ML082050390: Difference between revisions

From kanterella
Jump to navigation Jump to search
(Created page by program invented by StriderTol)
 
(Created page by program invented by StriderTol)
 
(One intermediate revision by the same user not shown)
Line 16: Line 16:


=Text=
=Text=
{{#Wiki_filter:Non-Power Operational Mode Review Status Bob Rhodes May 31, 2007 HNP Pilot MeetingMay 30 -June 1, 2007 Raleigh, NC ShirelleAllen,CES/FP Harris OconeePilotObservationMeeting April15,2008Charlotte,NC HarrisNuclearPlant(HNP)NFPA805Transition FireSafetyAnalysis(FSA)Update Progress Energy FSA Status - To date: 2 nd round change evaluation team meetings performed to discuss variances and resolve strategy for each
{{#Wiki_filter:Harris Nuclear Plant (HNP)
NFPA 805 Transition Non-Power   Operational Fire Safety    Analysis (FSA)          ModeUpdate Review Status HNP Pilot Meeting Shirelle    Allen, CES/FP May 30 - June 1, 2007 Raleigh, NC Harris Oconee Pilot Observation Meeting April 15, 2008 Charlotte, NC Bob Rhodes May 31, 2007


fire area transitioned with performance-
Progress Energy FSA O Status -
Z To date: 2nd round change evaluation team meetings performed to discuss variances and resolve strategy for each fire area transitioned with performance-based approach (approximately 16 fire areas)
Z In Progress: strategy finalization, calculation preparation and design verification, final list of proposed plant modifications


based approach (approximately 16 fire
Progress Energy FSA O


areas) In Progress: strategy finalization, calculation preparation and design
==Purpose:==
Demonstrate achievement of nuclear safety and radioactive release performance criteria of NFPA 805 as required by 10CFR50.48(c)
O Methodology: FSA is Progress Energys design basis document as described in NFPA 805:2.7.1.2 Z Section 3.1 details steps performed to develop FSA


verification, final list of proposed plant
Progress Energy FSA O Section 3.2 Classical Fire Protection Z Fire Response Strategy Z Construction Z Ventilation Z Detection Z Automatic Suppression Z Manual Suppression


modifications Progress Energy FSA Purpose: Demonstrate achievement of nuclear safety and radioactive release performance criteria of NFPA 805 as required by 10CFR50.48(c)Methodology: FSA is Progress Energy's
Progress Energy FSA O Section 3.3 Fire Hazards Identification Z Normally expected fire hazards for the fire area Z Area specific classifications/designations O Section 3.4 NSCA Compliance Summary Z Fire area contents Z Approaches utilized to demonstrate compliance X i.e. deterministic, performance-based, combination


design basis document as described in  
Progress Energy FSA O Section 3.5 Non-Power Operational Modes Compliance Summary Z Review conducted using guidance found in NEI 04-02 and FAQ 07-0040 Z Calculation HNP-E/ELEC-0002 presents methodology, pinch points, and description of strategy developed to resolve concern Z High level results of the non-power operations evaluation presented within the FSA for the particular fire area


NFPA 805:2.7.1.2 Section 3.1 details steps performed to develop FSA Progress Energy FSA Section 3.2 Classical Fire Protection Fire Response Strategy Construction Ventilation Detection Automatic Suppression Manual Suppression Progress Energy FSA Section 3.3 Fire Hazards Identification Normally expected fire hazards for the fire area Area specific classifications/designations Section 3.4 NSCA Compliance Summary Fire area contents Approaches utilized to demonstrate
Progress Energy FSA O Section 3.6 Radioactive Release Compliance Summary Z High level results of fire area radioactive release evaluation O Section 3.7 Probabilistic Risk Assessment -
Summary of Results Z Listing of all fixed ignition sources in the area for which the calculated risk is equal to or above 1E-8/year for CDF Z If the CDF takes into account the assumption that a plant modification will be performed, a narrative description is provided with reference to Attachment 2 (i.e. incipient fire detection, installation of new automatic suppression system, etc.)


