ML20062H319

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Forwards Addl Info Requested by Action Item 3 of IE Bulletin 82-02, Degradation of Threaded Fasteners in RCPB of PWR Plants. Remaining Info Will Be Submitted at Future Date
ML20062H319
Person / Time
Site: Beaver Valley
Issue date: 08/02/1982
From: Carey J
DUQUESNE LIGHT CO.
To: Haynes R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
REF-SSINS-6820 IEB-82-02, IEB-82-2, NUDOCS 8208160014
Download: ML20062H319 (4)


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Telephone (412) 4564000 Nuclear Division P.O. Box 4 Shippingport, PA 150770004 August 2, 1982 United States Nuclear Regulatory Commission Office of Inspection and Enforcement Attn:

Mr. R. C. Haynes, Regional Administrator Region I 63L Park Avenue King of Prussia, Pennsy lvania L9406

Reference:

Beaver Valley Power Station, Unit No. !

Docket No. 50-334, License No. DPR-66 IE Bulletin 82-02 Cent lemen:

We have reviewed IE Bulletin 82-02, " Degradation of Threaded Fasteners in the Reactor Coolant Pressure Boundary of PWR Plants."

Attached is the information requested by Action Item 3 of the Bulletin.

The remaining information will be submitted at a future date in accordance with the requirements of the Bulletin.

If you have any questions concerning this response, please contact say of fice.

Very truly yours, J. J. Carey Vice President, Nuclear Attachment cc:

Mr. k. M. Troskoski, Resident Inspector U. S. Nuclear Regulatory Commission Beaver Valley Power Station Shippingport, PA L5077 U. S. Nuclear Regulatory Commission c/o Document bbnagement Branch Washington, DC 20555

/I 8208160014 820802

[E PDR ADOCK 05000334 0

PDR

e COMMONWEALTH OF PENNSYLVANIA)

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COUNTY OF BEAVER

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Onthis_f>t4 day of u M44C

, / f / O, before

/[n/a)/// J#Wa Notary Pu and County, personally appeared J. J. Carer,b)ic in and for said Commonwealth me,

, who being duly sworn, deposed, and said that (1) he is Vice President of Duquesne Light, (2) he is duly authorized to execute and file the foregoing Submittal on behalf of said Company, and (3) the statements set forth in the Submittal are true and correct to the best of his knowledge, information and belief.

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1 ATTACHMENT I i

Response to IE Bulletin 82-02 i

Action Item 3) l The following is a list of components which we have included in our review of this Bulletin.

Components which have experienced leakage are indicated on this list.

Details for the occurrences have been noted.

,r Leakage j

Component Experienced Details (Reactor Coolant System)

Pressurizer Manway 1976 Casket leakage - replaced gasket A S/G Manways (2) 1976 Manway leakage - replaced gasket j

1977 Manway leakage - replaced gasket 1978 Damaged bolts changed out during ISI B S/G Manways (2)

C S/G Manways (2)

MOV-RC-585 MOV-RC-586 I

MOV-RC-587 I

MOV-RC-590 j

MOV-RC-591 MOV-RC-592 I

MOV-RC-593 MOV-RC-594 l

MOV-RC-595 RV-RC-551A RV-RC-551B RV-RC-551C l

A RC Pump 1982

' Removed boron build-up on flange bolt i

B RC Pump 1982 Removed boron build-up on flange bolt l

C RC Pump 1982 Removed boron build-up on flange bolt i

(Residual Heat Removal System) t MOV-RH-700 1978 Cleaned bonnet studs covered with I

boric acid - found during ISI MOV-RH-701 1978 Cleaned bonnet studs covered with boric acid - found during ISI MOV-RH-720A 1980 Body to bonnet leak (drip only) -

torqued down on bonnet nuts MOV-RH-720B 1976 Bonnet leak - torqued down on bonnet and seal welded gasket

e ATTACHMENT I Response to IE Bulletin 82-02 Page 2 Leakage Component Experienced Details (Safety Injection System)

SI-10 SI-11 SI-12 SI-15 SI-16 SI-17 SI-20 SI-21 SI-22 1981 Body to bonnet leak - all fasteners replaced - In-stalled clamp ring and injected Furmanite F77N Lot 153 material to stop leakage 1982 Removed clamp and cleaned up FURMANITE - Valve modifica-tions performed SI-23 1976 Body to bonnet leakage - seal welded 1976 Repair seal weld 1978 Seal weld leak - reweld seal weld SI-24 SI-25 1976 Body to bonnet leak - seal welded 1981 Bonnet leakage - clean boric-acid and replaced studs SI-48 SI-49 SI-50 j.

SI-51 SI-52 j

SI-53 1

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