ML20058E111

Grants 901023 Request for Extension of 60-day Reporting Requirement for Cycle 5 Radial Peaking Factor Limit Rept

ML20058E111
Person / Time
Site:	Sequoyah
Issue date:	11/02/1990
From:	Hebdon F Office of Nuclear Reactor Regulation
To:	Kingsley O TENNESSEE VALLEY AUTHORITY
References
NUDOCS 9011070032
Download: ML20058E111 (3)

Text

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-I November 2, 1990 i

Docket No. 50-328

'Mr. Oliver D. Kingsley, Jr.

Senior Vice President, Nuclear Power 6N 38A Lookout Place 1101-Market Street Chattanooga, Tennessee _ 37402-2801

SUBJECT:

UNIT-? CYCLE 5 RADIAL PEAKINC FACTOR LIMIT REPORT - SEQUOYAH NUCLEAR PLANT, UNIT 2 By letter dated October 23,1990, you submitted the Unit 2 Operating Cycle 5 radial peaking factor limit' report, in accordance with Technical Specification i

(TS) 6.9.1.14. - This report provides corrected cycle dependent W(Z) functions that account for power distribution transients in the heat flux hot channel fector during normal power operation. The TS 6.9.1.14 requires that the radial peaking' factor limit' report be submitted at least 60 days prior to the date the values would be effective and this report does not meet this 1

requirenent.. Unit 2 is presently restarting from its Cycle 4 refueling outage.

You requested relief from the 60-day requirement in TS 6.9.1.4.

.The report is for Operating Cycle 5 and accounts for the redesign of the Unit 2 corc'during the current Unit ? Cycle 4 refueling outage. The core was

' redesigned because of the removal and replacement of several fuel assemblies that were found to contain leaking. fuel rods during the refueling outage.

1 The need to recalculate the W(2) function for the redesigned core during the l

refueling outage precluded the submittal of the report 60 days prior to initial core criticality during the restart from the refueling outage.

We have evaluated the justification for your request to accept these radial peaking factor limit reports in a time frame shorter than specified in TS 6.9.1.14.

In accordance with TS 6.9.1.14, we exempt you from the

' requirement in TS 6.9.1.14 to submit the specific report for Unit 2 Operating Cycle 5 at least 60 days prior to the date the values would become effective.

Your justification for susmitting this report late is acceptable.

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-Mr. Oliver D. Kingsley, Jr.

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These reports are' examples of-cycle specific parameters addressed in the M

Technical Specifications that may change with a core reload in e refueling outage. Generic Letter (GL) 88-16 was issued by letter _ dated October 4,1988 to address the removal of cycle-s secific parameters from the Technical Specifications. The proposed tecinical specifications in the GL remove the requirement for a report 60 days prior to_ core criticality in the restart from a refueling outage. :You should review the GL and consider if the Sequoyah Technical Specifications should be amended.

Sincerely, Original signed by Frederick J. Hebdon, Director Project Directorate 11-4 Division of Reactor Projects. I/II Office of Nuclear Reactor Regulation ec: See next page Distribution-ws45HR 79Te%

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Mr. Marvin Runyon, Chairman Mr. Joseph Bynum, Acting Site Director Tennessee Valley Authority Sequoyah Nuclear Plant ET 12A 7A Tennessee Valley Authority 400 West Sumit Hill Drive P. O. Box 2000 Knoxville, Tennessee 37902-

. Soddy Daisy, Tennessee 37379 Mr. Edward G. Wallace Ms. Marci Cooper Manager, Nuclear Licensing Site Licensing Manager and Regulatory Aff airs Sequoyah Nuclear Plant

Tennessee Valley Authority P. O. Box 2000 SN 157B Lookout Place Soddy Daisy, Tennessee 37379 Chattanooga,' Tennessee 37a02-2801 Mr. John B. Waters, Director County Judge Tennessee Valley Authority Hamilton County Courthouse ET 12A 9A Chattanooga, Tennessee. 37402 400 West Sumit Hill Drive Knoxville, Tennessee-37902 Regional Administrator, Region II U.S. Nuclear Regulatory Comission Mr.' W. F.. Willis 101 Marietta Street, N.W..

Chief Operating Officer Atlanta, Georgia 30323 ET 12B 16B 400 West Summit Hill Drive Mr. Paul E. Harmon Knoxville,-' Tennessee 37902 Senior Pesident Inspector Sequoyah Nuclear Plant-

'Gercral Counsel U.S. Nuclear Regulatory.Comission

. Tennessee Valley Authority 2600 Igou Ferry Road 400 West Surmit Hill Drive Soddy Daisy, Tennessee 37379 ET 11B 33H Kncxv111e, Tennessee 37902 Mr. Michael H. Mobley. Director Division of. Radio 1cgical i!ealth Mr.. Dwight Nunn T.E.R.R.A. Building,.6th Flocr Vice President, Nuclear Projects ISO 9th Avenue North'

' Tennessee Valley Authority Nashville, Tennessee 37219-5404 6H 38A Lookout Place 1101 Itarket Street Tennessee Valley Authority L

Chattanooga, Tennessee '37402-2801 Rockville Office 11921 Rockville Pike

.Dr._ Mark 0. Medford Suite 402 Vice President,-Huclear Assurance, Rockville, Maryland 20852 L

Licensing and Fuels Tennessee Valley Authority L

6N 38A Lookout Place-Chattanooga, Tennessee 37402-2801 l

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