ML20129H439

Informs That Addl Info Needed to Complete Review of Licensee 961001 Submittal Re Amend Request to Revise Plant,Units 1 & 2 TS for Taking Credit for Soluble Boron in Fuel Storage Criticality Analysis & TS for Enrichment of Fuel in Storage

ML20129H439
Person / Time
Site:	Vogtle
Issue date:	10/29/1996
From:	Larry Wheeler NRC (Affiliation Not Assigned)
To:	Mccoy C GEORGIA POWER CO.
References
TAC-M96771, TAC-M96772, NUDOCS 9610310289
Download: ML20129H439 (4)

Text

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~ UNITED STATES l { j 4"

NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20506 0001 O

% # October 29, 1996

! Mr. C. K. McCoy Vice President - Nuclear Vogtle Project Georgia Power Company P. O. Box 1295 Birmingham, AL 35201

SUBJECT:

REQUEST FOR ADDITIONAL INFORMATION (RAI) REGARDING TECHNICAL SPECIFICATION (TS) CREDIT FOR BORON AND FUEL ENRICHMENT, V0GTLE ELECTRIC GENERATING PLANT (VEGP) UNITS 1 AND 2 (TAC NOS. M96771 AND M96772)

Dear Mr. McCoy:

4 The Nuclear Regulatory Commission staff is reviewing your proposed license ,

amendment request dated October 4, 1996, which would revise the VEGP Units 1 l and 2 TS for taking credit for soluble boron in the fuel storage criticality )

analysis and the TS for the enrichment of fuel in storage-(LCV-0849). The '

staff has identified the following six items of additional information that are required in order to complete its review. The staff understands that you plan to revise your October 4, 1996, submittal based on changes that are being considered by the Westinghouse Owner's Group for one of the related topical ,

reports (" Westinghouse Spent Fuel Rack Criticality Analysis Methodology, '

WCAP-14416," dated June 1995). You are requested to provide additional information in your revised submittal that addresses the following issues.

4

1. The staff does not concur with the proposed placement of the burnup vs. initial enrichment tables and figures, or the cell storage configuration in the Core Operating Limits Report (COLR). These are not COLR-type items since they do not appear to be items that will change from cycle-to-cycle in the future. Also, the NRC should review any changes to these items. Therefore, they should be retained in the TS.

2. Proposed TS 3.7.17 should refer to the normal fuel pool boron concentration (2400 ppm), which could be placed in the COLR.

3. Proposed TS 4.3.1.1.c should refer to k less than 1.0 with unborated water that includes an allowance for un,c,e,rtainties as described in the revised methodology of WCAP-14416, which are now 95/95 values.

4. Proposed TS 4.3.1.1.b should also refer to the minimum boron concentration required to maintain the k,,, less than or equal to the 0.95 limit (1250 ppm). For example, "k,,, $; 0.95 if fully flooded with water borated to 1250 ppm . . ."

5. The burnup requirements for a 3x3 checkerboard configuration approaches a burnup limit of over 48,000 MWD /MTV. Since WCAP-14416-P (Table 6) indicates a positive bias above 40,000 MWD /MTV, axial burnup

distribution effects should be included in the burnup credit limit.

WOI D:

M 0058 _ NRC 11.E WM M 9610310289 961029 DR ADOCK0500g4

l C. K. McCoy

• l 6. Discuss any changes in plant procedures, if necessary, to control pool boron concentrations and water inventory during both normal and accident i conditions.

l

Please contact me at (301) 415-1444 if you have any questions.

Sincerely, l ,

N<m ) A Louis L. Wheeler, Senior Project Manager Project Directorate 11-2 Division of Reactor Projects - I/II Office of Nuclear Reactor Regulation

. Docket.Nos. 50-424 and 50-425 cc: See next page I

l 1

f-I

C. K. McCoy October 29, 1996

6. Discuss any changes in plant procedures, if necessary, to control pool boron concentrations and water inventory during both normal and accident conditions.

Please contact me at (301) 415-1444 if you have any questions.

Sincerely, Original signed by:

Louis L. Wheeler, Senior Project Manager Project Directorate II-2 Division of Reactor Projects - I/II Office of Nuclear Reactor Regulation Docket Nos. 50-424 and 50-425 cc: See next page Distribution:

iDocketi. File. L. Kopp E. Merschoff, RII PUBLIC H. Berkow P. Skinner, RII PD 2-2 Rdg. L. Berry OGC S. Varga L. Wheeler ACRS To receive a copy of this document, indicate in the box: "C" - Copy without attachment / enclosure "E" - Copy with attachment / enclosure "N" - No copy 0FFICE PM: POI N :DRPE lE LA:PO!!-2:bRPE l BC:SRXB , f l D:PQ11g M N l h/ l l NAME LWheetG:en LBerry W RJones */s kr HBerkonV DATE 10/ ky /% 10/ M /96 10/ ?>f /% 10/ gK /96 DOCUMENT NAME: G:\V0GTLE\v0G%771.LTR OFFICIAL RECORD COPY

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Mr. C. K. McCoy Georgia Power Company Vogtle Electric Generating Plant i l l CC l

Mr. J. A. Bailey Harold Reheis', Director L Manager - Licensing- Department of Natural Resources Georgia Power Company 205 Butler Street, SE. Suite 1252 P. O. Box 1295 Atlanta, Georgia 30334 Birmingham, Alabama 35201 l Attorney General l Mr. J. B. Beasley Law Department  ;

General Manager, Vogtle Electric 132 Judicial Building i Generating Plant Atlanta, Georgia 30334 l l P. O. Box 1600 t i l Waynesboro, Georgia 30830 Mr. Thomas P. Mozingo Program Manager Regional Administrator, Region II Nuclear Operations )

U. S. Nuclear Regulatory Commission Oglethorpe Power Corporation 101 Marietta Street, NW., Suite 2900 2100 East Exchange Place Atlanta, Georgia 30323 P. O. Box 1349 Tucker, Georgia 30085-1349 Office of Planning and Budget Room 6158 Charles A. Patrizia, Esquire 270 Washington Street, SW. Paul, Hastings, Janofsky & Walker Atlanta, Georgia 30334 10th Floor )

1299 Pennsylvania Avenue Office of the County Commissioner Washington, DC 20004-9500 Burke County Commission <

Waynesboro, Georgia 30830 Arthur H. Domby, Esquire l Troutman Sanders Mr. J. D. Woodard NationsBank Plaza Senior Vice President 600 Peachtree Street, NE.

Georgia Power Company Suite 5200 P. O. Box 1295 Atlanta, Georgia 30308-2216 Birmingham, Alabama 35201 Resident Inspector Steven M. Jackson U.S. Nuclear Regulatory Commission Senior Engineer - Power Supply 8805 River Road Municipal Electric Authority Waynesboro, Georgia 30830 l

of Georgia 1470 Riveredge Parkway, NW Atlanta, Georgia 30328-4684 l

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