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MONTHYEAR0CAN061102, – Units 1 and 2, Request for Extension of Enforcement Discretion and Commitment to Submittal Dates for 10 CFR 50.48(c) License Amendment Requests2011-06-28028 June 2011
– Units 1 and 2, Request for Extension of Enforcement Discretion and Commitment to Submittal Dates for 10 CFR 50.48(c) License Amendment Requests
Project stage: Request
ML1120301932011-07-28028 July 2011
Commitment to Submit a License Amendment Request to Transition to National Fire Protection Association (NFPA) Standard 805, and Request to Extend Enforcement Discretion
Project stage: Other
2CAN031201, Unit 2: License Amendment Request to Adopt NFPA-805 Performance-Based Standard for Fire Protection for Light Water Reactor Electric Generating Plants (2001 Edition)2012-03-27027 March 2012
Unit 2: License Amendment Request to Adopt NFPA-805 Performance-Based Standard for Fire Protection for Light Water Reactor Electric Generating Plants (2001 Edition)
Project stage: Request
ML1210205162012-04-26026 April 2012
Online Reference Portal, License Amendment Request to Adopt National Fire Protection Association (NFPA) Standard 805, Performance-Based Standard for Fire Protection for LWR Generating Plants (2001 Edition)
Project stage: Other
ML1213803952012-05-25025 May 2012
Nonacceptance with Opportunity to Supplement, License Amendment Request to Adopt NFPA-805 Performance-Based Standard for Fire Protection for Light Water Reactor Electric Generating Plants (2001 Edition)
Project stage: Other
ML1214600172012-05-30030 May 2012
June 12-13, 2012, Notice of Meeting at the Plant Site in Russellville, AR to Discuss Entergy Operations, Inc.S License Amendment Request to Adopt National Fire Protection Association (NFPA) Standard 805 at Arkansas Nuclear One, Unit 2
Project stage: Meeting
ML12166A5602012-06-12012 June 2012
Licensee Presentation on June 12 & 13, 2012, Meeting License Amendment Request on NFPA 805 Adoption
Project stage: Meeting
ML12167A0212012-06-12012 June 2012
Att Proposed Update
Project stage: Other
ML12166A1002012-06-18018 June 2012
Forthcoming Meeting on 6/29/12 with Entergy Operations, Inc. to Discuss License Amendment Request to Adopt National Fire Protection Association (NFPA) Standard 805 at Arkansas Nuclear One, Unit 2
Project stage: Meeting
ML1218003102012-06-28028 June 2012
Handouts at the June 29, 2012 NFPA 805 Meeting at the Hq - Item 1, Plant Modifications and Items to Be Completed
Project stage: Meeting
ML1218003062012-06-28028 June 2012
Handouts at the June 29, 2012 NFPA 805 Meeting at the Hq - Power Point Slides
Project stage: Meeting
ML1218003122012-06-28028 June 2012
Handouts at the June 29, 2012 NFPA 805 Meeting at the Hq - Item 2, Table W-2 ANO-2 Fire Area Risk Summary
Project stage: Meeting
ML1218003192012-06-28028 June 2012
Handouts at the June 29, 2012 NFPA 805 Meeting at the Hq - Item 3
Project stage: Meeting
ML1218003412012-06-28028 June 2012
Handouts at the June 29, 2012 NFPA 805 Meeting at the Hq - Item 4
Project stage: Meeting
0CAN071201, Day Response to NRC Request for Information (RFI) Pursuant to 10 CFR 50.54(f) Regarding the Seismic Aspects of Recommendation 2.3 of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident2012-07-10010 July 2012
Day Response to NRC Request for Information (RFI) Pursuant to 10 CFR 50.54(f) Regarding the Seismic Aspects of Recommendation 2.3 of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident
Project stage: Response to RAI
ML12171A3662012-07-16016 July 2012
