ML20062H580
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l UNITED STATES OF AMERICA
';UCLEAR REGULATORY COMMISSION BEFORE THE ATOMIC SAFET? AND LICENSING BOARD In the Matter of S
S HOUSTON LIGHTING a POWER S
COMPANY S
Cocket No. 50-466 5
(Allens Creek Nuclear S
Generating Stati_n, Unit S
No. 1)
S l.
Material Facts As To Which There Is No Genuine Issue To Be Heard (1)
The NRC Staff, in NUREG-0578, has recom. mended that all reactors have the capability to reach the cold a
shutdown conditice (below 212 F at atmospheric pressure) within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> ifter the complete loss of safety function.
(Affidavit, p.
1;.
(2)
The maximum decay heat load after reactor shut-down is calculated by the 1971 American Nuclear Society formula as required by 10 CFR Part 30, Appendix K.
Based l
upon this decay heat load, General Electric has calculated that the initial phase of removing decay heat, i.e.
dumping 1
steam frca the reactor vessel to the main condensor, will take two nours to cool the reactor to 344 F.
The reactor is held at this temperature for two hours while the Residual Heat Removal (R3R) system is flushed with reactor grade 1
l M
e 0 0819 0 ga4
water.
At that time, the RHR system is placed in opera-tion, and General Electric has calculated that the reactor can be brought to cold shutdown (212 F) within a total period of seven hours.
(Affidavit, p.
3).
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80-8 55 COSTS LAP / COMP Doherty Contention No. 38B/.
PAlO BY PLF. DEF
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Cold Shutdown in 24 Hours
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I'c like to start w i t.-
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i your :ententice on cold s h u t d o.a n i n 2.' hcurs.
a belleve that's your n u:3 b e r JoF.
5 A.
Yes.
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! uelleve I c h e c.< e c the FT's ard ' c o n e; no j
l li s c i.2 tenent thet the reacter ecul ce t ro ug h t to
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cold snutdown in 24 hcurs.
l' O.
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-here ic Jet a te as to excetly ' ha t it ic in t e r.m s of a regulatory guida, i
For rurrosas of this contention, what i-e are cu.. o i n. to contend it is?
5 I.
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cinc to try tc tind out how t !.e y A
settler! t t: a t preule 7
to you ::a v e any noughts of your o s. n on i
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- hat hcut load nus. te
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i s.; i :. a t e d in ceder to being tne reactor :: a t
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- cle shutdown condition?
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I do not know that at tnis point.
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'. h a t heat load ic the P. F n sencor for
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ACNCS ca;aole oC re c c : i n o, ?
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If you don't know the heat icsd l
23 necessary :: bring the tr ac tor to the c o r-d i t i o n l
4 s.i. u. 4 c u n,
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I the condition you allege is t r i. e if the /. C.. C 3 !s incapacle of being c r e eg h t to cold shutdown in 2/
i i
l, hours?
l I
/
A.
I oni' know taa: /. 0 %-
has net : lei ~ed to be able to do this.
I ce not knew why it has e
no t been clained.
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'ho nas not c l e i n e. d that i t 009' : --
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It'C nOE C t a O C ".: in the 7 3 I e t 'y I ViluntioD f
b 0
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- ave you recJ na M t. T sections I
. _ _,. c i. ts _
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.5a: arc the design carabilities of the i
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-)ou ce ine.. a t
- v. o u
.e a n by tnat?
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' o u,. a 15 I -hink the ;: e r t i n e n t topic under i
I l 'i c i b c u.s c i o n is the ability to reject ne certain I
'7 neat load and bring the reactor f e c., an orcrat!nc 4,
1?
condi:!on to colc shutdown.
t, I C-A.
Fould you restate yner ques:icn?
6, Yes.
!'a v e yet read :ne
"?/.a se::!cn I s.
.HR and 1:s d e s i: n cacai,ilitt
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i 21 r e - a r d i n :. the i
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A.
I'n not certain I've read tha: One.
j C.
i.a v e ycu read the P C A.' section 7avin'
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aring A C.N C H f r o r-
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You're uncertain whether er no t you've 4
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r e a :' :"one P ".', P nection?
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- ave ycu f o '.: n d a n *. e v ! ? +; n e c in the F..* '
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I relative to your centention?
