ML19269E313
| ML19269E313 | |
| Person / Time | |
|---|---|
| Site: | Beaver Valley |
| Issue date: | 05/16/1979 |
| From: | Woolever E DUQUESNE LIGHT CO. |
| To: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| NUDOCS 7906270203 | |
| Download: ML19269E313 (1) | |
Text
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(412) 471-4300 435 Sixth Avenue Pittsburgh, Pennsylvania 15218 May 16, 1979 United States Nuclear Regulatory Commission Region I 631 Park Avenue King of Prussia, Pennsylvania 19406 ATTENTION:
MR. BOYCE H. GRIER, DIRECTOR
SUBJECT:
Beaver Valley Power Gtation Unit No. 2 Docket No. 50-412 IE Bulletin No. 79-07 Seismic Stress Analysis of Safety-Related Piping Gentlemen:
IE Bulletin 79-07 requested certain information conccrning seismic analysis of safety-related piping.
The following is our response to this bulletin.
In response to Items 1, 2 and 4 no computer codes have been identified by Stone and Webster which used any of the methods described in Item 1 of the bulletin.
In response to Item 3, the following computer program was used in the seismic stress analysis of safety-related piping for Beaver Valley Unit No. 2.
NUPIPE 03/01 through 03/10 Verification of computer program (NUPIPE 03/10) used by Stone and Webster is being addressed in response to the April 2 Addendum to the March 13 Order to Show Cause for Beaver Valley Power Station Unit No. 1.
Stone and Webster's in-house benchmarking links all major versions of NUPIPE to Version 03/10.
DUQUESNE LIGHT COMPANY By E.V J.' Woolever Vice Presi' dent COPIES TO:
Dr.
E. Volgenau (15)
Mr. W. G. Mcdonald (1) 213-1 194
.t 90627 0 735