compliance i.e. deterministic, performance-based, combination Progress Energy FSA Section 3.5 Non-Power Operational Modes Compliance Summary Review conducted using guidance found in NEI 04-02 and FAQ 07-0040 Calculation HNP-E/ELEC-0002 presents
Progress Energy FSA O Section 3.8 Risk Informed, Performance-Based Evaluations Z Summary of results for the fire area Z Detailed information found in Attachment 2 - i.e. Transition Change Evaluation O Section 3.9 Defense-in-Depth Z Extent to which fire protection systems and features are provided


methodology, "pinch points", and
Progress Energy FSA O Section 3.10 Monitoring Program Input Z High-level for FSA Z Procedure provides detailed information for methodology O Section 4.0 Conclusions O Section 5.0 Attachments O Attachment 1 - NEI 04-02 Table B  Nuclear Safety Capability Assessment Summary


description of strategy developed to
Progress Energy FSA O Attachment 2 - Scenario Discussions -
Change Evaluations:
Z Change Description identifies changes for evaluation in fire area -
X A. Variances from Deterministic Separation Requirements (based on deterministic pre-transition post-fire safe shutdown analysis)
X B. Other Changes Being Evaluated (includes operator manual actions not previously approved/allowed)
X C. ERFBS (i.e. Hemyc, MT)


resolve concern High level results of the non-power
Progress Energy FSA O Scenario Descriptions and Model Results X Summary    of results on a fire scenario basis X Includes listing of all change process targets associated with ignition sources in the area in which the calculated risk is equal to or above 1E-8/year for CDF X Targets addressed were those identified as being in the Zone of Influence (ZOI) of risk significant sources X Resolution options provided on a scenario basis (i.e. incipient detection for a panel to prevent flame and radiant heat energy from igniting cables and causing a hot gas layer)


operations evaluation presented within  
Progress Energy FSA O Scenario Descriptions and Model Results Z Scenarios below 1E-8 not addressed in evaluation because any change in risk is below the RG 1.205 acceptance criteria which bound the RG 1.174 criteria Z Change process targets that are not within the ZOI are free of fire damage, and therefore, considered acceptable as-is


the FSA for the particular fire area Progress Energy FSA Section 3.6 Radioactive Release Compliance Summary High level results of fire area radioactive release evaluation Section 3.7 Probabilistic Risk Assessment -
Progress Energy FSA O Risk Evaluation Z Assessment of Change in CDF and Change in LERF O Impact of Change on Defense-in-Depth O Safety Margin Considerations O Transition Change Evaluation Conclusions
Summary of Results Listing of all fixed ignition sources in the area for which the calculated risk is equal to or above 1E-


8/year for CDF If the CDF takes into account the assumption that a plant modification will be performed, a narrative description is provided with reference to (i.e. incipient fire detection, installation of new automatic suppression system, etc.)
Progress Energy FSA Questions?}}
Progress Energy FSA Section 3.8 Risk Informed, Performance-Based Evaluations Summary of results for the fire area  Detailed information found in Attachment 2 -i.e. Transition Change Evaluation Section 3.9 Defense-in-Depth Extent to which fire protection systems
 
and features are provided Progress Energy FSA Section 3.10 Monitoring Program Input High-level for FSA Procedure provides detailed information for methodology  Section 4.0 Conclusions Section 5.0 Attachments Attachment 1 -NEI 04-02 Table B Nuclear Safety Capability Assessment Summary Progress Energy FSAAttachment 2 -Scenario Discussions -
Change Evaluations: Change Description identifies changes for evaluation in fire area - A. Variances from Deterministic Separation Requirements (based on deterministic pre-
 
transition post-fire safe shutdown analysis) B. Other Changes Being Evaluated (includes operator manual actions not previously approved/allowed) C. ERFBS (i.e. Hemyc, MT)
Progress Energy FSA Scenario Descriptions and Model Results  Summary of results on a fire scenario basis Includes listing of all change process targets associated with ignition sources in the area in which the calculated risk is equal to or above 1E-8/year for CDF Targets addressed were those identified as
 
being in the Zone of Influence (ZOI) of risk significant sources Resolution options provided on a scenario basis (i.e. incipient detection for a panel to
 
prevent flame and radiant heat energy from igniting cables and causing a hot gas layer)
Progress Energy FSA Scenario Descriptions and Model Results Scenarios below 1E-8 not addressed in evaluation because any change in risk
 
is below the RG 1.205 acceptance
 
criteria which bound the RG 1.174
 
criteria Change process targets that are not
 
within the ZOI are free of fire damage, and therefore, considered acceptable "as-is" Progress Energy FSA Risk Evaluation Assessment of Change in CDF and Change in LERF Impact of Change on Defense-in-Depth Safety Margin Considerations Transition Change Evaluation Conclusions Progress Energy FSA Questions?}}

Latest revision as of 06:49, 7 December 2019

April 2008 Observation Visit - Shearon Harris - Pilot Plant Transition to NFPA 805 - Fire Safety Analysis/Change Evaluation Update
ML082050390
Person / Time
Site: Oconee, Harris  Duke Energy icon.png
Issue date: 04/15/2008
From: Allen S
Nuclear Generation Group, Progress Energy Co
To:
NRC/NRR/ADRA/DRA/AFPB
Oudinot D, NRR/DRA, 415-4064
Shared Package
ML082050482 List:
References
Download: ML082050390 (14)
v • d • e


