ML20150D112

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Commits to Extend Qualified Life of Silicone Rubber Cables for Full Life of Plant Before Plant Returned to Svc
ML20150D112
Person / Time
Site: Sequoyah  Tennessee Valley Authority icon.png
Issue date: 03/17/1988
From: White S
TENNESSEE VALLEY AUTHORITY
To:
NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
TAC-R00331, TAC-R00332, TAC-R331, TAC-R332, NUDOCS 8803230097
Download: ML20150D112 (3)


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1 TENNESSEE VALLEY AUTHORITY 6N 38A Lookout Place Chattanooga, Tennessee 37401 MAR 171988 U.S. Nuclear Regulatory Commission ATTN:

Document Control Desk Washington, D.C.

20555 Gentlemen:

In the Matter of

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Docket Nos. 50-327 Tennessee Valley Authority

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50-328 SEQUOYAH NUCLEAR PLANT (SQN) - SILICONE RUBBER CABLE ENVIRONMENTAL QUALIFICATION

Reference:

Letter from TVA to NRC dated February 29, 1988 The referenced letter is cancelled.

TVA commits to extend the qualified life of the silicone rubber cables for the full life of the plant before the return to service from the first refueling outage after restert (unit 2 cycle 3).

The exact plans for the qualification program will be provided at a later date, It should be noted that the silicone rubber-cable installed at SQN currently has a qualified life of ten years of service plus the ability to withstand accident conditions.

The commitments made in the letter are listed in the enclosure.

Very truly yours, TENNESSEE VALLEY AUTHORITY A

i Ma ger Office of Nuclear Power Enclosure cc:

see page 2

[0 [f 8803230097 880317 PDR ADOCK 05000327 f

P DCD An Equal Opportunity Employer

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. U.S. Nuclear Regulatory Commission g

cc (Enclosure):

Mr. K. P. Barr, Acting Assistant Director for Inspection Programs TVA Projects Division U.S. Nuclcse Regulatory Commission Region II 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30323 Mr. G. G. Zech, Assistant Director for Projects TVA Projects Division U.S. Nuclear Regulatory Commission One White Flint, North 11555 Rockville Pike Rockville, Maryland 20852 Sequoyah Resident Inspector Sequoyah Nuclear Plant 2600 Igou Ferry Road Soddy Daisy Tennessee 37379 l

e i

ENCLOSURE 1.

TVA commits to the qualified life of the silicone rubber cables for the full life of the plant before the return to service from the first refueling outa5e after restart (unit 2 cycle 3).

2.

TVA will provide these plans to NRC as they become available.

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