ML19338C672

Forwards LERs 80-055/01P-0,80-056/01P-0,80-053/01P-0 & 80-054/01P-0

ML19338C672
Person / Time
Site:	Beaver Valley
Issue date:	08/12/1980
From:	Werling J DUQUESNE LIGHT CO.
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19338C673	List: 05000334/LER-1980-053-01, /01P-0:on 800811,significant Overstress Condition on Charging Lines Found Possible During Seismic Event.Caused by Inadequately Sized U Bolts.Bolts Will Be Replaced with 3-inch Pipe Clamp.Support Will Be Modified 05000334/LER-1980-054-01, /01P-0:on 800811,significant Overstress Condition Found Possible on Safety Injection Line from High Head Safety Injection Pumps to Reactor Coolant Sys Hot Legs, During Seismic Event.Caused by Inadequate Weld 05000334/LER-1980-055-01, /01P-0:on 800811,all Three Reactor Coolant Loop RTD Manifolds Determined to Be Overstressed During Seismic Event at Respective 2-inch to 3-inch Reducers.Cause Unknown. Each Line Will Be Reinforced by Anchors 05000334/LER-1980-056-01, /01P-0:on 800811,discovered That Significant Overstress Condition on High Head Safety Injection Lines to Respective Hot Lines Could Occur During Seismic Event.Caused by Inadequately Sized U Bolts & Undersized Weld Supports ML19338C672
References
BVPS:JAW:932, NUDOCS 8008180399
Download: ML19338C672 (2)

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DUQUESNE 1.1C!tT COMPANY i

Beaver Valley Power Statiot Post Office Box 4 Shippingport, PA 15077 August 12, 1980 BVPS: JAW:932

, Beaver Valley Power Station, Unic No. I Docket No. 50-334. License No. DPR-66 Ltas 80-053/01P. 80-054/01P. 80-055/01P. 80-056/01F Mr. 3. R. Crier Director of Reguletion United States. Nuclear Regulatory Commission Region 1 631 Park. Avenue King of Prussia, Pennsylvania 19406 Dear Mr. Crier In accordance with Appendix A Beaver Valley Technical Specifications, the following Licensee Event Reports are submitted:

LERs 50-053/01P, 80-054/01P, 80-055/01P and 80-056/01P, all Technical Specificttice 6.9.1.8, Administrative Controls.

These occurrences were repotted to Mr. D. A, Beckman and Mr. J. Hegner, the Beaver Valley Resident Inspectorm, at 1200 hours0.0139 days <br />0.333 hours <br />0.00198 weeks <br />4.566e-4 months <br /> on August 11, 1980.

Evaluation and resnalyses required by 1E Bulletin 79-14 have shown that the following piping and supports have less conserystism than assumed i

for the safety analysis and, therefore, require remedial action.

This report is written to serve as both the immediate report and the fourteen (1&) day followup.

It is felt that the information ava'lable at this t.ine will fulfill all the requirements of both reports.

Very truly yours, hk:__,

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• Hr. 3. H. Criar August 12, 1980 BVPS: JAW:932 Page 2 Director Of Management & Program Analysis ccz United States Nucicar Regulatory Commission Washington, D. C.

20555 W. J. Ross, WPS Licensing Project Manager United States Muelear Regulatory Commission Washington, D. C.

20555 D. A. Dechman, Nuclear Regulatory Commission BVPS Site Inspector P. Riggins, Secretary, Prime Nevers Committee - EEI a

Buclear Safety Analysis Center, Palo Alto, California Mr. John Alford, PA Public Utilities Commissien, Harrisburg, PA e

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