ML20140B760
| ML20140B760 | |
| Person / Time | |
|---|---|
| Site: | South Texas  |
| Issue date: | 06/06/1977 |
| From: | Parr O Office of Nuclear Reactor Regulation |
| To: | Oprea G HOUSTON LIGHTING & POWER CO. |
| Shared Package | |
| ML20140B735 | List: |
| References | |
| ST-HL-AE-1582, NUDOCS 8601270124 | |
| Download: ML20140B760 (1) | |
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PAGE I O F. 3 j....
RECEIVED '
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LICENSING DEPT.
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Docket Nos. STN 50-498 j
and STN 50-499 l
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Houston Lighting and Power Company ATTN: Mr. 6. W. Oprea. Jr.
1 Executive Vice President i
P. O. Box 1700 Houston, Texas 77001 Gentlenen:
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$UBM.CT: SAFETY EVALUATION OF REPORT " DYNAMIC EFFECTS OF POSTULATED l'
PIPE FAILURES OUTSIDE CONTAllMENT - SOUTH TEXAS PROJECT UNITS 1 AND 2" g;
We have reviewed the report " Dynamic Effects of Postulated' Pipe Failures k
Outside Containment - South Texas Project Units 1 and 2 and your responses to our request for additional information dated March 16, 1977, and have 7:
determined that the redesign of the main steam and feedwater valve house to withstand the environmental effects o' a pipe brerk in a main steam or feedwater line is acc'eptable. Therefore, we have concluded that the protection against postulated pipe breaks outside contairunent for the South Texas Project Units 1 and 2 is acceptable.
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The bases for our conclusion is presented in our " Safety Evaluation 9-sf the Dynamic Effects of Postulated Pipe Failure Outside Contairunent -
O South Texas Project Units 1 and 2," which is attached for your information.
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Sincerely. U,',
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UlanD.Parrbhief*
Light Water Reactors Branch No. 3 Division of Project Management i.nclosure:
As Stated Q"r cc: see next page RECEN G pw a ano' #
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