20/2016
From:
Southern Nuclear Operating Co
To: Michael Orenak
Plant Licensing Branch II
Orenak M, NRR/DORL/LPLII-1, 415-3229
References
CAC MF7736, CAC MF7737
Download: ML16169A061 (10)


Text

NRC/SNC Meeting June 21, 2016 Plant Hatch NFPA 805 LAR Submittal Extension Request

Agenda

  • Meeting Purpose and Schedule Request
  • Reason for Schedule Extension

- Fire PRA

- Traditional FP Scope

  • Summary / Questions / Actions

Summary & Purpose

  • Fire PRA development and plant modifications have delayed the fire protection transition project
  • SNC intends to request an 18-month extension to the LAR submittal date

- Demonstrate progress toward transition (SECY 12-0031)

- Use NEI/Industry Template

  • Purpose

- Detail needed for extension request

- Describe content and schedule of formal submittal

- Discuss Hatch NFPA-805 Status to Date

Reasons for Schedule Change FPRA Peer Review completed April 2016

- Additional tasks remain to resolve facts and observations

- Refine FPRA model Add recent and future planned plant modifications

- Requires additional time for development and implementation

  • Degraded Grid Voltage Protection modifications Safe Shutdown Analysis re-baseline compliance analysis completed December 2015

- SSA subsequent evaluations still in progress [Potential risk for additional VFDRs]

  • Control Building HVAC heat up analysis updates - in progress Additional Activities

- FP Code Evaluations

- FP System Hydraulic Calculations

- Engineering Equivalency Evaluations

FPRA Peer Review FPRA F&O Resolution / Model Refinement Additional Fire Protection Engineering Evaluations Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr 2016 2017 Fire Risk Evaluations Transition Report Apr 25 - 29 LAR Submittal 2018 Transition Report Review Risk Reduction SNC Final Review NSCA Transition Hatch NFPA 805 Transition Schedule 18 Month

Project Status - Fire PRA

  • Satisfactory FPRA Peer Review completed in April 2016

-CDF and LERF are in E-04 range

-Additional tasks remaining

  • Facts and Observations resolution
  • Reduce CDF and LERF to meet RG 1.174 criteria for total risk via model refinement (e.g., take credit for installed FLEX, Degraded Grid Voltage Protection modifications) and planned plant modification identification
  • Perform Fire Risk Evaluations

Project Status - Traditional FP

  • Fundamental FP Program and Design Elements

- NFPA 805 Chapter 3 Requirements - review completed

- NFPA Code Compliance Evaluation - review completed

- Existing Engineering Equivalency Evaluations for adequacy -

review completed

- GL 86-10s

- Licensing Actions - no exemptions will be retained

NFPA-805 Status LAR/TR Reference Topic

% Complete N/A Safe shutdown Analysis Update (pre-requisite task) 90%

4.1, Attachment A Fundamental FP Program Elements and Minimum Design Requirements (Table B-1) 75%

4.2.1, Attachment B Nuclear Safety Capability Assessment - Methodology (Table B-2) 70%

Section 4.2.2, Attachment C Nuclear Safety Capability Assessment - Fire Area - by -

Fire Area Review (Table B-3) 50%

Section 4.3, Attachment D Non Power Operational Modes (Table F-1) 60%

Section 4.4, Attachment E Radioactive Release (Table G-1) 90%

Section 4.1.3, Attachment I Definition of Power Block and Plant 100%

Section 4.2.2 Existing Engineering Equivalency Evaluation Transition 30%

Section 4.2.3, Attachment K Licensing Action Transition 90%

Section 4.1.2.3, Attachment L NFPA 805 Chapter 3 Requirements Not Met and Not Previously Approved by NRC 55%

N/A Fire PRA Peer Review 100%

N/A Fire PRA Peer Review F&O Closure 25%

Section 4.5.2.2 Fire Risk Evaluations 0%

Section 4.6 Monitoring Program 0%

Section 4.7 Program Documentation, Configuration Control, and Quality Assurance 0%

Transition Report 5%

Non-conformances & Compensatory Measures

  • Existing Non-conformances

- NFPA code deviations

- NSCA cable separation issues

  • Compensatory Measures:

- Fire watches for code deviations

- Combination of fire watches and Alternative Compensatory Measures

- NRC review of alternate comp measures during TFPI found program to be in conformance with RIS 2005-07

Summary / Questions

- complete the FPRA and incorporate scope of currently planned plant modifications

- Refine model and conduct Fire Risk Evaluations

- Perform conceptual design studies for any other necessary modifications

  • Propose request for 18 month extension to submit the LAR

- Use NFPA-805 template to document project status

- Submit request to NRC by July 15, 2016