ML20084A511

AO 75-13:on 750815,approx 12,000 Gallons of Refueling Water Storage Tank Water Ran Into Sump B Causing Containment Basement Floor to Be Flooded & Sump a to Flood.Caused by Personnel Error

ML20084A511
Person / Time
Site:	Ginna
Issue date:	08/15/1975
From:	Platt C ROCHESTER GAS & ELECTRIC CORP.
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
AO-75-13, NUDOCS 8304050216
Download: ML20084A511 (2)

Text

r . -

V .

- . t

, 1l

, y - ,.,y g.n:ur b . '. **- -- ~ y' '

. . , / . . . c tv 4,i a

. l- l

.y V e/ .. ~ . t

• t- ...

.s ,f

• - .a

. . , g .

, l

. . . . . . . . ... . . . - - . . . . . . ,s a . .u,a

- , .' .' ., . 'g<

, , _ , , . . . . . . . . .  : . .s-- . .

^

'. . .t,;;,,bi . .. _ sti!EiAs At.'O E.LE65ILT5GbMlO.M

• U @'.GWQW*Mm. dY'TM

,,. . . ; , f.

sas.avoo .._. .

t

. .- .. _- ..-i -

-- p h.o-o .'os.,.

~

3 ,g-. y. . _ . - - - . -- - ~ _ - - _ _ _ _ _'- - . -,

. _- ,-3 .g:m=:-

q*.ar. e- A a , . As s s m . . . /

_g

.,l

-- _ . . .s

. . . . . - - . = = - . .--_ .-. -

t f !.... . ,L r,._ . . . . . . . ------- m - "' J. . - --':-~.. . .. !

> . . . 1. . :.J:.r V :DILLory .cL =1c Ina ..~. u

......4'....l,.'.'w-.* _

"':4W- -

~----

C.a L<..s b..s Ls. . - -- -<

-+v- ,~ q:.5.:,.'a

.:.,- .m .  ; .-- s

, a __ ... m = _ _ _-- -

r.w

,... .f;#._ . - . . . . . - ..,- -- ....-.... _ A ,. ;;:.,;

s. .,4.

. a.. l.s - - . .. n. ,.e.-. .

. .e 19W' .

'l

.. -. KI.G.,oEPIu_118.--Ec=IFW"_.'

.z..m__________.

......t,

.- -^ a a.

- - . . . r$u- %/*est {'

.I--._. CeheW  % '. #7%13t't:T..rsoanel error shich cauld.pravent._s ..'... ..

• 3 . . ~::t of t*m frutic-m1 rego,_irements of sys - 1 [,

.

.W.t. g_t' L_iuliiiln.dth4.c.C,,. . .

n.s. .e u_ .. .. - . .. . u.r.s . rdquarni,.,t_.o-copo-4 .. . c u aAnn yred/in g e_S..,_ _

, _ w. .,, .<, w ,. s - __

. . - - ..-. .. .. ~. ..-. . . ..

M Mr WJte111y: - - - . . .

_ . _ - a u,  !

g __. . _ _ . .. . -._..:. - _ - - - .

,IhIkM6 Y:enfits L-f pane ca11 to 1:r.' Paul Kc11ca::: on August 15,-1975 ~, ... . *m._)lE

- r ena eTurther-phone 11-Eso ars slaea trenner eg.your em -- m - - day. .. . ~ _ ; 1.: _. a .

ro. report end discuse_A*.cor:4I'TicsErtensaIG5i13 et-4;tmaatatig.~. . . . . . _ . _ _ ..-'J.-M=-1.. 5 -- {

= _.

