ML20032C601
| ML20032C601 | |
| Person / Time | |
|---|---|
| Site: | Beaver Valley |
| Issue date: | 10/30/1981 |
| From: | Williams H DUQUESNE LIGHT CO. |
| To: | Haynes R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| BVPS:HPW:424, RO-81-91-01P, RO-81-91-1P, NUDOCS 8111100634 | |
| Download: ML20032C601 (2) | |
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DUQUESNE LIGilT COMPANY
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Beaver Valley Power Station "2 ' S Post Office Box 4 Shippingport, PA 15077 October 30, 1981 BVPS :llPW:424
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Beaver Valley Power Station, Unit No. 1 O',
Docket No. 50-334, License No. DPR-66 LEE _8_1-91/01P
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s ISg7 Mr. R. C. Ilaynes, Director United States Nuclear Regulatory Commission
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Region 1 631 Park Avenue N,
King of Prussia, Pennsylvania 19406
Dear Mr. Ilaynes:
In accordance with Appendix A, Beaver Valley Technical Specification 6.9.2, Special Reports, Licensee Event Report 81-91/01P is submitted. This occurrence was reported to Mr. D. A. Beckman, the BVPS NRC Resident Inspector at 1400 hours0.0162 days <br />0.389 hours <br />0.00231 weeks <br />5.327e-4 months <br /> on October 29, 1981.
On October 29, 1981, at approximately 1320 hours0.0153 days <br />0.367 hours <br />0.00218 weeks <br />5.0226e-4 months <br />, operations personnel were dispatched to the intake structure and the north yard in response to l
control room alarms indicating the " auto start" of fire system pumps, [FP-P-1]
and [FP-P-2].
At 1330 hours0.0154 days <br />0.369 hours <br />0.0022 weeks <br />5.06065e-4 months <br />, operators walking down the fire system piping discovered a break in the fire main, buried in the north yard. At 1335 hours0.0155 days <br />0.371 hours <br />0.00221 weeks <br />5.079675e-4 months <br /> both fire pumps were atopped, and steps were begun to locate and isolate I
the ruptured line. At 1410 hours0.0163 days <br />0.392 hours <br />0.00233 weeks <br />5.36505e-4 months <br />, fire watches were established for the Intake Structure, Fuel and Auxiliary Buildings for the duration of the fire main outage. At 1435 hours0.0166 days <br />0.399 hours <br />0.00237 weeks <br />5.460175e-4 months <br /> the ruptured section of pipe located between valves [FP-5] and [FP-11] was isolated, and both pumps were cross-tied through a parallel header to return the system to service.
The cause of the line failure is currently under investigation.
Additional information and corrective actions will be included in the l
l fourteen day follow-up report.
l Very truly yours, 1 (
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Superintendent 8111100634 811030 PDR ADOCK 05000334 jfi lK S
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Mr. R. C. Haynes October 30, 1981 BVPS:HPW:424 Page 2 cc: Director.0f Management & Program Analysis United States Nuclear. Regulatory Commissigntj Washington, D. C.
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.ggg J. Hultz, Ohio Edison 1
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Director, Office of Inspection'and Enforcement Headquarters United States Nuclear Regulatory Commission Washington, D. C. 20555 9
D. A. Changey, BVPS Licensing Project Manager United States Nuclear Regulatory Commission Washington, D. C. 20555 D. A. Beckman, Nuclear Regulatory Commission, BVPS Site Inspector Mr. Alex Timme, CAPCO Nuc1 car Projects Coordinator, Toledo Edison Nuclear Safety Analysis Center, Palo Alto, Californit G. E. Muckle, Factory Mutual Engineering, Pittsburgh Arther Alford, Stone & Webster / Boston Mr. John Alford, PA Public Utilities Commission, Harrisburg, PA i
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