ML19317E053

Notifies That Facility Low Pressure Svc Water Pump Sys Piping Arrangement Acceptable in Accomplishing Cold Shutdown for All Three Units in Case of Fire

ML19317E053
Person / Time
Site:	Oconee
Issue date:	10/05/1978
From:	Reid R Office of Nuclear Reactor Regulation
To:	Parker W DUKE POWER CO.
References
NUDOCS 7912110827
Download: ML19317E053 (3)

Text

,

I

'E

~

4

- h f.c

.DISTRIBUTIO[

. Docket (5 ACRS.(16)

NRC' PDR 3 -

File LPDR (37 '

RFerguson S

-ORB #14 Rdg HGeorge

.h

. Docket Nos.'-50-269 5

WS

'VStello JKnight' 50-270 BGrimes Glainas rand'50-287; j

TJCarter T.

OELD

~

-01&E~(5)

.RReid T

. Mr/ William 0. - Parker, Jr..

.MFairtile Vice. President -. Steam Production RIngram j

. Duke Power Company.

DEisenhut 1

P. O. Box 2178

. TERA

[

l 422. South Church Street JRBuchanan i

Charlotte North Carolina 28242 f

+-

J

Dear Mr.! Parker:

1

. i, 1

By letter dated August 11,1978, we issued a license amendaent for the i

Oconee Nuclear Station relating to the' completion of facility modifi-j cations for fire protection. Our Safety Evaluation, supporting this

]

action. in Table 3.1.: Item 3.1.17 Interim Measures, states that spare

- dedicated cables' will be provided for use with the low pressure. injection pumps, low pressure service water-(LPSW) pumps and the high pressure

. injection pumps. - Your letter of June 19. 1978, regarding cold shutdown, had previously infomed us that dedicated cables will be supplied for the j

~

f

~

' LPI and HPI pumps but that the low pressure service pumps are separated such that a single fire Would not affect all pumps.- You stated that the piping for the pumps 'is interconnected so pumps can supply water to any of the three Oconee units to bring them from a hot to cold shutdown

"[

condition. Our review has found that the LPSW system piping arrangement L is acceptable in ~tems of accomplishing cold shutdown and that there is ino requirement for spare dedicated cables for the notors of the LPSW pumps. OThisiletter supplemnts' our August 11. 1978 Safety Evaluation-

-l and thereby deletes the requirement to provide spare dedicated cables 1

1 for the LPSW: system pump. motors.-

i 3

Sincerely.

7 J

Y f

4 -

b

^

Robert W. Reid. Chief ar 4

iql/

-Operating Reactors Branch f4 Division of Operating Reactors

' cc:1 see;next page 7,_

• SEE PREVIOUS. YELLOW FOR CONCURRENCE I ((

j,, y iORBf4L

~

PSYB L 0J1Bf4f d-g,,,,,,,,,, p *MFairtile:ar <*Glainas 4W

~

I~

,,;,,y 9/28/78-9/28/78 10/ [ /78~

t wac;romu n.

uncu _ono.

• u...'.o ni..

...r.. o,,,a...

-1

.j

'w.

DISTRIBUTION Docket File.(3)

RFerguson NRC PDR (3)

HGeorge j

L l'DR- (3)

JKnight

~

ORi#4-Rdg Glainas VStello

.Dodkets Nos.:~ 50-269_

BGrimes 50-270 TJCarter and

.50-287

, ___... Attorney, OELD 01&E-(5)

RP,eid i

MFairtile RIngram Mr. William 0.- Parker, Jr.

.+-OEisenhut Vice President. Steam Product.fon..... _.,, TERA.- DSB~ -

Duke Power Cog any

_....,....JRBuchanan i

P. 0. Box 2178 ACRS (16) 3422 South shurch Street

- Sray file -

Charlotte, North Carolina '29242.

t f

Dear Mr. Parker:

By letter dated August 11, 1978,.we.jssued a. license amendnent for the s

1

- Oconee Nuclear Station relating ~to the, completion.of facility modiff-1 cations' for fire protection.,.0pr. Safety Evaluation, supporting this action,-in Table 3.1, Item 3.:.17 Interim Measures, states. that spare.

dedicated cables will be prov#ed,for,.yse with the low pressure injection.

t pugs.: low pressunt service water.pupps and,the high pressure. infection..

J Your. letter of June 19. 3978,.regarding cold shutdown,.had pre-pisnps.

viously infomed us thit dedipated cables.will be supplied.for.the LPI 1

and HPI pinps but that the 19w. pressure. service pumps are separated such that a single fire would not effect.all. pumps. _ You stated that the j

piping for the pumps is intergonnected so ppgps can supply water to any of the three Oconee units to. bring them.from a hot.to cold shutdownf i

Our review has foynd.that the LPSW system piping. arrangement condition.

is acceptable in terms of accgglishing cold. shutdown and that there is no requirement for spare dedigated cables for the notors of_the LPSW,,,

Therefore, amend Item.3.1 17 of, Table _3.1 on Page 4. of our

' pumps.

. August 11,1978_ Safety Evaluation to read:

" Spare dedicated cables will-

'be provided for use with the. low pressure injection pumps and the high.

L pressure injection pumps (4.10)." In addition.. amend Paragraph 54.10 on...

Page 4-11 by deleting (2) in,3ts. entirety.and, renumbering 13).as. (2)..

Sincerely.

i l~

~

Robert W. Reid, Chief '

Operating Reactors Branch f4 _..

Division of Operating Reactort..._ _

t-l[

cc:ESee'nextpage j7 W Q%

N 8 _._

I

,,,,,'OR81/4IDDR CQBjQOR C-g &jDOR l

8 MFairtile:rf Gldinas-

• Rfe V s.

..... w E

9/2.@ 78

/$78

/ /78 L

• u. = aov==== a at esieaviam orric => i =>. - >.==4

f ( :Nac romu yes o.7si NacM c2eo

~.

y-

[-

s, w,

~

J bukh(Power C'oinpany

~

~

< cc::' Mr. William L. Porter -

1

- DukeiPower Company--

P. O. Box 2178-

-422iSouth' Church. Street-Charlotte, North' Carolina 28242

-J. Michael McGarry,.'III, Esquire-DeBevoise-& Liberman

-700 Shoreham Building

- 806-15th: Street, NW..

. Washington,;D.C.

20005:

~

Oconee Public Library 201 -South Spring' Street Walhalla, South Carolina 29691' e

4.'

e 6

1

_h k'

-~

)

1 om bi