ML19220B837
| ML19220B837 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 01/12/1977 |
| From: | Cleary D Office of Nuclear Reactor Regulation |
| To: | Regan W Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 7904270446 | |
| Download: ML19220B837 (3) | |
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Attached is the Craf t tes tir.'ny in relation to enntention 3 dealing uith coolic.o totters design adcquacy relatea to cart.9euckes anJ i
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Donald P. Clcary, f.cc tion Lc: tier Recio"11 I act Analysis S ction Con t i annfi t 'r.al ysis :.' ranch Divisica of Sitc Rfety and Environtental Inalysis Attachnent:
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ilis testii cr" a :1 rose 's Cont 2ntiou ^, which s tritcs :
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for C's coulino tot'rs is inaecuata to i:i ths tind '.:tc, rS. Oh ar tn' n'o i i t c the res t o f t: 7 nian t is buil t to ci chstln i. I:s a recul t, i f tais carthc, '. or corrno. ons ec Ur ar-the r ain alant does ui tl.d nd it< i t is hic'11y arebshle th'.t the c
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- al ": t ill ccnti :ue to op rat ui N t ceciin-to: :;rs u.:in nnce - chro:. - h c" clin.
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it is hirtly li:aly that state tea tcr wali t./ cri t9ria i.Oul:' he violett.J and severe eviros -dal ir" acts :culd cnsur-There-fore ro co :ra tin" liense s:.calt ts crante: until the eatire olv:t is raa'ere.. crable of withstan inc dhe
.ncicim tu c'rtin :L2 cr terr.H a or intil an naxim aucquat: ces t-ocnefit n, clysis 'mrsunat to. W is cor'!actc:! takino inta accc'mt the iacact cf possible loss of the cooline te e rs.
The contenticn ;;sunes that all plant sys td::: an? structurcs other than the cooline t?srs arn desicned to vitistand tnrthcuabs and tornado cs.
In fact, onl/ thost plant s /stms and str"cturcs uhich I
cra necc;nry to shut the plant duc.n s:Jcly and naintain it in a s;fe shutdown candition are desir;ned to withstsn.: tornddces and a IcVel of seisnic shakino called the Safe Ehat.'own rarthqu2he.
These strinicnt desiqa reauirr ::nts avainst tha effccts of na'/arti phenrcna are required by I'lC to rrotect the heal th and safety of the public.
The croiring systccs ar.d structures, includi:m the coolir.c tcuers, are not specified by uRC reculaticm s!ith recari to efiects of natural pa ;.en:nn.
Plant features not incl ied in t:1c health md sa fet:r catefory cre a. sicard 'enly to builJ i: 1 cod.:s as nay be reouir.-]
by sta ta and lccal rcpla ticas. The cc u con iiticns coulJ. :is t for any al t: rna tive cerm' source alt.at at % s; m site.
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