Fukushima

Fu ku s h im a Le s s o n s Le a rn e d Ac tio n s
Ch u c k Ca s to J a p a n Le s s o n s Le a rn e d P ro je c t Dire c to ra te Offic e o f Nu c le a r Re a c to r Re g u la tio n ANS An n u a l Me e tin g J u n e 26, 2012
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NRC Le s s o n s Le a rn e d Re vie w
• Co m m is s io n d ire c te d a m e th o d ic a l a n d s ys te m a tic re vie w o f th e s a fe ty o f U.S . fa c ilitie sin lig h t o f e ve n ts in J a p a n • Ne a r-Te rm Ta s k Fo rc e re p o rt is s u e d J u ly 12, 2011
(www.n rc .g o v)

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Ta s k Fo rc e Re c o m m e n d a tio n s
• S e is m ic a n d flo o d in g p ro te c tio n • P ro lo n g e d lo s s o f AC p o we r • Co n ta in m e n t ve n tin g • S p e n t fu e l p o o l c o o lin g • S e ve re a c c id e n t p ro c e d u re s • Em e rg e n c yp re p a re d n e s s (EP ) • Re g u la to ry fra m e wo rk fo r lo w p ro b a b ility, h ig h c3o n s e q u e n c e e ve n ts • Gre a te r a tte n tio n to d e fe n s e -in -d e p th fo r lo w p ro b a b ility e ve n ts • S e is m ic a lly in d u c e d fire s a n d flo o d s • Hyd ro g e n c o n tro l m itig a tio n in s id e b u ild in g s • EP to p ic s fo r m u ltiu n it e ve n ts a n d p rolo n g e d S BO • EP to p ic s o n d e c is io n m a kin g , ra d ia tio n m o n ito rin g , a n d p u b lic e d u c a tio n

J a p a n Le s s o n s -Le a rn e d P ro je c t Dire c to ra te
Steering Committee Director, Office of Nuclear Reactor Regulation Japan Lessons-Learned Project Directorate

Projects Management Branch

Policy and Support Branch

Technical Working Groups (LineOrganizations)
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Ca te g o riza tio n o f NTTF Re c o m m e n d a tio n s
• Th e S te e rin g Co m m itte e p rio ritize d th e re c o m m e n d a tio n s in to 3 g ro u p s :
– Tie r 1 - To b e im p le m e n te d with o u t u n n e c e s s a ry d e la y – Tie r 2 - Co u ld n o t b e in itia te d in th e n e a r te rm d u e to re s o u rc e o r c ritic a l s kill s e t lim ita tio n s – Tie r 3 -Re q u ire fu rth e r s ta ff s tu d y to s u p p o rt a re g u la to ry a c tio n

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Tie r 1 Ac tivitie s
Ord e rs
EA-12-049 – Mitig a tin g s tra te g ie s b e yo n d d e s ig n b a s is e ve n ts EA-12-050 – Ha rd e n e d ve n ts fo r Ma rk I a n d II c o n ta in m e n ts EA-12-051 – S p e n t fu e l p o o l in s tru m e n ta tio n

Re q u e s t fo r In fo rm a tio n u n d e r50.54(f)
S e is m ic a n d flo o d in g wa lkd own s S e is m ic a n d flo o d in g re e va lu a tio n s En h a n c e d EP s ta ffin g a n d c o m m u n ic a tio n s

Ru le m a kin g s
S ta tio n b la c ko u t (S BO) In te g ra tio n o f e m e rg e n c y p ro c e d u re s
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Tie r 2 Re c o m m e n d a tio n s
• S p e n t fu e l p o o l m a ke u p c a p a b ility – Ord e r lic e n s e e s to :• • • P ro vid e s a fe ty-re la te d AC e le c tric a l p o we r fo r S FP m a ke u p Re vis e TS to re q u ire o n e tra in o f o n s ite e m e rg e n c y e le c tric a l p o we r b e o p e ra b le fo r S FP m a ke u p a n d S FP in s tru m e n ta tio n wh e n e ve r irra d ia te d fu e l is in th e S FP Ha ve a n in s ta lle d m e a n s to s p ra y wa te r in to th e S FP , in c lu d in g a n e as ily a c c e s s ib le c o n n e c tio n to s u p p ly th e wa te r.

• Em e rg e n c y p re p a re d n e s s – Re q u ire lic e n s e e s to :
• • • • Ha ve g u id a n c e fo r m u ltiu n it d o s e a s s e s s m e n t c a p a b ility Ho ld tra in in g a n d e xe rc is e s fo r m u lti u n it a n d p ro lo n g e d S BO s c e n a rio s P ra c tic e th e id e n tific a tio n a n d a c q u isitio n o f o ffs ite re s o u rc e s En s u re th a t s u ffic ie n t EP e q u ip m e n t a n d fa c ilitie s e xis t to d e a l with m u ltiu n it a n d p ro lo n g e d S BO s c e n a rio s ,

• Re e va lu a tio n o f o th e r e xte rn a l h a za rd s
• Re q u e s t lic e n s e e s re e va lu a te e xte rn a l h a za rd s (o th e r th a n s e is m ic a n d flo o d in g )

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Tie r 3 Re...