ML061440422
| ML061440422 | |
| Person / Time | |
|---|---|
| Site: | Harris  |
| Issue date: | 04/25/2006 |
| From: | Progress Energy Carolinas |
| To: | Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML061440410 | List: |
| References | |
| HNP-06-067 FAQ 06-0003 | |
| Download: ML061440422 (5) | |
Text
Attachment 4 to SERIAL: HNP-06-067 SHEARON HARRIS NUCLEAR POWER PLANT, UNIT NO. 1 DOCKET NO. 50-400/LICENSE NO. NPF-63 FREQUENTLY ASKED QUESTIONS (FAQS), REQUESTING ADDITIONAL GUIDANCE OR CLARIFICATION REGARDING TRANSITION TO NFPA-805"PERFORMANCE BASED STANDARD FOR FIRE PROTECTION FOR LIGHT WATER REACTOR ELECTRIC GENERATING PLANTS" NFPA-805 Transition Pilot Plant FAQ 06-0003 Page A4-1 of 5 NFFA-805 Transition Pilot Plant Frequenly Asked Questions (temp we)Pantm, sNucear Plant (ANP M FAQ# 06 1 03 Submintta Dwe: 04-25406 Licensee Contact: J.ffErt..an Tole/email 919-544,368.1 NRC Contc: _________
Tl/ekal_____
Intepretive Odance? Ye/ No ProposedNew.
Guldandenovt curetly in NEI 0.4-M2? No needingint eprttio( de s6cin, pagraph number, and fine nu*aer s WHOicale)Cikcunistae reurig idaminc prta~tion ornew gidance: 04wg~etenJ o'p tiIyga~ t~nabml tha "Areater1w mb Inaw the ekwqne Dea ontendous points if licensee-and NRC have not rached agreement:
NA propbsed RePolution 4 FAQ and bss for tho proposal: Ift.
proposed mwording of guidance for inclusion in next revion.Asfoltows; 2of5 Appendix I cmntolns an. example of a screninig-procss.
Th sre = ing prooCss is divided into assessing if the Ohange is ttivial'(Sections IA. 2.a, 3.4) and pufourming
&* rsk cre to Vwcton 4.0. The risk screen identifies ard documentitle fhotor tha contribtue to thexbik associatedý wihthe change. In' generAl these Aitomsincludechne afrqnyofl eseais which are ffektd by. the chage b~ngiueo xetdsrs)dt ctincpbltd supresio epabfy4ad*
post-ir oapabilIt ofplant systems to.prevnut dAmge tP the core.Thejjmjpact of the plant change. on ech of these fictors can be tvahtated (eiter qualitativelyor Iqeanownriyy) and catnorizod as, "no" 1'minhimal Impact or "N I thin Jnintsimal'itpacL The Dlugeof thechaogewud enbE aiesee todhookeaogtet~e ctgegories A licensee maynrfer to their WEEE,l t ir poe'o~W or .e d :wet to unmpact. The icnwoeholddcme 0h aisfrth 0chso. .Eor those chanM that do~not meet The Screenig criteria, a:n=r JealdRs ~autos required.than One oftle-.abovo fhct*otsor dud reutm otnncueInijomc ar osetihan one of the Of! Winetedt C detection ea$-ability.
4i) SuMressinSl~
pailty ard F) eabobilcai bi~vf issessmerits of-te more*Wdetioquantiatve variety.Assoitd wit toe &Wigse. pedn io¶tentr dmaiueoibdces.
coutiderWo soldb e kM nt ndtrikh risk oetocontftedcra.
13/4 imk Considering the proposed change, answer the-following question&
The nature of thechaugc should enable you to choose among di three catego*iL Refer to the HMK~.x pplan-speifc fire PRA cc* other 4ocumen to dotaxnIie
~ ~ ~ ol aeaOwb "iimal or ateathan.mdini.ma ." iip Docurnentihe badisfo ecoacIi*IQU.-
The potcoia fprcnmw* cause effects oft the hang?0,QE Nolimpact ol 0 Mwimalfoipact b-. ific!theprooS4;Whgt J~ata the MAGNlTDff1EE ECE$Rpfrn fmr wcen'ros ysage o0 0 Mhfinimalmpa 5.. Do r l,*c f mp r~g e ktmpacý lt thebE -C&hW CTAPABI for any fire -Scenarios
- d. D)oessteoosdcineIp the SUPPRESSM5N AP=BTfmfr anly ftir scenaios affected fyte 4isne?'0 0 NXolnpact o 0 Ma~pc Lq CxI5
- c. Does the proposed clanxge UWpat the POST-FIRE CAPABILITY OF PLANT7 SYSTEMS TO PREVENTr CORE AMAGE (includig
ýfie tafcted 6~ma actions)"dm*in mny mnode of oiperation bor dny fire sceautios, affete~d by the chnge.?o 0 NoImpact o 9t mwluawup~o El Te, itdetaIled quazitWttVc risk eval~uatisn qut=Aed No~~ ~~~ wCsre thtdal eraeikghaud&bentwadduw n trView ftnta