ML20237J826

From kanterella
Jump to navigation Jump to search
Forwards Addl Proposed Exception to Fsar,App A,Addressing Deletion of Airflow Capacity Test at Midpoint Filter Drop Conditions,Per 870728 Discussion.Change Consistent W/Draft Rev of ANSI N510.Changes Will Be Incorporated in FSAR Amend
ML20237J826
Person / Time
Site: Braidwood  Constellation icon.png
Issue date: 08/12/1987
From: Hunsader S
COMMONWEALTH EDISON CO.
To: Murley T
Office of Nuclear Reactor Regulation
References
3448K, NUDOCS 8708180364
Download: ML20237J826 (5)


Text

_-

Comtnonrealth Edisori s,.

Ora First Nationd Plaza, Chicago, Illinois s

7 ' Address Riply to: Post Office Box 767 v

%/ ? Chicago, Illinois 60690 0767 August'12, 1987-Mr. Thomas'E. Murley, Director Office of. Nuclear. Reactor Regulation U.S. Nuclear Regulatory Commission Washington, DC 20555

Subject:

Braidwood Station Units 1 and 2 proposed Exceptions to FSAR Appendix.A Regulatory Guides 1.52 and 1.1.40 NRC Docket Nos. 50-456 and 50-457

References:

-(a) March 25, 1987 S.C. Hunsadcr letter' to H.R. Denton (b) June 23,.1987 S.C. Hunsader letter to T.E. Murley (c) July 16,'1987 J. A. StMens letter to L.D. Butterfield 1

(

Dear Mr. Murley:

i References (a) and (b) provided proposed exc'eptions to Regulatory Guides 1.52and1.140alongwithdetaile6fj(ustificationstosupportourSubsequently, acc requests.-

Staff as presented in reference (c).

h' u

fr DuringaphonediscussionwithnebrsoftNeNRCStaffon July 28, 1987 an additional exception wan'phsented. The tdditional

, []

exception addresses the deletion of the airtibw capacity ted it mid-point I,

,4 filter drop conditions. This change is consisteht.,with a draft revision of 4

J21 make it no longer ANSI N510, that has deleted this test and as sue.Q'e assued in the near future. "

required. The revised ANSI N510 is expected to l

I

+

Also, the VO(System Mini purge Filter Un d will be tested to verify that maximum flow is witttin +10% of system design. When the flow is less than design it will take flightly longer for'persotoel to access the containment during nornA operation, however low airflow has no affect on filtration capability 4 Attachment A provides marked up revised pages 6 of 13, 12 of 13 and 13 of 13 presenting these changes for your review and inclusion in the package submitted

1 reference (a).

a

.r 1

8708100364 870012 k

-3 PDR ADOCK 05000456-t 7

P NR 6

-_t,

\\

Mr. T.E. Murlcy August 12, 1987 1

. The applicable FSAR cuanges will be made in a future FSAR amendment.

,g.

Please address any Trestions concerning this matter to this office.

Very truly yourc,

. 0f

= ' - - -

't e

S. C. Hunsader Nuclear Licensing Administrator

~

?

t

.cd J. Stevens i

Braidwood Resident Inspector

<-/

. [',

p

,. +.

,->fi,e n

s t

I

)

4 c

! n 1

7

?

,t t

lJ g-j 4

,1 V)

I 1

. v.

k 34481;
/

l l ',

?

l l

1

i e at b h - i r r oa a e

go 2

t f

e uf e n 2 5 r a ot s r i d

d F d r T 9 i t s o

d h n e

l e uf d p

oc s

n ut nt a er s s

0 e e f i 7 t y,i s a sd t t

,i n g f 4 u s s a s r ioi h ec i

5 b l

e en

$ m icd A u c ni r g is gc m u i t / r e mp p s h

. N ai wk t t i w n pF r t e r u a si h

e m e e t

r l

s ioad

(

i ic r p al of i y lo iof a p a v o y

J P n r.

s n oc y e p o a w of h f t t r l

ei p

l n

vh lor t n p u r r.

e t C e er et l

oe e u a h

m,

a m

r ud a

n d n yi t i on s g + t t

n s c ni t f n

e n r al ig n eti d l

s t d el t ot it s c n l

xF e ioe g

i n n r yt s r a t d u n t h f

a e s oo n

a k i et t a t

s c

e i, en r a

r s o e e

i fr st d r i b 5 t

4, 3 f t

at e n s oi pll a r ef l

n es w ee a2.