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cce can;crn in this c o n t -3 n t i o n ?
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u*^e a: c u l c r * *. he au'iiciene.
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' r< a t in i n c u f. i c i e n t aunut :!.e Fr?-'
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It could contain anything it '- ante? 03 l
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far as I snow.
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nd ' hat is th r
- b. s i s of your conten.icn?
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is.
"." h t-Lacis is what I've sta.ed n r e v i c u s i v.
1, C.
'culd y0u s tJ 'y e d ; it fol 007 4
- t. e r e i s nc ;, o s i t i v e s ta t er en t
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- can t: e brougnt down i n O'
hours fecn
!. e 22 literature I've scen.
1 23 C.
But you've not read :.i e relevant F C,'. 7 l,
24 l
cections hich s ta :cd there 1: is not auffician
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25
'he P C- /s.7 w i '. 1 not be sufficient.
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. ell, we're b a c.- to that c a r. e cuestian.
2 I still don't understand why it's insufficient.
9 A.
It'c n e r e l 'f an unreviewed docunent.
/
C.
..n a t review do ycu have reference to?
5 A.
Ltil, unics: I see in the PFAF that i
^
- osit!ve statenent tnat it can be b r o u c. h t down to e
a A
cold shutdown in 23 hours2.662037e-4 days <br />0.00639 hours <br />3.80291e-5 weeks <br />8.7515e-6 months <br />,
.~h i c h is the NrC's i
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c';reenent,
'v h i c h
- r e MFC a.; ces with, then I'n I
1 I
=
not satisfied.
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1, e.
!f the usc acree-t:a-A C.N C -J can be i
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i f
11
- r o u :.' t to cold churdown tr Lours, :: en that 12 alleviatee your contention?
1:
Yes.
?
I' C.
but you Go not have any indamendent s
15 reason to
'a e l i e v e that the 6 ::P systen or any 1r c ner s y s t e:i in :nu A C :i C S !: capable of ecoling 17 the reactor down in i
1:
A.
I have no information on tha t in which l
19 to cenclude that.
l 1
l
- r C.
Of what relevance i- ':UcrG nc-~
to thic j
ti contention?
2:
A.
I beg your pardon?
C.
Cf
.s h o t r e l e v.o n c e is NC EC-*c
- to this l
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bl 7
7 ash force P e t. o r t, "
and it is referenced in your 1
3, 3
contention.
O
/
f, 7 hank you, r.
F i <' d ] c.
I don't !..' v e a s1 col y of that c e n t. e n t i o n 'itb rc.
i 3V f
.by Ocn't you borrow this cety?
3 I
7
/.
'1 h e n i. you.
In u t' H F r - C 5 ' r, the ctatement
~
'3 f.'
r
- v. a u t !. e t thty r e c o' ', c n c 0 thet en]r' si'ut<3own ts e
's C
achicVelle in ?/ hours
.e i t ! o u t r 'J f e r e n c e to I
i 10 reactor tyle.
q O-Il
<?.
/11 r i ry h t.
I sti P e r. ' t think I 1 1; u n d c r.; t a n d then w !- a t its r e l'c v a n c e i. in thic r 12 c o n t e n t i t. ri. Is it just c r <' c o t i r e n d a t j o n ? 1/ t. 'hatever force the ihree t' i ] v Is3nnd uw 15 investijation has is r e t.o r t e <! te tbc M t b r.c - 0 5 7 9 ,m ]^ c. Iut does it (reve or t' irirove any fcct D' m"- 17 relev'nt to sch e t h e r or 'n o t /c4r'r con be b r c o n h t. I na l l' to a cold s h u t <' c w n c o n e i t i,n n in ?/ !^urL? y Jr A. It n e. k e s no stacerent a !. r: n t ,C*rf. l ? 'f ,i v e r. L i e n.i e ? l 7r t' I.c t i: rc a n
- t. c t te 7;
A. Yes. h a r ' : currect. a ?; C.
- i. e t ' L Je into your contentior' on control a
- I 22 tod ej ction.
'his 13 your nuir h e r r. e i I l 9
- /
' n o ld * <' e c ' I a i ti Pe r.e 'hbt ccn caeuc a l, e e hk E Y e 4 [ (
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