GO2-83-260, Forwards Effect of Hydrodynamic Loads on Safety-Related Equipment & Piping Outside Containment, Technical Rept
| ML17277A511 | |
| Person / Time | |
|---|---|
| Site: | Columbia  |
| Issue date: | 03/28/1983 |
| From: | Bouchey G WASHINGTON PUBLIC POWER SUPPLY SYSTEM |
| To: | Schwencer A Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML17277A512 | List: |
| References | |
| GO2-83-260, NUDOCS 8304060279 | |
| Download: ML17277A511 (4) | |
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Washington Public Power Supply System P.O. Box 968 3000 George Washington Way Richland, Washington 99352 (509I 372-5000 Docket No. 50-397 March 28, 1983 G02-83-260 Director of Nuclear Reactor Regulation Attention:
A. Schwencer, Chief Licensing Branch No.
2 Division of Licensing U.S. Nuclear Regulatory Commission Washington, D.
C.
20555
Subject:
NUCLEAR PROJECT NO.
2 HYDRODYNAMIC LOADS OUTSIDE CONTAINMENT Dear Mr. Schwencer t
Attached is a report "Effect of Hydrodynamic Loads on Safety Related Equipment and Piping Outside Containment".
This was prepared in response to a request made by the Equipment gualification Branch on February 8,
- 1983, and relates to an issue raised in the SgRT audit in November 1982.
The attached report provides comparisons of reactor building acceleration response spectra for original seismic loads vs.
new seismic (utilizing refined modeling techniques) plus hydrodynamic loads, comparisons of peak building accelerations for original seismic loads vs.
new seismic plus hydrodynamic loads, and a discussion of building accelerations observed during SRV testing at Mark II plants.
The conclusion from this report is that the effect of hydrodynamic loads outside containment may be neglected and that use of original seismic loads as the design basis for analysis of piping and equipment is adequate.
Very truly yours, c
G.
D. Bouchey
- Manager, Nuclear Safety and Regulatory Programs EAF.sms
Attachment:
Technical Report as stated cc:
Mr.
R. Auluck -
NRC Mr.
W. S.
Chin - BPA Mr. A. Toth -
NRC Site goo l 83040'b0279 830328 PDR ADOCK 05000397 A "'
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