sl o 0

uiS mt h t s s epi J t k a l

ef

+

a n

o pf e m i t s oe i t i t s1 n nt et el F,I s ed r e p p

ai s mid r C er uh sf y mt ioo d u e

et 0

c p n i a d u o S t p mst d

y f

r at i w b

eV x

eeeh l

n T

u n i s

yl o

i i lori 4

t c

k e n e w or 3d e

E nt v r ges e a v e t r f

yd d f /t a oaii rt h

eil os e r a rl n n rd s h i l

en ooini F ph f H pi T

l t pt i T d c pcc caad sn e

a r y C

e ut

.f b es r d

3 S

e e r T

l n ed g si Y mh o l

a r it r t s r

i r p xl "t

o s

o f

s e f

w 5 i o u r e r e r 2. b l

o e c p d

s r e

pi e

t ut 1

af h s

vl s s l

t rt t

sii n

eea id s

esi t a w T eF am e

r o b d i v

f r

e r,

oi t

o y p yd t od t

t n n r

p s p ooe t

t e sf e pt n eR ni r.

i n r my t

o c

0 ocA t

c gi r s s a r e 4

i xS l

e s t

1 i EF l

laf p o

aid o el

{

n f

p s f

y s u c

t i oi i n

e a ed rf s m

^

r d oo w

n Cd n ei oi d t t isd t e

o 1

a a p rl s

' f r

N w m e

e A

t h w a

4i t

d s7 s eg o loen ev ee r

f e

vil t ab rb l

, n 4 s

f s e ou d u s o t ah f r

(>

i oG ni e

r yl l

t sl h

f dd e

h w p.

is cl sl o

ot d r t t o mn A

i s ei w.

i a n e ow n r w.

ie i ice u

ail g

s a o t

c t h t op e

m sh w/

d i

i t si s c mB b

aR vf A s t h

t r

ei e

d g t lo io U t n si esl o

n n

gt t rt a a

o R r n r s ei h

t ai p md h g

ai ed t e p n

C

i t

n d T nl t n p

h l

n k t v r n

t is ei a

t c o io a s oo o

ic iod n oi i

l o mp]s eo cF y i

c i

e y r i

ee t

a mn t s t

t f

a r s r

r Hp i

p s p s t

l k

i r oee e.i p

e d

n r ei i

b a c e r

t f r st y a t d

b t c

d a or r d

u n x

A F F at A

Bi la l

r r sl l

pl I

kE Mi l

i e o o i n,

ai C

F p cl F c cf T w seo d

d t e w n t o ea el mr b f e

n r

l s

i l

i e'

d R i a t

l r n eA w e e e d S h t m uF st l

e l

t i

l st F e c o e

e e a e

int n

n t h l

e n

o o

t ah o

7 N

N s4 n

ut N

n oed io.

i r i f d

t u v o u si t n b n d %

p e i e n0 e m cA r

i2 x

t o 1

E ist yn d d d a e,

e e y w mh c t o r g x i l

ou ec f f o

a ir r r t D eh oa A pt n C e

0 l

4 c f.

e.

b.

b.

1.i t

3 3

5 5

r 1

A c

c c

c I

\\l lll lII y

1 h

n e

o o

e e

n a u

id 1

nt t

s t

r h

o s

i s

oc s oe l

e Ut ah s s

t t e h

d i t t lag C

s ct a s

u p

e

(

l n

w es o d S s s6 y n r o

)

sh or p e

ai7 t erai i

f mcl pi g t.

rn b h - i r r oh a b

2 t

f e uf l

t i sh T 9l e uf c t

2 6 r a ot s ec mt ee f i 7 t y,ii w a T

is 0i t s

o oc s

n a t

t e u

5 bl sd t t i

.N ai een a p n g f 4 us sat or e

w n pF rt er t

u a si h

emnl e b y JP n r.

snc ef p b

loof a p a v o d

er o

i ocy ei I

ioad l

n ivh e w I

f t t

r l

r r.

