ML20108D211

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Responds to Request for Addl Info Re Draft SER Open Item 46 Re Conformance to Reg Guide 1.133,Paragraph C.4.K Concerning Loose Parts Monitoring Sys.Sys Generically Seismically Qualified by B&W.Item Closed
ML20108D211
Person / Time
Site: Beaver Valley
Issue date: 03/04/1985
From: Woolever E
DUQUESNE LIGHT CO.
To: Knighton G
Office of Nuclear Reactor Regulation
References
RTR-REGGD-01.133, RTR-REGGD-1.133 2NRC-5-037, 2NRC-5-37, NUDOCS 8503080288
Download: ML20108D211 (1)


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3l'.5%?; fat.m Taa"E EE Pittsburgh, PA 15205 March 4, 1985 United States Nuclear Regulatory Connission Washington, DC 20555 ATTENTION: Mr. George W. Knighton, Chief Licensing Branch 3 Office of Nuclear Reactor Regulation

SUBJECT:

Beaver Valley Power Station - Unit No. 2 Docket No. 50-412 Additional Infomation on Draft SER Open Item 46 (Loose Parts Monitoring System [LPMS])

REFERENCE:

2NRC-4-167, dated October 12, 1984 Gentlemen:

Duquesne Light Company (DLC) responded to Open Item 46 in letter 2NRC-4-167 of October 12, 1984.

Subsequent discussion with the NRC reviewer in early January 1985 needed on confomance to Regulatory Guide (R.G.) 1.pt that additional 133 paragraph C.4.k.

The following indicated that this response was acceptable exce infomation was additional infomation on this subject is provided.

R.G.1.133 paragraph C.4.k states that "The applicant should verify that the system within containment will be designed and installed to function following all seismic events up to and including the OBE."

DLC has taken exception to this as stated in FSAR Tabl e 1.8 where this system is affirmed to be non-seismically qual i fied.

DLC is confident that the equipment will remain opera-Despite this, however, LPMS, The itsel f was purchased as a non-seismic system; tional through an OBE.

the system was purchased from Bab, cock and Wilcox (B&W) and was generically however,lly qualified by B&W to seismic loads greater than those at the Beaver Valley seismica site.

The installation of all containment LPMS components is perfomed according to B&W drawings.

DLC understands that Open Item 46 will be closed by virtue of this submittal.

DUQUESNE LI COMPANY By T @. WooltWer Vice President KAT/wjs r

cc: Mr. B. K. Singh Project Manager L

Mr. G. Walton, MC Resident Inspector 4

f t'b 8503000288 850304 PDR ADOCK 05000412 E

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