ML20137C037

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Requests Addl Info Re TS Changes Submitted by TVA Concerning, Ice Condenser Ice Weight Reduction & Chemical Analysis Surveillance Intenval Extersion
ML20137C037
Person / Time
Site: Sequoyah  Tennessee Valley Authority icon.png
Issue date: 03/21/1997
From: Hernan R
NRC (Affiliation Not Assigned)
To: Kingsley O
TENNESSEE VALLEY AUTHORITY
References
TAC-M96592, TAC-M96593, NUDOCS 9703240136
Download: ML20137C037 (3)


Text

i fiarch 21, 1997 Mr. Oliver D. Kingsley, Jr.

President, TVA Nuclear and Chief Nuclear Officer Tennessee Valley Authority 6A Lookout Place 1101 Market Street Chattanooga, TN 37402-2801

SUBJECT:

REQUEST FOR ADDITIONAL INFORMATION - TECHNICAL SPECIFICATION CHANGE REQUEST TS 96-02 FOR SEQUOYAH NUCLEAR PLANT UNITS 1 AND 2 (TAC NOS. M96592 AND M96593)

Dear Mr. Kingsley:

The stiff isJre' iewing the subject proposed Technical Specification change v

request. submitted by the Tennessee Valley Authority in a letter dated August 22',1996, " Ice Condenser Ice Weight Reduction and Chemical Analysis 4

-Surveillance Interval Extension." To complete our review of your request, the a

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] response to ;the attached request for additional information is needed.

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N Please' contact us.,if you have any questions.

Sincerely,

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Original signed by Robert fiartin for Ronald W. Hernan, Senior Project Manager Project Directorate II-3 Division of Reactor Projects - I/II Office of Nuclear Reactor Regulation Docket Nos. 50-327 and 50-328 Enclosurei Request for Additional Information j

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SEQUOYAH NUCLEAR PLANT

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Tennessee Valley Authority CC' Mr. O. J. Zeringue, Sr. Vice President Mr. J. T. Herron, Plant Manager Nuclear Operations Sequoyah Nuclear Plant Tennessee Valley Authority Tennusee Valley Authority 6A Lookout Place P.O. Box 2000 1101 Market Street Soddy Daisy, TN 37379 Chattanooga, TN 37402-2801 Regional Administrator Mr. Jack A. Bailey, Vice President U.S. Nuclear Regulatory Commission Engineering & Technical Services Region II Tennessee Valley Authority 101 Marietta Street, NW., Suite 2900 6A Lookout Place Atlanta, GA 30323 1101 Market Street Chattanooga, TN 37402-2801 Mr. Melvin C. Shannon Senior Resident Inspector Mr. R. J. Adney, Site Vice President Sequoyah Nuclear Plant Sequoyah Nuclear Plant U.S. Nuclear Regulatory Commission Tennessee Valley Authority 2600 Igou Ferry Road P.O. Box 2000 Soddy Daisy, TN 37379 Soddy Daisy, TN 37379 Mr. Michael H. Mobley, Director General Counsel Division of Radiological Health Tennessee Valley Authority 3rd Floor, L and C Annex ET 10H 401 Church Street 400 West Summit Hill Drive Nashville, TN 37243-1532 Knoxville, TN 37902 County Executive Mr. Raul R. Baron, General Manager Hamilton County Courthouse Nuclear Assurance and Licensing Chattanooga, TN 37402-2801 Tennessee Valley Authority 4J Blue Ridge 1101 Market Street Chattanooga, TN 37402-2801 Mr. Pedro Salas, Manager Licensing and Industry Affairs Tennessee Valley Authority 4J Blue Ridge 1101 Market Street Chattanooga, TN 37402-2801 Mr. Ralph H. Shell, Manager Licensing and Industry Affairs Sequoyah Nuclear Plant Tennessee Valley Authority P.O. Box 2000 Soddy Daisy, TN 37379

i REQUEST FOR ADDITIONAL INFORMATION l

ICE CONDENSER ICE WEIGHT REDUCTION AND CHEMICAL ANALYSIS SURVEILLANCE INTERVAL EXTENSION i

1.

In the WCAP-12455 Rev. I containment integrity analyses, it is indicated,that this anlysis utilized revised input assumptior.s which eliminated analytical conservatism from the present analysis.

Please provide the comparison and basis for the difference in assumptions for the following:

a.

Core stored energy b.

Decay heat release 4

c.

Bounding condition for steam generator equilibrium and depressurization to reflect actual plant conditions 2.

In the above report it is also indicated that this analysis accounted for the effects of other plant changes that Westinghouse is aware of.

Please list the changes and provide the comparison and basis for such changes between the two analyses.

1 o

9 4

ENCLOSURE 4

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