ML101670548: Difference between revisions
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{{#Wiki_filter:Enclosure 4 Farley Nuclear Power Plant Presentation Meeting Summary of the 6/8/2010 Meeting with NRC/SNC/FPL/SCE&G Dated June 17, 2010 Farley Nuclear Plant NRC Screening Criteria Response Mark Ajlun i SNC Nuclear Licensing Manager Dom Sutton SNC Programs Manager Ray | {{#Wiki_filter:Enclosure 4 Farley Nuclear Power Plant Presentation Meeting Summary of the 6/8/2010 Meeting with NRC/SNC/FPL/SCE&G Dated June 17, 2010 | ||
* FNP -Two 900 MWe 3 loop Westinghouse PWR Units | Farley Nuclear Plant NRC Screening Criteria Response Mark Ajlun i SNC Nuclear Licensing Manager Dom Sutton SNC Programs Manager Ray Martin FNP Technica l Services Manager John Lattner FP Principle Engineer June 8, 2010 | ||
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FNP Fire Protection o Introduction | |||
* FNP - Two 900 MWe 3 loop Westinghouse PWR Units | |||
* Committed to 10CFR 50 App R. | * Committed to 10CFR 50 App R. | ||
* The FNP fire protection program provides defense-in-depth protection: | * The FNP fire protection program provides defense-in-depth protection: | ||
Design Features | Design Features Fire Fighting Equipment Personnel Training Operating Procedures | ||
Problems docu | |||
* Based on NRC | NRC Screening Criteria Criteria Applies to Reason/Info FNP Large Number of Operator Yes* FNP is estimated to have sign ificantly less than Actions BFN but more than th e other SNC plants. | ||
Lim | Singl e Fire ca n effect more No | ||
* Fire areas/equipment relied upon for App R safe than one Unit. shutdown are not common. Shared DG's can be im pacted . DG redundancy ensures SSD. | |||
Use of Thermop lastic Cables Not Some thermoplastic used for low voltage Sign ificant* applications such as cameras or telecommun ications . Less tha n 8 % of cables installed. | |||
Problems docu mentin g cable No No significant issues with documenting cab le routing routing. | |||
Ana lysis Credits Self Induced No SISBO not cred ited Station Blackouts Comp li cated Manua l Operato r Yes | |||
* Based on NRC criteria. Current manua l actions are Actions felt to be reasonable. Operators are trained and drilled on actions . Compensatory actions in place . | |||
Mit igation of a fire requ ires Not No electrical cross connections credited. Lim ited the use of systems f rom Sign ificant use of cross connected air systems. N2 backup to multiple units (electrical or PORV's is cred ited and is not a cross connected mechanical cross-unit t ies). system . | |||
Use of Symptom based Yes* Although decision required, event recogn it ion is not Procedu res. req uired. | |||
FNP Fire Protection Initiatives D Initiatives | FNP Fire Protection Initiatives D Initiatives | ||
* Elimination of Kaowool fire wrap by cable reroute to ensure proper cable separation was complete in 2006 | * Elimination of Kaowool fire wrap by cable reroute to ensure proper cable separation was complete in 2006 | ||
Line 30: | Line 70: | ||
* Fire PRA Model under development | * Fire PRA Model under development | ||
* Safe Shutdown Analysis Revalidation | * Safe Shutdown Analysis Revalidation | ||
* OMA Feasibility Study & Compensatory Actions FNP Fire Protection Summary o OMA along with procedures is the main reason for yes screen criteria o Conservative LOSP assumption has added OMAs o Application of NFPA 805 will significantly reduce OMAs o Thermoplastic cables used in lower voltage applications and low 0/0 o No reliance on cable wrap material proper separation exists for cables. o FNP believes that 3 of the 8 screening criteria are material.}} | * OMA Feasibility Study & Compensatory Actions | ||
FNP Fire Protection Summary o OMA along with procedures is the main reason for yes screen criteria o Conservative LOSP assumption has added OMAs o Application of NFPA 805 will significantly reduce OMAs o Thermoplastic cables used in lower voltage applications and low 0/0 o No reliance on cable wrap material proper separation exists for cables. | |||
o FNP believes that 3 of the 8 screening criteria are material.}} |
Revision as of 17:59, 13 November 2019
ML101670548 | |
Person / Time | |
---|---|
Site: | Farley ![]() |
Issue date: | 06/08/2010 |
From: | Ajluni M, Lattner J, Martin R, Sutton D Southern Nuclear Operating Co |
To: | NRC/NRR/DIRS/IRIB |
Jeremy Bowen, 415-3471 | |
Shared Package | |
ML101670555 | List: |
References | |
Download: ML101670548 (7) | |
Text
Enclosure 4 Farley Nuclear Power Plant Presentation Meeting Summary of the 6/8/2010 Meeting with NRC/SNC/FPL/SCE&G Dated June 17, 2010
Farley Nuclear Plant NRC Screening Criteria Response Mark Ajlun i SNC Nuclear Licensing Manager Dom Sutton SNC Programs Manager Ray Martin FNP Technica l Services Manager John Lattner FP Principle Engineer June 8, 2010
c 0
.-
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l...
0 C o U S- .- 01 Ul C
0 CL "'-'
U
.- .-
C Q) .-
- l C > Ul
- l Q) CO "'0 Q) "'-'
S- 0 Q) .-
CO u
.- "0 c
l...
"'-'
l...
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"'-' C LL c OJ .......
u c 0 (J) ....... U CL 01 zLL <<
0
FNP Fire Protection o Introduction
- Committed to 10CFR 50 App R.
- The FNP fire protection program provides defense-in-depth protection:
Design Features Fire Fighting Equipment Personnel Training Operating Procedures
NRC Screening Criteria Criteria Applies to Reason/Info FNP Large Number of Operator Yes* FNP is estimated to have sign ificantly less than Actions BFN but more than th e other SNC plants.
Singl e Fire ca n effect more No
- Fire areas/equipment relied upon for App R safe than one Unit. shutdown are not common. Shared DG's can be im pacted . DG redundancy ensures SSD.
Use of Thermop lastic Cables Not Some thermoplastic used for low voltage Sign ificant* applications such as cameras or telecommun ications . Less tha n 8 % of cables installed.
Problems docu mentin g cable No No significant issues with documenting cab le routing routing.
Ana lysis Credits Self Induced No SISBO not cred ited Station Blackouts Comp li cated Manua l Operato r Yes
- Based on NRC criteria. Current manua l actions are Actions felt to be reasonable. Operators are trained and drilled on actions . Compensatory actions in place .
Mit igation of a fire requ ires Not No electrical cross connections credited. Lim ited the use of systems f rom Sign ificant use of cross connected air systems. N2 backup to multiple units (electrical or PORV's is cred ited and is not a cross connected mechanical cross-unit t ies). system .
Use of Symptom based Yes* Although decision required, event recogn it ion is not Procedu res. req uired.
FNP Fire Protection Initiatives D Initiatives
- Elimination of Kaowool fire wrap by cable reroute to ensure proper cable separation was complete in 2006
- Fire PRA Model under development
- Safe Shutdown Analysis Revalidation
- OMA Feasibility Study & Compensatory Actions
FNP Fire Protection Summary o OMA along with procedures is the main reason for yes screen criteria o Conservative LOSP assumption has added OMAs o Application of NFPA 805 will significantly reduce OMAs o Thermoplastic cables used in lower voltage applications and low 0/0 o No reliance on cable wrap material proper separation exists for cables.
o FNP believes that 3 of the 8 screening criteria are material.