6/12-13/2012 Summary of Meeting at the Plant Site in Russellville, AR, to Discuss Entergy Operations, Inc.S License Amendment Request to Adopt National Fire Protection Association (NFPA) Standard 805 at Arkansas Nuclear One, Unit 2
Project stage: Meeting
2CAN081202, Request for Extension of Enforcement Discretion2012-08-14014 August 2012
Request for Extension of Enforcement Discretion
Project stage: Request
ML12208A1962012-09-0707 September 2012
Non-acceptance of Request to Adopt NFPA-805 Performance-Based Standard for Fire Protection for Light- Water Reactor Electric Generating Plants, 2001 Edition
Project stage: Acceptance Review
2012-06-12
[Table View] |
Text
Response to Item #4 The revised sensitivity analysis CDF increased from 4.27E-05/yr to 6.03E-05/yr LERF increased from 8.34E-07/yr to 1.28E-06/yr Total change:
CDF = 1.76E-5/yr LERF = 4.46E-7/yr Table 1 Comparison of LAR Table W-2 Results with Sensitivity Analysis Results Base Analysis Results (/yr)
(LAR Table W-2)
Sensitivity Results (/yr)
Difference in Results (/yr)
Area Area Description Fire Area CDF Fire Area LERF Fire Area CDF Fire Area LERF CDF LERF B-3 Fire Zones 2091-BB, 2112-BB and 2183-J (electrical penetration rooms) 4.13E-07 1.32E-08 6.68E-07 2.14E-08 2.55E-07 8.20E-09 B-4 Fire Zone 2154-E (CEDM equipment room) 3.26E-06 3.61E-08 5.63E-06 6.22E-08 2.37E-06 2.61E-08 HH Fire Zones 2063-DD, 2072-R, 2073-DD, 2096-M, 2106-R, and 2107-N (sample room, VCT room, 2B-62 room, 2B-63 room, degasifier vacuum pump room, and corridor) 2.82E-06 3.70E-08 3.11E-06 4.66E-08 2.90E-07 9.60E-09 II Fire Zone 2101-AA (north switchgear 2A-3 room) 2.90E-06 9.31E-08 4.10E-06 1.32E-07 1.20E-06 3.89E-08 JJ Fire Zone 2109-U (corridor) 2.70E-06 7.97E-08 1.06E-05 3.11E-07 7.90E-06 2.31E-07 MM Fire Zones 2099-W and 2103-V (west DC equipment room and west battery room) 3.28E-06 7.85E-08 7.36E-06 1.76E-07 4.08E-06 9.75E-08 SS Fire Zones 2097-X, 2100-Z and 2102-Y (east DC equipment room, south switchgear room and east battery room) 2.81E-06 7.43E-08 4.36E-06 1.10E-07 1.55E-06 3.57E-08
The scenarios that require further evaluation to determine whether they screen in the HGL/MCA screening or if they have additional impact upon the CDF/LERF calculations are listed in Table 2.
Table 2 Scenarios that Require Further Evaluation in Sensitivity Analysis Zone Scenario Description Area 2007-LL Base scenario AA 2014-LL Base scenario B-6 2026-Y Base scenario B-1 2033-K Base scenario NN-North 2073-DD-D 2C-115 HH 2097-X Base scenario - Severe Fire SS 2099-W Base scenario - Severe Fire MM 2108-S Base scenario TT 2109-U-D 2Y-1 JJ 2109-U-E 2Y-2 JJ 2111-T-C 2C-410 EE-U 2136-I-B 2C-330 G
2136-I-F 2B-64 G
2137-I-B 2B-61 G
2137-I-C 2C-333 G
2137-I-D 2C-181 G
2150-C Base scenario - Severe Fire G
2151-A Base scenario B-2 2153-A Base scenario B-2 2154-E-B 2C-71, 2C-70; 2C-73, 2C-72 B-4 2154-E-C 2C-80, 2C-409 B-4 2172-ZZ Base scenario B-2 2177-YY Base scenario B-2 2183-J-B 2C-384 B-3 2183-J-C 2C-183 B-3 2200-MM-AH 2C-27A, 2C-27B B-2 2200-MM-AI 2C-301 B-2 2200-MM-BA 2B-25 B-2
Table 2 Scenarios that Require Further Evaluation in Sensitivity Analysis Zone Scenario Description Area 2200-MM-BP Service Air Compressor 2C-3 B-2 2200-MM-C 2A-1 B-2 2200-MM-D 2A-2 B-2 2200-MM-F 2B-22 B-2 2200-MM-G 2B-32 B-2 2200-MM-H 2B-42 B-2 2200-MM-K 2H-1, 2H-2 B-2 2200-MM-L 2P-2A, 2P-2B, 2P-2C, 2P-2D B-2 2200-MM-Q 2B-26 B-2 2200-MM-R 2B-35 B-2 2200-MM-S 2X-23, 2B-3, 2X-24, 2B-4 B-2 2200-MM-T 2B-11 B-2 2200-MM-U 2B-12 B-2 2200-MM-V 2B-21 B-2 2201-B Base scenario B-2 2223-KK Base scenario B-2 2225-WW Base scenario B-2 2231-TT Base scenario B-2 2242-OO Base scenario B-2 2243-NN Base scenario B-2
