ML19329A175

Forwards Description & Safety Evaluation of Facility 230 Kv Switchyard Breaker Failure Relay Circuitry Mods

ML19329A175
Person / Time
Site:	Oconee
Issue date:	05/03/1974
From:	Thies A DUKE POWER CO.
To:	Moore V US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML19329A176	List: ML19329A175 ML19329A177
References
NUDOCS 7912300203
Download: ML19329A175 (2)

Text

,

AEC D7'7IBUTION FOR PART 50 D00EET PX"I AL (TEMPORARY FORM) L CONTROL NO: 4180 TILE: et FROM: DATE OF DOC DATE REC'D RPT OTHER LTR { MEMO Duke Power Company Chr.rlotte, N. C. 28201 A. C. Thies 5-3-74 5-10-74 X TO: ORIG CC OTIER SENT AEC PDR X Mr. Moore 1 siened CLASS UNCLASS PROP INFO IhiUT NO CYS REC'D DOCKET NO:

XXXXX 1 270/287 DESCRIPTION: ENCLOSURES:

Ltr re our 1-21-74 ltr......trans the follow- REPORT: Description & safety evaluation ings of modifications of the Oconce Nuclear Station 230 KV switchyard breaker failure relay circuitry.

j EN'si,"".I*.'O n ., u &

PLANT NAME: Oconee Units 1, 2 & 3 ( l cy rec'd)

. t Mem0V8 FOR ACTION /INFORMATION 5-11-74 Ab BUTLER (L) /SCIMENCER(L) 7eIEMANN(L) REGAN(E)

W/ Copies W/2 Copies (Info) W/ Copies W/ Copies CLARK (L) STOLZ(L)

• DICKER (E)

W/ Copies W/ Copies W/ Copies W/ Copies PARR(L) VASSALLO(L) KNIGHION(E) uf re.pt.. uf c:pt : l cc,y ., yj cupies KNIEL(L) / PURPLE (L) YOUNGBLOOD(E)

W/ Copies W/7 Copies W/ Copies W/ Copies

'% . INTERNAL DISTRIBUTION

" 4 -270/2S7) TECH REVIEW DENTON A/T IND

./ AEC PDR (L-270/287 kdENDRIE GRIMES _LIC ASST BRAI1 MAN

> OGC, ROOM P-506A SCHROEDER GAMMILL SALTZMAN

./MUNIZING/ STAFF DIGGS (L)

A1ACCARY KASTNER B. W RT

/ CASE GEARIN (L)

,,,< KNIGHT BALLARD GIAMBUSSO /COULBOURNE (L) PLANS f PAWLICKI SPANGLER BOYD / SHA0 LEE (L) MCDONALD MAIGRET (L) DUBE w/ Input MOORE (L)(BL'R) /STELLO ENVIRO REED (E)

DEYOUNG(L)(PWR) ,,, HOUSTON MULLER NO NOVAK SERVICE (L)

SKOVHOLT (L) y DICKER C' d 8

/ SHEPPARD (L) yGOLLER(L)(,&7M) / ROSS KNIGHTON B. KING (E/W-358)

SLATER (E)

P. COLLINS / IPPOLITO YOUNGBLOOD R DENISE SMITH (L)

/ TEDESCO REGAN EISENHUT REG OPR / LONG TEETS (L)

PROJECT LDR p/ FILE & REGION (3) / LAINAS WADE (E) AOR FILE WILLIAMS (E) 4/ D. THOMPSON (2) of MORRIS (BENAROYA HARLESS '

WILSON (L)

STFELE / VOLIMER ' -

EXTERNAL DISTRIEUTION -

/ 1 - LOCAL PDR Walhalla. S. C.

./l - TIC (ABERNATHY) (1)(2X10) NATIONAL LAB'S;7912300 M- R-}Ah./LA/h [ I

/1 - NSIC(BUCHANAN) 1-ASLBP(E/W Bldg,dm 529) 1-GERALD LELLOUCIE 1 - ASLB l-W. PENNINGTON, Rm E-201 GT BROOKHAVEN NAT. LAB

- P. R. DAVIS (AEROJET NUCLEAR) 1-CONSULTANT' S 1-AGMED(Ruth Gussman)

/16 - CYS ACRS :27DDcpoc SENT TO LIC ASST. '

NEWMARK/BLUME/AGBABIAN RM- B-127, CT.

S. SHEPPARD l-GERALD ULRIKSON. . .ORNL l-RD.. MULLER..F-309 GT l 1 E & M SWINEERDAD. Pm F 7M ('T

• R'egulatory [NN

. ~

DUKE POWER COMPANY Powrn Bttrz.orwo 422 Sot Tu Cut:acu Stater, CHARIDTTE, N. C. 28201 A. C. Tu r cs se. wc Pac..ec., . P. o. Box 217e Pocoucten ano tes=smession , ___

,j' b;f (fT'

..e  :.'h

/,ft

/- J -.,-

\O.

May 3, 1974 -

r- -  :

b MAY101374 m- 5:t

'^

u e m r.na c?i:s t:r t ~ * ,n c _. wx [.74 Mr. V. A. Moore, Assistant Director

v. ., #, # #" '

For Light Water Reactors Group 2 Directorate of Licensing Office of Regulation U. S. Atomic Energy Commission Washington, D. C. 20545 Re: Oconee Nucle on Docket Nos. 0-26 -270, -287

Dear Mr. Moore:

In response to your letter of January 21, 1974, please find attached a description and safety evaluation of modifications of the Oconee Nuclear Station 230 KV switchyard breaker failure relay circuitry.

Very truly yours, A

A. C. Thies ACT:gje Attachment N

< ro c) 00CEE UWE -

it 14AY 101974 "[5 i ytjyJTORY ym sECTION

.O" DOCKET WK T ^

%u, x Ig\

4.180