S

(

i u

i t C e er et f lom.

i de nd n yi t i p s Vo m

l it / r emp t

a m

r ud f

oe w

cd A u c ni/r g ir gn et d l

son s g

ot t oe I

n s cnid h f n s u is cnli x[I e

it e

f a e s oo

, h ig a

r q e

i b5 t%.

i r st i

c e

i sgh a l p r eea2

.at en n r ee d r t n n r yt s

t sl o soi pll l

eHd a

as el t s1 n nt et a ri f

m uiS mt h t ssepi e

s M5 J t k aop n em d a t

c p n is m.ad sF ymt ioo d u t i p

ai r

O' 7 i w b

e et a

u o A s y

f rat t ori (M0&

d ssl n V s x

eeeh syi o i

il or E

nt v rt ip c a

t rf yd df / t p

es ep era rl n n rd s dc aoai ar rt h y enooini h i F ph f pt pI Tb Td lcp occaad er y e

e e

ut r

r b esr d e aoa g si y eh w

r n ed t mt sT s e l

a r i

r r

et l

r p xl wt i

o,

e f s la p

.il w

5i r el.

mseF e r 2. b lou ri o

sr e af h ec? s a es t ut 1 t rt 4

pi n p d k e

ssl sii s

v ei anl esit a w s

eer r f t e

b d et f n i b T eF a m n

t r o i

r er,

f oI s s yp yd t od oit t nf w t

r s n eR nid l

h op cs it t e sf e p {.

ooio u me e.

s p nr my t

o cgi r s s a r c t

f s omcs e

2 iocA aid o el d

l lah r aA a p s f ys u l

w xS gw d

d - p a ed rf s m 5

i EF i oio nl n y Cd n eioi r

t 1

d t t ish l

a on ob ap rl s e

d oo w

h

/

roN w m e

t t

h h nti r

IRu l

s o

+ a whig ont me loen e v ee A

s et e

s7 t ab rb evi i oa et d

,n4

/d ii h

a osil f s e ou p

/-

t cl t r yl l t sl ni i s cl sl oG e

d r looiS eown r w.

rt eo A

i s ei t

r s yF w.

iot d ko a n n

Mie iisce uad sf l

t h t op e

i shst i s i

eA a

i t si sc d g m

p v p yd V o n

n gt t rt a vf A aR ei e

oi t lnl n r d

+o 3 a

c

?

t l

n k t ee n

igob i a lo Ut n si esl r sr r h

r R r n

? B o ai p mpt aied t ep i

t n

d T nl t in e

h a

n n t

C t dl d c c

iod I

n oi mpQcF r

eo y

s n

io a s r r o

eee I

t t s d

o eya u d m i

i ps s

l edl i e l

r oe ee. ice h

n 0

t t

l f

ar s s r r

e

\\

t s s i

b ilvavt r

t f r st f

e d

a oa r d

u ra r y i

F p c loinlyat e

a l

r r sl pl T w p

d n r n e d

b or os eo ai i

c A

FF f p A

B p p p s C

F ocf k

t x

R E

C 3

r s

e e

S is t

o l

S i i d

d b

s F h t e t e( T w nt nh oea et e el mr nof l

bf e c) rl s n

i p oat n l

i e 't m

t n e o) s ee l

a r n d R crb n w i eee w

eA a oot h t m d S n e p e st i l

uF ert mb t

l e

e s o st F e lc o e

e w r ecs ea e

int n

n t or s

t h lah o

e n

o o

e( a r e t

7 N

N b

eec n

ut N

s4 t nti a ioed c

n d n rif o.

eoei t u v o i d d rh F f usi t n if t o

i en0 b nd%

p e v

r em oeoet r

cA rh t h e t o i 2 1

x pt f e.

E s of s ist y nd emt t

d d ae.

c on r3 n e

ey ar e o e

w mh ct p f n s n s

oe w o lor gxi ouec t p mop f f o a

ee mal m Tf cf a c irr rt p h eorl o eh oa A pt n c e

l b.

b.

b.

