ML19098B445

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Response to Letter of 5/6/1977, Advising Requested Information Re Prove Data for Steam Generator Tube Is Not Available Since VEPCO Probed Each Unit Only Once
ML19098B445
Person / Time
Site: Surry  Dominion icon.png
Issue date: 06/20/1977
From: Stallings C
Virginia Electric & Power Co (VEPCO)
To: Case E, Reid R
Office of Nuclear Reactor Regulation
References
Serial No. 199/050677
Download: ML19098B445 (2)


Text

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e VIRGINIA ELECTRIC.AND POWER COMPANY.,.,,..-::_,r~

RIOHMOND,VX:RGINIA 23261

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June 20,.197T *,

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Mr. Edson G. Case Acting Director of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission Washington, D. C.

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1 SeriaiNo. 199/050677 PO&M/ ALH: das- --- --__.,.

Docket Nos. 50-280 Attn:

Mr. Robert_W. Reid, Chief Operating Reactors Branch 4 50-281 License Nos. DPR-32 DPR-37

Dear Mr. Case:

This is in response to your.letter of Y.tay 6, 1977, wherein you.requested information regarding probe data for those steam generator tubes which have

.been probed more than once with various sized probes.

The information you requested is not available since we have probed each Surry.unit only once for purposes of determining denting rates.

The probe data resulting from the next Surry steam generator inspection will be analyzed for rate of change of dent diameter as requested in your letter.

cc:

Mr. Norman_C. Moseley Very truly yours, t/;,)J;.,-~kt&-~

C. M. Stallings Vice President-Power Supply and Production Operations

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