ML20004D420

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Ack Receipt of Informing NRC of Steps Taken to Correct Violations Noted in IE Insp Repts 50-498/79-19 & 50-499/79-19
ML20004D420
Person / Time
Site: South Texas  STP Nuclear Operating Company icon.png
Issue date: 06/02/1981
From: Seidle W
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
To: Oprea G
HOUSTON LIGHTING & POWER CO.
Shared Package
ML20004D421 List:
References
NUDOCS 8106090378
Download: ML20004D420 (1)


See also: IR 05000498/1979019

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UNITED STATES

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NUCLEAR REGULATORY COMMISSION

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ARLINGTON, TEXAS 76012

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lune 2,1981

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In Reply Refer To:

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50-499/79-19

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Houston Lighting and Power Ccmpany

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ATTN: Mr. G. W. Oprea, Jr.

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xecutive Vice President

Post Office Box 1700

Houston, Texas 77001

Gentlemen:

Thank yt.u for your letter- of May 8,1981, in response to our letter, dated

April if,,1981, regarding your method for verifying the location of dome

tendon sheathing within specified radial tolerance. With regard to item (6)

of your letter, we find that additional information is needed. Specif cally,

it is our understandigg that the liner erection tolerance varies from -3 inches

at the springline to -6 inches at the top of the dome, thus complicating

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measurement of the tendon location directly from the liner surface.

Please

describe the methodology for verifying that the radial location of the dome

tendon sheathing is within specification tolerance if this cannot be done by

direct measurement from the liner sur. face.

If you. have any questions concerning this request, we will be pleased to

discuss them with you.

Sincerely,

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4. C. Seidle, Chief

Engineering Inspection Branch

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