ML20199J057

Forwards RAI Re 980918 Request for Amend to Plant Ts.Amend Would Incorporate New Best Estimate Analyze for Core Operations Core Power Distribution Monitoring & Support Sys Into Ts.Response Requested within 15 Days of Receipt of Ltr

ML20199J057
Person / Time
Site:	Summer
Issue date:	01/21/1999
From:	Padovan L NRC (Affiliation Not Assigned)
To:	Gabe Taylor SOUTH CAROLINA ELECTRIC & GAS CO.
References
TAC-MA3997, NUDOCS 9901260046
Download: ML20199J057 (4)

Text

. . . . - - - . - . - . . . .

e January 21, 1999 Mr. G ry J. Teylor Vice President, Nuclear Operations '

South Carolina Electric & Gas Company i Virgil C. Summer Nuclear Station Post Office Box 88 Jenkinsville, South Carolina 29065

SUBJECT:

REQUEST FOR ADDITIONAL INFORMATION - BEACON TECHNICAL l SPECIFICATIONS AMENDMENT REQUEST (TAC NO. MA3997)

Dear Mr. Taylor:

Your September 18,1998, letter requested an amendment to the Virgil C. Summer Technical l

Specifications (TS). The amendment would incorporate the new best estimate analyzer for core  !

operations (BEACON) core power distribution monitoring and support system into the TS. We need additional information, as discussed in the Enclosure, in order to complete our review of your request. Please provide this information within 15 days of receipt of this letter. I discussed this request with April Rice on January 14,1999, and we mutually established this response date. Please call me at (301) 415-1423 if you :eed to revise the response date.

Sincerely, ORIGINAL SIGNED BY- l L. Mark Padovan, Project Manager i Project Directorate 11-2 Division of Reactor Projects - 1/11 Office of Nuclear Reactor Regulation Docket No. 50-395

Enclosure:

Request for Additional Information cc w/ encl: See next page  !

Distribution /

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Mr. Gary J. Taylor Vice President, Nuclear Operations South Carolina Electric & Gas Company I Virgil C. Summer Nuclear Station Post Office Box 88 Jenkinsville, South Carolina 29065

SUBJECT:

REQUEST FOR ADDITIONAL INFORMATION - BEACON TECHNICAL SPECIFICATIONS AMENDMENT REQUEST (TAC NO. MA3997)

Dear Mr,

Taylor:

1 Your September 18,1998, letter requested an amendment to the Virgil C. Summer  :

Technical Specifications (TS). The amendment would incorporate the new best estimate analyzer for core operations (BEACON) core power distribution monitoring and support system into the TS. We need additional information, as discussed in the Enclosure, in order to complete our review of your request. Please provide this information within 15 days of receipt of this  ;

letter. I discussed this request with April Rice on January 14,1999, and we mutually established this response date. Please call me at (301) 415-1423 if you need to revise the response date.

Sincerely, c>d-w--- --

L. Mark Padovan, Project Manager Project Directorate ll-2 Division of Reactor Projects -l/II Office of Nuclear Reactor Regulation Docket No. 50-395

Enclosure:

Request for Additional information cc w/ encl: See next page l

L, .-

l l Mr. Grry J. Tcylor VIRGIL C. SUMMER NUCLEAR STATION South Carolina Electric & Gas Company l

I cc:

Mr. R. J. White J. B. Knotts, Jr., Esquire Nuclear Coordinator Winston & Strawn Law Firm

- S.C. Public Service Authority 1400 L Street, N.W.

clo Virgil C. Summer Nuclear Station Washington, D.C. 20005-3502 Post Office Box 88, Mail Code 802 Jenkinsville, South Carolina 29065 Resident inspector / Summer NPS c/o U.S. Nuclear Regulatory Commission Route 1, Box 64 l Jenkinsville, South Carclina 29065 Regional Administrator, Region 11  ;

U.S. Nuclear Regulatory Commission j Atlanta Federal Center  !

61 Forsyth Street, SW, Suite 23T85 Atlanta, Georgia 30303 l

Chairman, Fairfield County Council l Drawer 60 l Winnsboro, South Carolina 29180 j Mr. Virgil R. Autry, Director Division of Radioactive Waste Management Bureau of Land & Waste Management Department of Health & Environmental Control 2600 Bull Street Columbia, South Carolina 29201 Mr. Robert M. Fowlkes, Manager Operations

. South Carolina Electric & Gas Company Virgil C. Summer Nuclear Station, Mail Code 303 Post Office Box 88 Jenkinsville, South Carolina 20065 Ms. ' April R. Rice, Manager Nuclear Licensing & Operating Experience South Carolina Electric & Gas Company l Virgil C. Summer Nuclear Station, Mail Code 830 Post Office Box 88 Jenkinsville, South Carolina 29065

ENCLOSURE l

l REQUEST FOR ADDITIONAL INFORMATION BEACON TECHNICAL SPECIFICATIONS AMENDMENT REQUEST VIRGIL C. SUMMER NUCLEAR STATION NCSNS)

1. Section 4.0 " Technical Position" of the best estimate analyzer for core operations (BEACON)

Topical Report (WCAP-12472-P-A) and the " Conclusions" portion of our February 16,1994, topical report Safety Evaluation Report contain conditions for NRC approval. How are you complying with these conditions?

2. In the third paragraph on page 1 of your safety evaluation, you state that you determined uncertainties using NRC-approved methodology. Is WCAP-12472 the referenced NRC-approved methodology?

3. In the first paragraph on page 2 of your safety evaluation, you stated that applying BEACON to VCSNS is more restrictive than that approved in the WCAP. Please clarify this statement.

4. In the second paragraph on page 2 of your safety evaluation, the last sentence states that more frequent surveillance may be required under certain circumstances. Please state what ,

those certain circumstances are, and why they are impacted. i I

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