ML062480361

Email: (PA) Email to James Davis from Duc Nguyen on 08/02/2006 at 3:50 4:43 Pm (No Subject)

ML062480361
Person / Time
Site:	Pilgrim
Issue date:	08/02/2006
From:	Dang Nguyen NRC/NRR/ADRO
To:	Jennifer Davis Office of Nuclear Reactor Regulation
References
%dam200612, TAC MD2296
Download: ML062480361 (4)

Text

James Davis - Page 1 1 From: Duc Nguyen To: James Davis Date: 08/02/2006 3:54:43 PM

Subject:

Jim:

Attached is the RAI for electrical audit report at Pilgrim.

CC: Peter Wen; Ram Subbaratnam

c:\temp\GW}O.O1 .TMP, Page 1,1 Mail Envelope Properties (44D102FA.AFF: 15: 9304)

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Creation Date 08/02/2006 3:54:34 PM From: Duc Nguyen Created By: DTN1 @nrc.gov Recipients nrc.gov OWGWPOO3.HQGWDOO1 JAD (James Davis) nrc.gov TWGWPO02.HQGWDO01 RXS2 CC (Ram Subbaratnam) nrc.gov TWGWPO04.HQGWDO01 PXW CC (Peter Wen)

Post Office Route OWGWPOO3.HQGWDOO1 nrc.gov TWGWPO02.HQGWDO01 nrc.gov TWGWPO04.HQGWDO01 nrc.gov Files Size Date & Time MESSAGE 371 08/02/2006 3:54:34 PM Pilgrim Request for Additional Information LRA Section 3.6.wpd 3918 08/02/2006 3:52:06 PM Options Expiration Date: None Priority: Standard ReplyRequested: No Return Notification:

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- Pilgrim Request James Davis - Pilgrim Additional Information for Additional Request for Section 3.6.wpd LRA Section Information LRA 3.6-wpd 1Pag

!1 Request for Additional Information Pilgrim Nuclear Power Station License Renewal Applicant Section 3.6 Electrical And Instrumentation and Controls RAI 3.6.2.2-N-01 In LRA, Table 3.6.2-1, under Cable connections (metallic parts), you have stated that no aging effects requiring management and no AMP is required. Further, in LRA, Table 3.6.1 under discussion of cable connection metallic parts, you have stated that cable connections outside of active devices are taped or sleeved for protection and operating experience with metallic parts of electrical cable connections at PNPS indicated no aging effects requiring management.

Electrical cable connections (metallic parts) are subject to the following aging stressors: thermal cycling, ohmic heating, electrical transients, vibration, chemical contamination, corrosion, and oxidation. NUREG-1801, Revision 1, AMP XI.E6, "Electrical Cable Connection not Subject to 10 CFR 50.49 Environmental Qualification Requirements," specifies that connections associated with cables within the scope of license renewal are part of this program, regardless of their association with active or passive components. Provide a basis document including an AMP with the ten elements for cable connections or provide a justification for why an AMP is not necessary.