ML20072K418

From kanterella
Jump to navigation Jump to search
Advises That Life Cycle Program for Reactor Trip Breakers Scheduled to Begin in Early Jul & Will Require Approx 2 Months to Complete.Commitment of 830608 to Provide Scope & Schedule for Life Cycle Program Complete
ML20072K418
Person / Time
Site: Summer South Carolina Electric & Gas Company icon.png
Issue date: 06/30/1983
From: Dixon O
SOUTH CAROLINA ELECTRIC & GAS CO.
To: Harold Denton
Office of Nuclear Reactor Regulation
References
NUDOCS 8307060272
Download: ML20072K418 (2)


Text

, _-

d'

+v SOUTH CAROLINA ELECTRIC & GAS COMPANY Post orrics 7s4 COLuualA. SOUTH CAROUNA 29218 O. W. OlXON. JR.

Nve$s5 '"Op'*Ev7o.,, June 30, 1983 Mr. Harold R. Denton, Director Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Washington, D.C. 20555

Subject:

Virgil C. Summer Nuclear Station Docket No. 50/395 Operating License No. NPF-12 Reactor Trip Breakers Reference A) Letter to H. R. Denton from H. B. Tucker, Duke Power Company, dated June 3, 1983 Reference B) Letter to H. R. Denton from H. B. Tucker, Duke Power Company, dated June 28, 1983

Dear Mr. Denton:

In South Carolina Electric and Gas Company's (SCE&G) letter to Mr. Harold R. Denton, dated June 8, 198 3, SCE&G committed to submit the Life Cycle Program scope and schedule discussed in our May 12, 1983 letter to the NRC for approval prior to commencing this program..

A description of the Life Cycle Program, which was developed by Westinghouse to verify the reliability of the undervoltage trip attachment (UVTA) on Westinghouse DS-416 breakers, was submitted to the NRC on June 3, 1983 (Reference A) and supplemented on June 28, 1983 (Reference B) by Duke Power Company. This Program was developed by Westinghouse in conjunction with domestic utilities which utilize the DS-416 UVTA in reactor trip switchgear.

The Program is scheduled to commence in early July and will require approximately two months to complete. Timely staff review of this Program is requested.

By submittal of this letter, the commitment to provide a scope

-and schedule for the Life Cycle Program is considered satisfied.

No 10

r-(T Mr. Harold R. Denton June 30, 1983 Page #2 If you have any questions, please advise.

Very truly yours,

,/

f /

O. W. ixo , Jr.

AMP:OWD/fjc cc: V. C. Summer T. C. Nichols, Jr./O. W. Dixon, Jr.

E. H. Crews, Jr.

E. C. Roberts H. N. Cyrus J. P. O'Reilly Group / General Managers O. S. Bradham R. B. Clary C. A. Price A. R. Koon C. L. Ligon (NSRC)

G. J. Braddick J. C. Miller J. L.-Skolds J. B. Knotts, Jr.

NPCF File (Lic./Eng.)

4 s

O er- -t--rv-* + r--= -- +n"-