ML20033F824

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Provides Supplemental Response to NRC Bulletin 88-002 Re Implementation of Administrative Controls to Ensure That Updated Stress Ratio & Fatigue Usage Calculations Performed. Steam Generator Technical Manuals & Design Drawings Revised
ML20033F824
Person / Time
Site: Beaver Valley
Issue date: 03/23/1990
From: Sieber J
DUQUESNE LIGHT CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
IEB-88-002, IEB-88-2, TAC-67296, TAC-67297, NUDOCS 9004030199
Download: ML20033F824 (1)


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dockar Crmp March 23, 1990 y-L i

i' U. S. Nuclear Regulatory Commission Attn:

Document Control Desk Washington, DC 20555 1

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Reference:

Beaver Valley Power Station, Unit No. 1 and No.'2 i

BV-l' Docket No.-50-334, License No. DPR-66 i

BV-2 Docket No. 50-412, License No. NPF-73 i

NRC Bulletin 88-02 Gentlemen:

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'Your letter (P.

S.

Tam to J.

D. Sieber) dated Februaryf l0, a

. 1989-'regarding NRC Bulletin 88-02 (TAC 67296 and 67297) requested-La. letter-upon implementation of administrative controls to ensure-

that ' updated. stress ratio and fatique-usage ' calculations.are

, performed in the' event of any significant changes to the steam-1 generator. operatina parameters.

In order to address this request,.

l we have revised the steam generator technical-manuals and. design' drawings. to address the need to review the evaluation for tube vibration -induced-fatique (WCAP-11799 for BV-1,'WCAP-12141Lfor BV-2)- upon. any. significant changes to steam generator operating ~

- parameters.

We submitted WCAP-11799 by letter dated May 4, 1988:

L and WCAP-12141 by: letters dated April 6, 1989 and July 31, 1989.

(TACL72922).

If you have any questions concerning this response, please contact-my office.

Very truly yours, l

L}dV 1r.

D. Sieber ice President Nuclear Group

- cc:

Mr. J.

Beall, Sr. Resident Inspector Mr. T. T. Martin, NRC Region I Administrator Mr.

P. Tam, Sr. Project Manager 9004030199 900323

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