Text

Harris Nuclear Plant (HNP)

NFPA 805 Transition Non-Power Operational Fire Safety Analysis (FSA) ModeUpdate Review Status HNP Pilot Meeting Shirelle Allen, CES/FP May 30 - June 1, 2007 Raleigh, NC Harris Oconee Pilot Observation Meeting April 15, 2008 Charlotte, NC Bob Rhodes May 31, 2007

Progress Energy FSA O Status -

Z To date: 2nd round change evaluation team meetings performed to discuss variances and resolve strategy for each fire area transitioned with performance-based approach (approximately 16 fire areas)

Z In Progress: strategy finalization, calculation preparation and design verification, final list of proposed plant modifications

Progress Energy FSA O

Purpose:

Demonstrate achievement of nuclear safety and radioactive release performance criteria of NFPA 805 as required by 10CFR50.48(c)

O Methodology: FSA is Progress Energys design basis document as described in NFPA 805:2.7.1.2 Z Section 3.1 details steps performed to develop FSA

Progress Energy FSA O Section 3.2 Classical Fire Protection Z Fire Response Strategy Z Construction Z Ventilation Z Detection Z Automatic Suppression Z Manual Suppression

Progress Energy FSA O Section 3.3 Fire Hazards Identification Z Normally expected fire hazards for the fire area Z Area specific classifications/designations O Section 3.4 NSCA Compliance Summary Z Fire area contents Z Approaches utilized to demonstrate compliance X i.e. deterministic, performance-based, combination

Progress Energy FSA O Section 3.5 Non-Power Operational Modes Compliance Summary Z Review conducted using guidance found in NEI 04-02 and FAQ 07-0040 Z Calculation HNP-E/ELEC-0002 presents methodology, pinch points, and description of strategy developed to resolve concern Z High level results of the non-power operations evaluation presented within the FSA for the particular fire area

Progress Energy FSA O Section 3.6 Radioactive Release Compliance Summary Z High level results of fire area radioactive release evaluation O Section 3.7 Probabilistic Risk Assessment -

Summary of Results Z Listing of all fixed ignition sources in the area for which the calculated risk is equal to or above 1E-8/year for CDF Z If the CDF takes into account the assumption that a plant modification will be performed, a narrative description is provided with reference to Attachment 2 (i.e. incipient fire detection, installation of new automatic suppression system, etc.)

Progress Energy FSA O Section 3.8 Risk Informed, Performance-Based Evaluations Z Summary of results for the fire area Z Detailed information found in Attachment 2 - i.e. Transition Change Evaluation O Section 3.9 Defense-in-Depth Z Extent to which fire protection systems and features are provided

Progress Energy FSA O Section 3.10 Monitoring Program Input Z High-level for FSA Z Procedure provides detailed information for methodology O Section 4.0 Conclusions O Section 5.0 Attachments O Attachment 1 - NEI 04-02 Table B Nuclear Safety Capability Assessment Summary

Progress Energy FSA O Attachment 2 - Scenario Discussions -

Change Evaluations:

Z Change Description identifies changes for evaluation in fire area -

X A. Variances from Deterministic Separation Requirements (based on deterministic pre-transition post-fire safe shutdown analysis)

X B. Other Changes Being Evaluated (includes operator manual actions not previously approved/allowed)

X C. ERFBS (i.e. Hemyc, MT)

Progress Energy FSA O Scenario Descriptions and Model Results X Summary of results on a fire scenario basis X Includes listing of all change process targets associated with ignition sources in the area in which the calculated risk is equal to or above 1E-8/year for CDF X Targets addressed were those identified as being in the Zone of Influence (ZOI) of risk significant sources X Resolution options provided on a scenario basis (i.e. incipient detection for a panel to prevent flame and radiant heat energy from igniting cables and causing a hot gas layer)

Progress Energy FSA O Scenario Descriptions and Model Results Z Scenarios below 1E-8 not addressed in evaluation because any change in risk is below the RG 1.205 acceptance criteria which bound the RG 1.174 criteria Z Change process targets that are not within the ZOI are free of fire damage, and therefore, considered acceptable as-is

Progress Energy FSA O Risk Evaluation Z Assessment of Change in CDF and Change in LERF O Impact of Change on Defense-in-Depth O Safety Margin Considerations O Transition Change Evaluation Conclusions

Progress Energy FSA Questions?

Retrieved from "https://kanterella.com/w/index.php?title=ML082050390&oldid=2248173"