ML19242A981

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Responds to IE Bulletin 79-04.Velan Swing Chenck Valves Examined & Weights Verified.If Weight Changes Are Identified,Further Response Will Be Provided
ML19242A981
Person / Time
Site: River Bend  Entergy icon.png
Issue date: 05/25/1979
From: Weigand J
GULF STATES UTILITIES CO.
To: Seyfrit K
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
RBG-6433, NUDOCS 7908070238
Download: ML19242A981 (2)


Text

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,wusser 6J. ' gqv GULF STATES UTILITIES COMPANY N POST O F F t C E B O X 29 51

  • O E A U M ON T, TE XA S 77T O4 A R E A COD E 7 1 3 55 38 6 6 3 1 I.:ay 25,1979 REG - 6h33 File GP.5 Mr. Karl V, aeyfrit, Director I;uclear Pegulatory Cornission, Region IV 611 Ryan Plaza Drive Suite 1000 Arlington, TX 76011

Dear ?/r. Sey frit :

River Eend Station Befer to. RIV Dacket I!c c . 50 h58/IE Bulletin 79-OL 50L59/IEEulletin79-Oi In respence to your IE Eulletin 79-OL dated '! arch 30, 1979.

we have initittted an examinition of our facility for the cub. ject valves. Our response to the various itema in your bulletin are as follows:

1) A preliminary list o f seistic estegory one piping syste.~.s where 3, b, or 6 inch diaceter relan swing check valves are scheduled to be installed has been ^ampiled.
2) The weights for the subject valves are verified ti the vendor as correct as shown in River Pend Station project engineering drawinco. All as built valves will be weiched to verify weights as shawn en pre, ject en ;ineering drawings .

All drawings supplied tc the Architect E 71neer are be -- i checkod and will be corrected ir the etent discrepancier are found by the cender ',' eights aa shown or prcJect en-gineerirc drawinca are teing verified by calculation f':

all valves not yet fabricated.

3) I;c incorrect calve ei,-hta have been
  • and ,cet

!. ) In the e'/ent wei6t chan<es : te cle n t i l e i , a 'esponse tcthu question will be provided.

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5) If it becomes necessary to utilize analy+ical te,hniques to respond to item fou r , they vill be identified 11ong with any computer codes used, in response to this itet.

We trust this satisfirs y.ar needs in this area. '.'e < will provide an up date at the conclusion of our examinatir n of this matter.

Sincerely, M - ,

J G. Weigand veneral Manager - I;uclear Projects JWL/=b cc: Office of Inspection a:1d En forcement , Washington , D.C.

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