,,,,,.; m n .-v m := - .;- --

---Jose;Fefo.* 1400...on Friday,-Aup-a - 15 d975. .- ~smat vce:c.op=w mi =9m - __.=21--'--=

. 1

, ui-~d.COMcc4J sf~Ec~-31et:1c3 Proce@n-h TT 2.3;-* Magnards Valva oparttion;;*- ~~~i '

~

'it:25.startir.3,,instructie 6,.5.14egsc.o._10'af 9 M n-~m.prfcedurei

__._uret'% J.316_e6.r'acson._in khi.iimetrimeci6m Vehi Yie:ch rrr. rpi;;p men.m -

Y'sn.Z-'~w. -~ ---' ..i'l

__ p , y 1 u gia.... - - - -

- - - ;; -_m ,

_ __  : .- . . 5; u...

.. __AMt!L 'close scrissis ~(aseire. to" is maurpamp); l' i _. ,...n .m_CE . .:.- -.._-c--

2; m..h.

......._.._.__. ..ym T. . _.

- - - . . ap== mv.ason-taesire to Ir_. mum. y=d_.u. - _.D -- - .- -

>. 1

~ ~

close my-s50s (necire. to is una pamp) - - - - - -

n- .

c i ,- .. -- 20 pee.ne.v-asta (a. eire. t _la man pas,) .. .

m .

, .. .r .

.. sefore.actually operating the switch to close 3cV-851B, he placed his in-Etials in the space provided on the procedure alongside this operation. Ha ,

l them noticed that it was time for him' to get the 1.'+001er generation readings ,

j and be -tarily turned and asked the Head control Operator to get the resd- N sings:fpr hians...He turned around_ to.contiane.the procedure and he saw that the most s.tep after .the last vstep,that ..

s- --- be in.i.tia, led,.wa.s. to.op l.ev-85,05. Be had _

, 5, . . _.-.;_,.,, -,

..-.-,s. . ...

w., ... . ,  ;.

t...,. .

s ,

? . . i a?

, . . A- -

t ib bgs -

o 8304050216 750815 PDR ADOCK 05000244 '

S PDR l

.~

l .

a --

- ~

, j

~

a

, g m 2

serust Occurrance D5-13 - . . . e. .

le 2 , ,,

. \ . .

never' closed M)V-051Bs so den. he operated 'the switch to open HOV-850 Die path was open fro: the Refueling Water Storage: T.ank to contaitscent Sung B.

-Shortly after this operation the hir.h level alarm in Su ap a sounded in the control roo::r followed shortly afterwards by a. hir,h level alarm in Sac:p A. ,

By the time the operator realized det. had happened and could. cat 137-851B

• closed, approxir.stely 12,00.3 callons of Ecfuleing Water Storage Tank water-had run into $sc p U, overflowed-oute the contalmuent basement floor, and '

drained through the floor drains ? to Step A. De approximate tima. that a  ;-

conta4==nt integrity was violated was 3 =f antes. '

1. ~

He PORC saat at 1450, reviewed t'he occurrence and made the following. .

r=e - nd=tions:

(a) Make ma inspecticst of contain==nt-(b) Reprimand. the control room operator ,

(c) Have the Mcmith. Physica personnel:take a particulata sample in the .

basement of cotatain= ant '

4 (d) Fump the water from Sump B and inapect the Stamp B area for any debria and also inspect the Reactor Coolant Drain Tank which. is located in Sag B.

An inspection wIs made of containment- at 1530. no- only evidence of the water was several. small puddles of water .bera and thers on. the floor, Sump B full oE water, and an indication. in several-places that approrfmately 1" of water had been on the basem==c. floor.

l Me plant continued operation at 100% power all during tha occurrence and mer operating probleme have been. encountered since the occurrence.

, ,gy .

I Charles E. Platt

. . Superintendent

( ,

) ect, G, J. Swarhtout, RG&E Corp -, - . ,

,- i

L. . D. White, Jr. RC&E Corp. * *

, J. F. Sweet, RC&R Corp , .

-H B. A Snow,.RG&E Corp. .

e. ,

i- . i - . - -

g , . W ', .9*

s e ,

8 6

. \ .

' { i .

4-1 1 - . . . i . . , .

, . i

? * -

• l t , ,

e

-. ; ,,

• j

-+-r. ,

. . s

- L - e . - -- - -

~

y