2 c n.

p

5. i 3

3 4

5 5

t 1

r A

c c

c c

c l

llll(ll'jil l{

l lI ll lllIllll j

ljjl Ill lll

a 2 ni h nt my n

.W 2 6 r a

,RE ch o

d mt io s n et et oc et s e t ni J P n r.

loee s g es wtiot i d o y

. 2 N S t

t t R e e f i 7 s n s t h n s ci n t 3 y

(

S ri s

n g f 4 neR u a si y a s i !t $

l

-: n t

gD o w u

mc y u vi t

oa%c p esl nt u oi ioad ip oso c

c e.

u y

r e rii C J t l

r r eef

.C el M A ob t

bf l

n a u pF h h c wil l

w a O

nR t pF t

t C e q

V t t n eR e mC f

d f

r a op oDt d a o) e a

m i n is er e

of e ol a e cd A eh w nh s1 ot L

t cf c r r o y P

rC p sh g o o oT t

r r a 4C f

a e mt t ul d

et b O en eE e

.t i

ai nfA t i

c e coof s n D v a t C c h a io t n n t e r

d a let

.f 0 t

)

d ih t

(

c c

eoe gt t e

s oi sl mh e n n y o w t

4l Ct uiS yl ot h et b a t t eoa a e E p i t s l

i a n a J t s or T p n aci r

l rXgoC s s p

e t n s ooa cf s e et T d u t

t

(

c s ee t i w c

V h s e

.d m cfi ie s

,l e

F r

pi r

c e sl M

x ct t t t id i bt s ni e ri a t e r

h a

n ai aif h e s E

ein l

iiu eg p m a

T -

f os ept f

r e e mc h h ein n q ri al og o ei a h ea e rh f

oi T w v f u uep s cit A t R M w T r r R f w

T u

[

f t.

)

t F

t o

s n

e 0 r e V

a n

a a

f h

o8 o v

    • a

(

h h

o t

t 9 f i e

g e

m l

g t

t l

n r r 1

t a

t o6 d - t a rg e

y i

P r i ee er r ct 7 e9 sl t rf f w

h t v b e

  1. k ai 9 nt 0 e e t i e g

p rd 1

os5 t r cl si i o 4

y a r a

w l

r e e - b eN S

e%i cy aF o l

a sh t 9 rt y%

s sQ 1

r o

p h

il a p s0 a I

)

v0 F

r5 e

L r

,k w

s e5 c eS o9 n

t V o+t yS r

s

,ot N b N t e

r o rE d o M m 5 m l

A a,

oi e

(

t i

t f n r ri a

e w F e 8 t eI a1 r C t

Y t r e st Ct 9

s p i d a c aC 0

m sd 1

y 1

ab S n : f o

eh P

oh u c s

Nil ob 0 k n mt t pt u

n eR rl A gw a3 4

iocA nU r i

eni ool s

,1 l

i xS a

or m n

t f i f r t

1 i EF T rf ei t i C

a r t

w oor 5 e a

_id g

iot d s rl n e o

e n f i h i nb r er t t A h e rn e

h I

d oo rt e a l

rd n V t t te A

l r o h sl l

ioos1 rt et n.

d t t el p e w e eaH i t - oal o%

t i si rt i5 l

b t i1 d i

,s7 i F e gl t u a o sF p a n n

a at n4 b

f o

et e

oG ni gl or rb t

l g

d ic u eorT h a n u

s o F e t

e s l

b o t r a n

ef o

,f t h oa a on et w.

a n u ui w

t n a ot s cit c5 on aR is c e oP w s o t ool s

iet 8 si es e

i m e

i l

n n c a ee n p af t 9 t t p s a

i e t t r s r on1 n p e

vf A n at l

l l

s n

a n

u t

e e e el r

ei l

oeoh.

al i o

r r o

f l

l s mn mc n a cs w e B o R r n l

L t l

T d t

ai e

f e

s w n

t gf l

ait eiexi s eiS t i

o t

n nf n c r ed l

e a

n n

C n

ct y l

n el

.n c

i

. a oi e adi o i io io is st m.i t

i MP c mgp io n a g a i

l d M c b gp ml e u ei y oi u n p eF t

oi n m f

p yC I

ri ue ph qh t

f a r - r es et l

i p

ai t

e d

ed p x i a i

ic ri r i

m o i

coni ri r yd s

e s e r

al 0 r e u n

h h i c

d h n a a e e d

l t u p a

s p0 e l

eeql r et x

A T ac md b d

i a o l

m0 1

l h

E A

S mh a C

A e1 C At l

el uh i t m e u c rA f t w mh n

i dR eA d S uF lc o i t e

e e

n n

n n

7 o

o o

s4 N

N N

no.

i d t n p e e m cA x

E e

0 l

b.

4 c f.i c.

c.

a.

5 5

5 6

tr I

A c

c c

c l

i