ML19332A847

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Confirms Understanding Re IE Bulletin 79-03A.Pipe Stress Evaluation Will Be Limited to Calculations Concerned W/Pressure
ML19332A847
Person / Time
Site: South Texas  
Issue date: 08/05/1980
From: Barker D
HOUSTON LIGHTING & POWER CO.
To: Hubacek B
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
IEB-79-03A, IEB-79-3A, ST-HL-AE-508, NUDOCS 8009180473
Download: ML19332A847 (1)


Text

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company n_.,,, u,o,o n_ mm.,mm, n_.,,,.m 7 August 5, 1980 ST-HL-AE-508 SFN: V-0540 Mr. Bill Hubacek Nuclear Regulatory Commission 611 Ryan Plaza Drive, Suite 1000 Arlington, Texas 76102

Dear Mr. Hubacek:

South Texas Project Units 1&2 Docket Nos. STN 50-498, STN 50-499 IE Bulletin No.79-03A Houston Lighting & Power Company recently contacted you concerning a clarification of the requirements of NRC IE Bulletin 79-03A, " Longitudinal Weld Defects in ASME SA-312, Type 304 Stainless Steel Pipe."

In evaluating the pioing design stresses to determined those which exceed 85% of the Code allowable stresses, HL&P wishes to limit the evaluation to those calculations only concerned with pressure.

As you indicated in your conversation with Mr.

P. L. Walker of HL&P Licensing, this interpretation is acceptable to the NRC.

Your clarification of this concern is appreciated.

Very truly yours, I

..t~

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D. G. Barker, Mdnager South Texas Project PLW/pjb cc:

J. G. White A. J. Granger s S. S. Rodgers9 L. R. Jacobi P. S. Jordan (B&R)

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