ML19323F832

LER 80-045/01T-0:on 800509,util Discovered That Spent Fuel Pool Gates Were Not Designed in Compliance W/Seismic Category I Requirements.Caused by Failure to Consider Gates in Seismic Analysis.Design Mod Underway

ML19323F832
Person / Time
Site:	Sequoyah
Issue date:	05/22/1980
From:	Maehr S TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19323F827	List: ML19323F824 ML19323F832
References
LER-80-045-01T, LER-80-45-1T, NUDOCS 8005290516
Download: ML19323F832 (2)

Text

__

\ .

4 u.! #4ucu Ar. r.tcw..s tc w c0vvistro*

riceout c 17 773 Exil: BIT ,'

UCCNC.EC EVE"I l'EPetiT cm. . . . - v.: 1; .i . [ t 1 I .4 Q) u t t .. .c :n. r e, n rt stt r.ccizinto : ars"c e.-'

Q.

!T . .

21 ! S ! M (P_]-1

. , . . . . .a n.IC! 0 l 0 i -! O I 010 ' :0- ' 01-- !' O .

- ~ f 'm 41 ll l !1 l 1 F.7 .:

, . J. .. J a."+ ' I ,, I G) r.r

!.- .I..

. eVr'o f 0. i. A' .I. .s._ d.. 0. f .Q',t. .: t'.',_.l.7 . .' Q! cz..'a.. .l a__'...c Jr. ' 9..).01

.s 5 .2J. 2u

.S I Ol3 R. '8] - .

s .

t 1 v. - i t s: s .m . m . ~ . * . r e .. .: t-L'.CI ', Lspetit ni.31 pool caten arc cet deiler.ed or construe.ed te sciamic categorv gL.a L' requiremente. Peg. Guide 1,12 req :iras the crent fuel s tora.,:e. facili:v_. ,

[ rig [.b. e sc.iami.c cat.c_s..erv

_ . . . _ . . .. -__ 1. . _. _ N.e.gl..i.gible consequences since no s nent fuel is E1_j [yresently betn;: stored in the_ pool. _

EIE.1 L. ____.._.. ..__... ._ _.._. .-

Itid L_ - _. . _ _ . . . . _ _ _ . . . _ . _ _ _ _. _ _ . . _ . . _

EIDj._______...

...,- c... <,c, .. . ...

n., ,

.4

. a . c e. ,.t E, E), ,l_nBr J. G [n.R. !Ajg .

..x

r ixi uc. . a x! O L..x! .a . ,

8 Lt.i F

~-

. 3 p v t *.r t e s. .s . .e f . ....  ;;;i t,et

• 3 O/,1,,21[810]

t.v i

[_.J

[0] 4 i SI u Z. i L0]_1_!.

u .

Wv 1--J

=

o Lo]

..m r .v s., ... < . . . . .. ,

r .. .n ,.

., . + . ,

..., va.. s;..

. u .. s. . v. e. . . .. . . .s s s a  :-

If lf,'If .I O lZ_l.[/

J .' J.

i.Z.h ;

de Lo ! c o U.:i l ',

LIJG 41 L2:j@

d' L.LjG

)

LLl.9 I 9I9_

44 2 c^vst r,t 3.ir nce. Av. w.. . > we. e.c :

e@

.. 1[1

' allure to censider spent fuel pcol gates in the seismic analysis.

Y'T' 1 L Andy21s 15_.or.ing_<iene._r a deter- f" t h n v' f " r # -v_ce.e<' r i

• r c=*4efr I,i 1 [scisnic category I requiremes.ts. _

L'_; _J l W '.

s .

. . . , c . . -~-e .o

. r ;. e ' - ,e.4.' * .. . A ra *; i. V * .L / C'$* 2'.'L'1Y M ' .' !?9 C,

[-~i i la .J Bi'. 10 lt 0 i Ci '..?,! m ._N / A i iA O' s ,

Desien Reviet.- j y . . 4 4., i' p t.v.s,.3 A. f. v. ! # *8

. a-

.. ..c...... .. . .c . - .

m e.= w  ;

[TF",.! .,[ z_j c, 'z m. 1 n/A --

I t n/A

, ,, u o ~

. ... _ .. .(

l . i , ,i .[.0..i ._O.!..O._ ,Pbj.i.. .f.. '.l ' _. . N.

.,/ A _]

... ..c....... ,.

.....,n. m . .. r -

. . . . .)

it i I Lqj__oLO JG. ,i _ N/A o e s n s,. :,.s< .. .... - . . , , . . . . . . . f;. )-

8, [J.f.I.,l._ M/A _I .

n -

. . . . , .i, m:.- . g .. r 9, Lgj'n,.1 N/A I III'!!!!I n > .. se s<

e.. v. er n....i. m . .

Seeye Maehr r..o.m 615-R42-M 0 9 80 052 90MA

i

* Tennessee Valley Authority

., Sequoyah Nucient Plent -

LER SUPPLEMENTAL INFORMATION i

SQRO-50-327/ 8045 rechnical Specification Involved 6.9.1.12.1 Reported Under Technical Specification 6.9.1.12.1 I

Date of Occurrence: 5/9/E0 Tine of Cecurrence: 1743 COST L* nit 1 l Identification .md Dese.ription cf Occurrence:

The spent fuel poel gatea cre not designed or cenctructed to sel.:cie category I requirements ao rcquired by Rcg. Guide 1.12. -

f Canditiens Prior tc Occurrence:

Unit 1 in !! ode 4 belcu 350 F during systen hectup.

Action 0;cc!.ficd in the Technical Specificatien Surveillance Requirencnts due to inoperable couipment.

N/A t

i Apparent Cause of Occurrenec:

i i

! Overlooked in the seismic analysis.

Analysis of Occurrence:

No danger to public health and safety.

Corrective Action:

The Mechanical angineering Branch la in the process of a design codification i to correct the deficiency.

Failure Data:

N/A i

l

• ~

.. .- - -- _ _ - - - . - -- . .: :. - :, v -